IVT AE-X12JR-N Service Manual Download Page 1

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SERVICE MANUAL

AYXP12JHRN

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

CHAPTER 1. SPECIFICATION

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

DIMENSION............................... 1-2

[3] WIRING

DIAGRAM ........................................ 1-3

[4] ELECTRICAL

PARTS .................................... 1-3

CHAPTER 2. EXPLAMATION OF CIRCUIT AND OP-
ERATION

[1] BLOCK

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

[2] MICROCOMPUTER CONTROL SYSTEM

........ 2-3

[3] FUNCTION..................................................... 2-9

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

[6] MALFUNCTION (PARTS) CHECK METH-

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

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

GUIDE ....................3-13

CHAPTER 4. REFRIGERATION CYCLE

[1] FLOW

FOW

REFRIGERANT ........................4-1

[2] STANDARD

CONDITION ..............................4-1

[3] TEMPERATURE AT EACH PART AND

PRESSURE IN 3-WAY VALVE ......................4-1

[4] PERFORMANCE

CURVES...........................4-2

CHAPTER 5. DISASSEMBLING PROCEDURE

[1] DISASSEMBLY OF INDOOR UNIT...............5-1
[2] DISASSEMBLY

OUTDOOR UNIT.........5-10

Parts Guide

TopPage

CONTENTS

SPLIT TYPE

ROOM AIR CONDITIONERS

OUTDOOR UNIT

AE-X12JR-N

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.

INDOOR UNIT

AY-XP12JHR-N

MODELS

Summary of Contents for AE-X12JR-N

Page 1: ...ISTICS 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 CHAPTER 4 REFRIGERATION CYCLE 1 FLOW FOW REFRIGERANT 4 1 2 STANDARD CONDITION 4 1 3 TEMPERATURE AT EACH PART AND PRESSURE IN 3 WAY VALVE 4 1 4 PERFORMANCE CURVES 4 2 CHAPTER 5 DISASSEMBLING PROCEDURE 1...

Page 2: ...ally sealed rotary type Model DA111A1F22F Oil charge 450cc Ester oil VG74 Refrigerant system Evaporator Louver Fin and Grooved tube type Condenser Corrugate Fin and Grooved tube type Control Expansion valve Refrigerant R410A 1140g De lce system Micro computer controled reversed systems Noise level at cooling heating High dB A 40 47 Low dB A Soft dB A 27 Fan system Drive Direct drive Air flow quant...

Page 3: ...AYXP12JHRN 1 2 2 EXTERNAL DIMENSION 1 Indoor unit 2 Outdoor unit 㧔Unit㧦㨙㨙㧕 798 260 290 22 0 58 18 5 175 INVERTER AIR CONDITIONER 265 780 540 14 167 5 165 540 299 72 58 37 5 12 4 5 324 135 81 136 ...

Page 4: ...MLB395 DC Motor Indoor fan motor capacitor Transformer FUSE1 QFS GA078JBZZ 250V 3 15A DESCRIPTION MODEL REMARKS Compressor DA111A1F22F D C brush less motor Outdoor fan motor MLB078 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 ...

Page 5: ...n circuit Cluster generator drive circuit Indoor fan motor Fan motor pulse detect Wireless remote control operation Audible operation confirmation Room temp thermistor Heat exchanger pipe thermistor Louvre angle fan speed Wireless preheat Model select Indoor outdoor control signal I O Test run forced operation Auxiliary mode button ON OFF Self diagnostics fault diagnosis Cluster generator Unit uni...

Page 6: ... CPU reset circuit Position detection circuit AC overcurrent detection circuit Compressor thermo circuit Heat exchanger pipe thermo circuit Outdoor temp thermo circuit LED drive circuit Test mode circuit Power factor converter circuit Filter circuit Smoothing circuit Pulse amplitube modulation circuit EEPROM AC clock circuit DC overcurrent detection circuit IGBT Unit unit wiring AC power and seria...

Page 7: ...04AF 10KF 2W 11K JP2 NC NC CN1 2 1 6 4 4 5 1 1 OSC1 8MHz 5V 10K 9 50V 50V 10V P110 P50 AVR1 AVR0 P111 P51 P52 P53 P54 P55 P56 P57 P17 P16 P15 P14 P13 P12 P11 P10 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 100 P120 P47 P46 P45 P44 P43 P42 P41 P40 REST P124 P123 FLMD X2 X1 REGC VSS VSS0 VDD VDD0 25V 25V 25V 25V 25V 50V 50V NC ...

Page 8: ...a1 R304 R305 R306 R307 R308 R309 R310 1W 620 1 2 3 4 5 6 7 8 9 10 g2 f2 e2 d2 c2 b2 a2 8 11 5 6 7 9 10 BCN301 1W 220 1W 220 1W 620 1W 220 1W 220 0 1uF 47uF 16V C301 C302 1 4W R302 R303 LED310 7 5Kx2 C402 C401 25V 16V 25V 0 1uF 47uF SW401 SAFETY SW CN18 R301 IC301 CN17 47 BCN302 PC 7 3 8 2 9 1 10 6 12 8 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 8 6 1 2 3 11 7 7 2 3 4 1 2 3 4 1 47 IC401 R401 BCN401 ...

Page 9: ... For JHR N model main PWB For JHR N model sensor PWB From cluster unit From fan motor From horizontal louver motor From pipe thermistor relay connector From sensor PWB To main PWB To vertical louver motor left To vertical louver motor right ...

Page 10: ...model display PWB To main PWB To main PWB To main PWB To main PWB From hang motor left From panel motor left From panel SW left From panel SW right From panel motor right From hang motor right From display PWB black From display PWB yellow To connection PWB ...

Page 11: ...㧝㧯㧠㧥㧜㧚㧝Ǵ 㧜㧚㧝Ǵ 㧜㧚㧝Ǵ 㧜㧚㧝Ǵ 㧝㧜㧜Ǵ 㧝㧜㨂㧯㧠㧣㧜㨂㧯㧠㧢㧝㧜㧜㧜㧼㧡㨂㧾㧠㧡㧝㧜㧷㧾㧠㧢㧯㧠㧤㧜㧚㧝Ǵ 㧝㧷㧯㧠㧡㧜㨂㧰㧝㧝㧟㧟㧜Ǵ 㧝㧡㨂㧡㧝㧛㧠㨃㧟㧟㧞㧟㧟㧞㧝㧛㧠㨃㧝㧠㧝㧢㧝㧞㧝㧝㧝㧜㧝㧟㧝㧣㧣㧞㧝㧠㧢㧞㧞㧟㧤㧞㧟㧞㨂㧼㧯㧵㧼㧹㧞㧡㨂㧯㧟㧣㧝㧜㧜Ǵ 㧞㧡㨂㧞㧡㨂㧯㧡㧠㧝㧜㧜Ǵ 㧞㧡㨂㧰㧥㧰㧝㧜㧝㧜㧜Ǵ 㧯㧡㧞㧰㧤㧯㧡㧜㨂㨃㧲㧮㨂㨁㧲㧿㨂㨁㧲㧮㨃㧺㨂㧺㨁㧺㨃㧼㨂㨃㧲㧿㨂㧼㧵㨂㧼㨂㨂㧲㧿㨂㨂㧲㧮㨁㧼㨂㧺㧯㧲㧜㨂㧺㧵㧯㧠㧟㧯㧠㧠㨆㧰㧠㨁㨄㨂㨅㨆㧜㧚㧜㧝Ǵ 㨃㧜㧚㧝Ǵ 㧯㧝㧞㧠㧵㧯㧡㧞㧝㧟㧜㨂㧙㧼㧾㧞㧠㧞㧞㧷㧾㧞㧝㧜㨂㧡㨂㧵㧯㧠㧝㨃㧾㧞㧣㧵㧯㧟㧜㧚㧝Ǵ 㧯㧤㧡㧝㧤㨂㧙㧼㧢㧤㧣㧤㧜...

Page 12: ...rom Compressor C White From Compressor S Red To Reactor Gray From Fan Motor To Reactor Gray From 4 Way Valve From Expansion Valve From Thermistor To Terminal Board 1 Brown To Terminal Board N Blue To Control Box Green Yellow To Terminal Board 2 Red From Terminal Board ...

Page 13: ... seconds at minimum operating fre quency the compressor stops operating and then restarts after about 180 seconds and the abovementioned control is repeated 1 6 Outdoor unit overheat prevention control During cooling operation if the temperature of the outdoor unit heat exchanger exceeds the outdoor unit heat exchanger overheat preven tion temperature about 55 C the operating frequency is decrease...

Page 14: ...oling or heating mode which is determined automatically by the room temper ature sensor When a circuit breaker is used to control the ON OFF operation please insert a jumper as described above 1 15 Self diagnostic malfunction code display 1 15 1 Indoor unit 1 When a malfunction is confirmed a flashing malfunction code num ber is displayed to indicate the type of malfunction When the air conditione...

Page 15: ... manually Manual adjustment of the open panel and the louvres can cause the unit to malfunction 1 TIPS ABOUT AIR FLOW DIRECTION AUTO COOL mode The open panel will be set obliquely downward for 10 minutes and then shift to obliquely upward to deliver cool air to the ceiling HEAT mode The open panel will be set obliquely backward when outlet air tempera ture is low and then shift to obliquely downwa...

Page 16: ...ing the remote control 1 22 Hot keep If the room temperature is in the Hot keep zone during heating the compressor is turned off to prevent overheating 1 23 Winter cool Cooling operation is available during the winter season by the built in winter cool function Lower limit of outdoor temperature range is 10 C DB When the outside air temperature is low the outdoor unit fan operates at slower speed ...

Page 17: ...ges the energy electromotive force generated by the reactor to the electrolytic capacitor for the inverter by turning ON and OFF When the IGBT is ON an electric current flows to the IGBT via the reactor L5 and diode bridge DB2 When the IGBT turns OFF the energy stored while the IGBT was ON is charged to the voltage doubler capacitor via the diode bridge DB1 As such by varying the ON OFF duty of th...

Page 18: ...the diagram above 3 2 3 IGBT ON start time delay time B Based on the zero cross of the AC voltage the IGBT turns ON after a delay time set according to the power source frequency 3 2 4 IGBT ON time C After the above delay time the IGBT turns ON to supply a current to the reactor The ON time of the IGBT determines the amount of energy level of DC voltage rise supplied to the reactor DC voltage leve...

Page 19: ...n the error code is called out by the indoor unit s self diagnosis function The LED on the outdoor unit flashes 14 times when an error is generated The LED continues flashing in the 14 time cycle even after the compressor stops operating The LED turns off data is deleted from the memory when the outdoor unit power is turned off In case of error 2 An error signal is sent to the indoor unit as soon ...

Page 20: ...it board PCB 4 1 1 Brief explanation of bootstrap system single power drive system To supply power to the upper phase IC the microcomputer IC1 turns ON the lower phase IGBT LU LV LW This results in a charging current that flows to the electrolytic capacitor of each upper phase IC input and charges the bootstrap capacitor with a 15 V current The power supply for the subsequent stages is charged whi...

Page 21: ...utput of more then 20μs is generated from IPM Fo pin 14 and this results in an L input to overcurrent detection input pin 34 of the microcomputer IC1 and turns OFF the PWM signal output IC1 pins 51 through 56 to the IGBT gate SET RESET About 25 A SC SC reference voltage Delay by CR time constant circuit More than 20ǴU a1 Protection circuit status Output current Ic A Sense voltage relative to shunt...

Page 22: ...ing sensor less operation at low rotation speed in the ini tial stage of operation This reduces the starting current and improves the IPM reliability 6 180 Energizing Control This is the control system to moderate the speed by the current phase difference for higher efficiency and lower noise of the compressor The current phase difference control is the control system paid attention to the interre...

Page 23: ...eds overheat tem perature during heating operation Compressor stops if indoor unit heat exchanger temperature exceeds overheat temperature for 60 seconds at minimum fre quency Overheat temperature setting value indoor unit heat exchanger thermistor temperature about 45 to 54 C When in heating operation Automatic reset after safety period 180 sec None Yes Yes 5 Outdoor unit heat exchanger over heat...

Page 24: ...istor TH3 At compressor star tup Operation OFF or ON Yes 1 Yes Yes 17 Outdoor unit suction thermistor short cir cuit error Compressor stops if there is short circuit in outdoor unit suc tion thermistor TH4 At compressor star tup Operation OFF or ON Yes 1 Yes Yes 18 Outdoor unit 2 way valve thermistor short circuit error Compressor stops if there is short circuit in outdoor unit 2 way valve thermis...

Page 25: ...t Room tempera ture thermistor TH1 Auto Operation mode judgment Cooling mode is activated even if room tempera ture is low Cooling mode is activated in most cases Heating mode is activated even if room tempera ture is high Heating mode is always activated Cooling Frequency control Room becomes too cold Air conditioner operates in full power even when set temperature is reached Room does not become...

Page 26: ...uit error indication Cooling Dehumidifying Operation not affected Normal operation Outdoor unit ther mistor short cir cuit error indication Normal operation Outdoor unit ther mistor open cir cuit error indication Heating Rating control Defrosting Defrosting opera tion is activated unnecessarily Outdoor unit ther mistor short cir cuit error indication Defrosting opera tion is not acti vated and fro...

Page 27: ...431 k TH1 Tester CN11 1 2 TH2 TH2 TH5 500K 400K 300K 200K 100K 0 20 0 20 60 80 100 120 Tester 1 10 Connector CN8 Resistance at 25 52 76 k 5 8K 40K 30K 20K 0 10K 20 0 20 60 40 3 06K 4 17K 1 72K 2 28K Tester In case of TH2 heat exchanger thermistor 1 10 Connector CN8 Thermistor Compressor thermistor Heat exchanger thermistor Outdoor air temperature thermistor Suction thermistor 2 way valve thermisto...

Page 28: ... mode Check operation mode Fan speed should change except during dehumidifying operation ventilation light dehumidifying operation internally normal oper ation Explain to user Main cause Inspection method Normal value condition Remedy Batteries at end of service life Measure battery voltage 2 5 V or higher two batteries in series connection Install new batteries Batteries installed incorrectly Che...

Page 29: ...ed by noise Move TV radio away from outdoor unit Other than above Check for radio wave interfer ence Main cause Inspection method Normal value condition Remedy Malfunction caused by noise Check for radio wave interfer ence Main cause Inspection method Normal value condition Remedy Erroneous inter unit connection Check wiring between indoor and outdoor units Terminal board 1 N 220 240 VAC 50 Hz Ter...

Page 30: ...cord to AC outlet Normal Using remote control operate air conditioner so that compressor starts Check 220 240 VAC between 1 and N on outdoor unit PCB Is LED1 on outdoor unit flashing Compressor starts up Does LED1 indicate DC overcurrent error Does LED1 indicate rotation error Replace compressor Does LED1 remain lit Serial signal error Check inter unit wiring Check indoor and outdoor unit PWBs Rep...

Page 31: ...hen polarities are reversed When measurement is taken with the polarities reversed the tester needle exceeds the scale range Therefore let the capacitor discharge before measurement Measure resistance in expansion valve coil Normal resistance between red terminal of expansion valve lead wire and each terminal about 46 at 20 Insert checker shown at left into connector CN12 on control PWB and operat...

Page 32: ...e type tester Normal resistance value P N several MΩ U V W Needle type tester Normal resistance value U N several MΩ V W No Item Check method Normal value condition Remedy 1 Preparation Disconnect compressor cords white orange red 3 wires from compres sor terminals and connect simulated load lamp used as load Operate air conditioner in cooling or heating test operation mode 2 Inverter DC power sup...

Page 33: ...ssor should operate nor mally 320 VDC or higher Replace control PWB Replace outdoor unit thermistor Replace compressor in case of compressor lock No Item Check method Normal value condition Remedy Does LED light NO YES NO Does LED flash Normal NO YES YES NO YES NO YES Check 320VDC between IPM pins 20 and 24 Short circuit in DC fan motor Short circuit in IPM Short circuit in diode bridge Blown fuse...

Page 34: ...o the tester to cause damage If the sheaths of the thermistor lead wires or expansion valve lead wires inside the outdoor unit become damaged due to pinching by the front panel or other metal parts or contacting a pipe a high voltage can flow and destroy the circuits To prevent these problems carefully conduct assembly work Terminal board Ground 0 V line Point F Point E Reactor IPM Compressor moto...

Page 35: ... 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 seria...

Page 36: ... tection 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 Ch...

Page 37: ...oor 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 w...

Page 38: ...essor startup error 1 Check the colors red white orange of the com pressor cords for proper connection PWB side compressor side 1 Correct the installa tion U Red V White W Orange 1 Compressor rota tion error 120 energizing error 2 Check if the IPM terminal resistance values are uni form 2 Replace the outdoor unit control PWB assembly 3 No abnormality found in above inspections 1 and 2 3 Replace th...

Page 39: ... indoor fan motor for proper rotating operation Check fan lock 1 Replace the indoor fan motor 2 Check the lead wire of the indoor fan motor for open circuit 2 Replace the indoor fan motor 3 Check CN1 of the indoor unit fan motor for secure installation 3 Correct the installa tion of CN1 of the indoor fan motor 4 No abnormality found in above inspections 1 through 3 4 Replace the indoor unit contro...

Page 40: ...lay None Displays 18 0 when malfunction code is called out 3 Malfunction diagnosis display None Displays 18 0 when malfunction code is called out 4 Malfunction diagnosis display 18 1 5 Malfunction diagnosis display 18 1 Indoor unit Outdoor unit 1 N 2 1 N 2 Indoor unit Outdoor unit 1 N 2 1 N 2 Indoor unit Outdoor unit 1 N 2 1 N 2 Indoor unit Outdoor unit 1 N 2 1 N 2 Indoor unit Outdoor unit 1 N 2 1...

Page 41: ...b Temp C Relative Humidity Dry bulb Temp C Relative Humidity Cooling 27 47 35 40 Heating 20 7 87 Model AY XP12JHR N NO Condition Cooling Heating Temp on C 67 56 Temp on C 37 3 Temp on C 14 22 Temp on C 17 5 3 way valve pressure MPaG 1 00 2 09 s 1 4 C 2 Accumulator 3 Strainer Expansion valve Heating Cooling Outdoor unit Condenser Evaporator Indoor unit Reverse valve Comp ressor Flare coupling Flare...

Page 42: ...ng 20 C 4 Power source 230V 50Hz 1 AY XP12JHR N 1 1 At Cooling 1 2 At Heating 700 800 900 1000 1100 20 25 30 35 40 45 Outside air temp C Input W Outside air temp 䋨㷄䋩 Cooling capacity kW 㪊㪅㪉㪊㪅㪋㪊㪅㪍㪊㪅㪏㪋㪅㪇㪉㪇㪉㪌㪊㪇㪊㪌㪋㪇㪋㪌 Outside air temp 㷄 Input 䌗㪏㪇㪇㪐㪇㪇㪈㪇㪇㪇㪈㪈㪇㪇㪈㪉㪇㪇㪄㪈㪇㪄㪌㪇㪌㪈㪇㪈㪌 Outside air temp 䋨㷄䋩 Heating capacity kW 㪊㪅㪇㪊㪅㪌㪋㪅㪇㪋㪅㪌㪌㪅㪇㪄㪈㪇㪄㪌㪇㪌㪈㪇㪈㪌 ...

Page 43: ...ady to hand Welding and brazing shall be carried out by qualified workmen 1 DISASSEMBLY OF INDOOR UNIT Be sure to disconnect the power cord from the AC power outlet before starting the disassembly procedure When reassembling the unit after repair ing be sure to install screws to their original positions The screws used are not the same in specifications such as corrosion resistant treatment tip sh...

Page 44: ... front panel on are removed 10 Front panel is pulled to front this side and removed 11 The tapes that is the fixation of the lead wire is peeled off 12 The panel base is drawn out forward both sides 13 The gear is turned and the panel base is removed For a minus screw driver etc 14 The pin that is the fixation of the panel base and the link is removed ...

Page 45: ...he cover of the display printed boad is removed 18 The display panel is removed 19 The display printed boad is removed Hook three places 20 The panel mechanism cover is removed 3 screws 21 The screw that is the fixation of the panel motor is removed and is turned to the left and it is removed 22 The gear the crank and the arm are removed ...

Page 46: ...ok one place 25 The limit switch is removed 26 The reception part is removed Hook two places 27 The reception cover is removed 28 The fixing band of the sub printed boad assembly is cut 29 The sub printed boad assembly is removed 2 screws 30 Five connectors are removed from sub printed boad ...

Page 47: ...d is removed Hook two places 33 A fixed screw for P W B box cover is removed 34 Hook is removed by handling a minus driver 35 The P W B box cover is removed 36 The fixing band in the P W B assembly is cut 4 parts 37 The connectors in nine places are removed 38 The Terminal board removed 1 screw ...

Page 48: ...e removed by using screwdriver 42 After the plasmacluster that removes the PC cover is taken out the wire connector is removed 43 Six screws for the fixation of the air filter cleaning mechanism assembly is removed 44 Air filter cleaning mechanism assembly is pulled forward and removed 45 The limit switch cover is removed 46 The limit switch is removed Hook one place ...

Page 49: ...49 The relay printed bord holder removed 2 screws 50 P W B assmbly is removed 2 screws 51 The earth cable is removed 1 earth screw 52 The P W B assembly is drawn out forward 53 The Terminal cover of the Terminal stand assembly is removed Hook two places 54 The P W B box cover is removed Hook one place And the con trol bord unit is removed ...

Page 50: ... evaporator fixation right side are removed 58 One screw for the drain pan fixation right side is removed 59 The drain pan is detached 60 Four fixed screws of the vertical direction louver stand assembly removed 61 Driving motor of the vertical direction louver stand assembly is removed 2 screws 62 The bearing holder is removed 1 screw ...

Page 51: ... 9 63 The cross flow fan fixation screw is loosened 64 The two screws for the fan motor cover fixation are removed 65 The cross flow fan is pulled out at the left of the unit and it removes 66 Fan motor is removed ...

Page 52: ...ight hand side of top plate ass y is removed 3 The 2 screws on the left hand side of top plate ass y is removed 4 The screw on the right hand side of front panel is removed 5 The screw on the right hand side of front panel is removed 6 The 4 screws of the front of a front panel is removed 7 The 5 screws on the right hand side of side cover R is removed ...

Page 53: ... the side cover L and side cover R back is removed 10 The connectors in the control box BOX and reactor is removed 11 A control box BOX fixed 2 screws is removed 12 A bulkhead plate fixed 2 screws is removed 13 The compressor covers 1 2 removed 14 A nut is removed and a terminal cover is removed 2 1 ...

Page 54: ...s removed 19 The fixed 2 screws of a motor angle is removed Disassembly of Heater CHET A025JBKZ Unit 1 Cut the band fixing the bi metal thermostat 2 Powercord for bi metal thermostat 3 Cut the band which holds together the thermistor cords and power cord for bi metal thermostat 4 Remove screw NK 8K 5 Pull out the heater wire from beneath the heat exchanger 1 2 4 5 ...

Page 55: ...SPLIT TYPE ROOM AIR CONDITIONERS OUTDOOR UNIT AE X12JR N 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 INDOOR UNIT AY XP12JHR N MODELS PartsGuide 1 INDOOR UNIT PARTS 2 Panel opening and shutting mechanism R Assembly 3 Panel opening and shutting mechanis...

Page 56: ...10 3 42 10 1 3 62 3 5 3 53 1 25 1 26 1 24 3 65 3 15 7 2 1 7 3 20 3 68 3 27 3 66 1 28 1 1 3 71 3 35 3 36 1 8 3 18 3 19 3 3 1 12 3 4 3 48 6 1 3 54 1 6 3 37 3 17 3 17 3 16 3 16 3 41 3 64 7 3 3 67 1 27 3 31 3 33 3 33 3 32 3 32 3 59 3 58 3 61 3 63 3 61 3 63 1 20 5 3 5 0 5 1 3 72 1 4 5 9 5 10 8 15 8 14 8 22 8 27 8 28 8 29 8 30 3 21 3 22 1 29 2 19 3 40 10 5 3 14 2 5A 5 2 5B 5 3 23 ...

Page 57: ...ATOR B 3 23 PFPFPD549JBEZ LOUVER INSULATOR C 3 27 CHLD A139JBKZ BEARING ASS Y 3 31 CPNL A631JBKZ PANEL ASS Y 3 32 JBTN A012JBFA PANEL BOTTOM 3 33 MSPR A188JBEZ SPLING 3 35 PHOS A052JBEZ DRAIN HOSE 3 36 LPLT A058JBPZ HOSE HOLDAR 3 37 CSRA A715JBKZ DRAIN PAN SUB ASS Y 2 5A 5 GGAD A069JBTA WIRE GUARD 2 5B 5 GGAD A072JBTA WIRE GUARD R 3 38 MLOV A503JBFB AIR FLOW LOUVER 3 39 NBRG A038JBFA BEARING C 3 4...

Page 58: ...SULATOR 6 1 QW VZF947JBZZ LEAD WIRE for PC unit 7 2 DPLT A083JBKZ MOUNTING ANGLE ASS Y 7 3 PPLTNA118JBWZ PIPE GAUGE 8 14 CGID A047JBKZ FILTER GUIDE KJH 8 15 CGID A045JBKZ FILTER GUIDE K 8 22 LHLD A995JBFZ THERMISTOR HOLDER 8 27 LHLD A991JBFA GUIDE STRONG 8 28 PGID A167JBFA FILTER GUIDE L 8 29 PGID A168JBFA FILTER GUIDE R 8 30 PGID A169JBFA FILTER GUIDE C 1 INDOOR UNIT PARTS ...

Page 59: ...MA GEAR C 2 5 MCAMPA010JBFZ CAM R 2 6 NGER A040JBEZ GEAR 24 2 7 NGER A041JBEZ GEAR 35 2 8 NSFT A047JBFZ HOOK ARM 2 9 PCAS A076JBFA CASE RC 2 10 PCAS A077JBFA CASE RA 2 11 PCAS A078JBFA CASE RB 2 12 QSW MA013JBZZ SWITCH 2 13 RMOT A164JBZZ STEPPING MOTOR 2 14 RMOT A172JBZZ STEPPING MOTOR 2 16 MCAMPA012JBFZ CAM 2 17 NBRGPA001JBEZ BEARING 2 18 QW VZF950JBZZ LEAD WIRE 2 19 XTPS723P12000 TAPPING SCREW 2...

Page 60: ... 2 23 LPIN A009JBEZ PiIN 2 24 MARMPA067JBMA GEAR C 2 26 MCAMPA012JBFZ CAM 2 27 MCAMPA013JBFZ CAM L 2 28 NGER A041JBEZ GEAR 35 2 29 NSFT A047JBFZ HOOK ARM 2 30 PCAS A079JBFA CASE LC 2 31 PCAS A080JBFA CASE LA 2 32 PCAS A081JBFA CASE LB 2 33 QSW MA013JBZZ SWITCH 2 34 QW VZF949JBZZ LEAD WIRE 2 36 NBRGPA001JBEZ BEARING 2 37 NGER A040JBEZ GEAR 24 2 38 RMOT A167JBZZ STEPPING MOTOR 2 39 RMOT A173JBZZ STE...

Page 61: ...70JBKZ FLERE NUT ASS Y 3 8 5 1 5 PSEN A071JBKZ FLERE NUT ASS Y 1 4 10 2 TLAB D386JBRZ ERROR CODE LABEL 10 3 TLAB D387JBRZ URGENT LABEL 10 4 TLAB D388JBRZ SERVICE LABEL 10 5 TLAB D472JBEZ EU ENERGY LABEL 11 5 LX BZA075JBE0 SPECIAL SCREW 11 8 XTPS723P14000 SCREW 11 9 XTPS730P10000 SCREW 11 10 XTPS740P08000 SCREW 11 11 XTPS740P12000 SCREW 11 12 XTPS740P14000 SCREW 11 14 XTTS740P10000 SCREW 11 15 XTTS...

Page 62: ... CODE PRICE RANK NEW MARK PART RANK DESCRIPTION 6 INDOOR PACKING PARTS 9 1 SPAKCC558JBEZ PACKING CASE 9 2 SPADBA448JBEZ PAD R 9 3 SPADBA449JBEZ PAD L 9 4 SPADBA462JBEZ CABI PAD 9 5 SSAKAA106JBEZ BAG 9 6 SPAKCJ944YDEZ CASE 9 3 9 2 9 1 9 4 9 5 9 6 ...

Page 63: ...3 1 2 32 3 20 2 15 2 16 3 2 2 4 2 4 1 1 2 2 2 7 3 6 3 9 3 7 2 21 3 8 2 56 2 36 2 5 2 45 2 22 2 9 2 10 2 11 1 2 7 1 2 6 2 8 1 2 2 37 2 39 2 38 1 6 2 12 1 7 3 15 2 23 3 14 3 13 2 42 2 40 2 41 3 17 1 5 3 18 3 19 2 43 2 44 2 3 1 12 2 39 2 2 39 6 2 39 7 2 48 2 2 48 1 2 47 1 2 39 3 2 39 4 2 39 5 2 46 2 2 46 3 2 46 1 2 7 3 2 7 4 2 7 5 2 7 6 2 59 2 57 2 58 3 21 ...

Page 64: ...LABEL 2 23 MSPR A036JBE0 THERMISTOR SPRING 2 24 MSPR A143JBEZ SPRING 2 25 NFANPA118JBEZ PROPELLER FAN 2 26 PPLT A663JBTA SIDE COVER R 2 27 PSPF B004JBEZ COMP COVER TOP 2 28 PSPF B005JBEZ COMPRESSOR COVER 2 31 TLAB C511JBRA LABEL 2 32 TLABBA160JBRA IVTLABEL 2 33 TSPC G274JBRZ NAME LABEL 2 34 PPLT A195JBTA SIDE COVER L 2 35 PSEL C830JBEZ SEAL 2 36 CHET A025JBKZ HEATER ASS Y 2 37 PCOV A997JBWZ COVER ...

Page 65: ... A977JBEZ COMPRESSOR COVER 3 21 PSPF B083JBEZ COMPRESSOR COVER 8 OTHER PARTS 1 2 1 QFS CA001JBZZ FUSE 20A 250V 1 2 2 QFS GA051JBZZ FUSE 2A 250V 1 2 3 QFS GA052JBZZ FUSE 3 15A 250V 1 2 4 QFS CA002JBZZ FUSE 15A 250V 1 2 5 QFS GA064JBZZ FUSE 1A 250V 2 50 PSEL C345JBEZ SEAL 2 51 PSEL C684JBEZ SEAL 2 52 PSEL C767JBEZ SEAL 2 53 PSEL C769JBEZ SEAL 3 7 1 RMOTSA023JBZZ COIL 9 OUTDOOR PACKING PARTS 90 1 CPA...

Page 66: ...946JBFB 1 3 59 LHLD A947JBFZ 1 3 66 LHLD A948JBFA 1 3 60 LHLD A951JBFA 1 3 67 LHLD A956JBFA 1 3 53 LHLD A960JBFZ 1 3 54 LHLD A991JBFA 1 8 27 LHLD A995JBFZ 1 8 22 LHLD A998JBKZ 4 7 15 LPIN A009JBEZ 2 2 3 3 2 23 LPIN A010JBEZ 1 3 61 LPLT A058JBPZ 1 3 36 LX BZA075JBE0 5 11 5 7 1 12 LX BZA355JBEZ 7 2 4 LX NZA312JBEZ 7 2 5 LX NZA313JBEZ 7 3 15 M MARMPA067JBMA 2 2 4 3 2 24 MCAMPA010JBFZ 2 2 5 MCAMPA012J...

Page 67: ...BZZ 2 2 12 3 2 33 QTANZA053JBZZ 7 1 6 QTANZA054JBZZ 1 1 10 QW VZF947JBZZ 1 6 1 QW VZF948JBZZ 1 1 26 QW VZF949JBZZ 3 2 34 QW VZF950JBZZ 2 2 18 QW VZG030JBZZ 5 11 22 QW VZG031JBZZ 5 11 23 QW VZG032JBZZ 5 11 24 QW VZG033JBZZ 5 11 25 QW VZG044JBZZ 1 1 25 QW VZG165JBZZ 1 1 29 R RCILZA027JBZZ 7 1 4 RFIL A126JBZZ 7 1 10 RH HXA029JBZZ 7 1 11 RH HXA113JBZZ 1 1 4 RH IXA856JBZZ 7 1 2 6 PARTS CODE No PRICE RA...

Page 68: ...oduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher COPYRIGHT XXXX BYSHARP CORPORATION ALL RIGHTS RESERVED ...

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