AUX ASW-H12B4/E Series Service Manual
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AUX ASW-H12B4/E Series Service Manual

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Split type Wall Mounted Air Conditioner
E series

Service Manual

Contents
1.Important Notice.............................................1
2.Technical Specification................................2-9
3.Operation Details.....................................10-13
4.Wiring Diagram.......................................14-15
5.Troubleshooting Guide.............................16-23
6.Explosion View And Parts List..................24-31
7.Refrigeration Cycle Diagram........................32
8. Control Functions Exposition..................33-42

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Summary of Contents for AUX ASW-H12B4/E Series

  • Page 1: Service Manual

    Split type Wall Mounted Air Conditioner E series Service Manual Contents 1.Important Notice..........1 2.Technical Specification........2-9 3.Operation Details........10-13 4.Wiring Diagram........14-15 5.Troubleshooting Guide......16-23 6.Explosion View And Parts List....24-31 7.Refrigeration Cycle Diagram......32 8. Control Functions Exposition....33-42...

  • Page 2: Important Notice

    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.

  • Page 3: Technical Specification

    2.Technical Specification 2-1 Appearance...
  • Page 4 2.Technical Specification 2-1 Appearance(continue) INDOOR UNIT OUTDOOR UNIT...
  • Page 5 2.Technical Specification 2-2 Nomenclature 1 AUX 2 Split-type 3 Wall mounted 4 Heat pump(only for heat pump) 5 Rated cooling capacity 6 The lever code of same cooling capacity 7 Power supply 1 for 220V~/50Hz 2 for 208V-230V~/60Hz 3 for 110V~/50Hz...
  • Page 6 2.Technical Specification 2-3 Product Technical Specification Diagram Model Item Indoor Outdoor Indoor Outdoor Indoor Outdoor Indoor Outdoor Type Wall mounted Wall mounted Wall mounted Wall mounted Cooling Dehumidifying Heating Cooling Air Flow Volume Heating Cooling Noise Heating Power supply Cooling Rated input Heating...
  • Page 7 2.Technical Specification 2-3 Product Technical Specification Diagram Model Item Indoor Outdoor Indoor Outdoor Type Wall mounted Wall mounted Cooling Dehumidifying Heating Cooling Air Flow Volume Heating Cooling Noise Heating Power supply Cooling Rated input Heating Cooling Rated current Heating Cooling Input factor Heating...
  • Page 8 2.Technical Specification 2-3 Product Technical Specification Diagram(continue) Model Item Indoor Outdoor Indoor Outdoor Indoor Outdoor Indoor Outdoor Type Wall mounted Wall mounted Wall mounted Wall mounted Cooling Dehumidifying Heating Cooling Air Flow Volume Heating Cooling Noise Heating Power supply Cooling Rated input Heating...
  • Page 9 2.Technical Specification 2-3 Product Technical Specification Diagram Model Item Indoor Outdoor Indoor Outdoor Type Wall mounted Wall mounted Cooling Dehumidifying Heating Cooling Air Flow Volume Heating Cooling Noise Heating Power supply Cooling Rated input Heating Cooling Rated current Heating Cooling Input factor Heating...
  • Page 10 2.Technical Specification 2-3 Product Technical Specification Diagram(continue) Model Item Indoor Outdoor Indoor Outdoor Indoor Outdoor Indoor Outdoor Type Wall mounted Wall mounted Wall mounted Wall mounted Cooling Dehumidifying Heating Cooling Air Flow Volume Heating Cooling Noise Heating Power supply Cooling Rated input Heating...

  • Page 11: Operation Details

    Operation Details Remote Controller button The closing state of remote controller: This button can set room temperature. Press it once ,the temperature increases 1 .Press it continu- Mode display ously, the temperature increases at the speed of 4 /s. This function is invalid when the appliance at the Fan and Cool Dry Heat Wet Emission display Auto Auto mode.
  • Page 12 Operation Details Remote Controller(continue) 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 The opening state of remote controller: 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 13 Operation Details 3-2 Operation Method TIMER/CLOCK button Setting the ON/OFF timer time When remote controller is at the on/off state, Press this button , the LCD flickers the symbol. Press the + or - button to set the timer time. After finishing it, press this button again in 10 seconds to affirm.
  • Page 14 Operation Details 3-2 Operation Method(continue) 3.Press the + or - button, you can set the temperature range from 16 to 32 . 4.Press the FAN button, you can select fan speed from Low , Med , High , Auto . 2.Press the + or - button, you can set the temperature...

  • Page 15: Wiring Diagram

    4. Wiring Diagram 4-1 ASW- H 24B4/E*Indoor Unit...
  • Page 16 4. Wiring Diagram 4-2 ASW- H 18B4/E* Indoor Unit Black Fan Motor Fan Motor Capacitor Brown Orientation White Valve Overcurrent Protector Black Black Compressor Blue Blue Yellow Green Yellow Compressor Capacitor Yellow Brown Green Blue Black To Indoor Unit Black Fan Motor Fan Motor Capacitor...

  • Page 17: Troubleshooting Guide

    5.Troubleshooting Guide 5-1The Foremost Inspecting Items 1.The input voltage must be within +10% tolerance of the rated Voltage. If it is not the case, the air-conditioner will probably not work normally. 2.Check the connecting cord between indoor unit and outdoor unit to see if it is properly connected.
  • Page 18 5.Troubleshooting Guide 5-2 No Power Display 1.Items 1 Check if the input voltage is correct? 2 Check if the AC power supply connecting is correct? 3 Check if the output voltage of the manostat L7805(IC2)is correct? 2.Trouble shooting procedure Pull out the power plug and replug it after some 5 seconds Does the buzzer ring? Check the connection...
  • Page 19 5.Troubleshooting Guide 5-3 The Indoor Fan Motor Does Not Work 1.Items 1 Check if the indoor fan motor is connected correctly to the connector(CN8)? 2 Check if the AC input voltage is correct? 3 Check if the IC of indoor fan motor is connected correctly to the connector(CN2)? 4 Check if the capacity of indoor fan motor is connected correctly to the connector(CN8)? 2.Trouble shooting procedure Pull out the power plug and replug...
  • Page 20 5.Troubleshooting Guide 5-4 The Outdoor Unit Does Not Work 1.Items Check if the input voltage is correct? Check if the wire connection of the outdoor connecting terminal is correct? 2.Trouble shooting procedure Pull out the power plug and replug it after some 5 seconds Check refer to the 5-2 part Is the indoor controller normal? Is the output voltage of relay normal?
  • Page 21 5.Troubleshooting Guide 5-5 The Step Motor Does Not Work 1.Items Check if the input voltage is correct? Check if the step motor controlling the up-down movement firmly connected to Cn2? 2.Trouble shooting procedure Pull out the power plug and replug it after some 5 seconds Start the air-conditioner with remote control Confirm the procedure of Is the LED on the display board lighten?
  • Page 22 5.Troubleshooting Guide 5-6 Heating Mode Can Work, But No Hot Air Blow Check if the set temperature is lower than the indoor temperature? Check if the indoor PCB is connected to the terminal correctly? restarted in some 5 minutes Normal after the above problems solved The chip IC1fails Is the chip...
  • Page 23 5.Troubleshooting Guide 5-7 Remote Control Can Not Work Trouble shooting procedure Take out the batteries and reinsert them after 5 seconds Is the LED lighten? Check refer to the 5-2 part Is there music when the ON/OFF button was Normal pressed.
  • Page 24 5.Troubleshooting Guide 5-8 The Failure Analysis Of The Main Parts Part Analysis Measure resistance Environment temperature Heat exchanger Normal Resistance of transformer(K Abnormal Turn-off Short-cut Detecting the resistance between each connecting terminal Environment temperature Between Blue yellow Main Normal Blue red Auxillary The indoor Input...

  • Page 25: Explosion View And Parts List

    6. Explosion View And Parts List Explosion View Of Indoor Unit E-type E xplosion View Fig.1...
  • Page 26 6. Explosion View And Parts List 6-2 Parts List Indoor Unit MODE ASW-(H)09A4/E* ASW-(H)12A4/E*R ASW-(H)12B4/E*R1 Quantity Character Remarks Name Fig.1-01 Front panel Fig.1-02 Air filter Fig.1-03 Bolt cover Fig.1-04 Vane shelf assembly Fig.1-04a Vane Fig.1-04b Louver assembly Fig.1-04c Vane shelf Fig.1-04d Vane shelf foam Fig.1-04e...
  • Page 27 6. Explosion View And Parts List Explosion View Of Out door Unit Fig.2...
  • Page 28 6. Explosion View And Parts List 6. Explosion View And Parts List 6-4 Parts List Of Out door Unit MODE AS-(H)09A4/E* Quantity Remarks Code Name Character Cold-work steel Top cover Axial-flow fan leaves Outdoor motor Motor supporter Galvanized steel Condenser Steel wire fan guard Cover for electric unit Cold-work steel...
  • Page 29 6. Explosion View And Parts List 6. Explosion View And Parts List 6-4 Parts List Of Out door Unit MODE AS-(H)12A4/E* Quantity Remarks Code Name Character Cold-work steel Top cover Axial-flow fan leaves Outdoor motor Motor supporter Galvanized steel Condenser Steel wire fan guard Cover for electric unit Cold-work steel...
  • Page 30 6. Explosion View And Parts List 6. Explosion View And Parts List 6-4 Parts List Of Out door Unit MODE AS-(H)12B4/E* Quantity Remarks Code Name Character Cold-work steel Top cover Axial-flow fan leaves Outdoor motor Motor supporter Galvanized steel Condenser Steel wire fan guard Cover for electric unit Cold-work steel...
  • Page 31 6. Explosion View And Parts List 6-11 Explosion View Of Controller(In door Unit) Connection wire of display board 450 Sensor of indoor pipe 350 Sensor of indoor room 350 Fig.4...
  • Page 32 6. Explosion View And Parts List 6-12 Parts List Of Controller(Indoor Unit) PP white Indicator shelf PP white Receiver of remote control Display board Bolt Main control board Transformer TDB-6-B4 Black Bolt Spring gasket Bolt Yellow/green Grounding wire Interconnection wire Bolt Terminal board 25HN-3 Electrical control box...

  • Page 33: Refrigeration Cycle Diagram

    7.Refrigeration Cycle Diagram Indoor Unit Outdoor Unit Capillary Single-way vavle Two-way vavle Liquid side Auxillary capillary Evaporator Condensor Air side Two-way vavle 4-way vavle Cool Heat Compressor The gas leak checking point Fig.5...
  • Page 34 8.Function Exposition 8-1Terminologies and their denotation TA: Indoor environment temperature TE: Indoor evaporator temperature TS: Set temperature 8-2 Forced operation button a) When the air-conditioner is on, press this button you will turn it off; when the air-conditioner is off, press this button you will turn it on and it will run at automatic mode afterwards, then the indicator light will glint for 20 seconds until it runs at your selected mode.
  • Page 35 8.Function Exposition 8 4 Cooling mode The temperature is controlled by pressing the + or -button on the remote control between 16 C and 32 C.You can select fan speed from Low, Med, High, Auto. The 4-way valve will keep closed at this mode, and other status are demonstrated as follows: 1.When TA-TS>1 C and it is operated after the compressor protection duration ,the compressor and outdoor fan motor will be running;...
  • Page 36 8.Function Exposition 3.When first powered, the 3-minute protection will be off ,and the outdoor fan motor will run after the compressor keeps running for 2s; 4.When the indoor fan motor is running, the vane can be set move freely as the that of the cooling mode;...
  • Page 37 8.Function Exposition 9.the cold air prevention and remaining-heat expelling function The indoor fan speed is controlled by TE, the retails are as following: The cold air prevention function when the compressor is running: a)When TE is going up: when TE<25 C, the indoor fan motor will be off; when 25 C<TE<30 C, the indoor fan motor will run at slight speed;...
  • Page 38 8.Function Exposition The remaining-heat expelling function when the air-condition is powered off when TE>35 C, the indoor fan motor will run at slight speed; when TE<35 C, the indoor fan motor will be off, and it will keep expelling the remaining heat for no more than 10 seconds, during which the indoor fan motor will stop running immediately if TE<35 C.
  • Page 39 8.Function Exposition 3.1)the compressor runs totally for at least 3 hours; 2)the compressor keeps running for at least 20 minutes; 3)the difference between TE and TA is less than 16 C; 4.1)the difference between TE and TA is less than 16 C and lasts for 5 minutes; 2).the compressor runs totally for at least 45 minutes;...
  • Page 40 8.Function Exposition Sleeping function at cooling mode Set temperature Go down for 2 C Original set Another 2 C temperature Quit the sleeping function and powered off automatically) 8 11 Timer Function The longest timing interval is 24 hours( 1minute as the unit), and once the timer is set, it will not be changed even modes are shifted and the indicator will be lighten.
  • Page 41 8.Function Exposition If no impulse signal feedback from the indoor motor 10 second after it was filled with voltage, the controller will turn off automatically, 30 second later it will restart and impose voltage to the indoor motor again, if still no impulse signal were detected the controller will hold on, at the same time the digital tube will show the malfunction code as E4, if you turn off the power, the malfunction display will disappear.
  • Page 42 8.Function Exposition 8-15 Fan speed option The resistance of blowing option as below High Midium The instruction of contr ller of E series wall mounted type Remark: Quiet blowing speed, heating mode is 850r/min, while non heating mode is 800r/min; low speed is 650r/min.
  • Page 43 2) Quit the function a) press the corresponding button on the remote control one more time; b) Aim at the receiver of the controller, the remote control will send signal to the controller per 3s, if the controller can t receive signal from remote control, this function will quit automatically, TA will control temperature according to the TA sensor in the controller.

This manual is also suitable for:

Asw-12b4/e seriesAsw-12a4/e seriesAsw-h09a4/e seriesAsw-09a4/e seriesAsw-h12a4/e series

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