Access To The Control Pcb; Changing The Installation Position Of The Preheater - Zehnder Rittling ComfoAir E350 Manual

5.2 Access to the control PCB

1
Disconnect the power to the unit.
Remove the 3 screws from the front cover.
Then remove this cover.

5.3 Changing the installation position of the preheater

1
Go to the control PCB as described in Section
'Access to the control PCB':
■ Disconnect the power to the unit.
■ Remove the 3 front cover screws.
■ Remove the 3 screws from the display cover.
Then remove the cover;
■ Remove the 4 screws from the electronics
cover. Then remove the cover.
4
180º
Rotate the preheater 180°.
2
Remove the 3 screws from the display cover.
Then remove this cover.
2
Pull the black connector of the preheater from
the control PCB.
5
Slide the preheater, including wiring and sealing
grommet, to the other side in the unit.
3
Remove the 4 screws from the electronics cover.
Then remove this cover.
3
Remove the preheater, including wiring and
sealing grommet, from the unit.
For the right-hand unit:
The preheater is located on the left.
For the left-hand unit:
The preheater is located on the right.
EN - 27