LG ARNU Series - Piping Diagrams

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Only for training and service purposes
LGE Internal Use Only
5. Piping Diagrams
Piping Diagrams
Heat Exchanger
Sirocco Fan
lndoor unit
EEV
:Heating
:Cooling
Filter
Filter
: Thermistor
Refrigerant pipe connection port diameter
[unit: mm(inch)]
MODEL GAS LIQUID
ARNU07GBHA1 Ø12.7(1/2) Ø6.35(1/4)
ARNU09GBHA1 Ø12.7(1/2) Ø6.35(1/4)
ARNU12GBHA1 Ø12.7(1/2) Ø6.35(1/4)
ARNU15GBHA1 Ø12.7(1/2) Ø6.35(1/4)
ARNU18GBHA1 Ø12.7(1/2) Ø6.35(1/4)
ARNU24GBHA1 Ø15.88(5/8) Ø9.52(3/8)
ARNU28GBGA1 Ø15.88(5/8) Ø9.52(3/8)
ARNU36GBGA1 Ø15.88(5/8) Ø9.52(3/8)
ARNU42GBGA1 Ø15.88(5/8) Ø9.52(3/8)
ARNU48GBRA1 Ø15.88(5/8) Ø9.52(3/8)