Viessmann Vitotronic 300 Installation And Service Instructions Manual page 33

Type gw5b, vitotronic 300, type gw5b weather-compensated, digital boiler control unit for boiler model cm2 - 400, 500, 620 and 620 tx

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Vitotronic 300, GW5B Installation and Service

Adjusting Heating Curves

Outside temperature

A Changing the slope

B Changing the shift

(vertical parallel offset of the heating curve)

Example: Heating curve setting with slope 1.5

(continued)

Changing the slope and shift

Individually adjustable for each heating circuit.

Extended menu:

2. "Heating"

3. Select heating circuit.

4. "Heating curve"

5. "Slope" or "Shift"

6. Select heating curve according to the system

requirements.

Commissioning

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