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Components
Service manual
48
RXQ25+3 3 3
35AMV1B
Split Sensira R32 BBOP
ESIE21-16 – 2022.02
a b
c
a
Screw
b
4‑way valve coil
c
4‑way valve body
2
Cut all tie straps that fix the 4‑way valve coil harness.
3
Unplug the 4-way valve connector from the appropriate PCB.
4
To install the 4‑way valve coil, see
47].
To remove the 4-way valve body
Prerequisite:
Recuperate the refrigerant from the refrigerant circuit, see
124].
1
Remove the 4‑way valve coil from the 4‑way valve body, see
47].
2
Remove and keep the putty (if installed) and the insulation (if installed) for re-
use.
3
Supply nitrogen to the refrigerant circuit. The nitrogen pressure MUST NOT
exceed 0.02 MPa.
4
Wrap a wet rag around the components near the 4‑way valve pipes. Heat the
brazing points of the 4‑way valve pipes using an oxygen acetylene torch and
remove the 4‑way valve pipes from the refrigerant pipes using pliers.
b
c
b
a
a
Putty
b
4‑way valve pipe
c
4‑way valve
5
Stop the nitrogen supply when the piping has cooled down.
6
Remove the 4‑way valve.