Testing The High Limit Safety Cut-Out; Changing The Language On The Vitotronic 300-K; Setting The Date And Time The Vitotronic 300-K - Viessmann VITOTRONIC 300 Installation And Service Instructions Manual

Commissioning

Testing the High Limit Safety Cut-out

Changing the Language on the Vitotronic 300-K

Setting the Date and Time on the Vitotronic 300-K
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Vitotronic 300, GW5B & MW1B Installation and Service
The minimum circulation volume should be 10% of the
circulation volume at rated load.
Reduce the heat consumption as far as possible.
1. Hold down the "TEST" key until the burner has shut
down: Thermostat is bridged. The high limit safety
cut-out must shut down the burner at the latest when
the safety temperature has been reached.
2. Release the "TEST" key.
3. Wait until the boiler water temperature has dropped
approx. 15 to 20 K below the selected safety
temperature.
4. Reset the high limit safety cut-out by pressing reset
button.
Operating instructions
At the commissioning stage, the display is in German
(default setting).
Extended menu:
1.
2. "Einstellungen" (Settings)
3. "Sprache" (Language) Deutsch DE (German)
4. Set the required language with
During commissioning, or after prolonged time out of use,
the time and date need to be reset.
Extended menu:
1.
2. "Settings"
3. "Time / Date"
4. Set current time and date.