LG MFL67478328 Service Manual Download | Manualshive

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Copyright ©2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only

Outdoor Unit : AHUW128A1, AHUW148A1, AHUW168A1

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Summary of Contents for MFL67478328

Page 1: ...www lg com SERVICE MANUAL AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference System AH Series P NO MFL67478328 ...

Page 2: ...Weight Unit kg Without water Packed Unit kg Sanitary Water Tank Type Field Supply Heater Capacity kW Power Supply Ø V Hz Power Supply Type Thermal Protector Range C Relay Contactor ELB A Sensor Adaptor Diameter mm inch Accessory Kit AHNW096A0 AHNW126A0 AHNW146A0 AHNW166A0 H09SNE H12SNE H14SNE H16SNE AHUW096A0 AHUW126A0 AHUW146A0 AHUW166A0 Combination Outdoor Units Indoor Units 135 205 205 205 0 59...

Page 3: ... Gas Side Diameter mm inch Liquid Side Diameter mm inch Dimensions Unit W x H x D mm Packed Unit W x H x D mm Weight Unit kg Without water Packed Unit kg Sanitary Water Tank Type Field Supply Heater Capacity kW Power Supply Ø V Hz Power Supply Type Thermal Protector Range C Relay Contactor ELB A Sensor Adaptor Diameter mm inch Accessory Kit MCCB A AHNW09606A0 AHNW09A06A0 AHNW09806A0 NH09SNG NH09SN...

Page 4: ...tering Side Diameter inch Leaving Side Diameter inch Manometer Drain Valve Fill Valve Shut Off Valve Air Vent Refrigerant Circuit Gas Side Diameter mm inch Liquid Side Diameter mm inch Dimensions Unit W x H x D mm Packed Unit W x H x D mm Weight Unit kg Without water Packed Unit kg Sanitary Water Tank Type Field Supply Heater Capacity kW Power Supply Ø V Hz Power Supply Type Thermal Protector Rang...

Page 5: ...Gas Side Diameter mm inch Liquid Side Diameter mm inch Dimensions Unit W x H x D mm Packed Unit W x H x D mm Weight Unit kg Without water Packed Unit kg Sanitary Water Tank Type Field Supply Heater Capacity kW Power Supply Ø V Hz Power Supply Type Thermal Protector Range C Relay Contactor ELB A Sensor Adaptor Diameter mm inch Accessory Kit MCCB A AHNW16606A1 AHNW16A06A1 AHNW16806A1 AHUW128A1 AHUW1...

Page 6: ... 3 Level Heating dB A 3 Liquid Piping Type Connection Outer Diameter mm inch Gas Piping Type Connection Outer Diameter mm inch Piping Length Minimum m Outdoor Unit Standard m Indoor Unit Maximum m Height Difference Maximum m Outdoor Unit Indoor Unit Additional Refrigerant Charge g m Dimensions Unit W x H x D mm Packed Unit W x H x D mm Weight Unit kg Packed Unit kg AHUW096A0 H09SNE AHUW126A0 H12SN...

Page 7: ...ator kW Power Input Cooling Fan coil unit kW Heating Fan coil unit or Radiator kW EER Cooling Fan coil unit W W COP Heating Fan coil unit or Radiator W W Operation Range Min Max Cooling C DB Outdoor Temperature Heating C DB Compressor Type Model Quantity EA Displacement cm3 Rev Capacity kW Compressor Motor Type Quantity EA Rated Output W Refrigerant Type Charge g oz Control Refrigerant Oil Type Ch...

Page 8: ...Refrigerant Type Charge g oz Control Refrigerant Oil Type Charged Volume cc Heat Exchanger Quantity EA Rows EA Columns EA FPI Fins inch Fan Type Quantity EA Air Flow Rate CMM l s Fan Motor Model Quantity EA Output W Sound Pressure Cooling dB A 3 Level Heating dB A 3 Liquid Piping Type Connection Outer Diameter mm inch Gas Piping Type Connection Outer Diameter mm inch Piping Length Minimum m Outdoo...

Page 9: ... Type Charge g oz Control Refrigerant Oil Type Charged Volume cc Heat Exchanger Quantity EA Rows EA Columns EA FPI Fins inch Fan Type Quantity EA Air Flow Rate CMM l s Fan Motor Model Quantity EA Output W Sound Pressure Cooling dB A 3 Level Heating dB A 3 Liquid Piping Type Connection Outer Diameter mm inch Gas Piping Type Connection Outer Diameter mm inch Piping Length Minimum m Outdoor Unit Stan...

Page 10: ...dicator PI 485 Special function kit Zone control CTIE Electro thermostat Others Remote room temperature sensor TH8 AWHP Anti Condensation on floor cooling Water Pump ON OFF Control Flow Switch Control Thermostat Interface 230V AC Thermostat Interface 24V AC Sanitary Tank Heating Solar Thermal Interface with Sanitary Tank PHEX Anti Freezing Control Water Pump Forced Operation Autosetting according ...

Page 11: ...ower distribution indicator PI 485 Special function kit Zone control CTIE Electro thermostat Others Remote room temperature sensor TH8 AWHP Anti Condensation on floor cooling Water Pump ON OFF Control Flow Switch Control Thermostat Interface 230V AC Thermostat Interface 24V AC Sanitary Tank Heating Solar Thermal Interface with Sanitary Tank PHEX Anti Freezing Control Water Pump Forced Operation Au...

Page 12: ...cator PI 485 Special function kit Zone control CTIE Electro thermostat Others Remote room temperature sensor TH8 AWHP Anti Condensation on floor cooling Water Pump ON OFF Control Flow Switch Control Thermostat Interface 230V AC Thermostat Interface 24V AC Sanitary Tank Heating Solar Thermal Interface with Sanitary Tank PHEX Anti Freezing Control Water Pump Forced Operation Autosetting according to...

Page 13: ...n LGAP PDI power distribution indicator PI 485 Special function kit Zone control CTIE Electro thermostat Others Remote room temperature sensor TH8 AWHP Anti Condensation on floor cooling Water Pump ON OFF Control Flow Switch Control Thermostat Interface 230V AC Thermostat Interface 24V AC Sanitary Tank Heating Solar Thermal Interface with Sanitary Tank PHEX Anti Freezing Control Water Pump Forced ...

Page 14: ...O O O O O O O Category Function AHUW096A0 H09SNE AHUW096AN UH09SNG AHUW126A0 H12SNE AHUW146A0 H14SNE AHUW166A0 H16SNE Reliability Defrost Deicing High pressure switch Low pressure switch Phase protection Restart delay 3 minutes Self diagnosis Soft start Test function Convenience Auto operation Artificial intelligence Auto restart operation CAC network function Network soluation LGAP PDI Power Dist...

Page 15: ...80 90 100 110 12 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 6 5 7 0 7 5 8 0 0 10 12 20 30 40 50 60 70 80 90 100 110 Hydraulic Head Loss mH 2 O Water Flowrate l min Max Med Model AHNW096A0 H09SNE AHNW09606A0 NH09SNG AHNW09A06A0 NH09SNK AHNW09806A0 NH09SNP Model AHNW126A0 H12SNE AHNW146A0 H14SNE AHNW166A0 H16SNE H Max high speed setting Med low speed setting Warning Selecting a water flowra...

Page 16: ... 5 0 5 5 6 0 6 5 7 0 7 5 8 0 0 10 15 20 30 40 50 60 70 80 90 100 110 Hydraulic Head Loss mH 2 O Water Flowrate l min Max Med Model AHNW16606A1 HN1616 AHNW16A06A1 HN1626 AHNW16806A1 HN1636 H Max high speed setting Med low speed setting Warning Selecting a water flowrate outside the curves can cause damage to or malfunction of the unit Operation cutoff range ...

Page 17: ...ice purposes LGE Internal Use Only 4 Piping Diagrams Sanitary water tan k is installed Sanitary water tan k kit is necessary Solar thermal syst em is connected Solar thermal kit i s necessary Basic installation IDU ODU Solar Thermal Componets Fan Coil Unit Underfloor Heating Radiator ...

Page 18: ...W PUMP A no connector CN_ROOM CN_REMO CN_2WAY A no connector CN_B HEAT A CN_3WAY A no connector no connector CN_TH4 CN_3WAY B CN_W PUMP B no connector Refrigerant temperature sensor Gas side Refrigerant temperature sensor Liquid side Entering Water temperature sensor Interim Water temperature sensor Leaving Water temperature sensor Flow Switch Electric Heater Internal Water Pump Expansion Tank Rem...

Page 19: ... 19 Copyright 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 Wiring Diagrams Indoor Unit Model AHNW096A0 AHNW126A0 AHNW146A0 AHNW166A0 ...

Page 20: ... 20 Copyright 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Indoor Unit Model AHNW09606A0 AHNW16606A1 AHNW09604A1 AHNW09606A1 ...

Page 21: ... Copyright 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Indoor Unit Model AHNW09A06A0 AHNW09806A0 AHNW09A06A1 AHNW09806A1 AHNW16A06A1 AHNW16806A1 ...

Page 22: ... 22 Copyright 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Outdoor Unit AH W126A0 AH W146A0 AH W166A0 ...

Page 23: ... 23 Copyright 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Outdoor Unit AH W096A0 ...

Page 24: ... 24 Copyright 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Outdoor Unit AHUW096AN ...

Page 25: ... 25 Copyright 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Outdoor Unit AHUW096A1 ...

Page 26: ... 26 Copyright 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Outdoor Unit AHUW128A1 AHUW148A1 AHUW168A1 ...

Page 27: ...ORY WIRING TERMINAL BLOCK THERMAL SWITCH ELECTRIC LEAKAGE BREAKER ELECTRIC HEATER 2P 2P 2P MAIN POWER DISTRIBUTION POWER SOURCE AND MAIN POWER DISTRIBUTION INFORMATION THERMOSTAT AND THERMO SWITCH INFORMATION WARNIG READ DIRECTION CAREFULLY TO PREVENT POTENTIAL ACCIDENTS NEVER USE THERMOSTAT1 AND THERMOSTAT2 AT THE SAME TIME IF USED FIRE ACCIDENT CAN BE OCCURRED BY ELECTRIC SHORT INSIDE PCB HEATIN...

Page 28: ...t 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 1 230V 50Hz 3 220V 50Hz or 3 380V 50Hz 3 MCCB M C MCCB M C M C M C Indoor Unit Model AHNW09A06A0 AHNW09806A0 ...

Page 29: ...014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 1 230V 50Hz M C Wiring Diagram Indoor and Outdoor Unit Including Field wiring Indoor Electric Heater 1Ø Outdoor 1Ø ...

Page 30: ... right reserved Only for training and service purposes LGE Internal Use Only 1 230V 50Hz 3 220V 50Hz or 3 380V 50Hz 3 MCCB MCCB M C M C M C M C Wiring Diagram Indoor and Outdoor Unit Including Field wiring Indoor Electric Heater 3Ø Outdoor 1Ø ...

Page 31: ...right reserved Only for training and service purposes LGE Internal Use Only 3 380V 50Hz 3 220V 50Hz 1 220V 50Hz 3 MCCB MCCB M C M C M C M C Wiring Diagram Indoor and Outdoor Unit Including Field wiring Indoor Electric Heater 3Ø 220V Outdoor 3Ø ...

Page 32: ...All right reserved Only for training and service purposes LGE Internal Use Only Wiring Diagram Indoor and Outdoor Unit Including Field wiring Indoor Electric Heater 3Ø 380 415V Outdoor 3Ø 3 380V 50Hz 1 220V 50Hz 3 MCCB MCCB M C M C M C M C ...

Page 33: ... 733010 135511 148391 340090 552000 135500 269300 165020 552207 752140 349001 267110 265020 268711B 148382 158580 130411 152141 263230B 263230C W52240 268711E 566001 266007 W6640C W6640B 235042 263230G Note Please ensure GCSC since the replacement parts may be changed depending upon the buyer s request Please check the correct parts in View RPL Replacement Part List on GCSC GCSC Website http biz L...

Page 34: ...ses LGE Internal Use Only Indoor Unit Model AHNW09A06A0 AHNW09806A0 137211 733010 249951 148391 340090 135500 165020 552207 752140 349001 267110 265020 268711B 148382 158580 130411 263230B 263230C W52240 268711E 235042 263230G 266007 W6640B 566001B W6640C 566001A 152141 269300A 269300B 552000 ...

Page 35: ... Use Only Indoor Unit Model AHNW16A06A1 AHNW16806A1 AHNW09A06A1 AHNW09806A1 268711B 268711E 733010 137211 752140 552000 135500 W6640C 566001A 566001A W6640B 267110 130411 753000 148382 265020 158580 340090 552207 235042 165020 W52240 249951 263230B 263230C 263230G 566001B 269300B 269300A 349001 148391 152141 ...

Page 36: ...e purposes LGE Internal Use Only Indoor Unit Model AHNW16606A1 AHNW09604A1 AHNW09606A1 268711B 268711E 733010 137211 752140 148382 267110 130411 158580 349001 552207 269300 340090 235042 165020 W52240 135510 263230B 263230G 148391 152141 266007 W6640C W6640B 263230C 135500 566001 552120 ...

Page 37: ...13 661400 148000 447910 263230A CN TH1 AIR PIPE1 CN TH2 PIPE2 DIS1 CN TH4 M PIPE 263230B 263230C 137213B 437211 552203B 552116 552202 566000 561410 55211E 237202 559010 549610 546810 554160 W6631A 552203A 552560 W4986A W4986B 152503 548490 237205 135500 Note Please ensure GCSC since the replacement parts may be changed depending upon the buyer s request Please check the correct parts in View RPL R...

Page 38: ...4160 548490 W6631 Comp wire 661400 561410 552116 552202 349480 435301 437211 435513 349480 554031 554031 546810 546810 W52102 552117 566000B 566000A 649950 W6200 268711 55211G 559010 552203A 567480D PIPE OUT AIR SUCTION DISCHARGE 567480E 268711F W6640A W6640B Note Please ensure GCSC since the replacement parts may be changed depending upon the buyer s request Please check the correct parts in View...

Page 39: ...2202 349480 435301 437211 435513 349480 554031B 554031A 546810 546810 W52102 552117 552200 566000B 566000A 649950 W6200 268711C 55211G 552116 559010 552203A 263230B PIPE OUT AIR 263230A MIDDLE SUCTION DISCHARGE 263230C 268711B W6640A W6640B W52240 237205 135500 661400 W6631 W0FZZA W0FZZB Note Please ensure GCSC since the replacement parts may be changed depending upon the buyer s request Please ch...

Page 40: ...ies for ENERGY STAR in the factory default Home Use setting Changing the factory default settings or enabling other features may increase power consumption that could exceed the limits necessary to quality for ENERGY STAR ...

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