Press the following keys:
1.
L
+
d
simultaneously for
approx. 2 s.
The subscriber check
has been initiated.
2.
a
/
b
for the required subscri-
ber.
3.
d
Check is enabled
"
Check
" flashes until its
completion.
The display and all key
illuminations for the
selected subscriber flash
for approx. 60 s.
4.
"
Check OK
" is displayed during
communication between both
devices.
or
"
Check not OK
" is displayed if
there is no communication
between both devices. Check the
LON connection.
5.
Repeat points 2 and 3 to check
further subscribers.
6.
L
+
d
simultaneously for
approx. 1 s.
The subscriber check is
completed.
Instructing the system user
The system installer must hand the operating instructions to the system user
and instruct him/her in the operation of the system.
Scanning and resetting the "Service" display
The red fault indicator flashes when the limits set via coding address "21" and
"23" have been reached. The programming unit display flashes:
&
On a constant temperature control unit:
The defaulted hours run or the defaulted interval with clock symbol "
u
" (sub-
ject to setting)
&
On a weather-compensated control unit:
"
Service
"
Note
Set code "24:1" and then code "24:0" if a service is carried out before the ser-
vice display is shown; the set service parameters for hours run and interval are
then reset to 0.
Press the following keys:
1.
c
The service scan is active.
2.
a
/
b
Scan service messages.
Further details regarding the individual steps
(cont.)
38
Commissioning, inspection, maintenance
5692
731
GB
Содержание VITODENS 333-F WS3A
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