Viessmann Vitoligno 300-C Installation And Service Instructions Manual page 82

Codes
Code 1
(cont.)
Coding in the delivered condition
Boiler water temp limit
0E:... Maximum boiler water temperature 0E:...
Min boiler return
12:... Minimum boiler return temperature 12:...
Flue gas fan start speed
3C:... Speed of the flue gas fan when the
boiler starts (heat-up)
Flue gas fan minimum speed
3D:... Minimum speed of flue gas fan
Flue gas fan maximum speed
3E:... Maximum speed of flue gas fan
External demand
44:0 No external (digital) boiler demand
connected.
Only installed without cascade
Default output
45:0 No external default output
(0 - 10 V) of the boiler connected.
Only installed without cascade
Feed runtime, boiler ignite, recharge
4D:... Maximum runtime of feed screw
conveyor at ignition.
Only for boiler size > 50 kW
Min. runtime boiler run-on
8C:... Minimum run-on time before the
boiler switches off.
Charging
Coding
Coding in the delivered condition
Feed screw conveyor heat-up cycle
14:... Start cycle of the feed screw con-
veyor after boiler ignition
82
Possible change
Setting range in °C
to
0E:...
Setting range in °C
to
12:...
3C:... Setting range in %
to
3C:...
3D:... Setting range in %
to
3D:...
3E:... Setting range in %
to
3E:...
44:1 External (digital) boiler demand con-
nected.
44:2 External blocking of the boiler con-
nected.
Contact open = Boiler blocked
45:1 External default output (0 - 10 V) of
the boiler connected.
4D:... Setting range in seconds
to
4D:...
8C:... Setting range in minutes
to
8C:...
Possible change
14:... Setting range in %
to
14:...