LG ATNH24GPLED User manual

Single A Air Conditioner
SVC MANUAL(Exploded View)
MODEL : AUUH246D(UU24 UED)
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Internal Use Only
http://biz.lgservice.com

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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
1. Specification
Running Current Cooling/Heating A
Starting Current Cooling/Heating A
Power Supply Ø,V,Hz
Power Supply Cable (Includes earth) No.* mm
2
Interunit Cable (Includes earth) No.* mm
2
Compressor Type
Quantity
Model
Motor Input kw
Oil Charge cc
Oil Type
Refrigerant Charge* g(oz)
Type
Control
Heat exchnager Tube Size (OD) mm (inch)
Fins per inch
No.ofRows&Column/No.
Fan motor Model
Output W
Capacitor µF/Vac
Fan Type
No. Used / Diameter EA/mm (inch)
Discharge Side / Top
Air Circulation CMM(CFM)
Noise Level(H/L) Sound Press,1m dB(A)±3
Defrosting
SVC Valve Liquid mm (inch)
Gas mm (inch)
Dimensions W*H*D mm (inch)
Net Weight (Outdoor) kg(lbs)
Max. Piping Length/Elevation m
Additional Refrigerant Charge (Over 7.5m) g/m
Operation rating Rang cooling °C
outdoor Heating °C
Models AUUH246D [UU24 UED]
11.4/12.6
1,220~240,50
3*2.5
4*0.75
Rotary
1
GP290PAC
2.50
1,130
FVC68D (PVE)
1950(68.9)
R410A
EEV
7.0 (0.276)
18
2R,36C
IC28640LG28P
67
6/370
Propeller
1/460 (18.1)
Side Discharge
58(2048)
52
Reversing cycle
9.52(3/8)
15.88 (5/8 )
870*808*320(34.3*31.8*12.6)
60(132.2)
40/30
45
-5~43
-10~24
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 notic for purpose of
improvement.
Indoor Unit ATNH24GPLED [UT24 NPD]
Nominal Capacity Cooling kW
Btu/h
Heating kW
Btu/h
Nominal Input Cooling kW
Heating kW
Indoor Unit
Nominal Capacity Cooling kW
Btu/h
Heating kW
Btu/h
Nominal Input Cooling kW
Heating kW
Indoor Unit
Nominal Capacity Cooling kW
Btu/h
Heating kW
Btu/h
Nominal Input Cooling kW
Heating kW
Indoor Unit
Outdoor Unit
7.00
23,885
7.5
25,592
2.49
2.6
ABNH246HLAD [UB24 NHD]
6.50
22,180
7.40
25,250
2.49
2.6
AVNH246BLAD [UV24 NBD]
6.50
22,180
7.30
24,910
2.49
2.6

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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
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 / Deicing
High pressure switch
Low pressure switch
Reliability Phase protection
Restart delay (3-minutes)
Self diagnosis
Soft start
Test function
Convenience Auto operation(Artificial intelligence)
Auto restart operation
CAC network Network soluation(LGAP)
function PDI(Power Distribution Indicator)
PI485
Special Low ambient operation
function kit
Others Thermistor
FunctionCategory
AUUH246D(UU24 UED)
O
O
-
-
O
O
-
-
O
O
O
PQNFG00A0
PMNFP14A0
AQLA
-
2. Function Table
Outdoor Unit

3. Piping Diagrams
Accumulator
Constant
Compressor
Heat
Exchanger
Gas
(Ø12.7mm)
Liquid
(Ø6.35mm)
OUTDOOR UNIT
Field Piping
Reversing
Valve
Refrigerant Flow
Cooling
Heating
Th.3
Th.1
Th.2
Th.4
EEV
High
pressure
S/W
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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
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

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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
CN_POWER
(Main power)
POWER SUPPLY
CN_COM
(Communication)
CN_COMP
(Comperssor)
COMP 1
COMP 2 CN_FAN 1
CN_TH 2
(Suction discharge)
CN_TH 1
(Pipe out)
SMPS
CN_FAN 2
CN_TEST
CN_LEV 1
CN_SV
(Solenoid valve)
Outdoor Unit
4. Wiring Diagrams

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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Outdoor Unit
435301
349480
554031
546810
559010
552112
W0CZZ
552113
268711B
649950
552203A 552203B
437211
435512
549610
435511
552116 552202
661400
447910 548490
554160
550140
430411
137213A
435300
137213B
552200
263230A 263230B
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,)
5. Exploded View

P/NO : MFL37468320 JANUARY, 2008