Coding in the delivered condition
Possible change
21:0
No maintenance inter-
val (operating hours)
selected
21:1
to
21:9999
The number of hours run
before the burner should
be serviced is adjustable
from 1 to 9999 h
23:0
No time interval for
burner maintenance
23:1
to
23:24
Interval adjustable from 1
to 24 months
24:0
No "
Service
" display
24:1
"
Service
" display (the
address is automatically
set and must be manually
reset after a service has
been carried out)
25:0
With outside tempera-
ture sensor for constant
temperature control
units: No recognition of
outside temperature
sensor or fault monitor-
ing
25:1
Outside temperature sen-
sor and fault monitoring
recognised
28:0
No burner interval igni-
tion
28:1
The burner will be force-
started for 30 s after 5 h
2E:0
Without external exten-
sion
2E:1
With external extension
(automatic recognition)
2F:0
Venting program/filling
program disabled
2F:1
Venting program enabled
2F:2
Filling program enabled
30:1
Internal circulation
pump, variable speed
(automatic adjustment)
30:0
Internal circulation pump
without variable speed
(e.g. temporarily for ser-
vice)
31:...
Set speed of the inter-
nal circulation pump
when operated as boiler
circuit pump in %, de-
faulted by the boiler
coding card
31:0
to
31:100
Set speed adjustable
from 0 to 100 %
32:0
Influence of the signal
"External blocking" on
the circulation pumps:
All pumps in control
function
32:1
to
32:15
Influence of the signal
"External blocking" on
the circulation pumps:
see the following table
Code 2
(cont.)
45
Coding
5692
731
GB
Summary of Contents for VITODENS 333-F WS3A
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