Viessmann Vitodens 333 Service Instructions Manual page 52

Coding
Code 2
(cont.)
Coding in the delivered condition
91:0 No external heating pro-
gram changeover via
external extension (only
for weather compen-
sated control units)
95:0 Without Vitocom 100
communication inter-
face
97:0 With LON communica-
tion module: The out-
side temperature of the
sensor connected to the
control unit is utilised
internally (only for
weather compensated
control units)
98:1 Viessmann system
number (in conjunction
with monitoring of sev-
eral systems via
Vitocom 300)
9b:0 Minimum set boiler
water temperature for
external demand
9C:20 Monitoring LON users.
If a user fails to re-
spond, the values de-
faulted inside the
control unit will be used
after 20 min; also, a
fault message is issued
(only for weather com-
pensated control units).
52
Possible change
91:1 The external heating pro-
gram changeover affects
the heating circuit without
mixer
91:2 The external heating pro-
gram changeover affects
the heating circuit with
mixer
91:3 The external heating pro-
gram changeover affects
the heating circuit without
mixer and the heating cir-
cuit with mixer
95:1 With Vitocom 100 com-
munication interface
(automatic recognition)
97:1 The control unit receives
the outside temperature
97:2 The control unit transmits
the outside temperature
98:1 System number adjusta-
to ble from 1 to 5
98:5
9b:1 Minimum set boiler water
to temperature adjustable
9b:127 from 1 to 127 °C (limited
by the boiler coding card)
9C:0 No monitoring
9C:5 The time is adjustable
to from 5 to 60 min
9C:60