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PART 3
MAINTENANCE
1) MAINTENANCE
Your boiler should be inspected once a year by a
qualified technician.
The following points require particular attention.
1.1) Heat exchanger
The heat exchanger should be checked for soot
deposits. If necessary, follow the procedures below to
clean the heat exchanger. Consult Figure 3.
1. Remove the burner tray to avoid the soot falling on
the burners;
2. Remove the connecting flue-pipe and the draft
hood;
3. Remove the “V” shaped baffles;
4. Clean the heat exchanger with a suitable brush;
5. Vacuum the debris at the bottom of the unit;
6. Reinstall everything.
1.2) Drawer assembly (burner tray)
Your HGRC boiler is equipped with a burner tray to
allow you to remove the burners and manifold without
dismantling the appliance. To remove the burner tray,
disconnect the union on the gas piping and disconnect
the wiring harness. Pull out the tray.
1.3) Combustion chamber
While the burner tray and the draft hood are off, use a
light to properly check the condition of the combustion
chamber and repair if necessary.
1.4) Flue-pipe and connecting pipe
Inspect and clean if necessary.
1.5) Miscellaneous
1. If a fresh air intake mechanical device is used,
check if it is functioning properly;
2. Inspect the circulating pump and lubricate if
necessary;
3. Test the high temperature Limit Control and the
operating controls;
4. Test the safety valve.
CAUTION
The installer must follow local regulations with
respect to the installation of carbon monoxide
(CO) detectors. The installer must also follow
the guidelines set out in the instructions
above, concerning the maintenance schedule
of the appliance.
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