Viessmann Vitocal 300-G BW, Installation And Service Instructions Manual

Page: 66 / 216

66
1. Route external cables to the rear top
edge of the appliance and through
the cable trunking to the terminal
area. Trim cables
inside the appli-
ance to a length of approx. 100 cm
plus wall clearance.
2.
!
Please note
Routing low voltage and
230/400 V cables in close
proximity can create a mutual
interference which may result
in equipment damage.
Route low voltage and
230/400 V leads/cables as far
away from each other as pos-
sible, bundle them separately
with cable ties and secure
with cable ties as strain relief
to the cut-outs in the floor
plate to prevent shifting rela-
tive to each other.
3. Strip the insulation as close to the ter-
minal as possible.
■ Length of the stripped part of mains
cables approx. 10 cm
■ Length of the stripped part of all
other cables/leads approx. 20 cm
4. Make all external electrical connec-
tions in accordance with the instruc-
tions starting on page 66.
Positioning of all terminals
In case of some accessories, parameters may have to be changed.
■ For the position of and an explanation
regarding the PCBs and terminal
markings, see from page 61.
■ The total output of all connected appli-
ances must not exceed 1000 W. If the
total output
≤
1000 W, the individual
rating of a component (column "Com-
ments") can be greater than specified.
Pumps
Equipment Connection Comments
ID
Setting parameters (group)
Circulation pump for
cylinder heating 2X7.10
1X1.
?
1X2.N
max. 130 W
7000 System diagram with DHW
Installation sequence
Inserting cables/leads
(cont.)
5368 522 UAE