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When AUTO RUN mode is selected, the setting temperature will not be displayed on the 
LCD, the unit will be in accordance  with the room temp. automatically to select the suitable 
running method and to make ambient comfortable.

About turbo function

If start this function, the unit will run at super-high fan speed to cool or heat quickly  so that
the ambient temp. approachs the preset temp. as soon as possible.

Press +and - buttons simultaneously to lock or unlock the keyboard. If the remote controller 
is locked, the icon
flicker for three times. If the keyboard is unlocked, the mark will disappear. 

About switch between Fahrenheit and Centigrade

Under status of unit off, press MODE and

-

buttons simultaneously to switch

ć

  and 

̧

.

It indicates: after starting this function by remote controller and the unit has been under 

defrost status, If turn off the unit by remote controller, the unit will not stop defrosting until 
it is finished; if change setting mode by remote controller, the function ,which is set last 
time, won't be carried out until defrosting finished.

Operation of this function on or off: If remote controller is under off status, press mode button 
and blow button simultaneously in order to enter or cancel this new function. If the unit is under 

defrost mode, dual eight position on remote controller will display H1.If switch to heat mode,
the position will display H1, which flickers for 5s, in which case, press  +/- button, H1 will 
disappear and  setting temp. be displayed. 
After remote controller is powered  on  , the new defrost function will be  defaulted to be 

closed.

ƾ

ƾ

ƾ

ƾ

ƾ

About lock

About AUTO RUN

About new function of defrosting

 (The appliance of the defrosting function is unavailable.)

        will be displayed on it, in which case, press any button, the mark will

4.

2.
3.

ƾ


Take out the old batteries. (As show in figure)

 Insert two new AAA1.5V dry batteries, and pay attention to the polarity. 

 (As show in figure)

 Attach the back cover of wireless remote control. (As show in figure)

When changing the batteries, do not use the old or different batteries,

If the wireless remote control will not be used for a long time, please 

otherwise, it can cause the malfunction of the wireless remote control.

take them out, and don't let the leakage liquid damage the wireless 

remote control.

The operation should be in its receiving range.

It should be placed at where is 1m away from the TV set or stereo sound sets.

If the wireless remote control can not operate normally, please take them out, 

 after 30s later and reinsert, if they cannot normally run, please change them.

Sketch map for 

changing batteries

NOTE:

Changing batteries and notices

1. Slightly to press the placetwih,    along the arrowhead directionto push the   

back cover of wireless remote  control. (As show in figure)

Summary of Contents for AMC-12AN

Page 1: ...SERVICE MANUAL AMC 12AN MOBILE SERIES ...

Page 2: ......

Page 3: ...Summary and features MODEL AMC 12AN FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF BLOW HOUR HUMIDITY ON OFF MODE FAN BLOW TURBO TEMP TIMER SLEEP LIGHT YB1F2 ...

Page 4: ...ap 3 1 6 Coil length l x height H x coil width L 363X285X38 1 Swing Motor Model MP28GA Output of Swing Motor W 28 Fuse A PCB 3 15A Sound Pressure Level dB A H M L 58 56 52 Indoor Side EER C O P W W Energy Class Air Flow Volume m3 h H M L Dehumidifying Volume l h Total Capacity W Btu h Power Input W Rated Input W Rated Current A Function Rated Voltage Rated Frequency Model Product Code 2 Specificat...

Page 5: ...e Excessive Operating Pressure for the Discharge Side MPa Permissible Excessive Operating Pressure for the Suction Side MPa Output of Fan Motor W Fan Motor RLA A Fan Motor Capacitor ȝF Climate Type Sound Pressure Level dB A H M L Sound Power Level dB A H M L Defrosting Method Fan Motor Speed rpm H M L Rows Fin Gap mm Coil length l x height H x coil width L Fan Type Piece Fan Diameter mm Starting M...

Page 6: ...Model AMC 12AN Front Rear Air outlet Controller panel Handle Remote box Upper air inlet grille Air exhaust outlet Lower air inlet grille 3 Construction Views ...

Page 7: ...Outline and installation dimension Unit 460 Model AMC 12AN 4 Outline and installation Dimension ...

Page 8: ...5 Refrigerant System Diagram HEAT EXCHANGE EVAPORATOR COMPRESSOR ...

Page 9: ...Model AMC 12AN 6 1 Electrical wiring 6 Schematic Diagram ...

Page 10: ...6 2 Printed Circuit Board Models AMC 12AN 6 2 1 Dispay board TOP VIEW BOTTOM VIEW ...

Page 11: ...OOM Temperature for indoor pipe TUBE Swing motor SWING Compressor relau K201 Zero line copper fin N3 Transformer output TR OUT Zero line copper fin N1 N2 Protective tube FU201 Piezoresistance RV201 Transformer input TR IN Indoor fan motor FAN Outdoor fan motor FAN Kick motor control WATER Model AMC 12AN 6 2 2 Control board ...

Page 12: ...and down button below Press this button the running mode will change as Mode button MODE FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF BLOW HOUR HUMIDITY ON OFF MODE FAN BLOW TURBO TEMP TIMER SLEEP LIGHT could turn on or turn off the Up and down swing function When unit is turned off synchronously press and Up and down swing buttons it could be switched between the simpleness swing mode and station...

Page 13: ... off will stop flickering If the time of that no press timer button under flickering status is above 5s the timer setting will quit If the timer has been set press this button once again to quit it press this key once again to fix the time There is no this function for this unit If press this key the main unit will click but it also runs under original status Temp display button TEMP Save energy f...

Page 14: ... in the displayer When the LIGHT is on the icon will be displayed and the indi cators light in the displayer will be on When the LIGHT is off the icon will be disappeared and all the indicators light in the displayer will be off Light button LIGHT Press this button enter into SLEEP state when repressed it will quit The sleep function and FAN mode will be canceled with the stop of the unit There is...

Page 15: ...on to set Blow function on or off 5 Press TURBO button to set this function on or off Guide for operation optional operation Introduction for special function This function indicates that moisture on evaporator of indoor unit will be blowed after the unit About blow function is stopped to avoid mould 1 Having set blow function on After turning off the unit by pressing ON OFF button indoor fan will...

Page 16: ...position on remote controller will display H1 If switch to heat mode the position will display H1 which flickers for 5s in which case press button H1 will disappear and setting temp be displayed After remote controller is powered on the new defrost function will be defaulted to be closed ƾ ƾ ƾ ƾ ƾ About lock About AUTO RUN About new function of defrosting The appliance of the defrosting function i...

Page 17: ...mpressor is started the unit is off without the temperature change in 6min Ƶ Working conditions and process of cooling a When Tabm Tpreset 1ć 2 the unit will start to run in cooling mode the compressor and kick motor start to run and fan motor runs under preset fan speed b When Tabm Tpreset 1ć 2 the compressor and kick motor stop to run and fan motor runs under preset fan speed c When Tpreset 1ć 2...

Page 18: ...4 2 Med fan ć Tamb T preset Low fan b There is 3 5min delay for auto fan shift Ŷ TIMER Function Ɣ General timer a TIMER ON It can set timer on when the system is off the setting time range is 0 5h 24h when the time of setting timer on reaches and the system runs with the previous setting mode b TIMER OFF It can set timer on when the system is on the setting time range is 0 5h 24h when the time of ...

Page 19: ...compressor stops fan motor runs with setting fan speed When the anti freeze protection is canceled and reaches to the 3min time delay it runs with the original status Temperature sensor failure inspection e Environment temperature sensor is open short circuit dual 8 displays F1 the cooling indicator lamp goes out 3S and blinks 1 time and it will light up 0 5S and go out 0 5S when it is blinking f ...

Page 20: ...Failure Display Code Failure Name Dual 8 Display Indicator Lamp Repair Method 1 Environment temperature sensor is open short circuit F1 Cooling indicator lamp goes out 3S blinks 1 time and lights up 0 5S goes out 0 5S If loose text resistance value if normal by universal meter 2 Temperature sensor for indoor pipe temperature is open short circuit F2 Cooling indicator lamp goes out 3S blinks 2 time...

Page 21: ...utdoor unit is good Check the flow process of failure is Turn on the unit Display Display Replace control board Replace control board board control Replace Check if the indoor temperature sensor is connected tightly Check if the indoor temperature sensor s connected tightly i Replace temperaure sensor Replace temperaure sensor Adjust connection Adjust connection Failure is cancelled Failure is can...

Page 22: ...r level switch is damaged Check the flow process of failure is Turn on the unit Display H8 If the defrosting tray is over blow Refer to the indication of instruction to discharge the water of chassis Connection line of water level switch is tight Failure is cancelled Adjust connection Failure is cancelled Replace the switch of water level Failure is cancelled Replace control board End ...

Page 23: ... point ƽ If the motor does not rotate Check the flow process of failure is Turn on the unit Motor does not rotate If the connection line is tight Replace control board Adjust connection Failure is cancelled Failure is cancelled Replace control board Replace motor Failure is cancelled End ...

Page 24: ...k the switch of water level and circuit Turn on the fan and the compressor does not start up Turn on or turn off compressor frequently under cooling or dry mode abnormal anti freeze protection Filter is dirty Clean the filter The inlet and outlet port are blocked Move the barrier or move the unit ro empty place The rotational speed of fan is slow or fan does not rotate Check if the fan motor s sup...

Page 25: ...the connection wire of motor is loosen and failure for capacity or motor Set cooling dry mode but no cool air blow out Indoor temperature is less than preset temperature under cooling Normal phenomena adjust lower preset temperature Evaporator is frosting The system is defrost and abnormally runs after defrost Abnormal noise Sparepart is loose Bind the spareparts The fan is decentred Replace the f...

Page 26: ...t note need lift at full tilt because of clasps on both sides clasp display plate Disassemble front panel 1 Disassemble front panel unscrew the 7 screws of front panel lift the panel upwards to remove it 2 Separate panel after lift front panel remove the display of panel from clasp then the front panel can be separated 11 Removal Procedure ...

Page 27: ... 5 screws on the rear and both sides per 1 screw break the clasps of both sides outwards to remove the rear panel Disassemble electric box 1 Disassemble electric box unscrew the 3 screws of electric box cover to remove the electric box cover 2 After remove the electric box cover pull out the related electric wire cut the wire clip and unscrew the 3 screws of the electric box to remove the electric...

Page 28: ... whole subassembly Disassemble supporting plate Unscrew the related screws of supporting plate to remove the supporing plate middle inner cover Disassemble bottom duct subassembly Unscrew the screw of middle inner cover first then unscrew the 9 screws of bottom duct subassembly after unscrew the screw lift a little middle inner cover to remove the bottom duct subassembly ...

Page 29: ... motor fan Disassemble electric heating subassembly not valid for cooling unit 1 Disassemble electric heating shell unscrew the 4 screws of electric heating shell then it can be separated from top duct subassembly 2 Disassemble unscrew the 4 screws of electric heating subassembly to remove the electric heating subassembly step motor Disassemble protection grill nets 1 Disassemble step motor unscre...

Page 30: ...screw to remove the protection grill nets refer to the right diagram to see the screw position protection grill nets screw position Disassemble bottom duct motor 1 Disassemble propeller housing unscrew the 4 screws of propeller housing to remove the propeller housing 2 Disassemble fan bottom unscrew the nut of a fan and remove the two gaskets to remove the fan 3 Disassemble motor after remove the ...

Page 31: ...ssor and remove the related gasket to remove the compressor Disassemble kick motor subassembly Unscrew the 2 screws on the outside bottom of subassembly to remove the kick motor subassembly Disassemble liquid level switch Unscrew the 2 screws of subassembly to remove the liquid level switch ...

Page 32: ...PARTS GUIDE AMC 12AN MOBILE SERIES ...

Page 33: ... ...

Page 34: ...9 1 Exploded View Model AMC 12AN ...

Page 35: ...21 Gear Sub Assy 10546005 1 AC 22 Centrifugal Fan 10316058 1 AM 23 Guide Louver 1 10516051 1 AD 24 Guide Louver 2 10516052 1 AD 25 Diversion Circle upper 10376035 1 AE 26 Stepping Motor 1521210301 1 AF 27 Left Axile Bush 10512037 3 AB 28 Mid Clapboard 20056095 1 AL 29 Water Tray 20186072 1 AM 30 Evaporator Assy 01006050 1 BH 31 Filter Sub assy 11126011 1 AD 32 Rear Plate Sub Assy 20056105 1 AU 33 ...

Page 36: ... Water Level Switch 45010211 1 AL 54 Castor 24236051 4 AC 55 Motor Sub assy Flutter 15006032 1 AZ 56 Fan Motor 150162122 1 AX 57 Pump Fan 10336003 1 AL 58 Exhaust Pipe Sub Assy 05236034 1 AT 59 Rear Clip 2611601001 1 AF 60 Remote Controller 305100611 1 AT 61 Power Cord 400204648 1 AF 62 Drain Pipe 05230013 3 Crank 10582070 1 Tie in 1 06646021 1 Joint3 26116064 1 Foam Propeller Housing 12316036 1 P...

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