elco VL 2.120 D, Руководство по эксплуатации

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11/2010 - Art. Nr. 4200 1029 8600A 21
Maintenance
Servicing
Work recommended as part of annual
burner maintenance:
- Burner test run, input measurement in
the boiler room
- Clean the combustion components
and replace defective parts if
necessary
- Cleaning the fan wheel and blower and
checking the pump coupling
- Check the nozzle; replace if necessary
- Checking or replacing the fuel oil filters
(pump, feed lines)
- Visual inspection of the fuel oil hoses;
replace if necessary
- Visual inspection of the burner's
electrical components; elimination of
damage if necessary
- Check burner start characteristics
- Checking oil pressure and vacuum at
the burner pump with the burner in
operation
- Flame detector and control unit
function check
- Correct the adjustment values if
necessary
- Draw up a measurement report
General checks
- Emergency stop button function check
- Visual inspection of oil lines in the
boiler room
Fitting the fan wheel
When changing the motor or the fan
wheel, refer to the positioning diagram
opposite. The internal flange
A of the fan
wheel must be aligned with plate B .
Insert a ruler between the vanes of the
fan wheel and bring
A and B to the same
height. Tighten the cone-point screw on
the fan wheel.
Burner and boiler servicing must only
be carried out by a professional
heating engineer trained in these
operations. The system operator is
advised to take out a maintenance
contract to guarantee regular
servicing. Depending on the type of
installation, shorter maintenance
intervals may be necessary.
• Switch off the power supply before all
maintenance and cleaning work.
• Use original spare parts.

en
Cleaning the fan wheel
• Remove the equipment plate and
attach it in the service position (see
illustration).
• Remove and clean the fan wheel and
replace it if necessary. Reassemble in
the reverse order.
Checking checking combustion
components
• Remove the celle B3 .
• Loosen the three cover screws W .
• Remove the mixing unit.
• Check nozzle size and exchange in
accordance with the parts specified in
the table page 13 if necessary.
• Check the adjustment of the ignition
electrodes block and the baffle plate
and adjust if necessary.
• Check the gap between nozzle and
baffle plate and adjust if necessary.