Code 2 - Viessmann VITODENS 200-W Service Instructions Manual

Code 1
(cont.)
Coding in the delivered condition
Max. flow temp. A1/M2
C6:74 Electronic maximum flow
temperature limit 74°C
(only for weather-com-
pensated control units)
(only for weather-com-
pensated control units)
Slope A1/M2
d3:14 Heating curve slope = 1.4
(only for weather-com-
pensated control units)
Level A1/M2
d4:0 Heating curve level = 0
(only for weather-com-
pensated control units)

Code 2

Calling up code 2
Note
■ On weather-compensated control
units, codes are displayed as plain
text.
■ Codes that are irrelevant due to the
system equipment level or the setting
of other codes will not be displayed.
Press the following keys:
1. L+G simultaneously for approx.
2 s.
2. d to confirm.
3. a/b for the required coding
address; the address
flashes.
Possible change
C6:10 Maximum limit adjustable
to
from 10 to 127°C (limited
C6:127
by the boiler coding card)
d3:2 Heating curve slope adjust-
to able from 0.2 to 3.5 (see
d3:35 page 31)
d4:–13 Heating curve level adjust-
able from –13 to 40 (see
to
d4:40
page 31)
4. d
to confirm; the value
flashes.
5. a/b for the selected value.
6. d
to confirm; the display
briefly shows "accepted"
(for weather-compensated
control units); the address
flashes again.
7. a/b for the selection of further
addresses.
8. L+G press simultaneously for
approx. 1 s; code 2 is ter-
minated.
Codes
41