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Summary of Contents for Premier AA-2118
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Page 1: Service Manual
Service Manual SPLIT TYPE CEILING CASSETTE AIR CONDITIONER Service Manual AA-2118... -
Page 2: Table Of Contents
Service Manual CONTENTS 1. Range & Conditions Operating Range……………………………………………………………………………...2 Operating Conditions ………………………..……………………………….………….…2 2. Specifications Unit Specifications………………………………………………………….…………………3 Specifications of Main Parts………………………………………………………………….4 Specifications of Other Parts……………………………… ………………………………..6 3. Functions Control Functions……………………………………………………………………………..7 Operating Mode……………………………………………………………………………….7 Protect Functions……………………………………………………………………………..9 Other Functions ……………………………………………………………………………..10 Temperature Table of Prevent Point ………………………………………………………12 4. -
Page 3: Range & Conditions
Service Manual Technical Data 1. Range & Conditions 1.1 Operating Range Operating Modes Temperature Indoor Temperature Outdoor Temperature Max. 32℃ DB/27℃ WB 43℃ DB Cooling Min. 21℃ DB/15℃ WB 21℃ DB 1.2 Operating Conditions Rated Operating Conditions Indoor Temperature Outdoor Temperature Cooling 27℃... -
Page 4: Specifications
Service Manual 2. Specifications 2.1 Unit Specifications Power supply 220V～ 60Hz (single phase) Rated voltage Performance Rated capacity Btu/h 9000 Air circulation(High) Moisture removal (High) Electrical rating Voltage range 198~242 Operating current Power input E.E.R / C.O.P 2.65 Features Controls / Temperature control Microprocessor / I.C thermostat Control unit Infrared remote control transmitter... -
Page 5: Specifications Of Main Parts
Service Manual 2.2 Specifications of main parts 2.2.1 Indoor unit AA-2118 Controller Part No. JUK6.672.849 Controller Microprocessor Fuse 250V T3.15A Remote controller KK10B-C1 Fan & Fan motor Type Cross-flow fan Quantity / Diameter / Length 1 /Ф86 /640 Fan motor model... - Page 6 Service Manual 2.2.2 Outdoor unit AA-2118 Controller PCB Part No. Fuse Compressor Controller model Highly: SD134SN-H3AU Compressor power input Compressor oil / Amount Highly: DIAMOND MS-56 / 270 Overload protector Highly: BF840-KB Compressor locked rotor amperes Ω Coil resistance (Ambient temp 20℃) Highly: C-R: 3.53, C-S: 4.02...
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Page 7: Specifications Of Other Parts
Service Manual 2.3 Specifications of other parts Indoor unit Transformer DB-13-01 Indoor temperature KTEC-41-C12 Thermal resistor Coiled pipe KTM-41-C9 Resistance temperature 25℃ Ω Power supply length (m) / cross section (mm AWG16 Rated value 15A, 250VAC Power relay JQX-102F-012-P Coil rated voltage, 12V±10%, 20A Current coil resistance(20℃) 160Ω... -
Page 8: Control Functions
Service Manual 3. Control Specifications 3.1 Control functions 3.1.1 Switches input: Press on / off button in the off mode. The air conditioner is turned on and works at 24℃ in sweep mode automatically. Press the button when the unit is running or in test run mode, air conditioner is turned off. - Page 9 Service Manual When Tr≥Ts+1℃, compressor runs. When Tr≤Ts℃, compressor stops. The control circuit will stop compressor only after it has run at least 5minutes.The compressor can be restarted 3minutes later the turn-off. Fan speed control: Auto: When Tr>Ts+2℃, high speed; When Ts+1℃≤Tr<Ts+2℃,medium speed;...
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Page 10: Protect Functions
Service Manual Temperature control precision:±1℃; Characters on control: 4-way reversing valve opens. When Tr≤Ts-1℃, compressor , 4-way reversing valve and external fan motor all open . When Tr≥Ts+1℃, compressor and external fan motor both close. Indoor fan motor blows breeze. When Trc (Trc: The indoor coiled temperature) drops blow F℃, Air conditioner enters into cool- air- flow prevention operation;... -
Page 11: Other Functions
Service Manual to D℃. Air conditioner will exit overload protection when coiled pipe temperature drops blow E℃. Indoor fan motor resumes to the normal status. Compressor will stop when the coiled pipe temperature is above C℃ and the build-up time of compressor running is for more than 5 minutes. -
Page 12: Temperature Table Of Prevent Point
(4) The unit is off when electric heating is running. If electric heating is running or the turn-off time is less than 10 minutes. The indoor fan motor will blow breeze for 1 minute. 3.5 Temperature table of preventing point Model AA-2118... -
Page 13: Dimensional Data
Service Manual 4. Dimensional data 4.1 Unit 4.1.1 Indoor unit 4.1.2 Outdoor unit Note: The above figures are only schematic, and they may be slightly different from the actual appliances you bought. - Page 14 Service Manual Exploded view for indoor unit NAME CODE WIND-ABSORPTION BAR BRACKET BEARING ASSEMBLY ASSEMBLY AIR FILTER INDOOR FAN WIND-ABSORPTION BAR LEFT FILTER BRACKET ASSEMBLY AIR GUIDING BOARD COVER ASSEMBLY FAN MOTOR UPPER COVER TRANSFORMER ASSEMBLY RIGHT FILTER BRACKT ASSEMBLY INDOOR ELETRIC...
- Page 15 Service Manual CONTROL ASSEMBLY INDOOR FAN MOTOR Air outlet guid EVAPORATOR ASSEMBLY DRAIN CANAL ASSEMBLY Air supply shelf Ass’y DRAIN CANAL INSTALL BOARD Air shutter Ass’y Exploded view for outdoor unit...
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Page 16: Performance Charts
Service Manual 5. Performance Charts （ ℃ ） O u td o o r in le t te m p e r a tu r e ( D B ) （ ℃ ） Note: Over prevention operates to protect the air conditioner when the outdoor ambient temperature reaches an abnormally high level while in heating mode. - Page 17 To prevent heat loss and condensed water from dropping on the floor, the wide and narrow tube of air conditioner should be wrapped with thermal insulating materials. For using capillary tube, and the tubes are in low temperature, the thickness of thermal insulating materials shall be more than 8mm. AA-2118 Model Ф6.35mm(1/4”) Narrow tube Ф9.52mm(3/8”)
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Page 18: Circuit Diagram
Service Manual 7. Circuit Diagram 7.1 Electrical wiring diagram for indoor unit To avoid electrical shock hazard, be sure to disconnect power before Warning checking, servicing and/or cleaning any electrical parts. -
Page 19: Electrical Wiring Diagram For Outdoor Unit
Service Manual 7.2 Electrical wiring diagram for outdoor unit To avoid electrical shock hazard, be sure to disconnect power Warning before checking, servicing and/or cleaning any electrical parts. Run Capacitor C1 Outdoor Wiring Diagram Note:No overload protector in the White Blue diagram if internal protector compressor is used. -
Page 20: Troubleshooting
Service Manual 8. Troubleshooting 8.1 Check before troubleshooting Warning: High-voltage will result in electric shock or death. Always cut off the power before checking and maintaining 8.1.1 Check power line To check whether the power line is connected correctly according to the wiring diagram. 8.1.2 Check unit wiring To check whether the inter-unit wires are connected correctly. - Page 21 Service Manual Check the rated power of fuse. Replace it with a proper one Replace indoor fan motor. Check the resistance of indoor fan motor coil. Replace transformer. Check the resistance of transformer coil. 8.2.2 The indoor and outdoor units do not work. Check power supply 1.
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Page 22: Some Parts Of The Air Conditioner Do Not Work
Service Manual 8.2.3 Only outdoor unit does not work: Check the set 1. The set temperature is too high for cooling operation. Adjust the set temperature 2. It is too low for heating temperature. operation. Measure the voltage between terminal No.1 and No.2 on the Outdoor unit terminal block (220V±10%) is defective. - Page 23 Service Manual Not rotate Check the fan rotation Check if foreign matter is in the fan cover. Check if fan motor is broken Measure the resistance of motor coil. or foreign matter in bearing. Check the capacitor of the fan motor. 8.3.4 Compressor does not run.
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Page 24: Air Conditioner Operates, But Abnormalities Are Observed
Service Manual 8.4 Air conditioner operates, but abnormalities are observed 8.4.1 Bad shifting between cooling and heating mode (Not available in cooling type). Remote controller may be detective. Measure the coil resistance of 4-way reversing valve. Cooling Heating Check the voltage between terminal No.5 4-way reversing valve and N0.2 on the terminal block (AC220) is defective... - Page 25 Service Manual Poor cooling or heating phenomena. Poor cooling Is the temperature Change the set temperature. (heating) set properly? performance Reduce heat (cool) source or The heating (cooling) change the air conditioner load is too large. with large power. Refrigerant 4-way reversing valve fails.
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Page 26: Sensor Is Defective
Service Manual 8.4.2 Over cooling or heating. Check the set temperature. 8.5 Sensor is defective 8.5.1 Temperature sensor of indoor heat exchanger is defective. The sensor is The timer of indoor Replace it. open or short. unit is flash. Definition of open or short circuit of sensor (thermal resistor): Short circuit: The protective cover of a lead wire has been damaged, and the exposed wire is touching another metal parts. -
Page 27: Checking Motor Capacitor
Service Manual 9.1.3 Outdoor unit Clamp a metallic part of the unit with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw where power supply lines are connected on the terminal plate. (Fig. 2) 9.1.4 Measurement of Insulation Resistance for Electrical Parts Disconnect the lead wires of the desired electric part from...
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