Viessmann VITOCAL 242-G Installation And Service Instructions Manual page 88

Installation sequence
Installing a 400 V full wave soft starter (as of BWT . . .
1. Fit the retaining bracket provided to
the left side of full wave soft starter.
To do this:
Remove cable ties from the left
side of the full wave soft starter.
Slide the retaining bracket
between the cable and base
plate and secure with 2 screws.
Secure the cable with a new
cable tie (lead through an open-
ing in the base of the retaining
bracket).
88
2. Danger
The absence of component
earthing can transfer dan-
gerous body currents,
should an electrical fault
occur.
It is important to connect the
earth strap from the cross-
bar to the full wave soft star-
ter.
Attach full wave soft starter to
upper crossbar with 2 screws.
3. Secure the retaining bracket to the
right side panel.
4. Plug the connector from the com-
pressor (4-pin plug with designated
PE, 9, 10, 11) to the right side of
the full wave soft starter.
5. Plug cables from the left side of the
full wave soft starter to pos. K of
the control module (see page 22).
Note
The plug must click home.
(cont.)