Daikin FTXP20-71L Service Manual page 97

To install the main PCB
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
Split Comfora R32
ESIE18-01E – 2023.01
5 Disconnect the Faston connectors from the reactor.
6 Remove the screw and remove the ground wiring from the switch box.
7 Remove the screws from the main PCB.
8 Carefully pull the main PCB from the PCB supports
9 Remove the main PCB from the unit.
10 To install the main PCB, see
ARXP20~35N + RXP20~35N units
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 Disconnect all connectors and Faston connectors from the main PCB.
b
b
a Screw
b PCB support
2 Remove the screws from the main PCB.
3 Carefully pull the main PCB from the PCB supports
4 Remove the main PCB from the unit.
5 To install the main PCB, see
ARXP-L + ARXP-M + RXP-L + RXP-M + RXP50~71N units
1 Apply grease to the PCB contact surface of the heat sink. Distribute the grease
as evenly as possible.
CAUTION
ALWAYS apply new grease on the PCB heat sink. NOT doing so may cause the PCB to
fail due to insufficient cooling.
2 Install the main PCB in the correct location on the PCB supports.
"3.7.2 Repair procedures" [
"3.9 Plate
a
a a
"3.7.2 Repair procedures" [
3 Components
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4
96].
4
work" [ 111].
4
96].
Service manual
97