3 | Components
Service manual
45
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01
3.1.2 Repair procedures
To remove the 4-way valve coil
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "3.14Plate work"[4151].
Prerequisite: If needed, remove any parts to create more space for the removal of
the 4‑way valve coil.
1 Remove the screw and remove the 4‑way valve coil from the 4‑way valve
body.
A Class 20~35 unit
a Screw
b 4‑way valve coil
c 4‑way valve body
A Class 42~71 unit
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 "Repair procedures"[445].
To remove the 4-way valve body
Prerequisite: Recuperate the refrigerant from the refrigerant circuit, see "Repair
procedures"[4209].