AUX ASW-H12B4/E Series Service Manual

Text of AUX ASW-H12B4/E Series User Guide:

• AUX ASW-H12B4/E Series, 20 5.Troubleshooting Guide 5-5 The Step Motor Does Not Work 1.Items 1) Check if the step motor controlling the up-down movement firmly connected to Cn2? Check if the input voltage is correct? 2) 2.Trouble shooting procedure Pull out the power plug and replug it after some 5 seconds Is the LED on the display board lighten? Does the louver move up and down after pressing the SWING button on the remote control? Is there any voltage change between the chips #23,#22,#20,#19 Is there any voltage change between 10~13 of the the chip ULN2003AFW The step motor fails Start the air-conditioner with remote control Confirm the procedure of the 5-2 part Normal The chip IC1fails Drive chip

• 5-1The Foremost Inspecting Items 16 5.Troubleshooting Guide 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. The connecting must be done according to

• AUX ASW-H12B4/E Series, 3. Operation Details 3-2 Operation Method Press the button once more, The symbol disappears, the function is cancelled at the same time. Adjusting the clock time / off on Press this button in 5 seconds Under the state of no timer setting , 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. If not, this operation is invalid. - button Adjusting clo

• AUX ASW-H12B4/E Series, MODE AS-(H)12A4/E* 1 28 6. Explosion View And Parts List6. Explosion View And Parts List 6-4 Parts List door UnitOf Out Code Name Quantity Remarks Character Top cover Axial-flow fan leaves Outdoor motor Condenser Steel wire fan guard Cover for electric unit Right-hand board Capillary assembly Capacitor strip Terminal board Capacitor for compressor Clamping plate for interconnection cord 4-way assembly Discharge pipe for compressor Suction pipe for compressor Valve board Two-way valve(Dg10-I) There -way valve(Dg4) Base Panel Fan guard Damp

• AUX ASW-H12B4/E Series, 2-3 Product Technical Specification Diagram Item Model Type Performance Cooling Dehumidifying Heating Air Flow Volume Noise Power supply Rated input Rated current Input factor Starting current Power supply cord Length Type Fuse capacity dimen- sion D*W*H Net weight Connection pipe Liquid Gas Drain pipe Compressor Type MotorMotor Type Rated input Rated input Fan motor Type Type Heat exchanger(row*line Refrigerant controller Freezed oil capacity Refrigerant/Charge(g) Protection equipment Cooling test condition Max.Cooling test condition Heat ing test condition Max.Heat ing test condition Input Dimension Ind

• AUX ASW-H12B4/E Series, 9 2-3 Product Technical Specification Diagram(continue) Type Performance Cooling Dehumidifying Heating Air Flow Volume Noise Power supply Rated input Rated current Input factor Starting current Power supply cord Length Type Fuse capacity dimen- sion D*W*H Net weight Connection pipe Liquid Gas Drain pipe Compressor Type MotorMotor Type Rated input Rated input Fan motor Type Type Heat exchanger(row*line Refrigerant controller Freezed oil capacity Refrigerant/Charge(g) Protection equipment Cooling test condition Max.Cooling test condition Heat ing test condition Max.Heat ing test condition Input Dimension Indoor Indoor

• AUX ASW-H12B4/E Series, 3. Operation Details 3-1 Remote Controller 10 + button This button can set room temperature. Press it once ,the temperature increases 1 .Press it continu- ously, the temperature increases at the speed of 4 /s. This function is invalid when the appliance at the Fan and Auto mode. Press the button, the horizontal airflow direction plate can adjust automatically. When you have the desired wind direction, please press it again, the airflow direction plate will stop at the situation. SWING button FAN button Remark: The floor standing type select fan speed only fr

• AUX ASW-H12B4/E Series, 1 37 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. a).heating mode when TE >57 C for 10s,the outdoor fan motor will be off; when TE>64 C for 10s,the compressor w

• AUX ASW-H12B4/E Series, MODE ASW-(H)09A4/E* ASW-(H)12A4/E*R ASW-(H)12B4/E*R1 25 6. Explosion View And Parts List 6-2 Parts List Indoor UnitOf Air filter Bolt cover Face frame Vane Louver assembly Vane shelf Vane shelf assembly Evaporator holder Rubber bearing mount Through-flow fan leaves Base Base foam Installation plate Electrical control box Transformer Receiver of remote control Auxillary PCB Main PCB Cover for electrical control box Light holder for indicator Clamping board for pipe Name Character Quantity Remarks Front panel Vane shelf foam Step motor Pipe

• AUX ASW-H12B4/E Series, 19 5.Troubleshooting Guide 5-4 The Outdoor Unit Does Not Work 1.Items 1) Check if the wire connection of the outdoor connecting terminal is correct? Check if the input voltage is correct? 2) 2.Trouble shooting procedure Pull out the power plug and replug it after some 5 seconds Is the indoor controller normal? Check refer to the 5-2 part The relay fails Replace the relay The outdoor unit is abnormal Is the output voltage of relay normal? Is the connection on the terminal correct ? wire

• AUX ASW-H12B4/E Series, 1 31 6. Explosion View And Parts List 6-12 Parts List Of Controller(Indoor Unit) Display board Receiver of remote control Indicator shelf Bolt Main control board Transformer TDB-6-B4 Nut Spring gasket Interconnection wire Grounding wire Terminal board 25HN-3 Electrical control box Bolt Clamping board Bolt Receiver board Power supply cord Code Name Quantity Material Remark NO Black Yellow/green Bolt Bolt Bolt Red PP white PP white 09:1.0mm 12:1.5mm 2 2 ABS(gray) 6 2 8 3 13 3 6.5 Receiver board shelf

• AUX ASW-H12B4/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 Split type Wall Mounted Air Conditioner E series

• 1h 2h 1 39 Set temperature Original set temperature 7h(Quit the sleeping function and powered off automatically) Go down for 2 C Another 2 C Sleeping function at cooling mode Causes Display Failures Stop running Stop running Stop running Pg abnormal feedback Ta abnormal Te abnormal When the air-conditioner fails, the LED on the display plate will display the relevant failure code.

• AUX ASW-H12B4/E Series, 23 5.Troubleshooting Guide 5-8 The Failure Analysis Of The Main Parts Part Analysis Main Above 300 Around 120 Step motor Heat exchanger The indoor fan motor The outdoor fan motor Environment temperature Measure resistance Normal Abnormal Normal Abnormal Normal Abnormal Normal Abnormal Normal Abnormal Resistance of transformer(K Turn-off Short-cut Detecting the resistance between each connecting terminal Environment temperature Between Blue yellow Blue red Auxillary Input Turn-off Short-cut Detecting t

• AUX ASW-H12B4/E Series, 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 4 for 220V-240V~/50Hz 5 for 380V-415V-3~/50Hz 6 for 380V-3~/60Hz 7 for 208V-230V~/50Hz 8 Type(For more details refer to 1-1) 9 Refrigerant Default for R22 R for R407c R1 for R410a 4 2.Technical Specification

• AUX ASW-H12B4/E Series, 1 36 8.Function Exposition 9.the cold air prevention and remaining-heat expelling function Fig.7 Fan motor off Slight speed (650 turns) Fan motor off (PG motor) Copper pipe temperarure Fan motor off Slight speed Quiet air-flow Set fan speed (650 turns) Quiet air-flow Slight speed (650 turns) Fan motor off Fig.6 The function when the compressor is off: a) when TE is going down when TE>25 C, the indoor fan motor runs at slight speed; when TE<25 C,the indoor fan motor will be off; b)when TE is going up when TE>28 C, the indoor fan motor runs at slight speed; when TE<28 C, the indoor fan motor will be off. The indoor fan speed is controlled by TE, the retails are as

• AUX ASW-H12B4/E Series, MODE AS-(H)09A4/E* 1 27 6. Explosion View And Parts List6. Explosion View And Parts List 6-4 Parts List door UnitOf Out Code Name Quantity Remarks Character Top cover Axial-flow fan leaves Outdoor motor Condenser Steel wire fan guard Cover for electric unit Right-hand board Capillary assembly Capacitor strip Terminal board Capacitor for compressor Clamping plate for interconnection cord 4-way assembly Discharge pipe for compressor Suction pipe for compressor Valve board Two-way valve(Dg10-I) There -way valve(Dg4) Base Panel Fan guard Damping gasket Compressor Wind-fending standing bo

• AUX ASW-H12B4/E Series, 5-7 Remote Control Can Not Work 22 5.Troubleshooting Guide Trouble shooting procedure Take out the batteries and reinsert them after 5 seconds Is the LED lighten? Is the voltage of batteries lower than 2.5V? Is the LCD display normal? Is there any change on the voltage of chip IC1? Is there any change on the voltage Q1? Is there any change on the voltage LED? The receiver fails Normal Replace batteries LCD fails Replace buttons The chip fails Replace audion Emission tube fails Check refer to the 5-2 part Is there signal when the ON/OFF bu

• 1 33 8.Function Exposition TA: Indoor environment temperature TE: Indoor evaporator temperature TS: Set temperature 8-1Terminologies and their denotation 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

• AUX ASW-H12B4/E Series, 7 2-3 Product Technical Specification Diagram(continue) Type Performance Cooling Dehumidifying Heating Air Flow Volume Noise Power supply Rated input Rated current Input factor Starting current Power supply cord Length Type Fuse capacity dimen- sion D*W*H Net weight Connection pipe Liquid Gas Drain pipe Compressor Type MotorMotor Type Rated input Rated input Fan motor Type Type Heat exchanger(row*line Refrigerant controller Freezed oil capacity Refrigerant/Charge(g) Protection equipment Cooling test condition Max.Cooling test condition Heat ing test condition Max.Heat ing

• AUX ASW-H12B4/E Series, 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. How to order spare parts To have your order filled promptly and correctly, please

• AUX ASW-H12B4/E Series, 5-6 Heating Mode Can Work, But No Hot Air Blow 21 5.Troubleshooting Guide 1) Check if the indoor PCB is connected to the terminal correctly? Check if the set temperature is lower than the indoor temperature? 2) Normal The chip IC1fails The chip IC3fails The chip IC4 ( failsULN2003A Replace relay(RY3) Replace PCB Is the chip voltage DC5.0V?IC1#7 Is the chipIC1#2 voltage high? Is the voltage at the connecting point of chipIC4(ULN2003A)low? Is relay output normal? The interconnection cord or the 4-way valve is abnormal Check the interconnection cord or replace the 4-way valve restarted in some 5 minutes after the above problems solved

• AUX ASW-H12B4/E Series, 3. 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 . 1. 2. 2.Press the + or - button, you can set the temperature range from 16 to 32 . 3.Press the FAN button, you can select fan speed from Low , Med , High , Auto . 2.Press the FAN button, you can select fan speed from Low , Med , High . 1 13

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