Reactor; Checking Procedures - Daikin Comfora XP Series Service Manual

3.11 Reactor

3.11.1 Checking procedures

To perform an electrical check of the reactor
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
Split Comfora R32
ESIE18-01D – 2022.02
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Remove the required plate work, see
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 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
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?
Yes
No
7 Measure the continuity of the reactor.
"3.10 Plate work" [
a
"3.11.2 Repair
Action
Continue with the next step.
Replace the reactor, see
4
procedures" [ 112].
3 Components
|
4
100].
4
procedures" [ 112].
"3.11.2 Repair
Service manual
111