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Premium GPAC12039, Service Manual

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Premium GPAC12039 Service Manual Download Page 32

 

 

30 

2. Normal 
3. Is the voltage of outdoor chip IC1#42 DC5. 0V? 
4. Chip IC1 abnormal 
5. Voltage of #15.#16 of outdoor chip IC1 high or not? 
6. Chip IC1 abnormal 
7. Voltage of the connection points between IC2 #15. #16 and 4-way valve relay (RE3. RE4) 
low or not? 
8. IC 2 abnormal 
9. Relay out-put normal or not? 
10. Replace IC4 
11. Replace relay ( RE3. RE4) 
12. Four-way valve or indoor and outdoor communication connection abnormal 
13 Check the indoor and outdoor communication connection or replace 4-way valve. 
14 Replace PCB 

7. Malfunction of remote controller 

7.1. Fault diagnosis procedure   

 

1. Take off the battery. re-plug after about 5 seconds 
2. LED display mode ON or not? 
3. Check according to “ powerless diagnosis” parts 
4. Can music be heard when press the “ON/OFF”? 
5. Normal 
6. Voltage of battery is lower than 2.5V( remote controller) 
7. Replace battery 
8. Remote LCD display normal 

Summary of Contents for GPAC12039

Page 1: ...del PAC9039 GPAC9039 PAC12519 PMA1212 PAC12039 PAC13039 PAD12060EN PAD12080A GPAC12039 PAC18039 PAD18060EN GPAC18039 PAC24039 PAD24060EN GPAC24039 PAC30039 PAC36039 SPLITTYPEACANDMULTISPLITACSERVICEMANUAL ...

Page 2: ...ction 3 Electronic Controller Introductions 9 Section 4 The Disassembly And The Relating Attention Issues To The Part Of Product 18 Section 5 Trouble Shooting Guide 24 Section 6 Exploded View 34 Section 7 Cooling Cycle Diagram 39 Section 8 Wiring Diagram 40 Section 9 Service Record 42 ...

Page 3: ... interpretation of this information Nor can it assume any liability in connection with its use The information Specifications and parameter are subject to change due to technical modification or improvement without any prior notice The accurate specifications are presented on the nameplate label How to order spare parts To have your order filled promptly and correctly Please furnish the following ...

Page 4: ...2 Section 2 Remote Controller Introductions a Names and functions of the button The closing state of remote controller ...

Page 5: ...tion FAN button Use to select the indoor fan motor speed Power High Low Mute Remark The floor standing type select fan speed only from Low to High MODE button Which enables you to select different operation modes after each pressing the operation mode will be changed It shows in the following display button This button can set room temperature Press it once the temperature decreases 1 Press it con...

Page 6: ...e again the symbol disappears the function is cancelled at the same time SLEEP button Press this button the LCD shows the symbol the sleeping function of the air conditioner is started After 7 hours of setting this function the air conditioner will be off automatically Press the button once again the symbol disappears the function is cancelled at the same time This function is invalid when the app...

Page 7: ...m If not this operation is invalid button This button not only can adjust clock time and the timer time but also can set room humidity Adjusting clock time and timer time Press it once the time decreases one minute Press it for 1 to 3 seconds time display will decrease at the speed of 2min s For 3 to 5 seconds It will decrease at the speed of 10min s For more than 5 seconds it will decrease at the...

Page 8: ...Press or the button set the temperature range from 16 to 32 3 Press the FAN button you can select fan speed The type of H M series You can select fan speed from Power High Low Mute The type of E series You can select fan speed from Auto High Mid Low 4 Press the button the operation indicator is on the air conditioner starts to operate the Dry mode Press the button again the air conditioner stops C...

Page 9: ...he TIMER CLOCK button the remote controller display intermittently 2 Adjust time through pressing the or button 3 Press the TIMER CLOCK button once again the Timer OFF setting is finished Sleeping operation mode 1 Press the SLEEP button the sleeping indicator light of indoor unit flashes on 2 After the setting of sleeping mode the cooling operation enables the set temperature to increase 1 after 1...

Page 10: ...e of transmitting signal can t be heard indoor unit or the transmission symbol on the display screen doesn t flare batteries need be replaced If reset phenomenon occurs on pressing the button of the remote controller the electric quantity is deficient and new batteries need to be substituted ...

Page 11: ...3 When cooling is operating after the compressor is started up It can t be closed until 3 minutes later Or only by turning off the machine or changing function mode 2 4 In cooling mode The freeze prevention function of indoor coil is valid 2 5 Indoor wind speed is operated by set wind speed 3 Dehumidify function 3 1 temperature is setted and controlled with between 16 32 3 2 four way valve is clos...

Page 12: ...mute model on the condition of indoor coil temperature 30 the indoor fan motor will turn off when the indoor coil temperature fall to below 30 and residual heating function will last less than 40s And the four way valve change in 2min 5 6 Indoor fan motor control 5 6 1 Heating defend cold wind and blow rest heat energy function The wind speed of indoor fan motor can be controlled by T inter panel ...

Page 13: ...eating mode it will turn to defrosting mode immediately Only when the two compressors meet the condition of finishing defrost can they get back to heating mode 5 7 1 Entry condition of outdoor temperature sensor In heating system T c condenser 6 for 2 m compressor works for more than 50 m The defrost interval is more than 50 m Compressor continuous operates for 5 m If outdoor unit temperature sens...

Page 14: ... after 7 hours Refrigeration sleep operation Temperature Increase another 1 Increase 1 Original designed temperature 1h 2h 7h Turn off after sleeping 6 3 In heating sleep operate mode decrease the temperature by 2 after 1 hour operation And decrease the temperature by another 2 after 1 hour Turn it off after 7 hours Heating operation sleep Temperature original designed temperature decrease 2 decre...

Page 15: ...he T e 64 for more than 10 seconds the compressor stops 9 1 5 When the compressor stops for 3 minutes If T e 52 it gets back to normal operations 9 2 Indoor coil freeze prevent function 9 2 1 This function is only at refrigeration and dehumidifies modes and invalid to other modes 9 2 2 When T e 2 for more than 2 minutes the compressor should stop running and indoor fan operates according to design...

Page 16: ...ce outdoor unit function mode is decided the other compressor which doesn t fit the function mode would stop For example One of A B or C D firstly cooling dehumidify then outdoor unit mode will be cooling if the other machine starts with heating then heating will not function Only after refrigeration dehumidify indoor unit turn to standby or heating can outdoor unit turn to heating mode 11 Digital...

Page 17: ... swings to a proper position according to different mode and fix e g cooling mode is chart 3 position 2 heating mold is chart 3 position 5 If it s set as free swing no matter the fan is open or not air blade swings within limitation If the remote control set non swing air blade will stop at the set position 6 Turn off by remote control or button pressing when the inside fan motor stops working air...

Page 18: ...ooling mode is chart 4 position two heating mold is chart 4 position 5 If it s set as free swing open the fan air throttle swings within limitation If the remote manipulator set non swing pendulum will stop at the set position If the fan is not open then the air blade will not swing 6 Turn off the machine and when the inside motor stop working the air blade will close by itself 7 Press the emergen...

Page 19: ...0 1 2K 1100 15K 1 2K 1180 3K 1150 3K 1050 20K 2K 1130 5 1K 1100 5 1K 1000 27K 2 7K 1080 8 2K 1050 8 2K 950 36K 3 6K 1030 12K 1000 12K 900 57K 4 7K 980 20K 950 20K 850 82K 6 2K 930 36K 900 36K 800 150K 7 5K 880 82K 850 82K 750 Note Mute wind mode 850rpm in heating mold 800 rpm in non heating mold ...

Page 20: ... sides of the panel and push upward to have it slip out 4 Grasp the both sides of the panel and push upward 5 Turn the upper board by 90 and unload it from the connecting pole carefully 6 Take out the filter from the right and left side 7 Screw off the bolts on the electrical box cover and unload the box cover 8 Screw off the 5 bolts for 1Hp AC or 8 bolts for 1 5Hp AC on the medium frame 9 Hold th...

Page 21: ...ay 3 Water draining tank 1 Do No 1 and 2 firstly offload the water drainage soft tube 2 Offload the water draining tank from chassis and take out the electrical components 4 Evaporator 1 Do No 1 2 and 3 firstly 2 Offload the connecting pipe 3 Offload the tube clip at the rear 4 Screw off the bolts at the right and left side 5 Lift up the evaporator and draw it out from the indoor unit 5 Indoor fan...

Page 22: ...n the electrical cover unit 2 Loosen the two bolts on the 3 fixed wire clamp loosen the bolt on fixed powerline and communication lines of inside and outside unit take down the power connecting wire and inside and outside unit communication lines as shown in figure 2 3 The rewiring must strictly follow chart 3 The communication lines of A B systems including NO 1 and 2 wires and NO 3 and 4 wires i...

Page 23: ...ight handed nut take down axial flow fan 8 Dismantle the bolts of fixed motor and motor holder takes down the motor and motor holder as shown in chart 8 9 As in figure 9 dismantle the nuts of the junction box cover in fixed A B system compressor and tip off connecting wire 1 and 2 from the compressor 10 As shown in chart 9 dismantle the bolts of the four way valve coils on fixed system A B and tip...

Page 24: ...onent 14 As in figure 10 dismantle the four bolts on the fixed partition plate and take down partition plate 15 Unsolder the 4 welding points shown in chart 11 16 As shown in chart 12 dismantles condenser assembly A B system compressor and valve plate component figure10 figure11 figure12 figure13 figure14 ...

Page 25: ...23 17 When reconnecting the connecting pipes of inside and outside unit please strictly follow chart 14 A system match with A indoor unit B system match with B indoor unit Change them is prohibited ...

Page 26: ...und can be heard but the air condition doesn t work This means the conditioner is on power Press the on off button on the remote controller when the air conditioner receives the signal it will work 2 In the cooling mode room temperature is above the set temperature Compressor doesn t work but the indoor fan runs While the air conditioner is turned off it takes 3 minutes delay to restart it When th...

Page 27: ...power supply out of work completely tentative diagnosis 2 1 Check item 1 Does the input voltage is correct 2 Does AC power wires connected correctly 3 Does the output voltage of voltage stabilizer l7805 ic2 is correct 4 Does between indoor and outdoor unit communication is normal 2 2 Fault diagnosis procedure Note There is according with an outdoor unit and two indoor unit and a set of PCB Please ...

Page 28: ... Check the AC voltage of PCB board 20 Replace the indoor PCB board 21 Replace the outdoor PCB board 22 Check control side voltage of RE1 RE2 fan RE3 RE4 4 way valve RE7 RE8 RE9 RE10 Compressor on the outdoor controller normal or not 23 Check the connection of compressor external fan and 4 way valve 24 Check 21 0V 42 5V of IC1 is normal or not 25 Replace relay 26 Check the output of 7821 and 7805 n...

Page 29: ...ror diagnosis steps 4 Check chip output on the controller is normal or not 5 Micro controlled chip error 6 Check the input voltage of the fan motor enough or not 7 PCB error 8 Replace PCB 9 Probe position 10 PCB Cn10 11 Status 12 Normal voltage 13 2 3 socket 14 Motor running 15 About A C 134V 160V 16 Fan motor capacitor disconnected to CN10 17 Fan motor false 18 Replace FAC 19 Fan motor false 20 R...

Page 30: ...s of systems with a common fan There may be cases when one of the systems work well and the other doesn t and this needs to observe the running of compressor to make a judgment 1 Unplug the power and re plug after about 5 seconds 2 Is outdoor controller normal 3 Is output voltage of relay normal Socket connection is correct 4 Outdoor unit abnormal 5 Check according to powerless diagnosis part 6 Re...

Page 31: ...ernal chip IC6 square wave 8 Chip IC6 error 9 Voltage between IC3 11 14 of the internal chip ULN2003AFW changes square wave 10 Driver chip IC3 ULN2003AFW is false 11 Step motor error 6 No hot wind blown in heating mold only for heat pump unit 6 1 Check item 1 Confirm temperature set by remote controller is lower than indoor temperature 2 Whether confirm that indoor PCB is connected to terminal boa...

Page 32: ...E3 RE4 12 Four way valve or indoor and outdoor communication connection abnormal 13 Check the indoor and outdoor communication connection or replace 4 way valve 14 Replace PCB 7 Malfunction of remote controller 7 1 Fault diagnosis procedure 1 Take off the battery re plug after about 5 seconds 2 LED display mode ON or not 3 Check according to powerless diagnosis parts 4 Can music be heard when pres...

Page 33: ...her parts 3 Before replacing element cut off the power If the operation is with electricity on it may cause a shock short circuiting or other injuries 4 During the replacement or repair of parts please confirm whether electric wire or not on the circuit board surface position of diode Because the coarseness of circuit connector may cause the wire and component broken by bending and shaking 5 Befor...

Page 34: ...r have got normal AC voltage on CN9 or not 2 Electrify 2 DC voltage on IC6 Put in DC12V Put out DC5V Rectifier circuit goes wrong Step down voltage transformer broken Check voltage Circuit goes wrong 1 Check the control load of outdoor electrical units relay open 0 7V relay off 12V RELAID RE1 RE2 RE3 RE4 RE5 RE6 RE7 RE8 goes wrong 3 Special protect mode 2 Indoor fan Output voltage of Silicon contr...

Page 35: ...33 ...

Page 36: ...34 Section 6 Explosion View Model e g ...

Page 37: ... 16 Chassis 1 17 Wall mounted plate 1 18 Tube clamp plate 1 19 Indoor fan motor 1 20 Cover for indoor fan motor 1 21 Electric controller box 1 22 Transformer 1 23 Plastic temperature sensor 1 24 Main PCB 1 25 Copper temperature sensor 1 26 Signal receiver holder for Remote controller 1 27 Temperature sensor holder 1 28 Receiver board 1 29 Terminal board 1 30 Negative ion generator 1 31 Grounding w...

Page 38: ...36 Outdoor Unit Model e g ...

Page 39: ...for system A 1 16 Clamp for capacitor 2 17 Compressor capacitor for system B 1 18 Fan motor capacitor 1 19 Transformer 1 20 Outdoor controller main board 1 21 Three sockets terminal board 1 22 Two sockets terminal board 2 23 Main board holder 5 24 Electrical box 1 25 Compressor for system A 1 26 Compressor cushion for system A 3 27 Bolt 8 28 Small valve for system B 1 29 Big valve for system B 1 3...

Page 40: ...38 41 Compressor accessory for system B 1 42 Fan motor 1 43 Cushion 1 44 Fan 1 45 Six angle nut 1 46 Steel grille 1 47 Big panel 1 48 Handle 1 49 Left hand holder plate 1 50 Small panel 1 ...

Page 41: ...nly applies the cooling process without four way valve Cooling Cycle Diagram 1 four way valve 2 capillary tube 3 single way valve 4 aux capillary tube 5 evaporator 6 indoor unit motor 7 outdoor unit 8 compressor 9 liquid valve 10 through flow fan 11 gas valve 12 indoor unit 13 condenser 14 outdoor motor 15 axial flow fan ...

Page 42: ...m 1 Indoor Unit Indoor Unit Electric Chart Multi Heat Auto Button 2 Outdor Unit a Heat Pump Model A A Protector Overcurrent B Controlling Panel B A Outdoor Unit Electric Chart Two Split System Multi Heat Overcurrent Protector B ...

Page 43: ...41 b Single Cooling Model ...

Page 44: ...42 Section 9 Service Record Date Page Part Cause Report ...

Page 45: ......

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