Viessmann VITODENS 300 Service Instructions Manual page 66

Service scans
Temperatures, boiler coding card and brief . . .
Constant temperature control units
1. Press K and G simultaneously
for approx. 2 s.
Scanning is active.
Display screen
Brief scan
0
1 Software
version
Solar mod-
ule
E 0: No ext.
demand or
operating
mode
change-
over
1: Ext. de-
mand or
operating
mode
change-
over active
3
A
4
5
b
C
66
2. Select the required scan with a or
b.
3. Press d.
Scanning is completed.
System de- Software version
sign, dis- Control
play in
accordance
with the de-
sign
Software version
Burner control unit
0: No ext. External 0 - 10 V hook-up
blocking Display in %
1: Ext.
blocking
active
Set boiler water temperature at the
boiler water temperature sensor
Highest demand temperature
Burner control unit type
Set cylinder temperature at the cylin-
der temperature sensor (current
value)
Max. heating output in %
Boiler coding card (hexadecimal)
(cont.)
Software
version
Program-
ming unit
Software Software
version ext. version
extension Cascade
module
Boiler type