Viessmann VITODENS 333 Operations Instructions Page 73

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Constant temperature control unit
Press the following keys:
1. c press.
2. a/b for the required operating
condition.
3. d Scanning is completed.
The following operating conditions can be scanned, subject to the actual
system equipment level:
Display screen Explanation
1 15 °C/°F Actual outside temperature
3 65 °C/°F Actual boiler water temperature
5 50 °C/°F Actual DHW temperature
P Burner hours run (after a service, reset with e to "0")
263572 h
PPP Burner starts (after a service, reset with e to "0")
030529
Weather-compensated control unit
Press the following keys:
1. c "Select heating circuit" is
displayed.
2. d to confirm; wait approx.
4 s.
3. c press again.
4. a/b for the required operating
condition.
5. d Scanning is completed.
The following operating conditions can be scanned, subject to the actual
system equipment level for heating circuit A1 and heating circuit with
mixer M2:
Display screen Explanation
Subscriber no. Programmed subscriber no. in the LON system
Holiday program If a holiday program has been entered
Departure date Date
Return date Date
Outside temperature, ... °C Actual value
Boiler water temp., ... °C Actual value
Flow temperature, ... °C Actual value (only for mixer circuit M2)
Scanning operating conditions and sensors
73
Service scans
5692 682 GB
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