Viessmann VITOCAL 300-A Installation And Service Instructions Manual page 69

Electrical connections in the control panel
1. Type AWC-I-M:
Route the 230 V~ cables through
one cable entry, and the LV cable
through the other cable entry in the
r.h. side panel.
Type AW-O-M:
Cut one entry in the sealing mat for
the 230 V~ cables and a second
entry for the LV cable. Route the
cables from below through the
sealing mat.
2. Route the cables along the bottom
panel and upwards at the corner
panel. Secure the LV cable and
230 V~ cables separately.
3. Secure the LV cable below the front
edge of the control panel with a
loop to the cable bracket.
4. Push the LV cable from the control
unit into the corresponding plug-in
connector in the control panel and
secure with screws.
Installation sequence
(cont.)
5. Secure the 230 V~ power supply
cable with a loop to the cable
bracket, route through the cable fit-
ting and apply strain relief. Carry
out the power supply connection
according to page 95.
Note
The 230 V~ power supply connec-
tion is protected against accidental
contact with a contact shield. This
contact shield can be sealed for
power-OFF (if required) (see
page 98).
6. Secure the electrical connecting
cable (230 V~ control cable) with a
loop to the cable bracket, push
onto corresponding plug-in con-
nector in the control panel and
secure with screws.
7. Secure all cables with cable ties.
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