LG L8UC100BFA3, L8UC100BFE3 Svc Manual
Multi Air Conditioner
SVC MANUAL(Exploded View)
MODEL : L8UC100BFA3
L8UC100BFE3
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 ©2014 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 kW
Btu/h
Nominal Input Cooling kW
(Min~Rating~Max) Heating kW
Testing Combination
Running Current(Rating) Cooling A
Heating A
Starting Current Cooling/Heating A
Power Supply Ø / V / Hz
Power Supply Cable(Outdoor) No. x mm
2
Power and Transmission Cable(Outdoor to Indoor or Outdoor to BD) No. x mm
2
Power and Transmission Cable(BD to Indoor) No. x mm
2
Dimensions W x H x D mm(inch)
Net Weight kg(lbs)
Max. Number of Connectable Indoor Units
Compressor (#1) Type
Qty x Model
Motor type
Oil charge volume cc
Oil Type
Compressor (#2) Type
Qty x Model
Motor type
Oil charge volume cc
Oil type
Compressor (#3) Type
Qty x Model
Motor type
Oil charge volume cc
Oil type
Refrigerant Cycle A Charge (at 7,5m) g(oz)
Cycle B Charge (at 7,5m) g(oz)
Type
Control
Additional Refrigerant Charge g/m(oz/ft)
Heat Exchanger (Rows x Column x FPI) No.
Defrosting Method
Fan Capacitor μF/Vac
Drive
Discharge Direction(Side/Top)
Air Flow RateNo. of Fan CMM(cfm)
Sound Level(H/L) Sound Pressure dB(A)+3
Piping Connections Liquid(Cycle A) mm(inch)
Gas(Cycle A) mm(inch)
Liquid(Cycle B) mm(inch)
Gas(Cycle B) mm(inch)
High Pressure Gas mm(inch)
Max. Interunit Total Piping m
Piping Length Main Piping m
Total Branch Piping m
Each Branch Piping m
Max. Elevation Outdoor Unit~Indoor Unit m
Difference Indoor Unit~Indoor Unit m
Operation Range Cooling °C(°F)
(Outdoor) Heating °C(°F)
3.52~28.72
12,000~98,000
-
-
2.5~9.75
Cycle 1 : LMNC122D4A0 + LMNC36GTNA0
Cycle 2 : LMNC24GTPA0 + LMNC242D5A0
8.5~30.5
-
-
3/220/60
4 x 13.3 (Including Earth)
4 x 0.75 (Including Earth)
4 x 0.75 (Including Earth)
1,280 x 1,520 x 730 (50.4 x 59.8 x 28.7)
260 (551)
8
Rotary
2 x QP348RAA
Single Phase Induction Motor
1,130
NM56 or SUNISO 4GSI
Rotary
2 x QP348RAA
Single Phase Induction Motor
1,130
NM56 or SUNISO 4GSI
-
-
-
-
4,300 (151.9)
4,300 (151.9)
R22
EEV / Short tube
Ø12.7 : 20(0.2) / Ø15.88 : 30(0.3) / Ø19.05 : 50(0.5)
(2R x 14C x 17) x 2 + (1R x 28C x 17) x 2
Reversing Cycle
10/370
Direct Drive
Top
53x2 (3,179)
60/60
9.52(3/8)
19.05(3/4)
9.52(3/8)
19.05(3/4)
-
110
50
60
15
45
10
21 (69.8) ~ 54 (129.2)
-
L8UC100BFA3/ L8UC100BFE3
Outdoor Unit
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 Formula
kW = Btu/h × 0.0002931
cfm = CMM × 35.3
2. List of Functions
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Copyright ©2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Defrost / deicing
High pressure switch
Low pressure switch
Phase reverse
Phase failure protection
Restart delay (3-minutes)
Self diagnosis
Soft start
Test function
Auto operation(Artificial intelligence)
Auto restart operation
Central control(LGAP)
PDI(Power Distribution Indicator)
PI485
Low Ambient Kit
Thermistor
X
X
X
O
O
O
O
X
O
O
O
O
PQNUD1S00
PMNFP14A0 / PMNFP14A1
X
-
FunctionCategory
L8UC100BFA3
L8UC100BFE3
Reliability
Convenience
Special Function Kit
Others
CAC Network
Function
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
H : These safety switcher are standard or optional features defending on region & country.
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