Removal Of The Electrical Box - Hitachi RCI-1.0FSN4 Service Manual

9 Servicing
KPI-(252-2002)(E/X)4E - Energy recovery and active energy recovery ventilation units

9.11.8 Removal of the electrical box

1 Unscrew the 2 screw from the service cover (c)
2 Unplug all connectors.
3 Disconnect the power supply and communication cables
from the terminal board
4 Loosen all four screws
5 Move the electrical box slightly upwards
6 Pull it out towards yourself
9.11.9 Removal of the PCB
1 Remove the electrical box
2 Disconnect all the connectors in the PCB.
3 Remove the PCB by unlocking the four (4) plastic
holders (*) per PCB
!
C A U T I O N
• Do not touch the electrical components of the PCB.
• Do not apply force to the PCB, as this could damage it.
• Pay special attention to the position of the connectors on the
PCB. An incorrect position during installation may damage
the PCB.
339 SMGB0099 rev.0 - 12/2016
6
4
5
4
6
6
(*)
(*)
PCB Holder Electrical box
4
4
9