REFRIGERANT PIPING
ENGLISH
31
Piping is connecting the end of a pipe to a branching pipe. The refrigerant pipe of the outdoor unit
is divided at the end to connect to each indoor unit.
Flare connection for the indoor unit piping, and welding connection for the outdoor unit piping
and branching is used.
- Open/close the valve using a wrench.
Gas pipe
Liquid pipe
• Always be careful not to leak the refrigerant during welding.
• The refrigerant generates poisonous gas which is 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.
WARNING
!
Gas pipe
Liquid pipe
Precautions on pipe connection/valve operation
Содержание GP-W500B6C
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