Viessmann Type B2HA Operations Instructions Page 24

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24
Routing the connecting cables
!
Please note
If power cables touch hot compo-
nents they will be damaged.
When routing and securing
cables/leads on site, ensure that
the maximum permissible tem-
peratures for these cables/leads
are not exceeded.
5
A
C
E
D
B
F
A
LV connections
B
230 V connections
C
Internal extension
D
Main PCB
E
Communication module
F
Cable grommet for power cable
Remove the existing cable grommet
when using larger cross-sections
(up to
7
14 mm). Secure the cable
with cable grommet
F
(white).
%
Type B2HA:
Plugs for connecting the cylinder
temperature sensor to the cable har-
ness
Type B2KA:
Plug for comfort sensor (connected
at the factory)
Installation sequence
Electrical connections
(cont.)
5772 909 GB
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