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Components
Service manual
301
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
Is the problem solved?
Action
No
Return to the troubleshooting of the
specific error and continue with the
next procedure.
3.12.2 Repair procedures
To correct the wiring from the main power supply terminal to the noise filter PCB
Prerequisite:
Stop the unit operation via the central controller.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
1
315].
2
Make sure that all wires are firmly and correctly connected, see
3
Check the continuity of all wires.
4
Replace any damaged or broken wires.
Is the problem solved?
Action
Yes
No further actions required.
No
Return to
298] of the noise filter
PCB and continue with the next
procedure.
To remove the noise filter PCB
Prerequisite:
Stop the unit operation via the central controller.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
1
315].
2
Disconnect all the wires of the noise filter PCB.
INFORMATION
The connectors on the PCB can be screw- or Faston-type, depending on the model.
b
b
a
b
b
b
b
a
a
a
a
a
a
a
a
Connector
b
PCB supports
3
Carefully pull the PCB at the side and unlatch the PCB supports one by one
using a small pair of pliers.
4
To install the new noise filter PCB, see
301].
Summary of Contents for VRV IV+
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