MOUNTING OF THE BURNER
172 205 20 08-01
Fit the burner to the boiler by means
dimensions see technical data.
If for some reason you want to sepa-
with burner head and valve package
you can do so.
Do like this:
- Remove the cover of the fan hou-
sing.
- Loosen the nut D of the gas
assembly package.
- Loosen the electric cables to the
valve package.
- Loosen the screws B on both
sides.
- Loosen the stop bolt C on the pull
rods.
- Loosen the ignition cable and the
ionisation cable from the gas ass-
embly.
- Pull out the burner on the pull rods
and put it in a suitable place.
When the burner head and the gas
is easy to lift up the burner to where
it belongs.
Inspection of gas assembly
If the gas assembly needs to be
inspected the pull rods are very
useful.
Do like this:
- Remove the cover of the fan hous-
ing.
- Loosen the nut D of the gas
assembly package.
- Loosen ignition cable and ionisation
cable of gas assembly.
- Loosen the screw A on both sides.
- Pull out the burner on the pull rods.
- Loosen the screws B on the gas
- Withdraw the gas assembly.
Ensure that the O-ring between the
be in the correct position when the
Adjustment of the position of the
shrouded disc in the blast tube
the position of the shrouded disc in
the blast tube. This can be done with
the burner is in operation). If you turn
the screw to the left the shrouded
disc will move forward (+), to the right
it will move backward.
SERVICE POSITION
NOTE!
For maintenance of the brake plate,
nozzles, electrodes etc, when using
a long design of the burner tube, you
have to remove the nozzle assembly
from the connecting pipe and move
the assembly backwards in the fan
housing (from the boiler).
170 091 16 08-01
Voltage lower than 185 V Contact the electricity authorities.
The ignition electrodes are disturbing the
ionisation current
transformer if necessary.
Bad earthing Arrange for proper earthing.
Phase and neutral transposed See wiring diagram and change.
The burner locks out during pre-purge
Reduce or increase the gas supply. Reduce the quantity
of air.
The gas pressure is too low Increase the pressure. Contact the gas supply company
if necessary.
Pulsations at start
The gas pressure is too high
Pulsations during operation
The burner is dirty Clean the burner.
Defective chimney Check and change the dimensions if necessary.
The burner is operating correctly but locking out now
and then
The ionisation current is too low Check. Must be at least 4 µ A according to the relay
manufacturer but should be 8-20 µ A.
The UV-cell is in a wrong position
Voltage drop at certain times -
tact the electricity authorities if necessary.
Spark-over in ignition electrodes Replace the electrodes
REMEDY
CAUSE
3(4)
