13
Figure 6
If burner characteristics do not match the above, check for accumulation of lint and other foreign
material at burner air inlets.
A qualified service technician should follow this procedure when burners need cleaning.
1. Shut off power and close main manual gas valve.
•
Allow burners to cool before removal.
2. Loosen union and remove main burner tray assembly from boiler.
3. Remove and thoroughly clean burners. Check all ports and air channels for blockage.
4. Reinstall the burners.
5. Restore electrical power and gas supply to the boiler.
•
Following the lighting instructions put the boiler back into operation
•
Check for gas leaks and proper boiler and vent operation.
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