Daikin EBLA04E V Series Service Manual page 114

4 | Components
To remove the 4-way valve body
Service manual
114
draft – 31/05/2022 15:53
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
Prerequisite: Recuperate the refrigerant from the refrigerant circuit, see
"5.2.2 Repair procedures" [
1 Remove the 4‑way valve coil from the 4‑way valve body, see
4
procedures" [ 113].
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.
d
a 4‑way valve pipe
b 4‑way valve
c Putty
d Insulation
5 Stop the nitrogen supply when the piping has cooled down.
6 Remove the 4‑way valve.
a b
"4.2.2 Repair
4
261].
c a b a
4
procedures" [ 113].
"4.2.2 Repair
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05