Dc Fan - Hitachi IJ UX Service Manual

3.3.16 DC fan

[Function]
- Input voltage: DC 24V
For air agitation to uniform the controller part air temperature
[Note at the replacement]
- When replacing the DC fan, be sure to turn off the power.
- Be sure to joint the connector.
- When installing the DC fan, pay attention to the mounting direction of NP (name plate)
and harness.
Fan guard
[Replacement procedure of DC fan]
(1) Turn off the main power and open the maintenance door.
(2) Remove the DC fan connector (CN21) on EZJ126 board.
Remove the two fixing screws of fan plate.
(3) Remove the two fixing screws of DC fan , then remove the DC fan.
(4) Install a new DC fan by reversing the above procedure.
Fan guard
Mark
Fan guard
Fan plate
Two fixing screws of Fan plate
3-46
DC fan
Red wire: 24V
Black wire: GND
White wire: Sensor output
DC fan
Two fixing screws of DC fan
Fan plate