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3
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Components
Service manual
342
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
c
a
b
a
Screw
b
Solenoid valve coil
c
Solenoid valve body
2
Route the solenoid valve harness towards the switch box.
3
Connect the solenoid valve connector to the main PCB.
WARNING
When reconnecting a connector to the PCB, do NOT apply force, as this may damage
the connector or connector pins of the PCB.
4
Fix the solenoid valve harness using new tie straps.
INFORMATION
Replace all cable ties that were cut during removal.
Is the problem solved?
Action
Yes
No further actions required.
No
valve and continue with the next
procedure.
3.20 Sub PCB
3.20.1 Checking procedures
INFORMATION
It is recommended to perform the checks in the listed order.
To perform a power check of the Sub PCB
Prerequisite:
Stop the unit operation via the central controller.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
315].
1
Turn ON the power of the unit.
Summary of Contents for VRV IV+
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