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Components
Service manual
234
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
a
a
a
a
a
Strip
4
Attach all the strips (a).
3.4 Crankcase heater
3.4.1 Checking procedures
INFORMATION
It is recommended to perform the checks in the listed order.
To perform an electrical check of the crankcase heater
Prerequisite:
Stop the unit operation via the central controller.
Prerequisite:
Turn OFF the respective circuit breaker.
1
Remove the required plate work, see
315].
DANGER: RISK OF ELECTROCUTION
Confirm the rectifier voltage is below 10 V DC before proceeding, see
2
Open the compressor insulation.
3
Detach the spring that fixes the crankcase heater on the compressor.
a
b
a
Spring
b
Crankcase heater
Summary of Contents for VRV IV+
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