22
40.020.933 - rev. 04 - 2011
AT 300 series
English
5. Clean the burner dish and the floor of the
combustion chamber if necessary.
6. Pour 0.2 litre of used oil onto the burner
dish, see fig. 6 (F).
7. Form a paper pellet and light it.
8. Drop the burning pellet on the burner
dish.
9. Close the heat shield.
10. Close the heat distributor.
3.5
Starting up
Automatic operation:
1. Switch the rocker switch to "2", see fig. 5
(A).
The combustion air fan starts running
(only with AT 307).
When the burner dish has reached the
right temperature, the fuel pump starts
running and the control light is on.
2. Switch the pump regulator to "low" for the
first 20 to 30 minutes, see fig. 7 (A).
3. Switch the pump regulator to "high" when
the maximum temperature is reached,
see fig. 7 (B).
Manual operation:
1. Wait 5 minutes for the combustion
chamber to reach the right temperature.
2. Switch the rocker switch to "1", see fig. 5
(A).
The fuel pump starts running and the
control light is on.
3. Switch the pump regulator to "low" for the
first 20 to 30 minutes, see fig. 7 (A).
4. Switch the rocker switch to "2" after 20 to
30 minutes.
The pump thermostat starts working.
5. Switch the pump regulator to "high" when
the maximum temperature is reached,
see fig. 7 (B).
4
USE
4.1
During operation
4.2
Switching off
Switch off heating:
1. Switch the rocker switch to "0".
The fuel pump stops running.
The control light turns off.
5
MAINTENANCE
5.1
Maintenance table
Use the table in this booklet to record
performed maintenance after each winter
season.
Warning
Never pour diesel oil onto a hot
burner dish.
The burner dish must be cool!
Hot
Do not touch the flue stack or blower
outlet! The flue stack and blower
outlet get hot during operation!
Caution
Only for the AT 307:
After shutting off, the heat distributor
fan will still run. This fan cools the
heater until it has cooled down
sufficiently (after 10 to 30 minutes).
The combustion air fan runs as long
as the heat distributor fan.
Warning
Always clean the combustion
chamber before starting the heater.