Opening The Control Unit Enclosure On The Gas Condensing And Fuel Cell Module; Electrical Connections - Viessmann Vitovalor PT2 E11T Installation And Service Instructions Manual

Installation sequence

Opening the control unit enclosure on the gas condensing and fuel cell module

4.
2.
1.
Fig. 27
1. Undo 2 self-tapping screws and remove the trans-
port locking plate.
2. Swivel the control unit enclosure forwards across
the detente point.
3. Undo the side release clips (red).
4. Swivel the wiring chamber cover backwards and
out of the control unit enclosure.

Electrical connections

A B
40 156 156
Fig. 28
34
3.
2x
96
P1
!
Please note
Electronic assemblies can be damaged by elec-
trostatic discharge.
Prior to commencing any work, touch earthed
objects such as heating or water pipes to dis-
charge static loads.
C
74 5 1
D E
91 91