Repair Procedures; High Pressure Switch; Checking Procedures - Daikin Sky Air Advance RZA200D7Y1B Service Manual

3 | Components

3.5.2 Repair procedures

To remove the fan inverter PCB
To install the fan inverter PCB

3.6 High pressure switch

3.6.1 Checking procedures

To perform an electrical check of the high pressure switch
Service manual
78
1 As there is no separate spare part for the inverter PCB and fan inverter PCB,
these need to be replaced as one complete assembly. See
4
procedures" [ 89].
1 As there is no separate spare part for the inverter PCB and fan inverter PCB,
these need to be replaced as one complete assembly. See
4
procedures" [ 89].
2 Clean the heat sink surface and apply a thin layer of heat sink compound to
the heat sink surface.
3 Install the fan inverter PCB on its correct location.
4 Latch the PCB supports using a small pair of pliers to fix the PCB.
5 Install and tighten the 2 screws to fix the fan inverter PCB to the heat sink
plate.
d
a
a
a Connector
b Screw
c Connector X1A
d Connector X4A
6 Connect all connectors to the fan inverter PCB.
7 Reinstall connector X4A which you recuperated from the removed PCB.
Is the problem solved?
Yes
No
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
b a
b c
a
Action
No further actions required.
Return to "3.5.1 Checking
4
procedures" [
PCB and continue with the next
procedure.
"3.12 Plate
"3.7.2 Repair
"3.7.2 Repair
74] of the fan inverter
work" [ 4 111].
RZA200+250D7Y1B
Sky Air Advance-series
ESIE19-13A – 2020.05