Transcript
Internal Use Only http://biz.lgservice.com
Multi Air Conditioner SVC MANUAL(Exploded View) MODEL : A8UW54GFA0 [LMU540HV]
CAUTION Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel.
1. Specification Btu/h Class Btu/h Btu/h kW kW kBbu/h.W Non Ducted Mixed Ducted V , Ø , Hz A A A A No. x AWG
A8UW54GFA0 [LMU540HV] 54,000 14,000 ~ 52,500 ~ 63,200 15,467 ~ 58,000 ~ 64,000 1.0 ~ 5.10 ~ 5.86 1.49 ~ 5.34 ~ 6.19 10.3 / 3.2 18.4 / 8.7 17.1 / 8.7 15.8 / 8.7 208/230, 1, 60 4.6 ~ 23.7 ~ 27.2 6.9 ~ 24.8 ~ 28.7 3C x 4.0
No. x AWG
4C x 18
kBtu/h EA EA mm inch kg (lbs) Model x No. W x No. g (oz) m (ft) g/m (oz/ft) cc x No. m3/min(ft3/min) x No. W x No. dB(A) dB(A) dB(A) mm(inch) x No. mm(inch) x No. m (ft) m (ft) m (ft) m (ft) m (ft) m (ft) ℃ DB (℉ DB) ℃ WB (℉ WB)
73 8 2 Warm Gray 950 × 1380 × 330 37.4 x 54.3 x 13.0 97(213.8) Twin Rotary GPT442MAA x 1 BLDC 4,000 (at 60Hz) x 1 R410A 4,400 (155.2) 40 (131.2) 20 (0.22) Electronic Expansion Valve FVC68D 1,300 x 1 (2 x 32 x 14) x2 Propeller 60 x 2 BLDC 124.2 x 2 53 54 69 Ø 9.52 (3/8) Ø 19.05 (3/4) 145 (475.7) 55 (180.4) 90 (295.3) 15 (49.2) 30 (98.4) 15 (49.2) -10 (14.0) ~ 48 (118.4) -18 (-0.4) ~ 18 (64.4)
Model Name Capacity Capacity Power Input
Cooling Heating Cooling Heating
Nominal Min.~Rated~Max. Min.~Rated~Max. Min.~Rated~Max. Min.~Rated~Max.
EER / COP SEER / SCOP Power Supply Running Current Starting Current Wiring Connections
Combination
Cooling Heating Cooling Heating Power Supply Cable (included Earth) Power and Communication Cable (included Earth) Sum of Indoor Units Capacity Number of Indoor Units Number of BD Units
Min.~Rated~Max. Min.~Rated~Max. Max. Max. Outdoor ~ BD unit
Casing Color WxHxD WxHxD
Dimensions Net Weight Compressor
Refrigerant
Refrigerant Oil Heat Exchanger Fan Fan Motor Sound Pressure Level Sound Power Level Piping Connections
Piping Length Maximum Height Difference Operation Range (Outdoor Temperature)
Type Model Motor type Motor Output Type Precharged Amount Chargeless-Pipe Length Additional Charging Volume Control Type Charged volume (Row x Column x Fins per inch) x No. Type Air Flow Rate Type Output Cooling Heating Cooling Liquid Gas Total Piping Main Piping Total Branch Piping Each Branch Piping Outdoor Unit ~ Indoor Unit Indoor Unit ~ Indoor Unit Cooling Heating
Rated Rated Rated Outer Dia. Outer Dia. Max. Max. Max. Max. Max. Max. Min. ~ Max. Min. ~ Max.
Note: 1. All data are based on the following conditions: - Cooling Temperature : Indoor 27°C(80.6°F) DB / 19°C(66.2°F) WB Outdoor 35°C(95°F) DB / 24°C(75.2°F) WB - Heating Temperature : Indoor 20°C(68°F) DB / 15°C(59°F) WB Outdoor 7°C(44.6°F) DB / 6°C(42.8°F) WB - Piping Length : Interconnected Pipe Length = 5m - Difference Limit of Elevation (Outdoor ~ Indoor Unit) is Zero.
Copyright ©2012 LG Electronics. Inc. All right reserved. Only for training and service purposes
2. Wiring cable size must comply with the applicable local and national code. 3. Due to our policy of innovation some specifications may be changed without notification. 4. Sound Level Values are measured at Anechoic chamber. Therefore, these values can be increased(maximum 3dB(A)) owing to ambient conditions during opration.
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LGE Internal Use Only
2. List of Functions & Accessory 2.1 List of Functions Category
Reliability
Convenience
CAC Network Function
Function Defrost / Deicing High Pressure Switch Low Pressure Switch Phase protection Restart Delay (3-minutes) Self Diagnosis soft start Test Function Auto operation(Artificial intelligence) Wiring Error Check Night Quiet Mode Peak Control Mode Lock Forced Operation Auto Restart Operation Central control(LGAP) Dry contact PDI(Power Distribution Indicator) PI485
A8UW54GFA0 [LMU540HV] O X X O O O O O O O O O O O O O O O O
Note : O : Applied, X : Not applied * Option : Model name & price are different according to options, and assembled in factory with main unit. Accessory model name : Installed at field, ordered and purchased separately by the corresponding model name, supplied with separate package.
2.2 List of Accessory Device
Central Controller
BNU (Building Network Unit)
Installation
Simple Controller Function controller Function Scheduler AC Ez AC Smart ll Option Kit (SD card type) ACP(Advanced Control Platform) AC Manager PI485 DO(Digital Output) Kit LONWORKS Gateway BACnet Gateway Y branch Header branch Air Guide BD Unit
ODU Dry Contact Low Ambient Kit
Copyright ©2012 LG Electronics. Inc. All right reserved. Only for training and service purposes
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A8UW54GFA0 [LMU540HV] PQCSB101S0 PQCSB101S0 + PQCSC101S0 PQCSB101S0 + PQCSD130A0 PQCSZ250S0 PQCSW320A1E PQCSE341A0 / PQCSE342A0 PQCPA11A0E / PQCPB11A0E PQCSS520A0E PMNFP14A0/PMNFP14A1 PQNFP00T0 PQNFB16A1 PQNFB17B0 PMBL5620 PMBL1203F0 X PMBD3620, PMBD3630, PMBD3640 O O (Logical operation)
LGE Internal Use Only
3. Piping Diagrams Outdoor Unit Inlet Air Temperature Thermistor
Condenser Out Temperature Thermistor
Condenser Mid Temperature Thermistor
Ø9.52 Flare Connection
Strainer
M
Strainer Electronic Expansion Valve
Pressure Sensor
Ø19.05 Flare Connection
Fusible Plug
Hotgas Valve
Suction Temperature Thermistor
4 way Valve
Discharge Temperature Thermistor
Accumulator Inverter Compressor
: Cooling : Heating
PCB Connector
Description
CN-TH1
Air / Cond Out
CN-TH2
Suction / Discharge
CN-TH3
Cond Mid
CN-P/SENSOR(H)
Pressure Sensor
CN-EEV-MAIN
Electronic Expansion Valve
CN-HOTGAS
Hotgas Valve
Copyright ©2012 LG Electronics. Inc. All right reserved. Only for training and service purposes
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LGE Internal Use Only
4. Wiring Diagrams
MAIN PCB
INVERTER PCB
CN-485/DRY CN(L)
CN_EEV_MAIN
CN(N)
CN-HOTGAS
CN-COM CN-MOTOR1
CN_JIG_PC CN_CENTRAL CN_TH1
CN_4WAY
CN-MAIN
CN-MOTOR2
CN_TH2 CN_TH3 CN-P/SENSOR (H) CN_WRITER CN_FLASH
WCN_P(N)
CN_POWER
WCN_P(L) CN_COMM CN_POWER
Copyright ©2012 LG Electronics. Inc. All right reserved. Only for training and service purposes
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LGE Internal Use Only
5. Exploded View 549610
554031A
237204
552111
435300
552115 559010
546810A
352111
546810B
559010 435512 554031B
554160 649950
55211G
263230C Air / Cond-Out
552200
268711D
Cond-Mid 263230A
437212
548490
661400
W6200 237205
552117 268711C
W52240
W0FZZ
W6640B
237202
263230B
349480
Suction / Discharge pipe
552116 W6640A
561410D
552202 561410A 435301
447910
165010 Pressure sensor
148000
135500
552560
552203A
W6631
552203B
554160
435513
137213
550140A
349480 430410
152503
437211
435301
550140B
Location No.
PCB Connector
Description
Housing Color
263230C
CN-TH1
Air / Cond Out
White
263230B
CN-TH2
Suction / Discharge
Red
263230A
CN-TH3
Cond Mid
Blue
165010A
CN-P/SENSOR(H)
Pressure Sensor
Red
Copyright ©2012 LG Electronics. Inc. All right reserved. Only for training and service purposes
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LGE Internal Use Only
P/NO : MFL67452409
JULY, 2012
