High Altitude Testing - Viessmann VITODENS 100-W Installation And Service Instructions Manual

Initial Start-up, Inspection and Maintenance
Steps
(continued)
S
Start-up and Maintenance
ervice
tr
tr
Fig. 52
"1 1 1 1 " "2 2 2 2 "
Fig. 53
52
7. High altitude setting
1. Simultaneously turn selector dials
" " and " tr " to their center
position. "SERV" appears in the
display. (To do the following step,
"SERV" must still be shown in the
display.)
2. Turn selector dial " tr"
all the way to the "q q q q Reset" position.
3. " appears on display along with
r"
" i i i i "
flashing set value or
4. With selector dial" ", set the value
to "2 2 2 2 " for operation above 5,000' /
1,500 m.
Turn the selector dial "
center position to the right or left, as
shown in Fig. 54.
Value Operation
i Altitude < 5,000' / 1,500 m
2 Altitude > 5,000' / 1,500 m
5. Do not adjust the selector dials for
at least 15 seconds. The set value
" i i i i " "2 2 2 2 "
or is then saved and the
control unit returns to standard
mode.
6. Turn ON/ /OFF switch OFF and then
ON. When completed, it will activate
the designated setting
Note:
When the boiler is initially turned on, a
self-diagnostic check is initiated. Wait
until the temperature display is
stabilized and the boiler's actual
temperature is displayed.
clockwise
"2 2 2 2 "
.
" from the