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5.2 Access to the control PCB
1
2
3
Disconnect the power to the unit.
Remove the 3 screws from the front cover.
Then remove this cover.
Remove the 3 screws from the display cover.
Then remove this cover.
Remove the 4 screws from the electronics cover.
Then remove this cover.
5.3 Changing the installation position of the preheater
1
2
3
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.
Pull the black connector of the preheater from
the control PCB.
Remove the preheater, including wiring and
sealing grommet, from the unit.
4
180º
5
Rotate the preheater 180°.
Slide the preheater, including wiring and sealing
grommet, to the other side in 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.
10001047667-0619-zw-zw-A4 ComfoAir E 350 GEN2 Service Zehnder-SI_EN.indd 27
11-07-19 13:31
