Daikin Sky Air Advance RZA200D7Y1B Service Manual page 59

To perform an insulation check of the compressor
RZA200+250D7Y1B
Sky Air Advance-series
ESIE19-13A – 2020.05
Compressor motor winding
measurements are correct?
Yes
No
5 Connect the Faston connectors to the compressor wire terminals U, V and W
a
a Faston connector
6 Install the compressor insulation.
7 Turn ON the power using the respective circuit breaker.
8 Start the unit operation via the user interface.
9 Once the compressor operates, measure the U-V-W inverter voltages. All
measurements MUST be the same.
Inverter voltage measurements are
correct?
Yes
No
10 Measure the current in each phase U-V, V-W and U-W. All measurements
MUST be the same.
Compressor motor winding current
measurements are correct?
Yes
No
Prerequisite: First perform an electrical check of the compressor, see
"3.2.1 Checking procedures" [
Prerequisite: Stop the unit operation via the user interface.
1 Turn OFF the respective circuit breaker.
Action
Continue with the next step.
Replace the compressor, see
"3.2.2 Repair
a
a
Action
Continue with the next step.
Replace the inverter PCB, see
"3.7 Inverter
Action
Perform an insulation check of the
compressor, see
procedures" [
Preventively replace the compressor,
see "3.2.2 Repair
4
56].
3 Components
|
4
procedures" [ 61].
4
PCB" [ 81].
"3.2.1 Checking
4
56].
4
procedures" [ 61].
Service manual
59