Viessmann Vitoladens 300-W Service Instructions For Contractors page 41

Code 2
(cont.)
Coding in the delivered condition
23:0 No time interval for
burner service
24:0 No "Service" display
26:0 Burner fuel consumption
(stage 1); no count if
"26:0" is programmed
29:0 Burner fuel consumption
(stage 1 and 2); no count
if "29:0" is programmed
2E:0 Without external exten-
sion
2F:0 Venting program/fill pro-
gram disabled
30:1 Internal variable speed
circulation pump (auto-
matic adjustment)
31:65 Set speed of the internal
circulation pump when
operated as boiler circuit
pump 65%, defaulted by
the boiler coding card
32:0 Influence of the signal
"External blocking" on cir-
culation pumps: All
pumps in control function
Possible change
23:1 Interval adjustable from 1
to to 24 months
23:24
24:1 "Service" display (the
address is automatically
set and must be manually
reset after a service has
been carried out)
26:1 Entry of 0.1 to 25.5; 1 step
≙ 0.1 litre or gallon/hour
to
26:255
29:1 Entry of 0.1 to 25.5; 1 step
≙ 0.1 litre or gallon/hour
to
29:255
2E:1 With external extension
(automatic setting on con-
nection)
2F:1 Venting program enabled
2F:2 Fill program enabled
30:0 Internal circulation pump
without variable speed
(e.g. temporarily for serv-
ice)
31:0 Set speed adjustable from
to 0 to 100 %
31:100
32:1 Influence of the signal
to "External blocking" on cir-
32:15 culation pumps: See the
following table
Codes
41