LG Multi V ARNU283M3A4 - INTRODUCTION; Ducted Indoor Units; Safety; Installation Personnel

3. Piping Diagrams
[Unit : mm(inch)]
Refrigerant pipe connection port diameter
M2/M3 Chassis
Heat Exchanger
Sirocco Fan
Th3
Th1
Th2
lndoor unit
EEV
:Heating
:Cooling
Filter
Filter
LOC. Description PCB Connector (Color)
Th1 Thermistor for room air temperature CN-ROOM (Yellow)
Th2 Thermistor for pipe in temperature CN-PIPE_IN (White)
Th3 Thermistor for pipe out temperature CN-PIPE_OUT (Red)
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CHASSIS MODEL GAS LIQUID
M2
ARNU073M2A4 Ø12.7(1/2) Ø6.35(1/4)
ARNU093M2A4 Ø12.7(1/2) Ø6.35(1/4)
ARNU123M2A4 Ø12.7(1/2) Ø6.35(1/4)
ARNU153M2A4 Ø12.7(1/2) Ø6.35(1/4)
ARNU183M2A4 Ø12.7(1/2) Ø6.35(1/4)
ARNU243M2A4 Ø15.88(5/8) Ø9.52(3/8)
ARNU283M2A4 Ø15.88(5/8) Ø9.52(3/8)
ARNU363M2A4 Ø15.88(5/8) Ø9.52(3/8)
ARNU423M2A4 Ø15.88(5/8) Ø9.52(3/8)
M3
ARNU283M3A4 Ø15.88(5/8) Ø9.52(3/8)
ARNU363M3A4 Ø15.88(5/8) Ø9.52(3/8)
ARNU423M3A4 Ø15.88(5/8) Ø9.52(3/8)
ARNU483M3A4 Ø15.88(5/8) Ø9.52(3/8)
ARNU543M3A4 Ø15.88(5/8) Ø9.52(3/8)