Refrigerant Piping Installation; Precautions On Pipe Connection / Valve Operation - LG ARUN040LSS0 Installation Manual

REFRIGERANT PIPING INSTALLATION

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REFRIGERANT PIPING INSTALLATION

Precautions on Pipe connection / Valve operation

Pipe connection is done by connecting from the end of the pipe to the branching pipes, and the
refrigerant pipe coming out of the outdoor unit is divided at the end to connect to each indoor
unit. Flare connection for the indoor unit, and welding connection for the outdoor pipe and the
branching parts.
- Use hexagonal wrench to open/close the valve.
!
WARNING
• Always careful not to leak the refrigerant during welding.
• The refrigerant generates poisonous gas harmful to human body if combusted.
• Do not perform welding in a closed space.
• Be sure to close the cap of the service port to prevent gas leakage after the work.
!
CAUTION
Please block the pipe knock outs of the front and side panels after installing the pipes.
(Animals or foreign objects may be brought in to damage wires.)
www.lgcomfortcooling.co.uk
※Pictures may differ depending on the model.
Refrigerant
Charging Port
Liquid pipe
Gas pipe