Daikin VRV IV+ Service Manual page 340

3 | Components
To remove the solenoid valve body
Service manual
340
a
b
a Screw
b Solenoid valve coil
c Solenoid valve body
2 Remove the solenoid valve coil from the solenoid valve body.
3 Disconnect the solenoid valve connector from the main PCB.
4 Cut all tie straps that fix the solenoid valve harness.
5 To install the solenoid valve coil, see
Prerequisite: Recuperate the refrigerant from the refrigerant circuit, see
"4.2.2 Repair procedures" [
Prerequisite: If needed, remove any parts or insulation to create more space for
the removal.
1 Remove the solenoid valve coil, see
2 Cut the solenoid valve body pipes using a pipe cutter.
a
b
a Solenoid valve body
b Pipe
3 Remove the solenoid valve body.
4 Supply nitrogen to the refrigerant circuit. The nitrogen pressure MUST NOT
exceed 0.02 MPa.
5 Heat the end of the solenoid valve pipe using an oxygen acetylene torch and
remove the solenoid valve pipe end.
"3.19.2 Repair
4
368].
"3.19.2 Repair
c
4
procedures" [ 339].
4
procedures" [ 339].
b
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05