Daikin Stylish Series Service Manual page 21

a
a Compressor wire terminals cover
4 Disconnect the Faston connectors from the compressor wire
terminals U, V and W.
a a
a
a Faston connectors
INFORMATION
Note the position of the Faston connectors on the
compressor wire terminals to allow correct connection
during installation.
5 Measure the resistance between the compressor motor
windings U-V, V-W and U-W. All measurements MUST be the
same.
6 Re-connect the Faston connectors and run the compressor.
7 Measure the current in each phase U-V, V-W and U-W. All
measurements MUST be the same.
Compressor motor winding Action
measurements are correct?
Yes Perform an insulation check of
the compressor, see
"2.2.1 Checking procedures" on
page 20.
No Replace the compressor, see
"2.2.2 Repair procedures" on
page 22.
(C)(F)TXA15~50A2V1B(W)(S)(T) + RXA42+50A2V1B +
RXA20~35A2V1B
Split Stylish R32
ESIE18-03 – 2018.09
To perform an insulation check of the compressor
Prerequisite: First perform an electrical check of the compressor,
see "2.2.1 Checking procedures" on page 20.
Prerequisite: Turn OFF the unit via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
work" on page 40.
1 Open the compressor insulation.
WARNING
The smoothing capacitor MUST discharge below 10 V DC
before disconnecting the Faston connectors from the
compressor wiring terminals. Risk of electrocution.
2 Remove the cover of the compressor wire terminals.
a
a Compressor wire terminals cover
3 Disconnect the Faston connectors from the compressor wire
terminals U, V and W.
a a
a
a Faston connectors
INFORMATION
Note the position of the Faston connectors on the
compressor wire terminals to allow correct connection
during installation.
4 Set the Megger voltage to 500 V DC or 1000 V DC.
5 Connect the Megger ground test lead directly to the compressor
ground wire.
2 Components
"2.13 Plate
Service manual
21