Multi Air Conditioner SVC MANUAL(Exploded View)
Contents
1. G http biz Igservice com Multi Air Conditioner MODEL A4UW363FA2 LMU369HV CAUTION Before Servicing the unit read the safety precautions in General SVC manual Only for authorized service personnel 1 Specification Outdoor Unit Outdoor Unit A4UW363FA2 LMU369HV Capacity Btu h Class 34 000 Power Input Cooling kW 0 77 2 72 3 92 Min Rated Max Heating kW 1 12 3 58 4 1 Running Current Cooling A 3 3 11 8 17 0 Heating A 4 9 15 5 17 8 Starting Current Cooling Heating A Power Supply O VIHz 1 208 230 60 Power Supply Cable Outdoor No x AWG 3x12 Transmission Cable Outdoor to Indoor unit No x AWG 4 x 18 Including Earth Dimensions WxHxD mm inch 300X199 X0 35 7 16 x 45 7 8 x 14 9 16 Net Weight Kg lbs 95 209 4 Max Number of Connectable Indoor Units 4 Compressor Type Twin Rotary Qty x Model GPT425DBA Motor type BLDC Oil charge volume cc 1300 Oil Type FVC68D Refrigerant Cycle A Charge at 7 5m 0 02 3 500 123 46 Cycle B Charge at 7 5m 0 02 Control EEV Heat Exchanger Rows x Column x FPI x No 2R x 26C x 17 x 2 Coil tube dia mm inch 7 0 276 Defrosting Method Reversing cycle Fan motor Capacitor uFNac Drive Direct DC Discharge Direction Side Top Side Air Flow Rate x No of Fan CMM CFM 60 2 118 x 2EA Sound Level H Sound P2. W TO INDOOR UNIT piles LL 1 OPTION MEZ40804814 CN_MOTOR2 CN MOTOR1 CN COM LGE Internal Use Only 5 Exploded View 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 Lgservice com Copyright 02008 LG Electronics Inc All right reserved 6 Only for training and service purposes LGE Internal Use Only P NO MFL63721203 June 2010
3. ressure dB A 3 57 Piping Connections Liquid Cycle A mm inch 6 35 1 4 x 4EA Gas Cycle A mm inch 9 52 3 8 x 4EA Liquid Cycle B mm inch Gas Cycle B mm inch Piping length spec Max total piping m ft 75 246 1 Max OD ID piping 25 82 0 Piping length no add refrigerant m ft 30 123 0 Max Elevation Outdoor Unit Indoor Unit m ft 15 49 2 Difference Indoor Unit Indoor Unit m ft 7 5 24 6 Operation Range Cooling C F 10 46 14 114 8 Outdoor Heating 15 24 5 75 2 Note 1 Capacities are based on the following conditions Cooling Indoor Temperature 27 C 80 6 F DB 19 C 66 2 F WB Outdoor Temperature 35 C 95 F DB 24 C 75 2 F WB Heating Indoor Temperature 20 C 68 F DB 15 C 59 F WB Outdoor Temperature 7 C 44 6 F DB 6 C 42 8 F WB Piping Length Interconnecting Piping Length 7 5m Level Difference of Zero 2 Wiring cable size must comply with the applicable local and national code Conversion Formula kW Btu h x 0 0002931 cfm CMM x 35 3 3 The specification may be subject to change without prior notice for purpose of improvement Copyright 2008 LG Electronics Inc All right reserved 2 Only for training and service purposes LGE Internal Use Only 2 Function Table A4UW363FA2 Category Function LMU369HV Defrost Deicing O High Pressure Switch x Low Pressure Swi
4. s Oil Separator CN OIL S L P Low Pressure Switch CN PRESS Copyright 2008 LG Electronics Inc All right reserved 4 Only for training and service purposes LGE Internal Use Only 4 Wiring Diagrams Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes PFC REACTOR OUTDOOR WIRING DIAGRAM R U C W INVERTER KCN RD BL YL oO q RD BL YL BL BRI BR BL OJOO STO 2 BLDC U V CN_PFC_OUT CN_PFC_IN 2 Fan Motor 5 5 BLDC 2 Fan Motor E y MAIN ed OE in 5 3 fu 5 gg CN TH CN TH3 20 PBK iy 3 e BL BL 5 Slom Ede z AIR PIPE SUC DISP_I dan NM ms loa o E El Sel CN_COM CN_CP L CN_CP N Pl485 xc a2 z BE WeN_NOSEILL N mo 1585 CN GND CNGN2 s 9 BK amp BK 4 BL BL H BR BR lI BK N ti 2 e L0 202 sic 30 TO CNN Nai QN OIO Ny BK BLACK Ib I N BR BROWN OR ORANGE TANT RD RED POWER SUPPLY A B C D WH WHITE ROOM ROOM ROOM ROOM C REA EENNELLO
5. tch x TAS Phase protection X Real Restart Delay 3 minutes O Self Diagnosis Soft Start Test Function x Auto operation Artificial intelligence O Auto Restart Operation O Central control LGAP O PDI Power Distribution Indicator PQNUD1S00 P1485 PMNFP14A0 Special function kit Low ambient operation Others Thermistor Note O Applied X Not applied No relation Option Model name amp price are different according to options and assembled in factory with main unit Accessory Installed at field ordered and purchased separately by the corresponding model name supplied with separate package Copyright 02008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 Piping Diagrams Room D Field piping Room Gas 03 8 Room B 3 Room A Room D Field piping Room Liquid 01 4 Room B Room A 3 Accumulator Main service Valve Gas Compressor Valve Liquid REFRIGERANT FLOW COOLING HEATING Main service gt Outdoor Unit LOC Description PCB Connector Th1 Thermistor for outdoor air temperature CN_TH2 Th2 Thermistor for condensing temperature CN_TH2 Th3 Thermistor for discharge pipe temperature CN_TH3 Th4 Thermistor for suction pipe temperature CN_TH3 CN H GAS SN Solenoid Valve for Hot Ga
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