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AE-XM30GR

2 – 1

AE-XM30GR

Service Manual

CHAPTER 2.

EXPLANATION OF CIRCUIT AND OPERATION

[1] BLOCK DIAGARM

CPU

Pump down switch circuit

Unit A thermo. circuit

Unit B thermo. circuit

Thermistor unit A

Thermistor unit B

Compressor

CN8A

Suction thermistor
CN8C

Expansion valve A
drive circuit

Expansion valve B
drive circuit

4-way valve relay
drive circuit

4-way
valve

Wire check switch circuit

Position detection circuit

LED drive circuit

Heat exchanger pipe
thermo circuit

Compressor thermo circuit

CPU reset circuit

Serial I/O circuit

Power transistor module
drive circuit

Outdoor fan motor relay
drive circuit

Power supply
circuit

Expersion valve D drive circuit

Expansion valve D

Expansion valve A

Expansion valve B

Expansion valve C

CPU oscillator circuit

AC overcurrent detection
circuit

DC overcurrent detection
circuit / Power transistor
module overheat

LED

Heat exchanger pipe
thermistor

Compressor thermistor

Current transformer

Compressor

Power
transistor module

Outdoor fan
motor

Smoothing
circuit

Active filter
circuit

Filter
circuit

AC power

Unit - unit
wiring
(AC power and
serial signals)

20 A

Fuse

Outdoor temp. thermo.

circuit

Outdoor temperature
thermistor

1 A

Fuse

20 A

Fuse

2 A

Fuse

3.15 A

Fuse

Expansion valve C
drive circuit

DC power
supply circuit

(RE)

(OR)

(N)

(BL)

(WH)

Unit C thermo. circuit

Thermistor unit C

(BR)

Unit D thermo. circuit

Thermistor unit D

(YE)

Suction pipe thermistor

CN8A

Suction pipe thermo circuit

(BK)

DC over voltage
detection circuit

Heat sink thermistor

CN8B

Heat sink thermo circuit

(BK)

Содержание AE-XM30GR

Страница 1: ...MENSION 1 2 3 CAPACITY TABLE 1 2 4 ELECTRICAL PARTS 1 4 5 WIRING DIAGRAMS 1 4 CHAPTER 2 EXPLANATION OF CIRCUIT AND OP ERATION 1 BLOCK DIAGARM 2 1 2 FUNCTIONS 2 2 CHAPTER 3 FUNCTION AND OPERATION OF PRO TECTIVE PROCEDURES 1 PROTECTIVE FUNCTIONS AND OPERA TIONS 3 1 2 TROUBLESHOOTING GUIDE 3 2 CHAPTER 4 REFRIGERATION CYCLE 1 REFRIGERATION SYCLE 4 1 2 REFRIGERANT PIPE INSTALLATION WORKS 4 3 CHAPTER 5 ...

Страница 2: ...porator Silt Fin and Grooved tube type Condenser Corrugate Fin and Grooved tube type Control Expansion valve Name of refrigerant R410A Refrigerant volume 2400g Noise level at cooling dB A High Med Low 7FR 37 34 28 57 9FR 39 36 28 12FR 40 37 29 Fan system Drive Direct drive Air flow quantity at cooling m3 min High Med Low 7FR 8 0 7 4 5 4 52 9FR 8 6 7 9 5 6 12FR 9 8 8 6 8 6 Fan Cross flow fan Propel...

Страница 3: ...utdoor Units Indoor Units AY XPM7 9 12FR GS XPM9 12 18FGR GS XPM7 9 12FR AE XM30FR 18 12 7 18 9 9 18 9 7 18 7 7 12 12 7 7 12 9 9 7 9 9 9 9 12 9 7 7 9 9 9 7 12 7 7 7 9 9 7 7 9 7 7 7 7 7 7 7 320 37 890 361 383 800 590 4 5 150 51 3 16 75 150 52 52 52 52 389 284 210 151 26 940 50 26 ...

Страница 4: ... 2 14 6 1950 700 3200 12 07 OFF OFF 3 3 2 0 OFF OFF 5 3 2 6 6 8 7 9 3 2 12 7 1720 700 2770 09 09 OFF OFF 2 5 2 5 OFF OFF 5 0 2 6 6 3 7 5 3 2 11 9 1630 700 2600 09 07 OFF OFF 2 6 2 0 OFF OFF 4 6 2 6 5 9 6 4 3 2 10 3 1400 700 2250 07 07 OFF OFF 2 0 2 0 OFF OFF 4 0 2 6 5 3 5 5 3 2 8 7 1200 700 1900 1 Room 18 OFF OFF OFF 5 0 OFF OFF 5 0 2 6 5 7 7 3 3 2 11 0 1600 700 2400 12 OFF OFF OFF 3 4 OFF OFF OFF...

Страница 5: ... 6 9 3 3 11 0 1510 730 2400 07 07 OFF OFF 2 4 2 4 OFF OFF 4 8 2 6 6 4 6 2 3 3 9 2 1350 730 2000 1 Room 18 OFF OFF OFF 5 0 OFF OFF 6 2 2 6 7 4 10 1 3 3 13 7 2200 730 3000 12 OFF OFF OFF 3 8 OFF OFF OFF 3 8 1 8 5 2 7 3 2 9 10 1 1600 640 2200 09 OFF OFF OFF 2 9 OFF OFF OFF 2 9 1 8 4 0 5 2 2 9 8 0 1130 640 1750 07 OFF OFF OFF 2 4 OFF OFF OFF 2 4 1 8 3 4 4 0 2 9 6 2 870 640 1350 Compressor DA220A2F 20L...

Страница 6: ...N from THERMISTOR from DC FAN MOTOR COMP TENP HEAT EXCHANGER TEMP OUT DOOR TEMP SUCTION TEMP to IPM PWB CN102 from IPM PWB CN114 from IPM PWB U V W from EXPANSION VALVE D from EXPANSION VALVE C to IPM PWB CN101 to ACTIVE FILTER MODULE from EXPANSION VALVE B from EXPANSION VALVE A from TERMINAL BOARD N and 2 from TERMINAL BOARD N from TERMINAL BOARD 1 ...

Страница 7: ...P W B from CONTROL PWB BCN1 from CONTROL PWB BCN2 from CONTROL PWB CN14 from ELECTROLTIC CAPACITOR C10 from ELECTROLTIC CAPACITOR C10 from COMPRESSOR CORD W ORANGE V WHITE U RED from COMPRESSOR CORD from COMPRESSOR CORD ...

Страница 8: ...14 15 16 17 18 19 20 21 222 23 24 AVR AVSS AVCC P67 P66 P65 P64 P63 P62 P61 P60 P51 P50 P47 P46 P45 P44 P43 RST P42 P41 VSS X0 X1 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 MD0 MD1 MD2 P40 P37 P36 P35 P34 P33 P32 P31 P30 P27 P26 P25 P24 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 P70 P71 P72 P73 P74 P75 P76 P77 P80 P81 P82 P83 P84 P85 P86 P87 U X V Y W Z W V U B W Y O W O Y CN12C 1 4W 10K...

Страница 9: ...ive circuit Expansion valve D Expansion valve A Expansion valve B Expansion valve C CPU oscillator circuit AC overcurrent detection circuit DC overcurrent detection circuit Power transistor module overheat LED Heat exchanger pipe thermistor Compressor thermistor Current transformer Compressor Power transistor module Outdoor fan motor Smoothing circuit Active filter circuit Filter circuit AC power ...

Страница 10: ...sor has been stopped another starting try will be made Three retries are allowed On the fourth retry a com plete stop request signal is sent to the indoor unit and the outdoor unit will remain stopped until the indoor operation is stopped DC over cur rent is detected by the power module AC over current is detected by CT1 on the outdoor PWB 3 COMPRESSOR PROTECTION CONTROL If the temperature of the ...

Страница 11: ... of operation depending on the cycle conditions As a result the indoor exchanger may be heated up even if it is not activated This is not abnormal When the operations in all rooms are stopped the compressor is off and the expansion valves in all rooms are fully opened 11 DEFROST OPERATION 1 Overview Defrosting begins during heating if the conditions for compressor operation time and outdoor heat e...

Страница 12: ...s activated turns ON andthe compres sorstarts Operation OFF 1 time Yes Yes 7 Thermistor open Compressor is stopped if compressor or heat exchanger or outdoor thermistor opens Close the expansion valve of the corre sponding room if some suction thermistor shorts opens When the room turns ON and the compressor starts Operation OFF 1 time Yes Yes 8 AC abnormal cur rent Compressor is stopped if the op...

Страница 13: ...ses high temperature Stops the compressor if the tem perature srays high for 2 minuteS at minumum fre quency During compres sor operation Automatically restarts after safety time 180 sec No limit No No NO Function Operation Description Detection time Restart condition The self diagnosis display function of the outdoor unit indicates the error information by flashing LED1 on the outdoor unit accord...

Страница 14: ...B for open circuit 4 No abnormality found in above inspections 1 through 3 1 Correct the installation 2 Replace the outdoor unit thermistor assembly 3 Replace the outdoor unit thermistor assembly 4 Replace the outdoor unit control PCB assembly Indoor outdoor units in complete shutdown 6 time Outdoor unit DC Current DC overcurrent error 1 IPM continuity check 2 Check the IPM and heat sink for secur...

Страница 15: ...it in complete shutdown Wires between units Serial open circuit 1 Check the wires between units 2 Check voltage between N and 1 the indoor outdoor unit terminal boards 1 Connect stable power supply 2 Replace the outdoor unit control PCB assembly 1 Check the wires between units 2 Check the outdoor unit fuse 3 Check 15 V 13 V and 5 V voltages on the PCB Check resistance between IPM terminals 4 Check...

Страница 16: ...N6 5 6 Tester CN6 1 6 Signal TH1 TH2 TH3 Figure 1 Temperature properties of indoor thermistors k To measure the resistance first remove the soldering as shown at right Room temperature thermistor TH1 Yellow 25ºC resistance 10 k Heat exchange thermistor TH2 Orange TH3 Black 25ºC resistance 4 431 k 500k 400k 300k 200k 100k 0 20 0 20 60 80 100 120 3 06k 5 78k 2 28k 1 72k 40k 30k 20k 10k 0 20 0 20 60 ...

Страница 17: ...e first remove the connector as shown at right Signal CN8B Heatsink thermistor TH5 black 25ºC resistance 50k Tester 1 3 Figure 3 Temperature properties of heatsink thermistor Yes Yes Yes No No No Are the timer lamps of the in door units in all rooms flashing Is the compressor of the outdoor unit operating Are the timer lamps of the indoor units in all rooms flashing Check the failure symptom with ...

Страница 18: ...d off Is CN6 connected The cycle is abnormal The compressor is abnormal P U N U P V N V P W N W A Is the resistance value of the ther mistor for the com pressor TH1 heat ex changer TH2 or outdoor temper ature TH3 or suc tion TH4 TH6 9 correct Is each of the resist ance values among the terminals of the IPM PWB 0 P U N U P V N V P W N W Is each of the resistance values among the termi nals of the I...

Страница 19: ... the indoor unit is AC 230V Repair the wiring between the units Replace the indoor control PWB Replace the thermistor Check the failure symptom with the failure diagnosis mode Replace the outdoor control PWB or the expansion valve UNIT A or the expansion valve UNIT B or the expansion valve UNIT C or the expansion valve UNIT D Is the resistance value of the winding in the fan motor Between 1 and 3 ...

Страница 20: ...een the connector CN4 1 and 3 of the 4 way valve Replace the 4 way valve Pressure check The heating cycle is normal Refer to 1 All rooms are not cooled Press the ON switch on the remote control to run the air conditioner Set the temperature to 32 in the heating mode and start operation Is the outdoor compressor running Yes Yes To 1 2 AE XM30FR No No Yes Yes No No A ...

Страница 21: ...at exchanger Heat exchanger UNIT C UNIT B UNIT A Expansion valve D STOP valve Liquid Compressor 4 way valve Accumulator STOP valve Gas Expansion valve C Expansion valve B Expansion valve A 1 4 2 3 3 3 3 Heat exchanger Heat exchanger Heat exchanger Heat exchanger UNIT C UNIT B UNIT A Expansion valve D STOP valve Liquid Compressor 4 way valve Accumulator STOP valve Gas Expansion valve C Expansion va...

Страница 22: ...38Hz AY XPM12FR 1 unit 1 83 76 82 62 2 36 35 13 6 3 10 13 43 7 4 11 19 4 7 stop valve pressure Frequency 0 86MPa abs 1 07MPa abs 3 15MPa abs 2 37MPa abs Frequency 41Hz 23Hz 50Hz 25Hz AY XPM9FR 1 unit 1 78 69 83 58 2 36 35 12 6 3 9 11 36 24 4 13 19 5 7 stop valve pressure Frequency 0 94MPa abs 1 11 MPa abs 3 20MPa abs 2 21MPa abs Frequency 31Hz 30Hz 45Hz 20Hz AY XPM7FR 1 unit 1 74 69 75 59 2 35 35 ...

Страница 23: ...be connected to the ser vice port has a valve core pusher 4 Open the gauge manifold valve and operate the vacuum pump for 10 15 minutes Make sure the compound gauge reads 0 1MPa 76cmHg 5 Close the gauge manifold valve 6 Turn off the vacuum pump 7 Fully open the stop valve liquid side with hexagon socket screw key Turn all the way up to contact 44 42 40 38 36 34 32 30 28 26 24 7 0 7 5 8 0 8 5 9 0 1...

Страница 24: ...ng and perform the air remov ing of the pipes Turn the electrical circuit breaker ON Before turn ing the circuit breaker ON make sure no one is working on the indoor units installation Electrical shock or injury may occur 2 Check that all LED LED1 2 3 4 on the display board unit are flashing synchronously in a slow one flash per second cycle If either one or more of all LED is are kept lighted on ...

Страница 25: ...move the 5 screws fixing the front panel R and slide the front panel R down 2 Remove the 10 screws fixing the top cover 3 Remove the 6 screws fixing the front panel L 4 Remove the 6 screws fixing the rear guard 5 Remove the 11 screws fixing the side cover R 6 Remove the 6 screws fixing the side cabinet L ...

Страница 26: ...s Disconnect the 7 connectors Fan motor Reverse valve Thermistor Expansion valve 10 Disconnect the 2 terminals 11 Remove the compressor cover 12 Remove the terminal cover and disconnect 3 terminals NOTE Caution to the connectors position when reinstalling 13 Remove the 5 screws fixing the control box assembly 14 Cut the 2 insulator Screws Cut Cut 3 points Compressor cover White C Red S Orange R Th...

Страница 27: ... 3 15 Remove the 3 screws fixing the bulkhead 16 Remove the 3 screws fixing the active coil 17 Remove the 1 nut fixing the propeller fan 18 remove the 2 screws fixing the motor angle 19 Cut the fixing bands Loos e ...

Страница 28: ...AE XM30GR 5 4 20 Remove the 4 screws fixing the fan motor 2 Position of the thermistors NOTE Caution to the position when reinstalling Green Orange Black Yellow Brown White Blue ...

Страница 29: ... 5 5 3 How to disassemble the control box assembly 1 Remove the 4 screws fixing the PWB 2 Unlock the spacer s lock The position of setting Ferrite core FC1 FC12 FC10 FC11 FC12 FC7 FC5 FC2 FC6 FC3 FC8 FC1 FC4 FC9 ...

Страница 30: ...Thermistor Check the cord color of thermistor before mounting Thermistor Suction UNIT A UNIT B UNIT C and UNIT D are mounted on GAS side pipes Thermistor Heat exchanger is mounted on LIQUID side pipe Expansion valve Check the labels before connecting to the Control Board Unit CAUTION Mismounting and misconnecting will cause error or failure ...

Страница 31: ...MULITI SPLIT TYPE ROOM AIR CONDITIONERS MODEL OUTDOOR UNIT AE XM30GR PartsGuide 1 OUTDOOR UNIT PARTS 1 2 OUTDOOR UNIT PARTS 2 3 OTHER OUTDOOR UNIT 4 PACKING PARTS INDEX CONTENTS HOW TO ORDER REPLACEMENT PARTS To have your order filled promptly and correctly please furnish the following information 1 MODEL NUMBER 2 REF NO 3 PART NO 4 DESCRIPTION ...

Страница 32: ... 17 1 11 2 36 1 60 1 36 1 63 1 52 1 62 1 46 1 65 1 61 3 15 2 21 1 70 1 62 2 41 1 59 1 58 4 13 4 14 2 37 2 40 1 48 1 50 2 20 2 20 2 55 2 49 2 48 2 39 2 31 1 69 2 46 1 71 2 14 2 15 2 57 2 47 2 22 2 10 2 52 2 53 2 62 2 61 2 13 2 12 2 56 2 28 2 24 2 25 2 19 2 23 2 26 2 38 1 66 1 76 1 66 1 12 1 61 4 11 4 12 1 45 4 10 4 10 1 44 4 3 2 9 4 3 4 3 4 3 4 3 ...

Страница 33: ...E Front panel L 2 13 GGADFA028JBTA AZ Fan guard 2 14 CCHS A856JBKZ BK Base pan sub ass y 2 15 GLEGMA043JBTB AX Base stand 2 17 GPLTMA062JBTB AX Side cabinet L 2 19 GPLTMA066JBTB BC Side cabinet R 2 20 PSEL C641JBEZ AD Side cover R seal 2 21 PSEL C597JBEZ AC Bulkead insulator 2 22 PSKR A329JBWZ BC Bulkead 2 23 GCAB A248JBTB BB Top cover 2 24 PSEL C598JBEZ AK Top cover seal A 2 25 PSEL C640JBEZ AG T...

Страница 34: ...67 1 79 1 69 2 33 3 21 1 78 3 18 2 68 2 69 3 12 4 6 3 7 3 9 3 8 2 66 2 30 2 63 3 30 3 28 3 28 3 36 3 29 3 31 3 32 3 33 3 34 2 64 2 16 3 5 3 5 2 3 2 4 5 1 73 3 1 1 3 24 6 10 6 7 6 8 6 9 6 5 6 1 6 2 6 3 6 6 3 32 3 32 3 39 3 38 3 34 3 34 3 37 3 30 3 30 2 30 2 29 2 30 3 1 2 3 1 1 3 17 3 1 1 3 17 3 5 1 ...

Страница 35: ...on unit 3s 3 30 DVLV A705JBKZ AZ Flare union unit 2s 3 31 LX NZA250JBEZ AE Fiare nut 3 32 LX NZA251JBEZ AG Fiare nut 3 33 PCAP A083JBEZ AC Nut bonnet 3 34 PCAP A084JBEZ AC Nut bonnet 3 35 PTUB A196JBEZ AK Pipe insulator 3 36 DVLV A794JBKZ BM Flare union unit 4s 3 37 DVLV A796JBKZ BM Flare union unit 2s 3 38 PCAP A103JBEZ AF Nut bonnet 3 39 LX NZA280JBEZ AG Flare nut 4 4 5 LX BZA355JBEZ AE Special ...

Страница 36: ...pacer 1 55 QW VZE605JBZZ AK Lead wire DC VOLTAGE 1 56 QW VZF210JBZZ AK Lead wire C10 TP 1 57 QW VZF211JBZZ AK Lead wire C10 TN 1 64 PSHE A218JBEZ AP Protect sheet 1 67 QW VZD806JBZZ AD Lead wire 1 68 QW VZE603JBZZ AP Lead wire C9 C10 1 72 QW VZF172JBZZ AK Lead wire T4 BOX 1 74 RTRN A256JBEO AG Transformer CT1 1 75 VHIMR2920 1S AU Integrated circuit IC4 1 81 QW VZF208JBZZ AK Lead wire 1 82 QW VZF20...

Страница 37: ...79 AB MSPR A036JBEO 3 2 34 AB MSPR A046JBEO 2 2 35 AC MSPR A129JBEO 2 2 69 AD N NFANPA108JBFA 1 2 36 BA P PACU A043JBEZ 2 3 10 BW PCAP A083JBEZ 2 3 33 AC PCAP A084JBEZ 2 3 34 AC PCAP A103JBEZ 2 3 38 AF PCMPRA407JBEZ 2 3 13 CT PCON A553JBPZ 1 3 15 CC PCOV A014JBEO 2 3 14 AG PCOV A940JBWZ 1 2 37 AP PDAI A114JBTB 2 2 16 BB PGUM 0035JBEO 2 3 24 AG PGUM 0036JBEO 2 3 25 AG PGUM A119JBEZ 2 2 67 AG PGUM A...

Страница 38: ... 2 AF RRLYDA008JBZZ 3 1 29 AH RRLYDA012JBZZ 3 1 30 AR RTHM A022JBEO 2 1 73 AN RTRN A256JBEO 3 1 74 AG RTRN A297JBZZ 1 1 71 BK S SPAKCC226JBEZ 4 5 3 BD T TINS B048JBRZ 2 6 1 AH TINS B049JBRZ 2 6 2 AH TINS B050JBRZ 2 6 3 AH TLAB B709JBRA 2 2 64 AH TLABBA146JBRA 1 2 52 AN TLAB C770JBRA 2 2 63 AR TLAB C771JBRZ 1 2 61 AR TLAB C773JBRZ 1 2 62 AN TLAB C831JBRZ 3 1 90 AN TLAB C832JBRZ 3 1 86 AN TLABCC298J...

Страница 39: ......

Страница 40: ...ALL RIGHTS RESERVED No part of this publication may be reproduced stored in retrieval systems or transmitted in any form or by any means electronic mechanical photocopying re cording or other wise without prior written permission of the publisher ...

Страница 41: ...resentative model s Please confirm each service manual in case of other models RMOTSA017JBZZ AE X24GR RMOTSA024JBZZ AE XM30GR RMOTSA031JBZZ AE X2M18KR Note These changed parts are used in Mar 2010 by running change Interchange ability Serial number Japan Taiwan Australia From Mar 2010 Product Running Change Old No New No DESCRIPTION Destinations Model name RMOTSA040JBZZ RMOTSA041JBZZ RMOTSA038JBZZ...

Страница 42: ...ility Jun 06 Technical Report Air conditioner AE XM30GR etc Change of Active filter Date 24 Mar 2009 Ref No EHH 276 OLD D OLD C NEW OLD B NEW OLD A NEW NEW y Parts Old Q ty New Q ty P code Active filter RH TXA006JBZZ 1 RH TXA008JBZZ 1 BR Note Part code Description Effective from Jun 06 Health Environment Systems Gr CS Promotion C SHARP CORPORATION ...

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