Fan Inverter Pcb; Single Fan Outdoor Unit - Daikin VRV IV+ Service Manual

3 Components
To install the expansion valve motor with clip
1 Install the expansion valve motor on the expansion valve body.
INFORMATION
The expansion valve motor is equipped with a pipe
retention clip. Install the pipe retention clip over the pipe to
lock the expansion valve motor.
a
b
c
a Expansion valve motor
b Pipe retention clip
c Pipe
2 Route the expansion valve motor harness towards the
appropriate PCB.
3 Connect the expansion valve motor connector to the
appropriate PCB.
WARNING
When reconnecting a connector to the PCB, do NOT apply
force, as this may damage the connector or connector pins
of the PCB.
4 Fix the expansion valve motor harness using new tie straps.
Is the problem solved?
Yes
No
To install the expansion valve motor with bracket
1 Install the expansion valve motor on the expansion valve body.
INFORMATION
The expansion valve motor is equipped with a metal
bracket. Fit the nipples of the metal bracket into the
notches of the expansion valve body.
Service manual
92
https://daikin-p.ru/catalog/vrv-daikn/naruzhnye-vrv-bloki-daikin
Action
No further actions required.
Return to "3.5.1 Checking
procedures" on page 89 of the
expansion valve and continue
with the next procedure.
a c b c
a Expansion valve motor
b Metal bracket
c Nipple
d Notch
e Expanion valve body
2 Route the expansion valve motor harness towards the
appropriate PCB.
3 Connect the expansion valve motor connector to the
appropriate PCB.
WARNING
When reconnecting a connector to the PCB, do NOT apply
force, as this may damage the connector or connector pins
of the PCB.
4 Fix the expansion valve motor harness using new tie straps.
Is the problem solved?
Yes
No
3.6

Fan inverter PCB

NOTICE
Select the correct type.
3.6.1

Single fan outdoor unit

Checking procedures
INFORMATION
It is recommended to perform the checks in the listed
order.
To perform a power check of the fan inverter PCB
1 Measure the voltage between pins 1 and 3 of connector X5A
The measured voltage MUST be 18 V DC.
b
a Pin 1
b Pin 2
d e
Action
No further actions required.
Return to "3.5.1 Checking
procedures" on page 89 of the
expansion valve and continue
with the next procedure.
a
RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ Heat Pump
ESIE18-14 – 2019.07