Scanning Operating Conditions And Sensors - Viessmann VITOLADENS333-F Service Instructions Manual

Scanning operating conditions and sensors

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 * 1
Burner st 1 ...h
Burner st 2 ...h
Burner starts, ... * 2
Time
Date
Burner OFF/ON
Burner stage 1 OFF/ON
Burner stage 2 OFF/ON
Int. pump OFF/ON
Heating circuit pump OFF/ON If an external extension or extension kit for one
*1
Reset hours run and burner starts after a service. The values can be reset individually to
"0" by pressing e.
*2
Party mode ends automatically in heating program "rw" when the system changes
over to operation with standard room temperature.
3. c press again.
4. a/b for the required operating
condition.
5. d Scanning is completed.
Explanation
Programmed user number in the LON system
If holiday program entered.
Date
Date
Actual value
Actual value
Actual value (only with heating circuit with mixer
M2)
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
heating circuit with mixer is installed
Service scans
65