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SERVICE MANUAL

DC INVERTER MULTI TYPE

VWM0810H21

VWM1013H21

VWM1320H21

INDOOR DC INVERTER MULTI SERIES

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Summary of Contents for VWM0810H21

Page 1: ...SERVICE MANUAL DC INVERTER MULTI TYPE VWM0810H21 VWM1013H21 VWM1320H21 INDOOR DC INVERTER MULTI SERIES ...

Page 2: ...fety Precaution 1 1 2 Warning 1 2 Function 6 mm in 7 4 Wiring Diagram 9 5 Operation characteristics 10 6 Electronic function 11 6 1 Abbreviation 11 6 2 Display function 11 6 3 Main Protection 12 6 4 Operation Modes and Functions 13 ...

Page 3: ...he product there is risk of fire or electric shock Always ground the product There is risk of fire or electric shock Install the panel and the cover of control box securely There is risk of fire of electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fore or electric shock Use the correctly rated breaker of fuse There is risk of fire or electric s...

Page 4: ...of fire or electric shock Do not place anything on the power cable There is risk of fire or electric shock Do not plug or unplug the power supply plug during operation There is risk of fire or electric shock Do not touch operation the product with wet hands There is risk of fire or electric shock Do not place a heater or other appliance near the power cable There is risk of fire and electric shock...

Page 5: ... product damage Ventilate the product from time to time when operating it together with a stove etc There is risk of fire or electric shock Turn the main power off when cleaning or maintaining the product There is risk of electric shock When the product is not be used for a long time disconnect the power supply plug or turn off the breaker There is risk of product damage or failure or unintended o...

Page 6: ...r loss of property Do not block the inlet or outlet of air flow It may cause product failure Use a soft cloth to clean Do not use harsh detergents solvents etc There is risk of fire electric shock or damage to the plastic parts of the product Do not touch the metal parts of the product when removing the air filter They are very sharp There is risk of personal injury Do not step on or put anything ...

Page 7: ...nt types of batteries There is risk of fire or explosion Do not recharge or disassemble the batteries Do not dispose of batteries in a fire They may burn of explode 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 The chemical in batteries could cause burns or other health hazards The designs and inform...

Page 8: ...eration mode high med low breeze auto Indoor unit Operation by remote controller Sensing by temperature sensor Room temperature control Anti freezing control in cooling Time Delay Safety control Indoor fan speed control Two direction air vane Sleep mode auto control Independent dehumidification Air flow Direction control Auto mode Temp Compensation Flexible wiring connection Auto defrost Anti cold...

Page 9: ...sition of installation board L R H Dimension mm in Model W H D VWM1013H21 845 33 3 286 11 3 165 6 5 VWM1320H21 995 39 2 295 11 6 194 7 6 Model R mm in L mm in H mm in Dimension of installation hole mm VWM1013H21 186 7 3 150 5 9 45 1 8 φ65 7 ...

Page 10: ...Model R mm in L mm in H mm in Dimension of installation hole mm VWM1320H21 201 7 9 150 5 9 45 1 8 φ65 L R H 8 ...

Page 11: ...4 Wiring Diagram Indoor unit 12k 18k 9 ...

Page 12: ... above conditions certain safety protection features may come into operation and cause the unit to operate abnormally 2 The room relative humidity should be less than 80 If the air conditioner operates beyond this figure the surface of the air conditioner may attract condensation Please set the vertical air flow louver to its maximum angle vertically to the floor and set HIGH fan mode 3 The optimu...

Page 13: ...ng Timer operation CLEAN AIR display optional Illuminated when Ionizer is activated TURBO operation display Illuminated when select TURBO function in cooling operation or in heating operation DIGITAL DISPLAY Displayed the current setting temperature or malfunction code when the air conditioner is in operation When SELF CLEAN feature is activated it displays SC FAN SPEED display Displayed the selec...

Page 14: ... high for certain time the unit will stop and the LED will display the failure 6 3 3 Indoor fan delayed open function When the system starts up the louver will be active immediately and the indoor fan will open 10s later If the system runs in heating mode the indoor fan will be also controlled by anti cold wind function 6 3 4 Zero crossing detection error protection 12 ...

Page 15: ...e same as auto fan in cooling mode with 24 setting temperature 6 4 2 Cooling Mode 6 4 2 1 Compressor running rules The compressor will run at corresponding frequency according to the gross amendatory capacity demand Frequency Hz 0 COOL_F1 COOL_F2 COOL_F11 COOL_F12 Amendatory capacity demand 0 1 2 11 12 Meanwhile the maximum running frequency will be adjusted according to the outdoor ambient temp 4...

Page 16: ...ed as high medium low and auto Auto fan in cooling mode acts as follow 6 4 2 3 Evaporator low temperature T2 protection When T2 4 the indoor has no capacity demand and resume till T2 8 6 4 2 4 Outdoor fan running rules 22 20 High Low T1 Ts 3 5 High 3 0 1 5 Medium 1 0 Low 14 ...

Page 17: ...z 0 HEAT_F1 HEAT _F2 HEAT _F11 HEAT _F12 Amendatory capacity demand 0 1 2 11 12 6 4 3 2 Indoor fan running rules Indoor fan speed can be set as high medium low or auto fan and the anti cold wind function is preferential For 9k 12k For 18k T2 44 38 Setting 37 Low 34 33 Breeze 24 17 Super Breeze Off T2 44 Setting 39 Med 36 35 Low 32 Breeze 24 Supper Breeze 17 Off 15 ...

Page 18: ...s 6 4 3 3 High evaporator coil temp T2 protection If T2 63 the indoor unit has no capacity demand and resume till 48 6 4 3 4 Defrosting mode Condition of defrosting T3 TCDIN and lasts for 40 minutes TCDIN 2 Defrosting action T1 Ts 2 5 Low 2 0 Medium 1 5 1 0 High 16 ...

Page 19: ...ing mode T3 TCDE TCDE 15 The defrosting time achieves 10min 6 4 4 Auto mode This mode can be chosen by remote controller and the setting temperature can be changed between 17 30 In auto mode the machine will choose cooling heating or fan only mode according to ΔT ΔT T1 Ts For 12k ΔT T1 Ts Running mode ΔT 1 Cooling 1 ΔT 1 Fan only ΔT 1 Heating For 18k ΔT T1 Ts Running mode ΔT 1 Cooling 1 ΔT 1 Fan o...

Page 20: ...6 4 6 1 Enter forced operation function Press the touch button continually the AC will run as below sequence When the machine is off pressing the touch button will carry the machine to forced auto mode after this if pressing the button once again the machine will turn into forced cooling mode In forced cooling mode pressing touch button will turn off the machine 6 4 6 2 In forced operation mode al...

Page 21: ...e setting time the timer LED will be off and the AC running mode has not been changed 6 4 7 7 The setting time is relative time 6 4 8 Sleep function mode 6 4 8 1 Operation time in sleep mode is 7 hours After 7 hours the AC quits this mode and turns off 6 4 8 2 Operation process in sleep mode is as follow When cooling the setting temperature rises 1 be lower th setting temperature stops rising and ...

Page 22: ...old wind When indoor fan restarts after malfunctions being eliminated and anti cold wind being released Ionizer will be available again 6 4 11 Mode conflict The indoor units can not work cooling mode and heating at same time Heating mode has a priority 6 4 11 1 Definition Cooling mode Heating Mode Fan Off Cooling mode No Yes No No Heating Mode Yes No Yes No Fan No Yes No No Off No No No No No No m...

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