Viessmann Vitodens 222-F Installation And Service Instructions For Contractors page 72

Parameter level 2
Boiler
(cont.)
"Interval until the next service"
Setting
No time interval
... Months
"Service display"
Setting
No service display
Service is shown on the display (address is
automatically set and must be manually re-
set after a service)
"Burner interval ignition"
Setting
No burner interval ignition
... h
"Filling function / venting function"
Setting
Function disabled
Venting function enabled
Filling function enabled
"Operating mode, internal circulation pump"
Setting
Not speed-controlled
Speed-controlled without flow rate captur-
ing
Speed-controlled with flow rate capturing
"Set speed of internal circulation pump as boiler circuit pump"
Setting
... %
... %
"Current fault status of burner control unit"
Setting
No fault
72
Explanations
23:0 No time interval selected for service
23:1 to The number of months until the next service is adjust-
23:24 able from 1 to 24
Explanations
24:0
24:1 Displayed only if parameter setting 21 or 23 > 0
Explanations
28:0
28:1 to Time interval adjustable from 1 h to 24 h. The burner
28:24 is force-started for 30 s each time.
Explanations
2F:0
2F:1
2F:2
Explanations
30:0 E.g. temporarily for service
30:1
30:2 Automatic recognition
Explanations
31:... Set speed of the internal circulation pump when oper-
ated as boiler circuit pump in %, specified by the boil-
er coding card
31:0 to Set speed adjustable from 0 to 100 %
31:100
Explanations
38:0 Status of burner control unit: Operational (no fault)
38: ... Status of burner control unit: fault (38: 0)
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