Scanning Operating Conditions And Sensors - Viessmann VITODENS 343-F WS4A Installation And Service Instructions Manual

Checking outputs (relay test)
3. Select "4" with a/b.
The Vitosolic 100 returns to auto-
matic mode.

Scanning operating conditions and sensors

Vitotronic 200
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
Standard
Room temperature, ... °C
Room temperature, ... °C
Ext. set room temp, ... °C
DHW temperature, ... °C
Mixed flow temp., ... °C
Burner, ...h
Burner starts, ...
Time
Date
Burner OFF/ON
Int. pump OFF/ON
(cont.)
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)
Set value
Actual value
For external hook-up
Actual DHW temperature
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
Service scans
89