Daikin VRV IV+, Service Manual

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3 | Components
Service manual
289
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
23 Install the screws (a) to fix the power terminal assembly (b).
For double fan units
24 Clean the heat sink surface and apply a thin layer of heat sink compound to
the heat sink surface.
25 Install the inverter PCB on its correct location.
26 Latch the PCB supports (c) to fix the PCB.
27 Install and tighten the 2 screws (d) to fix the inverter PCB to the heat sink
plate.
a
b
a
b b b b b
b
b c c
c c c
c
c a
a
c
d
d
a Connector
b Connector
c PCB support
d Screw
28 Install the 4 screws (e) that fix the heat sink (f) to the switch box.
e f e
e e
e f e
e e
e Screw
f Heat sink
29 Connect all connectors (a) to the inverter PCB.
30 Connect the wire terminals (b) to the inverter PCB.
Is the problem solved? Action
Yes No further actions required.
No Return to "3.10.1 Checking
procedures" [ 4 274] of the inverter PCB
and continue with the next procedure.