ecoclima EC-W/I-09QC-B Service Manual Download Page 16 | Manualshive

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3.2 Exploded view for outdoor unit

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Summary of Contents for EC-W/I-09QC-B

Page 1: ...Service manual INVERTER 50Hz R410A Split system EC W I 09QC B G W EC W I 12QC B G W EC W I 18QC B G W EC W I 24QC B G W ...

Page 2: ...2 CONTENTS 1 Range Conditions 3 2 Control Specifications 4 3 Exploded view 14 4 Refrigerant Flow Diagram 18 5 Circuit Diagram 19 6 Troubleshooting 21 7 Checking Electrical Components 27 ...

Page 3: ... temperature Rated Operating Conditions Indoor Temperature Outdoor Temperature Cooling 27 DB 19 WB 35 DB 24 WB Heating 20 7 DB 6 WB Tubing Length m 3 Max Operating Value Indoor Temperature Outdoor Temperature Cooling 32 DB 23 WB 52 DB Heating 27 24 DB 18 WB ...

Page 4: ...xceeds the prescribed value the outdoor controller will decrease the rotate speed of compressor in that case compressor can run at the speed by the order from indoor unit within the range of the current value does not exceed the prescribed value 2 1 5 High loaded prevention freeze prevention Indoor heat exchanger examines the condensation temperature of refrigerant when the unit is in heating oper...

Page 5: ... During the course of heating beginning or defrosting namely when the unit is in the pause condition the blades are in fixed position to avoid blowing cold airflow because of the too low temperature of indoor evaporator Only when the temperature of evaporator is higher than 32 will the unit enter normal control 2 4 Cooling 2 4 1 Indoor blower control The fan speed can be set as high medium low and...

Page 6: ...p operation Rotary speed of fan motor medium level or low level Rotary speed of compressor decrease The set temperature will increase 1 automatically after running for 1 hour After running for about 1 hour the set temperature will increase 1 After running for another 1 hour the set temperature will go on increasing 1 The temperature will not increase when the set temperature is higher than the pre...

Page 7: ...ontrol Indoor pipe coil temperature sensor examines evaporator temperature if temperature exceeds the prescribed value the frequency does not increase if temperature exceeds upper limit value the rotary speed of compressor will be gradually decreased to avoid too high heat load if temperature is lower than the prescribed value the frequency does not decrease if temperature is lower than lower limi...

Page 8: ...ny of the following condition 1 Outdoor heat exchange is higher than the prescribed value 2 Outdoor heat exchange is higher than the prescribed value for a consecutive period of time 3 Time of defrosting is longer than the longest time of prescribed time 2 5 6 3 Defrosting note 2 5 6 3 1 Machine will not stop when the compressor frequency doesn t go up to 80Hz switched to non heating mode after en...

Page 9: ...r frequency control A Frequency range of compressor is 25 100Hz B Original frequency of compressor Set by original indoor temperature and surroundings temperature C Running frequency of compressor is controlled by artificial intelligence 2 6 Smart function The unit will judge the operation mode automatically after receiving the SMART signal 2 6 1 Original set temperature Choosing indoor temperatur...

Page 10: ... Automatic restart This function refers to When the electricity comes again after power failure the unit is required to get back to the condition before power failure automatically The mode set temperature air refresh sleep lock for the safety of children humidification and air ventilation all keep in the same condition before power failure This function can be set or cancelled through EEPROM devi...

Page 11: ...ncelled If user turn on the air conditioner by pressing on the on button on the remote controller before the set time then timing on function will be cancelled but the timing off function is still effective if the user turn of the air conditioner by pressing on emergency button before set time then the program timing control will be cancelled 2 8 5 Induction function of remote controller The remot...

Page 12: ... The red light on outdoor PCB will flash 5 time 12 Compressor overhead protection E0 The red light on outdoor PCB will flash 11 times 13 IPM over current protection E3 The red light on outdoor PCB will flash 12 times 14 IPDU current sensor no or failure E3 The red light on outdoor PCB will flash 12 times 15 IPDU position circuit failure E6 The red light on outdoor PCB will flash 19 times 16 Compre...

Page 13: ...Disconnect the power supply before replacing the UVC lamp 6 Doors and access panels with a UV radiation hazard symbol may have UVC spectral irradiance greater than 1 7 W cm2 and are equipped with an interlock switch to disconnect UVC lamp power for safety Don t go beyond 7 It is recommended to disconnect the power supply before opening doors and access panels with UV hazard symbols for user mainte...

Page 14: ...14 3 Exploded view 3 1 Exploded view for indoor unit ...

Page 15: ...ric control box board metal 10 Stepping motor 31 Cover of electirc control box 11 Blade 32 Transformer 12 Wall Mounting frame 33 Terminal board 13 Pipe pressure plate 34 Wire pressure plate 14 Drainage pipe subassembly 35 Electirc control box 15 Stepping motor 36 P C B assembly 16 Crossflow fan 37 Electric control box metal shell 17 Motor Bracket bottom 38 Power line 18 Fan motor 39 Room temperatu...

Page 16: ...16 3 2 Exploded view for outdoor unit ...

Page 17: ...7 Metal support 8 partition board 9 Top cover assembly 10 condenser subassembly 11 rear net cover 12 Sensor holder 13 capillary subassembly 14 outdoor electric control subassembly 15 Platen 16 Terminal seat 17 Electrical inseallation board Electrical inseallation board 18 reactor 19 electric cover subassembly 20 Valve mounting plate 21 Lateral plate assembly 22 cut off valve 3 8 cut off valve 1 4 ...

Page 18: ... 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 ...

Page 19: ...19 5 Circuit Diagram 5 1 Electrical wiring diagram for indoor unit To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts Warning ...

Page 20: ...20 5 2 Electrical wiring diagram for outdoor unit To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts Warning ...

Page 21: ...wer supply To check whether the power supply is in the specified range 220 10 To check whether the power supply is being supplied 6 1 4 Check connector and lead wire of indoor and outdoor units To check whether the insulating cover of the lead wire is damaged To check whether the lead wire and the connector are connected well To check wires High voltage will result in electric shock or death Alway...

Page 22: ...lock of outdoor unit And measure insulation resistance of outdoor unit Poor insulation performance No Measure the insulation resistance of the electric parts of outdoor unit Check the rated power of fuse Check the resistance of indoor fan motor coil Check the resistance of transformer coil Replace it with a proper one Replace indoor fan motor Replace transformer No No No Yes Yes Disconnect unit wi...

Page 23: ...20V 10 PCB Ass y of indoor unit is defective Outdoor unit is defective Yes Ok No voltage indication Check power supply Check if something residue cover on transmitting part of the remote controller 1 Power failure 2 Check the breaker Clean it Check if infrared receiver on indoor unit is dirt Clean it Check fuse on indoor PCB Ass y Check the resistance of fan motor coil of indoor unit Parts of indo...

Page 24: ...louver motor coil Check the connector Check the fan rotation Check if foreign matter is in the fan cover Check if fan motor is broken or foreign matter in bearing Measure the resistance of motor coil Check the capacitor of the fan motor Ok Ok Not rotate Check the fan rotation Check if foreign matter is in the fan cover Check if fan motor is broken or foreign matter in bearing Measure the resistanc...

Page 25: ... voltage is too low Overload protector activates The temperature of compressor is too high Refrigerant is not enough Fill it Rotor may be blocked Yes No Remote controller may be detective Measure the coil resistance of 4 way reversing valve Check the voltage between terminal No 5 and N0 2 on the terminal block AC220 Ok 4 way reversing valve is defective PCB Ass y of indoor unit is in error NO volt...

Page 26: ...e valve is not open completely Open it completely Air circulating capacity is not enough The air filter is blocked Clean it 4 way reversing valve fails Replace it Fan running speed is at low Change it to high or medium Connection between indoor and outdoor units is in poor thermal insulated Wide and narrow tubes are thermal insulated separately Cooling air flow 4 way reversing valve is defective R...

Page 27: ...ponents 7 1 Measure insulation resistance The insulation is in good condition if the resistance exceeds 2 M Ω 7 1 1 Power supply wires Clamp the ground pins of the power plug with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of the power wires Fig 1 Then measure the resistance between the ground wire and the other power wire Fig 1 7 1 2 ...

Page 28: ... from the electrical component box Then pull out the fuse from the PCB ass y Fig 5 Check for continuity using a multimeter as shown in Fig 6 7 3 Checking motor capacitor Remove the lead wires from the capacitor terminals and then place a probe on the capacitor terminals as shown in Fig 7 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum v...

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