Viessmann Vitotronic 200 Installation And Service Instructions For Contractors page 66

Parameter
Boiler
(cont.)
1B Time from burner ignition to the start of control
Display
... s
1C Signal B4 at plug 41
Display
... s
1F Flue gas temperature sensor
Display
Flue gas temperature is not monitored for
burner service display
... °C limit for service
21 Interval in burner hours until the next service
Display
Not active
... h
23 Interval until the next service
Display
Not active
... Months
24 Service status
!
Display
No service due
Service due and indication on display
66
Value Explanations
1B:0 to Regulation delay adjustable from 1 to 199 s.
1B:199
Note
Factory setting, according to coding card
Value Explanations
1C:1 to Burner start delay from the presence of the start sig-
1C:199 nal at T2 in plug
Delay adjustable from 1 to 199 s.
Note
Factory setting, according to coding card
!
Value Explanations
1F:0
1F:1 to
1F:250
!
Value Explanations
21:0
21:1 to Interval adjustable from 100 to 10,000 h.
21:100 1 step
!
Value Explanations
23:0
23:1 to The number of months before the next service is ad-
23:24 justable from 1 to 24
Value Explanations
24:0
24:1
until burner ignition.
fA
≙
100 h