I 7. High Altitude Testing - Viessmann VITODENS 100-W WB1B Series Installation And Service Instructions Manual

Initial Start-up, Inspection and Maintenance
Steps
(continued)
Start-up and Maintenance
Fig. 54
1
2
Fig. 55
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" clockwise
all the way to the "UReset"
position.
3. "r" appears on display along
with flashing set value " i" or "2".
4. With selector dial" ", set the
value to "2" for operation above
5,000' / 1,500 m.
Turn the selector dial "
the center position to the right or
left, as shown in Fig. 55.
Value Operation
Altitude < 5,000' / 1,500 m
1
Altitude > 5,000' / 1,500 m
2
5. Do not adjust the selector dials for
at least 15 seconds. The set value
" 1" or "2" 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.
" from