Mitsubishi Heavy Industries MHI FDU71VNXVF1 User manual

Manual No.'12•PAC-T-178
(Split system, air to air heat pump type)
FDU71VNXVF1
FDU100VNXVF1
FDU100VSXVF1
FDU125VNXVF
FDU125VSXVF
FDU140VNXVF
FDU140VSXVF
FDU100VNVF1
FDU100VSVF1
FDU125VNVF
FDU125VSVF
FDU140VNVF
FDU140VSVF
All FDU
Indoor unit Changes
History of service code
outdoor unit Changes
History of service code
FDC71VNX
1 Ａ
1 Ａ
1 Ａ
1 Ａ
1 -
FDC100VNX
FDC125VNX
FDC140VNX
FDC100VN,FDC100VS
FDC125VN,FDC125VS
FDC140VN,FDC140VS
A B C
A B C
A B C
blank
blank
blank
1→Ａ Comply with Lot 10
blank→Ａ Expand usage temp range to -20℃in heating
A→B Expand diameter of half punched hole for the pipes to be
drawn in from behind
B→C Replace to new compressor and new PCB,
Comply with Lot 10
Please refer to technical information : MQC-TSI-12010
This technical manual can be applyed for all service code.
Service code
Revision : Lot10 data(P351〜355)
December 26,2012

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TABLE OF CONTENTS
1. HYPER INVERTER 2
2. MICRO INVERTER .....................................................................................181
.....................................................................................002
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.
Regulation (EU)No 206/2012 of 6 March 2012: requirements for air-conditioners and comfort
fans.
2. Specification table (Lot10 data)
Indoor unit model name / outdoor unit model name
(1)FDU71VF1 / FDC71VNX ......................................................... 351
(2)FDU100VF1 / FDC100VNX ..................................................... 352
..................................................... 353
(3)FDU100VF1 / FDC100VSX
...................................................... 354
(4)FDU100VF1 / FDC100VN
...................................................... 355
(5)FDU100VF1 / FDC100VS
＊#

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1 HYPER INVERTER
1.1 SPECIFICATIONS ...................................................................................... 5
1.2 EXTERIOR DIMENSIONS .......................................................................... 12
(1) Indoor units ........................................................................................... 12
(2) Outdoor units ........................................................................................ 14
1.3 ELECTRICAL WIRING ............................................................................... 19
(1) Indoor units ........................................................................................... 19
(2) Outdoor units ........................................................................................ 21
1.4 NOISE LEVEL ............................................................................................. 24
(3) Remote control (Option parts) ............................................................... 16
1.6 PIPING SYSTEM ......................................................................................... 30
1.5 CHARACTERISTICS OF FAN .................................................................... 26
1.7 RANGE OF USAGE & LIMITATIONS ........................................................ 31
1.8 SELECTION CHART .................................................................................. 34
1.9 APPLICATION DATA ................................................................................. 42
1.10 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER .............. 82
(1) Auto operation ....................................................................................... 88
(2) Operations of functional items during cooling/heating .......................... 89
CONTENTS
(4) Timer operation ..................................................................................... 90
(5) Remote control display during the operation stop ................................. 91
(6) Hot start (Cold draft prevention at heating) .......................................... 91
(7) Hot keep ................................................................................................ 91
...................................................................... 94
(8) Thermostat operation ............................................................................ 92
(9) Filter sign ............................................................................................... 93
................................................ 93
(12) Drain motor (DM) control
(10) Compressor inching prevention control
(11) Drain pump control ............................................................................... 94
(3) Dehumidifying operation ....................................................................... 89
1.8.2 Correction of cooling and heating capacity in relation to air flow rate control (fan speed)
1.8.3 Correction of cooling and heating capacity in relation to one way length of refrigerant piping
1.8.4 Height difference between the indoor unit and outdoor unit
............ 40
........ 40
.......... 40
1.8.1 Capacity tables .................................................................................... 34
1.9.4 Installation of outdoor unit ................................................................. 66
1.9.2 Electric wiring work installation ........................................................ 48
1.9.1 Installation of indoor unit ................................................................... 42
1.9.3 Installation of wired remote control (option) ................................... 52
1.10.1 Remote control .................................................................................... 82
1.10.2 Operation control function by the wired remote control
1.10.3 Operation control function by the indoor control ............................ 88
................. 85

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.................................................................. 95
......................... 94
(15) Heating overload protection
(13) Operation check/drain pump test run operation mode
(14) Cooling, dehumidifying frost protection ................................................. 95
............................................................................... 96
........................................................................... 95
(18) High ceiling control
(16) Anomalous fan motor
(17)
Plural unit control - Control of 16 units group by one remote control .............. 96
........................................ 97
..... 96
(20) External input/output control (CnT or CnTA)
(19)
Abnormal temperature thermistor (return air/indoor heat exchanger) wire/short-circuit detection
(21) Operation permission/prohibition .......................................................... 98
..............................100(22) Selection of cooling/heating external input function
..................................................101
...............................................................101
(25) Return air temperature compensation
(23) Fan control at heating startup
(24)
Room temperature detection temperature compensation during heating ........101
.................................................101(26) High power operation (RC-EX1A only)
............................................101(27) Energy-saving operation (RC-EX1A only)
.........................................................101(28) Warm-up control (RC-EX1A only)
......................................................101(29) Home leave mode (RC-EX1A only)
......................................................101(30) Auto temp. setting (RC-EX1A only)
..............................................102(31) Fan circulator operation (RC-EX1A only)
........102(32)
The operation judgment is executed every 5 minutes (RC-EX1A only)
...............................................102(33) Auto fan speed control (RC-EX1A only)
.......................................................102(34) IU overload alarm (RC-EX1A only)
1.10.4 Operation control function by the outdoor control .........................103
(1) Determination of compressor speed (frequency) ..................................103
(2) Compressor start control ......................................................................103
(3) Compressor soft start control ...............................................................104
(4) Outdoor unit fan control .......................................................................105
(5) Defrosting .............................................................................................107
(6)
Protective control/anomalous stop control by compressor,s number of revolutions ......108
(7) Silent mode ..........................................................................................112
(8) Test run ................................................................................................112
(9) Pump-down control ..............................................................................112
.......................................113(10) Base heater ON/OFF output control (option)
1.11 MAINTENANCE DATA ...............................................................................114
1.11.1 Diagnosing of microcomputer circuit ..............................................114
(1) Selfdiagnosis function ..........................................................................114
(2) Troubleshooting procedure ..................................................................117
(3) Troubleshooting at the indoor unit .......................................................117
(4) Troubleshooting at the outdoor unit .....................................................121

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(5) Check of anomalous operation data with the remote control ..............128
(6)
Power transistor module (including the driver PCB) inspection procedure .....130
■How to read the model name
Example: FDU 100 VNX VF1
Series code
Applicable power source...See the specification
Product capacity
Model name〔Duct connected-High static pressure type〕
.........................................................................135
(1) List of troubles ......................................................................................135
(2) Troubleshooting ...................................................................................136
(7) Inverter checker for diagnosis of inverter output ..................................131
1.11.2 Troubleshooting flow
(8) Outdoor unit control failure diagnosis circuit diagram ..........................132

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1.1 SPECIFICATIONS
PJG000Z044
Model
Item
FDU71VNXVF1
Indoor unit FDU71VF1 Outdoor unit FDC71VNX
Power source 220-240V ~ 50Hz / 220V ~ 60Hz
Operation data Cooling Heating
Nominal capacity kW 7.1 [3.2 (Min.) ~ 8.0 (Max.)] 8.0 [3.6 (Min.) ~ 9.0 (Max.)]
Power consumption kW 2.05 2.01
Running current A 9.1 / 9.5 9.1 / 9.5
Power factor % 98 96
Inrush current A 5 <Max.running current 17>
Sound Pressure Level dB(A) P-Hi : 38 Hi : 33 Me : 29 Lo : 25 Cooling : 51, Heating : 48
Exterior dimensions
Height × Width × Depth mm 280 × 950 × 635 750 × 880 (+88) × 340
Exterior appearance
(Munsell color) —Stucco White (4.2Y7.5/1.1) near equivalent
Net weight kg 34 60
Refrigerant equipment
Compressor type & Q'ty — RMT5118MDE2 × 1
Starting method — Direct line start
Refrigerant oil — 0.675 (M-MA68)
Heat exchanger Louver fin & inner grooved tubing M shape fin & inner grooved tubing
Refrigerant control — Electronic expansion valve
Air handling equipment
Fan type & Q'ty Centrifugal fan × 2 Propeller fan × 1
Motor <Starting method> W 130 <Direct line start> 86 <Direct line start>
Air flow (Standard) CMM P-Hi : 24 Hi : 19 Me : 15 Lo : 10 Cooling : 60, Heating : 50
External static pressure Pa Standard : 35 Max : 200 0
Outside air intake Possible —
Air filter, Q'ty Procure locally —
Shock & vibration absorber Rubber sleeve (for fan motor) Rubber sleeve (for Compressor)
Insulation (noise & heat) Polyurethane form —
Electric heater W — 20 (Crank case heater)
Remote control wired : RC-EX1A, RC-E5 (option) wireless : RCN-KIT3-E (option)
Room temperature control Thermostat by electronics —
Safety equipment Overload protection for fan motor
Frost protection thermostat
Internal thermostat for fan motor
Abnormal discharge temperature protection.
Installation data
Refrigerant piping size mm Liquid line : I/Uφ9.52 (3/8") Pipeφ9.52 (3/8") × 0.8 O/Uφ9.52 (3/8")
Gas line : φ15.88 (5/8") φ15.88 (5/8") × 1.0 φ15.88 (5/8")
Connecting method Flare piping Flare piping
Refrigerant line (one way) length Max.50m
Vertical height difference between
outdoor unit and indoor unit
Max.30m (Outdoor unit is higher) See page 33
Max.15m (Outdoor unit is lower)
Refrigerant Quantity R410A 2.95kg in outdoor unit (incl. the amount for the piping of : 30m)
Drain pump Built-in Drain pump —
Drain Hose Connectable with VP25 (I.D.25mm, O.D.32mm) Holes size φ20 × 3pcs
IP code IPXO IPX4
Insulation for piping Necessary (both Liquid & Gas lines)
Standard Accessories Drain hose —
Adapted to RoHS directive
(2) This packaged air-conditioner is manufactured and tested in conformity with the ISO.
(3) Sound pressure level indicates the value in an anechoic chamber. During operation these value are somewhat higher due to
ambient temperature.
(4) The operation data indicates when the air-conditioner is operated at 230V50Hz or 220V60Hz.
(5) The factory E.S.P. setting is set within the range of 80-150 Pa. If SW8-4 is turned to "ON", E.S.P. setting range can be
changed to 10-200 Pa.
(6) If wireless remote control is used, only 3-speed fan setting (Hi-Me-Lo) is available.
Notes (1) The data are measured at the following conditions.
Item Indoor air temperature Outdoor air temperature External static pressure of indoor unit
Operation DB WB DB WB Pa
Cooling 27˚C 19˚C 35˚C 24˚C 35
Heating 20˚C 7˚C 6˚C

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PJG000Z044
Model
Item
FDU100VNXVF1
Indoor unit FDU100VF1 Outdoor unit FDC100VNX
Power source 220-240V ~ 50Hz / 220V ~ 60Hz
Operation data Cooling Heating
Nominal capacity kW 10.0 [4.0 (Min.) ~ 11.2 (Max.)] 11.2 [4.0 (Min.) ~ 12.5 (Max.)]
Power consumption kW 2.68 3.02
Running current A 12.0 / 12.5 13.5 / 14.1
Power factor % 97 97
Inrush current A 5 <Max.running current 25>
Sound Pressure Level dB(A) P-Hi : 44 Hi : 38 Me : 36 Lo : 30 Cooling : 48 Heating : 50
Exterior dimensions
Height × Width × Depth mm 280 × 1,370 × 740 1,300 × 970 × 370
Exterior appearance
(Munsell color) —Stucco White (4.2Y7.5/1.1) near equivalent
Net weight kg 54 105
Refrigerant equipment
Compressor type & Q'ty — RMT5134MDE2 × 1
Starting method — Direct line start
Refrigerant oil — 0.9 M-MA68
Heat exchanger Louver fin & inner grooved tubing M shape fin & inner grooved tubing
Refrigerant control — Electronic expansion valve
Air handling equipment
Fan type & Q'ty Centrifugal fan × 3 Propeller fan × 2
Motor <Starting method> W 100 + 130 <Direct line start> 86 × 2 <Direct line start>
Air flow (Standard) CMM P-Hi : 36 Hi : 28 Me : 25 Lo : 19 100
External static pressure Pa Standard : 60 Max : 200 0
Outside air intake Possible —
Air filter, Q'ty Procure locally —
Shock & vibration absorber Rubber sleeve (for fan motor) Rubber sleeve (for Compressor)
Insulation (noise & heat) Polyurethane form —
Electric heater W — 20 (Crank case heater)
Remote control wired : RC-EX1A, RC-E5 (option) wireless : RCN-KIT3-E (option)
Room temperature control Thermostat by electronics —
Safety equipment Overload protection for fan motor
Frost protection thermostat
Internal thermostat for fan motor
Abnormal discharge temperature protection.
Installation data
Refrigerant piping size mm Liquid line : I/Uφ9.52 (3/8") Pipeφ9.52 (3/8") × 0.8 O/Uφ9.52 (3/8")
Gas line : φ15.88 (5/8") φ15.88 (5/8") × 1.0 φ15.88 (5/8")
Connecting method Flare piping Flare piping
Refrigerant line (one way) length Max.100m
Vertical height difference between
outdoor unit and indoor unit
Max.30m (Outdoor unit is higher) See page 33
Max.15m (Outdoor unit is lower)
Refrigerant Quantity R410A 4.5kg in outdoor unit (incl. the amount for the piping of : 30m)
Drain pump Built-in Drain pump —
Drain Hose Connectable with VP25 (I.D.25mm, O.D.32mm) Holes size φ20 × 3pcs
IP code IPXO IPX4
Insulation for piping Necessary (both Liquid & Gas lines)
Standard Accessories Drain hose Edging
Adapted to RoHS directive
(2) This packaged air-conditioner is manufactured and tested in conformity with the ISO.
(3) Sound pressure level indicates the value in an anechoic chamber. During operation these value are somewhat higher due to
ambient temperature.
(4) The operation data indicates when the air-conditioner is operated at 230V50Hz or 220V60Hz.
(5) The factory E.S.P. setting is set within the range of 80-150 Pa. If SW8-4 is turned to "ON", E.S.P. setting range can be
changed to 10-200 Pa.
(6) If wireless remote control is used, only 3-speed fan setting (Hi-Me-Lo) is available.
Notes (1) The data are measured at the following conditions.
Item Indoor air temperature Outdoor air temperature External static pressure of indoor unit
Operation DB WB DB WB Pa
Cooling 27˚C 19˚C 35˚C 24˚C 60
Heating 20˚C 7˚C 6˚C

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PJG000Z044
Model
Item
FDU100VSXVF1
Indoor unit FDU100VF1 Outdoor unit FDC100VSX
Power source 380-415V 3N ~ 50Hz / 380V 3N ~ 60Hz
Operation data Cooling Heating
Nominal capacity kW 10.0 [4.0 (Min.) ~ 11.2 (Max.)] 11.2 [4.0 (Min.) ~ 16.0 (Max.)]
Power consumption kW 2.68 3.02
Running current A 4.0 / 4.2 4.5 / 4.7
Power factor % 97 97 / 98
Inrush current A 5 <Max.running current 16>
Sound Pressure Level dB(A) P-Hi : 44 Hi : 38 Me : 36 Lo : 30 Cooling : 48 Heating : 50
Exterior dimensions
Height × Width × Depth mm 280 × 1,370 × 740 1,300 × 970 × 370
Exterior appearance
(Munsell color) —Stucco White (4.2Y7.5/1.1) near equivalent
Net weight kg 54 105
Refrigerant equipment
Compressor type & Q'ty — RMT5134MDE3 × 1
Starting method — Direct line start
Refrigerant oil — 0.9 M-MA68
Heat exchanger Louver fin & inner grooved tubing M shape fin & inner grooved tubing
Refrigerant control — Electronic expansion valve
Air handling equipment
Fan type & Q'ty Centrifugal fan × 3 Propeller fan × 2
Motor <Starting method> W 100 + 130 <Direct line start> 86 × 2 <Direct line start>
Air flow (Standard) CMM P-Hi : 36 Hi : 28 Me : 25 Lo : 19 100
External static pressure Pa Standard : 60 Max : 200 0
Outside air intake Possible —
Air filter, Q'ty Procure locally —
Shock & vibration absorber Rubber sleeve (for fan motor) Rubber sleeve (for Compressor)
Insulation (noise & heat) Polyurethane form —
Electric heater W — 20 (Crank case heater)
Remote control wired : RC-EX1A, RC-E5 (option) wireless : RCN-KIT3-E (option)
Room temperature control Thermostat by electronics —
Safety equipment Overload protection for fan motor
Frost protection thermostat
Internal thermostat for fan motor
Abnormal discharge temperature protection.
Installation data
Refrigerant piping size mm Liquid line : I/Uφ9.52 (3/8") Pipeφ9.52 (3/8") × 0.8 O/Uφ9.52 (3/8")
Gas line : φ15.88 (5/8") φ15.88 (5/8") × 1.0 φ15.88 (5/8")
Connecting method Flare piping Flare piping
Refrigerant line (one way) length Max.100m
Vertical height difference between
outdoor unit and indoor unit
Max.30m (Outdoor unit is higher) See page 33
Max.15m (Outdoor unit is lower)
Refrigerant Quantity R410A 4.5kg in outdoor unit (incl. the amount for the piping of : 30m)
Drain pump Built-in Drain pump —
Drain Hose Connectable with VP25 (I.D.25mm, O.D.32mm) Holes size φ20 × 3pcs
IP code IPXO IPX4
Insulation for piping Necessary (both Liquid & Gas lines)
Standard Accessories Drain hose Edging
Adapted to RoHS directive
(2) This packaged air-conditioner is manufactured and tested in conformity with the ISO.
(3) Sound pressure level indicates the value in an anechoic chamber. temperature. During operation these value are somewhat
higher due to ambient.
(4) The operation data indicates when the air-conditioner is operated at 400V50Hz or 380V60Hz.
(5) The factory E.S.P. setting is set within the range of 80-150 Pa. If SW8-4 is turned to "ON", E.S.P. setting range can be
changed to 10-200 Pa.
(6) If wireless remote control is used, only 3-speed fan setting (Hi-Me-Lo) is available.
Notes (1) The data are measured at the following conditions.
Item Indoor air temperature Outdoor air temperature External static pressure of indoor unit
Operation DB WB DB WB Pa
Cooling 27˚C 19˚C 35˚C 24˚C 60
Heating 20˚C 7˚C 6˚C

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PJG000Z044
Model
Item
FDU125VNXVF
Indoor unit FDU125VF Outdoor unit FDC125VNX
Power source 220-240V ~ 50Hz / 220V ~ 60Hz
Operation data Cooling Heating
Nominal capacity kW 12.5 [5.0 (Min.) ~ 14.0 (Max.)] 14.0 [4.0 (Min.) ~ 17.0 (Max.)]
Power consumption kW 3.49 3.77
Running current A 15.5 / 16.2 16.8 / 17.6
Power factor % 98 98 / 97
Inrush current A 5 <Max.running current 29>
Sound Pressure Level dB(A) P-Hi : 45 Hi : 40 Me : 34 Lo : 29 Cooling : 48 Heating : 50
Exterior dimensions
Height × Width × Depth mm 280 × 1,370 × 740 1,300 × 970 × 370
Exterior appearance
(Munsell color) —Stucco White (4.2Y7.5/1.1) near equivalent
Net weight kg 54 105
Refrigerant equipment
Compressor type & Q'ty — RMT5134MDE2 × 1
Starting method — Direct line start
Refrigerant oil — 0.9 M-MA68
Heat exchanger Louver fin & inner grooved tubing M shape fin & inner grooved tubing
Refrigerant control — Electronic expansion valve
Air handling equipment
Fan type & Q'ty Centrifugal fan × 3 Propeller fan × 2
Motor <Starting method> W 100 + 200 <Direct line start> 86 × 2 <Direct line start>
Air flow (Standard) CMM P-Hi : 39 Hi : 32 Me : 26 Lo : 20 100
External static pressure Pa Standard : 60 Max : 200 0
Outside air intake Possible —
Air filter, Q'ty Procure locally —
Shock & vibration absorber Rubber sleeve (for fan motor) Rubber sleeve (for Compressor)
Insulation (noise & heat) Polyurethane form —
Electric heater W — 20 (Crank case heater)
Remote control wired : RC-EX1A, RC-E5 (option) wireless : RCN-KIT3-E (option)
Room temperature control Thermostat by electronics —
Safety equipment Overload protection for fan motor
Frost protection thermostat
Internal thermostat for fan motor
Abnormal discharge temperature protection.
Installation data
Refrigerant piping size mm Liquid line : I/Uφ9.52 (3/8") Pipeφ9.52 (3/8") × 0.8 O/Uφ9.52 (3/8")
Gas line : φ15.88 (5/8") φ15.88 (5/8") × 1.0 φ15.88 (5/8")
Connecting method Flare piping Flare piping
Refrigerant line (one way) length Max.100m
Vertical height difference between
outdoor unit and indoor unit
Max.30m (Outdoor unit is higher) See page 33
Max.15m (Outdoor unit is lower)
Refrigerant Quantity R410A 4.5kg in outdoor unit (incl. the amount for the piping of : 30m)
Drain pump Built-in Drain pump —
Drain Hose Connectable with VP25 (I.D.25mm, O.D.32mm) Holes size φ20 × 3pcs
IP code IPXO IPX4
Insulation for piping Necessary (both Liquid & Gas lines)
Standard Accessories Drain hose Edging
Adapted to RoHS directive
(2) This packaged air-conditioner is manufactured and tested in conformity with the ISO.
(3) Sound pressure level indicates the value in an anechoic chamber. During operation these value are somewhat higher due to
ambient temperature.
(4) The operation data indicates when the air-conditioner is operated at 230V50Hz or 220V60Hz.
(5) The factory E.S.P. setting is set within the range of 80-150 Pa. If SW8-4 is turned to "ON", E.S.P. setting range can be
changed to 10-200 Pa.
(6) If wireless remote control is used, only 3-speed fan setting (Hi-Me-Lo) is available.
Notes (1) The data are measured at the following conditions.
Item Indoor air temperature Outdoor air temperature External static pressure of indoor unit
Operation DB WB DB WB Pa
Cooling 27˚C 19˚C 35˚C 24˚C 60
Heating 20˚C 7˚C 6˚C

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PJG000Z044
Model
Item
FDU125VSXVF
Indoor unit FDU125VF Outdoor unit FDC125VSX
Power source 380-415V 3N ~ 50Hz / 380V 3N ~ 60Hz
Operation data Cooling Heating
Nominal capacity kW 12.5 [5.0 (Min.) ~ 14.0 (Max.)] 14.0 [4.0 (Min.) ~ 18.0 (Max.)]
Power consumption kW 3.49 3.77
Running current A 5.2 / 5.5 5.6 / 5.9
Power factor % 97 / 96 97
Inrush current A 5 <Max.running current 18>
Sound Pressure Level dB(A) P-Hi : 45 Hi : 40 Me : 34 Lo : 29 Cooling : 48 Heating : 50
Exterior dimensions
Height × Width × Depth mm 280 × 1,370 × 740 1,300 × 970 × 370
Exterior appearance
(Munsell color) —Stucco White (4.2Y7.5/1.1) near equivalent
Net weight kg 54 105
Refrigerant equipment
Compressor type & Q'ty — RMT5134MDE3 × 1
Starting method — Direct line start
Refrigerant oil — 0.9 M-MA68
Heat exchanger Louver fin & inner grooved tubing M shape fin & inner grooved tubing
Refrigerant control — Electronic expansion valve
Air handling equipment
Fan type & Q'ty Centrifugal fan × 3 Propeller fan × 2
Motor <Starting method> W 100 + 200 <Direct line start> 86 × 2 <Direct line start>
Air flow (Standard) CMM P-Hi : 39 Hi : 32 Me : 26 Lo : 20 100
External static pressure Pa Standard : 60 Max : 200 0
Outside air intake Possible —
Air filter, Q'ty Procure locally —
Shock & vibration absorber Rubber sleeve (for fan motor) Rubber sleeve (for Compressor)
Insulation (noise & heat) Polyurethane form —
Electric heater W — 20 (Crank case heater)
Remote control wired : RC-EX1A, RC-E5 (option) wireless : RCN-KIT3-E (option)
Room temperature control Thermostat by electronics —
Safety equipment Overload protection for fan motor
Frost protection thermostat
Internal thermostat for fan motor
Abnormal discharge temperature protection.
Installation data
Refrigerant piping size mm Liquid line : I/Uφ9.52 (3/8") Pipeφ9.52 (3/8") × 0.8 O/Uφ9.52 (3/8")
Gas line : φ15.88 (5/8") φ15.88 (5/8") × 1.0 φ15.88 (5/8")
Connecting method Flare piping Flare piping
Refrigerant line (one way) length Max.100m
Vertical height difference between
outdoor unit and indoor unit
Max.30m (Outdoor unit is higher) See page 33
Max.15m (Outdoor unit is lower)
Refrigerant Quantity R410A 4.5kg in outdoor unit (incl. the amount for the piping of : 30m)
Drain pump Built-in Drain pump —
Drain Hose Connectable with VP25 (I.D.25mm, O.D.32mm) Holes size φ20 × 3pcs
IP code IPXO IPX4
Insulation for piping Necessary (both Liquid & Gas lines)
Standard Accessories Drain hose Edging
Adapted to RoHS directive
(2) This packaged air-conditioner is manufactured and tested in conformity with the ISO.
(3) Sound pressure level indicates the value in an anechoic chamber. temperature. During operation these value are somewhat
higher due to ambient.
(4) The operation data indicates when the air-conditioner is operated at 400V50Hz or 380V60Hz.
(5) The factory E.S.P. setting is set within the range of 80-150 Pa. If SW8-4 is turned to "ON", E.S.P. setting range can be
changed to 10-200 Pa.
(6) If wireless remote control is used, only 3-speed fan setting (Hi-Me-Lo) is available.
Notes (1) The data are measured at the following conditions.
Item Indoor air temperature Outdoor air temperature External static pressure of indoor unit
Operation DB WB DB WB Pa
Cooling 27˚C 19˚C 35˚C 24˚C 60
Heating 20˚C 7˚C 6˚C

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PJG000Z044
Model
Item
FDU140VNXVF
Indoor unit FDU140VF Outdoor unit FDC140VNX
Power source 220-240V ~ 50Hz / 220V ~ 60Hz
Operation data Cooling Heating
Nominal capacity kW 14.0 [5.0 (Min.) ~ 14.5 (Max.)] 16.0 [4.0 (Min.) ~ 18.0 (Max.)]
Power consumption kW 4.28 4.42
Running current A 19.2 / 20.1 19.8 / 20.7
Power factor % 97 97
Inrush current A 5 <Max.running current 30>
Sound Pressure Level dB(A) P-Hi : 47 Hi : 40 Me : 35 Lo : 30 Cooling : 49 Heating : 52
Exterior dimensions
Height × Width × Depth mm 280 × 1,370 × 740 1,300 × 970 × 370
Exterior appearance
(Munsell color) —Stucco White (4.2Y7.5/1.1) near equivalent
Net weight kg 54 105
Refrigerant equipment
Compressor type & Q'ty — RMT5134MDE2 × 1
Starting method — Direct line start
Refrigerant oil — 0.9 M-MA68
Heat exchanger Louver fin & inner grooved tubing M shape fin & inner grooved tubing
Refrigerant control — Electronic expansion valve
Air handling equipment
Fan type & Q'ty Centrifugal fan × 3 Propeller fan × 2
Motor <Starting method> W 100 + 200 <Direct line start> 86 × 2 <Direct line start>
Air flow (Standard) CMM P-Hi : 48 Hi : 35 Me : 28 Lo : 22 100
External static pressure Pa Standard : 60 Max : 200 0
Outside air intake Possible —
Air filter, Q'ty Procure locally —
Shock & vibration absorber Rubber sleeve (for fan motor) Rubber sleeve (for Compressor)
Insulation (noise & heat) Polyurethane form —
Electric heater W — 20 (Crank case heater)
Remote control wired : RC-EX1A, RC-E5 (option) wireless : RCN-KIT3-E (option)
Room temperature control Thermostat by electronics —
Safety equipment Overload protection for fan motor
Frost protection thermostat
Internal thermostat for fan motor
Abnormal discharge temperature protection.
Installation data
Refrigerant piping size mm Liquid line : I/Uφ9.52 (3/8") Pipeφ9.52 (3/8") × 0.8 O/Uφ9.52 (3/8")
Gas line : φ15.88 (5/8") φ15.88 (5/8") × 1.0 φ15.88 (5/8")
Connecting method Flare piping Flare piping
Refrigerant line (one way) length Max.100m
Vertical height difference between
outdoor unit and indoor unit
Max.30m (Outdoor unit is higher) See page 33
Max.15m (Outdoor unit is lower)
Refrigerant Quantity R410A 4.5kg in outdoor unit (incl. the amount for the piping of : 30m)
Drain pump Built-in Drain pump —
Drain Hose Connectable with VP25 (I.D.25mm, O.D.32mm) Holes size φ20 × 3pcs
IP code IPXO IPX4
Insulation for piping Necessary (both Liquid & Gas lines)
Standard Accessories Drain hose Edging
Adapted to RoHS directive
(2) This packaged air-conditioner is manufactured and tested in conformity with the ISO.
(3) Sound pressure level indicates the value in an anechoic chamber. During operation these value are somewhat higher due to
ambient temperature.
(4) The operation data indicates when the air-conditioner is operated at 230V50Hz or 220V60Hz.
(5) The factory E.S.P. setting is set within the range of 80-150 Pa. If SW8-4 is turned to "ON", E.S.P. setting range can be
changed to 10-200 Pa.
(6) If wireless remote control is used, only 3-speed fan setting (Hi-Me-Lo) is available.
Notes (1) The data are measured at the following conditions.
Item Indoor air temperature Outdoor air temperature External static pressure of indoor unit
Operation DB WB DB WB Pa
Cooling 27˚C 19˚C 35˚C 24˚C 60
Heating 20˚C 7˚C 6˚C

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11
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'12 • PAC-T-178
PJG000Z044
Model
Item
FDU140VSXVF
Indoor unit FDU140VF Outdoor unit FDC140VSX
Power source 380-415V 3N ~ 50Hz / 380V 3N ~ 60Hz
Operation data Cooling Heating
Nominal capacity kW 14.0 [5.0 (Min.) ~ 14.5 (Max.)] 16.0 [4.0 (Min.) ~ 20.0 (Max.)]
Power consumption kW 4.28 4.42
Running current A 6.4 / 6.7 6.6 / 6.9
Power factor % 97 97
Inrush current A 5 <Max.running current 19>
Sound Pressure Level dB(A) P-Hi : 47 Hi : 40 Me : 35 Lo : 30 Cooling : 49 Heating : 52
Exterior dimensions
Height × Width × Depth mm 280 × 1,370 × 740 1,300 × 970 × 370
Exterior appearance
(Munsell color) —Stucco White (4.2Y7.5/1.1) near equivalent
Net weight kg 54 105
Refrigerant equipment
Compressor type & Q'ty — RMT5134MDE3 × 1
Starting method — Direct line start
Refrigerant oil — 0.9 M-MA68
Heat exchanger Louver fin & inner grooved tubing M shape fin & inner grooved tubing
Refrigerant control — Electronic expansion valve
Air handling equipment
Fan type & Q'ty Centrifugal fan × 3 Propeller fan × 2
Motor <Starting method> W 100 + 200 <Direct line start> 86 × 2 <Direct line start>
Air flow (Standard) CMM P-Hi : 48 Hi : 35 Me : 28 Lo : 22 100
External static pressure Pa Standard : 60 Max : 200 0
Outside air intake Possible —
Air filter, Q'ty Procure locally —
Shock & vibration absorber Rubber sleeve (for fan motor) Rubber sleeve (for Compressor)
Insulation (noise & heat) Polyurethane form —
Electric heater W — 20 (Crank case heater)
Remote control wired : RC-EX1A, RC-E5 (option) wireless : RCN-KIT3-E (option)
Room temperature control Thermostat by electronics —
Safety equipment Overload protection for fan motor
Frost protection thermostat
Internal thermostat for fan motor
Abnormal discharge temperature protection.
Installation data
Refrigerant piping size mm Liquid line : I/Uφ9.52 (3/8") Pipeφ9.52 (3/8") × 0.8 O/Uφ9.52 (3/8")
Gas line : φ15.88 (5/8") φ15.88 (5/8") × 1.0 φ15.88 (5/8")
Connecting method Flare piping Flare piping
Refrigerant line (one way) length Max.100m
Vertical height difference between
outdoor unit and indoor unit
Max.30m (Outdoor unit is higher) See page 33
Max.15m (Outdoor unit is lower)
Refrigerant Quantity R410A 4.5kg in outdoor unit (incl. the amount for the piping of : 30m)
Drain pump Built-in Drain pump —
Drain Hose Connectable with VP25 (I.D.25mm, O.D.32mm) Holes size φ20 × 3pcs
IP code IPXO IPX4
Insulation for piping Necessary (both Liquid & Gas lines)
Standard Accessories Drain hose Edging
Adapted to RoHS directive
(2) This packaged air-conditioner is manufactured and tested in conformity with the ISO.
(3) Sound pressure level indicates the value in an anechoic chamber. temperature. During operation these value are somewhat
higher due to ambient.
(4) The operation data indicates when the air-conditioner is operated at 400V50Hz or 380V60Hz.
(5) The factory E.S.P. setting is set within the range of 80-150 Pa. If SW8-4 is turned to "ON", E.S.P. setting range can be
changed to 10-200 Pa.
(6) If wireless remote control is used, only 3-speed fan setting (Hi-Me-Lo) is available.
Notes (1) The data are measured at the following conditions.
Item Indoor air temperature Outdoor air temperature External static pressure of indoor unit
Operation DB WB DB WB Pa
Cooling 27˚C 19˚C 35˚C 24˚C 60
Heating 20˚C 7˚C 6˚C

-
12
-
'12 • PAC-T-178
PJG000Z047
Unit:mm
（Suspension bolts pitch）
C2
D
（Duct dimension）
（Duct dimension）
（Suspension bolts pitch）
A
B
suspension bolt
Hanger plate for
AGas piping
BLiquid piping
DHole for wiring
ESuspension bolts （M10）
Symbol Content
Drain piping
C2 （Gravity drainage）
φ9.52（3／8"）（Flare）
φ15.88（5／8"）（Flare）
Space for installation and service
HInspection hole （450X450）
Note（a）
or more
or more
Air supply duct
E
（Duct dimension）
（Duct dimension）
（Case 1）From side of unit
Select either of two cases to keep space for installation and services.
or more
or more
Inspection
hole
（Case 2）From bottom of unit
Slab
or more or more
Ceiling
Note（b）
Note（a）
Notes（a）There must not be obstacle to draw
out fan unit. For fan unit maintenance,
refer to page 47.
（b）Install refrigerant pipes,
drain pipe, and wiring so as
not to cross marked area.
（c）The case that pipes are installed to upper（bottom）of fan unit,
keep space of 60mm or more to upper（bottom）of unit.
Pipe（c）
Fan unit
View M
tapping screws
Holes for
Hole
φ170
φ124
φ170
tapping screws
Holes for
C1 Drain piping VP25（I.D.25,O.D.32）
FOutside air opening
Air outlet opening
G
for ducting
for ducting
（Knock out）
（Knock out）
Return air duct Drain hose piece
（Accessory）
（Installed on site）
VP20（I.D.20,O.D.26）
28472135
18 950 18
986
55 880 55
250
175
105
467
471
510
63530 30
280
67
82
41
20039
65 740 185
1000
150～
200
100～200
100
58
43
170
600
1300
100
620
20 20
370
15
413
4－φ4
152 262
139
□90
113
4－φ4
284
69
600
（Max. drain lift）
or less
76
295～325
Control box
50
FG
M
C1
H
G
F
Notes（1）The model name label
is attached on the lid
of the control box.
1.2 EXTERIOR DIMENSIONS
(1) Indoor units
Model FDU71VF1

-
13
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'12 • PAC-T-178
（Duct dimension）
（Duct dimension）
Pipe（c）
Fan unit
View M
tapping screws
Holes for
Return air duct
Hole
AGas piping
BLiquid piping
DHole for wiring
ESuspension bolts （M10）
FOutside air opening
Air outlet opening
G
Symbol Content
φ9.52（3／8"）（Flare）
for ducting
for ducting
Drain piping
C2 （Gravity drainage）
φ15.88（5／8"）（Flare）
（Knock out）
（Knock out）
Drain hose piece
（Accessory）
（Installed on site）
HInspection hole （450X450）
φ170
φ124
φ170
tapping screws
Holes for
Space for installation and service
or more or more
or more
or more
（Case 1）From side of unit
Select either of two cases to keep space for installation and services.
or more
or more
（Case 2）From bottom of unit
Notes（a）There must not be obstacle to draw
out 2 fan units. For fan units maintenance,
refer to page 47.
（b）Install refrigerant pipes,
drain pipe, and wiring so as
not to cross marked area.
（c）The case that pipes are installed to upper（bottom）of fan unit,
keep space of 60mm or more to upper（bottom）of unit.
C1 Drain piping VP25（I.D.25,O.D.32）
VP20（I.D.20,O.D.26）
Unit:mm
4－φ4
（Suspension bolts pitch）
Air supply duct
Control box
（Duct dimension）
（Duct dimension）
18 1368 18
1404
suspension bolt
Hanger plate for
104 1200 104
92
250
184.5 134.5
467
405
468
635
73830 30
280
71
59
82
284
152 285
23.5
23521.5
64 1280 64
139
□90
600
（Max. drain lift）
（Suspension bolts pitch）
28530180
or less
113
69
295～325
43
170
4－φ4
1000
150～
200
100～200
100
Slab
20 20
Note（a）
370
Ceiling
Note（b）
600
1720
100
Inspection
hole
725
Note（a）
15
50
FG
M
C
2
D
A
C
1
B
G
F
E
H
Notes（1）The model name label
is attached on the lid
of the control box.
Models FDU100VF1, 125VF, 140VF
PJG000Z048

-
14
-
'12 • PAC-T-178
(2) Outdoor units Model FDC71VNX
A
PCA001Z603
E
A
B
C
D
Notes
（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
protrude more the 15mm.
（3）Where the unit is subject to strong winds, lay it in such
a direction that the blower outlet faces perpendicularly
to the dominant wind direction.
（4）Leave 1m or more space above the unit.
（5）A wall in front of the blower outlet must not exceed the units height.
（6）The model name label is attached on the lower right corner of the front panel.
φ15.88（5／8"）（Flare）
Content
C Pipe／cable draw-out hole
D
E Anchor bolt hole
Drain discharge hole
Symbol
B
A Service valve connection（gas side）
M10 × 4places
φ20 × 3places
Minimum installation space
L1 L3
L2
Intake
Outlet
Intake
L2
L3
L4
L1
300
100
250
Open
Ｉ ＩＩ
Open
250
100
500
ＩＩＩ
38019
24
103.5 48.5
580
880
418
340
88
150 150
27
32
Terminal block
30°
30°
165.5 25
310223
47.561
61
2-R7.5
60
15
750
Open
（ ）
L4
Service
space
250
150
250
Service valve connection（liquid side）
φ9.52（3／8"）（Flare）
Examples of
Dimensions
installation
Unit:mm

-
15
-
'12 • PAC-T-178
Models FDC100VNX, 125VNX, 140VNX 100VSX, 125VSX, 140VSX
c
PCA001Z569
E
F
F
C
B
A
C
C
F
D
C
B
A
L1
L3
Intake
Outlet
Intake
Service
Minimum installation space
space
L2 L4
φ15.88（5／8"）（Flare）
Content
C Pipe／cable draw-out hole
D
E Anchor bolt hole
Drain discharge hole
Symbol
B
A
M10 × 4places
φ20 × 3places
Service valve connection（liquid side）
φ9.52（3／8"）（Flare）
L2
L3
L4
L1
300
150
5
Open
Open
5
150
500
Open
5
300
5
F Cable draw-out hole
φ30（front）
φ45（side）
φ50（back）
Notes
（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
protrude more than 15mm.
（3）Where the unit is subject to strong winds, lay it in such
a direction that the blower outlet faces perpendicularly
to the dominant wind direction.
（4）Leave 1m or more space above the unit.
（5）A wall in front of the blower outlet must not exceed the units height.
（6）The model name label is attached on the lower right corner of the front panel.
（7）Connect the Service valve with local pipe by using the pipe of the attachment.
（Gas side only）
Ｉ ＩＩ ＩＩＩ
Examples of
Dimensions
installation
Service valve connection of the
attached connecting pipe（gas side）
Terminal block
46
51
46
113
41
67
9
150
7050
195
11050
50
50
27
1300
10
970
55
50 15
624
612
195
11050
60
262 325
38
1560
15103
200580190
76
55
4037040
41020 20
Unit:mm

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16
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'12 • PAC-T-178
(3) Remote control (Option parts)
(a) Wired remote control
Model RC-E5
TEMP ON/OFF
48
غ120
L C D
Wall surface
Wiring
Electrical box
䋨Not included䋩
19
Wiring specifications
Exposed mounting
23
46
11.5 11
Remote
control
outline
120
45
83.5
42
120
Remote control installation dimensions
Wiring oulet
Installation hole
12×7 Slot hole
9.5×5 Slot hole 䋨4places䋩
䋨1䋩Installation screw for remote control
M4 Screw (2 pieces)
44
(1) If the prolongation is over 100m, change to the size below.
But, wiring in the remote control case should be under 0.5mm2. Change the wire size outside of
the case according to wire connecting. Waterproof treatment is necessary at the wire connecting
section. Be careful about contact failure.
Length Wiring thickness
100 to 200m 0.5mm2×2 cores
0.75mm2×2 cores
1.25mm2×2 cores
2.0mm2×2 cores
Under 300m
Under 400m
Under 600m
Upper part
Lower part
Lower case
Sheath
Upper cace
Board
Wiring
Upper
Lower
X Y
Sheath
Upper cace
Board
Wiring
Upper
Lower
YX
Tighten the screws after
cutting off the thin part of
screw mounting part.
Embedded mounting
The peeling-off length of sheath
The peeling-off length
of sheath
In case of pulling out from
upper left
In case of pulling out
from upper left
In case of pulling out
from upper left
X wiring : 170mm
Y wiring : 190mm
Pulling out from center
X wiring : 215mm
Y wiring : 195mm
Pulling out from upper left
In case of pulling out from center
In case of pulling out
from center
In case of pulling out
from center
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.
0.3mm2×2 cores.
X, Y Terminal block
Attach M3 screw
with washer
Unit:mm
Exterior appearance
(Munsell color)
Pearl White
(N8.5) near equivalent
a
PJZ000Z274

-
17
-
'12 • PAC-T-178
Model : RC-EX1A
Installation space
R/C cable：0.3mm2 × 2-core
A
dapted to RoHSdirective
Exterior appearance
(Munsell color)
Pearl White
(N8.5) near equivalent
a
PJZ000Z297

-
18
-
'12 • PAC-T-178
(b) Wireless remote control (RCN-E1R)
60 17
150
Unit: mm

-
19
-
'12 • PAC-T-178
［ ］
FS
FM
I 2
SW2
ConnectorCNB～Z
Drain motorDM
TB1
SW6
Operation check, Drain motor test runSW7-1
FuseF1,4
Th
I -R1,2,3
Th
I -A
Thc
LED・3
LED・2
TB2
Float switch
Indication lamp（Green-Normal operation）
Indication lamp（Red-Inspection）
Remote control communication address
Model capacity setting
Terminal block（Power source）（□mark）
Terminal block（Signal line）（□mark）
Thermistor（Remote control）
Thermistor（Return air）
Thermistor（Heat exchanger）
SW5 Plural units Master／Slave setting
Fan motor
ColorMark
BK
Color Marks
Black
BL Blue
ColorMark
RD Red
WH White
YE Yellow YE／GN Yellow／Green
L Reactor
BL 3
1
WH
CNW3
WH
RD
RD
1
2
CNI
BL
FS
CNZ
For HA
WH
12
CNTA
BL
RD
t°
Control PCB
Power PCB
RD
YE
t°
YE
BK
t°
BK
1
2
3
4
5
6
BK
t°
BK
1
2
XR1
XR2
XR3
XR4
XR5（Remote operation
1
2
3
4
5
6
+12
SW2
SW6
SW5
SW7
LED・2 LED・3
X
Y
1
3
X
Y
t°
TB2
WH
BK
WH 8
9
10
11
12
8
9
10
11
12
CNW2
WH
CNW1
WH
CNB
WH CNN
YE
CNH
BK
CNT
BL
1
2WH
RD
YE／GN
F1（5A）
3
5
CNW0
WH
1
TB1
Power circuit
（Operation）
（Heating）
（Compressor ON）
（Inspection）
3
ThC
Earth
Power source line
Signal line
1 2
3
indoor unit and outdoor unit
Connecting line between
WH
WH
WH
WH
Remote control
input:volt-free contact）
WH
WH
WH
WH
WH
WH
WH
WH 3
4
5
6
7
1
2
5
6
7
2
3
4
1
YE／GN
M
FM I 2
CNWR
WH
L
1 4 5 6 7
RD BK WH BL
CNM2
BK
1 3
F4
（2A）
CNR
WH
1
2
DM
M
RD
WH
+12
YE
（Remote operation input:
volt-free contact）
Powerful mode Valid／InvalidSW7-3
Prepare on site
ThI-R1
ThI-R2
ThI-R3
ThI-A
Notes1. indicates wiring on site.
Notes2. See the wiring diagram of outside unit about the line between
inside unit and outside unit.
Notes3. Use twin core card（0.3mm
2
）at remote control line.
Notes4. Do not put remote control line alongside power source line.
1.3 ELECTRICAL WIRING (1) Indoor units
Model FDU71VF1
PJG000Z049