Viessmann Vitoladens 300-W Service Instructions For Contractors page 60

Service scans
Scanning operating conditions and sensors
Displays screen
Normal
room temp., ... °C
Room temperature, ... °C
Ext.room t.setpt., ... °C
DHW temp., ... °C
Com.supply temp., ... °C
*4
Burner, ...h
Burner stage 1 ...h
Burner stage 2 ...h
Burner starts, ... *3
Time
Date
Burner OFF/ON
Burner stage 1 OFF/ON
Burner stage 2 OFF/ON
Intern. pump OFF/ON
Htg.cir.pump OFF/ON
DHW pump OFF/ON
Recirc.pump OFF/ON
Centr.fault ind. OFF/ON
Mix.valve OPEN/CLOSE
Various languages
Reset hours run and burner starts after a service. The values can be reset indi-
*4
vidually to "0" by pressing
Party mode ends automatically in the "Heating and DHW" program, when the
*3
system changes over to operation with standard room temperature.
60
Explanation
Set value
Actual value
With external hook-up
Actual DHW temperature
Actual value, only with low loss header
Hours run
Hours run
Hours run
Actual value
Output 20
If an external extension or extension kit for one
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 per-
manent display language with d
e .
(cont.)