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Outdoor Unit
SiBE04-809
182
Removal Procedure
3
Loosen the screw of the
four way valve coil.
Caution
Be careful not to get yourself
burnt with the pipes and other
parts that are heated by the
gas welding rod.
Caution
From the viewpoint of global
environment protection, do
not discharge the refrigerant
gas in the atmosphere. Make
sure to recover the refrigerant
gas with the recovery system.
Reassembling precautions
1. Use non-oxidizing brazing
method. If nitrogen gas is not
available, braze the parts
speedily.
2. Avoid deterioration of the
gaskets due to carbonization
of oil inside the four way
valve or thermal influence.
For this purpose, wrap the
four way valve with wet
cloth. Splash water over the
cloth against becoming too
hot (keep it below 120°C).
In pulling the pipes, be
careful not to over-tighten
them with pliers. The pipes
may get deformed.
If the gas welding machine fails
to remove the four way valve,
take the steps below.
1. Disconnect the brazed pipe
sections that are readily
easy to separate and join
together later.
2. With a small copper tube
cutter, cut off the internal
pipes to easily take out the
four way valve.
Note:
Never use a metal saw. The
sawdust may come into the
circuit.
4
Remove the sheets of
putty.
5
Heat up the brazed part
and withdraw the piping
with pliers.
Before working, make
sure that the refrigerant is
empty in the circuit.
Be sure to apply nitrogen
replacement when
heating up the brazed
part.
Step
Procedure
Points
(R7247)
(R7248)
(R7249)
Содержание ARXG25E3V1B
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