Multi Air Conditioner SVC MANUAL(Exploded View) · PDF fileMulti Air Conditioner SVC...
Transcript of Multi Air Conditioner SVC MANUAL(Exploded View) · PDF fileMulti Air Conditioner SVC...
Multi Air ConditionerSVC MANUAL(Exploded View)MODEL : A7UW406FA3[FM40AH UH3]
CAUTIONBefore Servicing the unit, read the safety precautions in General SVC manual.Only for authorized service personnel.
Internal Use Only
http://biz.lgservice.com
- 2 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
1. Specification
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.3. The specification may be subject to change without prior notice for purpose of improvement.
Conversion FormulakW = Btu/h x 0.0002931cfm = CMM x 35.3
Outdoor Unit
Nominal Capacity Cooling kW (Min~Rated~Max) Btu/h
Heating kW Btu/h
Nominal Input Cooling kW (Min~Rated~Max) Heating kW Energy label Testing CombinationRunning Current Cooling A
Heating A Starting Current (Cooling/Heating) A Power Supply Ø / V / Hz Power Supply Cable (outdoor) No.x mm2
Power and transmission cable (outdoor to BD) No.x mm2
Power and transmission cable (BD to indoor) No.x mm2
Dimensions W*H*D mm(inch) Net Weight kg(lbs) Max. Number of Connectable Indoor Units Compressor (Inverter) Type
Qty x Model Motor Type Oil Charge volume cc Oil Type
Refrigerant Charge (at 5m) g(oz) Type Control
Heat Exchanger Rows x Column x FPI Defrosting Method
Fan Capacitor µF/Vac Drive Discharge direction Side / Top Air Flow Rate CMM(CFM)
Noise Level(H/L) Sound Pressure at 1m dB(A)±3 Piping connections Liquid(Ø) mm(inch)
Gas(Ø) mm(inch) Max. Interunit Piping Length Total Piping(Main+Total Branch) m
Main Piping m Total Branch Piping m Each Branch Piping m
Max. Elevation Difference Indoor Unit~Outdoor Unit m Indoor Unit~Indoor Unit m
Outdoor Unit A7UW406FA3[FM40AH UH3]
2.8~11.7~13.59,600~40,000~46,000
3.2~13.5~15.011,040~46,000~51,000
1.1~3.63~4.651.4~3.65~4.84
A/AMS07AH N40 * 7EA
6.2~16.0~20.06.9~16.4~20.5
-1/220~240/50
3*3.54*1.25(Including Earth)4*0.75(Including Earth)
900*1165*370(35.4*45.8*14.5)93(205)
7Twin-Rotary
5JD420ZBLDC1300
FV50S4,400(155)
R410AEEV
2R x 50C x 18Reversing cycle
6 / 370DirectSide
53(1,872) x 258
9.52(3/8)19.05(3/4)
1004060153015
2. Function Table
Note :• O: Applied, • X: Not applied, • - : No relation,• Option: Model name & 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.
Defrost / DeicingHigh pressure switchLow pressure switch
Reliability Phase protectionRestart delay (3-minutes)Self diagnosisSoft startTest function
Convenience Auto operation(Artificial intelligence)Auto restart operation
CAC networkNetwork soluation(LGAP)
function PDI(Power Distribution Indicator)PI485
Special function kit Low Ambient KitOthers Thermistor
FunctionCategory A7UW406FA3 [FM40AH UH3]
OXOXOOOXOOO
PQNUD1S00PMNFP14A0
O (Logic)-
- 3 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
- 4 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
3. Piping Diagrams
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
S/V(1) Solenoid Valve for Hot Gas CN_H/GAS
S/V(2) Solenoid Valve for Oil Separator CN_OIL/S
L/P Low Pressure Switch CN_PRESS
Cooling
Refrigerant flow)Outdoor Unit
Heating
Field pipingGas(Ø19.05)
Field pipingLiquid(Ø9.52)
Accumulator
Th4
S/V(2)
L/P
Compressor
Th3
Oil Separator
R/Valve
HeatExchanger
S/V(1)S/V(1)
Th1
Th2
S/V(1)
CN_PFC_IN
CN_PFC_OUT
CN_COM
CN_PRESSCN_4WAY
CN_H/GAS
CN_FAN(B)
CN_OIL/S
CN_FAN(A)
CN_TH3
CN_TH2
- 5 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
4. Wiring Diagrams
- 6 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
5. Exploded View
4372
12
4355
12
3496
00
6499
50
4479
10
5660
00
5484
90
4304
11
5522
03B
5522
03A
5468
10
5468
1055
2204
5521
14
5521
125521
115674
80D
5674
80E
5590
1043
7210
4353
01
4372
11
5541
60
5614
10A
5521
1656
1410
C
5614
10B
W49
86B
W49
86A
2687
11
W62
00
W66
40B
W66
40A
W69
20
W0C
ZZB
1372
13
4355
11
1480
00
5540
31B
5540
31A
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,)
P/NO : MFL37468318 January, 2008