Mitsubishi Heavy Industries V Multi FDC71VNX Technical Manual
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Mitsubishi Heavy Industries V Multi FDC71VNX Technical Manual

Inverter packaged air conditioner
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Table of Contents

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TECHNICAL MANUAL
INVERTER PACKAGED AIR-CONDITIONERS
(Split system, air to air heat pump type)
HYPER INVERTER
CEILING CASSETTE - 4WAY TYPE
Single type
FDT40ZSXVH
50ZSXVH
60ZSXVH
V Multi system
(OUTDOOR UNIT) (INDOOR UNIT)
FDC71VNX
100VNX
100VSX
125VNX
125VSX
140VNX
140VSX
Twin type
FDT71VNXPVH
100VNXPVH
100VSXPVH
125VNXPVH
125VSXPVH
Triple Type
FDT140VNXTVH
140VSXTVH
FDT40VH
50VH
60VH
Manual No.'19 • PAC-T-327
MICRO INVERTER
CEILING CASSETTE - 4WAY TYPE
Twin type
FDT100VNAPVH
100VSAPVH
125VNAPVH
125VSAPVH
V Multi system
(OUTDOOR UNIT) (INDOOR UNIT)
FDC100VNA
100VSA
125VNA
125VSA
140VNA
140VSA
200VSA
250VSA
Triple type
FDT140VNATVH
140VSATVH
Double twin type
FDT200VSADVH
250VSADVH
FDT50VH
60VH

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Summary of Contents for Mitsubishi Heavy Industries V Multi FDC71VNX

  • Page 1 Manual No.'19 • PAC-T-327 TECHNICAL MANUAL INVERTER PACKAGED AIR-CONDITIONERS (Split system, air to air heat pump type) HYPER INVERTER MICRO INVERTER CEILING CASSETTE - 4WAY TYPE CEILING CASSETTE - 4WAY TYPE Single type Twin type Twin type Triple type FDT40ZSXVH FDT71VNXPVH FDT100VNAPVH FDT140VNATVH...
  • Page 2 '19 • PAC-T-327 TABLE OF CONTENTS 1. HYPER INVERTER PACKAGED AIR-CONDITIONERS ........... 2 2. MICRO INVERTER PACKAGED AIR-CONDITIONERS ...........268 3. V MULTI SYSTEM .....................360 4. OPTION PARTS ......................394...
  • Page 3 '19 • PAC-T-327 1. HYPER INVERTER PACKAGED AIR-CONDITIONERS CONTENTS 1.1 SPECIFICATIONS ..................1.2 EXTERIOR DIMENSIONS ................15 (1) Indoor units ....................15 (2) Outdoor units .................... 16 (3) Remote control (Option parts) ..............19 1.3 ELECTRICA L WIRING ................22 (1) Indoor units ....................
  • Page 4 '19 • PAC-T-327 (10) Compressor inching prevention control ...........105 (11) Drain pump control ..................106 (12) Drain pump motor (DM) control ...............106 (13) Operation check/drain pump test run operation mode ......106 (14) Cooling, dehumidifying frost protection ...........107 (15) Heating overload protection ..............107 (16) Anomalous fan motor ................107 (17) Plural unit control - Control of 16 units group by one remote control ....108 (18) High ceiling control ..................108...
  • Page 5 '19 • PAC-T-327 (14) Outdoor fan motor protection ..............121 (15) Outdoor fan control at low outdoor temperature ........121 (16) Refrigeration cycle system protection .............122 (Ⅱ) Models FDC71-140 .................123 (1) Determination of comressor speed (Frequency) ........123 (2) Compressor start control .................123 (3) Compressor soft start control ..............124 (4) Outdoor fan control ..................125 (5) Defrost operation ..................127...
  • Page 6 '19 • PAC-T-327 1.1 SPECIFICATIONS (1) Single type Model FDT40ZSXVH Item Indoor unit FDT40VH Outdoor unit SRC40ZSX-S Power source 1 Phase, 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 4.0 [1.1(Min.) - 4.7(Max.)] Nominal heating capacity (range) 4.5 [0.6(Min.) - 5.4(Max.)] Cooling 0.93 Power consumption...
  • Page 7 '19 • PAC-T-327 Model FDT50ZSXVH Item Indoor unit FDT50VH Outdoor unit SRC50ZSX-S Power source 1 Phase, 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 5.0 [ 1.1(Min.) - 5.6(Max.)] Nominal heating capacity (range) 5.4 [ 0.6(Min.) - 6.3(Max.)] Cooling 1.29 Power consumption Heating...
  • Page 8 '19 • PAC-T-327 Model FDT60ZSXVH Item Indoor unit FDT60VH Outdoor unit SRC60ZSX-S Power source 1 Phase, 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 5.6 [ 1.1(Min.) - 6.3(Max.)] Nominal heating capacity (range) 6.7 [ 0.6(Min.) - 7.1(Max.)] Cooling 1.52 Power consumption Heating...
  • Page 9 '19 • PAC-T-327 (2) Twin type Model FDT71VNXPVH Item Indoor unit FDT40VH (2 units) Outdoor unit FDC71VNX Power source 1 Phase, 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 7.1 [ 3.2(Min.) - 8.0(Max.)] Nominal heating capacity (range) 8.0 [ 3.6(Min.) - 9.0(Max.)] Cooling 1.85 Power consumption...
  • Page 10 '19 • PAC-T-327 Model FDT100VNXPVH Item Indoor unit FDT50VH (2 units) Outdoor unit FDC100VNX Power source 1 Phase,220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 10.0 [ 4.0(Min.) - 11.2(Max.)] Nominal heating capacity (range) 11.2 [ 4.0(Min.) - 12.5(Max.)] Cooling 2.56 Power consumption...
  • Page 11 '19 • PAC-T-327 FDT100VSXPVH Model Item Indoor unit FDT50VH (2 units) Outdoor unit FDC100VSX Power source 3 Phase, 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 10.0 [ 4.0(Min.) - 11.2(Max.)] Nominal heating capacity (range) 11.2 [ 4.0(Min.) - 16.0(Max.)] Cooling 2.56 Power consumption...
  • Page 12 '19 • PAC-T-327 FDT125VNXPVH Model Item Indoor unit FDT60VH (2 units) Outdoor unit FDC125VNX Power source 1 Phase, 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 12.5 [ 5.0(Min.) - 14.0(Max.)] Nominal heating capacity (range) 14.0 [ 4.0(Min.) - 17.0(Max.)] Cooling 3.26 Power consumption...
  • Page 13 '19 • PAC-T-327 Model FDT125VSXPVH Item Indoor unit FDT60VH (2 units) Outdoor unit FDC125VSX Power source 3 Phase, 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 12.5 [ 5.0(Min.) - 14.0(Max.)] Nominal heating capacity (range) 14.0 [ 4.0(Min.) - 18.0(Max.)] Cooling 3.26 Power consumption...
  • Page 14 '19 • PAC-T-327 (3) Triple type FDT140VNXTVH Model Item Indoor unit FDT50VH (3 units) Outdoor unit FDC140VNX Power source 1 Phase,220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 14.0 [ 5.0(Min.) - 16.0(Max.)] Nominal heating capacity (range) 16.0 [ 4.0(Min.) - 18.0(Max.)] Cooling 3.93 Power consumption...
  • Page 15 '19 • PAC-T-327 FDT140VSXTVH Model Item Indoor unit FDT50VH (3 units) Outdoor unit FDC140VSX Power source 3 Phase, 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 14.0 [ 5.0(Min.) - 16.0(Max.)] Nominal heating capacity (range) 16.0 [ 4.0(Min.) - 20.0(Max.)] Cooling 3.93 Power consumption...
  • Page 16 '19 • PAC-T-327 1.2 EXTERIOR DIMENSIONS (1) Indoor units Models FDT40VH, 50VH, 60VH PJF000Z552...
  • Page 17 '19 • PAC-T-327 (2) Outdoor units Models SRC40ZSX-S, 50ZSX-S, 60ZSX-S RCT000Z020...
  • Page 18 '19 • PAC-T-327 Model FDC71VNX PCA001Z603...
  • Page 19 '19 • PAC-T-327 Models FDC100VNX, 125VNX, 140VNX 100VSX, 125VSX, 140VSX PCA001Z569...
  • Page 20 '19 • PAC-T-327 (2) Remote control (Option parts) (a) Wired remote control Model RC-EX3A Installation space Dimensions (Viewed from front) 30mm 30mm Wiring 配線 30mm 30mm 30mm 30mm 固定穴 Fixing holes R/C temperature sensor Secure minimum spaces for disassembling the case. Upper left and Upper right sides ……30mm or more Bottom side…120mm or more...
  • Page 21 '19 • PAC-T-327 Model RC-E5 Wiring outlet Cut off the upper thin part of remote control lower case with a nipper or knife, Exposed mounting and grind burrs with a file etc. In case of pulling out In case of pulling out from upper left from center 0.3mm...
  • Page 22 '19 • PAC-T-327 (b) Wireless remote control (RCN-E2) Unit: mm...
  • Page 23 '19 • PAC-T-327 1.3 ELECTRICAL WIRING (1) Indoor units Models FDT 40VH, 50VH, 60VH PJF000Z554...
  • Page 24 '19 • PAC-T-327 (2) Outdoor units Models SRC40ZSX-S, 50ZSX-S, 60ZSX-S RWC000Z298...
  • Page 25 '19 • PAC-T-327 Model FDC71VNX PCA001Z605...
  • Page 26 '19 • PAC-T-327 Models FDC100VNX, 125VNX, 140VNX PCA001Z570...
  • Page 27 '19 • PAC-T-327 Models FDC100VSX, 125VSX, 140VSX PCA001Z571...
  • Page 28 '19 • PAC-T-327 1.4 NOISE LEVEL Notes(1) The data are based on the following conditions. Ambient air temperature: Indoor unit 27℃WB. Outdoor unit 35℃DB. (2) The data in the chart are measured in an anechoic room. (3) The noise levels measured in the field are usually higher than the data because of reflection. 1.5m Measured based on JIS B 8616 Mike position...
  • Page 29 OISE LEVEL OISE LEVEL 1.4 NOISE LEVEL 1.4 NOISE LEVEL 1.4 NOISE LEVEL 1.4 NOISE LEVEL The data are based on the following conditions. The data are based on the following conditions. Notes(1) The data are based on the following conditions. Notes(1) The data are based on the following conditions.
  • Page 30 '19 • PAC-T-327 Model FDC71VNX Model FDC71VNX Model FDC71VNX Model FDC71VNX Model FDC71VNX Cooling noise level 51 dB (A) Cooling noise level 51 dB (A) Cooling noise level 51 dB (A) Heating noise level 48 dB (A) Heating noise level 48 dB (A) Cooling noise level 51 dB (A) Heating noise level 48 dB (A) Heating noise level 48 dB (A)
  • Page 31 '19 • PAC-T-327 1.5 TEMPERATURE AND VELOCITY DISTRIBUTION Indoor temperature Cooling 27° CDB / 19° CWB Heating 20° CDB Note: These figures represent the typical main range of temperature and velocity distribution at the center of air outlet within the published conditions. In the actual installation, they may differ from the typical figures under the influence of air temperature conditions, ceiling height, operation conditions and obstacles.
  • Page 32 '19 • PAC-T-327 Model FDT60VH Cooling Air flow: P-Hi Temperature distribution (℃) Louver position 20° Velocity distribution (m/sec) Heating Air flow: P-Hi Temperature distribution Louver position (℃) 60° Velocity distribution (m/sec)
  • Page 33 '19 • PAC-T-327 1.6 PIPING SYSTEM (1) Single type (1) Single type Models 40, 50, 60 Models FDT40, 50, 60 Indoor unit Outdoor unit Cooling cycle Heating cycle Outdoor air Service valve temperature sensor (Flare connecting) (TH2) Gas line (φ12.7) Discharge pipe temp.
  • Page 34 Receiver '19 • PAC-T-327 (3) Triple type Model FDTC140 (3) Triple type Model 140 Gas branch pipe Outdoor unit (φ12.7) Cooling cycle Heating cycle Indoor unit Indoor unit Indoor unit Check joint Temperature sensor (Tho-A) Gas line Muffler (φ15.88) Flare connecting Service valve (Flare connecting) Temperature sensor...
  • Page 35 '19 • PAC-T-327 1.7 RANGE OF USAGE & LIMITATIONS See the next page. Operating temperature range When snow accumulate, install a snow hood. <SRC40-60> When used below -5˚C, install a snow hood. <FDC71-140> Considering to get sufficient heating capacity, the area where the averaged lowest ambient Recommendable area to install air temperature in day time during winter is above 0˚C, and it has no accumulation of snow.
  • Page 36 '19 • PAC-T-327 Operating temperature range ■ Cooling SRC40-60 46℃DB 43℃DB 43℃DB Usage range in cooling FDC71-140 -15℃DB Indoor air temperature (℃WB) ■ Heating Usage range in heating Outdoor air temperature (℃WB) Decline in cooling and heating capacity or operation stop may occur when the outdoor unit is installed in places where natural wind can increase or decrease its design air flow rate.
  • Page 37 '19 • PAC-T-327...
  • Page 38 '19 • PAC-T-327...
  • Page 39 '19 • PAC-T-327 1.8 SELECTION CHART Correct the cooling and heating capacity in accordance with the operating conditions. The net cooling and heating capacity can be Correct the cooling and heating capacity in accordance with the operating conditions. The net cooling and heating capacity can be obtained in the following way.
  • Page 40 '19 • PAC-T-327 Model Model Model FDT60ZSXVH FDTC60ZSXVG FDTC60ZSXVG Indoor unit Indoor unit Indoor unit FDT60VH FDTC60VG FDTC60VG Outdoor unit Outdoor unit Outdoor unit SRC60ZSX-S SRC60ZSX-S SRC60ZSX-S Cooling mode Cooling mode Cooling mode Heating mode : HC Heating mode : HC Heating mode : HC (kW) (kW)
  • Page 41 '19 • PAC-T-327 Model FDT100VNXPVH Indoor unit FDT50VH (2 uints) Outdoor unit FDC100VNX Cooling mode Heating mode : HC (kW) (kW) Indoor air temperature Indoor air temperature Outdoor Outdoor air temp. 18 ℃DB 21 ℃DB 23 ℃DB 26 ℃DB 27 ℃DB 28 ℃DB 31 ℃DB 33 ℃DB...
  • Page 42 '19 • PAC-T-327 Model FDT125VNXPVH Indoor unit FDT60VH (2 uints) Outdoor unit FDC125VNX Cooling mode Heating mode : HC (kW) (kW) Indoor air temperature Indoor air temperature Outdoor Outdoor air temp. 18 ℃DB 21 ℃DB 23 ℃DB 26 ℃DB 27 ℃DB 28 ℃DB 31 ℃DB 33 ℃DB...
  • Page 43 '19 • PAC-T-327 (3) Triple type Model FDT140VNXTVH Indoor unit FDT50VH (3 uints) Outdoor unit FDC140VNX Cooling mode Heating mode : HC (kW) (kW) Indoor air temperature Indoor air temperature Outdoor Outdoor air temp. 18 ℃DB 21 ℃DB 23 ℃DB 26 ℃DB 27 ℃DB 28 ℃DB...
  • Page 44 '19 • PAC-T-327 [References data] [References data] [References data] 　Capacity variation against outdoor and indoor temperature at the maximum compressor speed capacity compensation 　Capacity variation against outdoor and indoor temperature at the maximum compressor speed capacity compensation 　Capacity variation against outdoor and indoor temperature at the maximum compressor speed capacity compensation coefficient shows the ratio to nominal capacity.
  • Page 45 '19 • PAC-T-327 Model FDC71VNX ① Cooling Indoor air temperature 24℃WB Indoor air temperature 19℃WB Indoor air temperature 15℃WB Indoor air temperature 12℃WB Indoor air temperature 17℃WB Outdoor air temperature (℃DB) ② Heating Outdoor air temperature 18℃WB Outdoor air temperature 10℃WB Outdoor air Outdoor air temperature 7℃WB...
  • Page 46 '19 • PAC-T-327 Models FDC100, 125, 140VNX, 100, 125, 140VSX ① Cooling Indoor air temperature 24℃WB Indoor air temperature 19℃WB Indoor air temperature 15℃WB Indoor air temperature 12℃WB Indoor air temperature 17℃WB Outdoor air temperature (℃DB) ② Heating Outdoor air temperature 10℃WB Outdoor air temperature 18℃WB...
  • Page 47 '10 • PAC-DB-136 '19 • PAC-T-327 1.8.2 Correction of cooling and heating capacity in relation to air flow rate control (Fan speed) Fan speed P-Hi or Hi 1.00 0.97 0.95 Coefficient 1.8.3 Correction of cooling and heating capacity in relation to one way length of refrigerant piping It is necessary to correct the cooling and heating capacity in relation to the one way equivalent piping length between the indoor and outdoor units.
  • Page 48 '10 • PAC-DB-136 '19 • PAC-T-327 Piping length limitations Model SRC40, 50, 60 FDC71 FDC100, 125, 140 Item Max. one way piping length 100m Outdoor unit is higher 20m Outdoor unit is higher 30m Max. vertical height difference Outdoor unit is lower 20m Outdoor unit is lower 15m Note (1) Values in the table indicate the one way piping length between the indoor and outdoor units.
  • Page 49 '19 • PAC-T-327 1.9 APPLICATION DATA 1.9.1 Installation of indoor unit PJF012D051 ①B This manual is for the installation of the indoor unit. ●Ins For electrical wiring work (Indoor unit), refer to page 54. For remote control installation, refer to page CAUTION ●Co 58.
  • Page 50 '19 • PAC-T-327 2D051 ①Before installation ③Preparation before installation ●Install correctly according to the installation manual. ●If suspension bolt becomes longer, do reinforcement of earthquake resistant. When moving the indoor unit, hold only ●Confirm the following points: 　○For grid ceiling the hanging hardware (4 places) only, 　○Unit type/Power source specification with care not to apply forces to any other...
  • Page 51 '19 • PAC-T-327 ⑤Refrigerant pipe (continued) ④Installation of indoor unit (continued) ⑥D ● Protection of the indoor unit Caution: Refrigerating machine oil should not be applied to the threads of union or external surface of flare. It ● If it is not possible to install the panel for a while or if attaching the ceiling board after is because, even if the same tightening torque is applied, the oil is likely to decrease the slide friction installing the indoor unit, protect the indoor unit by using upper carton.
  • Page 52 '19 • PAC-T-327 ⑥Drain pipe (continued) ⑦Wiring-out position and wiring connection (continued) As wide as possible Wiring between indoor Indoor power ●When sharing a drain pipe for more than 1 Single Split (PAC) series VRF (KX) series (about100mm) and outdoor units source line Band Band...
  • Page 53 '19 • PAC-T-327 PJF012D037 • Panel installation Read this manual together with the indoor unit’s installation manual. ⑤ Orientation of the panel installation ⑦ Ele Take note that there is an orientation to install the panel. The wiring WARNING Install the panel with the orientation shown on the right. The connec •...
  • Page 54 '19 • PAC-T-327 ⑦ Electrical wiring ⑨ Installing the inlet grille To attach the inlet grille, follow the procedure described in ③ Removing the inlet grille in the reverse order. The wiring work varies depending on the panel type. Select the wiring work appropriate for the panel type. The connection positions of the indoor unit are as shown below irrespective of the panel type.
  • Page 55 '19 • PAC-T-327 1.9.2 Electric wiring work installation PSC012D049 PSC012D117 201609 ② Re Electrical wiring work must be performed by an electrician qualified by a local power provider according to ● Electrical wiring connection the electrical installation technical standards and interior wiring regulations applicable to the installation site. ①...
  • Page 56 '19 • PAC-T-327 C012D049 D117 201609 AIR CON NO ② Remote control, wiring and functions ③ Operation and confirmation from remote control ● Do not install it on the following places Operation from the eco touch remote Operation from the standard remote AIR CON NO Item control (RC-EX series)
  • Page 57 '19 • PAC-T-327 ⑤ Operation and setting from remote control ⑤ O A : Refer to the instruction manual for RC-EX series ○：Nearly same function setting and operations are possible. *1: Remote controls before RC-EX1A don't have this function. B : Refer to the installation manual for RC-EX series △：Similar function setting and opperations are possible.
  • Page 58 '19 • PAC-T-327 ⑤ Operation and setting from remote control (continued) Setting ＆ display item Description RC-EX3A RC-E5 2 Administrator settings Temp increment setting The temp increment setting can be changed by 0.5˚C or 1.0˚C. Set temp display Ways of displaying setting temperatures can be selected. C-E5 [Administrator password] R/C display setting...
  • Page 59 '19 • PAC-T-327 1.9.3 Installation of wired remote control (Option parts) (1) Model RC-EX3A 　 1 ）Safety precautions ●Please read this manual carefully before starting installation work to install the unit properly. Every one of the followings is important information to be observed strictly. Failure to follow these instructions properly may result in serious WARNING consequences such as death, severe injury, etc.
  • Page 60 '19 • PAC-T-327 　 WARNING Do not install the unit in appropriate environment or where inflammable gas could generate, flow in, accumulate or leak. t f I s i t c a l s n i l i o , t s i v l o , r o corrosive gas (ammonium, sulfuric compound, acid, etc) or where acidic or alkaline...
  • Page 61 '19 • PAC-T-327 　 CAUTION Do not install the remote control at following places. i t a r t n . l o ・Where it is exposed to direct sunlight ・Where the ambient temperature becomes 0 ° C or below, or 40 ° C or above ・...
  • Page 62 '19 • PAC-T-327 2 ）Accessories & Prepare on site 　 Following parts are provided. Accessories R/C main unit, wood screw (ø3.5 x 16) 2 pcs, Quick reference Following parts are arranged at site. Prepare them according to the respective installation procedures. When the cable length is longer than 100 m, Item name Q’ty...
  • Page 63 '19 • PAC-T-327 　 4）Installation procedure Perform installation and wiring work for the remote control according to the PCB side (Viewed from rear) following procedure. Dimensions (Viewed from front) 固定穴 Fixing holes センサー 端子 Sensor USB port Terminal block To disassemble the R/C case into the upper and lower pieces after assembling them once ess at the lower part of R/C and twist it lightly to remove.
  • Page 64 ブッ シング パテで シール する こ と '19 • PAC-T-327 　 リ モコ ン配線 ③ Connect wires from X and Y terminals of R/C to X and Y terminals of indoor unit. R/C wires (X, Y) have no polarity. Fix wires such that the wires will run around the terminal screws on the top case of R/C.
  • Page 65 '19 • PAC-T-327 　 5） Main/Sub setting when more than one remote control are used ○ : operable ×: not operable Up to two units of R/C can be used R/C operations Main Sub R/C operations Main Sub ○ Service Installation Installation date ×...
  • Page 66 '19 • PAC-T-327 PJA012D730 (2) Model RC-E5 Installation manual for wired remote controller Connect the remote con terminal block. Connect the terminal of r Read together with indoor unit's installation manual. with the terminal of indoo (X and Y are no polarity) WARNING Wiring route is as shown Fasten the wiring to the terminal securely and hold the cable securely so as not to apply unexpected stress on the...
  • Page 67 '19 • PAC-T-327 ote controller Connect the remote control cord to the Sheath Sheath The range of temperature settin terminal block. When shipped, the range of set te Connect the terminal of remote control (X,Y) Upper case Upper case Board Board Heating : 16 ~ 30˚C (55 ~ 86˚F with the terminal of indoor unit (X,Y).
  • Page 68 '19 • PAC-T-327 PJA012D730 Sheath The range of temperature setting When shipped, the range of set temperature differs depending on the operation mode as below. Upper case Board Heating : 16-30˚C (55-86˚F) Except heating (cooling, fan, dry, automatic) : 18-30˚C (62-86˚F) Upper limit and lower limit of set temperature can be changed with remote control.
  • Page 69 '19 • PAC-T-327 The functional setting The initial function setting for typical using is performed automatically by the indoor unit connected, when remote Note 1: The initial setting marked “ ” is decided by connected indoor and outdoor unit, and is automatically defined as following table. control and indoor unit are connected.
  • Page 70 PJA012D73 '19 • PAC-T-327 PJA012D730 ned as following table. omatically defined as following table. Operation message How to set function Operation message How to set function Function description: ndoor unit. Function description: Function No. Stop air-conditioner and press (SET) (MODE) setting description: Function No.
  • Page 71 '19 • PAC-T-327 RWC012A060 1.9.4 Installation of outdoor unit Model SRC20,25,35,40,50,60ZSX-S (1) Models SRC40-60ZSX-S SRC20,25,35ZSX-SA R410A REFRIGERANT USED • This installation manual deals with an outdoor unit installation only. For an indoor unit installation, refer to page 48. SAFETY PRECAUTIONS •...
  • Page 72 '19 • PAC-T-327 2. OUTDOOR UNIT INSTALLATION 1. Haulage 3. Installation space • Always carry or move the unit with two or more persons. • There must be 1 meter or larger space between the unit and the wall in at least 1 of the 4 sides. •...
  • Page 73 '19 • PAC-T-327 4. CONNECTING PIPING WORK 1. Restrictions on unit installation 4. Evacuation Abide by the following restrictions on unit installation. (1) Connect vacuum pump to gauge manifold. Connect charge hose of gauge manifold to service port of outdoor unit. Improper installation can cause compressor failure or performance degradation.
  • Page 74 '19 • PAC-T-327 6. PUMP DOWN (1) Connect charge hose of gauge manifold to service port of outdoor unit. Gauge manifold (2) Close the liquid service valve with hexagonal wrench key. (3) Fully open the gas service valve with hexagonal wrench key. (4) Carry out forced cooling operation (For forced cooling operation procedure, refer to indoor unit installation manual).
  • Page 75 '19 • PAC-T-327 (2) Model FDC71VNX 　...
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  • Page 91 '19 • PAC-T-327 2-1　D INSTRUCTIONS FOR BRANCHING PIPE SET INSTALLATION FOR TWIN/TRIPLE/ W-TWIN CONFIGURATION SYSTEMS Supp 1.9.5 Instructions for branching pipe set (DIS-WA1, WB1, TA1, TB1) Outdoor unit For R410A PSB012D865 PSB012D865 WARNING / CAUTION ● This set is for R410A refrigerant. ●...
  • Page 92 '19 • PAC-T-327 2-1　DIS-WA1 2-2　DIS-WB1 STEMS Supported combinations Supported combinations Liquid branching pipe Gas branching pipe Liquid branching pipe Gas branching pipe Outdoor unit model Indoor unit model Outdoor unit model Indoor unit model ID15.88 ID9.52 ② 3HP＋5HP ② ID12.7 ①...
  • Page 93 '19 • PAC-T-327 2-6. Triple type for same model/different capacity or different model/different capacity Applicable to the difference in length of pipes after the branch being less than 3 m * Connection is not allowed when the difference in length of pipes is larger than 3 m. Outdoor unit model Indoor unit model Branching pipe...
  • Page 94 '16 • PAC-T-251 '19 • PAC-T-327 1.10 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 1.10 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 1.10.1 Remote control (Option parts) 1.10.1 Remote control (1) Wired remote control Wired remote control Model RC-EX3A Model RC-EX3A ⑤ LCD (With backlight) ③...
  • Page 95 '19 • PAC-T-327 Wired remote control Model RC-E5 The figure below shows the remote control with the cover opened. Note that all the items that may be displayed in the liquid crystal display area are shown in the figure for the sake of explanation Characters displayed with dots in the liquid crystal display area are abbreviated.
  • Page 96 '19 • PAC-T-327 '16 • PAC-T-251 '16 • PAC-T-251 Wireless remote control Wireless remote control (2) Wireless remote control RCN-E2 Indication section Indication section ① OPERATION MODE display Indicates selected operation mode. SET TEMP display Indicates set temperature. SLEEP TIMER time display Indicates the amount of time remaining on the sleep timer.
  • Page 97 '16 • PAC-T-251 '19 • PAC-T-327 1.10.2 Operation control function by the wired remote control 1.10.2 Operation control function by the wired remote control ●Model RC-EX3A (1) Switching sequence of the operation mode switches of remote control (a) Tap the change operation mode button on the TOP screen. (b) When the change operation mode screen is displayed, tap the button of desired mode.
  • Page 98 '19 • PAC-T-327 ●Content memorized with the power failure compensation are as follows. Note(1) Items (f) and (g) are memorized regardless whether the power failure compensation is effective or not while the setting of silent mode is cancelled regardless whether the power failure compensation is effective or not. At power failure –...
  • Page 99 '19 • PAC-T-327 ● Model RC-E5 (1)　Switching sequence of the operation mode switches of remote control COOL HEAT AUTO (2)　CPU reset This functions when “CHECK” and “ESP” buttons on the remote control are pressed simultaneously. Operation is same as that of the power source reset. (3)　Power failure compensation function (Electric power source failure) •...
  • Page 100 '19 • PAC-T-327 1.10.3 Operation control function by the indoor control (1) Auto operation (a) If “Auto” mode is selected by the remote control, the heating and the cooling are automatically switched according to the difference between outdoor air temperature and setting temperature and the difference between setting temperature and return air temperature.
  • Page 101 '19 • PAC-T-327 '16 • PAC-T-251 (ii) Regardless of the setting temperature, the cooling or heating operation mode is judged according to the "Judgment based on Room temperature/Cooling or Heating and Outdoor temperature/Cooling or Heating". 1) In case of "Room temperature/Cooling < Indoor return air temperature" and "Outdoor temperature/Cooling < Outdoor perature"...
  • Page 102 '19 • PAC-T-327 (4) Timer operation (a) RC-EX3A Sleep timer Set the time from the start to stop of operation. The time can be selected in the range from 30 to 240 minutes (in the unit of 10-minute). Note (1) Enable the “Sleep timer” setting from the remote control. If the setting is enabled, the timer operates at every time. (ii) Set OFF timer by hour Set the time to stop the unit after operation, in the range from 1 to 12 hours (in the unit of hour).
  • Page 103 '19 • PAC-T-327 (5) Hot start (Cold draft prevention at heating) (a) Operating conditions When either one of following conditions is satisfied, the hot start control is performed. (i) From stop to heating operation (ii) From cooling to heating operation (iii) Form heating thermostat OFF to ON (iv) After completing the defrost operation (only on units with thermostat ON) Contents of operation...
  • Page 104 '19 • PAC-T-327 Auto swing control Note Even if [Auto Swing] is selected, the louver position with anti draft function is fixed to position 1. (a) RC-EX3A Louver control To operate the swing louver when the air-conditioner is operating, press the “Direction” button on the TOP screen of remote control.
  • Page 105 '19 • PAC-T-327 Thermostat operation (a) Cooling (i) Thermostat is operated with the room temperature control. (ii) Thermostat is turned ON or OFF relative to the set room temperature as shown below. Thermostat ON Temperature drop Thermostat OFF Temperature rise Set room temperature (iii) Thermostat is turned ON when the room temperature is in the range of -1 <...
  • Page 106 '19 • PAC-T-327 (d) Fan control during cooling thermostat OFF (i) Following fan controls during the cooling thermostat OFF can be selected with the indoor function setting of the wired remote control. ① Low fanspeed, ② Set fan speed (Factory default), ③ Intermittence, ④ Fan OFF (ii) When the “Low fan speed”...
  • Page 107 '19 • PAC-T-327 (11) Drain pump control This control is operated when the inverter frequency is other than 0 Hz during the cooling operation and automatic cooling and dehumidifying operations. (b) Drain pump ON condition continues for 5 minutes even when it enters the OFF range according to (i) above after turning the drain pump ON, and then stops.
  • Page 108 '19 • PAC-T-327 Operation check mode There is no communication with the outdoor unit but it allows performing operation in respective modes by operating the remote control. (d) Drain pump test run mode As the drain pump test run is established, the drain pump only operates and during the operation protective functions by the microcomputer of indoor unit become ineffective.
  • Page 109 '19 • PAC-T-327 (17) Plural unit control – Control of 16 units group by one remote control (a) Function One remote control can control a group of multiple number of unit (Max. 16 indoor units). “Operation mode” which is set by the remote control can operate or stop all units in the group one after another in the order of unit. No. Thermostat and protective function of each unit function independently.
  • Page 110 '19 • PAC-T-327 (19) Abnormal temperature sensor (return air/indoor heat exchanger) broken wire/short-circuit detection (a) Broken wire detection When the return air temperature sensor detects -55°C or lower or the heat exchanger temperature sensor detect -55°C or lower for 5 seconds continuously, the compressor stops. After a 3-minute delay, the compressor restarts but, if it is detected again within 60 minutes after the initial detection for 6 minutes continuously, stops again (the return air temperature sensor: E7, the heat exchanger temperature sensor: E6).
  • Page 111 '19 • PAC-T-327 (b) Input for external control The external input for the indoor unit can be selected from the following input. Input name Content 1 Run/Stop Refer to [(20) (c) Remote operation input] 2 Premission/Prohibition Refer to [(21) Operation permission/prohibition] 3 Cooling/Heating Refer to [(23) Selection of cooling/heating external input function] 4 Emergency stop...
  • Page 112 '19 • PAC-T-327 Individual operation (Factory default) All units operation (Local setting) Only the unit Only the unit All units in one All units in one directly connected CnT-6 or directly connected remote control remote control to the remote CnTA to the remote control system can be system can be...
  • Page 113 '19 • PAC-T-327 (a) In case of CnT ① Operation stop level > CnTA ③ Operation permission/prohibition level Operation Operation Operation Stop Stop Stop Level input Operation permission CnTA Operation prohibition Operation permission/ prohibition setting Operation Operation( ) Operation Stop Stop Stop Actual operation...
  • Page 114 '19 • PAC-T-327 (22) Temporary stop input In case of temporary stop, operation lamp of remote control lights, but indoor/outdoor unit stop the operation. (a) In case of “level input” setting (Factory default) Input signal to CnT-6 or CnTA is OFF → ON : Temporary stop Input signal to CnT-6 or CnTA is OFF →...
  • Page 115 '19 • PAC-T-327 (24) Fan control at heating startup (a) Starting conditions At the start of heating operation, if the difference of setting temperature and return air temperature is 5°C or higher after the end of hot start control, this control is performed. (b) Contents of control (i) Sampling is made at each minute and, when the indoor heat exchanger temperature (detected with Thi-R) is 37°C or higher, present number of revolutions of indoor fan speed is increased by 10min...
  • Page 116 '19 • PAC-T-327 (32) Fan circulator operation (RC-EX3A only) When the fan is used for circulation, the unit is operated as follows depending on the setting with the remote control. (a) If the invalid is selected with the remote control, the fan is operated continuously during the fan operation. (normal fan mode) (b) If the valid is selected with the remote control, the fan is operated or stopped when on the difference of the remote control temperature sensor and the return air temperature sensor becomes bigger than 3°C.
  • Page 117 '19 • PAC-T-327 (37) Motion sensor control (RC-EX3A only) The sensor determines the presence of people and the amount of activity, and the following controls are done by the motion sensor. Following settings are necessary to activate motion sensor control. (a) Infrared (motion) sensor setting: Installation setting of remote control The indoor unit which is set to “Enable”...
  • Page 118 12-78rps 12-86rps (few minutes ON) 12-98rps 12-106rps 12-120rps 12-78rps 12-86rps 12-98rps 12-106rps 12-120rps 4-way valve (3 minutes ON) 12-42rps 12-50rps 12-66rps 12-78rps 12-90rps *It can be set the indoor fan motor off or the heating thermostat OFF with connecting a wired remote control. 12-30rps 12-30rps 12-30rps...
  • Page 119 (a) Operating conditions (a) Operating conditions When the outdoor air temperature (TH2) has become continuously for 30 seconds at 41°C or more, or When the outdoor air temperature (TH2) has become continuously for 30 seconds at 41°C or more, or 47ºC or more with the compressor running, the lower limit speed of compressor is brought up.
  • Page 120 '19 • PAC-T-327 (5) Heating high pressure control (a) Starting condition When the indoor heart exchanger temperature (Thi-R) has risen to a specified temperature while the compressor is turned on. (b) Compressor speed is controlled according to the zones of indoor heat exchanger temperature as shown by the following table.
  • Page 121 '19 • PAC-T-327 (7) Heating low outdoor air temperature protective control Operating conditions When the outdoor air temperature (TH2) is lower than 4℃ or higher continues for 30 seconds while the compressor speed is other than 0 rps. (b) Detail of operation The lower limit compressor speed is change as shown in the figure below.
  • Page 122 SRK50 24 rps 24 rps has elapsed '19 • PAC-T-327 '09•SRK-DB-087D '09•SRK-DB-087D (12) Serial signal transmission error protection (12) Serial signal transmission error protection Purpose Purpose (b) Detail of operation (b) Detail of operation (13) Rotor lock (13) Rotor lock (14) Outdoor fan motor protection (14) Outdoor fan motor protection (15) Outdoor fan control at low outdoor temperature...
  • Page 123 Outdoor fan '19 • PAC-T-327 Outdoor air temperature > 10˚C Lower limit fan speed Outdoor air temperature < = 10˚C Outdoor fan Outdoor temperature > 16˚C Outdoor temperature < = 16˚C 21°C -38°C Reset conditions Reset conditions: Heating Operating conditions (ii) Heating Operating conditions:...
  • Page 124 '19 • PAC-T-327 ( Ⅱ ) Models FDC71-140 (1) Determination of compressor speed (Frequency) Required frequency Cooling/dehumidifying operation Unit: rps Model FDC71 FDC100 FDC125 FDC140 Usual operation 95(92) 95(92) Max. required frequency Silent mode, outdoor air temperature ≦ 15°C Min. required frequency Note (1) Value in ( ) are for the 3 phase models.
  • Page 125 '19 • PAC-T-327 (3) Compressor soft start control (a) Compressor protection start I [Control condition] Normally, the compressor operation frequency is raised in this start pattern. [Control contents] (i) Starts with the compressor’s target frequency at A rps. However, when the outdoor air temperature (Tho-A) is 35°C or higher during cooling/ dehumidifying or the indoor return air temperature (Thi-A) is 25°C or higher during heating, it starts at C rps.
  • Page 126 '19 • PAC-T-327 Outdoor fan control (a) Outdoor fan tap and fan motor speed Unit: min Model Mode Fan motor tap speed speed speed speed speed speed speed ① ② ③ ④ ⑤ ⑥ ⑦ FDC71 Cooling/Dehumidifying Heating speed speed speed speed speed...
  • Page 127 '19 • PAC-T-327 (ii) The outdoor heat exchanger temperature is detected always and, when the number of revolutions of the outdoor fan speed has been increased or decreased, there is no change of fan speed for 20 seconds. (iii) Rage of the outdoor fan speed under this control is as follows. 1) Lower limit: 130min 2) Upper limit: 500min (iv) As any of the following conditions is established, this control terminates.
  • Page 128 '19 • PAC-T-327 Defrost operation Model FDC71-140 (a) Starting conditions If all of the following defrost conditions A or conditions B are satisfied, the defrost operation starts. Defrost conditions A Cumulative compressor operation time after the end of defrost operation has elapsed 37 [45] minutes, and the cumulative compressor operation Defrost operation start time after the start of heating operation (remote...
  • Page 129 '19 • PAC-T-327 (c) Switching of defrost control with SW3-1 If SW3-1 on the outdoor control PCB is turned to ON, it becomes easier to enter the defrost operation. Use this when installing a unit at snowing regions. (ii) Control contents It allows entering the defrost operation under the defrost condition A when the cumulative heating operation time becomes 30 minutes.
  • Page 130 '19 • PAC-T-327 (c) Heating high pressure protection Protective control As the indoor heat exchanger temperature (Thi-R) exceeds the setting value, the compressor speed (frequency) is controlled to suppress the rise of high pressure. Control value A is updated to an optimum value automatically according to the operating conditions. Existing piping adaptation switch: SW5-1 (SW8-1: model FDC71) Reduces compressor frequency Model...
  • Page 131 '19 • PAC-T-327 (g) Over-current protection current safe controls I, II Detecting the outdoor inverter input (primary) current and the output (secondary) current, if the current values exceed setting values, the compressor speed (frequency) is controlled to protect the inverter. Reduces frequency Cooling Heating...
  • Page 132 '19 • PAC-T-327 Dewing prevention control [Control condition] During cooling and dehumidifying operation, if all the following conditions are established, the compressor speed (frequency) is reduced to prevent dewing and water splash. (i) Cooling electronic expansion valve aperture (EEVC) is 500 pulses. (ii) Suction overheat is 10°C or higher.
  • Page 133 '19 • PAC-T-327 (7) Silent mode As “Silent mode start” signal is received from the remote control, it operates by dropping the outdoor fan tap and the compressor speed (frequency). (b) For details, refer to items (1) and (4) above. (8) Test run It is possible to operate from the outdoor unit using the dip switch on the outdoor unit control PCB.
  • Page 134 '19 • PAC-T-327 (10) Base heater ON/OFF output control (Option) (a) Base heater ON conditions When all of following conditions are satisfied, the base heater is turned ON. ・ Outdoor air temperature (detected with Tho-A) is 3ºC or lower. ・ In the heating mode ・...
  • Page 135 '19 • PAC-T-327 1.11 MAINTENANCE DATA 1.11.1 Diagnosing of microcomputer circuit (1) Selfdiagnosis function (a) Check indicator table Whether a failure exists or not on the indoor unit and outdoor unit can be know by the contents of remote control error code, indoor/outdoor unit green LED (power pilot lamp and microcomputer normality pilot lamp) or red LED (check pilot lamp).
  • Page 136 '19 • PAC-T-327 (ii) Outdoor unit 1) SRC40-60ZSX-S Remote control Indoor control PCB Reference Location of trouble Description of trouble Repair method Error code Red LED Red LED Green LED page Installation, operation status • Higher outdoor heat exchanger temperature Repair Replacement, repair Outdoor heat exchanger...
  • Page 137 '19 • PAC-T-327 2) FDC71-140VNX, 100-140VSX FDC100-140VNA, 100-140VSA Outdoor Remote control Indoor control PCB Outdoor control PCB inventer Reference Location of trouble Description of trouble Repair method page Green Green Yellow Error code Red LED Red LED Red LED LED (1) LED (1) Installation or operating •...
  • Page 138 '19 • PAC-T-327 3) FDC200, 250VSA Outdoor Remote control Indoor control PCB Outdoor control PCB inventer Reference Location of trouble Description of trouble Repair method page Green Green Yellow Error code Red LED Red LED Red LED LED (1) LED (1) Installation or operating •...
  • Page 139 '19 • PAC-T-327 (iv) Display sequence of error codes or inspection indicator lamps ■ Occurrence of one kind of error Displays are shown respectively according to errors. ■ Occurrence of plural kinds of error Section Category of display Error code on remote •...
  • Page 140 '19 • PAC-T-327 ■ Error log and reset Error indicator Memorized error log Reset Remote control display • Higher priority error is memorized. • Stop the unit by pressing the ON/OFF switch of remote control. Red LED on indoor control PCB •...
  • Page 141 '19 • PAC-T-327 1) Model FDT series a) Replace the control PCB a) Replace the control PCB i) Unscrew terminal (Arrow A) of the "E1" wiring (yellow/green) that is connected to PCB. i) Unscrew terminal (Arrow A) of the "E1" wiring (yellow/green) that is connected to PCB. ii) Replace the PCB only after all the wirings connected to the connector are removed.
  • Page 142 '19 • PAC-T-327 ●DIP switch setting list Switch Description Default setting Remark Address No. setting at plural indoor units control by 1 R/C SW5-1 Master * /Slave Master/Slave setting See table 2. SW5-2 SW6-1 SW6-2 Model selection As per model See table 1.
  • Page 143 '19 • PAC-T-327 Troubleshooting at the outdoor unit When troubleshooting the outdoor unit, firstly assess the overview of malfunction and try to presume the cause and the faulty part by checking the error code dispalyed on the remote control and flashing pattern of indicator lamps (Red LED and Green LED), and then proceed further inspection and remedy it. Self-diagnosis system by microcomputor on indoor unit and outdoor unit PCB can assist to find the cause of malfunction smoothly by making a diagnosis of not only the anomaly of microcomputer, but also the anomaly in power source system, installation space, overload resulting from improper charging amount of refrigerant and etc.
  • Page 144 '19 • PAC-T-327 PCA012D049A (i) Model FDC71VNX 1) Replace the PCB after elapsing 3 minutes from power OFF. (Be sure to measure voltage (DC) between T26 and T27 on inverter PCB, and check that the voltage is discharged sufficiently(10V or less).(Refer to Fig.2)) 2) Disconnect the connectors from the control PCB.
  • Page 145 '19 • PAC-T-327 PCA012D043 (ii) Models FDC100VNX, 125VNX, 140VNX PCA012D043 Model FDC100VSX, 125VSX, 140VSX Replace the PCB after elapsing 3 minutes from power OFF. (Be sure to measure voltage (DC) on both capacitor terminals located in control back, and check that the voltage is discharged sufficiently.) Disconnect the connectors from the control PCB.
  • Page 146 '19 • PAC-T-327 PCA012D083 (iii) Models FDC100VNA, 125VNA, 140VNA 1) Disassembly a) After the breaker is shut down, remove the service panel, top panel and rear panel. (Refer to Fig.1). b) Don't touch the main PCB until three minutes have passed after the breaker is shut doun. (After having shut down the breaker, some capacitor is held by high voltage.
  • Page 147 '19 • PAC-T-327...
  • Page 148 '19 • PAC-T-327 2) Exchange a) Match the setting of new main PCB switches (JSW1, SW3-7) with former main PCB. (Refer to Fig.4) b) Tum over the separator of new heat conduction sheet and paste the heat conduction sheet on the aluminum block. (Refer to Fig.5) c) Install the attached hamess clip on the new main PCB as shown in Fig.6.
  • Page 149 '19 • PAC-T-327...
  • Page 150 '19 • PAC-T-327 PCA012D084 (iv) Models FDC100VSA, 125VSA, 140VSA 1) Disassembly a) After the breaker is shut down, remove the service panel, top panel and rear panel. (Refer to Fig.1). b) Don't touch the main PCB until three minutes have passed after the breaker is shut doun. (After having shut down the breaker, some capacitor is held by high voltage.
  • Page 151 '19 • PAC-T-327...
  • Page 152 '19 • PAC-T-327 2) Exchange a) Match the setting of new main PCB switches (JSW1, SW3-7) with former main PCB. (Refer to Fig.4) b) Tum over the separator of new heat conduction sheet and paste the heat conduction sheet on the aluminum block.
  • Page 153 '19 • PAC-T-327...
  • Page 154 '19 • PAC-T-327 PCA012D050 (v) Models FDC200VSA, 250VSA Replace the control PCB according to the following procedure. after elapsing 3 minutes from power OFF. (i) Replace the PCB the voltage(DC) might (ii) Measurement was done on both ends of connector (CNA1) during measurement, charged the electrolytic capacitor, be sure that the voltage is discharged sufficiently.
  • Page 155 '19 • PAC-T-327 (c) Outdoor inverter PCB replacement procedure Precautions for Safety • Since the following precaution is the important contents for safety, be sure to observe them. WARNING and CAUTION are described as follows: Indicates an imminently hazardous situation which will result in death or serious WARNING injury if proper safety procedures and instructions are not adhered to.
  • Page 156 '19 • PAC-T-327 Inverter PCB Power source for inverter PCB ：Between T26 and T27 Check that the voltage is discharged sufficiently. After elapsing 3 minutes from power OFF Presence and shape of electric component may vary according to model. Fig.2 Voltage measurement points Remove the harness bands from control unit after Presence and shape of electric component removing the harnesses from harness bands.
  • Page 157 '19 • PAC-T-327 PCA012D025D (ii) Models FDC100VNX, 125VNX, 140VNX Replace the PCB after elapsing 3 minutes from power OFF. (Be sure to measure voltage (DC) on both capacitor terminals located in control back, and check that the voltage is discharged sufficiently.(Refer to Fig.1)) Take off the connection of inverter PCB terminal block connector and remove the screw of power transistor then remove the PCB. Wipe off the silicon grease neatly on the control’s radiation heat fins.
  • Page 158 '19 • PAC-T-327 PCA012D025F (iii) Models FDC100VSX, 125VSX, 140VSX Replace the PCB after elapsing 3 minutes from power OFF. (Be sure to measure voltage (DC) on both capacitor terminals located in control back, and check that the voltage is discharged sufficiently.(Refer to Fig.1)) Take off the connection of inverter PCB terminal block connector and remove the screw of power transistor then remove the PCB. Wipe off the silicon grease neatly on the control’s radiation heat fins.
  • Page 159 '19 • PAC-T-327 PCA012D063 (iv) Model FDC200VSA Replace the inverter PCB (Fig.1) according to the following procedure. (iv) Model FDC200VSA 1 ) Replace the inverter PCB after elapsing 3 minutes from power OFF. Replace the inverter PCB (Fig.1) according to the following procedure. (Be sure to measure voltage (DC) of two places ((A) power source for fan motor (DC), (B) power source for 1 ) Replace the inverter PCB after elapsing 3 minutes from power OFF.
  • Page 160 '19 • PAC-T-327 PCB012D057A (V) Model FDC250VSA Replace the inverter PCB (Fig.1) according to the following procedure. 1) Replace the PCB after elapsing 3 minutes from power OFF. In the situation that harnesses are connected to control PCB, be sure to measure voltage (DC) of two places ((A), (B)) and check that the voltage is discharged sufficiently.
  • Page 161 '19 • PAC-T-327 ※：Presence and shape of electric component may vary according to a model. Remove screws. (4 places) (C) Voltage measurement point of power source for inverter : DM (+) – DM (–) Inverter PCB Snubber capacitor Control PCB Remove harnesses from bands.
  • Page 162 '19 • PAC-T-327 DIP switch setting list (Outdoor unit) Models FDC71, 100, 125, 140VNX, 100, 125, 140VSX (1) Control PCB (a) Model FDC71VNX Switch Description Default setting Remark Defrost condition Normal SW3-1 Normal*/Cold region Snow protection control Normal SW3-2 Normal*/Snow protection Model selection Cooling only/Heat pump* Heat pump...
  • Page 163 '19 • PAC-T-327...
  • Page 164 '19 • PAC-T-327 Models FDC200, 250VSA (1) Control PCB Switch Description Default setting Remark Pump down operation Normal*/Pump down Normal JSW1-1 JSW1-2 Model selection As per model See table 1 JSW1-3 JSW1-4 SW3-1 Defrost condition Normal*/Cold region Normal Snow protection control Normal SW3-2 Normal*/Snow protection...
  • Page 165 '19 • PAC-T-327 (5) Check of anomalous operation data with the remote control (a) In case of RC-EX3A remote control [Operating procedure] ➀ On the TOP screen, touch the buttons in the order of “Menu” ➝ “Service setting” ➝ “Service & Maintenance” ➝ “Service password”...
  • Page 166 '19 • PAC-T-327 Models FDC100, 125, 140VNA, 100, 125, 140VSA Reference page Contents of display Note(1) Operation data display on the remote control. "0" Normal Data is dispalyed until canceling the protection control. In case of multiple protections controlled, only the younger No. is displayed. "1"...
  • Page 167 '19 • PAC-T-327 (b) In case of RC-E5 remote control Number Data Item Operation data can be checked with remote control unit operation. (Operation Mode) (Set Temperature) ➀ Press the button. (Return Air Temperature) The display change “ ” (Remote Control Temperature Sensor) ➁...
  • Page 168 '19 • PAC-T-327 Power transistor module (Including the driver PCB) inspection procedure Is the power transistor module cracked or burnt? Is there a short circuit between the power transistor module ∗ terminals? Compressor operation Is there any difference in the compressor current If there is a 10% or greater difference between phases? in the current in different phases.
  • Page 169 '19 • PAC-T-327 Models FDC200, 250VSA Tester Normal value (W) Terminal Terminal Model FDC200 Model FDC250 Scores of M Scores of M Approx. 4.5M Approx. 8.9M Scores of M Scores of M Approx. 130k Approx. 4.6M Approx. 4.5M Approx. 4.8M Approx.
  • Page 170 '19 • PAC-T-327 (7) Inverter checker for diagnosis of inverter output (7) Inverter checker for diagnosis of inverter output Models SRC40, 50, 60ZMX-S, FDC71, 100, 125, 140VNX,100, 125, 140VSX Models SRC40, 50, 60ZMX-S, FDC71, 100, 125, 140VNX,100, 125, 140VSX FDC100, 125, 140VNA, 100, 125, 140VSA, 200, 250VSA FDC100, 125, 140VNA, 100, 125, 140VSA, 200, 250VSA 　●Checking method 　●Checking method...
  • Page 171 '19 • PAC-T-327 Outdoor unit control failure diagnosis circuit diagram Models SRC40ZSX-S, 50ZSX-S, 60ZSX-S ● Outdoor unit check points CAUTION- HIGH VOLTAGE High voltage is produced in the control box. Don't touch electrical parts in the control box for 5 minutes after the unit is stopped.
  • Page 172 '19 • PAC-T-327 Model FDC71VNX t° t° t° t° t° t°...
  • Page 173 '19 • PAC-T-327 Models FDC100VNX, 125VNX, 140VNX t° t° t° t° t° t°...
  • Page 174 '19 • PAC-T-327 Models FDC100VSX, 125VSX, 140VSX t° t° t° t° t° t°...
  • Page 175 '19 • PAC-T-327 Models FDC100, 125, 140VNA...
  • Page 176 '19 • PAC-T-327 FDC100,125,140VSA...
  • Page 177 '19 • PAC-T-327 Model FDC200VSA...
  • Page 178 '19 • PAC-T-327 Model FDC250VSA...
  • Page 179 '19 • PAC-T-327 1.11.2 Troubleshooting flow (1) List of troubles Models SRC40, 50, 60ZSX-S, FDC71, 100, 125, 140VNX, 100, 125, 140VSX FDC100, 125, 140VNA, 100, 125, 140VSA Remote control display Description of trouble Reference page None Operates but does not cool None Operates but does not heat None...
  • Page 180 '19 • PAC-T-327 Compressor startup (Models SRC40-60 only) Compressor startup failure (Models SRC40-60 only) Compressor startup failure (Models FDC71-140VNX, 100-140VSX only) 246 · 247 Compressor startup failure (Models FDC100-140VNA / VSA only) 248 · 249 Compressor rotor lock error (Models SRC40-60 only) Models FDC200, 250VSA Remote control display Description of trouble...
  • Page 181 '19 • PAC-T-327 (2) Troubleshooting Green Content Error code Keeps flashing Stays OFF Indoor None Remote control: Operates but does not cool Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check the indoor fan operation. Check the temperature differnce between return and supply air.
  • Page 182 '19 • PAC-T-327 Green Content Error code Keeps flashing Stays OFF Indoor None Operates but does not heat Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check the indoor fan operation. Check the temperature differnce between return and supply air.
  • Page 183 '19 • PAC-T-327 Green Content Error code Stays OFF Stays OFF Indoor None Earth leakage breaker activated Remote control: Stays OFF Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are OK the insulation resistance and Replace compressor. coil resistance of compressor? 2.
  • Page 184 '19 • PAC-T-327 Green Content Error code – – Indoor None Excessive noise/vibration (1/3) Remote control: – – Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure If excessive noise/vibration persists when sufficient Does time has elapsed after noise/vibration stopping the unit, it is occur during or soon after stopping operation considered that the air-...
  • Page 185 '19 • PAC-T-327 Green Content Error code – – Indoor None Excessive noise/vibration (2/3) Remote control: – – Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page Rearrange the piping to Are the pipes avoid contact with the contacting the casing.
  • Page 186 '19 • PAC-T-327 Green Content Error code – – Indoor None Excessive noise/vibration (3/3) Remote control: – – Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page If insufficient cooling/ Adjustment heating problem happens during commissioning due to anomalous operating Does noise/vibration occur when the conditions at cooling/ cooling/heating operation is in...
  • Page 187 '19 • PAC-T-327 Green Content Error code Louver motor failure Keeps flashing Stays OFF Indoor None Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure ▲ Check at the indoor unit side. Operate after waiting for more than 1 minute.
  • Page 188 '19 • PAC-T-327 Green Error code Content Power source system error Indoor Stays OFF Stays OFF Remote control: None (Power source to indoor unit control PCB) Outdoor 2-time flash Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure AC220/240V detected between on the terminal block...
  • Page 189 '19 • PAC-T-327 Green Content Error code Power source system error Keeps flashing Stays OFF Indoor None Remote control: (Power source to remote control) Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the connection of the Correct.
  • Page 190 '19 • PAC-T-327 Green Content Error code INSPECT I/U Keeps flashing Stays OFF Indoor INSPECT I/U Remote control: (When 1 or 2 remote controls are connected) Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are 2 units of remote control connected? ⑴，...
  • Page 191 '19 • PAC-T-327 Green Content Error code INSPECT I/U Keeps flashing Stays OFF Indoor INSPECT I/U Remote control: (Connection of 3 units or more remote controls) Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are more than Reduce to 2 units or less.
  • Page 192 '19 • PAC-T-327 Communication error at Green Content Error code initial operation (1/3) Remote control: WAIT Keeps flashing Stays OFF Indoor (Models SRC40-60) 5. Troubleshooting 1. Applicable model Models SRC40-60 Diagnosis Countermeasure When the remote control LCD displays “ ” 2 WAIT minutes after the power on.
  • Page 193 '19 • PAC-T-327 Communication error at Green Content Error code initial operation (2/3) Remote control: WAIT Keeps flashing Stays OFF Indoor (Models SRC40-60) 5. Troubleshooting 1. Applicable model Models SRC40-60 Diagnosis Countermeasure When the fuse is blown, the method to inspect inverter before replacing the power Isn’t there source fuse...
  • Page 194 '19 • PAC-T-327 Communication error at Green Content Error code initial operation (3/3) Remote control: WAIT Keeps flashing Stays OFF Indoor (Models SRC40-60) 5. Troubleshooting 1. Applicable model Models SRC40-60 Diagnosis Countermeasure When the remote control display is extinguished after the power on.
  • Page 195 '19 • PAC-T-327 Communication error at Green Content Error code initial operation (1/3) Keeps flashing Stays OFF Indoor Remote control: WAIT (Models FDC71-140) Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model Models FDC71-140 Diagnosis Countermeasure “ ” is still displayed on the WAIT remote control LED 2 minutes after power ON.
  • Page 196 '19 • PAC-T-327 Communication error at Green Content Error code initial operation (2/3) Keeps flashing Stays OFF Indoor Remote control: WAIT (Models FDC71-140) Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model Models FDC71-140 Diagnosis Countermeasure Diagnosis for when the outdoor unit control PCB LED is turned off Shut down the breaker and back on again the breaker 3 minutes later.
  • Page 197 '19 • PAC-T-327 Communication error at Green Content Error code initial operation (3/3) Keeps flashing Stays OFF Indoor Remote control: WAIT (Models FDC71-140) Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model Models FDC71-140 Diagnosis Countermeasure Method to check for inverter PCB before replacement of blown power source fuse.
  • Page 198 '19 • PAC-T-327 Communication error at Green Content Error code initial operation (1/2) Keeps flashing Stays OFF Indoor Remote control: WAIT (Models FDC200, 250VSA only) Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model Models FDC200, 250VSA Diagnosis Countermeasure “ ” is still displayed on the WAIT remote control LED 2 minutes after power ON.
  • Page 199 '19 • PAC-T-327 Communication error at Green Content Error code initial operation (2/2) Keeps flashing Stays OFF Indoor Remote control: WAIT (Models FDC200, 250VSA only) Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model Models FDC200, 250VSA Diagnosis Countermeasure Diagnosis for when the outdoor unit control PCB LED is turned off From previous Shut down the breaker and back on...
  • Page 200 '19 • PAC-T-327 Green Content Error code No display Stays OFF Stays OFF Indoor None Remote control: Stays OFF Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Remote control does not display anything after the power on. Is DC10V or Defective remote control.
  • Page 201 '19 • PAC-T-327 Green Content Error code Remote control Keeps flashing Stays OFF Indoor Remote control: communication circuit error Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Malfunction by noise Is it possible to Check peripheral reset normally by the environment.
  • Page 202 '19 • PAC-T-327 Green Content Error code Keeps flashing 2-time flash Indoor Communication error during operation Remote control: Keeps flashing See below Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure ● In case that the outdoor unit red LED flashes 2-time Note (1) Inspect faulty connections (disconnection, looseness) on the outdoor unit terminal block.
  • Page 203 '19 • PAC-T-327 Green Content Error code Indoor heat exchanger Keeps flashing 1-time flash Indoor Remote control: temperature sensor anomaly Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the connection of indoor heat Correct. ➞ Insert connector exchanger temperature sensor securely.
  • Page 204 '19 • PAC-T-327 Green Content Error code Return air temperature Keeps flashing 1-time flash Indoor Remote control: sensor anomaly Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the connection of return Correct. ➞ Connect air temperature sensor connector.
  • Page 205 '19 • PAC-T-327 Green Content Error code Keeps flashing 1-time flash Indoor Heating overload operation Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the air filter clogged? Wash. 2. Error detection method Is the indoor heat exchanger Defective indoor heat temperature sensor...
  • Page 206 '19 • PAC-T-327 Green Content Error code Drain trouble Keeps flashing 1-time flash Indoor Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check the error data in the remote control. Is there any overflow? Is DC12V at CNI connector.
  • Page 207 '19 • PAC-T-327 Excessive number of connected Green Content Error code indoor units (more than 17 units) Keeps flashing Stays OFF Indoor Remote control: by controlling with one remote control Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Aren't more than 17...
  • Page 208 '19 • PAC-T-327 Green Content Error code Address setting error of Keeps flashing Keeps flashing Indoor Remote control: indoor units Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E11 occurs Is “Master IU address set” function of remote 2.
  • Page 209 '19 • PAC-T-327 Green Content Error code Communication error Keeps flashing 3-time flash Indoor Remote control: between master and slave indoor units Keeps flashing Stays Off Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is it OK the unit Correct unit address setting. address setting for master and slave indoor units?
  • Page 210 '19 • PAC-T-327 Green Content Error code Indoor fan motor anomaly Keeps flashing 1-time flash Indoor Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any foreign material Remove foreign material. intervene in rotational area of fan propeller? Does the fan 2.
  • Page 211 '19 • PAC-T-327 Green Content Error code Address setting error of Keeps flashing 1-time flash Indoor Remote control: master and slave indoor units Keeps flashing Stays Off Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E18 occurs Is “Master IU address set” function of remote 2.
  • Page 212 '19 • PAC-T-327 Green Content Error code Indoor unit operation check, Keeps flashing 1-time flash Indoor Remote control: drain pump motor check setting error Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E19 occurs when the power ON Defective indoor unit Is SW7-1 control PCB (Defective...
  • Page 213 '19 • PAC-T-327 Green Content Indoor fan motor rotation Error code Keeps flashing 1-time flash Indoor Remote control: speed anomaly Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any foreign material Remove foreign material. intervene in rotational area of fan propeller? Does the fan 2.
  • Page 214 '19 • PAC-T-327 Green Content Error code Defective panel switch Remote control: operation Keeps flashing 1-time flash Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Reset the error and close Is grill opened? the grill. Does matter improve if panel 2.
  • Page 215 '19 • PAC-T-327 Green Content Error code Remote control Keeps flashing Stays OFF Indoor Remote control: temperature sensor anomaly Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the remote Correct. control temperature sensor connected properly? 2.
  • Page 216 '19 • PAC-T-327 Green Content Error code Cooling overload operation Remote control: Keeps flashing Stays OFF Indoor (Models SRC40-60 only) Note (1) This LED isinstalled on models SRC40-60 only. 5. Troubleshooting 1. Applicable model Model s SRC40-60 Diagnosis Countermeasure * For the characteristics of outdoor heat exchanger temperature Are normal sensor, refer to E37.
  • Page 217 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Cooling overload operation Remote control: Outdoor control PCB Keeps flashing 1-time flash Yellow LED (Models FDC71-250 only) Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model Models FDC71-250 Diagnosis Countermeasure...
  • Page 218 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Discharge pipe Remote control: Outdoor control PCB Keeps flashing 1 5 -time flash Yellow LED temperature error Outdoor inverter Keeps flashing Note (1) Value in 　 is for the models SRC40-60. 5.
  • Page 219 '19 • PAC-T-327 Green Outdoor heat Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: exchanger temperature Outdoor control PCB Keeps flashing 1 8 -time flash Yellow LED sensor anomaly Outdoor inverter Keeps flashing Note (1) Value in 　 is for the models SRC40-60. 5.
  • Page 220 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Outdoor air temperature Remote control: Outdoor control PCB Keeps flashing 1-time flash Yellow LED sensor anomaly Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure the outdoor air...
  • Page 221 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Discharge pipe temperature Outdoor control PCB Keeps flashing 1-time flash Yellow LED sensor anomaly Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model Diagnosis Countermeasure All models Is the...
  • Page 222 '19 • PAC-T-327 Green Error code Content Service valve (gas side) closing operation Remote control: Keeps flashing Stays OFF Indoor (Models SRC40-60 only) 5. Troubleshooting 1. Applicable model Models SRC40-60 Diagnosis Countermeasure Are the Open the service valve. service valve (gas side) opened? 2.
  • Page 223 '19 • PAC-T-327 Green High pressure error Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: (63H1 activated) Outdoor control PCB Keeps flashing 1-time flash Yellow LED (Models FDC71-250 only) Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model Models FDC71-250 Diagnosis Countermeasure...
  • Page 224 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Power transistor overheat Remote control: Outdoor control PCB Keeps flashing 1-time flash Yellow LED (Models FDC71-140VNX, 100-140VSX only) Outdoor inverter 6-time flash 5. Troubleshooting 1. Applicable model Models FDC71-140VNX, 100- Diagnosis Countermeasure...
  • Page 225 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1-time flash Power transistor overheat Yellow LED Outdoor inverter (Models FDC200, 250VSA only) 2-time flash or 8-time flash Note (1) 8-time flash FDC250 model only. 5.
  • Page 226 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1-time flash Current cut (1/2) Yellow LED Outdoor inverter 1-time flash or 9-time flash Note (1) 9-time flash is for the FDC250 model only. 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
  • Page 227 '19 • PAC-T-327 Green Error code Content Indoor Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1-time flash Current cut (2/2) Yellow LED Outdoor inverter 1-time flash or 9-time flash Note (1) 9-time flash is for the FDC250 model only. 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page...
  • Page 228 '19 • PAC-T-327 Green Error code Content Communication error between Indoor control PCB Keeps flashing Stays OFF Remote control: inverter PCB and outdoor unit control PCB Outdoor control PCB Keeps flashing 1-time flash Yellow LED Outdoor inverter (Models FDC71-140VNX, 100-140VSX, 200, 250VSA only) Keeps flashing 5.
  • Page 229 '19 • PAC-T-327 Green Content Error code Active filter voltage error Remote control: Keeps flashing Stays OFF Indoor (Models SRC40-60 only) 5. Troubleshooting 1. Applicable model Models SRC40-60 Diagnosis Countermeasure Restore normal condition. Is the power source normal? 2. Error detection method Is voltage Restore normal condition.
  • Page 230 '19 • PAC-T-327 Green Error code Content Indoor Keeps flashing Stays off Inverter PCB A/F module anomaly Remote control: Outdoor control PCB Keeps flashing 1-time flash (Model FDC71VNX only) Yellow LED Outdoor Inverter 7-time flashing 5. Troubleshooting 1. Applicable model Model FDC71VNX only Diagnosis Countermeasure...
  • Page 231 '19 • PAC-T-327 Green Content Error code PCB A/F module anomaly Remote control: Indoor Keeps flashing Stays OFF (Models FDC100-140VNA only) Outdoor control PCB Keeps flashing 1-time flash 5. Troubleshooting 1. Applicable model Models FDC Diagnosis Countermeasure Is the power s ource Check power source.
  • Page 232 '19 • PAC-T-327 Green Content Error code Outdoor fan motor anomaly Remote control: Keeps flashing Stays OFF Indoor (Models SRC40-60 only) Note (1) This LED isinstalled on models SRC40-60 only. 5. Troubleshooting 1. Applicable model Models SRC40-60 Diagnosis Countermeasure Does any foreign material intervene Remove foreign matter.
  • Page 233 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Outdoor fan motor anomaly Remote control: Outdoor control PCB Keeps flashing 1-time flash (Models FDC71-140VNX, 100-140VSX, 200, 250VSA only) Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1.
  • Page 234 '19 • PAC-T-327 RUN light TIMER light Error code Indoor display Content 7-time flash Remote control: Outdoor fan motor anomaly Green LED Red LED Outdoor unit Keeps flashing 1-time flash control PCB (Models FDC100-140VNA / VSA only) Yellow LED Outdoor unit Keeps flashing inverter PCB 5.
  • Page 235 '19 • PAC-T-327 Green Error code Content Low pressure error or Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1-time flash low pressure sensor anomaly (1/2) Yellow LED Outdoor inverter (Models FDC71-140VNX, 100-140VSX, 200, 250VSA only) Keeps flashing 5.
  • Page 236 '19 • PAC-T-327 Green Error code Content Low pressure error or Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1-time flash low pressure sensor anomaly (2/2) Yellow LED Outdoor inverter (Models FDC71-140VNX, 100-140VSX, 200, 250VSA only) Keeps flashing 5.
  • Page 237 '19 • PAC-T-327 Green Error code Green Content Content Error code Power transistor error Power transistor anomaly Remote controller: E51 Remote control: E51 Keeps flashing Stays Off Indoor Keeps flashing Stays OFF (Models SRC50, 60) Indoor (Models SRC40-60 only) 5. Troubleshooting 1.
  • Page 238 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Inverter and fan motor anomaly Outdoor control PCB Keeps flashing 1-time flash (Models FDC71-140 only) Yellow LED Outdoor inverter 6-time flash 5. Troubleshooting 1. Applicable model Models FDC71-140 Diagnosis Countermeasure...
  • Page 239 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Inverter or power transistor anomaly Outdoor control PCB Keeps flashing 1-time flash Yellow LED (Models FDC200, 250VSA only) Outdoor inverter 2-time flash or 8-time flash Note (1) 8-time flash FDC250 model only.
  • Page 240 '19 • PAC-T-327 Green Error code Content Suction pipe Indoor control PCB Keeps flashing Stays OFF Remote control: temperature sensor anomaly Outdoor control PCB Keeps flashing 1-time flash Yellow LED Outdoor inverter (Models FDC71-250 only) Keeps flashing 5. Troubleshooting 1. Applicable model Models FDC71-250 Diagnosis Countermeasure...
  • Page 241 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Low pressure sensor anomaly Outdoor control PCB Keeps flashing 1-time flash (Models FDC71-140VNX, 100-140VSX, 200, 250VSA only) Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1.
  • Page 242 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Compressor under dome Remote control: Outdoor control PCB Keeps flashing 1-time flash temperature sensor anomaly Yellow LED Outdoor inverter (Model FDC250VSA only) Keep flashing 5. Troubleshooting 1.
  • Page 243 '19 • PAC-T-327 Insufficient refrigerant amount Green Content Error code or detection of service valve closure Remote control: Keeps flashing Stays OFF Indoor (Models SRC40-60 only) 5. Troubleshooting 1. Applicable model Models SRC40-60 Diagnosis Countermeasure Is the Open fully. service valve fully opened? Are the connections of indoor...
  • Page 244 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Insufficient refrigerant amount Remote control: Outdoor control PCB Keeps flashing 1-time flash or detection of service valve closure Yellow LED Outdoor inverter (Models FDC71-250 only) Keeps flashing 5. Troubleshooting 1.
  • Page 245 '19 • PAC-T-327 Green Green Error code Content Content Error code Current safe stop Current safe stop Keeps flashing Stays Off Indoor Remote controller: E58 Remote control: Keeps flashing Stays OFF Indoor (Models SRC40-60 only) (Models SRC40-60 only) 3 time flash Outdoor ―...
  • Page 246 '19 • PAC-T-327 Green Content Error code Compressor startup failure Remote control: Keeps flashing Stays OFF Indoor (Models SRC40-60 only) Note (1) This LED isinstalled on models SRC40-60 only. 5. Troubleshooting 1. Applicable model Models SRC40-60 Diagnosis Countermeasure Disconnect the outdoor fan motor Compressor does not start at all.
  • Page 247 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Compressor startup failure (1/2) Outdoor control PCB Keeps flashing 5-time flash (Models FDC71-140VNX, 100-140VSX only) Yellow LED Outdoor inverter Stays OFF 5. Troubleshooting 1. Applicable model Models FDC71-140VNX, 100- Diagnosis Countermeasure...
  • Page 248 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Compressor startup failure (2/2) Outdoor control PCB Keeps flashing 5-time flash (Models FDC71-140VNX, 100-140VSX only) Yellow LED Outdoor inverter Stays OFF 5. Troubleshooting 1. Applicable model Models FDC71-140VNX, 100- Diagnosis Countermeasure...
  • Page 249 '19 • PAC-T-327 RUN light TIMER light Error code Indoor display Content – – Remote control: Compressor startup failure (1/2) Green LED Red LED Outdoor unit Keeps flashing 5-time flash control PCB (Models FDC100-140VN A/VSA only) Yellow LED Outdoor unit Stays OFF inverter PCB 5.
  • Page 250 '19 • PAC-T-327 RUN light TIMER light Error code Indoor display Content – – Remote control: Compressor startup failure (2/2) Green LED Red LED Outdoor unit Keeps flashing 5-time flash control PCB (Models FDC100-140VN A/VSA only) Yellow LED Outdoor unit Stays OFF inverter PCB 5.
  • Page 251 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Compressor startup failure (1/2) Outdoor control PCB Keeps flashing 1-time flash (Models FDC200, 250VSA only) Yellow LED Outdoor inverter 4-time flash 5. Troubleshooting 1. Applicable model Models FDC200, 250VSA Diagnosis Countermeasure...
  • Page 252 '19 • PAC-T-327 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Compressor startup failure (2/2) Outdoor control PCB Keeps flashing 5-time flash (Models FDC200, 250VSA only) Yellow LED Outdoor inverter 4-time flash 5. Troubleshooting 1. Applicable model Models FDC200, 250VSA Diagnosis Countermeasure...
  • Page 253 '19 • PAC-T-327 Green Content Error code Compressor rotor lock error Remote control: Keeps flashing Stays OFF Indoor (Models SRC40-60 only) 5. Troubleshooting 1. Applicable model Models SRC40-60 Diagnosis Countermeasure Is the Check and correct the power source voltage power source voltage. Reset the power source and restart operation.
  • Page 254 Rated air flow(outdoor) 2160 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 5 The Square, Stockley Park, Uxbridge, Middlesex,UB11 1ET, United kingdom PJF000Z551...
  • Page 255 Rated air flow(outdoor) 2400 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 5 The Square, Stockley Park, Uxbridge, Middlesex,UB11 1ET, United kingdom PJF000Z551...
  • Page 256 Rated air flow(outdoor) 2490 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 5 The Square, Stockley Park, Uxbridge, Middlesex,UB11 1ET, United kingdom PJF000Z551...
  • Page 257 Rated air flow(outdoor) 3600 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 5 The Square, Stockley Park, Uxbridge, Middlesex,UB11 1ET, United kingdom PJF000Z551...
  • Page 258 Rated air flow(outdoor) 6000 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 5 The Square, Stockley Park, Uxbridge, Middlesex,UB11 1ET, United kingdom PJF000Z551...
  • Page 259 Rated air flow(outdoor) 6000 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 5 The Square, Stockley Park, Uxbridge, Middlesex,UB11 1ET, United kingdom PJF000Z551...
  • Page 260 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdc is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 261 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdh is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 262 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdc is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 263 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdh is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 264 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdc is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 265 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdh is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 266 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdc is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 267 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdh is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 268 Total electric power input 0.030 rated,c elec Sound power level Cooling capacity (latent) 50.0 rated,c (per speed setting,if applicable) Heating capacity rated,h Contact details Mitsubishi heavy industries thermal systems,LTD FDT50VH Model(s) : Item Symbol Value Unit Item Symbol Value Unit Cooling capacity (sensible) Total electric power input 0.040...

  • Page 269: Table Of Contents

    '19 • PAC-T-327 2. MICRO INVERTER PACKAGED AIR-CONDITIONERS CONTENTS 2.1 SPECIFICATIONS ..................270 2.2 EXTERIOR DIMENSIONS ................278 (1) Indoor units ..................278 (2) Outdoor units ..................278 (3) Remote control (Option parts) ..............280 2.3 ELECTRICAL WIRING ................281 (1) Indoor units ..................281 (2) Outdoor units ..................281 2.4 NOISE LEVEL ..................285 2.5 TEMPERATURE AND VELOCITY DISTRIBUTION...
  • Page 270 '19 • PAC-T-327 (9) Pump-down control ................333 (10) Base heater ON/OFF output control (Option) ........333 ( ) Models FDC200, 250VSA ..............335 Ⅰ Ⅰ (1) Determination of comressor speed (Frequency) .........335 (2) Compressor start control ..............335 (3) Compressor soft start control ..............336 (4) Outdoor fan control ................336...

  • Page 271: Specifications

    '19 • PAC-T-327 2.1 SPECIFICATIONS (1) Twin type Model FDT100VNAPVH Item Indoor unit FDT50VH (2 units) Outdoor unit FDC100VNA Power source 1 Phase, 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 10.0 [ 4.0(Min.) - 11.2(Max.)] Nominal heating capacity (range) 11.2 [ 4.0(Min.) - 12.5(Max.)] Cooling 2.82...
  • Page 272 '19 • PAC-T-327 Model FDT100VSAPVH Item Indoor unit FDT50VH (2 units) Outdoor unit FDC100VSA Power source 3 Phase, 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 10.0 [ 4.0(Min.) - 11.2(Max.)] Nominal heating capacity (range) 11.2 [ 4.0(Min.) - 12.5(Max.)] Cooling 2.82 Power consumption...
  • Page 273 '19 • PAC-T-327 Model FDT125VNAPVH Item Indoor unit FDT60VH (2 units) Outdoor unit FDC125VNA Power source 1 Phase, 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 12.5 [ 5.0(Min.) - 14.0(Max.)] Nominal heating capacity (range) 14.0 [ 4.0(Min.) - 16.0(Max.)] Cooling 3.79 Power consumption...
  • Page 274 '19 • PAC-T-327 Model FDT125VSAPVH Item Indoor unit FDT60VH (2 units) Outdoor unit FDC125VSA Power source 3 Phase, 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 12.5 [ 5.0(Min.) - 14.0(Max.)] Nominal heating capacity (range) 14.0 [ 4.0(Min.) - 16.0(Max.)] Cooling 3.79 Power consumption...
  • Page 275 '19 • PAC-T-327 (2) Triple type Model FDT140VNATVH Item Indoor unit FDT50VH (3 units) Outdoor unit FDC140VNA Power source 1 Phase, 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 13.6 [ 5.0(Min.) - 14.5(Max.)] Nominal heating capacity (range) 15.5 [ 4.0(Min.) - 16.5(Max.)] Cooling 4.22 Power consumption...
  • Page 276 '19 • PAC-T-327 Model FDT140VSATVH Item Indoor unit FDT50VH (3 units) Outdoor unit FDC140VSA Power source 3 Phase, 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 13.6 [ 5.0(Min.) - 14.5(Max.)] Nominal heating capacity (range) 15.5 [ 4.0(Min.) - 16.5(Max.)] Cooling 4.22 Power consumption...
  • Page 277 '19 • PAC-T-327 (3) Double twin type Model FDT200VSADVH Item Indoor unit FDT50VH (4 units) Outdoor unitFDC200VSA Power source 3 Phase, 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 19.0 [ 5.2(Min.) - 22.4(Max.)] Nominal heating capacity (range) 22.4 [ 3.3(Min.) - 25.0(Max.)] Cooling 6.26 Power consumption...
  • Page 278 '19 • PAC-T-327 Model FDT250VSADVH Item Indoor unit FDT60VH (4 units) Outdoor unit FDC250VSA Power source 3 Phase, 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 24.0 [ 6.9(Min.) - 28.0(Max.)] Nominal heating capacity (range) 27.0 [ 5.5(Min.) - 31.5(Max.)] Cooling 7.43 Power consumption...

  • Page 279: Exterior Dimensions

    '19 • PAC-T-327 2.2 EXTERIOR DIMENSIONS (1) Indoor units ……………………………………………………………………………………… See page 15. (2) Outdoor units Models FDC100VNA, 125VNA, 140VNA 100VSA, 125VSA, 140VSA PCA001Z816...
  • Page 280 '19 • PAC-T-327 Model FDC200VSA PCA001Z768...

  • Page 281: Remote Control (Option Parts)

    '19 • PAC-T-327 Model FDC250VSA PCB003Z865 (3) Remote control (Option parts) ………………………………………………………………………… See page 19.

  • Page 282: Electrical Wiring

    '19 • PAC-T-327 2.3 ELECTRICAL WIRING (1) Indoor units ……………………………………………………………………………………… See page 22. (2) Outdoor units Models FDC100VNA, 125VNA, 140VNA PCA001Z817...
  • Page 283 '19 • PAC-T-327 Models FDC100VSA, 125VSA, 140VSA PCA001Z818...
  • Page 284 '19 • PAC-T-327 Model FDC200VSA PCA001Z769...
  • Page 285 '19 • PAC-T-327 Model FDC250VSA PCB003Z866...

  • Page 286: Noise Level

    '19 • PAC-T-327 2.4 NOISE LEVEL 2.4 NOISE LEVEL 2.4 NOISE LEVEL Notes(1) The data are based on the following conditions. Notes(1) The data are based on the following conditions. Notes(1) The data are based on the following conditions. Ambient air temperature: Indoor unit 27℃WB. Outdoor unit 35℃DB. Ambient air temperature: Indoor unit 27℃WB.

  • Page 287: Temperature And Velocity Distribution

    '19 • PAC-T-327 (b) FDC200, 250 Model FDC200VSA Cooling noise level 58dB (A) Heating noise level 59dB (A) 1000 2000 4000 8000 1000 2000 4000 8000 Mid octave band frequency (Hz) Mid octave band frequency (Hz) Model FDC250VSA Heating noise level 62dB (A) Cooling noise level 59dB (A) 1000 2000...

  • Page 288: Piping System

    '19 • PAC-T-327 2.6 PIPING SYSTEM (1) Twin type Models 100, 125 Gas branch pipe 50,60:ø12.7 Indoor unit Indoor unit Outdoor unit Cooling cycle Heating cycle Check joint 4-way valve Temperature sensor (Tho-A) Gas line ø 15.88) Service valve (Flare connecting) Flare connecting Temperature sensor (Heat exchanger)
  • Page 289 '19 • PAC-T-327 (3) Double twin type Model 200 Model FDTC200 2nd branch pipe of gas ( φ 12.7) Outdoor unit Cooling cycle Heating cycle 1st branch Indoor unit Indoor unit Check joint pipe of gas 4-way valve Temperature sensor Gas line (Tho-A) ( φ...
  • Page 290 '19 • PAC-T-327 Model FDTC250 Model 250 2nd branch pipe of gas ( φ 12.7) Outdoor unit Cooling cycle Heating cycle 1st branch Indoor unit Indoor unit pipe of gas Check joint 4-way valve Temperature sensor Gas line ( φ 15.88) (Tho-A) Temperature sensor Muffler...
  • Page 291 '19 • PAC-T-327 Preset point of the protective devices Equipped Parts name Mark FDT100, 125, 140 model FDT200, 250 model unit Temperature sensor OFF 63˚C (for protection over- Th i -R ON 56˚C loading in heating) Indoor unit Temperature sensor OFF 1.0˚C Th i -R (for frost prevention)

  • Page 292: Range Of Usage & Limitations

    '19 • PAC-T-327 2.7 RANGE OF USAGE & LIMITATIONS See next page. Operating temperature range When used below -5˚C, install a snow hood. Considering to get sufficient heating capacity, the area where the averaged lowest ambient Recommendable area to install air temperature in day time during winter is above 0˚C, and it has no accumulation of snow.
  • Page 293 '19 • PAC-T-327 Operating temperature range ■ Cooling 50℃DB Usage range in cooling -15℃DB Indoor air temperature (℃WB) ■ Heating FDC200, 250 Usage range in heating FDC100-140 Outdoor air temperature (℃WB) Decline in cooling and heating capacity or operation stop may occur when the outdoor unit is installed in places where natural wind can increase or decrease its design air flow rate.
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  • Page 296: Selection Chart

    '19 • PAC-T-327 2.8 SELECTION CHART Correct the cooling and heating capacity in accordance with the operating conditions. The net cooling and heating capacity can be obtained in the following way. Net capacity = Capacity shown in the capacity tables (2.8.1) × Correction factors shown in the table (2.8.2) (2.8.3) (2.8.4). Caution: In case that the cooling operation during low outdoor air temperature below -5°C is expected, install the outdoor unit where it is not influenced by natural wind.
  • Page 297 '19 • PAC-T-327 FDT125VNAPVH Model Indoor unit FDT60VH (2 units) Outdoor unit FDC125VNA Cooling mode (kW) Heating mode:HC (kW) Indoor air temperature Indoor air temperature Outdoor Outdoor air temp. 18 ℃DB 21 ℃DB 23 ℃DB 26 ℃DB 27 ℃DB 28 ℃DB 31 ℃DB 33 ℃DB ℃DB...
  • Page 298 '19 • PAC-T-327 (2) Triple type FDT140VNATVH Model Indoor unit FDT50VH (3 units) Outdoor unit FDC140VNA Cooling mode (kW) Heating mode:HC (kW) Indoor air temperature Indoor air temperature Outdoor Outdoor air temp. 18 ℃DB 21 ℃DB 23 ℃DB 26 ℃DB 27 ℃DB 28 ℃DB 31 ℃DB...
  • Page 299 '19 • PAC-T-327 (3) Double twin type FDT200VSADVH Model Indoor unit FDT50VH (4 units) Outdoor unit FDC200VSA Cooling mode (kW) Heating mode:HC (kW) Indoor air temperature Indoor air temperature Indoor air temperature Indoor air temperature Indoor air temperature Outdoor Outdoor Outdoor Outdoor Outdoor...
  • Page 300 '19 • PAC-T-327 [References data] Capacity variation against outdoor and indoor temperature at rated capacity condition.t Ⅰ Models FDC100, 125, 140VNA, 100, 125, 140VSA ① Cooling Indoor air temperature 24℃WB Indoor air temperature 19℃WB Indoor air temperature 15℃WB Indoor air temperature 12℃WB Indoor air temperature 17℃WB...
  • Page 301 [References data] '19 • PAC-T-327 Capacity variation against outdoor and indoor temperature at the maximum compressor speed capacity compensation coefficient shows the ratio to nominal capacity. (II) Model FDC200VSA ① Cooling Indoor air temperature 24 ℃ WB Indoor air temperature 19 ℃ WB Indoor air Indoor air temperature 17 ℃...
  • Page 302 '19 • PAC-T-327 (III) Model FDC250VSA ① Cooling Indoor air Indoor air temperture 24℃WB temperture 19℃WB Indoor air temperture 17℃WB Indoor air temperture 15℃WB Indoor air temperture 12℃WB Outdoor air temperature (℃DB) ② Heating Outdoor air temperture 18℃WB Outdoor air Outdoor air temperture 10℃WB temperture 7℃WB...

  • Page 303: Correction Of Cooling And Heating Capacity In Relation To Air Flow Rate Control (Fan Speed)

    '19 • PAC-T-327 2.8.2 Correction of cooling and heating capacity in relation to air flow rate control (Fan speed) Fan speed P-Hi or Hi Coefficient 1.00 0.97 0.95 2.8.3 Correction of cooling and heating capacity in relation to one way length of refrigerant piping It is necessary to correct the cooling and heating capacity in relation to the one way equivalent piping length between the indoor and outdoor units.
  • Page 304 '19 • PAC-T-327 How to obtain the cooling and heating capacity Example : The net cooling capacity of the model FDT200VSADVH with the air flow “P-Hi”, the piping length of 15m, the outdoor unit located 5m lower than the indoor unit, indoor wet-bulbtemperature at 19.0℃ and outdoor dry-bulb temperature 35℃ is ×...

  • Page 305: Application Data

    '19 • PAC-T-327 2.9 APPLICATION DATA 2.9.1 Installation of indoor unit ………………………………………………………… See page 48. 2.9.2 Electric wiring work installation ……………………………………………… See page 54. 2.9.3 Installation of wired remote control (Option parts) ………………… See page 58. 2.9.4 Installation of outdoor unit (1) Models FDC100-140VNA, 100-140VSA...
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  • Page 314: Models Fdc200, 250Vsa

    '19 • PAC-T-327 (2) Models FDC200, 250VSA...
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  • Page 322: Method For Connecting The Accessory Pipe

    '19 • PAC-T-327 2.9.5 Method for connecting the accessory pipe PSC012D028A Model FDC200VSA PSC012D028A Model FDC200VSA ● Be sure to use the accessory pipe to connect the service valve on the gas side with the field pipe. ● Be sure to use the straight pipe （ Procured at the field） shown in the table 1 applicable. ●...
  • Page 323 '19 • PAC-T-327 【 Connection example ‒ applicable to the connecting direction.】 ● The piping angle shown below is an example in case of 15mm of heat insulating material. 　 Adjust an angle, according to the thickness of heat insulating material. 　...
  • Page 324 '19 • PAC-T-327 Model FDC250VSA PSC012D028C Model FDC250VSA PSC012D028C ● Be sure to use the accessory pipe to connect the service valve on the gas side with the field pipe. ● Be sure to use the straight pipe （Procured at the field） shown in the table 1 applicable to the model of outdoor unit. ●...

  • Page 325: Instructions For Branching Pipe Set (Dis-Wa1,Wb1,Ta1,Tb1)

    '19 • PAC-T-327 【 Connection example ‒ applicable to the connecting direction.】 ● The piping angle shown below is an example in case of 15mm of heat insulating material. 　 Adjust an angle, according to the thickness of heat insulating material. 　...

  • Page 326: Outline Of Operation Control By Microcomputer

    '19 • PAC-T-327 2.10 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 2.10.1 Remote control (Option parts) …………………………………… See page 93. 2.10.2 Operation control function by the wired remote control …… See page 96. 2.10.3 Operation control function by the indoor control ……………...

  • Page 327: Compressor Start Control

    '19 • PAC-T-327 (2) Compressor start control Compressor starts upon receipt of the thermostat ON signal from the indoor unit. (b) However, at initial start after turning the power source breaker, it may enter the standby state for maximum 30 minutes (“...

  • Page 328: Outdoor Fan Control

    '19 • PAC-T-327 (4) Outdoor fan control (a) Outdoor unit fan tap and fan motor speed Unit: min Model Mode Fan motor tap ➀ speed ➁ speed ➂ speed ➃ speed ➄ speed ➅ speed ➆ speed 100-140 Cooling/Dehumidifying Heating Note (1) If the “silent mode start”...

  • Page 329: Defrost Operation

    '19 • PAC-T-327 The outdoor unit heat exchanger temperature is detected always and, when the number of revolutions of the outdoor fan speed has been increased or decreased, there is no change of fan speed for 20 seconds. iii) Rage of the outdoor unit fan speed under this control is as follows. a) Lower limit: 130min b) Upper limit: 500min As any of the following conditions is established, this control terminates.

  • Page 330: Protective Control/Anomalous Stop Control By Compressor S Number Of Revolutions

    '19 • PAC-T-327 (c) Switching of defrost operation with SW3-1 If SW3-1 on the outdoor unit control PCB is turned to ON, it becomes easier to enter the defrost operation. Use this when installing a unit at snowing regions. Control contents It allows entering the defrost operation under the defrost condition A when the cumulative heating operation time becomes 30 minutes.
  • Page 331 '19 • PAC-T-327 (c) Heating high pressure protection Protective control As the indoor unit heat exchanger temperature (Thi-R) exceeds the setting value, the compressor speed (frequency) is controlled to suppress the rise of high pressure. Control value A is updated to an optimum value automatically according to the operating conditions. Reduces compressor frequency Existing piping adaptation switch: SW5-1 at every 30 seconds.
  • Page 332 '19 • PAC-T-327 (g) Power transistor temperature protection Anomalous stop control i) If the power transistor drops supply voltage, the protective switch in the power transistor operates to protect the compressor and the power transistor. ii) Under any of the following condition, E41 is displayed and it enters the anomalous stop mode. i) When the protective switch in the power transistor operates 5 times within 60 minutes and the compressor stops.

  • Page 333: Silent Mode

    '19 • PAC-T-327 (m) Broken wire detection on temperature sensor Outdoor unit heat exchanger temperature sensor and outdoor air temperature sensor If the following is detected for 5 second continuously within 2 minutes to 2 minutes and 20 seconds after the compressor ON, the compressor stops.

  • Page 334: Pump-Down Control

    '19 • PAC-T-327 (9) Pump-down control When SW7-1 is OFF, turning ON the pump-down switch SW1 for 2 seconds during the operation stop or anomalous stop (excluding the thermostat OFF), the pump-down operation is performed. (This is invalid when the indoor unit is operating. This is effective even when the indoor unit is stopped by the anomalous stop or the power source is turned OFF.) (a) Control contents Close the service valve at the liquid side.
  • Page 335 '19 • PAC-T-327 Base heater ON/OFF condition After the compressor stop, the base heater ON/OFF changes the control method by the outdoor air temperature 〔 Tho-A 〕 . (i) When the outdoor air temperature is A territory After the compressor stop, the base heater is always turned ON. (ii) When the outdoor air temperature is B territory (ii-1) After it passed for 8 minutes 30 seconds from the compressor stop, the base heater is turned OFF.

  • Page 336: Determination Of Comressor Speed (Frequency)

    '19 • PAC-T-327 ( II ) Models FDC200, 250VSA (1) Determination of compressor speed (Frequency) Required frequency Cooling/dehumidifying operation. Unit: rps Model FDC200 FDC250 Usual operation Outdoor air temperature ≦ 15°C or Max. required indoor return air temperature ≦ 20°C frequency Silent mode 80 (100) 70 (100)

  • Page 337: Compressor Soft Start Control

    '19 • PAC-T-327 (3) Compressor soft start control (a) Compressor protection start I [Control condition] Normally, the compressor operation frequency is raised in this start pattern. [Control contents] (i) Starts with the compressor’s target frequency at A rps. However, when the outdoor air temperature (Tho-A) is 35°C or higher during cooling/dehumidifying or the indoor return air temperature (Thi-A) is 25°C or higher during heating, it starts at C rps.
  • Page 338 '19 • PAC-T-327 (b) Fan tap control during Cooling/Defumidifying operation Fan taps are selected depending on the outdoor heat exchanger temperature (Tho-R1, R2) and the outdoor air temperature (Tho-A). • Silent mode only Note (1) It is detected by Tho-R1 or R2, whichever the higher. zone zone zone...

  • Page 339: Defrost Operation

    '19 • PAC-T-327 (e) Caution at the outdoor fan start control When the outdoor fan is running at 400min before operating the compressor, it may operate with the compressor only, without starting up the outdoor fan. This is normal. Snow protection fan control Snow protection fan If the dip switch (SW3-2) on the outdoor control PCB is turned control OFF...

  • Page 340: Protective Control/Anomalous Stop Control By Compressor S Number Of Revolutions

    '19 • PAC-T-327 (c) Switching of defrost control with SW3-1 If SW3-1 on the outdoor control PCB is turned to ON, it becomes easier to enter the defrost operation. Use this when installing a unit at snowing regions. (ii) Control contents It allows entering the defrost operation under the defrost condition A when the cumulative heating operation time becomes 30 minutes.
  • Page 341 '19 • PAC-T-327 (c) Heating high pressure protection (i) Protective control As the indoor heat exchanger temperature (Thi-R) exceeds the setting value, the compressor speed (frequency) is controlled to suppress the rise of high pressure. Control value A is updated to an optimum value automatically according to the operating conditions. Existing piping adaptation switch: SW5-1 Reduces compressor frequency Model...
  • Page 342 '19 • PAC-T-327 (g) Over-current protection current safe controls I, II Detecting the outdoor inverter input (primary) current and the output (secondary) current, if the current values exceed setting values, the compressor speed (frequency) is controlled to protect the inverter. Reduces frequency Cooling Heating...
  • Page 343 '19 • PAC-T-327 Dewing prevention control [Control condition] During cooling and dehumidifying operation, if all the following conditions are established, the compressor speed (frequency) is reduced to prevent dewing and water splash. (i) Cooling electronic expansion valve aperture (EEVC) is 500 pulses. (ii) Suction overheat is 10°C or higher.

  • Page 344: Silent Mode

    '19 • PAC-T-327 (7) Silent mode As “Silent mode start” signal is received from the remote control, it operates by dropping the outdoor fan tap and the compressor speed (frequency). (b) For details, refer to items (1) and (4) above. (8) Test run (a) It is possible to operate from the outdoor unit using the DIP switch on the outdoor control PCB.

  • Page 345: Base Heater On/Off Output Control (Option)

    '19 • PAC-T-327 (10) Base heater ON/OFF output control (Option) (i) Base heater ON conditions When all of following conditions are satisfied, the base heater is turned ON. ・Outdoor air temperature (detected with Tho-A) is 1ºC or lower. ・In the heating mode ・When the compressor is turned ON (ii) Base heater OFF conditions When either one of following conditions is satisfied, the base heater is turned OFF.

  • Page 346: Technical Information

    Rated air flow(outdoor) 4500 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 5 The Square, Stockley Park, Uxbridge, Middlesex,UB11 1ET, United kingdom PJF000Z551...
  • Page 347 Rated air flow(outdoor) 4500 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 5 The Square, Stockley Park, Uxbridge, Middlesex,UB11 1ET, United kingdom PJF000Z551...
  • Page 348 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdc is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 349 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdh is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 350 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdc is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 351 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdh is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 352 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdc is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 353 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdh is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 354 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdc is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 355 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdh is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 356 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdc is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 357 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdh is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 358 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdc is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 359 (100years) refrigerant Contact details Mitsubishi heavy industries thermal systems,LTD ** If Cdh is not determined by measurement then the default degradation coefficient air conditioners shall be 0,25. *** from 26 September 2018 Where information relates to multi-spilt air conditioners,the test result and performance data be obtained on the basis of the performance of the outdoor unit, with a combination of indoor unit(s) recommended by the manufacturer or importer.
  • Page 360 Total electric power input 0.030 rated,c elec Sound power level Cooling capacity (latent) 50.0 rated,c (per speed setting,if applicable) Heating capacity rated,h Contact details Mitsubishi heavy industries thermal systems,LTD FDT50VH Model(s) : Item Symbol Value Unit Item Symbol Value Unit Cooling capacity (sensible) Total electric power input 0.040...
  • Page 361 '19 • PAC-T-327 3. V MULTI SYSTEM TABLE OF CONTENTS 3.1 HYPER INVERTER PACKAGED AIR-CONDITIONERS ..........360 3.2 MICRO INVERTER PACKAGED AIR-CONDITIONERS ...........377 3.1 HYPER INVERTER PACKAGED AIR-CONDITIONERS CONTENTS 3.1.1 GENERAL INFORMATION ..................361 (1) How to read the model name ................361 (2) Table of models ....................361 (3) Table of system combinations...

  • Page 362: Series Code

    '19 • PAC-T-327 3.1.1 GENERAL INFORMATION (1) How to read the model name Example: FDT Series code Product capacity Model name (Ceiling cassett-4 way type) Example: FDC 100 VNX Applicable power source ... See the specification Product capacity Model name (Outdoor unit) (2) Table of models Capacity Model...

  • Page 363: Specifications

    '19 • PAC-T-327 3.1.2 SPECIFICATIONS (1) Indoor units Model FDT40VH Item Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity Nominal heating capacity Cooling Operation Sound power level Heating data Cooling dB(A) P-Hi : 36 Hi : 33 Me : 30 Lo : 26 Sound pressure level Heating P-Hi : 36 Hi : 33 Me : 28 Lo : 20...
  • Page 364 '19 • PAC-T-327 Model FDT50VH Item Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity Nominal heating capacity Cooling Operation Sound power level Heating data Cooling dB(A) P-Hi : 41 Hi : 33 Me : 30 Lo : 26 Sound pressure level Heating P-Hi : 42 Hi : 33 Me : 28 Lo : 20...
  • Page 365 '19 • PAC-T-327 Model FDT60VH Item Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity Nominal heating capacity Cooling Operation Sound power level Heating data Cooling dB(A) P-Hi : 44 Hi : 34 Me : 30 Lo : 27 Sound pressure level Heating P-Hi : 44 Hi : 34 Me : 30 Lo : 23...

  • Page 366: Outdoor Units

    '19 • PAC-T-327 (2) Outdoor units Model FDC71VNX Item Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 7.1 [ 3.2(Min.)-8.0(Max.)] Nominal heating capacity (range) 8.0 [ 3.6(Min.)-9.0(Max.)] Cooling Sound power level Operation Heating data Cooling dB(A) Sound pressure level Heating...
  • Page 367 '19 • PAC-T-327 Model FDC100VNX Item Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 10.0 [ 4.0(Min.)-11.2(Max.)] Nominal heating capacity (range) 11.2 [ 4.0(Min.)-12.5(Max.)] Cooling Sound power level Operation Heating data Cooling dB(A) Sound pressure level Heating Silent mode sound pressure level —...
  • Page 368 '19 • PAC-T-327 Model FDC100VSX Item Power source 3 Phase 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 10.0 [ 4.0(Min.)-11.2(Max.)] Nominal heating capacity (range) 11.2 [ 4.0(Min.)-16.0(Max.)] Cooling Sound power level Operation Heating data Cooling dB(A) Sound pressure level Heating Silent mode sound pressure level —...
  • Page 369 '19 • PAC-T-327 Model FDC125VNX Item Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 12.5 [ 5.0(Min.)-14.0(Max.)] Nominal heating capacity (range) 14.0 [ 4.0(Min.)-17.0(Max.)] Cooling Sound power level Operation Heating data Cooling dB(A) Sound pressure level Heating Silent mode sound pressure level —...
  • Page 370 '19 • PAC-T-327 Model FDC125VSX Item Power source 3 Phase 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 12.5 [ 5.0(Min.)-14.0(Max.)] Nominal heating capacity (range) 14.0 [ 4.0(Min.)-18.0(Max.)] Cooling Sound power level Operation Heating data Cooling dB(A) Sound pressure level Heating Silent mode sound pressure level —...
  • Page 371 '19 • PAC-T-327 Model FDC140VNX Item Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 14.0 [ 5.0(Min.)-16.0(Max.)] Nominal heating capacity (range) 16.0 [ 4.0(Min.)-18.0(Max.)] Cooling Sound power level Operation Heating data Cooling dB(A) Sound pressure level Heating Silent mode sound pressure level —...
  • Page 372 '19 • PAC-T-327 Model FDC140VSX Item Power source 3 Phase 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 14.0 [ 5.0(Min.)-16.0(Max.)] Nominal heating capacity (range) 16.0 [ 4.0(Min.)-20.0(Max.)] Cooling Sound power level Operation Heating data Cooling dB(A) Sound pressure level Heating Silent mode sound pressure level —...

  • Page 373: Operation Chart

    '19 • PAC-T-327 (3) Operation chart The V Multi is a system that allows for different models and capacities of indoor units to be connected so the individual operating characteristics of the indoor and outdoor are provided. Use the procedure shown in Item (c) to calculate the combined operating characteristics.
  • Page 374 '19 • PAC-T-327 (c) Calculation of total operation characteristics Since the operation characteristics of V Multi system depend on combination of indoor unit, calculate the total operation characteristics of the system by using the formulas below according to speciations of each indoor unit or outdoor unit. 1) 1 Phase models a) Total power consumption Total power consumption (kW) = Power consumption of outdoor unit + ∑...
  • Page 375 '19 • PAC-T-327 [Example] (Conditions) Operation voltage ········ Indoor unit: 220V, 50Hz Outdoor unit: 380V, 50Hz Operation mode ··········· Cooling and Heating Unit······························· Outdoor unit: FDC125VSX × 1 unit Indoor unit: FDT60VH × 2 units Operation characteristics of each unit (Cooling/Heating) Model FDC125VSX...

  • Page 376: Exterior Dimensions

    '19 • PAC-T-327 3.1.3 EXTERIOR DIMENSIONS (1) Indoor units ..................See page 15 (2) Outdoor units ..................See page 16 (3) Remote control (Option parts) ............See page 19 3.1.4 ELECTRICAL WIRING (1) Indoor units ..................See page 22 (2) Outdoor units ..................

  • Page 377: Technical Information

    Total electric power input 0.030 rated,c elec Sound power level Cooling capacity (latent) 50.0 rated,c (per speed setting,if applicable) Heating capacity rated,h Contact details Mitsubishi heavy industries thermal systems,LTD FDT50VH Model(s) : Item Symbol Value Unit Item Symbol Value Unit Cooling capacity (sensible) Total electric power input 0.040...

  • Page 378: Micro Inverter Packaged Air-Conditioners

    '19 • PAC-T-327 3.2 MICRO INVERTER PACKAGED AIR-CONDITIONERS CONTENTS 3.2.1 GENERAL INFORMATION .................377 (1) How to read the model name ................377 (2) Table of models ....................378 (3) Table of system combinations ................378 ....................379 3.2.2 SPECIFICATIONS (1) Indoor units ......................379 (2) Outdoor units ......................381 (3) Operation chart ....................389...

  • Page 379: Table Of Models

    '19 • PAC-T-327 (2) Table of models Capacity Model ○ ○ Ceiling suspended type (FDE) FDC100VNA FDC125VNA FDC140VNA FDC200VSA FDC250VSA FDC100VSA FDC125VSA FDC140VSA (8 Horse Power) (10 Horse Power) Outdoor unit to be combined (FDC) (5 Horse Power) (6 Horse Power) (4 Horse Power) (3) Table of system combinations Branch pipe set...

  • Page 380: Specifications

    '19 • PAC-T-327 3.2.2 SPECIFICATIONS (1) Indoor units Model FDT50VH Item Power source 1 Phase 220-240V 50Hz / 220V 60Hz Cooling Sound power level Heating Operation Cooling dB(A) P-Hi : 41 Hi : 33 Me : 30 Lo : 26 Sound pressure level data Heating...
  • Page 381 '19 • PAC-T-327 Model FDT60VH Item Power source 1 Phase 220-240V 50Hz / 220V 60Hz Cooling Sound power level Heating Operation Cooling dB(A) P-Hi : 44 Hi : 34 Me : 30 Lo : 27 data Sound pressure level Heating P-Hi : 44 Hi : 34 Me : 30 Lo : 23 Silent mode sound pressure level —...

  • Page 382: Outdoor Units

    '19 • PAC-T-327 (2) Outdoor units Model FDC100VNA Item Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 10.0 [ 4.0(Min.)-11.2(Max.)] Nominal heating capacity (range) 11.2 [ 4.0(Min.)-12.5(Max.)] Cooling Operation Sound power level Heating data Cooling dB(A) Sound pressure level Heating...
  • Page 383 '19 • PAC-T-327 Model FDC100VSA Item Power source 3 Phase 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 10.0 [ 4.0(Min.)-11.2(Max.)] Nominal heating capacity (range) 11.2 [ 4.0(Min.)-12.5(Max.)] Cooling Operation Sound power level Heating data Cooling dB(A) Sound pressure level Heating Silent mode sound pressure level 50/44 (Normal/Silent)
  • Page 384 '19 • PAC-T-327 Model FDC125VNA Item Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 12.5 [ 5.0(Min.)-14.0(Max.)] Nominal heating capacity (range) 14.0 [ 4.0(Min.)-16.0(Max.)] Cooling Operation Sound power level Heating data Cooling dB(A) Sound pressure level Heating Silent mode sound pressure level 51/45 (Normal/Silent)
  • Page 385 '19 • PAC-T-327 Model FDC125VSA Item Power source 3 Phase 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 12.5 [ 5.0(Min.)-14.0(Max.)] Nominal heating capacity (range) 14.0 [ 4.0(Min.)-16.0(Max.)] Cooling Operation Sound power level Heating data Cooling dB(A) Sound pressure level Heating Silent mode sound pressure level 51/45 (Normal/Silent)
  • Page 386 '19 • PAC-T-327 Model FDC140VNA Item Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 13.6 [ 5.0(Min.)-14.5(Max.)] Nominal heating capacity (range) 15.5 [ 4.0(Min.)-16.5(Max.)] Cooling Operation Sound power level Heating data Cooling dB(A) Sound pressure level Heating Silent mode sound pressure level 53/47 (Normal/Silent)
  • Page 387 '19 • PAC-T-327 Model FDC140VSA Item Power source 3 Phase 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 13.6 [ 5.0(Min.)-14.5(Max.)] Nominal heating capacity (range) 15.5 [ 4.0(Min.)-16.5(Max.)] Cooling Operation Sound power level Heating data Cooling dB(A) Sound pressure level Heating Silent mode sound pressure level 53/47 (Normal/Silent)
  • Page 388 '19 • PAC-T-327 Model FDC200VSA Item Power source 3 Phase 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 19.0 [ 5.2(Min.)-22.4(Max.)] Nominal heating capacity (range) 22.4 [ 3.3(Min.)-25.0(Max.)] Cooling Operation Sound power level Heating data Cooling dB(A) Sound pressure level Heating Silent mode sound pressure level Exterior dimensions (Height ×...
  • Page 389 '19 • PAC-T-327 Model FDC250VSA Item Power source 3 Phase 380-415V 50Hz / 380V 60Hz Nominal cooling capacity (range) 24.0 [ 6.9(Min.)-28.0(Max.)] Nominal heating capacity (range) 27.0 [ 5.5(Min.)-31.5(Max.)] Cooling Operation Sound power level Heating data Cooling dB(A) Sound pressure level Heating Silent mode sound pressure level Exterior dimensions (Height ×...

  • Page 390: Operation Chart

    '19 • PAC-T-327 (3) Operation chart The V Multi is a system that allows for different models and capacities of indoor units to be connected so the individual operating characteristics of the indoor and outdoor are provided. Use the procedure shown in item (c) to calculate the combined operating characteristics.
  • Page 391 '19 • PAC-T-327 (c) Calculation of total operation characteristics Since the operation characteristics of V Multi system depend on combination of indoor unit, calculate the total operation characteristics of the system by using the formulas below according to speciations of each indoor unit or outdoor unit. (i) 1 Phase models 1) Total power consumption Total power consumption (kW) = Power consumption of outdoor unit + ∑...
  • Page 392 '19 • PAC-T-327 [Example] (Conditions) Operation voltage ········ Indoor unit: 220V, 50Hz Outdoor unit: 380V, 50Hz Operation mode ··········· Cooling and Heating Unit······························· Outdoor unit: FDC200VSA × 1 unit Indoor unit: FDT50VH × 4 units Operation characteristics of each unit (Cooling/Heating) Model FDC200VSA...

  • Page 393: Exterior Dimensions

    '19 • PAC-T-327 3.2.3 EXTERIOR DIMENSIONS (1) Indoor units ..................See page 278 (2) Outdoor units ..................See page 278 (3) Remote control (Option parts) ............See page 280 3.2.4 ELECTRICAL WIRING (1) Indoor units ..................See page 281 (2) Outdoor units ..................

  • Page 394: Technical Information

    Total electric power input 0.040 rated,c elec Sound power level Cooling capacity (latent) 55.0 rated,c (per speed setting,if applicable) Heating capacity rated,h Contact details Mitsubishi heavy industries thermal systems,LTD FDT60VH Model(s) : Item Symbol Value Unit Item Symbol Value Unit Cooling capacity (sensible) Total electric power input 0.070...
  • Page 395 '19 • PAC-T-327 4. OPTION PARTS CONTENTS 4.1 WIRELESS KIT (RCN-T-5AW-E2) ................395 4.2 MOTION SENSOR KIT (LB-T-5W-E) ..............403 4.3 SIMPLE WIRED REMOTE CONROL (RCH-E3) ............ 407 4.4 BASE HEATER KIT (CW-H-E1) ................413 4.5 INTERFACE KIT (SC-BIKN2-E) ................419 4.6 SUPERLINK E BOARD (SC-ADNA-E) ..............

  • Page 396: Wireless Kit (Rcn-T-5Aw-E2)

    '19 • PAC-T-327 4.1 WIRELESS KIT (RCN-T-5AW-E2) 5.1 WIRELESS KIT (RCN-T-5AW-E2) Notes: ● Do Following function of FDT indoor unit series are not able to be set with this wireless remote control (RCN-T-5AW-E2). ● Us 1. Individual flap control system PJF012D035 PJF012D035 Safety precautions...
  • Page 397 '19 • PAC-T-327 WARNING ● Do not wash the unit with water. ● Use the cables for wiring, and connect them securely with care to protect D035 electronic parts from external forces. ● When installing the unit at a hospital, telecommunication facility, etc., take measures to suppress electric noises.
  • Page 398 It could cause electric shocks. '19 • PAC-T-327 ③ ② Preparation before installation (continued) To change setting Master/Slave setting when using Installat plural remote controls 1. Remove the cover by unscrewing two screws from the back of receiver. 2. Change the setting by the switch on PCB. ①...
  • Page 399 '19 • PAC-T-327 ③ How to install the receiver(continued) n using Installation of the receiver ① ② Put the wiring of the receiver through the opening. ol can indoor ③ Put the wiring on the notch on the control box so as not to be pinched by the control box and lid as shown below.
  • Page 400 '19 • PAC-T-327 ④ ④ Wire Wireless remote control 2. Setting Installation tips for the remote control holder The fo Fix the remote control holder using the screws supplied with this product. Button * Precautions for installing the holder FAN SPEED Holder for ●...
  • Page 401 '19 • PAC-T-327 ④ Wireless remote control (continued) 2. Setting details The following functions can be set. Button Number indicator Function setting Fun speed setting : Standard FAN SPEED Fun speed setting : Setting 1 * ontrol Fun speed setting : Setting 2 * Room heating temperature adjustment : Disable Room heating temperature adjustment : +1°C MODE...
  • Page 402 '19 • PAC-T-327 ⑤ ⑤ Receiver Rece 2. Correla 1 Control plural indoor units with one remote control Restrictions on the thickness and length of wire and rea (Maximun total extension 600m.) Up to 16 indoor units can be connected. The dra Standard Within 0.3 mm²...
  • Page 403 '19 • PAC-T-327 ⑤ Receiver (continued) 2. Correlation between illuminance at the receiver of wire The receivable area of the and reachable area of the signal in a plain view. signal when the illuminance The drawing in the right shows the correlation at the receiver is 300lux between the reachable area of the signal and illuminance at the receiver when the remote...

  • Page 404: Motion Sensor Kit (Lb-T-5W-E)

    '19 • PAC-T-327 4.2 MOTION SENSOR KIT (LB-T-5W-E) PJF012D036 PJF012D036 WARNING ● Connect the wiring to the PCB in the control box on the indoor unit and hold the wiring securely so as not to apply unexpected stress on the PCB. Loose connection or hold will cause abnormal heat generation or fire.
  • Page 405 '19 • PAC-T-327 Installing the motion sensor It is possible to install the motion sensor by replacing with a corner lid on the panel. Aim of the detectable scope Indoor unit Hight of the ceiling Detectable scope① about 4.5 about 6.4 about 7.6 Detectable scope②...
  • Page 406 '19 • PAC-T-327 Installation of the motion sensor ① Loosen the bolts which fix the panel, and make a gap between the panel and the indoor unit. ② Pass the wiring of the motion sensor through the opening of the panel. ③...
  • Page 407 '19 • PAC-T-327 Setting the motion sensor The motion sensor will not function if it is only installed. Set the function of the motion sensor by the wired or wireless remote control. Refer to the manual instruction of each remote control for the setting procedure. Note: It is not possible to set by the following remote control models or older.

  • Page 408: Simple Wired Remote Conrol (Rch-E3)

    '19 • PAC-T-327 4.3 SIMPLE WIRED REMOTE CONTROL (RCH-E3) Note: Following functions of FDU indoor unit series are not able to be set with this simple wired remote control (RCH-E3). 　1. 4-fan speed setting (P-Hi/Hi/Me/Lo) 3-fan speed setting (Hi/Me/Lo) Names and functions of sections Remote c Remote control sensor ON/OFF button...
  • Page 409 '19 • PAC-T-327 MITSUBISHI HEAVY INDUSTRIES,LTD. AIR-CONDITIONING & REFRIGERATION SYSTEMS HEADQUARTERS In case of embedding wiring Remote control installation dimensions Wall surface Wiring Wiring outlet Electrical box (In case of embedding wiring) （Prepare on site） 12×7 slot hole Installation hole 9×4.5 slot hole （2 places）...
  • Page 410 '19 • PAC-T-327 In case of exposing cord 3. Maste Simple Remote Control Installation Manual PJZ012D069 ⑴   M ake certain to remove a screw on the bottom surface of the ⑴   U p to t remote control. Read together with indoor unit's installation manual. WARNING ⑴...
  • Page 411 '19 • PAC-T-327 3. Master/ slave setting when more than one remote control are used ⑴   U p to two remote controls can be connected to one unit (or one group) of indoor unit. Switch Setting Function detail Slave remote control indoor unit SW1-1 Master remote control...
  • Page 412 ⑸ Connect the remote control cord to the terminal block. necessary at the wire   Connect the terminals (X and Y) of the remote control and the terminals (X and Y) of the indoor connecting section. Be careful about contact failure. unit. (No polarity of X and Y) 100 - 200m･････････････････0.5mm ×...
  • Page 413 “88” blinks on the temperature setting indicator. (blinking for approximately 2 to 10 seconds while ores data is read) Then, the return air temperature is displayed. When AIR CON No. is pressed, return cores to the indoor unit selection display (example, “U 000”). cores ON/OFF button.

  • Page 414: Base Heater Kit (Cw-H-E1)

    '19 • PAC-T-327 4.4 BASE HEATER KIT (CW-H-E1) PCZ012D007A Model Name: CW-H-E1 WARNING CAUTION Follow the instruction and installation manual for Follow the law or regulation of the country where outdoor unit when installing the heater. it is installed. This heater must be installed by authorized Do not alter the heater.
  • Page 415 '19 • PAC-T-327 Step 2 2. Remove the service panel. (3 places) (4 places) (4 places) Model A Model B Model C Step 3 3. Remove the front panel. Pull the panel straightforward so that the panel doesn’t touch the fan blade. (7 places) (11 places) (16 places)
  • Page 416 '19 • PAC-T-327 Step 6 End of heater End plate of heat exchanger 6. Put the heater underneath the heat exchanger and align the end of heater with the end plate of heat exchanger. Step 7 7. Fix the heater with brackets. This bracket is for model B only For model A, use 3 pcs of bracket A, 1pc of...
  • Page 417 '19 • PAC-T-327 Step 8 <Note> 8. Insert the plastic band with clip on the designated 1) Do not fasten the heating part with the 2) When the heater is laid down correctly, place (2 places), and fix the heater.(Model B,C only) plastic band.
  • Page 418 '19 • PAC-T-327 Step 10 <Note> 10. Insert the connector to the port (Model A: Be sure to cut the excess part of plastic band. CNN, Model B,C:CNF) on the PCB, and fix It may cause abnormal noise when hit by fan blade or misassembling of panels. the wire with bands.
  • Page 419 '19 • PAC-T-327 Step 12 12. Reassemble the panels. [ Model A ] Front panel Service panel Top panel [ Model B ] Front panel Service panel Top panel [ Model C ] Front panel Service panel Top panel <Note> 1) When reassembling the service panel, take care not to damage the front panel with the edge.

  • Page 420: Interface Kit (Sc-Bikn2-E)

    '19 • PAC-T-327 4.5 INTERFACE KIT (SC-BIKN2-E) ※ When RC-EX3A is connected, please use SC-BIKN2-E by all means. RKZ012A099 Accessories included in package Safety precautions Before use, please read these Safety precautions thoroughly before installation. Be sure to check all the accessories included in package. ●All the cautionary items mentioned below are important safety related items to be taken into consideration, so be sure to observe them at all times.
  • Page 421 '19 • PAC-T-327 Installation of the interface ・Install the interface within the range of the connection cable length (approximately 1.3m) from the indoor unit. Wiring inlet ・Be sure not to extend the connection cable on site. If the connection cable is extended, malfunction may occur. ・Fix the interface on the wall, pillar or the like.
  • Page 422 '19 • PAC-T-327 Functions of CnT connector It is available to operate the air-conditioner and to monitor the operation status with the external control unit (remote display) by sending the input/output signal through CnT connector on the indoor control PCB. Note (1) 0.3mm 0.75mm ×2m...
  • Page 423 '19 • PAC-T-327 Connection of wired remote control Regarding the connection of wired remote control, refer to the installation manual of wired remote control. ①Switch ON the DIP switch SW2-2 (Factory setting : ON) on the interface PCB. DIP suitch Caution:Wireless remote control attached to the indoor unit can be used in parallel, after connecting the wired remote control.

  • Page 424: Superlink E Board (Sc-Adna-E)

    '19 • PAC-T-327 4.6 SUPERLINK E BOARD (SC-ADNA-E) PJZ012D029K...
  • Page 425 '19 • PAC-T-327 cores cores cores cores cores make cores cores...
  • Page 426 MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. 16-5 Konan 2-chome, Minato-ku, Tokyo, 108-8215, Japan http://www.mhi-mth.co.jp/en/ Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. Copyright MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.

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