elco Low-NOx N10.12000.30 G-EU2, Operation Manual, Page: 12 / 34

12
Installation
Mounting to boiler
Electrical connection
Presetting
Check before burner installation
Check the mixing unit for correct set-
ting; see dimensioned drawing.
Deviations from the burner head adjust-
ment data may be acceptable following
a type test or individual testing by
arrangement with the test authority in
order to adapt the burner to the boiler
and flue gas system. However, these
deviating adjustments must be carried
out by an authorised expert and all
modified dimensions must be docu-
mented in the adjustments and meas-
urements log containing the flue gas
measurement and combustion stability
evaluation. This must be handed over
to the test authority on request.
- Set the ignition electrodes according
to the sketch.
- Check the burner pipe mounting
according to Section “Boiler lining for
burners” and the boiler manufacturer’s
specifications.
Electric connection:
The electric connection including all
installation materials as well as joints
and earth terminals must be made in
accordance with the applicable regulati-
ons. For the electrical installation of the
burner reference should be made to the
circuit diagram of the furnace system.
The electric connection of the burner
and gas valves and instruments is allo-
wed to be entrusted to authorized spe-
cialists only.
Burner installation
For mounting the burner to the boiler
make sure the connection plate is pre-
pared in accordance with the dimensi-
ons given in the technical datasheets.
• Install the stud bolts in the connection
plate.
• Put the insulating base and burner in
place and fasten with bolts.
Arrangement of sealing tape on
the boiler (1)
- Evenly stick on self-adhesive tape (2)
according to Figure.
- Adapt the flat gasket by cutting to the
boreholes in the area of the four. verti-
cally arranged boiler fastening holes.
(3)
- In case of butt joints make sure the
bordering is fitting closely. (4)
Attention:
After the completion of the electric con-
nection work make a check of the wiring
of the burner electric system. This inclu-
des a check for the direction of rotation
of the burner motor (fan).
Boiler inspection glass cooling
For cooling and cleaning the boiler
inspection glass, a cooling line (e.g. a
hose) may be installed from the burner
to the inspection glass. A connection
piece is provided on the burner for this
purpose.
Burner plate with gasket strip
12/2011 14 072 205