Fitting The Control Unit Cover And Protective Panel - Viessmann Vitoligno 300-C Installation And Service Instructions For Contractors

Installation sequence
Electrical connection
2. Connect the power cable in the junction box and
the control unit (on-site).
Danger
Incorrect core assignment can result in seri-
ous injury and damage to the appliance.
Take care not to interchange wires "L1" and
"N".

Fitting the control unit cover and protective panel

Fig. 13
20
(cont.)
1.
Colour coding to DIN IEC 60757:
BN Brown
BU Blue
GNYE Green/yellow
2.