Boiler"/Group 2 - Viessmann Vitodens 222-F Installation And Service Instructions For Contractors

Coding level 2
(cont.)
Coding in the delivered condition
98:1 With LON communication module:
Viessmann system number (in
conjunction with monitoring of sev-
eral systems via Vitocom 300)
99:0 Do not adjust
9A:0 Do not adjust
9b:70 Set flow temperature for external
demand 70 °C
9C:20 With LON communication module:
Monitoring LON subscribers.
If there is no response from a sub-
scriber for 20 min, the values
specified in the control unit are
used. Only then will a fault mes-
sage be issued. (Only for weather-
compensated control units.)
9F:8 Only for heating circuit with mixer:
Differential temperature 8 K (only
for weather-compensated control
units)

"Boiler"/Group 2

Select "Boiler" for weather-compensated control units
(see page 62).
Coding
Coding in the delivered condition
04:1 Minimum burner pause time sub-
ject to the boiler load (specified by
boiler coding card)
06:... Maximum limit of the boiler water
temperature, defaulted by the boil-
er coding card in °C
0d:0 Do not adjust
0E:0 Do not adjust
13:1 Do not adjust
14:1 Do not adjust
15:1 Do not adjust
21:0 No service interval (hours run) se-
lected.
23:0 No time set for burner service in-
terval
24:0 No "Service" indication on the dis-
play
Possible change
98:1 System number adjustable from 1 to
to 5
98:5
9b:0 Set value adjustable from 0 to
to 127 °C (limited by boiler-specific pa-
9b:127 rameters)
9C:0 No monitoring
9C:5 Time adjustable from 5 to 60 min
to
9C:60
9F:0 Differential temperature adjustable
to from 0 to 40 K
9F:40
Select "2" for constant temperature control unit (see
page 62).
Possible change
04:0 Systems with low loss header:
Pause time set permanently (speci-
fied by boiler coding card)
06:20 Maximum limit adjustable within the
to ranges specified by the boiler
06:127
21:1 The number of hours run before the
to burner should be serviced is adjust-
21:100 able from 100 to 10 000 h.
One adjusting step
23:1 Interval adjustable from 1 to
to 24 months
23:24
24:1 "Service" is shown on the display
(address is automatically set and
must be manually reset after a serv-
ice has been carried out)
Codes
≙
100 h
67