Boiler - Group 2 - Viessmann VITODENS 222-F Installation And Service Instructions Manual

General – Group 1
Coding in the delivered condition
9C:20 Monitoring LON subscrib-
ers.
If a subscriber fails to
respond, the values
specified inside the con-
trol unit will be used after
20 min. Only then will a
fault message be issued.
(only for weather-com-
pensated control)
9F:8 Differential temperature
8 K; only in conjunction
with the mixer circuit (only
for weather-compensa-
ted control)
Boiler – Group 2
Coding
Coding in the delivered condition
06:... Maximum limit of the
boiler water temperature,
defaulted in °C by the
boiler coding card
12:0 Special OFF function
28:0 No burner interval igni-
tion
2E:0 Without external exten-
sion
(cont.)
Possible change
9C:0
9C:5
to
9C:60
9F:0
to
9F:40
Possible change
06:20
to
06:127
12:1
28:1
to
28:24
2E:1
Code 2
No monitoring
The time is adjustable from
5 to 60 min
Differential temperature
adjustable from 0 to 40 K
Maximum limit of the boiler
water temperature within
the ranges specified by the
boiler
Special ON function:
During calibration, heat is
transferred into the heating
circuit (adjust if fault "Eb"
occurs)
Time interval adjustable
from 1 to 24 h. The burner
is force-started once every
30 s (only when operating
with LPG).
With external extension
(automatic recognition)
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