Comfort-Aire PAD-121 User's Manual
Contents
1. Air Outlet Grid 8101028 1 24 Control PCB Assembly 81409165 1 25 Upper Fan capacitor 1411144 1 26 Display PCB Assembly 81409166 1 27 Control Panel 81006196 1 28 Recevier PCB Assembly 81409167 1 29 Front Knighthead 8110222 2 30 Castors 812021 4 31 Chassis 8100282 1 32 Gasket 817042 3 33 Compressor Bolt 817028 3 34 Compressor PAD 91 1304444 1 34 Compressor PAD 121 1304443 1 35 float 8110615 1 36 relay 815043 1 37 toggle switch high 8141016 1 38 toggle switch low 8141017 1 39 Water pump assembly 8110614 1 40 Lower Fan capacitor 1411144 1 41 Back Knighthead 8110223 2 Remote controller 81401355 1 Discharge air hose 813031327 1 Supply air hose 813031327 1 circular air hose end 8130721 2 square air hose end 8130722 2 inline mounting plate 8120918 1 air hose mounting plate 8120919 1 air hose mounting plate A 8120920 1 accessory bracing sheet 8110117 2 15 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 0 Capillary Assembly 813031468 1 1 Front air channel of Condenser 810125 1 2 Lower Centrifugal Fan 81011124 1 3 Lower Motor 8140229 1 4 Back air channel of Condenser 810126 1 5 Back Board assembl2. SERVICE MANUAL PORTABLE ROOM AIR CONDITIONER Models PAD 91 PAD 121 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 change due to technical modification or improvement without any prior notice The accurate specifications are presented on the nameplate label Technical Service Manual CHAPTER 1 CHAPTER 2 CHAPTER 3 CHAPTER 4 CHAPTER 5 CHAPTER 6 CHAPTER 7 CHAPTER 8 CHAPTER 9 CHAPTER 10 CHAPTER 11 CONTENT PRODUCTS 1 2 OPERATING 3 PERFORMANCE CURVE 4 WIRING DIAGRAMS 5 REMOTE 6 REFRIGERATION 8 INSTALLATIONS 9 TROUBLESHOOTING 12 EXPLODED VIEW 13 PARTS 6 6 15 Technical Service Manua
3. de SMART mode 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 operation 8 TIMER OFF BUTTON Used to set or cancel the timer off operation 9 SUPER BUTTON Used to start or stop fast cooling The indication symbols on LCD Indication symbols on LCD Signal transmit Q Auto fan speed High Used to regulate temperature in Smart mode or Dry mode See page 9 Smart Mode Smart indicator ES High fan speed Cooling indicator Kack Low for details Dry indicator S B Indicator of Timer on and Timer off BBF Display set temperature amp 88 88 Display real time rex EA Fan only indicator Technical Service Manual CHAPTER 7 REFRIGERATION CYCLE 1 Cooling only appliance 2 Heat pump def rost heat i ng cool i ng Aowof refrigerant Technical Service Manual CHAPTER 8 INSTALLATION 1 Installation accessories Description Quantity Air
4. er leaking when Drain the condensate before moving moving the unit Stop operating and water Pull out the rubber plug to drain water full indicator lamp lights If this is very frequent contact the dealer up Technical Service Manual CHAPTER 11 EXPLODED VIEW 1 Exploded View for PAD 91 amp PAD 121 CY 13 Technical Service Manual 2 Exploded View for PAD 121 E 14 Technical Service Manual CHAPTER 12 SPARE PART LIST MODEL PAD 91 amp 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 pine PAD 91 813032160 1 8 Suction pine PAD 121 813032122 1 9 Condenser assembly 8130181 1 10 Capillary Assembly PAD 91 813032157 1 10 Capillary Assembly PAD 121 813032119 1 11 Front air channel of Condenser 810125 1 12 Lower Centrifugal Fan 8101162 1 13 Lower Motor 8140229 1 14 Back air channel of Condenser 810126 1 15 Back Board assembly 8100912 1 16 Filter 8110521 1 17 Shower Case 8210248 1 18 Running capacitor PAD 91 1411986 1 18 Running capacitor PAD 121 1411701 1 19 Mid partition assembly 8110919 1 20 Evaporator assembly 8130180 1 22 Oriented Channel assembly 810076 1 23
5. hould be kept at minimum of 8 inches 200mm Note the cooling capacity will decrease if only the air discharge hose is used but air outlet temperature will be lower Installation instruction Air outlet or intake opening should not be blocked by curtain or other objects Hose opening should not be block by shutters or other similar objects Do not bend the air hose when assembling keep it straight as figure 3 When operating in cool or dry mode condensate will accumulate in the water tank When the tank is full water full indicator will light up red and LCD will display the sign E The unit will stop operating Shut off the power supply pull out the rubber plug in drain port at the rear of the unit drained the water into a container or other appropriate area Note water should be drained off when the water full light is on otherwise the appliance will not operate 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 dry mode install only air discharge hose 2 When operating the hoses should not be blocked by curtains or other object
6. inlet hose 2 set Stretches from 17 2 4 45cm up to 70 s 180cm Air outlet hose 2 set Stretches from 17 2 4 45cm up to 70 s 180cm Window exhaust adapter 2 Window patio door slider kit 3 set From 28 s 72cm up to 55 le 140cm Window patio door slider kit Window exhaust adapter Adapter Fig 8 1 2 Window kit installation Your window kit is designed to fit most standard vertical and horizontal window applications However it may be necessary for you to improvise modify some aspects of the installation procedures for certain types of windows Please refer to minimum and maximum window openings Fig 8 2 and Fig 8 3 Technical Service Manual Window slider kit Window slider kit minimum 281 8 72 minimum 281 8 72 maximum 553 8 140cm maximum 553 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 door or French window or wall hole Air outlet or intake should not be blocked by protective grid or objects The distance between two ends of the air hose s
7. l CHAPTER1 PRODUCTS Window Type Room Air Conditioner No Model No Model 1 PAD 91 3 PAD 121 E PAD 121 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 appliance can set at different indoor fan motor speed by pressing the FAN FAN SPEED P SPEED button on the remote controller BG 2 When this symbol is being displayed on the LCD of the remote controller the signal is transmitting from the remote controller to the air conditioner TEMP SET UP DOWN Press DOWN button once the set temperature is decreased by 1 F Press UP button once the set temperature is increased by 1 F Automatically switches the appliance ON at preset time intervals ensuring a comfortable environment before you return home or switches OFF the appliance automatically when you sleep without wasting electricity When the room temperature is higher than the setting temperature 4 F the compressor is on When the room temperature is lower than the setting ENERGY temperature the compressor is off and the fan motor runs low speed SAVING When the room temperature is lower than 66 F the unit turns off For Electronic Type Technical Service Manual CHAPTER 3 OPERATING RANGE Temperature ra
8. ng 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 C Max 15 C outdoor DB WB temperature 7 C 6 C Technical Service Manual CHAPTER 4 PERFORMANCE CURVES PERFORMANCE CURVE e COOLING UNIT Indoor air temp 81 F Indoor humidity 47 RH Indoor fan speed Hi 120 S E 110 a 5 100 E C 90 SS 110 a 2 90 o a 58 96 54 52 Outlet air temp of indoor unit F gt 86 88 90 92 94 96 98 100 102 104 106 Outside air temperature F 4 Technical Service Manual CHAPTER 5 WIRING DIAGRAM 1 CIRCUIT DIAGRAM FOR PAD 91 amp PAD 121 2 CIRCUIT DIAGRAM FOR PAD 121 E Ten LA IL N c Technical Service Manual CHAPTER 6 REMOTE CONTROLLER AB t A m High Dame BB s Low 8 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 mo
9. s 3 Plug the appliance into an 115V 60Hz grounded electrical outlet Note Do not use a regular extension cord 4 To start the appliance press On Off button Notes Please read this manual before installing and using this equipment Test run the air conditioner after installing and record details of operation Type of fuse used on indoor unit controller is 50T with rating 2 5 A T 250V The fuse for the unit is to be provided by the user according to the current at maximum power input Alternatively used a over current protective device 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 15 the plug correctly plugged Operate for a short while Is the set temperature very close to the room only temperature Lower the set temperature Air discharge is blocked by foreign object Remove the foreign object Operating but not cooling Is the door or window open Is there is heating appliance operating in the same room like heater The air filter is clog clean it Air discharge or inlet hose is blocked Set temperature is too high Wat
10. y 8100912 1 6 Filter 8110521 1 7 Shower Case 8210248 1 8 Running capacitor 1411986 1 9 Mid partition assembly 8110919 1 20 Evaporator assembly 8130180 1 21 Louver Motor 8140275 1 22 Oriented Channel assembly 810076 1 23 Air Outlet Grid 8101028 1 24 Control PCB Assembly 81409243 1 25 Upper Fan capacitor 1411144 1 25A Transformer 814058 1 26 Display PCB Assembly 81409244 1 27 Control Panel 81006196 1 28 Recevier PCB Assembly 81409167 1 29 Front Knighthead 8110222 2 30 Castors 812021 4 31 Chassis 8100282 1 32 Gasket 817042 3 33 Compressor Bolt 817028 3 34 Compressor 1304381 1 35 Dobber 8110615 1 36 Jiggle switch Fixer 815043 1 37 Alram Jiggle switch 8141016 1 38 Jiggle switch 8141017 1 39 Water pump assembly 8110614 1 40 Lower Fan capacitor 1411144 1 41 Back Knighthead 8110223 2 42 PTC Heater 8140426 1 43 Remote Controler 81401355 1 16
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