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Components
Service manual
49
RXQ25+3 3 3
35AMV1B
Split Sensira R32 BBOP
ESIE21-16 – 2022.02
INFORMATION
It is ALSO possible to cut the component pipe(s) using a pipe cutter. Make sure to
remove the remaining component pipe end(s) from the refrigerant pipes by heating
the brazing point(s) of the component pipe(s) using an oxygen acetylene torch.
7
Install plugs or caps on the open pipe ends of the refrigerant piping to avoid
dirt or impurities from entering the piping.
8
To install the 4‑way valve body, see
To install the 4-way valve body
1
Remove the plugs or caps from the refrigerant piping and make sure they are
clean.
2
Remove the 4‑way valve coil from the spare part 4‑way valve body.
3
Install the 4‑way valve body in the correct location and correctly oriented.
Insert the pipe ends in the pipe expansions.
4
Supply nitrogen to the refrigerant circuit. The nitrogen pressure MUST NOT
exceed 0.02 MPa.
5
Wrap a wet rag around the 4‑way valve body and any other components near
the 4‑way valve and solder the 4‑way valve pipes to the refrigerant pipes.
b
c
b
a
a
Putty
b
4‑way valve pipe
c
4‑way valve
CAUTION
Overheating the valve will damage or destroy it.
6
After soldering is done, stop the nitrogen supply after the component has
cooled‑down.
7
Install the putty (if available) and the insulation (if available) in their original
location.
8
Install the 4‑way valve coil on the 4‑way valve body, see
9
Perform a pressure test, see
120].
10
Add
refrigerant
to
the
refrigerant
circuit,
see
124].
To install the 4-way valve coil
1
Install the 4‑way valve coil on the 4‑way valve body.