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AH-A129E
AU-A129E

13

Figure R-1. Refrigeration Cycle

REFRIGERATION CYCLE

Figure R-2. Flow of Refrigerant

Indoor unit

Outdoor unit

Flare coupling

Evaporator

Strainer

Condenser

Accumulator

Compressor

Capillary 
tube

Flare coupling

Flare coupling

Flare coupling

1

4

2

3

S

Service port

S

Содержание AH-A129E

Страница 1: ...NCE CURVE 15 DISASSEMBLING PROCEDURE 16 TROUBLESHOOTING OF THE CONTROL CIRCUIT 21 REPLACEMENT PARTS LIST 24 SERVICE MANUAL S2918AHA129E SPLIT SYSTEM ROOM AIR CONDITIONERS AU A129E 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 OUTDOOR UNIT INDOOR UNIT AH...

Страница 2: ...gerant volume 940g Capillary tube size Outer dia mm 2 7 Inner dia mm 1 6 Lenght mm 700 Q ty 1 Noise level High dB A 42 48 Med dB A 40 Low dB A 36 Fan system Drive Direct drive Direct drive Air flow quantity High m3 min 9 3 26 at cooling Med m3 min 8 4 Low m3 min 7 0 Fan Cross flow fan Propeller fan Connections Refrigerant coupling Flare type Refrigerant tube size Gas Liquid 1 2 1 4 Refrigerant pip...

Страница 3: ...AH A129E AU A129E 3 EXTERNAL DIMENSIONS 297 186 897 Length unit mm Remote controller 58 19 5 182 Figure E 1 INDOOR UNIT 430 720 775 143 55 2 4 5 5 3 5 278 236 228 20 58 Figure E 2 OUTDOOR UNIT ...

Страница 4: ...1 OUT IN BK BL 250V FUSE T2 5A INDOOR UNIT TERMINAL BOARD 2 OUTDOOR UNIT TERMINAL BOARD EVAPO RATOR INTERNAL THERMAL FUSE TERMINAL BOARD 1 POWER SUPPLY CORD BR BL G Y N L G Y G Y N 1 UNIT TO UNIT CORD BL BR BL BK BL BR GR G Y RE WH BLACK BLUE BROWN GRAY GREEN YELLOW RED WHITE N 5 7 1 2 1 5 3 1 INDOOR UNIT TERMINAL BOARD 2 TERMINAL BORAD 1 U N I T T O U N I T C O R D OUTDOOR UNIT TERMINAL BOARD CON...

Страница 5: ...0W AU Indoor fan motor ML A525 220 240V 50Hz 220V 60Hz AH Outdoor fan motor ML A593 220 240V 50Hz 220V 60Hz AU Indoor fan motor capacitor 430V 2µF AH Outdoor fan motor capacitor 430V 1 5µF AU Running capacitor 400V 30µF AU Transformer Primary AC 220 240V 50Hz AH Secondary AC14 5 15 9V 50Hz Fuse 250V 2 5A AH ...

Страница 6: ...D4 D2 G F A C 13 11 SSR S201D01 L FUSE 2 5A 250V CNR3 C12 0 01µ 250vAC FAN MOTOR CAPACITOR THERMAL PROTECTOR B IN OUT RY1 POWER SUPPLY TERMINAL BOARD 3P GREEN YELLOW EARTH LINE NEUTRAL LINE OUTDOOR UNIT FAN MOTOR BCN CN8 CN2 CN2 Q3 3 1 2 CN1 12V TR 12V IC4 9 8 12V 12V 12V SSR CN101 CN201 CN7 CN6 PHOTO DETECTOR UNIT AUX TEST RUN YELLOW LED102 RED LED101 2 3 CN3 CN4 CN8 BCN LOUVER MOTOR NOTE 1 TEST ...

Страница 7: ...IMER DEICE B DEICE A JP4 JP34 JP5 JP9 C15 OSC JP7 R23 R21 R22 JP12 JP14 JP13 REEZE B DEF FAN A DE FAN B OFF WIDEH D FAN OFF SWEET R P M PREH WIREL F M M A M B F H REEZE A POWER ON JP25 D6 JP24 JP23 JP18 JP21 JP22 GND 12V 5V R40 R41 R25 DIP D9 LOUVER MOTOR JP19 JP36 JP11 JP8 IC6 R20 DPWBFA JBK0 C JP10 R34 JP2 JP1 JP3 JP6 QPWBFB253JBE0 C JP33 IC5 3 2 1 JP35 JP32 R4 20 19 1 64 52 C8 C23 Q1 3 R26 51 I...

Страница 8: ... IN CURRENT LEVEL 62 P56 IN TH1 63 P55 IN TH2 64 P54 IN MODEL A Microcomputer IC1 The microcomputer is a CMOS one chip 8 bit microcomputer Microcomputer port allocation is as follows Pin Terminal Input No Name Output Function 1 P53 IN MODEL B 2 P52 IN FAN H 3 P51 IN FAN M 4 P50 IN FAN L 5 P33 IN WIRELESS 6 P32 IN PREHEAT 7 P31 IN PRM PLUSE 8 P30 IN SWEAT 9 AGND IN 0V 10 CK2 IN OSILLATION 11 CK1 IN...

Страница 9: ...difying zone and Circulating zone by thermostat lines D1 to D3 and the compressor and the fan motor are controlled in each zone as shown in Table H 1 FUNCTIONS 2 Operation modes 2 1 COOL operation The compressor turns on or off at the thermostat lines C3 and C4 The outdoor fan motor is also controlled with the compressor Figure H 1 1 2 DRY operation In the DRY mode the thermostat circuit is contro...

Страница 10: ...omatic fan speed is selected in cool or heat operation the fan speed is automatically changed by the thermostat lines C1 to C3 in cool operation and H1 to H4 in heat operation Figure H 5 4 Anti sweating When the operation continues 30 minutes in cooling zone or dehumidifying zone during dry operation or in continuous compressor operation during cool operation the fan speed of indoor fan motor shif...

Страница 11: ... red turns on or off syncronously with the timimg of the timer LED When the thermistor for room temperature or pipe temperature is open or short state the operation LED turns on or off syncronously with the timing of the timer LED by pushing continously for more than three seconds both TEST button and AUX button Timing chart of Timer LED and Operation LED of DIAGNOSIS PROCEDURE When OI button the ...

Страница 12: ... OI button in the remote controller Use the AUX button to back to step 1 Normal outputs are shown in Table H 5 Table H 5 Step 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Output for outdoor unit Lamps RED YELLOW Indoor Fan motor Louver OFF Back to step 1 OFF OPEN ON D OFF Flickering M OFF L CLOSE D OFF UL OFF H OFF M OFF L OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF...

Страница 13: ...ration Cycle REFRIGERATION CYCLE Figure R 2 Flow of Refrigerant Indoor unit Outdoor unit Flare coupling Evaporator Strainer Condenser Accumulator Compressor Capillary tube Flare coupling Flare coupling Flare coupling 1 4 2 3 S Service port S ...

Страница 14: ...ing T1 condition Dimension of Capillary tube O D I D L Capillary tube ø 2 7 ø 1 6 700 Cooling 81 C 39 C 13 C 9 C 0 53MPa Service port pressure NO Condition 1 2 3 4 Gauge pressure Indoor side Outdoor side Cooling Temperature C Relative humidity Temperature C 27 47 35 40 Relative humidity ...

Страница 15: ...mp 27 C Indoor humidity 47RH Indoor fan speed Hi 1500 2 5 3 0 3 5 4 0 4 5 KW 1000 500 15 14 Input W 13 12 11 10 9 8 7 Outside air temp C Outlet air temp C 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 0 8500 10200 11900 13600 15300 Cooling capacity BTU h Power source 1ø 220V 50Hz ...

Страница 16: ...securely Remove the front panel ass y as to lift up DISASSEMBLING PROCEDURE INDOOR UNIT CAUTION DISCONNECT THE UNIT FROM THE POWER SUPPLY BEFORE ANY SERVICING B B C 5 Loose a cord clamp screw and take it out 6 Loose 3 screws on the terminal board and take out the unit to unit cord from it 3 Pull the open panel at A toward you Remove a fixed screw A A ...

Страница 17: ...ors and others 10 Loose 2 screws for a pipe cover and take it out Loose the earth screw 11 Loose 6 screws fixing control box and take out control ass y 12 Loose 2 screws fixing drain pan ass y Left side 13 Loose a screw fixing drain hose 14 When assembling make sure that O ring is fitted to the drain hose O ring O ring Drain hose Section ...

Страница 18: ...a screw fixing cross flow fan to motor 17 Slide the cross fan leftward to depart from the motor shaft and take out fan motor 19 Take out the fan bearing ass y 18 Loose 2 screws fixing evaporator 20 Take out the cross flow fan while slightly lifting the evaporator ...

Страница 19: ...t FOR OUTDOOR UNITMODEL AU A129E CAUTION DISCONNECT THE UNIT FROM THE POWER SUPPLY BEFORE ANY SERVICING 3 Remove the another screws holding the cabinet and take it out NOTE Number as shown in following figure is the re moval order Figure D 1 OUTDOOR UNIT Left side cover Condenser Right side cover Cabinet Fan motor Propeller fan Compressor Fan guard 1 2 Bulkhead 3 ...

Страница 20: ...ot function at all with remote controller and switches on the indoor unit Using a meter measure the voltage between anodes of D1 and D2 on the PWB ass y 1 Is the measured value approx 20 6 Vac Replace the PWB with a new one Is the 2 5A fuse open circuit Replace the fuse and varistor with new ones Replace the transformer with a new one ...

Страница 21: ...door unit Does connector CN103 connect in place Using a tester measure the voltage between terminals of resistor R30 on the PWB ass y Push the button O I Are batteries of the wireless remote controller good Replace the batteries with new ones Replace the wireless remote controller When the signal is received does the voltage change Replace the PWB with a new one PWB is normal Inspect the outdoor u...

Страница 22: ...tdoor fan motor capacitor may be defective Push the button TEST on the indoor unit and wait 3 minutes Is there a voltage between terminal N and 1 of the terminal board the power supply voltage Are the resistances correct Fig 1 Replace the thermistor ass y with a new one NO YES YES NO Replace the PWB ass y with a new one 0 20 40 60 80 100 120 140 160 180 0 10 20 30 40 C 10 CHARACTERISTIC OF TH1 TH2...

Страница 23: ...7JBE0 Drain cover 1 AC 1 34 PFPFPA905JBE0 Panel insulator A 1 AA 1 35 PFPFPA774JBE0 Cabinet insulator 1 AC 1 36 PGUMSA135JBE0 Damper rubber 2 AB 1 37 CPNL A307JBK0 Open panel ass y 1 AY 1 38 PCUS A026JBE0 Cushion 12 1 AC 1 39 LHLD A278JBE0 Guard holder 4 AD 1 40 LHLD A181JBFA Pipe holder 1 AC 1 41 LHLD A161JBF0 Pipe holder 1 AD 1 42 QW VZC636JBE0 Fan motor lead 1 AG 1 43 PSEL B778JBE0 Aluminum tap...

Страница 24: ...ZA096JBE0 Capacitor C1 1 AE 2 31 QFS AA050JBE0 Fuse 1 AD CYCLE PARTS 3 1 CPIPCA402JBK0 Pipe assembly 1 BB 3 2 PEVA A248JBE0 Evaporator 1 BT ACCESSORY PARTS 4 1 LX NZ0247JBE0 Special nut 7 AB 4 2 CRMC A490JBE0 Wireless remote controller 1 BG 4 3 TINS A565JBR0 Installation manual 1 AF 4 4 TINSEA221JBR0 Operation manual 1 AR 4 5 PPLTNA020JBW0 Mounting angle 1 AP 4 6 FCOV A013JBFA Screw cover 3 AB 4 7...

Страница 25: ...1 33 1 19 4 5 1 35 3 2 1 3 1 5 1 36 1 11 1 12 1 7 1 12 1 13 1 4 1 1 1 18 1 6 1 9 1 8 1 2 1 14 1 17 1 10 2 13 2 14 2 2 2 17 2 12 4 3 2 18 2 9 2 7 2 8 2 15 2 16 2 4 2 19 2 5 2 3 2 1 4 1 4 2 4 4 4 7 4 8 1 30 1 23 1 21 1 29 6 2 1 20 1 37 1 34 4 6 1 22 1 27 1 47 1 28 1 48 1 43 1 31 6 3 1 26 1 25 1 24 4 9 1 42 1 44 1 45 1 40 1 39 1 46 4 10 2 7 ...

Страница 26: ...ss y 1 AP 2 4 RC HZA389JBE0 Runnning capacitor 1 BC 2 5 RC HZA154JBE0 Fan motor capacitor 1 AX 2 6 QTAN A153JBE0 Terminal board 1 AF 2 7 LHLD 0227JBM0 Cord holder 1 AC 2 8 PCOV A455JBP0 Capacitor cover 1 AF 2 9 PCOV A471JBP0 Terminal cover 1 AR CYCLE PARTS 3 1 PCMPRA290JBE0 Compressor 1 CH 3 2 PCON A410JBP0 Condenser 1 CA 3 3 DVLV A189JBK0 2 way valve unit 1 BB 3 4 LX NZ0133JBE0 Flare nut 1 AE 3 5...

Страница 27: ...OUTDOOR UNIT 1 5 3 2 1 14 1 16 1 3 1 16 3 21 1 2 6 3 6 7 1 1 1 8 6 5 1 21 1 7 2 8 2 4 2 9 2 5 2 6 2 7 1 6 2 1 6 6 1 12 6 4 6 4 6 6 1 13 1 9 1 10 1 19 1 4 1 15 3 13 3 14 1 17 1 11 3 16 3 18 3 15 3 17 6 2 3 11 3 19 3 1 2 2 3 20 3 8 3 6 3 10 3 4 3 3 6 1 6 1 6 1 6 1 3 5 3 12 3 9 3 7 ...

Страница 28: ...AH A129E AU A129E 28 99 SHARP CORP 2U0 85E Printed in Netherlands ...

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