Viessmann Vitoligno 300-C Installation And Service Instructions For Contractors page 57

Code 1
(cont.)
Coding in the delivered condition
Boiler water temperature limit
0E:90 Max. boiler water temperature
90 °C
Minimum boiler return
12:55 Minimum boiler return temperature
55 °C
Flue gas fan, start speed
3C:... Speed of the flue gas fan when the
boiler starts (heat-up) in % of the
max. speed.
Delivered condition for boiler out-
put:
8 and 12 kW: 70
18 to 48 kW: 50
Flue gas fan, minimum speed
3D:... Min. speed of the flue gas fan in %
of the max. speed
Delivered condition for boiler out-
put:
8 and 12 kW: 55
18 to 48 kW: 25
Flue gas fan maximum speed (8 kW)
3E:... Max. speed of the flue gas fan in
% of the max. speed
Delivered condition for boiler out-
put:
8 kW: 80
12 kW: 95
18 kW: 65
24 kW: 80
32 kW: 70
40 kW: 85
48 kW: 95
External demand
44:0 No external boiler demand (digital)
is connected.
Default output
45:0 No external default output
(0 - 10 V) of the boiler is connec-
ted.
Min. boiler run-on time
8C:... Min. run-on time in min before the
boiler stops.
Delivered condition for boiler out-
put:
8 and 12 kW: 10
18 to 48 kW: 15
Possible change
0E:70 Setting range for max. boiler water
to temperature in °C
0E:90
12:50 Setting range in °C
to
12:75
3C:... Setting range in % for boiler output
to 8 and 12 kW: 50 to 100
3C:100 18 to 48 kW: 30 to 100
3D:... Setting range in % for boiler output
to 8 and 12 kW: 25 to 100
3D:100 18 to 48 kW: 20 to 100
3E:... Setting range in % for boiler output
to 8 kW: 50 to 85
3E:... 12 kW: 50 to 100
18 to 48 kW: 30 to 100
44:1 An external boiler demand (digital) is
connected.
45:1 An external default output (0 - 10 V)
of the boiler is connected.
8C:10 Setting range in min
to
8C:60
Codes
57