Raypak RAYTHERM 0133-4001 Installation And Operating Instructions Manual

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Raypak RAYTHERM 0133-4001 Installation And Operating Instructions Manual Manual pdf 29 page image

PILOT BURNER FLAME (IID UNITS)INSPECTIONSBURNERSClean main burners and air louvers of dust, lint anddebris. Keep boiler area clear and free from com-bustibles and flammable liquids. Do not obstruct theflow of combustion and ventilation air. Make visualcheck of burner and pilot flame. Yellow flame indicatesclogging of air openings. Lifting or blowing flame indi-cates high gas pressure. Low flame indicates low gaspressure.TYPICAL MAIN BURNER FLAME Fig. # 8144NOTE: Modulating burner flame varies in height fromapproximately 1/4" at low fire to approximately 4" athigh fire.CONTROLSCheck all controls to see that they are operational.To check electronic safety (IID Models), turn off mainburner. Observe pilot burner when shutting off pilotgas. Ignition spark should go on. Main gas valve willalso drop out.To check high limit switch, turn dial setting down toa point slightly below the temperature of the waterleaving the heater. The reset button should snap outand the burner should shut-off. Reset dial to 30∞F to40∞F above desired operating temperature, and pushreset button. Burner should light.SUGGESTED INSPECTION SCHEDULEThe boiler should be inspected on the first and thirdmonths after initial start-up and then on an annualbasis. If problems are found, refer to TroubleshootingGuide for additional directions.1. Remove top of heater and inspect heat exchangerfor soot and examine venting system.2. Remove rear header and inspect for scale depos-its, and/or accelerated erosion.*3. Inspect pilot and main burner flame and firing rate.*4. Inspect and operate all controls and gas valve.*5. Visually inspect system for water leaks.*6. a. Oil pump motor and bearing assembly, if oilcups are provided.b. Disconnect pump from header and checkcondition of pump impeller. Check conditionof bearing by attempting to move impellerfrom side to side. Replace any parts showingwear.c. Check pump coupler for wear and vibration.7. Check flow switch paddle.8. Clean room air intake openings to ensure ad-equate flow of combustion and ventilation air.CAUTION: Combustion air must not be contaminatedby corrosive chemical fumes which can damage theboiler and void the warranty.9. Keep boiler area clear and free from combustiblematerials, gasoline, and other flammable vaporsand liquids.*Should be checked monthly. (Takes approximately15 minutes).29PILOT BURNER FLAME(STANDING PILOT UNITS)Fig #9336Fig #8964.1