Daikin Split Comfora R32 Service Manual page 42

2 | Components
To remove the 4-way valve body
Service manual
42
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 Disconnect the 4‑way valve coil connector from the appropriate PCB.
4 To install the 4‑way valve coil, see
Prerequisite: Recuperate the refrigerant from the refrigerant circuit, see
"3.2.2 Repair procedures" [
1 Remove the 4‑way valve coil from the 4‑way valve body, see
4
procedures" [ 41].
2 Cut the 4‑way valve pipes using a pipe cutter.
INFORMATION
The cutting locations of the 4‑way valve pipes can differ due to the pipe cutter
needing sufficient space to go around the pipes. It is up to the technician to define
the best cutting locations. If any refrigerant pipes are cut, these need to be replaced
during installation of the 4‑way valve body.
d
a 4‑way valve pipe
b 4‑way valve
c Putty
d Insulation
3 Remove the 4‑way valve.
4 Keep the putty (if installed) and the insulation (if installed) for re-use.
5 Supply nitrogen to the refrigerant circuit. The nitrogen pressure MUST NOT
exceed 0.02 MPa.
6 Heat the ends of the 4‑way valve pipes using an oxygen acetylene torch and
remove the expansion valve pipe ends.
a b
"2.1.2 Repair
4
127].
c a b a
4
procedures" [ 41].
"2.1.2 Repair
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
Split Comfora R32
ESIE18-01C – 2020.07