SiBE041010
Outdoor Unit
Removal Procedure
135
5
Remove the putty.
2. Remove the four way
valve.
Caution
Be careful not to get yourself
burnt with the pipes and other
parts that are heated by the
gas brazing machine.
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.
Caution
From the viewpoint of global
environment protection, make
sure to use a vacuum pump
for air purging.
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.
Before working,
make sure that the
refrigerant is empty
in the circuit.
Be sure to apply
nitrogen
replacement when
heating up the
brazed part.
1
Heat up the brazed
point (a) and withdraw
the piping with pliers.
Step
Procedure
Points
Putty
(R7416)
(R7418)
(a)
(R7419)