CTC Union CTC 380 IC, Installation And Maintenance Instruction Manual

Page: 59 / 76

I
13
Note:
* When servicing or replacing components that affect combustion,
analyses and soot tests must be carried out on the installation.
5. BURNER SERVICING
5.1.5 Air intake and intake cone service
1. Switch off the power at the main switch and disconnect the Eurostecker
from the burner.
2. Remove the screw securing the burner to the fl ange on the boiler.
Draw out the burner head. Take care as this can become very hot.
3. Remove the solenoid cable from the pump.
4. Remove the connecting pipe from the pump.
5. Undo the air intake retaining screws (I).
6. Remove the air intake.
7. Undo the inlet cone retaining screw; make note of the inlet cone
position.
8. Remove the inlet cone from the fan housing.
9. Check the function and visual condition of the various air regulator
components. Clean and replace components as necessary.
10. Re-assemble the burner. Be especially careful when installing the
inlet cone; install it in the same position it had at removal.
11. Fit the O-ring in the groove between the fan housing and inlet cone.
Ensure that it is properly located in the groove and is not damaged
when the air intake is fi tted.
12. Connect the Eurostecker and switch on the power at the main switch.
13. Start the burner and check the combustion*.
5.1.6 Fan wheel checks
5.1.6.1 Inspection
1. Switch off the power at the main switch and disconnect the Eurostecker
from the burner.
2. Remove the screw securing the burner to the fl ange on the boiler.
Draw out the burner head. Take care as this can become very hot.
3. Loosen the blast tube and remove it.
4. Remove the brake plate/electrode packet. Loosen and remove the
front section.
5. Perform a visual inspection of the fan wheel. Spin the fan wheel with
your fi nger, or carefully using a tool.
6. If the fan wheel is not very dirty, clean it carefully where possible.
7. If thorough cleaning is required, refer to point 5.1.6.2 or alternatively
5.1.6.3.
8. If cleaning is not necessary, re-assemble the burner.
9. Connect the Eurostecker and switch on the power at the main switch.
10. Start the burner and check the combustion*.