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Components
Service manual
237
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
To install the crankcase heater
1
Install the crankcase heater on the compressor.
2
Attach the spring to fix the crankcase heater.
a
b
a
Spring
b
Crankcase heater
3
Route the crankcase heater harness towards the switch box.
4
Connect the crankcase heater connector to the appropriate 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.
5
Fix the crankcase heater 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
Return to the troubleshooting of the
specific error and continue with the
next procedure.
3.5 Current sensor
3.5.1 Checking procedures
To perform an electrical check of the current sensor
Prerequisite:
Stop the unit operation via the central controller.
Prerequisite:
Turn OFF the respective circuit breaker.
1
Remove the required plate work, see
2
Locate the current sensor connector on the main PCB, see
Summary of Contents for VRV IV+
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