Selecting Zone Circuits; Slecting Zone Circuit Type; Select Fixed Setpoint; Adjust Heating Curve - Viessmann Vitocrossal 300 Series Service Instructions Manual

Start-up
Vitocrossal 300 CU3A 26 to 199 Service
Start-up Wizard
(continued)
Select zone circuit type
Each zone circuit can be operated either as a fixed
setpoint or weather compensated (using the outdoor
temperature sensor) thermostat, use to select and
press OK.

Select fixed setpoint

For zone circuits with fixed setpoint operation select
desired supply water temperature use to adjust and
press OK.

Adjust heating curve

Select between slope and shift with and to adjust
and press OK.
Select pump output
Assign desired pump output for zone circuit with and
press OK.
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