8
Heating system inspection and maintenance
Logano G234X - Technical specifications are subject to change without prior notice.
41
8.6 Cleaning the burner
B Remove the burner (Æ page 39).
B Check burner tubes for dirt. If necessary, clean burner
as described below.
B Unscrew ignition burner unit [1] from burner.
B Disconnect pilot gas pipe [3] from pilot burner unit.
B Remove pilot nozzle [2] and blow out.
B Immerse burner rods in water with cleaning agent and
brush off.
Fig. 48 Pilot burner
1 Igniter sensor cable
2 Ignition electrode
3 Pilot gas pipe
B Flush the burner rod with a water jet. Hold burner so
that water enters all slots of the burner rods and drains
out again.
B Remove remaining water by swinging the burner.
B Check that the burner rods are free. Remove water and
dirt residue in the slots. If any slots are damaged the
burner must be replaced.
Fig. 49 Swinging burner
B Carry out the burner assembly and installation in
reverse order to their removal and disassembly
(Æ page 39).
B Place boiler in operation as directed in section 6,
starting on page 27.
B Check function of the aquastats.
B Test water low cut-off if installed.
B Check area around boiler for hazards.
The area around the boiler must be free from flammable
substances, gasoline or any other flammable or
corrosive vapors and liquids.
B Complete the maintenance log to confirm that all
maintenance work has been carried out (Æ page 44).
Sign the maintenance protocol and discuss it with the
owner of the heating system.
Make sure that the insulation on the burner
shield does not get wet.
DANGER: Risk of fatal injury from the
explosion of flammable gases!
Leaks may have been created on pipes and
fittings following maintenance work.
B Carry out a proper leak test.
B Only use approved leak detection agents.
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