Heating Up Manually - Viessmann Vitoflex 300-UF 530 Installation And Operating Instructions Manual

Heating Up Manually

Filling the burner trough
When the system has been switched off properly, there is
no more fuel in the burner trough or in the underfeed auger.
With the fire block cooled down (combustion chamber
temperature below 482°F (250°C), touching soft touch
key 1 "Boiler ON" will automatically fill the burner trough
with fuel.
Heating up
Light a fire with paper and kindling wood in the
combustion chamber. After this, use a shovel to push
the fire back to the filled burner trough. Then press Soft
touch key 1 "Boiler ON" again (Soft touch key 1 "Boiler
ON" is then dark green). Operating mode "HEAT UP"
shows in the upper left of the display.
Fuel >W 40
- With fuel that has water content greater than W40,
preheat the boiler with a chopped wood fire. To do
so, manually light chopped wood in the combustion
chamber and use a shovel to push it into the burner
trough. If necessary, add more chopped wood. Heat
up the fireclay brick lining like this for approx. one
hour.
- Starting up the facility: Soft touch key 1 "Boiler ON"
The soft touch key "Underfeed ON" is for manually
activating the underfeed auger in automatic operation
(= manual prompt for material). As long as this soft
touch key is touched, the underfeed auger conveys
fuel into the burner trough. With the underfeed auger
stopped (soft touch key "Stop underfeed" light-grey),
the manual prompt for material cannot be activated.
Vitoflex 300-UF Installation & Operating
Check heat up successful
The combustion chamber temperature should be over
356°F (180°C) in 30 minutes (adjustable value).
Otherwise the system will automatically shut down.
In such case press Soft touch key 1 "Boiler ON".
Heating up with automatic ignition
The boiler is simple to switch on:
- Press Soft touch key 1 "Boiler ON". The loader
modules will be switched on in the appropriate order.
When the auger filling time or combustion chamber
filling time has lapsed and there is enough fuel in the
combustion chamber, the loader system switches off.
- The automatic ignition then takes place. The ignition
process stops as soon as the fire is started.
The boiler then automatically switches to full load
operation. (If the material should be too moist, it
might be necessary to proceed following section
"Heating Up" above.)