Removal Of The Float Switch (X4E Series Only) - Hitachi RCI-1.0FSR Service Manual

7 Servicing
KPI-(252-2002)(E/X)4E - Energy recovery and active energy recovery ventilation units
5 Draw out the air filters (2 pieces) which are located at the bottom of the heat exchanger elements.

7.9.6 Removal of the float switch (X4E series only)

1 Remove the 4 screw from the service cover (a) situated closed the SA duct connector and remove the service cover.
2 Float switch is on the bottom left side, close de service window.
3 Unscrew the nut on the float switch and remove from its bracket.
4 Unplug the connector that is inside the protection cap and take out the float switch.
272 SMGB0137 rev.0 - 05/2021