Viessmann Vitocrossal 300 CU3A Application Manual page 21

Vitocrossal CU3A, Technical Data
System with 2 Zone Circuits
OR
Operational Screen Information
ZC Fixed Setpoint Configured
1
2
3
User Interface Details:
1.
Indication of ZC circuit boiler is configured for ZC1/ZC2/ZC3 use arrows left or right to select.
2. Display will show
with an associated pump output.
3. Display of actual boiler water temperature.
4. Flame indication when burner ON and will show % of modulation.
5. Target temperature of zone. The Fixed Setpoint will show the set temperature during configuration
and Weather Compensated will show target based on slope and shift.
6. Outdoor temperature is shown when Weather Compensated ZC is configured.
OR
5
4
56%
r when a ZC call is present and a
System with 3 Zone Circuits
ZC Weather Compensated Configured
1
6
2
3
p symbol if ZC1/ZC2/ZC3 are configured
5
4
56%
17