Daikin RXTA30B2V1B Service Manual page 55

To install the 4-way valve body
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+FTXTM30+40R2V1B+FTXTP25+35M5V1B+ATXTP25+35M5V1B
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02
a 4‑way valve pipe
b 4‑way valve
c Putty
5 Stop the nitrogen supply when the piping has cooled down.
6 Remove the 4‑way valve.
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
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 a
c a
"4.1.2 Repair procedures" [
4 Components
|
4
53].
Service manual
55