Reactor; Checking Procedures - Daikin Emura RXJ20A5V1B Service Manual

4 | Components

4.15 Reactor

4.15.1 Checking procedures

To perform an electrical check of the reactor
Service manual
156
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 20~35 units
1 Check that the reactors are firmly installed on the main PCB.
a Reactor
2 Remove the main PCB, see
measuring points are ONLY reachable on the back side of the main PCB.
3 Measure the resistance of the reactor using a low ohm multi meter.
Result: The resistance MUST be as follows:
Measuring points
c
d
"4.14 Plate
"4.15.2 Repair
a
a
"Repair procedures" [
Resistance
24~36 mΩ
68~102 mΩ
4
work" [ 144].
4
procedures" [ 159].
4
124]. The reactor
RXJ20~50A + FTXJ-A(W)(S)(B)
Split Emura 3 R32
ESIE22-04B – 2022.08