Selecting Dhw Circulation; Selecting The Solar Connection; Solar Type Selection; Changing The Heating Circuit Designations - Viessmann Vitoligno 300-C Installation And Service Instructions For Contractors

Commissioning, inspection, maintenance

Selecting DHW circulation

To specify whether a DHW circulation pump is connec-
ted, press the following keys:
1. / for DHW circulation "Yes/No"
| ~

Selecting the solar connection

Press the following keys:
1. / for "No":
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Not installed.
for "On the boiler":
Connected at internal PCB.
for "On the external solar module":
Connected to Vitosolic via KM BUS.

Solar type selection

Only available, if "On the boiler" was previously
selected.
Press the following keys:
1. / for diverter valve "Yes/No"
| ~

Changing the heating circuit designations

Press the following keys:
1. / to change the letters.
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Diagnosis

Behind every term on the display there must be a
value or text. Check the corresponding electrical con-
nection if nothing is displayed.
Press to continue to the next display.
d
The following displays appear in sequence:
■ "General"
■ "Boiler"
34
2. to confirm.
d
2. d to confirm.
2. to confirm.
d
2. / to select the next character.
Ù Ú
3. to confirm.
d
■ "Buffer"
■ "Charging"
■ "Heating circuit 1"
"Heating circuit 2"
■
"Heating circuit 3"
■
"Heating circuit 4"
■
■ "DHW"
■ "Solar"