Refrigerant pipe connection port diameter
MODEL GAS LIQUID
ARNU07GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) Ø12.7(1/2) Ø6.35(1/4)
ARNU09GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) Ø12.7(1/2) Ø6.35(1/4)
ARNU12GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) Ø12.7(1/2) Ø6.35(1/4)
ARNU15GB3G4+PBSGB30(Acc'y), PBSC30(Acc'y) Ø12.7(1/2) Ø6.35(1/4)
ARNU18GB4G4+PBSGB40(Acc'y), PBSC40(Acc'y) Ø12.7(1/2) Ø6.35(1/4)
ARNU24GB4G4+PBSGB40(Acc'y), PBSC40(Acc'y) Ø15.88(5/8) Ø9.52(3/8)
[Unit: mm(inch)]
4. Piping Diagrams
Indoor Units
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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