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Refrigerant piping installation
Refrigerant piping installation
WARNING
Always use extreme care to prevent the refrigerant gas (R410A) from leakage while using fire or
flame. If the refrigerant gas comes in contact with the flame from any source, such as a gas stove, it
breaks down and generates a poisonous gas which can cause gas poisoning. Never perform brazing
in an unventilated room. Always conduct an inspection for gas leakage after installation of the refrig-
erant piping has been completed.
Cautions in pipe connection/valve operation
Open status when both the pipe and
the valve are in a straight line.
WARNING
After completing work, securely tighten both service ports and caps so that gas does not leak.
h Remove the front panel before pipe connection
h Must check the pipe (liquid pipe, gas pipe, high/low pressure
common pipe) before pipe connection
18
18
Outside Unit
Outside Unit
CLOSE
OPEN
Do not cutting.
Gas pipe
Liquid pipe
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