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SPLI T TYPE AC AND MULTI SPLI T AC SERVI C E MANUAL
Model:PAC9039/GPAC9039/PAC12519/PMA1212/PAC12039/
PAC13039/PAD12060EN/PAD12080A/GPAC12039/PAC18039/
PAD18060EN/GPAC18039/PAC24039/PAD24060EN/GPAC24039/
PAC30039/PAC36039

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  • Page 1 SPLI T TYPE AC AND MULTI SPLI T AC SERVI C E MANUAL Model:PAC9039/GPAC9039/PAC12519/PMA1212/PAC12039/ PAC13039/PAD12060EN/PAD12080A/GPAC12039/PAC18039/ PAD18060EN/GPAC18039/PAC24039/PAD24060EN/GPAC24039/ PAC30039/PAC36039...

  • Page 2: Table Of Contents

    CONTENTS Section 1 Important Notice ..................1 Section 2 Remote Controller Introductions ............2 Section 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.....

  • Page 3: Section 1 Important Notice

    Section 1 Important Notice This service manual is intended for use by individuals possessing adequate backgrounds of electrical, Electronic and mechanical experience, any attempt to repair the appliance may result in personal injury and property damage. The manufacturer or seller cannot be responsible for the interpretation of this information.

  • Page 4: Section 2 Remote Controller Introductions

    Section 2 Remote Controller Introductions a. Names and functions of the button The closing state of remote controller:...
  • Page 5 ① “+” button This button can set room temperature. ℃ Press it once, the temperature increases 1 .Press it continuously, the temperature ℃ increases at the speed of 4 This function is invalid when the appliance at the Fan and Auto mode. ②...
  • Page 6 The opening state of remote controller: ① “+” 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 increases one minute. Press it for 1 to 3 seconds, time display will increase at the speed of 2min/s.
  • Page 7 Only under the mode of Heat and Fan, Press this button once, the LCD shows the symbol, the wetting function of the air conditioner is started. The initial humidity is 60%. Press the ”+” or “-“ button once , the humidity increases or decreases 5%. The setting range is 30%~60%. Press the button once again.
  • Page 8 Fix batteries 1. Slide opens the cover according the direction indicated by arrowhead. 2. Put into two brand new batteries (7#). Position the batteries to right electric poles (+&-). 3. Put back the cover. Make sure to connect the wire to independent power source socket before you use the remote controller.
  • Page 9 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”. 3. Press the “ ” button. the operation indicator is on. the air-conditioner starts to operate the Automatic mode.
  • Page 10 ★ Take the batteries out of remote controller before stop its using for long. ★ When the noise of transmitting signal can’t be heard indoor unit or the transmission symbol on the display screen doesn’t flare, batteries need be replaced. ★...

  • Page 11: Section 3 Electronic Controller Introductions

    Section 3 Electronic Controller introductions 1. Automatic operation mode 1.1 When air conditioner is running. it will automatically detect indoor temperature by comparison to standard temperature There with to select operation mode：Refrigeration. ℃ Heating or dehumidify. (Default will be set as 24 1.2 When indoor temperature≥27℃.running mode will be cooling.
  • Page 12 4.2. Indoor fan functions according to set air input. Without high power wind. 4.3. Vertical air blade operates according to operating requirement of remote control. 4.4. Without sleep function. have gotten timing function. 5. Heating Function ℃ ℃ 5.1. In heating mode.temperature range is set between 16 and 32 5.2.While in heating function.
  • Page 13 model. ℃ T e≤25 , the indoor fan motor will turn off. ℃ 2) When T e presents rising state and T e≥28 , the indoor fan motor will be in feeble wind ℃ model. T e＜28 , the indoor fan motor will turn off. Residual heat function: ℃...
  • Page 14 5.7.3 Condition of ending defrosting operating： T outer panel ≥12 ℃ or defrosting time≥ 12 m, the compressor first meet condition stops running until the two compressors meet the conditions. 6. Sleep function 6.1 When get to sleep mode, indoor wind speed will turn mute. 6.2 In cooling sleep operate mode, increase the temperature by 1 ℃...
  • Page 15 6.6 Non-sleep model under automatic mode﹑dehumidification and ventilation condition. 7. Timing operation 7.1 Set running time can be as long as 12 hours, under single timing pattern. 7.2 Set-time close down Time of turning off can only be set when the machine is on. It can’t be set when the machine is off.
  • Page 16 speed. When compressor is off. delay 30S to open indoor fan. with a mute wind speed. at the same time malfunctions shown. 9.4.3 When the deviation of T c signal of outdoor coil temperature sensor is detected. strobolamp flickers. and malfunction is indicated. If the remote manipulator signal of heating is received.
  • Page 17 then opens an omnirange angle to its closing direction. If in the course encounters starting up. then starting up action immediately. with swing speed 22°/ s. 2. When machine is on(with remote control or button pressing). the air blade makes a complete shutdown.
  • Page 18 1. When power is on. the air blade makes a complete shutdown. with a swing rate of 22°/ s 2. When machine is on. the air blade makes a complete shutdown. then swing to its initial point. While heating, it stops at point 5( chart 4）.while cooling, then swing back to point 2 （chart 4）.
  • Page 19 Cooling R9 Cooling & heating R9 High power Strong wind Soft wind 1230 1.2K 1200 1.2K 1100 1.2K 1180 1150 1050 1130 5.1K 1100 5.1K 1000 2.7K 1080 8.2K 1050 8.2K 3.6K 1030 1000 4.7K 6.2K 150K 7.5K Note：Mute wind mode, 850rpm in heating mold. 800 rpm in non-heating mold,...

  • Page 20: Section 4 The Disassembly And The Relating Attention Issues To The

    Section 4 The Disassembly And The Relating Attention Issues To The Part Of Product Attention: Turn off the air-conditioner and pull out the plug of the power supply before the service. Part 1 Indoor unit: Part Operation Process Remark Panel 1) Turn off the air-conditioner and cut off the power supply;...
  • Page 21 Electrical 1) Do No. “1” firstly; component 2) Pull out all tie-in connecting with PCB and the temperature sensor. etc.; 3) Screw off the screws and bolts as indicated in the picture. Untie the outdoor unit’s interconnection cord and power supply cord from the terminal of the electrical box.
  • Page 22 Part 2. Outdoor unit: This chart shows the dismantlement process of outdoor unit of heat pump model, The only cooling model can refer to this flow: figure1 figure2 1. Loosen the two bolts on the electrical cover （as shown in chart 1) Take down the electrical cover unit.
  • Page 23 figure4 figure5 figure6 4. Loosen the bolt of fixed Top cover board, as shown in figure 4, take down Top cover board 5. Loosen the bolt of fixed small board, as shown in figure 5, take down the small board. 6.
  • Page 24 13. As in figure 9.dismantle the two bolts on the fixed electrical holder and take down the holder component. 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.
  • Page 25 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: Section 5 Trouble Shooting Guide

    Section 5 Trouble Shooting Guide 1. Starting Items to check 1.1 Make sure input voltage must be within the±10% range of the nominal voltage. If the operation electric tension exceeds scope, the air conditioner may not work normally. 1.1 Make sure the indoor/outdoor communication connecting wire is correct. This series of unit model have two indoor units, with a communication cable connected to the outdoor unit.
  • Page 27 One of indoor unit works normally. One of indoor unit works as cooling or but one of indoor unit has no dehumidification mode. Another one indoor response to signals of remote unit can’t work as heating mode. The mean is controller.
  • Page 28 3 Check the indoor power wire connection and the fuse are intact or not? 4 The outdoor PC board switched on communication signal or not? 5 Check the indoor/outdoor communication connection normal. or not? 6 Check the primary voltage of transformer 7 Check the transformer is normal or not? 8 Air-conditioner starts working after pressing ON/OFF on the remote 10 Normal...
  • Page 29 3.2. fault diagnosis procedure 1 Unplug the indoors and outdoors and re-plug after about 5 seconds 2 Judge the LED light is on or not? Does Digital tube shows E4 error code or not? 3 Reference to the previous page about error 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...
  • Page 30 4、Malfunction of the outer door motor 4.1. Check item 1) Is input voltage normal？ 2) Is the connecting way of exterior connecting terminal correct？ 3) Is indoor and outdoor communication normal？ 4.2. Fault diagnosis procedure Note：Each air conditioner is correspondent with an outdoor unit and two indoor units and a set of controller.
  • Page 31 1 Unplug the power and re-plug after about 5 seconds 2 Turn on air-conditioner with remote controller. 3 LED and digital tube in the indicator board on or not? 4 Confirm “ powerless” error diagnosis steps normal 5 Air blade moves when press “ air flow” ON 6 Normal 7 Voltage changes between the #35,#36,#37,#38 of the internal chip IC6 (square wave) 8 Chip IC6 error...
  • Page 32 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.
  • Page 33 9. LCD display error 10. Press the remote “ON/OFF” button. transmitting signal shows 11. Replace the button 12. Voltage of remote chip IC1 changes 13. Chip error 14. Voltage of Q1 changes 15. Replace three-electro tube 16. Voltage of Led changes 17.
  • Page 34 1 Check the error part 2 Unfix the error part 3 Replace the part 4 Check the performance of new part 5 Service done 8.3 Detail Process Malfunction Checkpoint Cause Cut off the power and check the fuse Fault or not? 1.Over voltage on the PCB 2.Short circuit of...

  • Page 36: Section 6 Exploded View

    Section 6 Explosion View Model e.g.:...
  • Page 37 Parts List of Intdoor unit Name Quantity Remark Panel Anti-bacterial Filter Vitamin-C & Anti-mites Filter Filter Screw cover Cover of medium frame Medium frame Horizontal air blade Vertical air blade Air-vent holder Step motor Indoor fan Rubber bearing Left plastic crutch for evaporator Evaporator assembly Chassis Wall-mounted plate...
  • Page 38 Outdoor Unit: Model e.g.:...
  • Page 39 Parts List of Outdoor unit Name Quantity Remark Condenser Top cover board Capillary assembly for system B Capillary assembly for system A Compressor connecting line for system A Compressor connecting line for system B Grille assembly Rubber supporter Right-hand board Partition plate Electrical box cover board Compressor discharge tube for system A...
  • Page 40 Compressor accessory for system B Fan motor Cushion Six-angle nut Steel grille Big panel Handle Left-hand holder plate Small panel...

  • Page 41: Section 7 Cooling Cycle Diagram

    Section 7 Cooling Cycle Diagram The following chart shows the schematic circuit of the heat pump model. Only cooling only 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...

  • Page 42: Section 8 Wiring Diagram

    Section 8 Wiring Diagram 1. Indoor Unit Auto Button Multi-Heat Indoor Unit Electric Chart 2. Outdor Unit a. Heat Pump Model Controlling Panel Overcurrent Protector Overcurrent Protector Multi-Heat Two Split System Outdoor Unit Electric Chart...
  • Page 43 b. Single Cooling Model...

  • Page 44: Section 9 Service Record

    Section 9 Service Record Date Page Part Cause Report...

This manual is also suitable for:

Pac12039Pac13039Gpac9039Pad12060enPad12080aGpac12039 ... Show all

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