Daikin VRV IV+ Service Manual page 341

To install the solenoid valve body
To install the solenoid valve coil
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
6 Stop the nitrogen supply when the piping has cooled down.
7 To install the solenoid valve body, see
1 Install the solenoid valve body in the correct location.
2 Supply nitrogen to the refrigerant circuit. The nitrogen pressure MUST NOT
exceed 0.02 MPa.
3 Wrap a wet rag around the solenoid valve body and solder the refrigerant
pipes to the solenoid valve body.
a
b
a Solenoid valve body
b Pipe
CAUTION
Overheating the valve will damage or destroy it.
4 After soldering is done, stop the nitrogen supply after the component has
cooled‑down.
5 To install the solenoid valve coil, see
6 Add refrigerant
4
procedures" [ 368].
1 Install and tighten the screw to fix the solenoid valve coil to the solenoid valve
body.
"3.19.2 Repair
"3.19.2 Repair
to the refrigerant
3 Components
|
4
procedures" [ 339].
b
4
procedures" [ 339].
circuit, see "4.2.2 Repair
Service manual
341