universal air conditioner svc manual ... - klimatyzatory lg
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Universal Air ConditionerSVC MANUAL(Exploded View)MODEL : AUUH488D(UU48 U3D)
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
Nominal Capacity Cooling kW(Min~Rating~Max) Btu/h
Heating kWBtu/h
Nominal Input Cooling kW(Min~Rating~Max) Heating kW
Nominal Capacity Cooling kW(Min~Rating~Max) Btu/h
Heating kWBtu/h
Nominal Input Cooling kW(Min~Rating~Max) Heating kW
Nominal Capacity Cooling kW(Min~Rating~Max) Btu/h
Heating kWBtu/h
Nominal Input Cooling kW(Min~Rating~Max) Heating kW
Indoor Unit
Indoor Unit
Indoor Unit
ATNH48GMLED(UT48 NMD)
ABNH486RLAD(UB48 NRD)
AVNH486LLAD(UV48 NLD)
13.7046 70015.00
51 2005.405.00
13.7046 70016.00
54 6005.845.10
13.245 00016.00
54 6005.305.10
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 nationalcode.
3. The specification may be subject to change without notic for purposeof improvement.
Indoor Unit
Outdoor Unit
Running Current(Rating) Cooling AHeating A
Starting Current Cooling/Heating APower Supply Ø / V / HzPower Supply Cable(Outdoor) No.x mm2
Power and Transmission Cable(Outdoor to Indoor or Outdoor to BD) No.x mm2
Dimensions W x H x D mm(inch)Net Weight kg(lbs)
TypeCompressor (#1) Qty x Model
Oil charge volume ccOil TypeCycle Charge (at 7.5m) g(oz)
Refrigerant TypeControl
Additional Refrigerant Charge g/m(oz/ft)
Heat Exchanger (Rows x Column x FPI) x No.Defrosting MethodCapacitor µF/Vac
Fan DriveDischarge Direction(Side/Top)Air Flow Rate x No. of Fan CMM(cfm)
Sound Level(H/L) Sound Pressure dB(A)+3Piping Connections Liquid(Cycle A) mm(inch)
Gas(Cycle A) mm(inch)Max. Interunit Total Piping mPiping Length Main Piping mMax. Elevation Outdoor Unit~Indoor Unit mDifference Indoor Unit~Indoor Unit mOperation Range Cooling ˚C(Outdoor) Heating ˚C
Indoor Unit AUUH488D(UU48 U3D)6.56.4
63/633/380-415V/50
5*2.5(Including Earth)4*0.75(Including Earth)
950*1 380*330105
ScrollAR061YAB
1 800FVC68D
3 300R410AE.E.V
50(2*32*17)*2
Reversing cycle6/370
Direct DriveSide11055
9.5215.88
50-
30-
-5~43-10~24
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 Low ambient operationfunction kit
Others Thermistor
FunctionCategory AUUH488D(UU48 U3D)
OOOOOO--OOO
PQNFG00A0PMNFP14A0
O(program 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
Th1
E.E.V.
Accumulatorr
ConstantCompressor
Heat
High PressureS/W
Exchanger
ReversingValve
OUTDOOR UNIT
Refrigerant Flow
CoolingHeating
Gas(Ø 15.88mm)
Liquid(Ø 9.52mm)
Field Piping
Th2
Th4
Th3
Low PressureS/W
LOC. Description PCB Connector
EEV Electronic Expansion Valve CN-LEV1
Th1 Thermistor for suction pipe temperature CN-TH2
Th2 Thermistor for discharge pipe temperature CN-TH2
Th3 Thermistor for condenser pipe temperature CN-TH1
Th4 Thermistor for outdoor air temperature CN-TH1
CN_POWER CN_PRESS1 CN_COMP CN_4WAY
CN_CENTRAL
CN_FLASH
CN_TH1 (AIR/PIPE1)
CN_TH2 (PIPE2/DIS1)
CN_LGMVCN_LEV1EEPROMCN_3PHASE
CN_COM
CENTRALCONTROLLERPOWERSUPPLY
CN_PHASE_FAN
- 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
1355
00
4355
12
5521
12
4353
01
4479
10
2372
02
5590
10
5496
10
5590
10
5540
31
5540
31
4353
0055
2111
2372
04
5468
10 5468
10
5522
03B
5522
03A
W49
810
5541
60
5521
17
6499
50
5614
1055
2116
3494
80
4353
0143
7211
3494
80
5674
80D
CN
_TH
1(A
IR/P
IPE1
)
5674
80E
5660
01
W0C
ZZ
2687
11
5521
1G
6614
00
CN
_TH
2(P
IPE2
/DIS
1)
4372
12
1372
13
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 : MFL40912001 NOVEMBER, 2007