Viessmann Vitodens 333 Service Instructions Manual page 69

Scanning operating conditions and sensors
Display screen
Mixed flow temp., ... °C
Burner, ...h
Burner starts, ...
Time
Date
Burner OFF/ON
Int. pump OFF/ON
Int. output OFF/ON
Heating circuit pump OFF/ON If an external extension or extension kit for one
Cylinder pump ON/OFF
DHW circulation pump OFF/
ON
Central fault message OFF/
ON
Mixer OPEN/CLOSE
Various languages
Explanation
Actual value, only with low loss header
Actual hours run
Hours run and burner starts (reset after mainte-
nance with e to "0")
Output 20
If an internal extension is installed
heating circuit with mixer is installed
If an external extension is installed
If an external extension is installed
If an external extension is installed
If an extension kit for one heating circuit with
mixer is installed
The respective languages can be selected as
permanent display language with d.
Service scans
(cont.)
69