Piping Diagrams; Heat Exchanger - LG Multi V ARNU283M3A4 Svc Manual

3. Piping Diagrams

M2/M3 Chassis
CHASSIS
M2
M3
LOC.
Th1
Th2
Th3

Heat Exchanger

Th3
Sirocco Fan
Th1
Refrigerant pipe connection port diameter
MODEL
ARNU073M2A4
ARNU093M2A4
ARNU123M2A4
ARNU153M2A4
ARNU183M2A4
ARNU243M2A4
ARNU283M2A4
ARNU363M2A4
ARNU423M2A4
ARNU283M3A4
ARNU363M3A4
ARNU423M3A4
ARNU483M3A4
ARNU543M3A4
Description
Thermistor for room air temperature
Thermistor for pipe in temperature
Thermistor for pipe out temperature
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)
Ø15.88(5/8)
Ø15.88(5/8)
Ø15.88(5/8)
Ø15.88(5/8)
Ø15.88(5/8)
Ø15.88(5/8)
Ø15.88(5/8)
Ø15.88(5/8)
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All rights reserved. Only training and service purposes.
: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)
Ø9.52(3/8)
Ø9.52(3/8)
Ø9.52(3/8)
Ø9.52(3/8)
Ø9.52(3/8)
Ø9.52(3/8)
Ø9.52(3/8)
Ø9.52(3/8)
PCB Connector (Color)
CN-ROOM (Yellow)
CN-PIPE_IN (White)
CN-PIPE_OUT (Red)