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SERVICE MANUAL
PORTABLE
ROOM AIR CONDITIONER
Models: PAD-91
PAD-121
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Technical Service Manual 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, nor can it assume any liability in connection with its use. The information, specifications and parameter are subject to chang
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Technical Service Manual CONTENT CHAPTER 1 PRODUCTS----------------------------------------1 CHAPTER 2 FEATURES-----------------------------------------2 CHAPTER 3 OPERATING RANGE--------------------------- 3 CHAPTER 4 PERFORMANCE CURVE----------------------4 CHAPTER 5 WIRING DIAGRAMS-----------------------------5 CHAPTER 6 REMOTE CONTROLLER-----------------------6 CHAPTER 7 REFRIGERATION CYCLE----------------------8 CHAPTER 8 INSTALLATIONS---------------------------
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Technical Service Manual CHAPTER 1 PRODUCTS Window Type Room Air Conditioner Model No. No. Model PAD-91 1 3 PAD-121-E 2 PAD-121 1
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Technical Service Manual CHAPTER 2 FEATURES MODE DESCRIPTION COOLING Cools, dehumidifies and filters the room air. Maintains desired room temperature. FAN ONLY Re-circulates and filters the room air. Maintains constant air movement in the room. 1.The appliance can set at different indoor fan motor speed by pressing the FAN FAN SPEED SPEED button on the remote controller. HIGH 2. When this symbol is being displayed on the LCD of the remote controller, the LOW signal is transmitting
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Technical Service Manual CHAPTER 3 OPERATING RANGE Temperature rang for air conditioner The preset temperature of the appliance ranges from 66 °F to 88 °F. The ambient temperature of the cooling only air conditioner ranges from 64.4 °F to 109.4 °F. The rated cooling operation test condition is as following. Indoor DB/WB temperature: 80 °F /67 °F outdoor DB/WB temperature: 95 °F /75 °F The rated heating operation test condition is as following. indoor DB/WB temperature: 20 ℃/M
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Technical Service Manual CHAPTER 4 PERFORMANCE CURVES PERFORMANCE CURVE COOLING UNIT 4
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Technical Service Manual CHAPTER 5 WIRING DIAGRAM 1.CIRCUIT DIAGRAM FOR PAD-91 & PAD-121 N L 2.CIRCUIT DIAGRAM FOR PAD-121-E N 1L 5
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Technical Service Manual CHAPTER 6 REMOTE CONTROLLER Ò £¿ ØÆ ÷ 4 9 6 5 2 3 7 8 1 The remote controller transmits signals to the system. 1. ON/OFF BUTTON When button is pressed, the unit will start operating or stop operating, if it is in operation. MODE BUTTON Used to select operation mode. SMART mode 6
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Technical Service Manual COOLING mode DRY mode FAN ONLY mode 3. FAN BUTTON Used to select the indoor fan motor speed. Automatic fan speed High fan speed Low fan speed 4.TEMPERATURE SETTING BUTTON Used to set room temperature. Used to adjust time in TIMER mode. 5. SWING BUTTON Press to adjust airflow direction. 6. SMART BUTTON Used to enter fuzzy logic operation directly, regardless if the unit is operating or not 7. TIMER ON BUTTON Used to set or cancel “timer on” operati
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Technical Service Manual CHAPTER 7 REFRIGERATION CYCLE 1. Cooling only appliance 2. Heat pump I ndoor uni t 技术参数: evapor at or liquid side gas si de O ut door uni t 3- w ay val ve 2- w ay val ve check val ve accum ul at or com pr essor capi l l ar y reverse val ve condenser heat i ng cool i ng def r ost Fl o w of refrigerant 8
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Technical Service Manual CHAPTER 8 INSTALLATION 1. Installation accessories Description Quantity Air inlet hose 2/set 3 5 Stretches from 17 /4 (45cm) up to 70 /8 (180cm) Air outlet hose 2/set 3 5 Stretches from 17 /4 (45cm) up to 70 /8 (180cm) Window exhaust adapter 2pc Window/patio door slider kit 3/set 3 5 From 28 /8 (72cm) up to 55 /8 (140cm) Window/patio door slider kit Air inlet hose Window exhaust adapter Air outlet hose Adapter Window exhaust adapter Adapter Fig .8.1 2.
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Technical Service Manual Window slider kit 1 1 minimum: 28 /8(72cm) 3 3 maximum:55 /8(140cm) Fig. 8.2 Fig .8.3 3. Select the best location Beside the window, door or French window. Keep the distance between the return air outlet and the wall or other obstacles to at least 20 inches (50cm) Fix one end of the air hose on the air intake or outlet at the back of the unit. Extend the air hose to the clearance between window,
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Technical Service Manual Installation sequence Before starting the unit 1. Select a suitable location, making sure you have easy access to an electrical outlet. 2. Install the flexible exhaust hose and adjustable window slider kit as depicted in Fig.8.4 Fig.8.4 NOTE: 1. Step 2 is required only if operating in cooling or dry mode, In cooling mode, you can install both hoses or just the air discharge hose. In dry mode install only air discharge hose. 2. When operating, t
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Technical Service Manual CHAPTER 9 TROUBLESHOOTING The following cases may not always be a malfunction, please check it before calling for service. Trouble Analysis Does not operate Is the fuse blown or protector tripped? Please wait for 3 minutes and start again, protector device may be preventing unit to start. Is batteries in the remote controller defective? Is the plug correctly plugged? Operate for a short while Is the set temperature very close to the room only temperatur
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Technical Service Manual CHAPTER 11 EXPLODED VIEW 1.Exploded View for PAD-91 & PAD-121 13
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Technical Service Manual 2.Exploded View for PAD-121- E 14
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Technical Service Manual CHAPTER 12 SPARE PART LIST MODEL: PAD- 91 & 121 ITEM PART DESCRIPTION PART NO. Q'ty 1 Front Panel assembly 81006195 1 2 Upper Motor 8140228 1 3 Upper Motor Fixed Board 8110110 1 4 Air Channel 810124 1 5 Upper Centrifugal Fan 8101161 1 6 Oriented Board 8101027 1 7 Discharge pipe 813032124 1 8 Suction pipe (PAD-91) 813032160 1 8 Suction pipe (PAD-121) 813032122 1 9 Condenser assembly 8130181 1 10 Capillary Assembly (PAD-91) 813032157 1 10 Capillary Assembly (PAD-121)
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Technical Service Manual MODEL: PAD-121-E ITEM PART DESCRIPTION PART NO. Q'ty 1 Front Panel assembly 81006195 1 2 Upper Motor 8140228 1 3 Upper Motor Fixed Board 8110110 1 4 Air Channel 810124 1 5 Upper Centrifugal Fan 8101161 1 6 Oriented Board 8101027 1 7 Discharge pipe 813031472 1 8 Suction pipe 813031720 1 9 Condenser assembly 8130181 1 10 Capillary Assembly 813031468 1 11 Front air channel of Condenser 810125 1 12 Lower Centrifugal Fan 81011124 1 13 Lower Motor 8140229 1 1
