IBC SL 35-199 Operating Instructions Manual

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IBC SL 35-199 Operating Instructions Manual Manual pdf 43 page image

4-1MAINTENANCESL 35-199, SL 45-260 MODULATING GAS BOILERSMAINTENANCE4.0BOILER MAINTENANCE4.1.1 General Care• Keep combustible materials and flammable liquids and vapours away from theboiler.• Keep vent terminals clear of obstructions (snow, dirt, etc.).4.1.2 InspectionInspection of the boiler is to be performed annually by a qualified servicetechnician.4.1.3 Venting• Check vent terminals for and remove any obstructions (e.g. leaves, dust,other debris).• Check, and clean or replace intake air filters or screens as required.• Check for holes or leaks in venting. Replace venting as needed.• Examine for any signs of moisture caused by sweating intake air pipes;insulate as required.• Ensure proper resealing or reinstallation of venting on each servicing.4.1.4 Condensate Traps• Condensate trap must be examined every two months to see if cleaning isnecessary (refer to trap cleaning instructions, section 1.5.3 of this manual).Ensure that trap has been re-filled completely before firing boiler.• If condensate neutralization is used, check pH level of condensate discharge.4.1.5 Burner• Annually, remove burner to inspect for extent of fouling (refer to burnerremoval and reassembly instructions, section 3.4.1 of this manual). Blowclear using compressed air. Evaluate the magnitude of clearing required, andestablish a reasonable burner inspection schedule. Some boiler / locationsmay call for annual service, others showing clean burners will only needattention every 2 – 5 years. Consider adding air filtration if burner requirescleaning every year. In alternate years, visually inspect burner through sightglass. Ensure flame is stable and without excessive fluttering. Normal flamepattern is evenly distributed over the burner surface.• If burner is operating improperly, remove and clean or replace. Use a CO2analyzer to determine proper combustion. See Table 7 for correct values..4.1WARNINGLabel all wires prior todisconnection when servicingcontrols. Wiring errorscan cause improper anddangerous operation.CAUTIONThe owner is responsible forgeneral care of the boiler.Improper maintenance ofthe boiler may result in ahazardous condition.WARNINGWhenever the burner isremoved for inspection orboiler servicing, the sealinggaskets must be examinedand replaced if damaged.Upon re-assembly, anapproved leak test solutionmust be applied around theburner flange sealing area toensure there is no leakage ofcombustible gas/air premix.WARNINGFill trap with water beforeboiler is first fired to preventexhaust fumes from enteringroom. Never operate theboiler unless the trap is filledwith water.Failure to comply will resultin severe personal injury ordeath.