Reactor; Checking Procedures - Daikin Split Sensira R32 Service Manual

3.11 Reactor

3.11.1 Checking procedures

To perform an electrical check of the reactor
(A)(F)TXF20~71A + FTXF20~25B + (A)(F)TXF20~42C + (A)(F)TXF20~42D +
(A)(F)TXF20~42E + (A)RXF20~71A + RXF20~60B + (A)RXF20~42C +
(A)RXF20~42D + (A)RXF20~42E
Split Sensira R32
ESIE18-12G – 2023.01
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Remove the required plate work, see
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.
2 Visually check the reactor for any damage or burnt‑out components. If any
damage is found, replace the reactor, see
Class 20~42 units
1 Check the connections of the reactor on the main PCB and check continuity of
the wires, see "6.2 Wiring
2 Remove the Faston connectors from the reactor.
a Reactor
3 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
4 Measure the resistance of the reactor.
Result: The measured resistance MUST be 105.3~128.7 mΩ.
Is the resistance measurement correct? Action
Yes
No
"3.10 Plate
"3.11.2 Repair
4
diagram" [ 169].
a
Action
Continue with the next step.
Replace the reactor, see
procedures" [
Return to the troubleshooting of the
specific error and continue with the
next step.
Replace the reactor, see
procedures" [
3 | Components
4
work" [ 124].
4
procedures" [ 137].
"3.11.2 Repair
4
137].
"3.11.2 Repair
4
137].
Service manual
135