Viessmann VITODENS 300 WB3A, Service Instructions Manual

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Display screen
Brief scan
0 System
design,
indication
in accor-
dance with
the design Software version
Control unit Software
version
User inter-
face
1 Software
version
Solar
panel Software version
Burner control unit Software
version
Ext. exten-
sion Software
version
Cascade
module
E 0: No ext.
demand or
operating
mode
change-
over
1: Ext.
demand or
operating
mode
change-
over pre-
sent 0: No ext.
blocking
1: Ext.
blocking
present External hook-up 0 to 10 V,
displayed in %
3 Set boiler temperature at the boiler
temperature sensor
A Highest demand temperature
4 Burner control unit type Boiler type
5 Set cylinder temperature at the cylin-
der temperature sensor (current
value)
b Max. heating output in %
C Boiler coding card (hexa-decimal)
c Version
Equipment (EEPROM) Version
Burner control unit
(EEPROM)
Temperatures, boiler coding card and brief scans
(cont.)
67
Service scans
56
92
550
GB