Viessmann Vitodens 333-F Service Instructions Manual page 42

Commissioning, inspection, maintenance
Further details regarding the individual steps
Boiler control unit
Control unit trans-
mits outside tem-
perature
Set code "97:2"
LON subscriber fault
monitoring
Code "9C:20"
Updating the LON subscriber list
Only possible if all subscribers are
connected and the control unit is pro-
grammed to be fault manager (code
"79:1").
Press the following keys:
1. L + d simultaneously for
approx. 2 s.
Subscriber check
initiated (see page 42).
Carrying out a subscriber check
Communication with the system devices connected to the fault manager is
tested with a subscriber check.
Precondition:
& The control unit must be pro-
grammed as fault manager (code
"79:1")
& The LON subscriber number must
be programmed in all control units
(see page 41)
& The LON subscriber list in the fault
manager must be up to date (see
page 41)
42
Vitotronic 200-H Vitotronic 200-H
Control unit re- Control unit re-
ceives outside tem- ceives outside tem-
perature perature
Set code "97:1" Set code "97:1"
LON subscriber LON subscriber
fault monitoring fault monitoring
Code "9C:20" Code "9C:20"
2. e
A Consecutive number in the sub-
B Subscriber number
(cont.)
Vitocom
—
—
The subscriber list is
updated after approx.
2 min.
The subscriber check is
completed.
scriber list