Viessmann VITOLIGNO 300-P Operating Instructions Manual page 16

Heating system with weather-compensated, digital boiler and heating circuit control unit vitotronic 300 type fw1

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Start-up/shutdown

Stopping DHW heating

■ Central heating will be provided with

standard or reduced room

temperature (frost protection)

according to the set switching times.

Standard setting:

From 06:00 to 22:00 h standard room

temperature; otherwise reduced room

temperature.

■ No DHW heating.

Observe the information on

page 27.

■ The boiler and the DHW cylinder are

protected against frost.

(cont.)

Note

The cylinder primary pump is briefly

started every 24 hours to prevent it from

seizing up.

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