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Toshiba A90-0132, Service Manual

The Toshiba A90-0132 Service Manual is a comprehensive user guide that provides detailed instructions for operating and maintaining your Toshiba A90-0132 device. This essential manual is available for free download on manualshive.com, ensuring easy access to the information you need to make the most of your product.

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38

Power Supply

220/240V

      50Hz

33

11

FM

1 1

3 3

5 5

7 7

9 9

Symbol

F

FC

FM

GM

PMV

PS

RC

R

Y01  R

Y

07

TA

TC1

TC2

TR

Fuse  (PCB)

Ferrite Core

Fan motor

Geared Motor

Pulse Modulating V

a

lve

Pressure Sensor

Running Capacitor

Relay

T

e

mperature Sensor

T

e

mperature Sensor

T

e

mperature Sensor

T

ransformer

1

1

3

3

5

5

33

11

44

22

1

1

3

3

1

1

2

2

F

H
M

L

UL

MCC-1355-

TR

CN28

22

TA

TC2

TC1

MCC-1361-01

PMV

G

4 4

GRN/YEL

Name

L

N

RED

GR

Y

WHI

GRN/YEL

1 1

3 3

5 5
6 6

7 7

BLK

ORN

BLU

YEL

RED

WHI

RED

WHI

RC

RED

YEL

BLU

ORN

BLK

CN03

CN07

CN25

CN51

55

33

11 22

44

66

CN27

CN50

CN16

BLK

BLU

ORN

RED

W

HI

RED

WHI

BLK

CN26

55

33

11 22

44

66

WHI

BLU

BLU

BLU

55

33

11 22

CN10

WHI

BLU

BLU

BLU

BLU

BLU

1

1

3

3

5

5

1

1

2

2

1

1

2

2

CN01

CN12

YEL

BLK

WHI

CN51

33

11

44

22

CN02

  Remote

  Controller

  (Optional)

B

A

C

B

A

C

  Infra-red

  Receiver

  (IR Model)

B

A

C

ORN

YEL BLU

CN04

22 11

WHI

CN05

22 11

BLU

CN20

22 11

YEL

22

44

66

11

CN23

RED

GRN

WHI

BLK

1

1

2

2

31

3

3

1

1

1

1

2

2

CN101

CN25

CN08

CN09

CN11

1

1

2

2

3

3

4

4

5

5

6

6

RY07

WHI

YEL

ORN

BLU

BRN

RED

6

6

4

4

3

3

1

1

2

2

5

5

WHI

YEL

ORN

BLU

BRN

RED

1

1

2

2

BLK

B

LK

BLK

BLK

B

LK

Q

P

GR

Y

GR

Y

Q

P

Communication

RY

0

1

RY

0

2

RY

0

3

RY

0

4

7

Wiring diagrams

Indoor units

Wall unit
MM-K042, MM-K056, MM-K080,
MM-KR042, MM-KR056, MM-KR080

Symbol

Part name

F

F

use (PCB)

F

M

Fan motor

G

M

Geared motor

P

M

V

Pulse modulating valve

P

S

Pressure sensor

R

C

Running capacitor

RY01-RY07

Relay

T

A

Temperature sensor

TC1

T

emperature sensor

TC2

T

emperature sensor

T

R

Transformer

Communication

Power supply

220/240 V – 50 Hz

Remote

controller

(Optional)

Infrared

receiver

(IR model)

1.

The dashed line indicates wiring on the site.

2.

     and     indicates terminal blocks and the

numbers within them are terminal numbers.

Summary of Contents for A90-0132

Page 1: ...Modular Multi System Service Manual Air Conditioner Multi Split Type System A90 0132 HFC R407C ...

Page 2: ...2 ...

Page 3: ...ned Refrigerant Piping Systematic Drawings 49 Refrigerant Cycle Schematic Indoor Units 53 Outline of Control 54 Self Diagnostic Display Information 67 Control Circuit Configuration 71 Troubleshooting 76 Back up Operation 122 Forced Function of Oil Level Detection 126 Refrigerant Pipe Installation 127 Trial Operation 132 Replacing the Compressor 145 Exploded Views and Service Parts 156 1 2 3 4 5 6 ...

Page 4: ...4 ...

Page 5: ...Where the airflow from the outdoor unit may cause annoyance Where the operating noise of the outdoor unit may cause annoyance Where the foundation is not strong enough to fully withstand the weight of the outdoor unit Where the water drainage may cause a nuisance or a hazard when frozen Where strong winds may blow against the air outlet of the outdoor unit Precautions for R407C outdoor units R407C...

Page 6: ...nifold to the corresponding access port as indicated below Low pressure access port High pressure access port Explanation of Toshiba serial number A serial label is attached to all Toshiba air conditioning units Located on the label is an 8 digit number which represents the month year and batch number of the manufactured unit A breakdown of the 8 digit number is defined below 2 4 4 8 0 0 0 1 Year ...

Page 7: ...18 19 20 21 22 23 Max HP connected 10 8 13 5 18 9 21 6 24 3 27 29 7 32 4 35 1 37 8 40 5 43 2 45 9 48 6 51 3 54 56 7 59 4 62 1 3 Branching joints headers Model name Usage Appearance Y shape branching joint RBM Y018 SK Indoor unit capacity code 1 Total 6 4 RBM Y037 SK Indoor unit capacity code 1 6 4 Total 13 2 2 RBM Y071 SK Indoor unit capacity code 1 13 2 Total 25 2 2 RBM Y129 SK Indoor unit capaci...

Page 8: ...upplied with the units Note 4 Operatives handling refrigerants must be suitably qualified in accordance with local and national codes of practice and statutory requirements Note 5 Legislation may regulate the removal of waste refrigerant from the systems We advise awareness of any regulations and duty of care Waste refrigerant must NEVER be discharged to atmosphere Note 6 Electrical work should be...

Page 9: ...Modular Multi 2 Range of combined units No of combined units 1 to 5 units Capacity range Equivalent to 38 4 kW type 14HP to 128 8 kW 46HP 3 Restriction for combination units 1 The Inverter Unit should have the maximum capacity among all units in that combination 2 The 16 0 kW 6HP fixed speed unit is available only with the combination of 38 4 kW 14HP and 60 8 kW 22HP It cannot be used for any othe...

Page 10: ...ing after header branching is only available with Toshiba s Multi Modular System Linebranching Outdoor unit Branching joint Indoor unit Header branching Outdoor unit Branching header Indoor unit Line and header branching Outdoor unit Branching joint Indoor unit Line branching after header branching Outdoor unit Branching joint Indoor unit MMS ONLY Outdoor unit Header Header Indoor unit MMS ONLY 1F...

Page 11: ...o 128 8 kW 46 HP Advanced bus communication system Wiring between indoor and outdoor unit is a simple 2 wire system Communication address is also automatically configured A default test mode operation is available Self diagnostic system Comprehensive troubleshooting code enables quick identification of problems arising High lift design Real pipe length of 100m equivalent length 125m and vertical l...

Page 12: ...Built In Slim Duct MM SB028 1 2 8 3 2 Type SB Built In Duct MM B056 2 5 6 6 4 Type B MM B080 3 8 0 9 6 MM B112 4 11 2 12 8 MM B140 5 14 0 15 8 Ceiling MM C CR042 1 5 4 2 4 8 Type C MM C CR056 2 5 6 6 4 MM C CR080 3 8 0 9 6 MM C CR112 4 11 2 12 8 MM C CR140 5 14 0 15 8 High Wall MM K KR042 1 5 4 2 4 8 Type K MM K KR056 2 5 6 6 4 MM K KR080 3 8 0 9 6 Chassis MM N028 1 2 8 3 2 Type N MM N042 1 5 4 2 ...

Page 13: ...80HT MM A0224HT MM A0280HX MM A0224HX MM A0160HX MM A0280CT MM A0224CT MM A0280CX MM A0224CX MM A0160CX PARTS NAME SPECIFICATION Fan motor Model name STF 200 350A Motor type 1 phase induction motor Power supply AC 220 240 V 1 phase 50 Hz Output W 400 Current A 4 81 5 89 Pole P 6 High pressure switch Model name INV ACB JB128 FIX ACB JA64 Operating pressure mPa Operation 3 2 Reset 2 55 High pressure...

Page 14: ... M B056 No PARTS NAME TYPE SPECIFICATIONS 4 Transformer TT 03 1 DC 16 3 V 0 5 A AC 11 6 V 0 15 A 5 Pulse motor EDM MD12TF 3 DC 12 V 6 Pressure sensor 150 100NH6 D Power voltage DC 12 V 7 Sensor for room temperature TA Maximum input C 25 50 38 mA at 25 C kΩ 10 3 45 8 Sensor for heat exchanger Tc1 Maximum input C 12 0 25 50 34 mA at 25 C kΩ 62 3 32 8 10 3 6 9 Sensor for heat exchanger Tc2 Maximum in...

Page 15: ...n motor SMF 230 34 4D Output rated 34 W 4 pole 230 V 1 phase 50 Hz 2 Running capacitor Fan motor EEP2W255HQA113 AC 450 V 2 5 μF 3 Pulse motor valve EDM B40YPTR 7B A Capacity 40 Ceiling MM C042 MM CR042 No PARTS NAME TYPE SPECIFICATIONS 1 Fan motor MMF 230 34 4H Output rated 34 W 4 pole 230 V 1 phase 50 Hz 2 Running capacitor Fan motor EEP2H105HQA105 AC 500 V 1 5 μF 3 Pulse motor valve EDM B25YPTF ...

Page 16: ...TYPE SPECIFICATIONS 1 Fan motor MMF 230 27 4P Output rated 27 W 4 pole 230 V 1 phase 50 Hz 2 Running capacitor Fan motor EEP2H105HQA105 AC 400 V 1 μF 3 Pulse motor valve EDM B25YPTF 7B A Capacity 25 High wall MM K080 MM KR080 MM K056 MM KR056 MM K042 MM KR042 No PARTS NAME TYPE SPECIFICATIONS 4 Transformer TT 03 1 DC 16 3 V 0 5 A AC 11 6 V 0 15 A 5 Pulse motor EDM MD12TF 3 DC 12 V 6 Pressure senso...

Page 17: ...EP2W205HQA107 AC 450 V 2 μF 3 Pulse motor valve EDM B40YPTR 7B A Capacity 25 Chassis MM N028 No PARTS NAME TYPE SPECIFICATIONS 1 Fan motor SMF 230 34 4H Output rated 34 W 4 pole 230 V 1 phase 50 Hz 2 Running capacitor Fan motor EEP2H155HQA107 AC 500 V 1 5 μF 3 Pulse motor valve EDM B25YPTF 7B A Capacity 25 Chassis MM N080 NN N056 MM N042 MM N028 No PARTS NAME TYPE SPECIFICATIONS 4 Transformer TT 0...

Page 18: ...an motor EEP2W255HQA113 AC 450 V 2 5 μF 3 Pulse motor valve EDM B40YPTR 7B A Capacity 40 Low wall MM S080 MM SR080 MM S056 MM SR056 No PARTS NAME TYPE SPECIFICATIONS 4 Transformer TT 03 1 DC 16 3 V 0 5 A AC 11 6 V 0 15 A 5 Pulse motor EDM MD12TF 3 DC 12 V 6 Pressure sensor 150 100NH6 D Power voltage DC 12 V 7 Sensor for room temperature TA Maximum input C 25 50 38 mA at 25 C kΩ 10 3 45 8 Sensor fo...

Page 19: ...E TYPE SPECIFICATIONS 1 Fan motor PAF 230 7 4 Output rated 7 W 4 pole 230 V 1 phase 50 Hz 2 Running capacitor Fan motor EEP2H105HQA105 AC 500 V 1 μF 3 Pulse motor valve EDM B25YPTF 7B A Capacity 25 2 way cassette MM TU056 MM TU042 MM TU028 No PARTS NAME TYPE SPECIFICATIONS 4 Transformer TT 03 1 DC 16 3 V 0 5 A AC 11 6 V 0 15 A 5 Pulse motor EDM MD12TF 3 DC 12 V 6 Pressure sensor 150 100NH6 D Power...

Page 20: ... EEP2W205HQA107 AC 450 V 2 μF 3 Pulse motor valve EDM B40YPTR 7B A Capacity 40 4 way cassette MM U056 No PARTS NAME TYPE SPECIFICATIONS 1 Fan motor MMF 230 28A Output rated 28 W 6 pole 230 V 1 phase 50 Hz 2 Running capacitor Fan motor EEP2H105HQA105 AC 450 V 1 μF 3 Pulse motor valve EDM B40YPTR 7B A Capacity 40 4 way cassette MM U140 MM U112 MM U080 MM U056 No PARTS NAME TYPE SPECIFICATIONS 4 Tran...

Page 21: ...t pitch Base Base bolt position Refrigerant pipe connecting port Gas side braze connection A Balance pipe connecting port flare connection C 2 60 x 150 slot for transport Slot pitch Note All dimensions in mm Model A B C mm mm mm MM A0280HT MM A0280HX MM A0280CT MM A0280CX 28 6 12 7 9 52 MM A0224HT MM A0224HX MM A0224CT MM A0224CX 22 2 12 7 9 52 MM A0160HX MM A0160CX 22 2 9 52 9 52 knock out Refrig...

Page 22: ...ension B Hanging bolt pitch J M x K N x 200 air outlet Hanging bolt 4 M10 provided at site Unit dimension 800 Hanging bolt pitch 565 Refrigerant pipe connection Gas F Refrigerant pipe connection liquid G Drain pipe connection Inner diameter 32 Diameter 32 minimal for PVC pipes 6 x 4 holes 160 Fresh air inlet 125 cut out other side Ensure that there is sufficient space around the indoor unit for in...

Page 23: ...Built In Slim Duct MM SB028 Electrical box PCB transformer and MF capacitor Air flow Filter Shelter board Air outlet Refrigerant pipe connection Liquid 6 4 Refrigerant pipe connection Gas 12 7 Optional air flow lower air inlet Shelter board Air flow Filter Drain pipe connection 1 BSP threaded connection Hanging bolt pitch Unit dimension Air inlet Hanging bolt pitch Unit dimensions Washable filter ...

Page 24: ...PE Pi di 400 Pi di 500 150 Minimo 150 Minimo VISTA PIANO Spazio necessario per installazione e manutenzione Construction views Indoor units Low wall MM S056 MM SR056 MM S080 MM SR080 Model A B C D E F MM S056 MM SR056 1030 920 540 188 6 4 12 7 MM S080 MM SR080 580 581 582 583 584 585 All dimensions in mm 6 Drain piping joint Alternative knock out hole for drain piping Hard vinyl chloride pipe oute...

Page 25: ...ro Hx 4 7 Foro 15 4 Posizione di fissaggio alla parete 345 600 160 70 Centralina elettrica Collegamento terra interno Filtro aria Ingresso aria E D C Raccordo a cartella Liquido F Raccordo a cartella Gas G 315 140 65 95 Foro 2 4 7 436 397 274 224 104 110 155 230 10 10 133 70 175 145 Space required for service and installation Upper plate duct plate Fixing location to floor base Air outlet 4 x 15 h...

Page 26: ...50 180 200 D 130 Hanging plate Left Piastra di sospensione destra 85 12 120 Foro incompleto pannello destro per tubi e fili Ingresso aria Filtro aria C CHR PE CHR PE CHR PE CHR PE B Passo bullone di sospensione interno Bullone di sospensione inferiore a 40 E 40 Passo bullone di sospensione interno Pi di 400 Pi di 500 150 Minimo 150 Minimo Spazio necessario per installazione e manutenzione Bullone ...

Page 27: ...300 More than 30 Space required for service OD unit mm Construction views Indoor units High wall MM K042 MM K056 MM K080 MM KR042 MM KR056 MM KR080 Refrigerant pipe connection Liquid C Refrigerant pipe connection Gas B Drain pipe Both sides Piping hole Knock out hole Air outlet 4 way adjustable Piping hole Knock out hole 30 min 300 min 300 min Space required for service Slots 18 6 x 30 6 6 holes A...

Page 28: ...Liquid 6 4 Refrigerant piping joint Gas 12 7 Channel for routing TC sensors and pressure sensor leads Panel outer dimension 1050 Ceiling opening 1010 Hanging bolt pitch 930 Panel outer dimension 550 Ceiling opening 510 Hanging bolt pitch 410 View A Minimum 600 Minimum 600 Minimum 600 Space required for service and installation All dimensions in mm 6 ...

Page 29: ...t pipe connection Gas A Knock out for side ducts 150 both sides Ceiling Wiring connection Gland plate 3 x 20 holes Fresh air inlet Condensate pipe 1 BSP threaded connection Panel dimension 940 Ceiling opening 880 External cassette dimension 820 Hanging bolt pitch 800 Panel dimension 940 Ceiling opening 880 External cassette dimension 820 Hanging bolt pitch 620 Side outlet duct size Fresh air inlet...

Page 30: ... 5 Refrigerant pipe connection Gas side 19 0 Knock out for side ducts 150 both sides Ceiling Wiring connection Gland plate 3 x 20 holes Fresh air inlet Condensate pipe 1 BSP threaded connection Panel dimension 940 Ceiling opening 880 External cassette dimension 820 Hanging bolt pitch 800 Panel dimension 1350 Ceiling opening 1290 External cassette dimension 1230 Hanging bolt pitch 1030 Side outlet ...

Page 31: ...RED WHI BLU BLU 1 1 3 3 7 7 5 5 1 1 3 3 1 1 3 3 5 5 7 7 SV3A SV2 SV3C SV3B GRY 4 2 1 4 2 1 1 1 3 3 1 1 3 3 FM BLK RC N T1 T2 T3 E N L1 L2 L3 E 6 4 3 2 1 6 4 3 2 1 6 4 3 2 1 R S U V 51C 52C1 U V W GRY GRY GRY GRY CN604 WHI 1 2 1 2 BLK TK3 TD1 TS1 TE TD2 BLK BLK BLK BLK BLK BLK BLK BLK BLK 3 1 3 1 3 1 3 1 CN502 CN505 CN504 CN503 BLU WHI RED WHI GRN 3 1 CN600 WHI 3 1 CN501 CN500 CN100 CN516 TK1 CN507...

Page 32: ...3 4 1 2 3 4 1 2 3 4 1 2 3 4 5 3 1 5 3 1 5 3 1 5 3 1 5 3 1 5 3 1 BLK BLK 3 1 3 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 6 5 4 3 2 1 6 5 4 3 2 1 PMV 3 6 4 3 2 1 PMV 1 1 1 3 3 5 7 1 1 3 3 SV2 SV41 SV3A 7 7 5 5 1 1 3 3 1 1 3 3 SV3C SV3B 1 1 3 3 1 1 3 3 1 1 3 3 20SF 1 1 3 3 FM N T1 T2 T3 E N L1 L2 L3 E BLU BLU WHI BLK BLU BLU WHI BLU P Q P Q P Q SV42 BLU BLU 5 7 6 4 3 2 1 6 4 3 2 1 6 4 3 2 1 U V W RED BLK GRY GRY...

Page 33: ... 6 5 4 3 2 1 6 5 4 3 2 1 PMV 3 6 4 3 2 1 PMV 1 1 1 3 3 5 7 1 1 3 3 SV2 SV41 SV3A 7 7 5 5 1 1 3 3 1 1 3 3 SV3C SV3B 1 1 3 3 1 1 3 3 1 1 3 3 20SF 1 1 3 3 FM N T1 T2 T3 E N L1 L2 L3 E BLU BLU BLU BLU WHI BLU P Q P Q P Q 5 7 6 4 3 2 1 6 4 3 2 1 RED BLK GRY GRY BLK 5 3 1 5 3 1 Interface Control PC Board MCC 1343 03 CN604 WHI 1 2 Symbol Part name CM 1 Compressor FM Fan motor 52C 1 Electromagnetic contac...

Page 34: ...3 3 7 7 5 5 1 1 3 3 1 1 3 3 5 5 7 7 SV3A SV2 SV3C SV3B GRY 4 2 1 4 2 1 1 1 3 3 1 1 3 3 FM BLK RC N T1 T2 T3 E N L1 L2 L3 E 6 4 3 2 1 6 4 3 2 1 6 4 3 2 1 R S U V 51C 52C1 U V W GRY GRY GRY GRY CN604 WHI 1 2 1 2 BLK TK3 TD1 TS1 TE TD2 BLK BLK BLK BLK BLK BLK BLK BLK BLK 3 1 3 1 3 1 3 1 CN502 CN505 CN504 CN503 BLU WHI RED WHI GRN 3 1 CN600 WHI 3 1 CN501 CN500 CN100 CN516 TK1 CN507 RED BLU WHI BLK RED...

Page 35: ... 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 5 3 1 5 3 1 5 3 1 5 3 1 5 3 1 5 3 1 BLK BLK 3 1 3 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 6 5 4 3 2 1 6 5 4 3 2 1 PMV 3 6 4 3 2 1 PMV 1 1 1 3 3 5 7 1 1 3 3 SV2 SV41 SV3A 7 7 5 5 1 1 3 3 1 1 3 3 SV3C SV3B 1 1 3 3 1 1 3 3 1 1 3 3 20SF 1 1 3 3 FM N T1 T2 T3 E N L1 L2 L3 E BLU BLU WHI BLK BLU BLU WHI BLU P Q P Q P Q SV42 BLU BLU 5 7 6 4 3 2 1 6 4 3 2 1 6 4 3 2 1 U V W RED BLK GR...

Page 36: ...N50 CN16 BLK BLU ORN RED WHI RED WHI BLK CN26 5 5 3 3 1 1 2 2 4 4 6 6 WHI BLU BLU BLU 5 5 3 3 1 1 2 2 CN10 WHI BLU BLU BLU BLU BLU 1 1 3 3 5 5 1 1 2 2 1 1 2 2 CN01 CN12 YEL BLK WHI 3 3 1 1 4 4 2 2 CN02 B A C B A C ORN YEL BLU CN04 2 2 1 1 WHI CN05 2 2 1 1 BLU CN20 2 2 1 1 YEL 2 2 4 4 6 6 1 1 CN23 RED GRN WHI BLK 1 1 2 2 3 1 3 1 1 1 2 2 CN101 CN25 CN08 CN09 CN11 1 1 2 2 3 3 4 4 5 5 6 6 WHI YEL ORN ...

Page 37: ...e modulating valve PS Pressure sensor RC Running capacitor RY01 RY04 Relay TA Temperature sensor TC1 Temperature sensor TC2 Temperature sensor TR Transformer 1 The dashed line indicates wiring on the site 2 indicates terminal blocks and the numbers within them are terminal numbers Power supply 220 240 V 50 Hz Remote controller Optional Communication Infrared receiver IR model ...

Page 38: ... 4 2 2 CN02 Remote Controller Optional B A C B A C Infra red Receiver IR Model B A C ORN YEL BLU CN04 2 2 1 1 WHI CN05 2 2 1 1 BLU CN20 2 2 1 1 YEL 2 2 4 4 6 6 1 1 CN23 RED GRN WHI BLK 1 1 2 2 3 1 3 3 1 1 1 1 2 2 CN101 CN25 CN08 CN09 CN11 1 1 2 2 3 3 4 4 5 5 6 6 RY07 WHI YEL ORN BLU BRN RED 6 6 4 4 3 3 1 1 2 2 5 5 WHI YEL ORN BLU BRN RED 1 1 2 2 BLK BLK BLK BLK BLK Q P GRY GRY Q P Communication RY...

Page 39: ...e PS Pressure sensor RC Running capacitor RY01 RY04 Relay TA Temperature sensor TC1 Temperature sensor TC2 Temperature sensor TR Transformer 1 The dashed line indicates wiring on the site 2 indicates terminal blocks and the numbers within them are terminal numbers 1 1 BLU Power supply 220 240 V 50 Hz Remote controller Optional Communication ...

Page 40: ...YEL ORN BLU BRN RED 6 6 4 4 3 3 1 1 2 2 5 5 WHI YEL ORN BLU BRN RED BLK Q P GRY GRY Q P 4 4 RED RY01 RY02 RY03 RY04 3 3 1 1 FM 1 1 3 3 5 5 7 7 9 9 1 1 3 3 5 5 3 3 1 1 4 4 2 2 1 1 3 3 1 1 2 2 F H M L UL MCC 1355 01 TR CN28 2 2 TA TC2 TC1 PS MCC 1361 01 PMV WHI WHI GRN YEL FC Wiring diagrams Indoor units Built In Slim Duct MM SB028 Power supply 220 240 V 50 Hz Communication Remote controller Optiona...

Page 41: ...ressure sensor RC Running capacitor RY01 RY04 Relay TA Temperature sensor TC1 Temperature sensor TC2 Temperature sensor TR Transformer 1 The dashed line indicates wiring on the site 2 indicates terminal blocks and the numbers within them are terminal numbers Remote controller Optional Infrared receiver IR model Power supply 220 240 V 50 Hz Communication ...

Page 42: ...RN BLU BRN RED 3 3 1 1 1 1 2 2 1 1 2 2 GRY PUR BLK RED RED RED RED BLU BLU BLK BLK BLK Q P GRY GRY Q P RY01 RY02 RY03 RY04 3 3 1 1 FM 1 1 3 3 5 5 7 7 9 9 1 1 3 3 5 5 3 3 1 1 4 4 2 2 1 1 3 3 1 1 2 2 F H M L UL TR CN28 2 2 TA TC2 TC1 PS MCC 1361 01 PMV DP GM FS BLK FC MCC 1355 01 CN16 7 Wiring diagrams Indoor units 4 way cassette MM U140 MM U112 MM U080 MM U056 Symbol Part name D Drain pump F Fuse P...

Page 43: ...HI FM 02 RED YEL BLU ORG BLK RED YEL BLU ORG FM 01 9 9 5 5 7 7 1 1 3 3 2 2 4 4 6 6 8 8 10 10 1 1 1 1 12 12 13 13 14 14 15 15 GRY PUR 1 1 3 3 1 1 2 2 1 1 2 2 BLK BLK BLK BLK GRY PUR 1 1 3 3 1 1 2 2 CN16 CN50 BLU ORN RED WHI 1 1 3 3 5 5 7 7 9 9 L M H RY01 YEL WHI RED YEL BLU BLK ORG BLK ORG BLU BLK ORN BLU YEL RED GRY GRY GRY Name Drain Pump Fuse PCB Fuse Interface PCB Fan Moter Float Switch Geared ...

Page 44: ...trainer Capillary Capillary Capillary Strainer Strainer Sensor TD1 Check valve High pressure switch HP Accumulator Solenoid valve SV42 Compressor Check joint Ps Sensor TD2 Sensor TK2 Drier x2 Oil tank Sensor TK3 Check valve Inverter Fixed speed Low pressure sensor Capillary Solenoid valve SV3A Check valve Service valve gas side Compressor case oil removal valve Check valve Check valve Capillary Ch...

Page 45: ...illary Capillary Strainer Strainer Sensor TD1 Check valve High pressure switch HP Accumulator Solenoid valve SV41 Compressor Check joint Ps Sensor TD2 Sensor TK2 Drier x2 Oil tank Sensor TK3 Check valve Fixed speed Low pressure sensor Capillary Solenoid valve SV3A Check valve Service valve gas side Compressor case oil removal valve Check valve Check valve Capillary Check valve Strainer Solenoid va...

Page 46: ...d Oil separator Strainer Capillary Capillary Capillary Strainer Strainer Sensor TD1 Check valve Accumulator Solenoid valve SV41 Compressor Check joint Ps Sensor TK2 Drier x2 Oil tank Sensor TK3 Check valve Fixed speed Low pressure sensor Capillary Solenoid valve SV3A Check valve Service valve gas side Compressor case oil removal valve Check valve Check valve Capillary Check valve Strainer Solenoid...

Page 47: ...or Strainer Capillary Capillary Capillary Strainer Strainer Sensor TD1 Check valve High pressure switch HP Accumulator Solenoid valve SV42 Compressor Check joint Ps Sensor TD2 Sensor TK2 Drier x2 Oil tank Sensor TK3 Check valve Inverter Fixed speed Low pressure sensor Capillary Solenoid valve SV3A Check valve Service valve gas side Compressor case oil removal valve Check valve Check valve Capillar...

Page 48: ... Capillary Capillary Strainer Strainer Sensor TD1 Check valve High pressure switch HP Accumulator Solenoid valve SV41 Compressor Check joint Ps Sensor TD2 Sensor TK2 Drier x2 Oil tank Sensor TK3 Check valve Fixed speed Low pressure sensor Capillary Solenoid valve SV3A Check valve Service valve gas side Compressor case oil removal valve Check valve Check valve Capillary Check valve Strainer Solenoi...

Page 49: ... pressure sensor Check valve Capillary Capillary Solenoid valve SV3B Solenoid valve SV3A Check valve Compressor case oil removal valve Check valve Strainer Check valve Service valve gas side Packed valve oil balancing pipe Packed valve liquid side MM A0280HX Slave unit 2 Fixed speed Propeller fan Fan motor M Condenser Sensor TE1 PMV A Sensor TS 4 way valve Pulse motor valve B Cooling bypass PMVB S...

Page 50: ... side Packed valve oil balancing pipe Packed valve liquid side Condenser Solenoid valve SV42 MM A0280HX Slave unit 2 Fixed speed Propeller fan Fan motor M Condenser Sensor TE1 PMV A Liquid tank Strainer Drier x2 MM A0280HX Slave unit 4 Fixed speed Service valves closed fully at liquid and gas side Failure Sensor TS Accumulator Check joint Ps Check valve Capillary Solenoid valve SV3B Strainer Tempo...

Page 51: ...0HX Slave unit 2 Fixed speed Propeller fan Fan motor M Condenser Sensor TE1 PMV A Liquid tank Strainer Drier x2 MM A0280HX Slave unit 4 Fixed speed Service valves closed fully at liquid and gas sides Failure Sensor TS Accumulator Check joint Ps Check valve Capillary Solenoid valve SV3B Strainer Dotted line Evaporating gas refrigerant Low pressure gas Solid line High pressure gas or compressed liqu...

Page 52: ...Packed valve oil balancing pipe Packed valve liquid side Condenser Solenoid valve SV42 MM A0280HX Slave unit 2 Fixed speed Propeller fan Fan motor M Condenser Sensor TE1 PMV A Liquid tank Strainer Drier x2 MM A0280HX Slave unit 4 Fixed speed Failure Dotted line Evaporating gas refrigerant Low pressure gas Solid line High pressure gas or compressed liquid refrigerant 4 way valve Pulse motor valve B...

Page 53: ... N 028 6 4 1 7 x 250L x 2 12 7 25 042 6 4 3 0 x 200L x 2 12 7 25 056 6 4 3 0 x 100L x 4 12 7 40 080 9 5 3 0 x 200L x 6 15 9 40 LOW WALL MM S 056 6 4 3 0 x 100L x 3 12 7 40 MM SR 080 9 5 3 0 x 100L x 6 15 9 40 BUILT IN SLIM DUCT MM SB 028 6 4 1 7 x 250L x 2 12 7 25 2 WAY CASSETTE MM TU 028 6 4 3 0 x 100L x 2 12 7 25 042 6 4 2 4 x 300L x 2 12 7 25 056 6 4 3 0 x 100L x 2 12 7 40 4 WAY CASSETTE MM U 0...

Page 54: ...tput 4 way valve output OFF in cooling time PMV A output Operation start Operation stop ON OFF ON ON OFF OFF OFF OFF ON or OFF By command from indoor ON or OFF 2 minutes 30 seconds Specified opening Full close Full close Thermostat ON Thermostat OFF Operation signal from indoor Inverter drive Outdoor fan output Fixed speed Mg SW output Each solenoid valve output 4 way valve output OFF in cooling t...

Page 55: ...limiting control discharge temperature or compressor internal temperature increase 1 Opening is controlled with pulses from 0 500 2 PMV opening is controlled with temp detected by TS TD sensors 3 PMV openings are fully closed during thermostat OFF operation stop and emergency stop 2a Outdoor fan 1 Cooling fan control control 1 In a specified time when cooling operation is activated the master outd...

Page 56: ...evolutions number 16 Fixed speed slave units not operating will maintain the ODU fan at 1 wave to prevent refrigerant from remaining in the ODU Heat Exchanger 3 Capacity By the capacity request command from the indoor controller the inverter operation calculation command of the master outdoor unit ON OFF control of the fixed speed compressor and the slave outdoor unit are determined The master out...

Page 57: ...l judgment operation result of the master outdoor unit has been insufficient while the compressor of master outdoor unit was ON or when one of the slave outdoor units required oil equalizing this control is implemented When only one outdoor unit is present this control is not implemented 6 Refrigerant Oil 1 Oil recovery control in cooling mode Refrigerant recovery control in heating mode recovery ...

Page 58: ...pt during stop time and thermostat OFF time 1 Contents of control SV2 is opened when Ps pressure 0 8 kgf cm2 G SV2 is closed when Ps pressure 1 2 kgf cm2 G 3 SV2 compressor case bypass control This control is to prevent oil dilution This control is individually executed by the master outdoor unit and each slave outdoor unit This control is executed during compressor ON except during oil level dete...

Page 59: ... a minimum of 24 hours before commencing system operation 1 Control conditions Compressor stops and TD 35 C 2 Contents of control This control is executed by temperature detected by TK3 sensor as shown in the following figure NOTE Switching may be heard during heat winding operation but it is not an error fault TK3 40 C 34 C 25 C C zone B zone A zone A zone B zone C zone Continuous switch on Inter...

Page 60: ...ion control 1 The heat sink temp is detected by the thermistor in the compressor driving module Q200 and the inverter compressor driver stops when 120 C is detected 2 When the inverter compressor driver stops 1 is counted to the error count If the error count reaches 3 the system generates a fault code and system operation stops NOTE When the error has been determined the ambient outdoor temp or a...

Page 61: ...tched on finish defrost mode simultaneously 3 Conditions for finishing the defrost operation 1 Common condition Once a certain period of time passed after the 4 way valves were off the control finishes the defrost operation according to the TE sensor detected temperature and the Pd pressure Defrost will be compulsorily ceased 10 minutes after it was activated 2 For the master outdoor units Once th...

Page 62: ... control operation The master outdoor units and slave outdoor units have their own control over this action when the defrost heating operation is in progress 1 Control details When PS pressure 0 5 kgf cm2 G the control switches SV41 and SV42 on When PS pressure 1 0 kgf cm2 G SV41 and 42 are switched off 13 Cold draught 1 During the heating operation the indoor fan is controlled according to the Pr...

Page 63: ...of the outdoor fan decreases and a low continuous sound may be heard when power is turned on This sound is not abnormal 2 PMV Pulse Motor Valve 1 When the power is turned on a tap sound to initialize PMV is heard If this sound is not heard PMV operation error may be present However this sound may not be heard at a place where outside noise takes prominence 2 Do not remove the driving part Head par...

Page 64: ... set up temperature 18 to 29 C Operationtemperature 18 to 29 C 2 Operation point with compressor OFF 3 Operation temp precision 1 C 4 Differential 1 C 4 Automatic 1 Based upon difference between Ta and Ts the operation frequency is indicated to capacity the outdoor unit control Ts set up temp R C Ta Room temp Ambient 2 1 Ts 1 1 Ts 1 2 Compressor OFF COOL HEAT Compressor OFF SD SB S9 S7 S5 S3 S0 S0...

Page 65: ...hen the following conditions are satisfied 1 TC1 12 C and TC2 12 C 2 30 minutes after the air conditioner has stopped C Q P a K I J TCI TC2 P 10 12 Q 0 15 8 Cooling When the indoor units stand by thermostat is OFF or unit operates with FAN mode Only for 4 way 2 refrigerant PMV of the indoor unit is opened by a certain degree when the cooling oil heating way ceiling cassette Heating oil refrigerant...

Page 66: ...has been received from the remote controller the Selection of J11 measured time is reset and LCD display is cleared presence 14 STANDBY 1 When phase order of the power source wiring is incorrect STANDBY is display Over capacity combination of indoor units displayed There is an indoor unit with the indoor overflow alarm 0b 2 The above indoor unit status that cannot operate enters standby status whe...

Page 67: ...o 5 units B P 4 No of connected indoor units A 0 to 40 0 to 40 units B P 5 No of operating indoor units A 0 to 40 0 to 40 units B P 6 A B 7 Release control operation A r Normal operation r1 Under release control B 8 Oil equalizing pattern A OL B P Normal operation P1 to P3 Oil equalizing patterns 1 to 3A 9 A B 10 Refrigerant oil recovery operation A C Normal operation C1 Under cooling oil recovery...

Page 68: ...atus 2 1 During operation SW04 Push function Inverter frequency data is displayed in decimal notation SW05 Push function Release of frequency data display in decimal notation 6 Outdoor fan operation pattern A FP B 0 to 16 0 wave stop to 16 waves All waves 7 Compressor back up A C1 Under No 1 compressor back up set up B C2 Under No 2 compressor back up set up 8 A B 9 Control valve output A B SV2 OF...

Page 69: ... the inverter unit SW03 SW02 SW01 Displayed content 1 to 4 1 3 Check code A U2 to U5 Outdoor unit number set up with SW03 B Normal time No error A check code is displayed in abnormality 2 Type of fixed speed compressor A U2 to U5 Outdoor unit number set up with SW03 B A Fixed speed 2 in 1 compressor b Fixed speed 2 compressor C Fixed speed single compressor 3 Fixed speed unit capacity A U2 to U5 O...

Page 70: ...n STOP time 3 to F During operation S3 to SF 8 Indoor PMV opening A 01 to 48 Indoor address number B Data is displayed as pulse 9 Indoor saturation temperature A 01 to 48 Indoor address number B Data is displayed as temperature 10 Indoor TA sensor A 01 to 48 Indoor address number B Data is displayed as temperature 11 Indoor TC2 sensor A 01 to 48 Indoor address number B Data is displayed as tempera...

Page 71: ...l to the standard remote controller D11 Green Serial send Flashes synchronized with the send signal from the standard remote controller D22 Red Alarm stop display Goes on when the indoor unit stops with fault D51 Yellow Cycle communication Flashes synchronized with receive signal from the outdoor unit Indoor PC board parts layout D51 Yellow D13 Orange D22 Red D11 Green MCC 1361 01 PCB identificati...

Page 72: ...e order error If phase order of power source of the outdoor unit is different the indoor unit will display STANDBY mode The check code AF is displayed at the same time as STANDBY c Indoor operation below 0 8HP control When the total capacity of the operating indoor units is below 0 8HP the relevant indoor unit displays STANDBY mode A check code is not displayed Incorrect set up of indoor HP is con...

Page 73: ... of address set up see the next page SW03 TA adjust No 1 ON Normal No 2 OFF Normal SW06 Ceiling height No 1 OFF Normal No 2 OFF Normal When height of ceiling exceeds 2 7 m set No 1 to ON SW07 Central control switching ON Communication error Non relay OFF Normal Communication OK No 2 OFF Normal SW08 Indoor HP set up Factory set For contents of switch set up see section 5 ON Address set up by remote...

Page 74: ... O O O Address No DIP switch SW02 1 2 3 4 5 6 1 X X X X X X 2 O X X X X X 3 X O X X X X 4 O O X X X X 5 X X O X X X 6 O X O X X X 7 X O O X X X 8 O O O X X X 9 X X X O X X 10 O X X O X X 11 X O X O X X 12 O O X O X X 13 X X O O X X 14 O X O O X X 15 X O O O X X 16 O O O O X X 17 X X X X O X 18 O X X X O X 19 X O X X O X 20 O O X X O X 21 X X O X O X 22 O X O X O X 23 X O O X O X 24 O O O X O X 25 ...

Page 75: ...0 MM K KR056 MM K KR042 NOTE denotes year of manufacture Switch set up 1 SW01 Indoor unit No Match to No which the rotary switch is set up Master unit 1 Slave units 2 to 16 2 SW02 Network address Match to set up contents of PC board before replacement 3 SW03 Match to set up contents of PC board before replacement 4 SW06 Match to set up contents of PC board before replacement In some models it is n...

Page 76: ...units with a filter problem is indicated followed by the check code LCD display Standby mode When combination of indoor units is over the capacity When indoor unit with command excepted by operation mode select switch When phase sequence of power wiring is incorrect Check switch Push for 0 5 seconds to display CHECK code Push for 3 seconds to reset indoor microprocessor While indoor microprocessor...

Page 77: ... segment display Hexadecimal notation Decimal notation Unit No Check data Check code detected at first Check code detected at last Example Room Temp sensor of No 1 is defective In No 15 first the Heat Exchanger sensor has failed Next the indoor outdoor inter unit wire bus communication line is defective Example There is no check data After 3 seconds ...

Page 78: ...sure sensor Ps short circuit b4 Pressure sensor Pd Ps miswiring Ab Discharge temp TD1 alarm A6 Discharge temp TD2 alarm bb Low Hz time discharge temp TD1 alarm AE Suction temp TS alarm A7 High pressure Pd protective operation 22 Low pressure Ps protective operation bE Fixed speed 1 high pressure SW system alarm E1 Fixed speed 2 high pressure SW system alarm F0 Fixed speed 1 IOL OCR alarm E6 Fixed ...

Page 79: ...re continuity of the communication cable between inverter and interface PC boards Is there voltage present between pins 4 and 5 of CN600 on interface PC boards Measurement by tester DC 0 to 5V 5 pin GND Is there voltage present between pins 3 and 5 of CN600 on interface PC boards Measurement by tester DC 0 to 5V 5 pin GND Check noise interference from outside etc Is refrigerant detector RBC RD2 PE...

Page 80: ...rain pump error Check connection of connector CN11 Drain pump Indoor main PC board MCC 1361 01 Check and modify wiring circuit MCC 1361 01 Indoor PC board error MCC 1361 01 Float switch error Check and modify wiring circuit 2 Check whether voltage of CN08 pins 1 to 3 of the indoor main PC board is 230V or not MCC1361 01 Yes Yes Yes Yes Yes No No No No Check code Operation cause 0C Indoor sensor TA...

Page 81: ...nnector 2 3 pins during fan operation Measurement by tester Approx DC2 to 2 5V Is there a connection error of CN07 connector Is capacitor normal Confirm there is no mechanical lock on the fan motor Modify connection and wiring Replace capacitor Replace fan motor Replace MCC 1355 01 PC board Yes Yes Yes Yes Yes Yes No Yes No No No No No No Check code Operation cause 12 1 Irregularity of power sourc...

Page 82: ...oard Is the power source voltage of the outdoor unit normal Is the connection of the wiring connector on the inverter PC board normal Is AC 20A fuse working Is inverter compressor normal Is smoothing capacitor normal 2200μ F 400V x 2 Check inverter PC board Confirm the power source supply Modify connector of wiring Replace inverter PC board and fuse Replace inverter PC board and compressor Check c...

Page 83: ... TE short circuit TE sensor open short TE1 sensor open short has been detected Confirm sensor is not disconnected TE1 sensor CN505 confirm circuit and resistance value characteristics of sensor When the sensors are normal replace outdoor PC board Check code Operation cause 1C 1 Outdoor unit power source error Extension IC EEPROM short circuit alarm 2 Interface PC board error Is there an irregulari...

Page 84: ...ge reduction occur when the fixed speed compressor has been activated Is the connection of wiring on the inverter PC board normal Is there an abnormal overload Is the inverter compressor normal Is there refrigerant stagnation in the compressor case Check inverter PC board Confirm the power source supply Modify connector wiring Modify cause of overload Compressor error Modify refrigerant stagnation...

Page 85: ...r 3 Inverter PC board error Remove cause of overload Is the power source voltage of the outdoor unit normal Does the voltage reduction occur when the fixed speed compressor has been activated Is the wiring connection on the inverter PC board correct Is there an abnormal overload Check inverter PC board Confirm the power source supply Modify wiring connector No No No No Yes Yes Yes Yes ...

Page 86: ...blem with the outdoor unit heat exchanger 1 Blockage of heat exchanger 2 Short circuit Il circuito di bypass della SV2 è normale Is SV2 bypass circuit normal Refrigerant over charge Blockage Pipe breakage Abnormal overload Check parts If defective replace Open service valve fully Remove cause Repair SV2 bypass circuit Coil error disconnection of wiring etc Are the connections for the capacitor and...

Page 87: ...tics normal Is service valve fully open Does the outdoor fan operate Is there a problem with the outdoor unit heat exchanger 1 Blockage of heat exchanger 2 Short circuit Is SV2 bypass circuit normal Refrigerant over charge Blockage Pipe breakage Abnormal overload Remove cause Repair SV2 bypass circuit Coil error disconnection of wiring etc Are the connections for the capacitor and fan motor normal...

Page 88: ...table 2 Is the HP setting correct for each individual indoor unit Is the total capacity of connected indoor units within 135 Check inverter PC board Indoor unit over capacity was detected during outdoor unit system set up Set up no detection of over capacity 1 Confirm system specification Keep capacity of connected indoor units within 135 Correct HP setting No No No No Yes Yes Yes Yes 1 Set up no ...

Page 89: ...unit system set up Reduction in the No of 2 Outdoor unit power source connected outdoor units 3 Connection error of communication cable between outdoor units 4 Connection error of BUS communication 5 Interface PC board error 1 How to clear the alarm Set SW01 SW02 SW03 on interface PC board of the master outdoor unit to 2 16 1 respectively and push SW04 for 5 seconds Display on the 7 segment displa...

Page 90: ...tdoor address setting OFF Automatic addressing factory set ON Manual addressing Troubleshooting Diagnostic procedure for check code Check code Operation cause 93 Indoor TC1 sensor short circuit alarm Indoor heat exchanger TC1 sensor error Check connection of TC1 sensor TC1 sensor CN20 disconnection of circuit and characteristics of sensor resistance value If the sensor is normal replace indoor PC ...

Page 91: ...rference etc Check indoor PC board If defective replace Check communication cable Check wiring of wire connector Check noise interference etc and remove it Yes Yes No No No No Yes Yes Did a power failure occur Clear the check code Yes No Is the power supply of the outdoor unit turned on Turn on power source of outdoor unit No Yes NOTE 1 When first turning on the power supply of the indoor unit and...

Page 92: ...controller Check interface PC board of outdoor unit If defective replace Modify communication cable Modify wiring of wire connector No No No Yes Yes Yes Yes No Check code Operation cause 96 1 Connection error of communication cable PQ No of connected indoor units over capacity between indoor and outdoor units 2 Abnormal No of connected indoor units 3 Wiring connection error of central management r...

Page 93: ...ring Check power source wiring Yes No Troubleshooting Diagnostic procedure for check code Check code Operation cause 97 1 Connection error of communication cable PQ Central management communication between indoor and outdoor units short circuit 2 Connection error of XY for outdoor units 3 Power source system error of the central controller and indoor unit 4 Noise of peripheral devices 5 Power fail...

Page 94: ... master outdoor unit normal Is there duplication of network addresses Check indoor PC board If defective replace No No Yes Yes Check the central controller If defective replace Is 97 displayed only on the central controller Check No of connected central controllers to 1 unit Yes No Troubleshooting Diagnostic procedure for check code Check code Operation cause 98 1 Miswiring of XY communication cab...

Page 95: ...onnection error Yes No Set SW01 to 1 Avoid duplication of unit set up to No 1 Is SW01 set to No 1 on the master unit Is SW01 duplicated Check indoor PC board If defective replace No No Yes Yes Does the indoor unit operate Is the unit set up No 1 Make unit set up No 1 No Yes Is group operation performed Yes No Check indoor PC board If defective replace Check remote controller PC board If defective ...

Page 96: ... check miswiring according to the temp conditions Table 1 Stop the outdoor unit for 20 minutes or more and then check miswiring again Yes Yes Table 1 Cooling miswiring Indoor 18 to 32 C Outdoor 15 to 43 C Check code Operation cause 9F 1 Indoor unit PMV connection error main unit error Refrigerant circulation amount 2 TC1 sensor TC2 sensor TA sensor error shortage judgement 3 Miswiring Mispiping be...

Page 97: ...ircuit TD2 sensor open short Open short of TD2 sensor was detected Check connector TD2 sensor CN503 and characteristics of sensor resistance value When sensor is normal replace interface PC board of the outdoor unit Check code Operation cause A2 Suction temp sensor TS short circuit TS1 sensor open short Open short of TS1 sensor was detected Check connector TS1 sensor CN504 and characteristics of s...

Page 98: ...e gas pipe and liquid pipe service valves of the outdoor unit fully open Is there a blockage in the PMV assembly on the liquid line Is wiring correct Insufficient refrigerant blockage pipe breakage Open valves fully Replace both the PMVs Correct wiring No No Yes Yes Yes No Are the resistance characteristics of TD1 sensor normal Replace TD1 sensor No Yes Is the cooling bypass PMV B normal Cooling b...

Page 99: ... open Is there a blockage in the PMV assembly on the liquid line Open valves fully Replace both the PMVs No Yes Yes No Insufficient refrigerant blockage pipe breakage Are the resistance characteristics of TS sensor normal Replace TS sensor No Yes Check code Operation cause AA High pressure sensor Pd short circuit Pd sensor output voltage alarm If there is an abnormal output voltage of Pd sensor Ch...

Page 100: ...peration compressor error Are the output voltage characteristics of Pd sensor Ps sensor normal Modify wiring Check the interface board No No Is the pipe connection position of Pd sensor Ps sensor correct Check connection Pd sensor CN501 Ps sensor CN500 No Yes Yes Is the wiring of compressor normal Yes Are the pressure characteristics normal when compressor is operating Check compressor No Yes Sens...

Page 101: ...id line Is the wiring correct Insufficient refrigerant blockage pipe breakage Open valves fully Replace both the PMVs Set normal wiring No No Yes Yes Yes No Are the resistance characteristics of TD1 sensor normal Replace TD1 sensor No Yes Is the cooling bypass PMV B normal Cooling bypass PMV B error No Yes Check miswiring of the outdoor unit according to miswiring check function Check code Operati...

Page 102: ... Sensor error No Check code Operation cause b5 1 External device error External input display fault 2 Indoor PC board error b6 External interlock display fault Is the external device operating normally No Is the external device connected to connector CN17 Check indoor PC board If defective replace No Yes Yes Check external device If defective replace Check cause of the operation Check code Operati...

Page 103: ... resistance characteristics of TD2 sensor normal Replace TD2 sensor No Yes Is the cooling bypass PMV B normal Cooling bypass PMV B error No Yes Check miswiring of the outdoor unit according to miswiring check function Troubleshooting Diagnostic procedure for check code Check code Operation cause bb 1 Outdoor unit service valve closed Discharge temperature TD2 alarm 2 Cooling bypass PMV error 3 TD ...

Page 104: ...supply and replace Mg SW Yes No Yes Are the output voltage characteristics of Pd sensor Ps sensor normal Sensor error No 14 Troubleshooting Diagnostic procedure for check code Check code Operation cause bd 1 Mg SW contact deposit protective operation Mg SW protective operation 2 TD sensor error 3 Pd sensor Ps sensor error 4 Insufficient refrigerant blockage in pipe ...

Page 105: ...ice valves of the outdoor unit fully open Is the wiring correct Insufficient refrigerant blockage pipe breakage Clean or remove blockage Open valves fully Set normal wiring Yes No No No Yes Yes Is SV2 bypass circuit normal Modify SV2 bypass circuit Is SV2 bypass circuit normal No Yes Are the characteristics of low pressure sensor normal Replace low pressure sensor No Yes Check miswiring of the out...

Page 106: ...osition duplicated Set SW08 bit 2 on interface PC board of each unit 1 Yes Troubleshooting Diagnostic procedure for check code Check code Operation cause d1 1 No of connected inverter outdoor units Master outdoor unit set up alarm 2 Incorrect set up of master outdoor unit 3 Defective outdoor interface PC board 1 Set up of outdoor unit at center position SW08 bit 2 set up on outdoor interface PC bo...

Page 107: ...lace IPDU PC board Check code Operation cause d4 Oil temp TK1 sensor alarm TK1 sensor open short Open short of TK1 was detected Check connection TK1 sensor CN516 and resistance value characteristics of the sensor If sensor is normal replace the outdoor interface PC board Check code Operation cause d5 Oil temp TK2 sensor alarm TK2 sensor open short Open short of TK2 was detected Check connection TK...

Page 108: ... Yes Are balancing pipe valves of all outdoor units fully open Check connector Pd sensor CN516 Ps sensor CN515 No Yes Yes Is there refrigerant stagnation in compressor case No 1 Is there a 2 way valve leakage SV3A SV3C or blockage SV3B Replace oil tank circuit No leakage blockage Yes Open balancing pipe valve fully reset power supply and start the operation Is the compressor case oil removal valve...

Page 109: ...inutes check temperature at secondary side of SV3A valve B When temperature is high equivalent to discharge temp leakage occurs from SV3A valve Replace SV3A coil 7 Using charge hose etc connect the check joint of gas pipe D and the charge port of balancing pipe 8 Start a trial operation under condition that AC220V 240V power is and to SV3B valve is connected 9 After operation for several minutes c...

Page 110: ...lace Is TK2 sensor in contact with discharge pipe Is there a leakage or blockage in the peripheral circuit of the oil tank 1 Check interface PC board Modify sensor mounting Modify miswiring TK1 sensor CN516 TK2 sensor CN515 TK3 sensor CN507 Replace leaked blockage part Yes Yes Yes No Leakage blockage No Is the resistance value characteristics of TK2 sensor normal Sensor error No Yes Is there a mis...

Page 111: ...ered Check the following items 4 Start a trial operation confirm that AC220V 240V power is on to SV3C valve 5 After operation for several minutes check the temperature at the secondary side of SV3C A When temperature is high equivalent to discharge temperature at B valve is not blocked If blocked part is found replace the part 6 During operation check whether leakage occurs in the check valve two ...

Page 112: ... a screw loose on the IGBT module or heat sink on inverter PC board Tighten screws Yes No Is outdoor fan normal Check the circuit wiring for example wiring to the inverter compressor or connector connection No Yes Troubleshooting Diagnostic procedure for check code Check code Operation cause dA 1 Power supply failure Abnormal overheat of heat sink 2 Outdoor fan error 3 Heat sink installation failu...

Page 113: ...ck the 7 segment display of interface PC board 7 segment display When operation has started OL During detection of oil level OL FF or Numerical Judgement result of oil level OL AO A1 or A3 In case of judgment result A0 A1 Oil level is adequate Resume the operation In case of judgment result A3 Possibility of SV3C valve circuit blockage is considered Check the following items 4 Start a trial operat...

Page 114: ...C valve leakage detection 2 TK1 sensor resistance value characteristics error 3 Outdoor unit operation in high external temperatures 1 SV3C valve leakage check procedure 1 Remove SV3C coil and start a trial operation 2 During operation check the temperature at secondary side of SV3C valve A If the temperature is high equivalent to discharge temperature leakage from SV3C valve is considered Replace...

Page 115: ...ockage in the PMV assembly on the liquid line Are the characteristics of Pd sensor Ps sensor output voltage normal Is there a blockage in SV3B valve circuit Check interface PC board Replace both the PMVs Check connection SV2 CN312 Replace blocked part Yes Yes No No No blockage Yes Is there a blockage in SV2 valve circuit Replace SV2 valve Yes No blockage Is SV2 valve coil normally connected Pd sen...

Page 116: ...ng items Fault check of indoor unit PC board Source check of communication noise interference Incorrect set up of jumper options on indoor unit PC board Check code Operation cause dF 1 Outdoor unit in automatic addressing mode Outdoor address undefined 2 Defective indoor unit interface PC board 3 Communication noise interference While this check code is displayed wait for a moment When the address...

Page 117: ...re the fixed speed high pressure SW parts normal Is service valve fully open Does outdoor fan operate Il circuito di bypass della SV2 è normale Is the outdoor heat exchanger blocked or is a short circuit evident Refrigerant over charge Blockage Pipe breakage Abnormal overload Check parts If defective replace Open service valve fully Replace high pressure sensor Eliminate cause Is the capacitor and...

Page 118: ...oor units 14 Is the IOL circuit normal 1 Connector 2 Wiring 3 Outdoor PC board Are the gas pipe and liquid pipe service valves of the outdoor unit fully open Is wiring correct Insufficient refrigerant blockage pipe breakage Repair IOL circuit Open valves fully Set normal wiring No No No Yes Yes Yes Is the cooling bypass PMV B normal Cooling bypass PMV B error No Yes Check miswiring of the outdoor ...

Page 119: ...lve of the outdoor unit fully open Is the cooling bypass PMV B normal Is wiring normal Insufficient refrigerant blockage pipe breakage Repair OCR circuit Open valves fully Repair power supply Replace fixed speed compressor Repair IOL circuit Check the following 1 Power supply voltage is 380 400 415V 2 Phase missing short circuit of fixed speed compressor power supply Is Mg SW faulty Replace Mg SW ...

Page 120: ...g items 1 Remove lower painted panel and electrical cover on the inverter outdoor unit and check the 7 segment display A check code is displayed at the right side of the 7 segment display U1 nn nn Check code Switch set up when checking the check code SW01 1 SW02 1 SW03 1 2 Confirm the check code and implement check operation according to the Troubleshooting guide for each check code 3 If U1 d2 is ...

Page 121: ...r valve 1 Liquid bypass proportional control function for releasing discharge temperature 2 Releases low pressure Oil separator 1 Early protection of oil level down Decreases flow out of discharge oil to cycle Temperature 1 TD1 CN502 TD1 Connector Red TD2 Connector White sensor TD2 CN503 1 Used to protect discharge temperature from the compressor 2 Used to control cooling bypass for releasing disc...

Page 122: ...or unit of which the compressor failed According to the following table set DIP switch SW06 on the interface PC board Table switch set up in compressor back up SW06 Bit 1 Bit 2 Bit 3 Bit 4 Initial set up at shipment from factory OFF OFF OFF OFF No 1 compressor INVERTER Front left compressor has failed ON OFF OFF OFF No 2 compressor FIXED Front right compressor has failed OFF ON OFF OFF 3 Back up s...

Page 123: ...5 In case of fault of other cycle part system a Remove BUS 1 communication connector BLU CN601 on the interface PC board b Works to the failed fixed speed unit are complete c Then turn on the power source to protect the compressor Turn on crank case heater 3 Perform the following works for the inverter unit 1 Set DIP SW 07 Bit 3 on the interface PC board to ON Set up to correct oil recovery capaci...

Page 124: ... management remote controller is connected to the inverter unit the central management remote controller cannot be used 6 In case of fault of other cycle part system a Set DIP SW06 Bit 1 2 3 4 on the interface PC board to ON LED display changes to U0 b Failed inverter work is complete c Then turn on the power source to protect the compressor Turn on winding heater d The central management remote c...

Page 125: ... the outdoor units which are connected to the system 2 The following works are performed to the failed outdoor unit Even if the failed outdoor unit is the inverter unit or fixed speed unit the following works are common specifications 1 Set DIP SW06 Bit 1 and Bit 2 on the interface PC board to ON 2 If refrigerant leakage occurred on PMVB close the service valve of the liquid pipe fully Fully close...

Page 126: ...n of oil level 3 Push the push switch SW04 for 2 seconds 4 Check the 7 segment display on the PC board Oil level judgement result Result Judgement A0 Oil amount in the compressor is adequate Check that the operation continues and there is no problem If dC occurred execute check even if oil level was judged as adequate A1 Oil level was judged as shortage If this judgment continues the system stops ...

Page 127: ...eak Ensure you allow for any change in ambient temperature when the pressure was initially applied and the temperature 24 hours later The pressure will change by approx 0 01MPa 0 1kg cm2 G per 1 C NOTES If piping is long an airtight test is performed for each divided block 1 Indoor side vertical pipe 2 Indoor side vertical pipe outdoor side 3 Leaked position check When a reduction in pressure is d...

Page 128: ... 750mmHg or below after vacuuming fully close valves Close VL and VH on the gauge manifold fully stop the vacuum pump After 1 hour check the vacuum gauge reading has not change If there is a change there may be a leak Check for leak 6 After the above procedure of vacuuming has completed replace the vacuum pump with a refrigerant cylinder and advance to additional refrigerant charging work 17 Conne...

Page 129: ... on the basis of the size of the liquid side pipes in use at the site and their length Refrigerant to be added at site length of liquid side pipe x additional amount of refrigerant per meter of liquid side pipe Additional refrigerant R kg L1 x 0 030kg m L1 Total length m of 6 4 mm diameter liquid side pipe L2 Total length m of 9 5 mm diameter liquid side pipe L3 Total length m of 12 7 mm diameter ...

Page 130: ...way Begin the cooling operation open valve VL and then charge the gas side pipe with refrigerant in the liquid state 3 While watching the scales display quickly close the valve VL completely when the system has been charged with the proper amount of additional refrigerant Then close the source valve Va on the cylinder and open the gas side packed valve completely 4 Record the amount of additional ...

Page 131: ... 7 830 11 340 28 0 840 1 820 3 220 5 320 8 120 11 760 29 0 870 1 885 3 335 5 510 8 410 12 180 30 0 900 1 950 3 450 5 700 8 700 12 600 Actual Pipe size liquid pipe mm piping length m 6 4 9 5 12 7 15 9 19 0 22 2 31 0 930 2 015 3 565 5 890 8 990 13 020 32 0 960 2 080 3 680 6 080 9 280 13 440 33 0 990 2 145 3 795 6 270 9 570 13 860 34 1 020 2 210 3 910 6 460 9 860 14 280 35 1 050 2 275 4 025 6 650 10 ...

Page 132: ...m2 Is the power of indoor units collectively supplied Is the earth grounded Is the insulation good 10 MΩ or more MΩ or more Is the voltage good Within 380 400 415 10 V for outdoor unit Is the connecting cable diameter correct Is the branching kit correct Is the drain water flow sufficient Indoor unit Is the heat insulation of cables good Connecting cables branching kits Is there no short circuit o...

Page 133: ...l Check power supply of the indoor unit Check wiring between indoor unit and remote controller Disconnect wires surrounding the control PC board of indoor unit Check connector error Check transformer failure of indoor microprocessor Check remote controller error Check control PC board failure of indoor unit Check for over capacity of the total connected indoor units Check power supply phase order ...

Page 134: ... voltage good 220V 240V Is the operation current within 15 of the catalogue current value Max Hz operation Is the operation pressure normal Normal Check operation status of the compressor This air conditioner is attached with reactivation delay timer so the operation restarts 2 minutes 30 seconds after it stopped Check louvre direction Check the supply power voltage Check power cable dia Check ove...

Page 135: ...fication NOTE 2 Criteria of operation current value In cooling operation when the current is within 15 of the specified current value the system is operating normally COOL Max Hz operation The current value differs as described below according to the operation conditions Greater than the specified current 1 Temp in indoor outdoor is high 2 Radiation of outdoor unit is bad Less than the specified c...

Page 136: ...s or stops according to the operation mode 3 The outdoor unit is in stop status Therefore cool air does not discharge from indoor unit After automatic address is over the above condition is released and normal operation starts automatically 2 Miswiring check causes misjudgment of automatic addressing If miswiring is found during automatic addressing the result is incorrect addressing Therefore che...

Page 137: ...et SW01 on the interface PC board of the inverter outdoor unit to 1 SW02 to 4 and SW03 to 3 The No of indoor units connected to the system is displayed on the 7 segment LED A Check that this display is consistent with the expected No of the indoor units Set the switch on the interface PC board of the inverter outdoor unit to the following value SW01 to 2 SW02 to 1 SW03 to 1 Cooling operation Push ...

Page 138: ... match the set up on the remote Clear controller Returns SW01 SW02 and SW03 to 1 Collective All the connected indoor units are stopped Set up stop collectively Push SW05 for 2 seconds or more under condition of SW01 2 SW02 7 SW03 1 Clear Returns SW01 SW02 and SW03 to 1 3 Individual The specified indoor unit is operated Set up operation To operate SW01 16 SW02 and SW03 NOTE Set to the indoor addres...

Page 139: ...erter outdoor unit to 2 SW02 to 5 and SW03 to 1 Push the push switch SW04 on the PC board of the inverter outdoor unit for 2 seconds or more Check that mode on the remote controller of the indoor unit to be operated is trial cooling operation mode L is displayed Check that C is displayed on the 7 segment LED B of the interface PC board of the inverter outdoor unit Return SW01 to 1 SW02 to 1 and SW...

Page 140: ...board of the inverter outdoor unit All the connected indoor units are operated collectively Push the push switch SW05 for 2 seconds or more on the interface PC board of the inverter outdoor unit After trial operation return the display select switches SW01 SW02 and SW03 on interface PC board of the inverter outdoor unit to 1 Operation Check When the discharge temp does not change even if COOL is s...

Page 141: ...us to normal see Troubleshooting and then perform the Trial Operation Trial operation Service support function 3 Individual start stop ON OFF function This function is to start stop ON OFF the indoor units connected to an identical system individually using the switch on interface PC board of the inverter outdoor unit Set SW01 to 16 and SW02 and SW03 to the indoor unit to be operated See in the fo...

Page 142: ... on the PC board of the inverter outdoor unit without resetting the power source and enables the start of operation However the check code stored on the remote controller is not removed and should be removed accordingly using the remote controller Clearing setting in remote controller by the above item 1 or reset hole Set the switches on interface PC board of the inverter outdoor unit SW01to 2 SW0...

Page 143: ...connected to a particular outdoor unit by using the PC board of the inverter type outdoor unit Identifying procedure 18 Operation Completion Power ON Set the display select switches on interface PC board of the inverter outdoor unit SW01to 2 SW02 to 4 and SW03 to 1 Push the push switch SW04 on interface PC board of the inverter outdoor unit for 2 seconds or more NON PRIORITY display on the connect...

Page 144: ...and push SW04 for 2 seconds or more 7 segment display B changes to FF for 2 minutes Clear After set up PMV returns to normal open pulse automatically when 2 minutes has passed Opened fully for 2 minutes only against FULL OPEN signal from the outdoor unit or software of the indoor unit Pulse Motor Valve PMV forced FULL OPEN FULL CLOSE function in outdoor unit This function allows forced opening clo...

Page 145: ...utdoor units and keep the system in stop status Indoor unit stop If insulation resistance of the failed outdoor unit compressor is insufficient remove the compressor cable before turning on the power source A 2 For the failed outdoor unit complete the following operations 1 Close the liquid service valve fully Keep the gas pipe and balancing pipe valve opened fully 2 Set the rotary switches on the...

Page 146: ... the system can automatically activate Execute operation in item B 3 B 3 For the outdoor unit selected as the master unit usually the Inverter unit execute the following operations 1 Set the rotary switches on the interface PC board to the following numbers SW03 No 1 SW02 No 5 SW01 No 2 Trial cooling mode 7 segment display C 2 Hold the push switch SW04 on the interface PC board for 5 seconds or mo...

Page 147: ... recovery method Explanatory diagram Modular multi service valve Figure Open close direction of service valve Valve open Valve closed Figure Position of service valve Balancing pipe service valve Liquid pipe service valve Gas pipe service valve ...

Page 148: ...essor Remove the failed compressor Recover refrigerant according to page 145 Refrigerant Recovery Method when replacing compressor or by a refrigerant recovery device Remove parts Turn off power of the failed unit Install the compressor Check leakage of the failed unit Vacuum the failed unit Charge refrigerant Open valves fully Balancing liquid and gas pipes End ...

Page 149: ... of oil from compressor Cut the case bypass located at the bottom of the compressor by the same height as that of the suction pipe Connect hose to the cut case bypass and insert the opposite side of the hose in the container in which oil is discharged 7 5 l or more oil may flow through the hose so use a container with capacity of 8 l or more Apply nitrogen gas with approx 0 02MPa from service valv...

Page 150: ...all wires Fully close the valve located under the compressor using a hexagonal wrench Extraction of oil from compressor Cut the case bypass located at the bottom of the compressor by the same height as that of the suction pipe Connect hose to the cut case bypass and insert the opposite side of the hose in the container in which oil is discharged 2 l or more oil may flow through the hose so use a c...

Page 151: ...anel Remove electrical parts cover Disconnect all wires connected to the electric parts box temp sensor pressure sensor complete 2 way valve PMV etc Remove the rear painted panel Remove the crank case heater Only for fixed speed unit Remove the sound proof mat Remove the terminal cover of the compressor and remove all wires Remove two temp sensors for oil detection Fully close the valve located un...

Page 152: ...tions Remove the screws fixing the bottom plate for the compressor Pull out the compressor with the bottom plate for the compressor NOTE Weight of the compressor is approx 100kg Remove the nuts fixing the compressor Remove the compressor Installation Install the compressor in the reverse order of removing the compressor NOTE After installation fully open the valve at bottom side of the compressor ...

Page 153: ...he hose in the container in which oil is discharged 2 l or more oil may flow through the hose so use a container with capacity of 2 5 l or more Apply nitrogen gas with approx 0 02MPa from service valve at gas side to extract oil Extract oil completely Removing of compressor Remove the discharge pipe suction pipe upper oil return piping oil tank piping and case bypass piping Same case for removing ...

Page 154: ...he valve at bottom side of the compressor using a hexagonal wrench Vacuuming Connect the vacuum pump to the check joint of the discharge and suction pipes and operate the vacuum pump Perform vacuuming until the vacuum low pressure gauge indicates 0 750 mmHg Charging of refrigerant Add refrigerant of the same volume to the recovered refrigerant into the check joint of the liquid pipe ...

Page 155: ...01H8 E P cut cut MMY E P MM A0224HX MMY MP0801H8 E P cut cut cut cut MMY E P MM A0160HX MMY MP0601H8 E P cut cut cut cut cut MMY E P Inverter unit cooling only model Outdoor model Electrical box label Jumper No Service PC board label J 02 J 05 J 06 J 07 J 08 J 09 J 22 MM A0280CT MMY MP1001HT8 INV cut cut MMY INV MM A0224CT MMY MP0801HT8 INV cut cut cut cut cut MMY INV Fixed speed unit cooling only...

Page 156: ...156 20 Exploded views and service parts Outdoor units MM A0280HT MMA0280HX MM A0280CT MMA0280CX MM A0224HT MMA0224HX MM A0224CT MMA0224CX ...

Page 157: ...LVE BODY 2 WAY NEV 603DXF 2 2 2 2 28 43A48007 OIL SEPARATOR 1 1 1 1 29 43A48005 ACCUMULATOR 1 1 1 1 30 43A48006 LIQUID TANK 1 1 1 1 31 43A60013 FUSIBLE PLUG 1 1 1 1 32 43A43018 CONDENSER ASSEMBLY RIGHT 1 1 1 1 33 43A43019 CONDENSER ASSEMBLY LEFT 1 1 1 1 34 43A45003 DRIER XH10 R407C 2 2 2 2 35 43146351 SERVICE VALVE Gas 1 1 1 1 36 43A46029 PACKED VALVE Liquid 1 1 1 1 37 43A46030 PACKED VALVE Oil 1 ...

Page 158: ...ews and service parts Outdoor units MM A0160HX MM A0160CX 49 8 4 30 1 6 27 44 45 26 10 7 43 50 35 34 33 28 29 9 46 48 31 2 57 5 3 53 51 56 52 54 40 12 13 11 32 39 24 25 14 15 16 17 20 22 21 19 41 42 47 55 36 37 38 23 18 ...

Page 159: ...0D 2 26 43A48007 OIL SEPARATOR 1 27 43A48005 ACCUMULATOR 9 litres 1 28 43A48006 LIQUID TANK 11 litres 1 29 43A60013 FUSIBLE PLUG 1 30 43A43020 CONDENSER ASSEMBLY Right 1 31 43A43021 CONDENSER ASSEMBLY Left 1 32 43A45003 DRIER XH10 R407C 2 33 43146351 SERVICE VALVE Gas 1 34 43A46029 PACKED VALVE Liquid 1 35 43A46029 PACKED VALVE Oil 1 36 43A46031 CHECK VALVE BCV 302 DY Dia 8 mm 3 37 43A46032 CHECK ...

Page 160: ...34 6 32 5 18 29 4 21 20 19 33 16 24 10 3 11 8 9 1 2 34 6 32 5 18 29 4 21 20 19 33 16 24 10 3 11 13 23 23 5 Exploded views and service parts Outdoor unit electrical parts assembly 20 MM A0280HT MM A0280CT MM A0224HT MM A0224CT MM A0280HX MM A0280CX MM A0160HX MM A0160CX MM A0224HX MM A0224CX ...

Page 161: ... INVERTER ASSEMBLY 1 1 14 43A69017 PC BOARD ASSEMBLY MCC 1342 01 IPDU 1 1 15 43A69018 PC BOARD ASSEMBLY MCC 1366 01 N F 1 1 16 43A69019 PC BOARD ASSEMBLY MCC 1357 01 SURGE 1 1 1 17 43A69020 PC BOARD ASSEMBLY MCC 1343 03 I F 1 1 17 43A69031 PC BOARD ASSEMBLY MCC 1343 03 I F 1 1 18 43A69021 PC BOARD ASSEMBLY MCC 1343 03 I F 1 1 1 18 43A69032 PC BOARD ASSEMBLY MCC 1343 03 I F 1 1 1 19 43A60016 TERMIN...

Page 162: ...4 43A46037 PULSE MOTOR VALVE COIL 1 1 1 1 03 43A44069 REFRIGERATION ASSEMBLY 1 15 43A72004 DRAIN PAN ASSEMBLY 1 03 43A44070 REFRIGERATION ASSEMBLY 1 15 43A72005 DRAIN PAN ASSEMBLY 1 03 43A44071 REFRIGERATION ASSEMBLY 1 15 43191310 DRAIN PAN ASSEMBLY 1 1 04 43A50024 TEMP SENSOR AMBIENT TA 1 1 1 1 16 43160394 CONNECTOR 9P 1 1 1 1 05 43A50021 TEMP SENSOR GAS TC1 1 1 1 1 17 43A5006 TEMP SENSOR CLIP TC...

Page 163: ...MBLY 1 1 23 43A44078 REFRIGERATION ASSEMBLY 1 1 23 43A44079 REFRIGERATION ASSEMBLY 1 1 C042 C140 CR112 C112 CR080 C080 CR056 C056 CR042 CR140 Ref Part No Description 24 43155101 MF CAPACITOR 1 1 24 43155138 MF CAPACITOR 1 1 1 1 24 43A55001 MF CAPACITOR 1 1 24 43155080 MF CAPACITOR 1 1 25 43A70007 HOSE ASSEMBLY 1 1 1 1 1 1 1 1 1 1 26 43172121 DRAIN PAN ASSEMBLY 1 1 1 1 26 43172119 DRAIN PAN ASSEMBL...

Page 164: ...001 SIDE CABINET LEFT 1 1 1 1 1 1 06 43A50022 TEMP SENSOR LIQUID TC2 1 1 1 1 1 1 24 43A00002 SIDE CABINET RIGHT 1 1 1 1 1 1 07 43155100 MF CAPACITOR 1 1 25 43A00003 CONTROL PANEL 1 1 1 07 45155101 MF CAPACITOR 1 1 25 43A01005 CONTROL PANEL REMOTE 1 1 1 07 43A55002 MF CAPACITOR 1 1 26 43121533 GEARED MOTOR 1 1 1 1 1 1 08 43A58007 TRANSFORMER MMS 1 1 1 1 1 1 27 43A19002 SENSOR HOLDER 1 1 1 1 1 1 09 ...

Page 165: ... TC2 1 1 1 1 05 43125142 COUPLING 1 15 43A58004 TRANSFORMER MMS 1 1 1 1 06 43125131 BEARING 1 16 43A60025 TERMINAL BLOCK ABC PQ E 1 1 1 1 07 43120172 MULTI BLADE FAN 1 1 1 17 43A60012 TERMINAL BLOCK E L N 1 1 1 1 07 43120174 MULTI BLADE FAN 1 18 43A69025 PCB CONTROL CM CO2 1 1 1 1 08 43A50006 TEMP SENSOR CLIP 2 2 2 2 19 43A69024 PCB POWER P RC01 1 1 1 1 09 43A44085 REFRIGERATION ASSEMBLY 1 20 43A4...

Page 166: ... 2 2 2 2 34 43102625 SIDE PANEL ASSEMBLY left 1 1 1 1 12 43119394 LEVER 1 1 1 1 35 43117812 PLATE H 1 1 1 1 13 43120172 MULTI BLADE FAN 3 3 4 4 36 43A58004 TRANSFORMER MMS 1 1 1 1 14 43A21005 FAN MOTOR 1 1 1 1 37 43A60025 TERMINAL BLOCK ABC PQ E 1 1 1 1 15 43125131 BEARING 1 1 38 43A60012 TERMINAL BLOCK E L N 1 1 1 1 16 43125142 COUPLING 1 1 39 43A69025 PCB CONTROL CM CO2 1 1 1 1 17 43125143 SHAFT...

Page 167: ...07 43A50023 TEMP SENSOR AMBIENT TA 1 08 43A50019 TEMP SENSOR GAS TC1 1 09 43A50020 TEMP SENSOR LIQUID TC2 1 10 43155100 MF CAPACITOR 1 11 43A58004 TRANSFORMER MMS 1 12 43A60010 TERMINAL ABC PQ E 1 13 43A60012 TERMINAL E L N 1 14 43A69025 PC BOARD CONTROL MMS 1 15 43A69024 PC BOARD POWER MMS 1 16 43A72011 DRAIN PAN 1 17 43A80009 FILTER 1 18 43A49010 PRESSURE SENSOR Service 1 19 43A46037 PULSE MOTOR...

Page 168: ...CONNECTION 1 1 1 21 43A50027 TEMP SENSOR AMBIENT TA 1 1 1 07 43A70009 DRAIN HOSE 1 1 1 22 43A22008 MOTOR BAND LEFT 2 2 2 08 43A60025 TERMINAL ABC PQ E 1 1 1 23 43A22009 MOTOR BAND RIGHT 2 2 2 09 43A60012 TERMINAL E L N 1 1 1 24 43A44082 REFRIGERATIONASSEMBLY 1 10 43A69008 INTERFACE PC BOARD 1 1 1 24 43A44083 REFRIGERATIONASSEMBLY 1 12 43155100 MF CAPACITOR 2 2 2 24 43A44084 REFRIGERATIONASSEMBLY 1...

Page 169: ...9 43A60012 TERMINAL E L N 1 1 05 43A21018 FAN MOTOR 28 W 1 1 20 43A60002 TERMINAL ABC 1 1 06 43A11004 RUBBER INSULATION 3 3 21 43A60011 TERMINAL P Q 1 1 07 43A20001 CENTRIFUGAL FAN 1 1 22 43A55002 MF CAPACITOR 1 08 43A72006 DRAIN PAN ASSEMBLY 1 1 22 43155100 MF CAPACITOR 1 09 43A22003 BELLMOUTH 1 1 23 43097166 WASHER 1 1 10 43A19004 FAN GUARD 1 1 24 43A97002 FAN WASHER 1 1 11 43A58007 TRANSFORMER ...

Page 170: ...1 19 43A60012 TERMINAL E L N 1 1 05 43A21019 FAN MOTOR 36 W 1 1 20 43A60002 TERMINAL ABC 1 1 06 43A11005 RUBBER INSULATION 4 4 21 43A60011 TERMINAL P Q 1 1 07 43A20002 CENTRIFUGAL FAN 1 1 22 43155138 MF CAPACITOR 1 08 43A72007 DRAIN PAN ASSEMBLY 1 1 22 43155120 MF CAPACITOR 1 09 43A22004 BELLMOUTH 1 1 23 43097166 WASHER 1 1 10 43A19005 FAN GUARD 1 1 24 43A97002 FAN WASHER 1 1 11 43A58007 TRANSFORM...

Page 171: ...Description 01 43080392 FILTER 02 43007108 PLATE CONNECT Long 03 43009504 ASM GRILLE OUT 04 43007107 BUSHING 05 43007109 PLATE CONNECT Short 06 43009503 GRILLE L R 07 43007124 SUPPORT PLATE 08 43009499 ASM GRILLE OUT 09 43A26001 ASM MOTOR 10 43007125 SUPPORT PLATE 20 10 8 10 7 2 5 4 7 6 9 1 3 ...

Page 172: ...5 JOINT KIT ALL 05 43407091 CAM ALL 06 43107249 MOTOR KIT ASSEMBLY ALL 07 43409110 LOUVRE Small ALL 09 43A09009 GRILLE AIR INLET ALL 11 43411007 CUSHION AIR OUTLET B ALL 12 43411008 CUSHION AIR OUTLET C ALL 13 43411009 CUSHION AIR OUTLET D ALL 14 43121671 GEARED MOTOR ALL 15 43460532 CORD REMOTE CONTROLLER RBC U264PGR W E 16 43A69012 INFRARED RECEIVER AI RBC U264PGR W E 17 41480545 AIR FILTER ALL ...

Page 173: ...IT ALL 05 43402091 CAM ALL 06 43107249 MOTOR KIT ASSEMBLY ALL 07 43409110 LOUVRE Small ALL 08 43409114 LOUVRE Large ALL 09 43A09010 GRILLE AIR INLET ALL 11 43411006 CUSHION AIR OUTLET A ALL 12 43411007 CUSHION AIR OUTLET B ALL 13 43411009 CUSHION AIR OUTLET D ALL 14 43121671 GEARED MOTOR ALL 15 43460532 CORD REMOTE CONTROLLER RBC U464PGR W E 16 43A69012 INFRARED RECEIVER AI RBC U464PGR W E 17 4148...

Page 174: ......

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Page 176: ...www toshiba aircon co uk MADE IN UK A90 0132 Revised June 2002 ...

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