Parameter Level; Fuel - Viessmann Vitoflex 300-UF Series Installation And Operating Instructions Manual

Parameter

Parameter Level

Fuel

Parameter
"Combustion chamber fill time" Length of time that the feed screw conveyor is in operation
"Screw conveyor fill time"
"Fuel hopper emptying time"
"Cycle after heatup"
Left entry field
"Delay"
Right entry field
44
Description
to supply fuel. Applies only to cold starts, i.e. at low
combustion chamber temperatures.
In the "Filling" operating state: If the feed system is empty,
it is filled first until the feed light barrier is triggered.
Note: For ignition to be successful, there must be an
adequate amount of fuel, level with the ignition system,
after the combustion chamber fill time has elapsed.
Setting in seconds
Length of time that the feed system is filled on system
start-up.
Applies only to warm starts, i.e. when the combustion
chamber temperature is sufficiently high.
Setting in seconds
Time delay for filling the fuel hopper
Setting in seconds
Cycle time in "Ignition" operating state
Setting is a % of the system's inherent maximum cycle
time for fuel feed
Length of time after which the feed system is enabled
again if the ignition process was successful.
Settings in minutes
Vitoflex 300-UF Installation & Operating
On each sub-area screen, the key
access to the sub-area's parameter level. The parameters
may be assigned to several tabs. The number of
parameters varies depending on the system configuration.
Parameters are set using the entry fields.
"Feed" tab
gives you
Setting Standard
range value:
10 to 1200 80
10 to 60
"Combustion
chamber fill
time"-10
0 to 100 25
1 to 100 20
1 to 60 20