Electrical Connections; Opening The Wiring Chamber; Layout Of The Electrical Connections - Viessmann B0KA Installation And Service Instructions Manual

Electrical connections

Opening the wiring chamber

2.
4x
3.
1.
Fig. 13

Layout of the electrical connections

Note
For further information on the connections, see the fol-
lowing chapters.
A
L N
B
L N N 1 L N L L N N L N L N L
40 96 20
Fig. 14
10 987654321 654321
100 35 54 21 X7
X20
!
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.
8 7 654321 9 8 7 654321
X6 X2 X9 X12 X5
Installation sequence
C D E
23