Viessmann Vitodens 222-F Installation And Service Instructions For Contractors page 54

Commissioning, inspection, maintenance
Connecting the control unit to the LON
Boiler control unit
Control unit is fault manager.
Parameter "79:1"
Control unit transmits the
time.
Parameter "7b:1"
Control unit transmits outside
temperature.
Set parameter "97:2".
Viessmann system number.
Parameter "98:1"
LON subscriber fault monitor-
ing.
Parameter "9C:20"
Carrying out a LON subscriber check
The subscriber check is used to test communication
with the system devices connected to the fault man-
ager.
Requirements:
■ The control unit must be enabled as fault manager
(parameter "79:1" in the "General" group).
The LON subscriber number must be set in all con-
■
trol units.
■ The LON subscriber list in the fault manager must be
up to date.
Tap the following buttons:
1. "Menu"
2. "Service"
3. Enter "viservice" password.
4. "Service functions"
Calling up and resetting the "Service" display
Service indicator
It is possible to set threshold limits for a service using
either the commissioning assistant or by setting
parameters "21" and "23" in the "Boiler" group.
When these limit values are then reached, a service
message appears in the display.
Tap the following buttons:
1. "Confirm"
flashes in the footer.
54
Vitotronic 200-H
Control unit is not fault man-
ager.
Parameter "79:0"
Control unit receives the
time.
Set parameter "81:3".
Control unit receives outside
temperature.
Set parameter "97:1".
Viessmann system number.
Parameter "98:1"
LON subscriber fault moni-
toring.
Parameter "9C:20"
(cont.)
Vitotronic 200-H
Control unit is not fault man-
ager.
Parameter "79:0"
Control unit receives the
time.
Set parameter "81:3".
Control unit receives outside
temperature.
Set parameter "97:1".
Viessmann system number.
Parameter "98:1"
LON subscriber fault moni-
toring.
Parameter "9C:20"
5. "LON subscriber check"
The list of all connected LON subscribers appears.
6. Select subscriber and confirm with "OK".
The subscriber check for the selected subscriber is
initiated.
If the subscriber check was successful, "Check OK"
■
is shown.
■ If the subscriber check was unsuccessful, "Check
not OK" is shown.
Note
To perform another subscriber check:
Create a new subscriber list with "New list". The
subscriber list is updated.
Note
During the subscriber check, the display of the relevant
subscriber shows the subscriber no. and "Wink" for
approx. 1 min.
2.
Note
After tapping the following will be displayed if
your heating system has several fault messages
simultaneously:
3. "Service, messages"
The service messages appear yellow in a list.
Vitocom
Device is fault man-
ager.
Device receives the
time.
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