Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual page 71

Commissioning the heating system
To specify the location for connection of DHW heating,
press the following keys:
1. / For "No":
| ~
Not installed or DHW heating connected to a
combi cylinder.
For "On the boiler":
Connected at internal PCB.
For "On the mixer module":
Connected to extension kit via KM-BUS.
Selecting DHW circulation
Note
Only available if previously:
DHW connection "On the boiler" was selected or a
■
further group is available on the HKK PCB.
To specify whether a DHW circulation pump is connec-
ted, press the following keys:
1. / For DHW circulation, select "Yes" or "No".
| ~
Selecting the "Solar" connection
Note
Only available if "No" was selected for the cascade or
boiler number "1" was selected.
To calculate the solar yield, the nominal flow rate or the
solar circuit pump must be set in coding address 75.
(See "Codes").
To specify the location for connection of the solar cir-
cuit, press the following keys:
1. / for "No":
| ~
Not installed.
For "On the boiler":
Connected at internal PCB.
For "On the external solar module":
Connected to Vitosolic via KM-BUS.
Selecting the solar diverter valve
Note
Only available if the following settings were previously
selected:
■ "Solar on boiler"
and
"DHW"
■
and
Buffer temperature sensor "3", "4" or "5"
■
Commissioning, inspection, maintenance
(cont.)
2. To confirm.
d
2. To confirm.
d
2. To confirm.
d
Press the following keys:
1. / For "No":
| ~
Not installed.
For "On the boiler":
Connected at internal PCB.
2. To confirm.
d
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