Boiler - Viessmann Vitodens 222-F Installation And Service Instructions For Contractors

Parameter level 2
General
(cont.)
"Viessmann system number"
Setting
1
...
"Recognition, extension DAP1"
Setting
Without
With
"Recognition, extension DAP2"
Setting
Without
With
"Set flow temperature for external demand"
Setting
70 °C
... °C
"LON subscriber monitoring"
Setting
20 min.
... Min.
"Differential temperature"
Setting
8 K
... K

Boiler

Note
Parameter values in bold are factory settings.
70
Explanations
98:1 Viessmann system number
In conjunction with monitoring several systems via
Vitocom 300
98:1 to System number adjustable from 1 to 5
98:5
Explanations
99:0 Never adjust
99:1
Explanations
9A:0 Never adjust
9A:1
Explanations
9B:70
9B:0 to Adjustable from 0 to 127 °C
9B:127 Limited by boiler-specific parameters
Explanations
9C:20 If there is no response from a subscriber for 20 min,
the values specified in the control unit are used. Only
then will a fault message be issued.
9C:2 to Adjustable from 2 to 60 min
9C:60
Explanations
9F:8 The differential temperature is the value by which the
common flow temperature should be higher than the
highest currently required flow temperature of the
heating circuits with mixer.
Only in connection with heating circuit with mixer M2
(heating circuit 2) and M3 (heating circuit 3)
9F:0 to Adjustable from 0 to 40 K
9F:40