Scanning Operating Conditions And Sensors - Viessmann Vitodens 333-F Service Instructions Manual

Scanning operating conditions and sensors

Constant temperature control unit
Press the following keys:
1. c
press.
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.
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
Subscriber no.
Holiday program
Departure date
Return date
Outside temperature, ... °C
Boiler water temp., ... °C
Flow temperature, ... °C
2. a/b for the required operating
condition.
3. d
Scanning is completed.
3. c
press again.
4. a/b for the required operating
condition.
5. d
Scanning is completed.
Explanation
Programmed subscriber no. in the LON system
If a holiday program has been entered
Date
Date
Actual value
Actual value
Actual value (only for mixer circuit M2)
Service scans
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