3
|
Components
Service manual
337
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
a
b
a
Refrigerant pressure sensor
b
Refrigerant pressure sensor pipe
CAUTION
Overheating the pressure sensor will damage or destroy it.
4
After soldering is done, stop the nitrogen supply after the component has
cooled‑down.
5
Route the refrigerant pressure sensor harness towards the appropriate PCB.
6
Connect the refrigerant pressure sensor connector to the appropriate PCB.
7
Fix the refrigerant pressure sensor harness using new tie straps.
8
Add
refrigerant
to
the
refrigerant
circuit,
see
368].
Is the problem solved?
Action
Yes
No further actions required.
No
Return to the troubleshooting of the
specific error and continue with the
next procedure.
3.19 Solenoid valve
3.19.1 Checking procedures
INFORMATION
It is recommended to perform the checks in the listed order.
To perform a mechanical check of the solenoid valve
Prerequisite:
Stop the unit operation via the central controller.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
1
Verify that the screw is firmly fixing the coil to the valve body.
2
Check if any damage or burst is present.
Summary of Contents for VRV IV+
Page 473: ......
Page 474: ......
Page 475: ......
Page 476: ...ESIE18 15B 2020 05 Copyright 2020 Daikin Verantwortung für Energie und Umwelt ...