Indoor unit
4. Piping Diagrams
Refrigerant pipe connection port diameter
Model
ARNU09GTL*4
ARNU12GTL*4
ARNU18GTL*4
ARNU24GTL*4
LOC.
Th1
Th2
Th3
Heat Exchanger
Th2
Th3
C.F.F.
Th1
lndoor unit
Gas
Ø12.7(1/2)
Ø12.7(1/2)
Ø12.7(1/2)
Ø15.88(5/8)
Description
Room thermistor
Pipe in thermistor
Pipe out thermistor
:Cooling
EEV
:Heating
Filter
Filter
[Unit: mm(inch)]
Liquid
Ø6.35(1/4)
Ø6.35(1/4)
Ø6.35(1/4)
Ø9.52(3/8)
Ceiling Cassette 2-way
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