Plate Work; To Access The Switch Box On Single Fan Units - Daikin VRV IV+ Service Manual

3 Components
8 Remove the DC fan motor assembly from the unit.
9 To install the DC fan
procedures" on page 117.
To install the DC fan motor assembly
1 Install the DC fan motor assembly in the correct location.
2 Install and tighten the 4 screws.
3 Route the DC fan motor cable.
4 Attach the DC fan motor cable.
5 Install a new tie strap to fix the DC fan motor cable.
6 Connect the DC fan motor connector to the connector on the
fan inverter PCB.
7 Install the propeller fan blade assembly, see
procedures" on page 117.
8 Install the plate work of the outdoor unit, see
work" on page 118.
To install the propeller fan blade assembly
1 Install the propeller fan blade assembly on the DC fan motor
assembly.
CAUTION
Do NOT install a damaged propeller fan blade assembly.
2 Install the axle cover.
3 Install and tighten the screw using an Allen key to fix the
propeller fan blade assembly.
b a d
c
a Screw
b Allen key
c Axle cover
d Propeller fan blade assembly
Is the problem solved?
Yes
No
3.13

Plate work

3.13.1 To access the switch box on single fan
units
Prerequisite: Stop the unit operation (via the user interface, central
controller, operation switch, ...).
Prerequisite: Turn OFF the respective circuit breaker.
1 Remove the required plate work, see
page 118.
Service manual
118
https://daikin-p.ru/catalog/vrv-daikn/naruzhnye-vrv-bloki-daikin
motor assembly, see "Repair
"Repair
"3.13 Plate
e
Action
No further actions required.
Return to "Checking
procedures" on page 116 of the
outdoor unit fan motor and
continue with the next procedure.
"3.13 Plate work" on
DANGER: RISK OF ELECTROCUTION
Confirm rectifier voltage is below 10 V DC before
proceeding.
b
b
a
b
b
d
c
d
d
a Main PCB
b Screw
c Power supply terminal assembly
d Screw
2 Remove the 4 screws that fix the main PCB assembly.
3 Remove the 3 screws that fix the power supply terminal
assembly.
a
b
c
a Main PCB
b Power input wiring
c Noise filter PCB
4 Slightly tilt the main PCB assembly to access the power input
wiring on the noise filter PCB.
5 Remove the power input wiring from the noise filter PCB.
RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ Heat Pump
ESIE18-14 – 2019.07