Viessmann Vitodens 222-F B2TA series, Инструкция по установке и обслуживанию

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Note
Do not adjust menu point "Multi-boiler
system". This menu point changes the control unit
to a constant temperature control unit in
a multi-boiler system.
Diagnosis
Operating data
Weather-compensated control unit Constant temperature control unit
Calling up operating data
■ Operating data can be scanned in six
areas. See "Diagnosis" in the service
menu overview.
■ Operating data on heating circuits with
mixers and solar can only be called up
if the components are installed in the
system.
■ For further information on operating da-
ta, see chapter "Brief scan".
■ Operating data can be called up in the
"i" menu.
■ For further information on operating da-
ta, see chapter "Brief scan".
Calling up operating data
Service menu:
1. Press
OK and
å
simultaneously for
approx. 4 s.
2. "Diagnosis"
3. Select required group, e.g. "General" .
Note
"- - -" appears on the display if a sensor
that has been scanned is faulty.
Service menu:
1. Press
OK and
å
simultaneously for
approx. 4 s.
2. Select required information with / .
Note
"- - -" appears on the display if a sensor
that has been scanned is faulty.
Diagnosis and service scans
Service menu
(cont.)
5773 216 GB