Boiler"/Group 2; Dhw"/Group 3 - Viessmann Vitodens 222-F Installation And Service Instructions For Contractors

Coding level 1
(cont.)
Coding in the delivered condition
Lock out controls
8F:0 Control in standard menu and in
extended menu is enabled.
Note
The respective code is only activa-
ted when you exit the service
menu (see page 75).
Set flow temperature for external demand
9b:70 Set flow temperature for external
demand 70 °C

"Boiler"/Group 2

Select "Boiler" for weather-compensated control units
(see page 55).
Coding
Coding in the delivered condition
Single/multi boiler system
01:1 Do not adjust (only for constant
temperature control units)
Burner service in 100 hours
21:0 No service interval set (in hours
run)
Service interval in months
23:0 No time set for burner service in-
terval
Service status
24:0 No "Service" indication on the dis-
play
Filling/venting
2F:0 Venting program/fill program inac-
tive

"DHW"/Group 3

Select "DHW" for weather-compensated control unit
(see page 55).
Possible change
8F:1 Control in standard menu and in ex-
tended menu is locked.
Emissions test mode can be ena-
bled.
8F:2 Control in standard menu is ena-
bled, but locked in extended menu.
Emissions test mode can be ena-
bled.
9b:0 Set value adjustable from 0 to
to 127 °C (limited by boiler-specific pa-
9b:127 rameters)
Select "2" for constant temperature control unit (see
page 55).
Possible change
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)
2F:1 Venting program active
2F:2 Fill program active
Select "3" for constant temperature control unit (see
page 55).
Codes
≙
100 h
57