Page 1 Manual No.'12•PAC-T-178 Revision : Lot10 data ( P351〜355 ) December 26, 2012 (Split system, air to air heat pump type) FDU71VNXVF1 FDU100VNVF1 FDU100VSVF1 FDU100VNXVF1 FDU125VNVF FDU100VSXVF1 FDU125VSVF FDU125VNXVF FDU140VNVF FDU125VSXVF FDU140VSVF FDU140VNXVF FDU140VSXVF Service code Changes History of service code Indoor unit All FDU History of service code...
Page 2 '12 • PAC-T-178 TABLE OF CONTENTS 1. HYPER INVERTER ..................002 2. MICRO INVERTER ..................181 3. OPTION PARTS ..................336 ＜For EU/EEA area only＞ Based on the European regulation listed below, please refer to the following specification table. 1. The European regulation Regulation ( EU ) No 626/2011 of 4 May 2011 : energy labeling of air-conditioners.
Page 3 '12 • PAC-T-178 1 HYPER INVERTER CONTENTS 1.1 SPECIFICATIONS ..................1.2 EXTERIOR DIMENSIONS ................12 (1) Indoor units ................... 12 (2) Outdoor units ..................14 (3) Remote control (Option parts) ............... 16 1.3 ELECTRICAL WIRING ................19 (1) Indoor units ...................
Page 4 '12 • PAC-T-178 (13) Operation check/drain pump test run operation mode ......94 (14) Cooling, dehumidifying frost protection ..........95 (15) Heating overload protection ..............95 (16) Anomalous fan motor ................95 (17) Plural unit control - Control of 16 units group by one remote control ....96 (18) High ceiling control ................
Page 5 '12 • PAC-T-178 ....128 (5) Check of anomalous operation data with the remote control (6) Power transistor module (including the driver PCB) inspection procedure ..130 (7) Inverter checker for diagnosis of inverter output ........131 (8) Outdoor unit control failure diagnosis circuit diagram ......132 1.11.2 Troubleshooting flow .................135...
Page 6 '12 • PAC-T-178 1.1 SPECIFICATIONS Adapted to RoHS directive FDU71VNXVF1 Model Item Indoor unit FDU71VF1 Outdoor unit FDC71VNX Power source 220-240V~50Hz / 220V~60Hz Operation data Cooling Heating Nominal capacity 7.1 [3.2 (Min.)~8.0 (Max.)] 8.0 [3.6 (Min.)~9.0 (Max.)] Power consumption 2.05 2.01 Running current 9.1 / 9.5...
Page 7 '12 • PAC-T-178 Adapted to RoHS directive FDU100VNXVF1 Model Item Indoor unit FDU100VF1 Outdoor unit FDC100VNX Power source 220-240V~50Hz / 220V~60Hz Operation data Cooling Heating Nominal capacity 10.0 [4.0 (Min.)~11.2 (Max.)] 11.2 [4.0 (Min.)~12.5 (Max.)] Power consumption 2.68 3.02 Running current 12.0 / 12.5 13.5 / 14.1 Power factor...
Page 8 '12 • PAC-T-178 Adapted to RoHS directive FDU100VSXVF1 Model Item Indoor unit FDU100VF1 Outdoor unit FDC100VSX Power source 380-415V 3N~50Hz / 380V 3N~60Hz Operation data Cooling Heating Nominal capacity 10.0 [4.0 (Min.)~11.2 (Max.)] 11.2 [4.0 (Min.)~16.0 (Max.)] Power consumption 2.68 3.02 Running current 4.0 / 4.2...
Page 9 '12 • PAC-T-178 Adapted to RoHS directive FDU125VNXVF Model Item Indoor unit FDU125VF Outdoor unit FDC125VNX Power source 220-240V~50Hz / 220V~60Hz Operation data Cooling Heating Nominal capacity 12.5 [5.0 (Min.)~14.0 (Max.)] 14.0 [4.0 (Min.)~17.0 (Max.)] Power consumption 3.49 3.77 Running current 15.5 / 16.2 16.8 / 17.6 Power factor...
Page 10 '12 • PAC-T-178 Adapted to RoHS directive FDU125VSXVF Model Item Indoor unit FDU125VF Outdoor unit FDC125VSX Power source 380-415V 3N~50Hz / 380V 3N~60Hz Operation data Cooling Heating Nominal capacity 12.5 [5.0 (Min.)~14.0 (Max.)] 14.0 [4.0 (Min.)~18.0 (Max.)] Power consumption 3.49 3.77 Running current 5.2 / 5.5...
Page 11 '12 • PAC-T-178 Adapted to RoHS directive FDU140VNXVF Model Item Indoor unit FDU140VF Outdoor unit FDC140VNX Power source 220-240V~50Hz / 220V~60Hz Operation data Cooling Heating Nominal capacity 14.0 [5.0 (Min.)~14.5 (Max.)] 16.0 [4.0 (Min.)~18.0 (Max.)] Power consumption 4.28 4.42 Running current 19.2 / 20.1 19.8 / 20.7 Power factor...
Page 12 '12 • PAC-T-178 Adapted to RoHS directive FDU140VSXVF Model Item Indoor unit FDU140VF Outdoor unit FDC140VSX Power source 380-415V 3N~50Hz / 380V 3N~60Hz Operation data Cooling Heating Nominal capacity 14.0 [5.0 (Min.)~14.5 (Max.)] 16.0 [4.0 (Min.)~20.0 (Max.)] Power consumption 4.28 4.42 Running current 6.4 / 6.7...
Page 13 '12 • PAC-T-178 1.2 EXTERIOR DIMENSIONS (1) Indoor units Model FDU71VF1 Symbol Content Gas piping φ15.88（5／8"）（Flare） Liquid piping φ9.52（3／8"）（Flare） VP25（I.D.25,O.D.32） Drain piping （Duct dimension） Drain piping VP20（I.D.20,O.D.26）（Gravity drainage） Hole for wiring Suspension bolts （M10） Outside air opening （Knock out） for ducting Air outlet opening （Knock out）...
Page 14 '12 • PAC-T-178 Models FDU100VF1, 125VF, 140VF Symbol Content Gas piping 1280 （Duct dimension） φ15.88（5／8"）（Flare） Liquid piping φ9.52（3／8"）（Flare） VP25（I.D.25,O.D.32） Drain piping 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 （Knock out）...
Page 15 Notes Symbol Content （1） It must not be surrounded by walls on the four sides. （2） The unit must be fixed with anchor bolts. An anchor bolt must not Service valve connection（gas side） φ15.88（5／8"）（Flare） protrude more the 15mm. Service valve connection（liquid side） φ9.52（3／8"）（Flare）...
Page 16 Notes Symbol Content （1） It must not be surrounded by walls on the four sides. （2） The unit must be fixed with anchor bolts. An anchor bolt must not Service valve connection of the φ15.88（5／8"）（Flare） protrude more than 15mm. attached connecting pipe（gas side）（3）...
Page 17 '12 • PAC-T-178 (3) Remote control (Option parts) (a) Wired remote control Model RC-E5 Wiring outlet Cut off the upper thin part of remote control lower case with a nipper or knife, and grind burrs with a file etc. Exposed mounting In case of pulling out In case of pulling out from upper left...
Page 18 '12 • PAC-T-178 Model : RC-EX1A Installation space Exterior appearance Pearl White (Munsell color) (N8.5) near equivalent R/C cable：0.3mm × 2-core RoHS Adapted to directive PJZ000Z297...
Page 19 '12 • PAC-T-178 (b) Wireless remote control (RCN-E1R) Unit: mm...
Page 20 CNB～Z Connector Drain motor F1,4 Fuse Fan motor Control PCB Float switch t° Reactor Remote control LED・2 Indication lamp（Green-Normal operation） t° LED・3 Indication lamp（Red-Inspection） t° Remote control communication address t° Plural units Master／Slave setting LED・2 LED・3 Model capacity setting Power PCB SW7-1 Operation check, Drain motor test run t°...
Page 21 CNB～Z Connector Drain motor F1,3,4 Fuse Fan motor（with thermostat） Float switch Remote control Control PCB Reactor t° LED・2 Indication lamp（Green-Normal operation） t° LED・3 Indication lamp（Red-Inspection） t° LED・2 LED・3 Remote control communication address Power PCB CNW0 t° Connecting line between Plural units Master／Slave setting YE／GN F1（6.3A）...
Page 22 Item Description POWER SOURCE 1～220ｰ240V 50Hz／1～220V 60Hz Compressor motor FM01 Fan motor F（20A） Crankcase heater Drain pan heater TO INDOOR UNIT Auxilliary relay（for CH） 52X1 POWER WIRES 52X3 Auxilliary relay（for 20S） MCCB SIGNAL WIRE YE／GN 52X4 Auxilliary relay（for DH） F6（5A） ELCB Solenoid valve for 4 way valve N／F PWB3...
Page 23 Item Description Mark Color CnA～Z Connector POWER SOURCE 1～220ｰ240V 50Hz／1～220V 60Hz Black Crankcase heater Blue F（30A） F（8A） Drain pan heater Brown TO INDOOR UNIT NOISE FILTER Compressor motor PWB3 Green POWER WIRES Current sensor SIGNAL WIRE YE／GN Gray F（4A） Diode module Pink Fuse FMO1...
Page 24 POWER SOURCE 3N～380ｰ415V 50Hz Item Description Crankcase heater F（8A） Compressor motor CnA～Z Connector NOISE FILTER PWB3 Current sensor YE／GN CN2-1 INVERTER Drain pan heater PWB2 AC1 AC2 AC3 Diode module Fuse （WH） FMo1,2 Fan motor CNW2 （WH） Intelligent power module F（4A）...
Page 25 '12 • PAC-T-178 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) Indoor units Unit Measured based on JIS B 8616...
Page 26 '12 • PAC-T-178 Model FDC100VNX,100VSX Cooling noise level 48 dB (A) Heating noise level 50 dB (A) 1000 2000 4000 8000 1000 2000 4000 8000 Mid Octave Band Frequency (Hz) Mid Octave Band Frequency (Hz) Models FDC125VNX,125VSX Heating noise level 50 dB (A) Cooling noise level 48 dB (A) 1000 2000...
Page 27 '12 • PAC-T-178 1.5 CHARACTERISTICS OF FAN ・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. (SW8-4 OFF : 150Pa, SW8-4 ON : 200Pa), rated E.S.P., and minimum E.S.P. (SW8-4 OFF : 80Pa, SW8-4 ON : 10Pa) ・Characteristic FAN (2) shows air flow vs.
Page 28 '12 • PAC-T-178 Model FDU100VF1 ■SW8-4 : OFF (Range of use limitation : Setting 80Pa-150Pa) Characteristic FAN (1) Characteristic FAN (2) Range of approvable air flow In case actual E.S.P. correspond setting of E.S.P. Setting 150Pa P-Hi P-Hi Setting 120Pa P-Hi Setting 80Pa Air flow (m...
Page 29 '12 • PAC-T-178 Model FDU125VF ■SW8-4 : OFF (Range of use limitation : Setting 80Pa-150Pa) Characteristic FAN (1) Characteristic FAN (2) Range of approvable air flow In case actual E.S.P. correspond setting of E.S.P. Setting 150Pa P-Hi Setting 120Pa P-Hi P-Hi Setting 80Pa Air flow (m...
Page 30 '12 • PAC-T-178 Model FDU140VF ■SW8-4 : OFF (Range of use limitation : Setting 80Pa-150Pa) Characteristic FAN (1) Characteristic FAN (2) Range of approvable air flow In case actual E.S.P. correspond setting of E.S.P. P-Hi Setting 150Pa Setting 120Pa P-Hi P-Hi Setting 80Pa 45 4850...
Page 31 (Heat exchanger) Receiver (ThI-R1) Electronic Service valve expansion valve Flare connecting (Flare connecting) (EEV) Capillary tube '12 • PAC-T-178 Liquid line Strainer Strainer (φ6.35) 1.6 PIPING SYSTEM Models 71, 100, 125, 140 Indoor unit Outdoor unit Cooling cycle Heating cycle Check joint 4way valve Thermistor...
Page 32 '12 • PAC-T-178 1.7 RANGE OF USAGE & LIMITATIONS See the 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 33 '12 • PAC-T-178 Operating temperature range ■ Cooling 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 airflow rate.
Page 34 '12 • PAC-T-178 Limitation on unit and piping installation - single. Marks appearing Descriptions Model for outdoor units Dimensional limitations in the drawing ≦ 50m One-way pipe length ≦ 100m 100・125・140 When outdoor unit is ≦ 30m positioned higher 100・125・140 Elevation difference between indoor and outdoor units When outdoor unit is ≦ 15m positioned lower...
Page 35 '12 • PAC-T-178 1.8 SELECTION CHART 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 (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 36 '12 • PAC-T-178 FDU100VSXVF1 Model Indoor unit FDU100VF1 Outdoor unit FDC100VSX Cool Mode Heat Mode:HC (kW) (kW) Indoor air temperature Outdoor Indoor air temperature Outdoor air temp. 18℃DB 21℃DB 23℃DB 26℃DB 27℃DB 28℃DB 31℃DB 33℃DB ℃DB air temp. 12℃WB 14℃WB 16℃WB 18℃WB 19℃WB...
Page 37 '12 • PAC-T-178 FDU125VSXVF Model Indoor unit FDU125VF Outdoor unit FDC125VSX Cool Mode Heat Mode:HC (kW) (kW) Indoor air temperature Outdoor Indoor air temperature Outdoor air temp. 18℃DB 21℃DB 23℃DB 26℃DB 27℃DB 28℃DB 31℃DB 33℃DB ℃DB air temp. 12℃WB 14℃WB 16℃WB 18℃WB 19℃WB...
Page 38 '12 • PAC-T-178 FDU140VSXVF Model Indoor unit FDU140VF Outdoor unit FDC140VSX Cool Mode Heat 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 ℃DB air temp. 12℃WB 14℃WB 16℃WB 18℃WB 19℃WB...
Page 39 '12 • PAC-T-178 [References data] 　Capacity variation against outdoor and indoor temperature at rated capacity condition. Models SRC40, 50, 60ZJX-S Model FDC71VNX ① Cooling ① Cooling Indoor air Indoor air temperture 24℃WB temperture 24℃WB Indoor air Indoor air temperture 19℃WB temperture 19℃WB Indoor air temperture 15℃WB...
Page 40 '12 • PAC-T-178 Models FDC100, 125, 140VNX, 100, 125, 140VSX ① Cooling Indoor air temperture 24℃WB Indoor air temperture 19℃WB Indoor air temperture 15℃WB Indoor air temperture 12℃WB Indoor air temperture 17℃WB Outdoor air temperature (℃DB) ② Heating Outdoor air temperture 10℃WB Outdoor air temperture 18℃WB...
Page 41 '10 • PAC-DB-136 '12 • PAC-T-178 1.8.2 Correction of cooling and heating capacity in relation to air flow rate control (fan speed) P-Hi or Hi Fan speed 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 42 '10 • PAC-DB-136 '12 • PAC-T-178 Piping length limitations Model 100, 125, 140 Item 100m Max. one way piping length Outdoor unit is higher 30m Max. vertical height difference Outdoor unit is lower 15m Note (1) Values in the table indicate the one way piping length between the indoor and outdoor units. How to obtain the cooling and heating capacity Example : The net cooling capacity of the model FDU100VNXVF1 with the air flow “P-High”, the piping length of 15m, the outdoor unit located 5m lower than the indoor unit, indoor wet-bulb temperature at 19.0℃...
Page 43 '12 • PAC-T-178 1.9 APPLICATION DATA PJG012D004 1.9.1 Installation of indoor unit PJG012D004 DUCT CONNECTED HIGH STATIC PRESSURE AIR (1) Indoor unit CONDITIONING UNIT INSTALLATION MANUAL ○This model i blow type ai This manual is for the installation of an indoor unit. CAUTION For electrical wiring work (Indoor), refer to page 48.
Page 44 '12 • PAC-T-178 ○This model is middle static ducted type air conditioning unit. Therefore, do not use this model for direct ③Preparation before installation blow type air conditioning 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 45 '12 • PAC-T-178 ⑤ ⑦ ⑤ ① ① ● ● ○ ● ② ● ● ● ● ● ○ ● ● ● ② ● ○ ③ ● ● ● ○ ● ⑥ ● 　　・　・ ● ● ④ 　 ●...
Page 46 '12 • PAC-T-178 ⑦ ⑦ ● ● ● ● ● ● ● ● ● ● ※ ● ● ● ● ● ● ● ※ PJG012D004...
Page 47 '12 • PAC-T-178 ⑧Wiring-out position and wiring connection ⑩Check list after installation ●Check the following items after all installation work completed. ● Electrical installation work must be performed according to the installation manual by an electrical installation service provider qualiﬁed by a power provider of the country, and be Check if Expected trouble Check...
Page 48 '12 • PAC-T-178 (2) Replacement procedure of the fan unit Notes(1) The unit is a heavy item. It must be supported securely and handled with care not to drop when it is necessary to replace. (2) For the maintenance space, refer to page 43. (a) Model FDU71VF1 (i) Remove the control box and the side panel, and remove (ii) Take out the fan unit in the arrow direction.
Page 49 '12 • PAC-T-178 PSB012D994 PSBO12D994 ELECTRIC WIRING WORK INSTRUCTION 1.9.2 Electric wiring work installation Electrical Wiring Connection ②Rem Electrical wiring work must be performed by an electrician qualiﬁed by a local power provider according to ● Use three-core cable as wiring between indoor and outdoor unit. As for detail, refer to "INSTAL- ●...
Page 50 '12 • PAC-T-178 2D994 ②Remote Control, Wiring and functions ③Trial operation "INSTAL- ● DO NOT install it on the following places The method of trial cooling operation ①Places exposed to direct sunlight ②Places near heat devices Operate the remote control unit as follows. ucting of 1.
Page 51 '12 • PAC-T-178 ④Function Setting by Remote Control ⑤ The functional setting Note 1: The initial setting marked “ ” is decided by connected indoor and outdoor unit, and is automatically ● deﬁned as following table. The initial function setting for typical using is performed automatically for a remote control unit and an indoor unit by the door unit connected, when Function No.
Page 52 '12 • PAC-T-178 ⑤Control mode switching nected indoor and outdoor unit, and is automatically The control content of indoor units can be switched in following way. ( is the default setting) ● Switch No. Control Content Model o-RUN" mode selectable indoor unit. Indoor unit address (0-Fh) or unit without "Auto-RUN"...
Page 53 '12 • PAC-T-178 1.9.3 Installation of wired remote control (option) Installation manual for wired remote controller PJA012D730 Connect the remote control (1) Model RC-E5 terminal block. Connect the terminal of rem Read together with indoor unit's installation manual. with the terminal of indoor u (X and Y are no polarity) WARNING Wiring route is as shown in...
Page 54 '12 • PAC-T-178 remote 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 tem Connect the terminal of remote control (X,Y) Upper case Upper case Board Board Heating : 16 ~ 30˚C (55 ~ 86˚F)
Page 55 '12 • PAC-T-178 PJA0 12 D730 Sheath Sheath The range of temperature setting Upper When shipped, the range of set temperature differs depending on the operation mode as below. Upper 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 56 '12 • PAC-T-178 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 57 '12 • PAC-T-178 Note 1: The initial setting marked “ ” is decided by connected indoor and outdoor unit, and is automatically defined as following table. Item Function No. 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 58 '12 • PAC-T-178 PJA0 12 D73 0 and is automatically defined as following table. Operation message How to set function Function description: electable indoor unit. Function No. Stop air-conditioner and press (SET) (MODE) setting description: Auto-RUN" mode buttons at the same time for over three seconds, and the or three step of air flow setting "FUNCTION SET "...
Page 59 '12 • PAC-T-178 (2) Model RC-EX1A PJZ012D077 eco touch REMOTE CONTROL RC-EX1A INSTALLATION MANUAL...
Page 60 '12 • PAC-T-178 1 . Safety Precautions This installation manual describes the installation methods and precautions related to the remote control. Use this manual together with the user’s manuals for the indoor unit, outdoor unit and other optional equipment. Please read this manual carefully before starting the installation work to install the unit properly.
Page 61 '12 • PAC-T-178 When installing the unit at a hospital, telecommunication facility, etc., take measures to suppress electric noises. It could cause malfunction or break-down due to hazardous effects on the inverter, private power generator, high frequency medical equipment, radio communication equipment, etc. The influences transmitted from the remote control to medical or communication equipment could disrupt medical activities, video broadcasting or cause noise interference.
Page 62 '12 • PAC-T-178 2 . Accessories & Prepare on site R/C main unit, wood screw (ø3.5 x 16) 2 pcs Accessories User’s Manual, Installation Manual Parts procured at site When the cable length is longer than Item name Q’ty Remark 100 m, the max size for wires used Switch box in the R/C case is 0.5 mm...
Page 63 '12 • PAC-T-178 Request Be sure not to install R/C at a place where temperatures around the installation surface of R/C may differ largely from actual room temperature. Difference between detected temperature and actual room temperature could cause troubles. The correction for detected temperature by the R/C cannot offset such temperature difference because it corrects the detected temperatures itself.
Page 64 '12 • PAC-T-178 ④ W hen wires are passed through the bottom case, ﬁx the bottom case at 2 places on the switch box. Upper side Upper side Switch box Switch box for 1 pc for 2 pcs Cut out the thin wall part at the screw mounting Bottom case...
Page 65 '12 • PAC-T-178 If the hole is cut too large, moisture, dust or insects may enter. Seal gaps with putty or the like. ④ Fix the bottom R/C case on a ﬂat surface with wood screws. ⑤ I n case of the upper center, p a s s t h e w i r i n g b e h i n d 120mm...
Page 66 '12 • PAC-T-178 Note: Connection to personal computer It can be set from a personal computer via the USB port (mini-B). Connect after removing the cover for USB port of upper case. Replace the cover after use. If dust, insect, etc. enters, it could cause electric shocks or breakdown.
Page 67 1.9.4 Installation of outdoor (1) Model FDC71VNX PSB012D909G 3) Selection o PSB012D909G Be sure to select a 〇 A place where i Inverter driven single split PAC INSTALLATION MANUAL FOR OUTDOOR UNIT 〇 A place where i 〇 A place where t 〇...
Page 68 Failure to shut off the power can cause electric shocks, unit failure or incorrect function of equipment. personal injury. ● Be sure to use the cables conformed to safety standard and cable ampacity for power distribution work. One-way pipe len ●...
Page 69 3) Selection of installation location for the outdoor unit 5) Installation space D909G ● Be sure to select a suitable installation place in consideration of following conditions. Walls surrounding the unit in the four sides are not acceptable. 〇 A place where it is horizontal, stable and can endure the unit weight and will not allow vibration transmittance of the unit. ●...
Page 70 One-way pipe length of refrigerant piping L1＋L1＋L2 Outdoor unit Model 71V 50m or less nt, burn or electric Main pipe length − L1， L2 < Twin type > One-way pipe length after the ﬁrst branching point 20m or less Indoor unit (The unit of which elevation difference from the outdoor unit is the largest.) −...
Page 71 ① ● ● ● ● ● ② ＜＞ ● ○ ○ φ ※ ● ● ● ● ● ● ● ・・ ● ● ・ ℃ ・ ℃ ● ● ○ ○...
Page 72 - All gas pipes must be securely heat insulated in order to prevent damage from dripping water that comes from the condensation formed on them during a cooling operation or personal injury from burns because their surface can reach quite a high temperature due to discharged gas ﬂowing inside during a heating operation. Wires for connecting indoor Exterior tape - Wrap indoor units’...
Page 73 ● ● ● ● ● ● ● ● ● ● ● ※ ー ● ① ② ③ ④ ・ ⑤ ・ ⑥ ⑦ ⑧ ・ ⑨ ℃ ⑩ ・ ● ※ ※...
Page 74 ● ※ ※ ◎: ○: △: ↓ φ φ φ φ φ φ ↓ ◎ △ ● ※ ● ◎: ○: ● φ φ φ ◎ ○ × ＋ × ※ φ φ φ φ φ φ ※ ● φ ●...
Page 75 〇〇～～〇〇 (2) Models FDC100-140VNX, 100-140VSX ～～〇 ◎ 〇 ◎ This installation manual deals with outdoor units and general installation specifications only. For indoor units, refer to page 42 〇〇 ◎ 〇〇〇...
Page 76 ● ● ● ● ● ● ● ● ● ● ● ● ● ・・ ● ・・． ● ・ ● ・ ● ・・ ● ・・・ ● ・・・ ● ● ・・ ● ●...
Page 77 ● ● 〇 ● 〇 ● ～～〇〇 ● ～～〇 ● 〇〇〇（mm）〇 Ⅰ Ⅱ Ⅲ 〇〇〇 ① ② ● ● ● ● ● ● ● ● ● ● ≧ −...
Page 78 ≦ − − − ＋ , ＋ − ≦ − ｜ − ｜｜ − ｜｜ − ｜ ≦ − ｜ − ｜ − ＋ − ＋ ≦ − ≦ ｜ − ｜ − − − ≦ ≦ ≦ −...
Page 79 Ａー0． 4 ● ● Bend a pipe to a radius as large as practical.(R100〜R150) Do not bend a pipe repeatedly to correct its form. diameter diameter With an R410A tool With a conventional tool Switchgear or Circuit breaker capacity which is calculated ●...
Page 80 NOTE Put down the refrigerant volume calculated from the pipe length onto the caution label attached on the back side of the service panel. Pipe cover (accessory) This outdoor unit may start in the standby m 8) Heating and condensation prevention level in the compressor from lowering on the (1) Dress refrigerant pipes (both gas and liquid pipes) for heat insulation and prevention of dew condensation.
Page 81 PSB012D955F ※ At the connection with the duct type indoor unit. Indoor-outdoor wire thickness × number Indoor-outdoor wire thickness × number Model Power source MAX. over current (A) Cable length (m) Grounding wire thickness Model Power source MAX. over current (A) Cable length (m) Grounding wire thickness Power cable thickness(mm Power cable thickness(mm...
Page 82 ⑧ Make sure that a red LED is not blinking. Error indicated on the Printed circuit board LED(The cycles of 5 seconds) ⑨ Failure event Action When you complete the test run, do not forget to turn SW3-3 to the OFF position. remote control unit Red LED Green LED...
Page 83 '12 • PAC-T-178 1.10 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 1.10.1 Remote control Wired remote control Wired remote control Model RC-E5 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 figure below shows the remote control with the cover opened.
Page 84 '12 • PAC-T-178 Model RC-EX1A All icons are shown for the sake of explanation. ⑦ Clock, R/C name display ⑤ LCD display (With backlight) A tap on the LCD lights the backlight. Displays the current time and The backlight turns off automatically if there is no the name of R/C operation for certain period of time.
Page 85 '12 • PAC-T-178 Wireless remote control Indication section Indicates set temperature. Indicates the status of swing louver. Indicates selected operation with Indicates the selected airflow volume Indicates for two seconds when FILTER button is pressed. Indicates when ON-TIMER is set. Indicates when OFF-TIMER is set.
Page 86 '12 • PAC-T-178 1.10.2 Operation control function by the wired remote control Model RC-E5 Switching sequence of the operation mode switches of remote control CPU reset This functions when “CHECK” and “ESP” buttons on the remote control are pressed simultaneously. Operation is same as that of the power supply reset.
Page 87 '12 • PAC-T-178 Model RC-EX1A (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 88 '12 • PAC-T-178 (a) Since it memorizes always the condition of remote control, it starts operation according to the contents of memory no sooner than normal state is recovered after the power failure. Although the auto swing stop position and the timer mode are cancelled, the weekly timer setting is restored with the holiday setting for all weekdays.
Page 89 '12 • PAC-T-178 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 90 '12 • PAC-T-178 (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". ・ I n case of "Room temperature/Cooling < Indoor return air temperature" and "Outdoor temperature/Cooling < Outdoor air tempera- ture"...
Page 91 '12 • PAC-T-178 Timer operation (a) RC-EX5 Sleep timer Set the duration of time from the present to the time to turn off the air-conditioner. It can be selected from 10 steps in the range from “OFF 1 hour later” to “OFF 10 hours later”. After the sleep timer setting, the remaining time is displayed with progress of time in the unit of hour.
Page 92 '12 • PAC-T-178 Remote control display during the operation stop When the operation is stopped (the power supply 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 met, the hot start control is performed.
Page 93 '12 • PAC-T-178 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 94 '12 • PAC-T-178 (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. ⓐ Low fanspeed, ⓑ Set fan speed (Factory default), ⓒ Intermittence, ⓓ Fan OFF (ii) When the “Low fan speed”...
Page 95 '12 • PAC-T-178 (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 96 '12 • PAC-T-178 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 97 '12 • PAC-T-178 (17) Plural unit control – Control of 16 units group by one remote control Function One remote control switch can control a group of multiple number of unit (Max. 16 indoor units). “Operation mode” which is set by the remote control switch can operate or stop all units in the group one after another in the order of unit .
Page 98 '12 • PAC-T-178 (20) External input/output control (CnT or CnTA) Be sure to connect the wired remote control to the indoor unit. Without wired remote control remote operation by CnT is not possible to perform. ・ CnT ・ CnTA Option ①...
Page 99 Unit B Remote Remote '12 • PAC-T-178 control OFF control ON (ii) In case of “Pulse input” setting (Local setting) It is effective only when the input signal to CnT-6 or CnTA is changed OFF→ON, and at that time unit operation [ON/ OFF] is inverted. CnT-6 or CnTA input Unit A Unit B Remote Remote control OFF control ON (c) Remote operation In case of multiple units (Max.
Page 100 '12 • PAC-T-178 Normal operation Operation permission/prohibition mode (Factory default) “Valid” (Local setting) CnT-6 or Operation Operation prohibition CnTA Operation Stop permission*1 (Unit stops) Only the “LEVEL INPUT” is acceptable for external input, however when the indoor function setting of “Level input (Factory default)”...
Page 101 '12 • PAC-T-178 (c) In case of CnT ③ Operation permission/prohibition level > CnTA ② Operation/stop pulse CnTA Operation/ stop pulse Operation permission/ prohibition level Operation Operation permission permission Operation permission/ Operation Operation Operation prohibition prohibition prohibition zone prohibition Operation Operation Operation Actual operation...
Page 102 '12 • PAC-T-178 (23) Fan control at heating startup Start 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 Th -R) is...
Page 103 '12 • PAC-T-178 (31) Fan circulator operation (RC-EX1A 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. (mormal 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 indoor unit return air temperature sensor becomes bigger than 3°C.
Page 104 '12 • PAC-T-178 1.10.4 Operation control function by the oudoor control (1)Determination of compressor speed (frequency) Required frequency Cooling/dehumidifying operation Unit: rps Model Usual operation 95(92) 95(92) Max. required frequency Silent mode, outdoor temperature ≦ 15°C Min. required frequency Note (1) Value in ( ) are for the 3 phase models. (b) Heating operation Unit: rps Model...
Page 105 '12 • PAC-T-178 Compressor soft start control (a) Compressor protection start I [Control condition] Normally, the compressor operation frequency is raised in this start pattern. [Control contents] 1) Starts with the compressor’s target frequency at A rps. However, when the ambient air temperature (Tho-A) is 35°C or higher during cooling/ dehumidifying or the indoor return air temperature (Th -A) is 25°C or higher during heating, it starts at C rps.
Page 106 '12 • PAC-T-178 Outdoor unit 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 Cooling/Dehumidifying Heating ➀ speed ➁ speed ➂ speed ➃ speed ➄ speed ➅ speed ➆ speed Cooling/Dehumidifying Heating ➀...
Page 107 '12 • PAC-T-178 (ii) 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. Lower limit: 130rpm Upper limit: 500rpm (iv) As any of the following conditions is established, this control terminates.
Page 108 '12 • PAC-T-178 Defrosting Model 71-140 (a) Defrosting start conditions If all of the following defrosting conditions A or conditions B are met, the defrosting operation starts. (i) Defrosting conditions A Cumulative compressor operation time after the end of defrosting has elapsed 37 [45] minutes, and the cumulative compressor operation time Defrost operation start after the start of heating operation (remote...
Page 109 '12 • PAC-T-178 (c) Switching of defrosting control with SW3-1 (i) If SW3-1 on the outdoor unit control PCB is turned to ON, it becomes easier to enter the defrosting operation. Use this when installing a unit at snowing regions. (ii) Control contents It allows entering the defrosting operation under the defrosting condition A when the cumulative heating operation time becomes 30 minutes.
Page 110 '12 • PAC-T-178 (c) Heating high pressure protection (i) Protective control As the indoor unit heat exchanger temperature (Th -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: 71 model) Reduces compressor frequency Model...
Page 111 '12 • PAC-T-178 (g) Over-current protection current safe controls I, II Detecting the outdoor unit 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 112 '12 • PAC-T-178 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. 1) Cooling electronic expansion valve aperture (EEVC) is 500 pulses. 2) Suction overheat is 10°C or higher.
Page 113 '12 • PAC-T-178 Silent mode As “Silent mode start” signal is received from the remote control, it operates by dropping the outdoor unit fan tap and the compressor speed (frequency). (b) For details, refer to items (1) and (4) above. Test run (a) It is possible to operate from the outdoor unit using the dip switch on the outdoor unit control PCB.
Page 114 '12 • PAC-T-178 (10) Base heater ON/OFF output control (option) (a) Base heater ON conditions When all of following conditions are met, the base heater is turned ON. ・ Outdoor air temperature (detected with Tho-A) is 3ºC or lower. ・ In the heating mode ・...
Page 115 '12 • PAC-T-178 1.11 MAINTENANCE DATA 1.11.1 Diagnosing of microcomputer circuit 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 116 '12 • PAC-T-178 (ii) Outdoor unit Remote control Indoor control PCB Outdoor control PCB Outdoor inventer PCB Reference Location of trouble Description of trouble Repair method Green Green Yellow page Error code Red LED Red LED Red LED LED (1) LED (1) Installation or operating •...
Page 117 '12 • PAC-T-178 (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 118 '12 • PAC-T-178 ■ 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 119 '12 • PAC-T-178 (i) Control PCB PSB012D990B 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 Address Plural indoor units control by 1 remote control...
Page 120 '12 • PAC-T-178 (ii) Power PCB PSC012D021 This PCB is a general PCB. Replace the PCB according to this instruction. 1)Replace the PCB a) Unscrew terminal(Arrow A) of the "E2" wiring(yellow/green) that is connected to PCB. b) Replace the PCB only after all the wirings connected to the connector are removed. c) Fix the board such that it will not p inch any of the wires.
Page 121 '12 • PAC-T-178 ●DIP switch setting list Switches Description Default setting Remarks Address No. setting at plural indoor units control by 1 R/C keep OFF Reserved SW5-1 keep OFF SW5-2 Reserved SW6-1 SW6-2 Model selection As per model See table 1 SW6-3 SW6-4 Normal * /Test run...
Page 122 '12 • PAC-T-178 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 cord 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 123 '12 • PAC-T-178 (i) Model FDC71VNX PCA012D021C 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.1)) 2) Disconnect the connectors from the control PCB.
Page 124 '12 • PAC-T-178 (ii) Model FDC100VNX, 125VNX, 140VNX PCA012D024F Model FDC100VSX, 125VSX, 140VSX Replace the PCB after elapsing 3 minutes from power OFF. Measurement was done on both ends of connector (CNA1) during measurement, the voltage (DC) might charged the electrolytic capacitor, be sure that the voltage is discharged sufficiently. (Refer to Fig.1) Disconnect the connectors from the control PCB.
Page 125 '12 • PAC-T-178 (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: WARNING Indicates an imminently hazardous situation which will result in death or serious injury if proper safety procedures and instructions are not adhered to.
Page 126 '12 • PAC-T-178 (ii) Models FDC100VNX, 125VNX, 140VNX PCA012D025D Replace the PCB after elapsing 3 minutes from power OFF. (Be sure to measure voltage (DC) on both capacitor terminals located in controller 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.
Page 127 '12 • PAC-T-178 (iii) Models FDC100VSX, 125VSX, 140VSX PCA012D025F Replace the PCB after elapsing 3 minutes from power OFF. (Be sure to measure voltage (DC) on both capacitor terminals located in controller 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.
Page 128 '12 • PAC-T-178 DIP switch setting list (Outdoor unit) (1) Control PCB Model FDC71VNX Switches Description Default setting Remarks Defrost condition Normal SW3-1 Normal*/Cold region SW3-2 Snow protection control Normal*/Snow protection Normal Model selection Cooling only/Heat pump* Heat pump Keep OFF SW3-3 SW3-4 Defrost prohibition time...
Page 129 '12 • PAC-T-178 Check of anomalous operation data with the remote control Number Data Item (a) In case of RC-E5 remote control (Operation Mode) Operation data can be checked with remote control unit operation. (Set Temperature) (i) Press the button. (Return Air Temperature) The display change “...
Page 130 '12 • PAC-T-178 (b) In case of RC-EX1A remote control [Operating procedure] (i) On the TOP screen, touch the buttons in the order of “Menu” ➝ “Next” ➝ “Service & Maintenance” ➝ “Service password” ➝ “Set” ➝ “Error display” ➝ “Error history”. (ii) When only one indoor unit is connected to the remote control, followings will be displayed.
Page 131 '12 • PAC-T-178 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 132 '12 • PAC-T-178 (7) Inverter checker for diagnosis of inverter output ● Checking method (a) Setup procedure of checker. (i) Power OFF (Turn off the breaker). (ii) Remove the terminal cover of compressor and disconnect the wires (U, V, W) from compressor. (iii) Connect the wires U (Red), V (White) and W (Black) of checker to the terminal of disconnected wires (U, V, W) from compressor respectively.
Page 133 Model FDC71VNX Outdoor unit check points ● Check items with the *mark when the power is ON. DC Reactor continuity Check: No anomaly like breakage, Max 25mΩ swell, etc. allowed. Noise filter check: There should be continuity. There should be no shorts between phase Power supply check: Voltage between terminals Measure the power supply at L.N.
Page 134 Models FDC100VNX,125VNX,140VNX Outdoor unit check points ● Check items with the *mark when the power is ON. Capacitor check: DC Reactor continuity Check: Check for anomaly in appearance Noise filter check: Max 25mΩ such as damage, swelling, etc. There should be continuity. Power supply check: There should be no shorts between phases.
Page 135 FDC100VSX, 125VSX, 140VSX Outdoor unit check points ● Resistance check: Capacitor check: Check items with the *mark when the power is ON. Resistance is measured DC Reactor contiuity Check for anomaly in appearance (15Ω) check:55mΩ or less such as damage, swwll, etc. Noise filter check: Power supply check: There should be continuity.
Page 136: Table Of Contents
'12 • PAC-T-178 1.11.2 Troubleshooting flow (1) List of troubles Remote control 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) None Excessive noise/vibration (3/3)
Page 137: Operates But Does Not Cool
'12 • PAC-T-178 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 unit fan operation. Check the temperature differnce between return and supply air.
Page 138: Operates But Does Not Heat
'12 • PAC-T-178 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 unit fan operation. Check the temperature differnce between return and supply air.
Page 139: Earth Leakage Breaker Activated
'12 • PAC-T-178 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 140: Excessive Noise/Vibration
'12 • PAC-T-178 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-...
Page 141: Excessive Noise/Vibration
'12 • PAC-T-178 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 142: Excessive Noise/Vibration
'12 • PAC-T-178 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/...
Page 143: Power Supply System Error (Power Supply To Indoor Control Pcb)
'12 • PAC-T-178 Green Power supply system error Content Error code Stays OFF Stays OFF Indoor None Remote control: (Power supply to indoor control PCB) Stays OFF 2 time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure AC220/240V detected between 1 and 2 on the terminal block...
Page 144 '12 • PAC-T-178 Green Content Error code Power supply system error Keeps flashing 3 times flash Indoor None Remote control: (Power supply to remote control) Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Isn't there any Correct.
Page 145: Inspect I/U (When 1 Or 2 Remote Controls Are Connected)
'12 • PAC-T-178 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 times flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are 2 units of remote control...
Page 146: Inspect I/U (Connection Of 3 Units Or More Remote Controls)
'12 • PAC-T-178 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 times flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are more than Reduce to 2 units or less.
Page 147: Communication Error At Initial Operation
'12 • PAC-T-178 Green Content Error code Communication error at Keeps flashing Stays OFF Indoor Remote control: WAIT initial operation (1/3) Keeps flashing 2 times flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure “ ” is still displayed on the WA IT remote control LED 2 minutes after power ON.
Page 148 '12 • PAC-T-178 Green Content Error code Communication error at Keeps flashing Stays OFF Indoor Remote control: WAIT initial operation (2/3) Keeps flashing 2 times flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Diagnosis for when the outdoor control PCB LED is turned off Shut down the breaker and back on again the breaker 3 minutes later.
Page 149 '12 • PAC-T-178 Green Content Error code Communication error at Keeps flashing Stays OFF Indoor Remote control: WAIT initial operation (3/3) Keeps flashing 2 times flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Method to check for inverter PCB before replacement of blown power supply fuse.
Page 150: No Display
'12 • PAC-T-178 Green Content Error code No display Keeps flashing Stays OFF Indoor None Remote control: Keeps flashing 2 times flash 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 151: E1 Remote Control Communication Circuit Error
'12 • PAC-T-178 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 152: E5 Communication Error During Operation
'12 • PAC-T-178 Green Content Error code Keeps flashing 2 times 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-times Note (1) Inspect faulty connections (disconnection, looseness) on the outdoor unit terminal block.
Page 153: E6 Indoor Heat Exchanger Temperature Thermistor Anomaly
'12 • PAC-T-178 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.
Page 154: E7 Return Air Temperature Thermistor Anomaly
'12 • PAC-T-178 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 155: E8 Heating Overload Operation
'12 • PAC-T-178 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 heat indoor heat exchanger...
Page 156: E9 Drain Trouble
'12 • PAC-T-178 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 157: E10 Excessive Number Of Connected Indoor Units (More Than 17 Units) By Controlling With One Remote Control
'12 • PAC-T-178 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...
Page 158: E16 Indoor Fan Motor Anomaly
'12 • PAC-T-178 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 FMI2 only. 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any...
Page 159: E19 Indoor Unit Operation Check, Drain Motor Check Setting Error
'12 • PAC-T-178 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 control Is SW7-1...
Page 160 '12 • PAC-T-178 Green Content Indoor fan motor rotation Error code Keeps flashing 1(2) time flash Indoor Remote control: speed anomaly Keeps flashing Stays OFF Outdoor Note (1) Value in (　) is for the FMI2 only. 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 161: E28 Remote Control Temperature Thermistor Anomaly
'12 • PAC-T-178 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 162: E35 Cooling Overload Operation
'12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1 time flash Cooling overload operation Yellow Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure * For the characteristics of outdoor heat exchanger temperature...
Page 163: E36 Discharge Pipe Temperature Error
'12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Discharge pipe Remote control: Outdoor control PCB Keeps flashing 1 time flash Yellow temperature error Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure * For the characteristics of discharge...
Page 164 '12 • PAC-T-178 Green Outdoor heat Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: exchanger temperature Outdoor control PCB Keeps flashing 1 time flash Yellow themistor anomaly Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 165 '12 • PAC-T-178 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 thermistor anomaly Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure the outdoor air...
Page 166: E39 Discharge Pipe Temperature Thermistor Anomaly
'12 • PAC-T-178 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 thermistor anomaly Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model Diagnosis Countermeasure All models Is the...
Page 167: E40 High Pressure Error (63H1 Activated)
'12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF High pressure error Remote control: Outdoor control PCB Keeps flashing 1 time flash (63H1 activated) Yellow Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure If the power supply breaker is turned OFF and ON too quickly,...
Page 168 '12 • PAC-T-178 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 6 times flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 169 '12 • PAC-T-178 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 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the...
Page 170 '12 • PAC-T-178 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 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page Is the...
Page 171: E45 Communication Error Between Inverter Pcb And Outdoor Control Pcb
'12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Communication error between Remote control: Outdoor control PCB Keeps flashing 1 time flash inverter PCB and outdoor control PCB Yellow Outdoor inverter Keeps flashing 5. Troubleshooting 1.
Page 172 '12 • PAC-T-178 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 Yellow LED (Model FDC71VNX) Outdoor Inverter 7 times flashing 5. Troubleshooting 1. Applicable model Model FDC71 only Diagnosis Countermeasure...
Page 173 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1 time flash Outdoor fan motor anomaly Yellow Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any foreign...
Page 174 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Low pressure error or Remote control: Outdoor control PCB Keeps flashing 1 time flash low pressure sensor anomaly (1/2) Yellow Outdoor inverter Keeps flashing 5. Troubleshooting 1.
Page 175 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Low pressure error or Remote control: Outdoor control PCB Keeps flashing 1 time flash low pressure sensor anomaly (2/2) Yellow Outdoor inverter Keeps flashing 5. Troubleshooting 1.
Page 176: E51 Inverter And Fan Motor Anomaly
'12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1 time flash Inverter and fan motor anomaly Yellow LED Outdoor inverter 6 times flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 177 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Suction pipe Remote control: Outdoor control PCB Keeps flashing 1 time flash temperature thermistor anomaly Yellow Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure 2.
Page 178 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1 time flash Low pressure sensor anomaly Yellow Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are the...
Page 179: E57 Insufficient Refrigerant Amount Or Detection Of Service Valve Closure
'12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Insufficient refrigerant amount Outdoor control PCB Keeps flashing 1 time flash or detection of service valve closure Yellow Outdoor inverter Keeps flashing 5. Troubleshooting 1.
Page 180 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 5 times flash Compressor startup failure (1/2) Yellow LED Outdoor inverter Stays off 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure In case that the compressor...
Page 181 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 5 times flash Compressor startup failure (2/2) Yellow LED Outdoor inverter Stays off 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page...
Page 182 '12 • PAC-T-178 2 MICRO INVERTER CONTENTS 2.1 SPECIFICATIONS ..................184 2.2 EXTERIOR DIMENSIONS ................190 (1) Indoor units ...................190 (2) Outdoor units ..................191 (3) Remote control (Option parts) ...............192 2.3 ELECTRICAL WIRING ................195 (1) Indoor units ...................195 (2) Outdoor units ..................196 2.4 NOISE LEVEL .....................198 2.5 CHARACTERISTICS OF FAN ..............199 2.6 PIPING SYSTEM...
Page 183 '12 • PAC-T-178 (13) Operation check/drain pump test run operation mode ......254 (14) Cooling, dehumidifying frost protection ..........255 (15) Heating overload protection ..............255 (16) Anomalous fan motor ................255 (17) Plural unit control - Control of 16 units group by one remote control ....256 (18) High ceiling control ................256 (19) Abnormal temperature thermistor (return air/indoor heat exchanger) wire/short-circuit detection...
Page 184 '12 • PAC-T-178 (5) Check of anomalous operation data with the remote control ....285 (6) Power transistor module (including the driver PCB) inspection procedure ..287 (7) Inverter checker for diagnosis of inverter output ........288 (8) Outdoor unit controller failure diagnosis circuit diagram ......289 2.11.2 Troubleshooting flow ................291...
Page 185 '12 • PAC-T-178 2.1 SPECIFICTIONS Adapted to RoHS directive FDU100VNVF1 Model Item Indoor unit FDU100VF1 Outdoor unit FDC100VN Power source 220-240V~50Hz / 220V~60Hz Operation data Cooling Heating Nominal capacity 10.0 [4.0 (Min.)~11.2 (Max.)] 11.2 [4.0 (Min.)~12.5 (Max.)] Power consumption 2.80 3.02 Running current 12.6 / 13.2...
Page 186 '12 • PAC-T-178 Adapted to RoHS directive FDU100VSVF1 Model Item Indoor unit FDU100VF1 Outdoor unit FDC100VS Power source 380-415V 3N~50Hz / 380V 3N~60Hz Operation data Cooling Heating Nominal capacity 10.0 [4.0 (Min.)~11.2 (Max.)] 11.2 [4.0 (Min.)~12.5 (Max.)] Power consumption 2.80 3.02 Running current 4.2 / 4.4...
Page 187 '12 • PAC-T-178 Adapted to RoHS directive FDU125VNXVF Model Item Indoor unit FDU125VF Outdoor unit FDC125VN Power source 220-240V~50Hz / 220V~60Hz Operation data Cooling Heating Nominal capacity 12.5 [5.0 (Min.)~14.0 (Max.)] 14.0 [4.0 (Min.)~16.0 (Max.)] Power consumption 3.90 3.88 Running current 17.5 / 18.3 17.4 / 18.2 Power factor...
Page 188 '12 • PAC-T-178 Adapted to RoHS directive FDU125VSVF Model Item Indoor unit FDU125VF Outdoor unit FDC125VS Power source 380-415V 3N~50Hz / 380V 3N~60Hz Operation data Cooling Heating Nominal capacity 12.5 [5.0 (Min.)~14.0 (Max.)] 14.0 [4.0 (Min.)~16.0 (Max.)] Power consumption 3.90 3.88 Running current 5.8 / 6.1...
Page 189 '12 • PAC-T-178 Adapted to RoHS directive FDU140VNVF Model Item Indoor unit FDU140VF Outdoor unit FDC140VN Power source 220-240V~50Hz / 220V~60Hz Operation data Cooling Heating Nominal capacity 14.0 [5.0 (Min.)~14.5 (Max.)] 16.0 [4.0 (Min.)~16.5 (Max.)] Power consumption 4.95 4.69 Running current 22.2 / 23.2 21.0 / 22.0 Power factor...
Page 190 '12 • PAC-T-178 Adapted to RoHS directive FDU140VSVF Model Item Indoor unit FDU140VF Outdoor unit FDC140VS Power source 380-415V 3N~50Hz / 380V 3N~60Hz Operation data Cooling Heating Nominal capacity 14.0 [5.0 (Min.)~14.5 (Max.)] 16.0 [4.0 (Min.)~16.5 (Max.)] Power consumption 4.95 4.69 Running current 7.4 / 7.8...
Page 191 '12 • PAC-T-178 2.2 EXTERIOR DIMENSIONS (1) Indoor units Models FDU100VF1, 125VF, 140VF Symbol Content Gas piping φ15.88（5／8"）（Flare） 1280 （Duct dimension） Liquid piping φ9.52（3／8"）（Flare） VP25（I.D.25,O.D.32） Drain piping Drain piping Drain hose piece VP20（I.D.20,O.D.26）（Accessory）（Gravity drainage） Hole for wiring （Installed on site） Suspension bolts （M10）...
Page 192 Symbol Content Notes Service valve connection （ gas side） φ 15.88 （ 5／8"）（ Flare）（1） It must not be surrounded by walls on the four sides. （2） The unit must be fixed with anchor bolts. An anchor bolt must not Service valve connection （...
Page 193 '12 • PAC-T-178 (3) Remote control (Option parts) (a) wired remote control Model RC-E5 Wiring outlet Cut off the upper thin part of remote control lower case with a nipper or knife, and grind burrs with a file etc. Exposed mounting In case of pulling out In case of pulling out from upper left...
Page 194 '12 • PAC-T-178 Model : RC-EX1A Installation space Exterior appearance Pearl White (Munsell color) (N8.5) near equivalent R/C cable：0.3mm × 2-core RoHS Adapted to directive PJZ000Z297...
Page 195 '12 • PAC-T-178 (b) Wireless remote control (RCN-E1R) Unit: mm...
Page 196 CNB～Z Connector Drain motor F1,3,4 Fuse Fan motor（with thermostat） Float switch Remote control Control PCB Reactor t° LED・2 Indication lamp（Green-Normal operation） t° LED・3 Indication lamp（Red-Inspection） t° LED・2 LED・3 Remote control communication address Power PCB CNW0 t° Connecting line between Plural units Master／Slave setting YE／GN F1（6.3A）...
Page 197 POWER SOURCE 1〜220ｰ240V 50Hz／1〜220V 60Hz Item Description F（30A） F（8A） CnA〜Z Connector TO INDOOR UNIT NOISE FILTER Crankcase heater PWB3 POWER WIRES SIGNAL WIRE Compressor motor Current sensor 5 or 6 wires 5 or 6 wires Diode module FMO1 Fuse FM01 Fan motor Intelligent power module Reactor...
Page 198 POWER SOURCE 3N〜380ｰ415V 50Hz Item Description F（8A） CnA〜Z Connector NOISE FILTER PWB3 Crankcase heater INVERTER CN2-1 Compressor motor PWB2 Current sensor （WH） Diode module Fuse 3〜 FM01 Fan motor Intelligent power module Reactor LED1 Indication lamp（GREEN） THo-IPM THo-R2 THo-A THo-S THo-D THo-R1 LED2...
Page 199 '12 • PAC-T-178 2.4 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) Indoor units Unit Measured based on JIS B 8616...
Page 200 '12 • PAC-T-178 2.5 CHARACTERISTICS OF FAN ・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. (SW8-4 OFF : 150Pa, SW8-4 ON : 200Pa) , rated E.S.P., and minimum E.S.P. (SW8-4 OFF : 80Pa, SW8-4 ON : 10Pa) ・Characteristic FAN (2) shows air flow vs.
Page 201 '12 • PAC-T-178 Model FDU125VF ■SW8-4 : OFF (Range of use limitation : Setting 80Pa-150Pa) Characteristic FAN (1) Characteristic FAN (2) Range of approvable air flow In case actual E.S.P. correspond setting of E.S.P. Setting 150Pa P-Hi Setting 120Pa P-Hi P-Hi Setting 80Pa Air flow (m...
Page 202 '12 • PAC-T-178 Model FDU140VF ■SW8-4 : OFF (Range of use limitation : Setting 80Pa-150Pa) Characteristic FAN (1) Characteristic FAN (2) Range of approvable air flow In case actual E.S.P. correspond setting of E.S.P. P-Hi Setting 150Pa Setting 120Pa P-Hi P-Hi Setting 80Pa 45 4850...
Page 203 '12 • PAC-T-178 2.6 PIPING SYSTEM Models 100, 125, 140 Indoor unit Outdoor unit Cooling cycle Heating cycle Check joint 4way valve Thermistor (Tho-A) Gas line ( ø 15.88) Service valve (Flare connecting) Flare connecting Check joint Thermistor (Heat exchanger) Heat exchanger High pressure Check...
Page 204 '12 • PAC-T-178 2.7 RANGE OF USAGE & LIMITATIONS See next page. Operating temperature range When used below -5˚C, install a snow hood (option). 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 205 '12 • PAC-T-178 Operating temperature range Cooling Usage range in cooling Indoor air temperature Heating Usage range in heating Outdoor air temperature 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 airflow rate.
Page 206 '12 • PAC-T-178 Limitation on unit and piping installation - single. Marks appearing Descriptions Model for outdoor units Dimensional limitations in the drawing One-way pipe length 100・125・140 ≦ 50m When the outdoor unit is 100・125・140 ≦ 30m positioned higher Elevation difference between indoor and outdoor units When the outdoor unit is 100・125・140 ≦...
Page 207 '12 • PAC-T-178 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 208 '12 • PAC-T-178 FDU125VNVF Model Indoor unit FDU125VF Outdoor unit FDC125VN Cool Mode Heat 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 ℃DB air temp. 12℃WB 14℃WB 16℃WB 18℃WB 19℃WB...
Page 209 '12 • PAC-T-178 FDU140VNVF Model Indoor unit FDU140VF Outdoor unit FDC140VN Cool Mode Heat 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 ℃DB air temp. 12℃WB 14℃WB 16℃WB 18℃WB 19℃WB...
Page 210 '12 • PAC-T-178 [References data] 　Capacity variation against outdoor and indoor temperature at rated capacity condition. ① Cooling Indoor air temperture 24℃WB Indoor air temperture 19℃WB Indoor air temperture 15℃WB Indoor air temperture 12℃WB Indoor air temperture 17℃WB Outdoor air temperature (℃DB) ②...
Page 211 '12 • PAC-T-178 2.8.2 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 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 212 '12 • PAC-T-178 2.9 APPLICATION DATA PJG012D004 2.9.1 Installation of indoor unit PJG012D004 DUCT CONNECTED HIGH STATIC PRESSURE AIR (1) Indoor unit CONDITIONING UNIT INSTALLATION MANUAL ○This model i blow type ai This manual is for the installation of an indoor unit. CAUTION For electrical wiring work (Indoor), refer to page 217.
Page 213 '12 • PAC-T-178 D004 ○This model is middle static ducted type air conditioning unit. Therefore, do not use this model for direct ③Preparation before installation blow type air conditioning 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...
Page 214 '12 • PAC-T-178 ⑤ ⑦ ⑤ ① ① ● ● ○ ● ② ● ● ● ● ● ○ ● ● ● ② ● ○ ③ ● ● ● ○ ● ⑥ ● 　　・　・ ● ● ④ 　 ●...
Page 215 '12 • PAC-T-178 ⑦ ⑦ ● ● ● ● ● ● ● ● ● ● ※ ● ● ● ● ● ● ● ※ PJG012D004...
Page 216 '12 • PAC-T-178 ⑧Wiring-out position and wiring connection ⑩Check list after installation ●Check the following items after all installation work completed. ● Electrical installation work must be performed according to the installation manual by an electrical installation service provider qualiﬁed by a power provider of the country, and be Check if Expected trouble Check...
Page 217 '12 • PAC-T-178 (2) Replacement procedure of the fan unit Notes(1) The unit is a heavy item. It must be supported securely and handled with care not to drop when it is necessary to replace. (2) For the maintenance space, refer to page 212. (a) Remove the control box and the side panel, and remove (b) Take out the fan unit located at the near side in the arrow the screws marked in the circles (2 places) from the unit...
Page 218 '12 • PAC-T-178 PSB012D994 PSBO12D994 ELECTRIC WIRING WORK INSTRUCTION 2.9.2 Electric wiring work installation Electrical Wiring Connection ②Rem Electrical wiring work must be performed by an electrician qualiﬁed by a local power provider according to ● Use three-core cable as wiring between indoor and outdoor unit. As for detail, refer to "INSTAL- ●...
Page 219 '12 • PAC-T-178 2D994 ②Remote Control, Wiring and functions ③Trial operation "INSTAL- ● DO NOT install it on the following places The method of trial cooling operation ①Places exposed to direct sunlight ②Places near heat devices Operate the remote control unit as follows. ucting of 1.
Page 220 '12 • PAC-T-178 ④Function Setting by Remote Control ⑤ The functional setting Note 1: The initial setting marked “ ” is decided by connected indoor and outdoor unit, and is automatically ● deﬁned as following table. The initial function setting for typical using is performed automatically for a remote control unit and an indoor unit by the door unit connected, when Function No.
Page 221 '12 • PAC-T-178 ⑤Control mode switching nected indoor and outdoor unit, and is automatically The control content of indoor units can be switched in following way. ( is the default setting) ● Switch No. Control Content Model o-RUN" mode selectable indoor unit. Indoor unit address (0-Fh) or unit without "Auto-RUN"...
Page 222 '12 • PAC-T-178 2.9.3 Installation of wired remote control (option) Installation manual for wired remote controller PJA012D730 Connect the remote control (1) Model RC-E5 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...
Page 223 '12 • PAC-T-178 remote 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 tem Connect the terminal of remote control (X,Y) Upper case Upper case Board Board Heating : 16 ~ 30˚C (55 ~ 86˚F)
Page 224 '12 • PAC-T-178 PJ A012 D73 0 Sheath Sheath The range of temperature setting Upper When shipped, the range of set temperature differs depending on the operation mode as below. Upper 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 225 '12 • PAC-T-178 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 226 '12 • PAC-T-178 Note 1: The initial setting marked “ ” is decided by connected indoor and outdoor unit, and is automatically defined as following table. Item Function No. 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 227 '12 • PAC-T-178 PJA0 12 D73 0 and is automatically defined as following table. Operation message How to set function Function description: electable indoor unit. Function No. Stop air-conditioner and press (SET) (MODE) setting description: Auto-RUN" mode buttons at the same time for over three seconds, and the or three step of air flow setting "FUNCTION SET "...
Page 228 '12 • PAC-T-178 (2) Model RC-EX1A PJZ012D077 eco touch REMOTE CONTROL RC-EX1A INSTALLATION MANUAL...
Page 229 '12 • PAC-T-178 1 . Safety Precautions This installation manual describes the installation methods and precautions related to the remote control. Use this manual together with the user’s manuals for the indoor unit, outdoor unit and other optional equipment. Please read this manual carefully before starting the installation work to install the unit properly.
Page 230 '12 • PAC-T-178 When installing the unit at a hospital, telecommunication facility, etc., take measures to suppress electric noises. It could cause malfunction or break-down due to hazardous effects on the inverter, private power generator, high frequency medical equipment, radio communication equipment, etc. The influences transmitted from the remote control to medical or communication equipment could disrupt medical activities, video broadcasting or cause noise interference.
Page 231 '12 • PAC-T-178 2 . Accessories & Prepare on site R/C main unit, wood screw (ø3.5 x 16) 2 pcs Accessories User’s Manual, Installation Manual Parts procured at site When the cable length is longer than Item name Q’ty Remark 100 m, the max size for wires used Switch box in the R/C case is 0.5 mm...
Page 232 '12 • PAC-T-178 Request Be sure not to install R/C at a place where temperatures around the installation surface of R/C may differ largely from actual room temperature. Difference between detected temperature and actual room temperature could cause troubles. The correction for detected temperature by the R/C cannot offset such temperature difference because it corrects the detected temperatures itself.
Page 233 '12 • PAC-T-178 ④ W hen wires are passed through the bottom case, ﬁx the bottom case at 2 places on the switch box. Upper side Upper side Switch box Switch box for 1 pc for 2 pcs Cut out the thin wall part at the screw mounting Bottom case...
Page 234 '12 • PAC-T-178 If the hole is cut too large, moisture, dust or insects may enter. Seal gaps with putty or the like. ④ Fix the bottom R/C case on a ﬂat surface with wood screws. ⑤ I n case of the upper center, p a s s t h e w i r i n g b e h i n d 120mm...
Page 235 '12 • PAC-T-178 Note: Connection to personal computer It can be set from a personal computer via the USB port (mini-B). Connect after removing the cover for USB port of upper case. Replace the cover after use. If dust, insect, etc. enters, it could cause electric shocks or breakdown.
Page 236 2.9.4 Installation of outdoor unit PSB012D923N 3) Selection of in Be sure to select a suitab Inverter driven single split PAC 〇 A place where it is hori 〇 A place where it can be 100V・ 125V・ 140V 〇 A place where the unit 〇...
Page 237 ● Stop the compressor before closing valve and disconnecting refrigerant pipes in case of pump down operation. Unsuitable installation locations can cause the unit to fall and cause material damage and personal injury. If disconnecting refrigerant pipes in state of opening service valves before compressor stopping, you may incur frost bite or ●...
Page 238 PSB012D923N 3) Selection of installation location for the outdoor unit 5) Installation space Be sure to select a suitable installation place in consideration of following conditions. ● Walls surrounding the unit in the four sides are not acceptable. ● There must be a 1-meter or larger space in the above. driven single split PAC 〇...
Page 239 indoor and outdoor units ≦ 15m When the outdoor unit is positioned lower, − Elevation difference between indoor units ≦ 0.5m h1, h2, h3 h1, h2, h3 ● The use restrictions appearing in the table above are applicable to the standard pipe size combinations shown in the table below. Where an existing pipe system is L (riser) CAUTION Outdoor unit...
Page 240 φ12.7 φ12.7 16.6 with a protrusion control gauge. ● φ15.88 φ15.88 5. TEST RUN The pipe should be anchored every 1.5m or less to isolate the vibration. 19.7 ● Tighten a ﬂare joint securely with a double spanner. Do not apply force beyond proper fastening torque in tightening Operation valve size Tightening torque Tightening angle...
Page 241 Does the existing pipe s optional parts, where water drained from the outdoor unit is a problem. condensed water. (1) The pipe length is 50 ○ When condensed water needs to be led to a drain, etc., install the unit on a ﬂat base (2) The pipe size conform (3) The elevation differe (supplied separately as an optional part) or concrete blocks.
Page 242 As indicated in the table shown on the right, pressure detected at each point will vary Is indoor unit installation work completed? , R407C, etc.). ー Suction pressure Discharge pressure Indoor unit Heating depending on whether a cooling or heating operation has been selected. Where a face cover should be attached onto an indoor unit, is the face cover attached to the indoor unit? m pump oil from (Low pressure)
Page 243 '12 • PAC-T-178 2.10 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 2.10.1 Remote control 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 244 '12 • PAC-T-178 Model RC-EX1A All icons are shown for the sake of explanation. ⑦ Clock, R/C name display ⑤ LCD display (With backlight) A tap on the LCD lights the backlight. Displays the current time and The backlight turns off automatically if there is no the name of R/C operation for certain period of time.
Page 245 '12 • PAC-T-178 Wireless remote control Indication section Indicates set temperature. Indicates the status of swing louver. Indicates selected operation with Indicates the selected airflow volume Indicates for two seconds when FILTER button is pressed. Indicates when ON-TIMER is set. Indicates when OFF-TIMER is set.
Page 246 '12 • PAC-T-178 2.10.2 Operation control function by the wired remote control Model RC-E5 Switching sequence of the operation mode switches of remote control CPU reset This functions when “CHECK” and “ESP” buttons on the remote control are pressed simultaneously. Operation is same as that of the power supply reset.
Page 247 '12 • PAC-T-178 Model RC-EX1A (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 248 '12 • PAC-T-178 (a) Since it memorizes always the condition of remote control, it starts operation according to the contents of memory no sooner than normal state is recovered after the power failure. Although the auto swing stop position and the timer mode are cancelled, the weekly timer setting is restored with the holiday setting for all weekdays.
Page 249 '12 • PAC-T-178 2.10.3 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 250 '12 • PAC-T-178 (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". ・ I n case of "Room temperature/Cooling < Indoor return air temperature" and "Outdoor temperature/Cooling < Outdoor air tempera- ture"...
Page 251 '12 • PAC-T-178 Timer operation (a) RC-EX5 Sleep timer Set the duration of time from the present to the time to turn off the air-conditioner. It can be selected from 10 steps in the range from “OFF 1 hour later” to “OFF 10 hours later”. After the sleep timer setting, the remaining time is displayed with progress of time in the unit of hour.
Page 252 '12 • PAC-T-178 Remote control display during the operation stop When the operation is stopped (the power supply 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 met, the hot start control is performed.
Page 253 '12 • PAC-T-178 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 254 '12 • PAC-T-178 (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 255 '12 • PAC-T-178 (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 256 '12 • PAC-T-178 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 257 '12 • PAC-T-178 (17) Plural unit control – Control of 16 units group by one remote control Function One remote control switch can control a group of multiple number of unit (Max. 16 indoor units). “Operation mode” which is set by the remote control switch can operate or stop all units in the group one after another in the order of unit .
Page 258 '12 • PAC-T-178 (20) External input/output control (CnT or CnTA) Be sure to connect the wired remote control to the indoor unit. Without wired remote control remote operation by CnT is not possible to perform. ・ CnT ・ CnTA Option ①...
Page 259 Unit B Remote Remote '12 • PAC-T-178 control OFF control ON (ii) In case of “Pulse input” setting (Local setting) It is effective only when the input signal to CnT-6 or CnTA is changed OFF→ON, and at that time unit operation [ON/ OFF] is inverted. CnT-6 or CnTA input Unit A Unit B Remote Remote control OFF control ON (c) Remote operation In case of multiple units (Max.
Page 260 '12 • PAC-T-178 Normal operation Operation permission/prohibition mode (Factory default) “Valid” (Local setting) CnT-6 or Operation Operation prohibition CnTA Operation Stop permission*1 (Unit stops) Only the “LEVEL INPUT” is acceptable for external input, however when the indoor function setting of “Level input (Factory default)”...
Page 261 '12 • PAC-T-178 (c) In case of CnT ③ Operation permission/prohibition level > CnTA ② Operation/stop pulse CnTA Operation/ stop pulse Operation permission/ prohibition level Operation Operation permission permission Operation permission/ Operation Operation Operation prohibition prohibition prohibition zone prohibition Operation Operation Operation Actual operation...
Page 262 '12 • PAC-T-178 (23) Fan control at heating startup Start 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 Th -R) is...
Page 263 '12 • PAC-T-178 (31) Fan circulator operation (RC-EX1A 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. (mormal 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 indoor unit return air temperature sensor becomes bigger than 3°C.
Page 264 '12 • PAC-T-178 2.10.4 Operation control function by the outdoor control Determination of compressor speed (frequency) Required frequency Cooling/dehumidifying operation 　　　　　　　　　　　　　　　　　　　　　　 Unit: rps ( a ) Model Usual operation Max. required frequency Silent mode, outdoor temperature ≦15°C Min. required frequency ( b ) Heating operation 　　　　　　　　　　　　　　　　　　　　　　　　　　　　...
Page 265 '12 • PAC-T-178 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 ambient air temperature (Tho-A) is 35°C or higher during cooling/ dehumidifying or the indoor return air temperature (Th -A) is 25°C or higher during heating, it starts at C rps.
Page 266 '12 • PAC-T-178 Outdoor unit 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 Cooling/Dehumidifying Heating ➀ speed ➁ speed ➂ speed ➃ speed ➄ speed ➅ speed ➆ speed 125, 140 Cooling/Dehumidifying Heating...
Page 267 '12 • PAC-T-178 (ii) 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. Lower limit: 130rpm Upper limit: 500rpm (iv) As any of the following conditions is established, this control terminates.
Page 268 '12 • PAC-T-178 Model 71 ~ 250 Outdoor air temp. (℃)［Tho-A］ Defrosting Model 71 (a) Defrosting start conditions If all of the following defrosting conditions A or conditions B are met, the defrosting operation starts. (i) Defrosting conditions A Cumulative compressor operation time after the end of defrosting has elapsed 37 minutes, and the Defrost operation start temperature zone...
Page 269 '12 • PAC-T-178 Protective control/anomalous stop control by compressor’s number of revolutions (a) Compressor discharge pipe temperature protection (i) Protective control As the discharge pipe temperature (detected with Tho-D) exceeds the setting value, the compressor speed (frequency) is controlled to suppress the rise of discharge pipe temperature. Reduces compressor speed at each minute.
Page 270 '12 • PAC-T-178 (d) Anomaly detection control by the high pressure switch (63H1) (i) If the pressure rises and operates the high pressure switch (opens at 4.15MPA/closes at 3.15MPa), the compressor stops. (ii) Under any of the following conditions, E40 is displayed and it enters the anomalous stop mode. When it occurs 5 times within 60 minutes that pressure rises and the compressor is stopped by 63H1.
Page 271 '12 • PAC-T-178 (h) Power transistor temperature protection Protective control If the power transistor temperature (detected with TIP) exceeds the setting value, the compressor speed (frequency) is controlled to suppress the rise of power transistor temperature. Reduces compressor frequency at each minute. Retention Note (1) Value in ( ) are for the single phase 100~140 model.
Page 272 '12 • PAC-T-178 (n) Broken wire detection on temperature thermistor and low pressure sensor (i) Outdoor unit heat exchanger thermistor, outdoor air thermistor and low pressure 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 273 '12 • PAC-T-178 Pump-down control 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 supply is turned OFF.) (a) Control contents (i) Close the service valve at the liquid side.
Page 274 '12 • PAC-T-178 2.11 MAINTENANCE DATA 2.11.1 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 275 '12 • PAC-T-178 (ii) Outdoor unit 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 276 '12 • PAC-T-178 (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 277 '12 • PAC-T-178 ■ 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 278 '12 • PAC-T-178 (i) Control PCB PSB012D990B 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 Address Plural indoor units control by 1 remote control...
Page 279 '12 • PAC-T-178 (ii) Power PCB PSC012D021 This PCB is a general PCB. Replace the PCB according to this instruction. 1)Replace the PCB a) Unscrew terminal(Arrow A) of the "E2" wiring(yellow/green) that is connected to PCB. b) Replace the PCB only after all the wirings connected to the connector are removed. c) Fix the board such that it will not pinch any of the wires.
Page 280 '12 • PAC-T-178 ●DIP switch setting list Switches Description Default setting Remarks Address No. setting at plural indoor units control by 1 R/C Keep OFF Reserved SW5-1 Reserved Keep OFF SW5-2 SW6-1 SW6-2 Model selection As per model See table 1 SW6-3 SW6-4 Normal * /Test run...
Page 281 '12 • PAC-T-178 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 cord 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 and outdoor PCB can assist to find the cause of malfunction smoothly by making a diagnosis of not only the anomaly of microcomutor, but also the anomaly in power supply system, installation space, overload resulting from improper charging amount of refrigerant and etc.
Page 282 '12 • PAC-T-178 Model FDC100VN, 125VN, 140VN PCA012D043 FDC100VS, 125VS, 140VS Replace the PCB after elapsing 3 minutes from power OFF. (Be sure to measure voltage (DC) on both capacitor terminals located in controller back, and check that the voltage is discharged sufficiently.) Disconnect the connectors from the control PCB.
Page 283 '12 • PAC-T-178 (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: WARNING Indicates an imminently hazardous situation which will result in death or serious ！...
Page 284 '12 • PAC-T-178 PCA012D025F (ii) Model FDC100VS, 125VS, 140VS Replace the PCB after elapsing 3 minutes from power OFF. (Be sure to measure voltage (DC) on both capacitor terminals located in controller 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 controller’s radiation heat fins.
Page 285 '12 • PAC-T-178 ●DIP switch setting list (Outdoor unit) (1) Control PCB Switches Description Default setting Remarks 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...
Page 286 '12 • PAC-T-178 Check of anomalous operation data with the remote control Number Data Item (a) In case of RC-E5 remote control (Operation Mode) Operation data can be checked with remote control unit operation. (Set Temperature) (i) Press the button. (Return Air Temperature) The display change “...
Page 287 '12 • PAC-T-178 (b) In case of RC-EX1A remote control [Operating procedure] (i) On the TOP screen, touch the buttons in the order of “Menu” ➝ “Next” ➝ “Service & Maintenance” ➝ “Service password” ➝ “Set” ➝ “Error display” ➝ “Error history”. (ii) When only one indoor unit is connected to the remote control, followings will be displayed.
Page 288 '12 • PAC-T-178 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? 1 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 289 '12 • PAC-T-178 (7) Inverter checker for diagnosis of inverter output 　●Checking method (a) Setup procedure of checker. (i) Power OFF (Turn off the breaker). (ii) Remove the terminal cover of compressor and disconnect the wires (U, V, W) from compressor. (iii) Connect the wires U (Red) , V (White) and W (Black) of checker to the terminal of disconnected wires (U, V, W) from compressor respectively.
Page 290 Models FDC100,125,140VN Outdoor unit check points ● Check items with the *mark when the power is ON. Capacitor check: DC Reactor continuity Check: Check for anomaly in appearance Noise filter check: Max 25mΩ such as damage, swelling, etc. There should be continuity. Power supply check: There should be no shorts between phases.
Page 291 FDC100,125,140VS Outdoor unit check points ● Resistance check: Capacitor check: Check items with the *mark when the power is ON. Resistance is measured DC Reactor contiuity Check for anomaly in appearance check:55mΩ or less such as damage,swwll,etc. (15Ω) Noise filter check: Power supply check: There should be continuity.
Page 292 '12 • PAC-T-178 2.11.2 Troubleshooting flow List of troubles Remote control 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) None Excessive noise/vibration (3/3) None...
Page 293 '12 • PAC-T-178 Troubleshooting Green Content Error code Keeps flashing Stays OFF Indoor None Operates but does not cool Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check the indoor unit fan operation. Check the temperature differnce between return and supply air.
Page 294 '12 • PAC-T-178 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 unit fan operation. Check the temperature differnce between return and supply air.
Page 295 '12 • PAC-T-178 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 296 '12 • PAC-T-178 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-...
Page 297 '12 • PAC-T-178 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 298 '12 • PAC-T-178 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/...
Page 299 '12 • PAC-T-178 Green Error code Content Power supply system error Indoor Stays OFF Stays OFF Remote control: None (Power supply to indoor control PCB) Outdoor Stays OFF 2 times flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure AC220/240V detected between 1 and 2 on the terminal block...
Page 300 '12 • PAC-T-178 Green Content Error code Power supply system error Keeps flashing 3 times flash Indoor None (Power supply to remote control) Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Isn't there any Correct.
Page 301 '12 • PAC-T-178 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 times flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are 2 units of remote control...
Page 302 '12 • PAC-T-178 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 times flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are more than Reduce to 2 units or less.
Page 303 '12 • PAC-T-178 Green Content Error code Communication error at Keeps flashing Stays OFF Indoor Remote control: WAIT initial operation (1/3) Keeps flashing 2 times flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure “ ” is still displayed on the WA IT remote control LED 2 minutes after power ON.
Page 304 '12 • PAC-T-178 Green Content Error code Communication error at Keeps flashing Stays OFF Indoor Remote control: WAIT initial operation (2/3) Keeps flashing 2 times flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Diagnosis for when the outdoor control PCB LED is turned off From previous Shut down the breaker and back on...
Page 305 '12 • PAC-T-178 Green Content Error code Communication error at Keeps flashing Stays OFF Indoor Remote control: WAIT initial operation (3/3) Keeps flashing 2 times flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Method to check for inverter PCB before replacement of blown power supply fuse.
Page 306 '12 • PAC-T-178 Green Content Error code Keeps flashing Stays OFF Indoor None No display Remote control: Keeps flashing 2 times flash 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 307 '12 • PAC-T-178 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 308 '12 • PAC-T-178 Green Content Error code Keeps flashing 2 times 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-times Note (1) Inspect faulty connections (disconnection, looseness) on the outdoor unit terminal block.
Page 309 '12 • PAC-T-178 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.
Page 310 '12 • PAC-T-178 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 311 '12 • PAC-T-178 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 heat indoor heat exchanger...
Page 312 '12 • PAC-T-178 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 313 '12 • PAC-T-178 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 remoto control Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 314 '12 • PAC-T-178 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 FMI2 only. 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 315 '12 • PAC-T-178 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 control Is SW7-1...
Page 316 '12 • PAC-T-178 Green Content Indoor fan motor rotation Error code Keeps flashing 1 ( 2 ) time flash Indoor Remote control: speed anomaly Keeps flashing Stays OFF Outdoor Note (1) Value in (　) is for the FMI2 only. 5. Troubleshooting 1.
Page 317 '12 • PAC-T-178 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 318 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1 time flash Cooling overload operation Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure * For the characteristics of outdoor...
Page 319 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Discharge pipe temperature Remote control: Outdoor control PCB Keeps flashing 1 time flash error Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure * For the characteristics of discharge...
Page 320 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Outdoor heat exchanger Remote control: Outdoor control PCB Keeps flashing 1 time flash temperature themistor anomaly Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 321 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Outdoor air temperature Remote control: Outdoor control PCB Keeps flashing 1 time flash thermistor anomaly Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 322 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Discharge pipe Remote control: Outdoor control PCB Keeps flashing 1 time flash temperature thermistor anomaly Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 323 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: High pressure error Outdoor control PCB Keeps flashing 1 time flash (63H1 activated) Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 324 '12 • PAC-T-178 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 6 times flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 325 '12 • PAC-T-178 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 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the...
Page 326 '12 • PAC-T-178 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 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page Is the...
Page 327 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Communication error between Remote control: Outdoor control PCB Keeps flashing 1 time flash inverter PCB and outdoor control PCB Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1.
Page 328 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1 time flash Outdoor fan motor anomaly Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any foreign...
Page 329 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Low pressure error or Remote control: Outdoor control PCB Keeps flashing 1 time flash low pressure sensor anomaly (1/2) Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1.
Page 330 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Low pressure error or Remote control: Outdoor control PCB Keeps flashing 1 time flash low pressure sensor anomaly (2/2) Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1.
Page 331 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1 time flash Inverter and fan motor anomaly Yellow LED Outdoor inverter 6 times flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 332 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Suction pipe temperature Outdoor control PCB Keeps flashing 1 time flash thermistor anomaly Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 333 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1 time flash Low pressure sensor anomaly Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are the...
Page 334 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Insufficient refrigerant amount Outdoor control PCB Keeps flashing 1 time flash or detection of service valve Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1.
Page 335 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 5 times flash Compressor startup failure (1/2) Yellow LED Outdoor inverter Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure In case that the compressor...
Page 336 '12 • PAC-T-178 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 5 times flash Compressor startup failure (2/2) Yellow LED Outdoor inverter Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page...
Page 337 '12 • PAC-T-178 3 OPTION PARTS CONTENTS CONTENTS 3.1 WIRELESS KIT (RCN-KIT3-E) ..............337 3.2 SIMPLE WIRED REMOTE CONTROL (RCH-E3) ........339 3.3 BASE HEATER KIT (CW-H-E1) ..............345...
Page 338 '12 • PAC-T-178 3.1 WIRELESS KIT (RCN-KIT3-E) Notes: ③ How to install the receiver Following functions of FDU indoor unit series are not able to be set with this wireless remote control (RCN-KIT3-E). 1. 4-fan speed setting (PHi/Hi/Me/Lo) 3-fan speed setting (Hi/Me/Lo) The following two methods can be used to install the receiver onto a ceiling or a wall.
Page 339 '12 • PAC-T-178 ④ Remote control (B) Control plural indoor units with one remote control Up to 16 indoor units can be connected. Installation of the control holder ①Connect the XY terminal with 2-core wire. Restrictions on the thickness and length of wire As for the size, refer to the following note.
Page 340 '12 • PAC-T-178 3.2 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 (PHi/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 341 '12 • PAC-T-178 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 342 '12 • PAC-T-178 In case of exposing cord Simple Remote Control Installation Manual PJZ012D069 ⑴ M ake certain to remove a screw on the bottom surface of the remote control. Read together with indoor unit's installation manual. WARNING ⑴ ● F asten 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 343 '12 • PAC-T-178 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 344 connecting section. Be careful about contact failure. unit. (No polarity of X and Y) 100 - 200m･････････････････0.5mm × 2 cores Under 300m･････････････････0.75mm × 2 cores ⑹ M ount the upper case for restoring to its former state so as not to crimp the remote control cord, Under 400m･････････････････1.25mm ×...
Page 345 ailure. “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 346 '12 • PAC-T-178 3.3 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 347 '12 • PAC-T-178 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 348 '12 • PAC-T-178 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 349 '12 • PAC-T-178 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 350 '12 • PAC-T-178 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 351 '12 • PAC-T-178 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 352 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 EUROPE, LTD. AIR-CONDITIONING DIVISION 4th Floor International Buildings 71 Kingsway, London, WC2B 6ST United Kingdom PJG000Z160-15 ＊#...
Page 353 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 EUROPE, LTD. AIR-CONDITIONING DIVISION 4th Floor International Buildings 71 Kingsway, London, WC2B 6ST United Kingdom PJG000Z160-16 ＊#...
Page 354 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 EUROPE, LTD. AIR-CONDITIONING DIVISION 4th Floor International Buildings 71 Kingsway, London, WC2B 6ST United Kingdom PJG000Z160-17 ＊#...
Page 355 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 EUROPE, LTD. AIR-CONDITIONING DIVISION 4th Floor International Buildings 71 Kingsway, London, WC2B 6ST United Kingdom PJG000Z160-18 ＊#...
Page 356 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 EUROPE, LTD. AIR-CONDITIONING DIVISION 4th Floor International Buildings 71 Kingsway, London, WC2B 6ST United Kingdom PJG000Z160-19 ＊#...
Page 357 INVERTER DUCT CONNECTED-HIGH STATIC PRESSURE TYPE AIR-CONDITIONERS Air-Conditioning & Refrigeration Systems 16-5, Konan 2-chome, Minato-ku, Tokyo, 108-8215 Japan http://www.mhi.co.jp Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. Copyright MITSUBISHI HEAVY INDUSTRIES, LTD.

Mitsubishi Heavy Industries MHI FDU71VNXVF1 Technical Manual

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