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CHAPTER 1. SPECIFICATION

[1] SPECIFICATION............................................ 1-1
[2] EXTERNAL 

DIMENSION............................... 1-3

[3] WIRING 

DIAGRM .......................................... 1-4

[4] ELECTRICAL 

PARTS .................................... 1-4

CHAPTER 2. EXPLAMATION OF CIRCUIT AND OP-
ERATION

[1] BLOCK 

DIAGRAMS....................................... 2-1

[2]  MICROCOMPUTER CONTROL SYSTEM

........ 2-3

[3] FUNCTION..................................................... 2-8

CHAPTER 3. FUNCTION AND OPERATION OF PRO-
TECTIVE PROCEDURES

[1] 

PROTECTION DEVICE FUNCTIONS AND 
OPERATIONS................................................ 3-1

[2]  AIR CONDITIONER OPERATION IN 

THERMISTOR ERROR ................................. 3-3

[3] THERMISTOR 

TEMPERATURE 

CHAR-

ACTERISTICS ............................................... 3-5

[4]  HOW TO OPERATE THE OUTDOOR 

UNIT INDEPENDENTLY................................ 3-6

[5] GENERAL 

TROUBLESHOOTING 

CHART

........ 3-6

[6]  MALFUNCTION (PARTS) CHECK METH-

OD .................................................................3-8

[7]  OUTDOOR UNIT CHECK METHOD...........3-10
[8] TROUBLESHOOTING 

GUIDE ....................3-13

REPLACEMENT PARTS LIST

SERVICE MANUAL

AYXP9GHR

CONTENTS

Parts marked with "

" are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the

safety and performance of the set.

This document has been published to be used for
after sales service only.
The contents are subject to change without notice.

TopPage

SPLIT TYPE
ROOM AIR CONDITIONER

OUTDOOR UNIT

AE-X9GHR
AE-X12GHR

MODELS

INDOOR UNIT

AY-XP9GHR
AY-XP12GHR

In the interests of user-safety (Required by safety regulations in some countries)  the set should be
restored to its original condition and only parts identical to those specified should be used.

Содержание AE-X12GHR

Страница 1: ...RTS CHECK METH OD 3 8 7 OUTDOOR UNIT CHECK METHOD 3 10 8 TROUBLESHOOTING GUIDE 3 13 REPLACEMENT PARTS LIST SERVICE MANUAL AYXP9GHR CONTENTS Parts marked with are important for maintaining the safety of the set Be sure to replace these parts with specified ones for maintaining the safety and performance of the set This document has been published to be used for after sales service only The contents...

Страница 2: ...l 5RS092XDF Oil charge 320cc RB68A or Freil Alphc 68M Refrigerant system Evaporator Louver Fin and Grooved tube type Condenser Corrugate Fin and Grooved tube type Control Expansion valve Refrigerant R410A 1000g De lce system Micro computer controled reversed systems Noise level at cooling High dB A 42 46 Low dB A 37 Soft dB A 26 Fan system Drive Direct drive Air flow quantity at cooling High m3 mi...

Страница 3: ...B68A or Freil Alphc 68M Refrigerant system Evaporator Louver Fin and Grooved tube type Condenser Corrugate Fin and Grooved tube type Control Expansion valve Refrigerant R410A 1000g De lce system Micro computer controled reversed systems Noise level at cooling High dB A 43 49 Low dB A 39 Soft dB A 27 Fan system Drive Direct drive Air flow quantity at cooling High m3 min 10 7 30 2 Low m3 min 9 3 Sof...

Страница 4: ...AYXP9GHR 1 3 2 EXTERNAL DIMENSION 1 Indoor unit 2 Outdoor unit 278 198 790 22 0 58 18 5 175 INVERTER AIR CONDITIONER 265 780 540 14 165 540 299 72 58 37 5 12 4 5 324 135 81 136 ...

Страница 5: ... Indoor fan motor capacitor Transformer FUSE1 QFS GA062JBZZ 250V 3 15A FUSE2 QFS GA063JBZZ 250V 2A DESCRIPTION MODEL REMARKS Compressor 5RS092XDF D C brush less motor Outdoor fan motor ML A902 DC Motor Outdoor fan motor capacitor Fu4 QFS GA064JBZZ 250V 1A Fu3 QFS GA051JBZZ 250V 2A Fu2 QFS GA052JBZZ 250V 3 15A Fu1 QFS CA001JBZZ 250V 20A Fu5 6 QFS CA002JBZZ 250V 15A ...

Страница 6: ...to 10 minutes after self diagnosis is performed during operation and the display returns to normal condition after this display period The content of self diagnosis cannot be called out by the self diagnosis display function of the outdoor unit Example of self diagnosis display on outdoor unit Compressor high temperature error c The content of diagnosis is transferred to the indoor unit via serial...

Страница 7: ...ion 4 Temporary stop due to 2 way valve freeze 3 Temporary stop for cycle pro tection Indoor unit in operation Outdoor unit in tempo rary stop 3 times 3 0 Dry operation Temporary stop due to dehumidifying operation 3 Temporary stop for cycle pro tection Indoor outdoor units in complete shutdown 5 times 5 0 Outdoor unit thermistor open circuit Heat exchanger thermistor open cir cuit error 1 Check c...

Страница 8: ...r unit fan motor 3 AC current defi ciency error 1 Check if there is an open circuit in the secondary winding of the current transformer of the outdoor unit control PWB 1 Replace the outdoor unit control PWB assembly 2 Check if the refrigerant volume is abnormally low 2 Charge the specified amount of refrigerant 3 Check if the refrigerant flows properly 3 Correct refrigerant clogs 2 way valve 3 way...

Страница 9: ...er supply 2 No abnormality found in above inspection 1 2 Replace the outdoor unit control PWB assembly Indoor outdoor units in operation 1 PAM clock error 1 Check the PAM clock for proper input 1 Replace the outdoor unit control PWB assembly Indoor unit in operation Outdoor unit in complete shutdown 17 0 Wires between units Serial open circuit 1 Check the wires between units 1 Connect stable power...

Страница 10: ...t control PWB Indoor outdoor units in operation 20 0 Indoor unit con trol PCB EEPROM data error EEPROM read data error Replace the indoor unit control PWB Indoor outdoor units in operation 88 Control and dis play PCB Communication error 1 Check for disconnected connector between control PCB and display PCB and open circuit in lead wires 1 Insert connectors cor rectly or replace con trol PWB 2 Chec...

Страница 11: ...malfunction code is called out 3 Indoor unit relay Malfunction diagnosis display Relays turns Off after about 30 minutes None Displays 18 0 when malfunction code is called out 4 Indoor unit relay Malfunction diagnosis display Turns On momentarily then turns Off 18 1 5 Indoor unit relay Malfunction diagnosis display Turns On momentarily then turns Off 18 1 Indoor unit Outdoor unit 1 N 2 1 N 2 Indoo...

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