Piping Diagrams - LG ARNU07GCEA4 Svc Manual

3. Piping Diagrams

Refrigerant pipe connection port diameter
CHASSIS
CE
CF
LOC.
Th1
Th2
Th3
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Only for training and service purposes
Heat Exchanger
Th3
Sirroco Fan
Th1
MODEL
ARNU07GCEA4 ARNU07GCEU4
ARNU09GCEA4 ARNU09GCEU4
ARNU12GCEA4 ARNU12GCEU4
ARNU15GCEA4 ARNU15GCEU4
ARNU18GCFA4 ARNU18GCFU4
ARNU24GCFA4 ARNU24GCFU4
Description
Thermistor for room air temperature
Thermistor for pipe in temperature
Thermistor for pipe out temperature
- 7 -
EEV
Filter
Th2
Filter
lndoor unit
GAS
Ø12.7(1/2)
Ø12.7(1/2)
Ø12.7(1/2)
Ø12.7(1/2)
Ø12.7(1/2)
Ø15.88(5/8)
PCB Connector (Color)
CN-ROOM (Yellow)
CN-PIPE_IN (White)
CN-PIPE_OUT (Red)
:Cooling
:Heating
[Unit : mm(inch)]
LIQUID
Ø6.35(1/4)
Ø6.35(1/4)
Ø6.35(1/4)
Ø6.35(1/4)
Ø6.35(1/4)
Ø9.52(3/8)
LGE Internal Use Only