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Mitsubishi Heavy Industries FDTC40ZSXVF Technical Manual

Hyper inverter packaged split system, air to air heat pump type
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TECHNICAL MANUAL
HYPER INVERTER PACKAGED
AIR-CONDITIONERS
(Split system, air to air heat pump type)
CEILING CASSETTE-4
WAY COMPACT TYPE
FDTC40ZSXVF
50ZSXVF
60ZSXVF
DUCT CONNECTED-LOW/
MIDDLE STATIC PRESSURE TYPE
FDUM40ZSXVF
50ZSXVF
60ZSXVF
Manual No.'17•PAC-T-256
updated September 28, 2018
CEILING SUSPENDED
TYPE
FDE40ZSXVG
50ZSXVG
60ZSXVG

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  • Page 1 September 28, 2018 TECHNICAL MANUAL HYPER INVERTER PACKAGED AIR-CONDITIONERS (Split system, air to air heat pump type) CEILING CASSETTE-4 CEILING SUSPENDED WAY COMPACT TYPE TYPE FDTC40ZSXVF FDE40ZSXVG 50ZSXVF 50ZSXVG 60ZSXVF 60ZSXVG DUCT CONNECTED-LOW/ MIDDLE STATIC PRESSURE TYPE FDUM40ZSXVF 50ZSXVF...

  • Page 2: Table Of Contents

    '17 • PAC-T-256 CONTENTS 1. SPECIFICATIONS ....................(1) Ceiling cassette-4way compact type (FDTC) ..........5 (2) Ceiling suspended type (FDE) ............... 8 (3) Duct connected-Low/Middle static pressure type (FDUM) ......11 2. EXTERIOR DIMENSIONS ................. 14 (1) Indoor units ....................14 (2) Outdoor units ....................
  • Page 3 '17 • PAC-T-256 11.3 Operation control function by the indoor control ........88 (1) Auto operation ..................88 (2) Operations of functional items during cooling/heating ......89 (3) Dehumidifying (DRY) operation ................. 89 (4) Timer operation ..................90 (5) Remote control display during the operation stop ........91 (6) Hot start (Cold draft prevention at heating) ..........
  • Page 4 '17 • PAC-T-256 (4) Cooling low outdoor temperature protective control .......106 (5) Heating high pressure control ..............107 (6) Heating overload protective control ............107 (7) Heating low outdoor temperature protective control .......108 (8) Compressor overheat protection ............108 (9) Current safe ....................109 (10) Current cut ....................109 (11) Outdoor unit failure...
  • Page 5 '17 • PAC-T-256 How to read the model name Example: FDTC 40 Z SXVF Series code Inverter type Product capacity Model name FDTC : Ceiling cassette-4way compact type : Ceiling suspended type FDUM : Duct connected-Middle static pressure type : Outdoor unit...

  • Page 6: Specifications

    '17 • PAC-T-256 1. SPECIFICATIONS (1) Ceiling cassette-4way compact (FDTC) FDTC40ZSXVF Model Item Indoor unit FDTC40VF 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.)]...
  • Page 7 '17 • PAC-T-256 FDTC50ZSXVF Model Item Indoor unit FDTC50VF 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 1.56 Power consumption Heating 1.45 Max power consumption...
  • Page 8 '17 • PAC-T-256 FDTC60ZSXVF Model Item Indoor unit FDTC60VF 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.)- 6.7(Max.)] Cooling 1.99 Power consumption Heating 2.07 Max power consumption...

  • Page 9: Ceiling Suspended Type (Fde)

    '17 • PAC-T-256 (2) Ceiling suspended type (FDE) FDE40ZSXVG Model Item Indoor unit FDE40VG 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 1.02 Power consumption...
  • Page 10 '17 • PAC-T-256 FDE50ZSXVG Model Item Indoor unit FDE50VG 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 1.52 Power consumption Heating 1.46 Max power consumption 2.90...
  • Page 11 '17 • PAC-T-256 FDE60ZSXVG Model Item Indoor unit FDE60VG 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 1.75 Power consumption Heating 1.86 Max power consumption 2.90...

  • Page 12: Duct Connected-Low/Middle Static Pressure Type (Fdum)

    '17 • PAC-T-256 (3) Duct connected-Low / Middle static pressure tpye (FDUM) Model FDUM40ZSXVF Item Indoor unit FDUM40VF 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 0.952...
  • Page 13 '17 • PAC-T-256 Model FDUM50ZSXVF Item Indoor unit FDUM50VF 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 1.38 Power consumption Heating 1.45 Max power consumption...
  • Page 14 '17 • PAC-T-256 Model FDUM60ZSXVF Item Indoor unit FDUM60VF 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 1.54 Power consumption Heating 1.75 Max power consumption...

  • Page 15: Exterior Dimensions

    '17 • PAC-T-256 2. EXTERIOR DIMENSIONS (1) Indoor units (a) Ceiling cassette-4way compact type (FDTC) Models FDTC40VF, 50VF, 60VF PJA003Z338...
  • Page 16 '17 • PAC-T-256 (b) Ceiling suspended type (FDE) Models FDE40VG, 50VG PFA004Z025...
  • Page 17 '17 • PAC-T-256 Model FDE60VG PFA004Z026...
  • Page 18 '17 • PAC-T-256 (c) Duct connected-Low / Middle static pressure type (FDUM) Models FDUM40VF, 50VF Symbol Content Gas piping φ12.7(1／2")(Flare) Liquid piping φ6.35(1／4")(Flare） （Duct dimension） Drain piping VP25(I.D.25, O.D.32) Drain piping Drain hose piece VP20(I.D.20, O.D.26) （Gravity drainage） （Accessory） Hole for wiring （Installed on site）...
  • Page 19 '17 • PAC-T-256 Model FDUM60VF Symbol Content Gas piping φ12.7(1／2")(Flare) Liquid piping （Duct dimension） φ6.35(1／4")(Flare) 4×200=800 Drain piping VP25(I.D.25, O.D.32) Drain piping Drain hose piece VP20(I.D.20, O.D.26) （Gravity drainage） （Accessory） Hole for wiring （Installed on site） Suspension bolts (M10) Outside air opening (φ150)(Knock out) for ducting Air outlet opening...

  • Page 20: Outdoor Units

    '17 • PAC-T-256 (2) Outdoor units Models SRC40ZSX-S, 50ZSX-S, 60ZSX-S RCT000Z020...

  • Page 21: Remote Control (Option Parts)

    '17 • PAC-T-256 (3) Remote control (Option parts) Wired remote control Model RC-EX3 Installation space Exterior appearance Pearl White white (Munsell color) (N8.5) near equivalent allen R/C cable：0.3mm × 2 cores cores cores ‐ cores cores RoHS Adapted to directive PJZ000Z321...
  • Page 22 '17 • PAC-T-256 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 23: Electrical Wiring

    '17 • PAC-T-256 3. ELECTRICAL WIRING (1) Indoor units (a) Ceiling cassette-4 way compact type (FDTC) Models FDTC40VF, 50VF, 60VF PJA003Z340...
  • Page 24 '17 • PAC-T-256 (b) Ceiling suspended type (FDE) Models FDE40VG, 50VG, 60VG PFA004Z028...
  • Page 25 '17 • PAC-T-256 (c) Duct connected-Low / Middle static pressure type (FDUM) Models FDUM40VF, 50VF PJG000Z005...
  • Page 26 '17 • PAC-T-256 Model FDUM60VF PJG000Z028...

  • Page 27: Outdoor Units

    '17 • PAC-T-256 (2) Outdoor units Models SRC40ZSX-S, 50ZSX-S, 60ZSX-S RWC000Z298...

  • Page 28: Noise Level

    Noise level 51 dB (A) at P-HIGH Noise level 51 dB (A) at P-HIGH Noise level 51 dB (A) at P-HIGH 40 dB (A) at HIGH 42 dB (A) at HIGH 43 dB (A) at HIGH 37 dB (A) at MEDIUM 40 dB (A) at MEDIUM 41 dB (A) at MEDIUM 35 dB (A) at LOW...
  • Page 29 '17 • PAC-T-256 (c) Duct connected-Low / Middle static pressure type (FDUM) (c) Duct connected-Low / Middle static pressure type (FDUM) (c) Duct connected-Low / Middle static pressure type (FDUM) (c) Duct connected-Low / Middle static pressure type (FDUM) (c) Duct connected-Low / Middle static pressure type (FDUM) (c) Duct connected-Low / Middle static pressure type (FDUM) Unit Unit...
  • Page 30 Mike position '17 • PAC-T-256 0.8m Unit Mike position (Center & Low points) 4.2 Outdoor units (2) Outdoor units Measured based or JIS B 8616 or JIS C 9612 Mike position: at highest noise level in position as mentined below. Distance from front side 1m Models SRC40ZSX-S, 50ZSX-S Mike position: at highest noise level in position as mentioned below...

  • Page 31: Characteristics Of Fan

    '17 • PAC-T-256 5. CHARACTERISTICS OF FAN Duct connected-Low / Middle static pressure type (FDUM) ・Characteristic FAN (1) shows air flow vs. External Static Pressure (E.S.P.) range where settings of E.S.P. are maximum E.S.P. (100Pa) , 　rated E.S.P., and minimum E.S.P. (10Pa) ・Characteristic FAN (2) shows air flow vs E.S.P.

  • Page 32: Temperature And Velocity Distribution

    '17 • PAC-T-256 6. 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 33 '17 • PAC-T-256 (2) Ceiling suspended type (FDE) Models FDE40, 50VG Cooling Cooling Air flow Air flow P-Hi P-Hi Cooling air flow : P-Hi ：　 ：　 Temperature distribution Temperature distribution Louver position Louver position （℃） （℃） 2.7m 2.7m 2.7m 2.7m 5°...
  • Page 34 '17 • PAC-T-256 Model FDE60 Cooling Air flow P-Hi ：　 Cooling air flow : P-Hi Cooling Air flow P-Hi ：　 Temperature distribution Louver position Temperature distribution Louver position （℃） （℃） 5° 5° Velocity distribution Velocity distribution （m/sec） （m/sec） Heating Air flow P-Hi ：　...

  • Page 35: Piping System

    '17 • PAC-T-256 7. PIPING SYSTEM (1) Single type Models 40, 50, 60 Indoor unit Outdoor unit Cooling cycle Heating cycle Outdoor air Service valve temperature sensor (Gas) (TH2) Gas line (φ12.7) Discharge pipe temperature sensor Flare connecting Check joint (TH3) Temperature sensor Accumulator...
  • Page 36 '17 • PAC-T-256 Preset point of the protective devices Equipped Parts name Mark 40, 50, 60 model unit Temperature sensor ON 63℃ (for protection Thi-R OFF 56℃ overloading in heating) Indoor unit ON 1.0℃ Temperature sensor Thi-R OFF 10℃ (for frost prevention) Temperature sensor ON 63℃...

  • Page 37: Range Of Usage & Limitations

    '17 • PAC-T-256 8. RANGE OF USAGE & LIMITATIONS Operating temperature range See the next page. 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 snow accumulation. The limitations of installation space are shown in the page for outline drawing.
  • Page 38 '17 • PAC-T-256 Operating temperature range ■ Cooling 46℃DB 43℃DB Usage range in cooling -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 39: Selection Chart

    Otherwise protection control by low pressure will be activated much more frequently and it will cause insufficient capacity or breakdown of the compressor in worst case. Capacity tables (1) Ceiling cassette-4way type (FDT) (1) Ceiling cassette-4way compact type (FDTC) (a) Single type FDTC40ZSXVF Model Indoor unit FDTC40VF Outdoor unit SRC40ZSX-S...
  • Page 40 '17 • PAC-T-256 (b) Twin type FDTC60ZSXVF Model Indoor unit FDTC60VF Outdoor unit SRC60ZSX-S FDTC71VNXPVF Model Indoor unit FDTC40VF (2 units) Outdoor unit FDC71VNX Cooling Mode Heating Mode:HC (kW) (kW) Cool Mode Heat Mode:HC (kW) (kW) Indoor air temperature Outdoor Indoor air temperature Indoor air temperature Outdoor...

  • Page 41: Ceiling Suspended Type(Fde)

    Net capacity = Capacity shown in the capacity tables (1.8.1) × Correction factors shown in the table (1.8.2) (1.8.3) (1.8.4). 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 42 4.37 4.28 4.58 4.49 4.90 4.54 5.18 4.94 5.34 4.91 5.51 4.88 5.83 5.19 11.5 7.47 7.41 7.36 7.31 7.26 4.29 4.20 4.50 4.41 4.82 4.50 5.10 4.91 5.26 4.88 5.42 4.85 5.74 5.16 13.5 7.89 7.82 7.76 7.65 7.59 15.5 8.31 8.23 8.15 7.99 7.93 16.5...

  • Page 43: Duct Connected-Low/Middle Static Pressure Type (Fdum)

    '17 • PAC-T-256 (3) Duct connected-Low / Middle static pressure type (FDUM) FDUM40ZSXVF Model Indoor unit FDUM40VF Outdoor unit SRC40ZSX-S 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...
  • Page 44 4.44 4.23 4.65 4.55 4.98 4.42 5.26 4.81 5.43 4.77 5.59 4.73 5.92 5.02 7.12 7.08 7.03 6.98 6.94 7.47 7.41 7.36 7.31 7.26 4.37 4.20 4.58 4.49 4.90 4.39 5.18 4.78 5.34 4.74 5.51 4.70 5.83 4.99 11.5 4.29 4.17 4.50 4.41 4.82 4.36 5.10 4.75 5.26 4.71 5.42 4.67 5.74 4.97 13.5 7.89 7.82 7.76 7.65 7.59 15.5...

  • Page 45: Correction Of Cooling And Heating Capacity In Relation To Air Flow Rate Control (Fan Speed)

    0.897 0.892 0.887 Note (1) Calculate the equivalent length using the following formula. Example : The net cooling capacity of the model FDTC40ZSXVF with the air flow “P-Hi”, the piping length of 15m, the outdoor unit 140 model Note (1) Calculate the equivalent length using the following formula.

  • Page 46: Application Data

    '17 • PAC-T-256 10. APPLICATION DATA PJG012D008C 10.1 Installation of indoor unit DUCT CONNECTED MIDDLE STATIC PRESSURE AIR PJA012D786 PJA012D786B CONDITIONING UNIT INSTALLATION MANUAL (1) Ceiling cassette-4way compact type (FDTC) ○This mode blow type This manual is for the installation of an indoor unit. This manual is for the installation of an indoor unit.
  • Page 47 '17 • PAC-T-256 D786 ① Before installation ③ Preparation before installation D781  Install correctly according to the installation manual.  If suspension bolt becomes longer, do reinforcement of earthquake resistant.  Confirm the following points:  For grid ceiling ...
  • Page 48 and then remove them. Insulatio and then remove them. '17 • PAC-T-256  When fastening the flare nut, align the refrigeration pipe with the center of flare nut, screw the Insulation material  When fastening the flare nut, align the refrigeration pipe with the center of flare nut, screw the Descending nut for 3-4 times by hand and then tighten it by spanner with the specified torque mentioned nut for 3-4 times by hand and then tighten it by spanner with the specified torque mentioned...
  • Page 49 Insulation material Not touching the water Power source side terminal block '17 • PAC-T-256 flare nut, screw the Descending slope greater than 1/100 Insulation material rew the Descending slope greater than 1/100 torque mentioned Earth tioned by a spanner when Wiring between indoor As wide as possible Earth...
  • Page 50 '17 • PAC-T-256 PJA012D783 PANEL INSTALLATION MANUAL Please read this manual together with the indoor unit’s installation manual. WARNING ④ Attaching a corner panel Fasten the wiring to the terminal securely and hold the cable securely so as not to apply unexpected stress on the terminal. •...
  • Page 51 '17 • PAC-T-256 PJA012D783 6. Please rotate a hook, put in the slot on the panel, and carry out fixing the panel ⑦ How to set the air flow direction temporarily. [Figure 4] It is possible to change the movable range of the louver on the air outlet from the wired remote control. Once the top and bottom position is set, the louver will swing within the range between the top and the bottom when swing operation is chosen.

  • Page 52: Ceiling Suspended Type (Fde)

    '17 • PAC-T-256 INSTALLATION MANUAL FOR CEILING SUSPENDED INSTALLATION MANUAL FOR CEILING SUSPENDED PFA012D628 PFA012D628 (2) Ceiling suspended type (FDE) PFA012D628 TYPE (FDE) TYPE (FDE) ①Be ①Be ①B ①B This manual is for the installation of an indoor unit. This manual is for the installation of an indoor unit. CAUTION CAUTION Install...
  • Page 53 '17 • PAC-T-256 2D628 ①Before installation ①Before installation ③Preparation before installation (continued) ※Pipes can be taken out in 3 directions (rear, right or Install correctly according to the installation manual. top). (mm) Con rm the following points: Series type ・ Cut out holes using nippers, etc. Unit type/Power source speci cation Pipes/Wires/Small parts Accessory items...
  • Page 54 '17 • PAC-T-256 ⑤Refrigerant pipe ⑥Drain pipe ⑦Wi ●The drain pipes may pull out either from back, right or left side. Caution FDE ( ●Be sure to use new pipes for the refrigerant pipes. Use the flare nut attached to the product Caution or a nut compatible with JIS B 8607, Class 2.
  • Page 55 '17 • PAC-T-256 ⑪How to set the air flow direction ⑦Wiring-out position and wiring connection (continued) Clip It is possible to change the movable range of the louver on the air outlet from FDE (small) the wired remote control. Once the top and bottom position is set, the louver operly.

  • Page 56: Duct Connected-Low/Middle Static Pressure Type (Fdum)

    '17 • PAC-T-256 PJG012D008B (3) Duct connected-Low / Middle static pressure type (FDUM) DUCT CONNECTED MIDDLE STATIC PRESSURE AIR PJG012D008C PJG012D008C DUCT CONNECTED MIDDLE STATIC PRESSURE AIR CONDITIONING UNIT INSTALLATION MANUAL (a) Indoor unit ○This mode CONDITIONING UNIT INSTALLATION MANUAL ○This mod blow type blow type...
  • Page 57 '17 • PAC-T-256 ○This model is middle static ducted type air-conditioner unit. Therefore, do not use this model for direct ③Preparation before installation blow type air-conditioner unit. ●If suspension bolt becomes longer, do reinforcement of earthquake resistant. ①Before installation 　○For grid ceiling 　　When the suspension bolt length is over 500mm, or the gap between the ceiling and roof is ●Install correctly according to the installation manual.
  • Page 58 '17 • PAC-T-256 ⑤Duct Work (continued) ⑤Duct Work ⑥Re ① A corrugated board (for preventing sputtering) is attached to the main body of the air-conditioner Connecting the air intake/vent ducts 4. Ref (on the outlet port). Do not remove it until connecting the duct. ①Fresh Air Intake ●An air filter can be provided on the main body of the air-conditioner (on the inlet port).
  • Page 59 '17 • PAC-T-256 ⑥Refrigerant pipe (continued) ⑦Drain pipe (continued) 4. Refrigerant is charged in the outdoor unit. 3. Make sure to make descending slope of greater than 1/100 and do not make up-down bend As for the additional refrigerant charge for the indoor unit and piping, refer to the installation and/or trap in the midway.
  • Page 60 '17 • PAC-T-256 ⑧Wiring-out position and wiring connection ⑨External static pressure setting (continued) ● Electrical installation work must be performed according to the installation manual by an ● How to start automatic setting ① , ② Same setting as MANUAL SETTING. electrical installation service provider qualified by a power provider of the country, and be ③...
  • Page 61 '17 • PAC-T-256 (b) Replacement procedure of the fan unit (b) Replacement procedure of the fan unit (b) Replacement procedure of the fan unit (b) Replacement procedure of the fan unit (b) Replacement procedure of the fan unit (b) Replacement procedure of the fan unit (b) Replacement procedure of the fan unit (b) Replacement procedure of the fan unit (b) Replacement procedure of the fan unit...

  • Page 62: Effective Range Of Cool/Hot Wind (Reference)

    '17 • PAC-T-256 (4) Effective range of cool/hot wind (Reference) FDE series Model Effective range FDE40VG, 50VG 7.5m FDE60VG 8.0m [Conditions] 　 1. Height of unit : 2.4 – 3.0 (m) above floor level 2. Fan speed : Hi 3. Location: Free space without obstacles 4.

  • Page 63: Electric Wiring Work Installation

    '17 • PAC-T-256 10.2 Electric wiring work installation PSB012D999 FDTC, FDE, FDUM, series PSBO12D999 ELECTRIC WIRING WORK INSTRUCTION Electrical Wiring Connection ②Remo Electrical wiring work must be performed by an electrician qualified by a local power provider according to ● Electrical wiring work must be performed by an electlician an qualified by a local power ●...
  • Page 64 '17 • PAC-T-256 D999 ②Remote control, wiring and functions ③ Operation and confirmation from remote control al power ● Do not install it on the following places Operation from RC-EX1A Operation from RC-E5 ollowing ①Places exposed to direct sunlight 1 Check the number of units connected in the remote control system. ②Places near heat devices It checks sub units of twin, triple or W-twin connection.
  • Page 65 '17 • PAC-T-256 ⑥ Operation and setting from remote control ⑥ O A: Refer to the instruction manual for RC-EX series. B: Refer to the installation manual for RC-EX series. C: Loading a utility software vie Internet 11． A ○: Nearly same function setting and operations are possible. △: Similar function setting and operations are possible.
  • Page 66 '17 • PAC-T-256 ⑥ Operation and setting from remote control (continued) RC-EX Setting & display item Description RC-E5 series Ａ 11． Administrator settings [Administrator password] ・ Enable/Disable setting of operation can be set. [On/Off] [Change set temp.] [Change operation mode] [Change air flow direction] 1 Enable/Disable setting [Individual flap control setting][Fan speed] [High power operation] [Energy-saving operation] [Timer settings] [Weekly timer setting] Ａ...

  • Page 67: Installation Of Wired Remote Control (Option)

    '17 • PAC-T-256 10.3 Installation of wired remote control (Option) PJZ012A131 (1) Model RC-EX3 　 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 68 '17 • PAC-T-256 　 WARNING Do not install the unit in appropriate environment or where inflammable gas could generate, flow in, accumulate or leak. If the unit is used at places where air contains dense oil mist, steam, organic solvent vapor, corrosive gas (ammonium, sulfuric compound, acid, etc) or where acidic or alkaline solution, special spray, etc.
  • Page 69 '17 • PAC-T-256 　 CAUTION Do not install the remote control at following places. (1) It could cause break-down or deformation of remote control. ・Where it is exposed to direct sunlight ・Where the ambient temperature becomes 0 ° C or below, or 40 ° C or above ・Where the surface is not flat ・Where the strength of installation area is insufficient (2) Moisture may be attached to internal parts of the remote control, resulting in a display...
  • Page 70 '17 • PAC-T-256 　 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 71 '17 • PAC-T-256 　 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 remove the upper case from the bottom cases of R/C ·...
  • Page 72 ブッ シ ング パテで シール する こ と '17 • PAC-T-256 　 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 73 '17 • PAC-T-256 　 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 74 '17 • PAC-T-256 (2) Model RC-E5 Installation manual for wired remote controller PJA012D730 Connect the remote control terminal block. Connect the terminal of rem Read together with indoor unit's installation manual. with the terminal of indoor u WARNING (X and Y are no polarity) Wiring route is as shown in Fasten the wiring to the terminal securely and hold the cable securely so as not to apply unexpected stress on the depending on the pulling ou...
  • Page 75 '17 • PAC-T-256 emote controller Connect the remote control cord to the Sheath Sheath The range of temperature setting Upper Upper terminal block. When shipped, the range of set tempe Connect the terminal of remote control (X,Y) Upper case Upper case Board Board Heating : 16 - 30°C (55 - 86°F)
  • Page 76 '17 • PAC-T-256 PJA012D730 Sheath Sheath The range of temperature setting Upper When shipped, the range of set temperature differs depending on the operation mode as below. pper case 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 77 '17 • PAC-T-256 The functional setting The initial function setting for typical using is performed automatically by the indoor unit connected, when remote control and indoor unit are connected. As long as they are used in a typical manner, there wiil be no need to change the initial settings. If you would like to change the initial setting marked “...
  • Page 78 '17 • PAC-T-256 Note 1: The initial setting marked “ ” is decided by connected indoor and outdoor unit, and is automatically defined as following table. Function No. Item Default Model "Auto-RUN" mode selectable indoor unit. Remote control function02 Indoor unit without "Auto-RUN" mode Indoor unit with two or three step of air flow setting Remote control function06...
  • Page 79 '17 • PAC-T-256 P JA 0 1 2 D 73 0 nd is automatically defined as following table. Operation message How to set function ectable indoor unit. Function description: Function No. Stop air-conditioner and press (SET) (MODE) setting description: uto-RUN" mode buttons at the same time for over three seconds, and the three step of air flow setting "FUNCTION SET...

  • Page 80: Installation Of Outdoor Unit

    '17 • PAC-T-256 10.4 Installation of outdoor unit RWC012A060 Models SRC40ZSX-S, SRC50ZSX-S, SRC60ZSX-S R410A REFRIGERANT USED • This installation manual deals with an outdoor unit installation only. For an indoor unit installation, refer to page 45. SAFETY PRECAUTIONS • Before installation, read the “SAFETY PRECAUTIONS” carefully and strictly follow it during the installa- • B e sure to confirm no operation problem on the equipment after completing the installation. If unusual tion work in order to protect yourself.
  • Page 81 '17 • PAC-T-256 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 82 '17 • PAC-T-256 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 83 '17 • PAC-T-256 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 84: Outline Of Operation Control By Microcomputer

    '17 • PAC-T-256 11. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 11.1 Remote control Model RC-EX3 ⑤ LCD (With backlight) ③ F2 switch ④ Operation ⑥ USB port (mini-B) ① Run/Stop switch ② F1 switch Touch panel system, which is operated by tapping the LCD screen with a finger, is employed for any operations other than the ①Run/Stop, ②F1 and ③F2 switches.
  • Page 85 '17 • PAC-T-256 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 86: Operation Control Function By The Wired Remote Control

    '17 • PAC-T-256 11.2 Operation control function by the wired remote control Model RC-EX3 (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. (c) When the operation mode is selected, the display returns to the TOP screen.
  • Page 87 '17 • PAC-T-256 ●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 88 '17 • PAC-T-256 Model RC-E5 Switching sequence of the operation mode switches of remote control COOL HEAT AUTO 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. Power failure compensation function (Electric power source failure) •...

  • Page 89: Operation Control Function By The Indoor Control

    '17 • PAC-T-256 11.3 Operation control function by the indoor control FDTC, FDE, FDUM series (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 90: Operations Of Functional Items During Cooling/Heating

    '17 • PAC-T-256 (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)  I n case of "Room temperature/Cooling < Indoor return air temperature" and "Outdoor temperature/Cooling < Outdoor air tem- perature"...

  • Page 91: Timer Operation

    '17 • PAC-T-256 Timer operation (a) RC-EX3 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 92: Remote Control Display During The Operation Stop

    '17 • PAC-T-256 Remote control display during the operation stop When the operation is stopped (the power source is turned ON), it displays preferentially the “Room temperature”, “Center/ Remote”, “Filter sign”, “Inspection” and “Timer operation”. Hot start (Cold draft prevention at heating) (a) Operating conditions When either one of following conditions is satisfied, the hot start control is performed.

  • Page 93: Auto Swing Control

    '17 • PAC-T-256 Auto swing control (FDTC, FDE only) Note Even if [Auto Swing] is selected, the louver position with anit draft function is fixed to position 1. (a) RC-EX3 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 94: Thermostat Operation

    '17 • PAC-T-256 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 95: Filter Sign

    '17 • PAC-T-256 (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 96: Drain Pump Control

    '17 • PAC-T-256 (12) 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 97: Cooling, Dehumidifying Frost Protection

    '17 • PAC-T-256 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 98: Anomalous Fan Motor

    '17 • PAC-T-256 (17) Anomalous fan motor After starting the fan motor, if the fan motor speed is 200 min or less is detected for 30 seconds continuously and 4 times within 60 minutes, then fan motor stops with the anomalous stop (E16). (b) If the fan motor fails to reach at -50 min less than the required speed, it stops with the anomalous stop (E20).

  • Page 99: Abnormal Temperature Thermistor (Return Air/Indoor Heat Exchanger) Wire/Short-Circuit Detection

    '17 • PAC-T-256 (20) Abnormal temperature thermistor (return air/indoor heat exchanger) broken wire/short-circuit detection Broken wire detection When the return air temperature thermistor detects -55°C or lower or the heat exchanger temperature thermistor 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 thermistor: E7, the heat exchanger temperature thermistor: E6).
  • Page 100 '17 • PAC-T-256 (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 [(21) (c) Remote operation input] 2 Premission/Prohibition Refer to [(22) Operation permission/prohibition] 3 Cooling/Heating Refer to [(24) Selection of cooling/heating external input function] 4 Emergency stop...

  • Page 101: Operation Permission/Prohibition

    '17 • PAC-T-256 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 102 '17 • PAC-T-256 (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 103: Temporary Stop Input

    '17 • PAC-T-256 (23) 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 → ON : Normal operation CnT-6 or CnTA input Actual operation Temporary stop Temporary stop Remote control...

  • Page 104: Fan Control At Heating Startup

    '17 • PAC-T-256 (25) Fan control at heating startup 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 unit heat exchanger temperature (detected with Thi-R) is 37°C or higher, present number of revolutions of indoor unit fan speed is increased by 10 min...

  • Page 105: Auto Temp. Setting (Rc-Ex3 Only)

    '17 • PAC-T-256 (32) Auto temp. setting (RC-EX3 only) Setting temperature is adjusted automatically at the adequate temperature the center setting temperature. is 24°C by correcting the outdoor air temperature. (33) Fan circulator operation (RC-EX3 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.

  • Page 106: Operation Control Function By The Outdoor Control

    12-78rps 12-86rps 12-98rps 12-106rps 12-120rps (few minutes ON) 12-42rps 12-50rps 12-66rps 12-78rps 12-90rps 4-way valve (3 minutes ON) 12-30rps 12-30rps 12-30rps 12-38rps 12-38rps *It can be set the indoor fan motor off or the heating thermostat OFF with connecting a wired remote control. 12-50rps 12-42rps 12-66rps...

  • Page 107: Cooling High Pressure Control

    (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 108: Heating High Pressure Control

    '17 • PAC-T-256 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. Thi-R<P1 P1≦Thi-R<P2 P2≦Thi-R<P3 P3≦Thi-R Protection control speed (NP) Normal Retention NP-4rps NP-8rps...

  • Page 109: Heating Low Outdoor Temperature Protective Control

    '17 • PAC-T-256 (7) Heating low outdoor 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 110: Current Safe

    SRK50 24 rps 24 rps has elapsed '17 • PAC-T-256 (9) Current safe Purpose Detail of operation (10) Current cut Purpose Detail of operation (11) Outdoor unit failure air-conditioning. item (i), (ii) is satisfied. Once the unit is stopped by this function, it is not '09•SRK-DB-087D '09•SRK-DB-087D (ii)

  • Page 111: Refrigeration Cycle System Protection

    Outdoor fan '17 • PAC-T-256 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 112: Maintenance Data

    '17 • PAC-T-256 12. MAINTENANCE DATA 12.1 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 113 '17 • PAC-T-256 Remote control Indoor control PCB Outdoor control PCB Location of Reference Description of trouble Repair method Green Green trouble page Error code Red LED Red LED Red LED LED (1) LED (1) Fan motor • Indoor fan motor rotation speed anomaly Replacement, repair 1(2)-time Keeps...
  • Page 114 '17 • PAC-T-256 (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 115: Troubleshooting Procedure

    '17 • PAC-T-256 ■ 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 116 '17 • PAC-T-256 PSB012D990 Model FDE, FDUM series PSB012D990B Control PCB Replace and set up the PCB according to this instruction. ① Set to an appropriate address and function using switch on PCB. 　 Select the same setting with the removed PCB. item switch Content of control...
  • Page 117 '17 • PAC-T-256 b) Power PCB This PCB is a general PCB. Replace the PCB according to this instruction. ① Replace the PCB 1. Unscrew terminal of the wiring(yellow/green) connected to Terminal block (CNWO) from the box. 2. Replace the PCB only after all the wirings connected to the connector are removed. 3.
  • Page 118 '17 • PAC-T-256 Model FDTC series PSB012D976C a) Control PCB Replace and set up the PCB according to this instruction. ① Set to an appropriate address and function using switch on PCB. 　 Select the same setting with the removed PCB. item switch Content of control...
  • Page 119 '17 • PAC-T-256 Power PCB PSB012D953A This PCB is a general PCB. Replace the PCB according to this instruction. ① Replace the PCB (refer to right dwg.) 1. Unscrew terminal of the wiring(yellow/green) soldered to PCB from the box. 2. Cut the band that binds the wiring (red and blue) from connector CNW1 and CNW2, and the wiring (yellow/green) from PCB (T2/T3) . (Note 1) (However, do not cut the band that binds only the red and blue wirings.)  ...
  • Page 120 '17 • PAC-T-256 ●DIP switch setting list Switches Description Default setting Remarks Address No. setting at plural indoor units control by 1 R/C SW6-1 SW6-2 Model selection As per model See table 1 SW6-3 SW6-4 Normal * /Test run Test run, Drain motor Normal SW7-1 SW7-2...

  • Page 121: Troubleshooting At The Outdoor Unit

    '17 • PAC-T-256 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.

  • Page 122: Check Of Anomalous Operation Data With The Remote Control

    '17 • PAC-T-256 Check of anomalous operation data with the remote control (a) In case of RC-EX3 remote control [Operating procedure] ➀ On the TOP screen, touch the buttons in the order of “Menu” ➝ “Service setting” ➝ “Service & Maintenance” ➝ “Service password”...
  • Page 123 '17 • PAC-T-256 (b) In case of RC-E5 remote control Number Data Item (Operation Mode) Operation data can be checked with remote control unit operation. (Set Temperature) ➀ Press the button. (Return Air Temperature) The display change “ ” (Remote Control Thermistor Tempeature) (Indoor Heat Exchanger Thermistor / U Bend) ➁...

  • Page 124: Inverter Checker For Diagnosis Of Inverter Output

    '17 • PAC-T-256 (6) Inverter checker for diagnosis of inverter output ●Checking method Model: SRC40-60 1) Setup procedure of checker. a) Power OFF (Turn off the breaker). b) Remove the terminal cover of compressor and disconnect the wires (U, V, W) from compressor. c) Connect the wires U (Red) , V (White) and W (Black) of the checker to the terminal of disconnected wires (U, V, W) from compressor respectively.

  • Page 125: Outdoor Unit Control Failure Diagnosis Circuit Diagram

    '17 • PAC-T-256 (7) Outdoor unit control failure diagnosis circuit diagram Models SRC40ZSX-S, SRC50ZSX-S, 60ZSX-S ◆Check point of outdoor unit CAUTION - HIGH VOLTAGE High voltage is produced in the control box. Don't touch ◆Power source and serial signal inspection electrical parts in the control box for 5 minutes after the : AC220/230/240V unit is stopped.
  • Page 126 '17 • PAC-T-256...

  • Page 127: Troubleshooting Flow

    '17 • PAC-T-256 12.2 Troubleshooting flow (1) List of troubles FDTC, FDE, FDUM series Remote controller display Description of trouble Reference page None Operates but does not cool. None Operates but does not heat. None Earth leakage breaker activated None Excessive noise/vibration (1/3) None Excessive noise/vibration (2/3)

  • Page 128: Troubleshooting

    '17 • PAC-T-256 (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 It is normal. (This unit is designed to start in the soft start mode by detecting the under dome temperature of compressor...
  • Page 129 '17 • PAC-T-256 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 It is normal. (This unit is designed to start in the soft start mode by detecting the under dome temperature of...
  • Page 130 '17 • PAC-T-256 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 131 '17 • PAC-T-256 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 considered that the air- after stopping operation...
  • Page 132 '17 • PAC-T-256 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 133 '17 • PAC-T-256 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 134 '17 • PAC-T-256 Green Content Error code Louver motor failure Keeps flashing Stays OFF Indoor Remote control: None (FDTC and FDE series) Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model FDTC and FDE seriess only Diagnosis Countermeasure L Check at the indoor unit side. Operate after waiting for more than 1 minute.
  • Page 135 '17 • PAC-T-256 Green Error code Content Power source system error Indoor Stays OFF Stays OFF Remote control: None (Power source to indoor unit control PCB) Outdoor Stays OFF 2-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure AC220/240V detected between 1 and 2 on the terminal block...
  • Page 136 '17 • PAC-T-256 Green Content Error code Power source system error Keeps flashing 3-time flash Indoor None Remote control: (Power source to remote control) Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Isn't there any Correct. loose connection of remote control wires? 2.
  • Page 137 '17 • PAC-T-256 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 138 '17 • PAC-T-256 Green Content Error code INSPECT I/U Keeps flashing Stays OFF Indoor INSPECT I/U Remote control: (Connection of 3 units or more remote control) 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 139 '17 • PAC-T-256 Communication error at Green Error code Content initial operation (1/3) Indoor Keeps flashing Stays OFF Remote control: WAIT (Models SRC40-60) Outdoor – 2-time flash 5. Troubleshooting 1. Applicable model Models SRC40-60 Diagnosis Countermeasure When the remote control LCD displays “...
  • Page 140 '17 • PAC-T-256 Communication error at Green Error code Content initial operation (2/3) Indoor Keeps flashing Stays OFF Remote control: WAIT (Models SRC40-60) Outdoor – 2-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure When the fuse is blown, the method to inspect inverter before replacing the power Isn’t there...
  • Page 141 '17 • PAC-T-256 Communication error at Green Error code Content initial operation (3/3) Indoor Keeps flashing Stays OFF Remote control: WAIT (Models SRC40-60) Outdoor – 2-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure When the remote control display is extinguished after the power on.
  • Page 142 '17 • PAC-T-256 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 higher detected at remote control connection...
  • Page 143 '17 • PAC-T-256 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 144 '17 • PAC-T-256 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 145 '17 • PAC-T-256 Green Content Error code Indoor heat exchanger Keeps flashing 1-time flash Indoor Remote control: temperature thermistor 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 thermistor securely.
  • Page 146 '17 • PAC-T-256 Green Content Error code Return air temperature Keeps flashing 1-time flash Indoor Remote control: thermistor anomaly Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the connection of return Correct. ➞ Connect air temperature thermistor connector.
  • Page 147 '17 • PAC-T-256 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 Defective indoor indoor heat exchanger heat exchanger...
  • Page 148 '17 • PAC-T-256 Green Content Error code Drain trouble Keeps flashing 1-time flash Indoor Remote control: (FDTC and FDUM series) Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model FDTC and FDUM Diagnosis Countermeasure series only Check the error data in the remote control. Is there any overflow? Is DC12V at CNI connector.
  • Page 149 '17 • PAC-T-256 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 150 '17 • PAC-T-256 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 151 '17 • PAC-T-256 Green Content Error code Indoor fan motor anomaly Keeps flashing 1(2)-time flash Indoor Remote control: Keeps flashing Stays OFF Outdoor Note (1) Value in (　) is for the FDU, FDUM series FMI2 only. 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any...
  • Page 152 '17 • PAC-T-256 Green Content Error code Indoor unit operation check, Keeps flashing 1-time flash Indoor Remote control: drain 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 153 '17 • PAC-T-256 Green Content Error code Indoor fan motor rotation Keeps flashing 1(2)-time flash Indoor Remote control: speed anomaly Keeps flashing Stays OFF Outdoor Note (1) Value in (　) is for the FDUM series FMI2 only. 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any...
  • Page 154 '17 • PAC-T-256 Green Content Error code Remote control Keeps flashing Stays OFF Indoor Remote control: temperature thermistor anomaly Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure 2. Error detection method Is the remote Correct.
  • Page 155 '17 • PAC-T-256 Green Content Error code Cooling overload operation Keeps flashing Stays OFF Indoor Remote control: – 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure * For the characteristics of outdoor heat exchanger temperature Are normal sensor, refer to E37.
  • Page 156 '17 • PAC-T-256 Green Error code Content Indoor unit control PCB Keeps flashing Stays OFF Discharge pipe Remote control: Outdoor unit control PCB Keeps flashing 1 5 -time flash Yellow temperature error Outdoor unit inverter PCB Keeps flashing Note (1) Value in 　 is for the models SRC40-60. 5.
  • Page 157 '17 • PAC-T-256 Green Outdoor heat Error code Content Indoor unit control PCB Keeps flashing Stays OFF Remote control: exchanger temperature Outdoor unit control PCB Keeps flashing 1 8 -time flash Yellow sensor anomaly Outdoor unit inverter PCB Keeps flashing 5.
  • Page 158 '17 • PAC-T-256 Green Error code Content Indoor unit control PCB Keeps flashing Stays OFF Outdoor air temperature Remote control: Outdoor unit control PCB Keeps flashing 8-time flash Yellow sensor anomaly Outdoor unit inverter PCB Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
  • Page 159 '17 • PAC-T-256 Green Error code Content Indoor unit control PCB Keeps flashing Stays OFF Remote control: Discharge pipe temperature Outdoor unit control PCB Keeps flashing 8-time flash Yellow sensor anomaly Outdoor unit inverter PCB Keeps flashing 5. Troubleshooting 1. Applicable model Diagnosis Countermeasure All models...
  • Page 160 '17 • PAC-T-256 Green Error code Content Service valve (gas side) closing operation Remote control: Indoor Keeps flashing Stays OFF Outdoor 1-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are the Open the valve. service valve (gas side) opened? 2.
  • Page 161 '17 • PAC-T-256 Green Error code Content Indoor unit control PCB Keeps flashing Stays OFF Remote control: Outdoor unti control PCB Keeps flashing 1-time flash Current cut (1/2) Yellow LED Outdoor unit inverter PCB 1-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
  • Page 162 '17 • PAC-T-256 Green Error code Content Indoor Keeps flashing Stays OFF Remote control: Outdoor unti control PCB Keeps flashing 1-time flash Current cut (2/2) Yellow LED Outdoor unit inverter PCB 1-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page...
  • Page 163 '17 • PAC-T-256 Green Error code Content Active filter voltage error Indoor Keeps flashing Stays OFF Remote control: (Models SRC40-60) Outdoor 2-time flash 5. Troubleshooting 1. Applicable model Models SRC40-60 Diagnosis Countermeasure Restore normal condition. Is the power source normal? 2.
  • Page 164 '17 • PAC-T-256 Green Error code Content Outdoor fan motor anomaly Indoor Keeps flashing Stays OFF Remote control: Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any foreign material intervene Remove foreign matter. in rotational area of fan propeller? 2.
  • Page 165 '17 • PAC-T-256 Green Green Error code Error code Content Content Power transistor anomaly Power transistor error Indoor Keeps flashing Stays OFF Remote controller: E51 Remote control: Keeps flashing Stays Off Indoor (Models SRC50, 60) Outdoor 1-time flash 5. Troubleshooting 1.

  • Page 166: 5Kω At 25°C

    '17 • PAC-T-256 Insufficient refrigerant amount Green Error code Content or detection of service valve closure Indoor Keeps flashing Stays OFF Remote control: Outdoor 2-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the Open fully. service valve fully opened? Are the connections of indoor...
  • Page 167 '17 • PAC-T-256 Green Error code Green Content Error code Content Current safe stop Current safe stop Keeps flashing Stays Off Indoor Remote controller: E58 Indoor Keeps flashing Stays OFF Remote control: (Model SRC50, 60) 3 time flash Outdoor ― Outdoor 3-time flash 5.
  • Page 168 '17 • PAC-T-256 Green Error code Content Compressor startup failure Indoor Keeps flashing Stays OFF Remote control: Outdoor 2-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Disconnect the outdoor fan motor Compressor does not start at all. connector and try to startup Neither noise nor vibration cannot be heard Does...

  • Page 169: Applicable Model

    '17 • PAC-T-256 Green Error code Content Compressor rotor lock error Indoor Keeps flashing Stays OFF Remote control: Outdoor 7-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the Check and correct the power source voltage power source voltage Reset the power source and restart operation.

  • Page 170: Technical Information

    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. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom PJA003Z401...
  • Page 171 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. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom PJA003Z401...
  • Page 172 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. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom PJA003Z401...

  • Page 173: Ceiling Suspended Type (Fde)

    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. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom PFA004Z024...
  • Page 174 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. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom PFA004Z024...
  • Page 175 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. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom PFA004Z024...

  • Page 176: Duct Connected-Low/Middle Static Pressure Type (Fdum)

    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. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom PJG000Z159...
  • Page 177 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. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom PJG000Z159...
  • Page 178 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. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom PJG000Z159...

  • Page 179: Option Parts

    '17 • PAC-T-256 14. OPTION PARTS 　(1) Wireless kit 　　(a) FDTC series WIRELESS REMOTE PJA012D791 RCN-TC-24W-E2 PJA012D791 　　　 RCN-TC-24W-E2 201612 CONTROLLER&RECEIVER Note : Following functions of FDTC Type-F indoor unit series are not able to be set with this wireless remote control (RCN-TC-24W-E2). INSTALLATION MANUAL 1.
  • Page 180 '17 • PAC-T-256 WARNING 01612 ● Do not wash the unit with water. It could cause electric shocks, fire, or break-down. ● Use the speci fied cables for wiring, and connect them securely with care to protect electronic parts from external forces. Improper connections or fixing could cause heat generation, fire, etc.
  • Page 181 It could cause electric shocks. '17 • PAC-T-256 ② ③ Preparation before installation (continued) To change setting Master/Slave Insta setting when ① Att 1. Remove the cover by unscrewing two screws from the back of using plural receiver. ② Pu remote controls 2.
  • Page 182 '17 • PAC-T-256 ③ How to install the receiver(continued) Installation of the receiver ① Attach the receiver to the panel according to the panel installation manual. ② Put the wiring in the control box with other wiring as shown below. ③...
  • Page 183 '17 • PAC-T-256 ④ ④ Wireless remote control 2. Se Installation tips for the remote control holder Fix the remote control holder using the screws supplied with this product. * Precautions for installing the holder Holder for Wood screw FAN S remote control ●...
  • Page 184 '17 • PAC-T-256 ④ Wireless remote control (continued) 2. Setting details The following functions can be set. Fun speed setting : Standard FAN SPEED Fun speed setting : Setting 1 * Fun speed setting : Setting 2 * Room heating temperature adjustment : Disable Room heating temperature adjustment : +1°C MODE Room heating temperature adjustment : +2°C...
  • Page 185 '17 • PAC-T-256 ⑤ ⑤ Receiver 2. Cor 1 Control plural indoor units with one remote control Restrictions on the thickness and length of wire in a (Maximun total extension 600m.) Up to 16 indoor units can be connected. Standard Within 0.3 mm²...
  • Page 186 '17 • PAC-T-256 ⑤ Receiver (continued) 2. Correlation between illuminance at the receiver and reachable area of the signal The receivable area of the signal when the illuminance in a plain view. at the receiver is 300lux The drawing in the right shows the correlation between the reachable area of the signal and illuminance at the receiver when the wireless remote...

  • Page 187: (B) Fde Series (Rcn-E-E2)

    PFA012D630 '17 • PAC-T-256 　　　(b) FDE series PFA012D630 　　　 RCN-E-E2 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. Safety precautions WARNING Failure to follow these instructions properly may result in serious consequences such as death, severe injury, etc.
  • Page 188 '17 • PAC-T-256 WARNING ● Do not wash the unit with water. It could cause electric shocks, fire, or break-down. ● Use the speci fied cables for wiring, and connect them securely with care to protect electronic parts from external forces. Improper connections or fixing could cause heat generation, fire, etc.
  • Page 189 It could cause electric shocks. '17 • PAC-T-256 ② ③ Preparation before installation (continued) To change setting Master/Slave The re setting when CAUT 1. Remove four screws located on the back of the receiver and using plural detach the board. remote controls 2.
  • Page 190 '17 • PAC-T-256 ③ How to install the receiver The receiver can be installed by replacing with a cover of the panel. CAUTION: When installing the receiver after unit has been fixed, injury due to falling may result because of working at high place. ①...
  • Page 191 '17 • PAC-T-256 ④ ④ Wireless remote control 2. Se Installation tips for the remote control holder Fix the remote control holder using the screws supplied with this product. * Precautions for installing the holder Holder for Wood screw remote control FAN S ●...
  • Page 192 '17 • PAC-T-256 ④ Wireless remote control (continued) 2. Setting details The following functions can be set. Fun speed setting : Standard FAN SPEED Fun speed setting : Setting 1 * Fun speed setting : Setting 2 * Room heating temperature adjustment : Disable Room heating temperature adjustment : +1°C MODE Room heating temperature adjustment : +2°C...
  • Page 193 '17 • PAC-T-256 ⑤ ⑤ Receiver Wire 1 Control plural indoor units with one remote control Restrictions on the thickness and length of wire (Maximun total extension 600m.) Up to 16 indoor units can be connected. 1. St Standard Within 0.3 mm² × 100m 1.
  • Page 194 '17 • PAC-T-256 ⑤ Receiver (continued) Wireless remote control's operable area 1. Standard signal receiving range 2. Points for attention in connecting a plural [Condition] number of indoor units Illuminance at the receiver area: 360 lux. [Condition] (When no lighting fixture is located within 1m Illuminance at the receiver area: 360 lux.

  • Page 195: (C) Fdum Series (Rcn-Kit4-E2)

    PJZ012D112 '17 • PAC-T-256 　　　(c) FDUM series PJZ012D112 　　　 RCN-KIT4-E2 Safety precautions ●Please read this manual carefully before starting installation work to install the unit properly. Safety precautions Every one of the followings is important information to be observed strictly. WARNING Failure to follow these instructions properly may result in serious consequences ●Please read this manual carefully before starting installation work to install the unit properly.
  • Page 196 '17 • PAC-T-256 WARNING ● Do not wash the unit with water. It could cause electric shocks, fire, or break-down. ● Use the specified cables for wiring, and connect them securely with care to protect electronic parts from external forces. Improper connections or fixing could cause heat generation, fire, etc.
  • Page 197 It could cause electric shocks. '17 • PAC-T-256 ② ③ Preparation before installation (continued) To change setting Master/Slave setting when using ⑤ Tak plural remote controls ⑥ Fit 1. Remove one screws located on the under of the receiver and detach the board.
  • Page 198 '17 • PAC-T-256 ③ How to install the receiver(continued) ⑤ Take out the connector to the backside from the hole of the lower case putting through the wiring at ①. ⑥ Fit the upper case and the lower case, and tighten the screws. (B) Installation with enclosed bracket Use this method when installaing onto a gypsum board (7 to 18mm), etc.
  • Page 199 '17 • PAC-T-256 ③ ④ How to install the receiver (continued) Chan (C) Exposed installation How t Use the following procedure when installing the case with the wiring exposed. The A Cord clamp pump Wiring When Band (enclosed) remot Fix with band To dis button Hole...
  • Page 200 '17 • PAC-T-256 ④ Wireless remote control (continued) Changing the wireless remote control setting How to change the Auto Run setting The Auto Run mode is not available on the building air-conditioner and gas heat pump series (excluding the cooling/heating free multi system). When using the wireless remote control to operate those models, set the wireless remote control to disable the Auto Run mode.
  • Page 201 '17 • PAC-T-256 ⑤ ⑤ Receiver (continued) For the shop series For VRF series, set the indoor unit address with SW1, SW2 and SW5-2 on the indoor unit PCB from [000] to [127] so as not to duplicate. Terminal block Indoor unit (1) Indoor unit (2) Indoor unit (16)
  • Page 202 [0] to [F] so as not to duplicate. Within 2.0 mm² × 600m '17 • PAC-T-256 ⑤ Receiver (continued) The receivable area of the signal when the illuminance at the receiv er is 300lux. The receivable area of the signal when the illuminance at the receiv er is 600lux.

  • Page 203: Simple Wired Remote Conrol (Rch-E3)

    '17 • PAC-T-256 　　(2) Simple wired remote control (RCH-E3) Notes: 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 control sensor ON/OFF button Operation/Inspection lamp...
  • Page 204 '17 • PAC-T-256 MITSUBISHI HEAVY INDUSTRIES,LTD. AIR-CONDITIONING & REFRIGERATION SYSTEMS HEADQUARTERS Remote control installation dimensions In case of embedding wiring 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 205 '17 • PAC-T-256 In case of exposing cord Simple Remote Control Installation Manual PJZ012D069 ⑴　 Make certain to remove a screw on the bottom surface of the remote control. Read together with indoor unit's installation manual. WARNING ⑴ ● Fasten the wiring to the terminal securely and hold the cable securely so as not to apply Screw ⑵　Remove the upper case of the remote control.
  • Page 206 '17 • PAC-T-256 3. Master/ slave setting when more than one remote control are used 3. Master/ slave setting when more than one remote control are used ⑴　 Up to two remote controls can be connected to one unit (or one group) of indoor unit. ⑴　...
  • Page 207 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 208 ct failure. “88” blinks on the temperature setting indicator. (blinking for approximately 2 to 10 seconds while × 2 cores data is read) Then, the return air temperature is displayed. When AIR CON No. is pressed, return × 2 cores to the indoor unit selection display (example, “U 000”).

  • Page 209: Oa Spacer (Fdtc Series)

    '17 • PAC-T-256 INSTALLATION INSTRUCTION OF OA SPACER FOR FDTC INDOOR UNIT 　　(3) OA spacer (FDTC series) PJZ012D074 This manual describes the installation methods for OA spacer (TC-OAS-E) and the duct joint (TC-OAD-E). ◎This OA spacer is designed for assembling on the indoor unit (FDTC Series), not for be using independently. FDTCA151R, 201R, FDTCA22-56KXE4R, FDTC22-56KXE6 Application model FDTC22-56KXE6A, FDTC22-56KXE6B, FDTC22-56KXE6D...
  • Page 210 '17 • PAC-T-256 ② Prior study before installation (Usage limitation) (1) Temperature conditions for OA spacer ・ Adjust the temperature conditions of mixed air with outdoor air and indoor air within the usage range of suction air temperature for the air-conditioner. ・...
  • Page 211 '17 • PAC-T-256 ④ Installation of OA spacer on the indoor unit OA spacer can be installed regardless whether the indoor unit has already been hanged or not. (It is recommended to install before hanging the unit for convenience of installation.) 1-1.
  • Page 212 '17 • PAC-T-256 ⑤ Installation of indoor unit Work procedure 1. This units is designed for 2 x 2 grid ceiling. If necessary, please detach the T bar temporarily before you install it. If it is installed on a ceiling other than 2 x 2 grid ceiling, provide an inspection port on the control box side. 2.

  • Page 213: Duct Joint (Fdtc Series)

    '17 • PAC-T-256 DUCT JOINT FOR FDTC 　　(4) Duct joint (FDTC series) PJZ012D073 PJZ012D073 ● This product is used by assembling on the spacer (TC-OAS-E) 1.Before installation Confirm the following parts are included: ● Insulation 1 Insulation 2 Duct joint Screw (120 ×...

  • Page 214: Filter Kit (Fdum Series)

    PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating...
  • Page 215 '17 • PAC-T-256 3. Installation P oints 3. Installation Points (1) Stick the insulation on both inner sides of the duct, leaving no space up and down. (Unit inside) BOTTOM Insulation Sticking standard position for insulation Duct (Unit outside) Duct Insu lation Insulation...

  • Page 216: Superlink E Board (Sc-Adna-E)

    '17 • PAC-T-256 　　(6) Superlink E board (SC-ADNA-E)
  • Page 217 '17 • PAC-T-256...
  • Page 218 Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. 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. © Copyright MITSUBISHI HEAVY INDUSTRIES, LTD.

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