Viessmann Vitodens 333 Service Instructions Manual page 63

Temperatures, boiler coding card and brief . . .
Brief scan
4 0
5 0
b 0
C 0
c 0
d 0
Weather–compensated control unit
Press the following keys:
1. K + G simultaneously for
approx. 2 s
The following values can be scanned, subject to the actual equipment
level:
Display screen
Slope A1 – level A1
Slope M2 – level M2
Adj. outside temperature
Actual outside temperature
Set boiler temp.
Actual boiler temp.
Set DHW temp.
Actual DHW temp.
Actual DHW outlet tempera-
ture
Set DHW outlet temp.
Set flow temperature
Actual flow temperature
Display screen
Burner control unit type
0 Set cylinder temperature
0 Max. output in %
Boiler coding card (hexadecimal)
Boiler
version
0 0
2. a/b
3. d
Explanation
The adjusted outside temperature can be reset
to the actual outside temperature with e.
Heating circuit with mixer
Heating circuit with mixer
Service scans
(cont.)
Boiler type
Burner control unit
version
Variable Software
speed version
pump variable
0 w/o speed pump
1 Wilo 0: w/o vari-
2 Grundfos able speed
pump
for the required scan.
Relay test ended.
63