Daikin FTXP20-71L, Service Manual

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3 | Components
Service manual
122
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
Split Comfora R32
ESIE18-01E – 2023.01
3.10 Reactor
3.10.1 Checking procedures
To perform an electrical check of the reactor
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Remove the required plate work, see "3.9 Plate work" [ 4 111].
2 Open the compressor insulation.
DANGER: RISK OF ELECTROCUTION
Wait for at least 10 minutes after the circuit breaker has been turned OFF, to be sure
the rectifier voltage is below 10 V DC before proceeding.
3 Remove the cover of the compressor wire terminals.
a
a Compressor wire terminals cover
4 Visually check the reactor for any damage or burnt‑out components. If any
damage is found, replace the reactor, see
"3.10.2 Repair procedures" [
4
123].
5 Disconnect the wiring from the reactor.
INFORMATION
The reactor will trip at a temperature of 115°C and will reset at a temperature of
95°C.
6 Using a megger device of 500 V DC, check the insulation resistance. Make sure
there is no earth leakage.
Is the measured insulation resistance
correct? Action
Yes Continue with the next step.
No Replace the reactor, see "3.10.2 Repair
procedures" [
4
123].
7 Measure the continuity of the reactor.