LG MULTI V ARNU12GTRA4

4. Piping Diagrams
Indoor unit
6 _ Ceiling Concealed Duct(Low Static)
Indoor Units
Heat Exchanger
Sirocco Fan
Th3
Th1
Th2
lndoor unit
EEV
:Heating
:Cooling
Filter
Filter
Refrigerant pipe connection port diameter
[Unit: mm(inch)]
MODEL GAS LIQUID
ARNU05GL1G4 Ø12.7(1/2) Ø6.35(1/4)
ARNU07GL1G4 Ø12.7(1/2) Ø6.35(1/4)
ARNU09GL1G4 Ø12.7(1/2) Ø6.35(1/4)
ARNU12GL2G4 Ø12.7(1/2) Ø6.35(1/4)
ARNU15GL2G4 Ø12.7(1/2) Ø6.35(1/4)
ARNU18GL2G4 Ø12.7(1/2) Ø6.35(1/4)
ARNU21GL3G4 Ø15.88(5/8) Ø9.52(3/8)
ARNU24GL3G4 Ø15.88(5/8) Ø9.52(3/8)
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)