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Sinclair AMC-15A, Service Manual

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Sinclair AMC-15A Service Manual Download Page 20

19 

Electronic function

 

 

 

system will be off. All the power will be off. Signal will be turn into E4. If the water full signal 

is off., the control system has to be pressed on or off to restart the operation 

10.8.4  E1:indicate the indoor temperature hot and 

resistance is in error

 thus control system will be off.  

10.8.5  E2:indicate the indoor temperature hot and 

resistance is in error

 thus control system will be off.  

10.8.6  Refrigerent leaking protection display as E3 

   
Compressor turn on, if the tolerance is 

≤

5

℃

 at between indoor temperature and fan coil after operation 

for 15 min.The compressor will be turn off, and upper fan system will be running at the set speed.The 
signal display E3 and press the power key or power off to clear this signal. 
 
 
 
 
 
 
 
 

Summary of Contents for AMC-15A

Page 1: ...SERVICE MANUAL AMC 15A MOBILE SERIES ...

Page 2: ......

Page 3: ...11 Step1 Casing Disassembly 11 Step2 Internal Parts Disassembly 12 Exploded 13 Feature 16 Parts of the Air Conditioner 16 Accessories 16 Electronic function 17 Function 17 Controller Specifications 17 Controller Structure 17 Sensor Definitions 17 Mode 17 Timer Settimg 19 Sleep 19 Protection function 19 Basic test procedure 21 Defective compressor 21 Sealed refrigeration system repairs 22 Fan motor...

Page 4: ...roduct is not be used for a long time disconnect the power supply plug or turn off the breaker 1 2 Caution Always check for gas refrigerant leakage after installation or repair of product Install the drain hose to ensure that water is drained away properly Keep level even when installing the product Do not install the product where the noise or hot air for the outdoor could damage the neighborhood...

Page 5: ...e Do not mix old and mew batteries or different types of batteries Do not recharge or disassemble the batteries Do not dispose of batteries in a fire If the liquid from the batteries gets onto your skin or clothes wash it well with clean water Do not use the remote of the batteries have leaked ...

Page 6: ...y W 3349W 5 Input W 1220W 5 Rated current RLA A 5 9A 5 Locked rotor Amp LRA A 27 4A 5 Thermal protector B220 150 141C Capacitor 30uF 450VAC Refrigerant oil CC 270 Fan Motor Inner Motor Outer Motor Model 78 3 AL 71 3 AL Input W 100 90 81 114 Capacitor 3uF 3 5uF Speed hi mi lo 50 Rpm 1100 1000 900 1100 Evaporator Number of rows 3 Tube pitch a x row pitch b mm 21x19 7 Fin spacing FPI 18 Fin type code...

Page 7: ...4 Out dimension 3 Out dimension ...

Page 8: ... to a minimum temperature of 17 C Pressing this button in heating function adjusts the required room temperature by 1 C to a minimum temperature of 15 C 5 LED DISPLAY The display shows the current ambient temperature in operation By pressing the TEMP or TEMP buttons the required target temperature is displayed When pressing the timer button TIMER the number of hours is shown until delayed start up...

Page 9: ...ncelled the unit turns on and can be operated in the required operating mode How to program a delayed shutdown This function is used to set the number of hours delay before the appliance goes off Proceed as follows Start the unit in required function cooling heating or dehumidifying Press the TIMER button during operation and enter the required number of hours delay before the appliance goes off A...

Page 10: ...7 Refrigerant cycle diagram 5 Refrigerant cycle diagram The figure below is a brief description of the important components and their function in what is called the refrigeration system ...

Page 11: ...6 PCB drawing wiring diagram The below picture is PCB schematic 800161 0Y 4 5 The below picture is PCB Drawing 800161 0Y 4 5 Water full switch Inner Motor Switch 10 pin plug Display Inner Tempreature Sensor OuterTempreature Sensor ...

Page 12: ...9 PCB drawing Wiring diagram The below picture is Display schematic 800145 BY 1 The below picture is Display Drawing 800145 BY 1 ...

Page 13: ...10 PCB drawing Wiring diagram The below picture is PCB Layout 800161 0Y 4 5 The below picture is Display Layout 800145 BY 1 Wiring Diagram ...

Page 14: ...re 7 Unit Disassembly sequence 7 1 Step1 Casing Disassembly disassemble hot and cool air louver and unscrew the casing of front panel side panel and top panel disassemble Filter and unscrew screws screws screws ...

Page 15: ...trip Disassembly steps for water motor please dismantle the screws of condensor slide up the partition panel and then slow take out the condensor from the left hand side From there you can see the water motor Caution please be note that in order to avoid any water split by water wheel you should uphold the condensor screws screws Water motor Water wheel ...

Page 16: ...25 Characteristic of temperature sensor 12 Characteristic of temperature sensor ...

Page 17: ...l system working temperature range 10 60 storage temperature range 20 70 relative humidity range 35 98 10 2 3 temperature sensor R25 50 5K B 3470 temperature precision 1 10 2 4 display ambient temperature 10 2 5 For Fahrenheit switching please press function key for 10 s during the stand by mode 10 3 Controller Structure The control systems are consist of remote control internal control display ma...

Page 18: ... 6 10 5 1 4 Cooling mode lower fan system is working together with compressor 10 5 2 Dehumidification mode DH display 10 5 2 1Upper fan system is operated in low fan Lower fan is working together with the compressor 10 5 2 2 Dehumidification mode A Indoor temperature 0 compressor will be off B 0 indoor temperature 20 compressor will be on for 15 min and stop for 3 min C indoor temperature 20 compr...

Page 19: ...part from this the temperature will not be rise up anymore 10 7 2 To set the sleep mode under the heating setting To increase this setting press the down button and for each press the temperature will be decreased by 1 continually the temperature will be decrease to 2 after the 2 hours operation Apart from this the temperature will not be rise up anymore 10 7 3 It is confirmed that there is no sle...

Page 20: ...rror thus control system will be off 10 8 5 E2 indicate the indoor temperature hot and resistance is in error thus control system will be off 10 8 6 Refrigerent leaking protection display as E3 Compressor turn on if the tolerance is 5 at between indoor temperature and fan coil after operation for 15 min The compressor will be turn off and upper fan system will be running at the set speed The signa...

Page 21: ...place compressor Terminal R and S no continuity Open winding replace compressor 11 1 2 Ground test Use an ohmmeter set on its highest scale Touch one lead to the compressor body clean point of contact as a good connection is a must and the other probe in turn to each compressor terminal see Figure 2 If a reading is obtained the compressor is grounded and must be replaced 11 1 3 Checking the compre...

Page 22: ...ent recycling 4 Dirty condenser 11 1 5 Terminal overload internal Some model compressors are equipped with an internal overload The overload is embedded in the motor windings to sense the winding temperature and or current draw The overload is connected in series with the common motor terminal Should the internal temperature and or current draw become excessive the contacts in the overload will op...

Page 23: ...r CFCs in system to at least 5 2 Cut the process tube below pinch off on the suction side of the compressor 3 Connect the line from the nitrogen tank to the suction process tube 4 Drift dry nitrogen through the system and unsolder the more distant connection first Filter drier high side process tube etc 5 Replace inoperative component and always install a new filter drier Drift dry nitrogen throug...

Page 24: ...terminals on the rotary are in a different order than the reciprocating compressors The terminal markings are on the cover gasket Use your wiring diagram to insure correct connections 11 2 6 Refrigerant charge 1 The refrigerant charge is extremely critical It must be measured charge carefully as exact as possible to the nameplate charge 2 The correct method for charging the rotary is to introduce ...

Page 25: ...Run capacitor hook up line side of the capacitor is marked with a red dot and is wired to the line side of the circuit 11 4 1 Capacitor test 1 Remove capacitor from unit 2 Check for visual damage such as bulges cracks or leaks 3 For dual rated apply an ohmmeter lead to common C terminal and the other probe to the compressor HERM terminal A satisfactory capacitor will cause a deflection on the poin...

Page 26: ...25 Characteristic of temperature sensor 12 Characteristic of temperature sensor ...

Page 27: ... Power supply cord Check voltage at the power cord terminal on Main PCB Replace the power cord if none Transformer Discharge transformer before testing Check resistance between the two input output lines on transformer Replace the transformer if either of the input output is open or the transformer is damaged Wire disconnected or connection loose Connect wire Refer to wiring diagram for terminal i...

Page 28: ...pillary tube and make the evaporating temperature appropriate if the evaporator is frosted Replace if blocked Repair joint if leaking Compressor The inlet and outlet valve of the compressor is damaged making the low pressure connected with the high pressure The refrigerating system can not produce high pressure and low pressure Replace the compressor after checking for the reason Cooling or heatin...

Page 29: ... Abnormal dipslay Connection problem between Connetion being good Power source proble Check main pCB Check if water full or not Micro switch problem Replace micro switch Main PCB damage Repair and replacement Trouble shooting finish Repair and replacement Water drainage Water full after running Checking wiring Replace ok Water pump damaged Check electrical wiring Water pump damaged replacement Wat...

Page 30: ...V 7805 13V input rate 78055V output PCB damaged Power source Checking fuse Replacing fuse Replacing fuse Fan coil damaged Senor of fan coil damaged Transformer damaged Damage in diode 7805 damaged Main PCB daagemd Electrical wiring back to normal Plug in replac ement replac ement replac ement replac ement OK Fuse damaged With E1 signal compressor off Sensor wire off Temperature sensor damaged Plug...

Page 31: ...PARTS GUIDE AMC 15A MOBILE SERIES ...

Page 32: ......

Page 33: ...Exploded view of model AMC 15A ...

Page 34: ...LOWER RIGHT TOP 410253 AY 1 X AP 28 CAP 3 0uFx450VAC 730049 00XY AE 29 CAP 3 5uF 450V 730052 0Y 1 AE 30 MOTOR BRACKET 110276 0Y 1 AH 31 OUTER MOTOR 720071 0Y 3 AL BA 32 INNER MOTOR 720078 0Y 3 AL AZ 33 DISPLAY PCB 800145 BY 1 Q AS 34 CONTROL PANEL 210577 0Y 1 H AL 35 PACKING TOP PSF 410283 0Y 1 AH 36 MAIN PCB 800161 0Y 4 5 Q AX 37 Clip for capacitor 190004 0B4Y AB 38 CAPACITOR 30uF 450VAC 730002 2...

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