Manuals / State Industries / Household Appliance / Electric Heater

State Industries SBD85 500, SBD71 120 manual Contaminated Air, AIR FOR COMBUSTION Flammable Items

Models: SBD85 500 SBD71 120

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SBD TANK TYPE HEATERS

SERVICE HANDBOOK

CONTAMINATED AIR

Along with adequate make-up air, the quality of the air is important. Contaminants in combustion air can lead to premature heater failure. Vapors from bleaches, soaps, waxes, salts, etc. are drawn into the combustion chamber with the make-up air and, once fired, mix with water vapor in the gases to form extremely corrosive hydrochloric or hydrofluoric acid and other corrosive byproducts.

AIR FOR COMBUSTION

Flammable Items

Flammable items, pressurized containers or any other potentially hazardous articles must never be placed on or adjacent to the heater. Open containers of flammable material should not be stored or used in the same room with the heater.

Technical Training Department	9
Ashland City, TN ©2003

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State Industries SBD85 500 Contaminated Air, AIR FOR COMBUSTION Flammable Items, Sbd Tank Type Heaters Service Handbook

Contents

Also includes Parts List Part Number STC-072SERVICE HANDBOOK SandBlasterSBD TANK TYPE HEATERS SERVICE HANDBOOK SBD HANDBOOKModel Breakdown SBD 85 500 P E A CGA D SBD TANK TYPE HEATERS SERVICE HANDBOOKClearance to Combustibles Table INSTALLATIONCLEARANCES FROM COMBUSTIBLES MODELEXTERIOR CLEARANCE SBD TANK TYPE HEATERS SERVICE HANDBOOKMinimum AIR FOR COMBUSTION10 CUBIC FEET OF AIR PER 1,000 BTU SBD TANK TYPE HEATERS SERVICE HANDBOOKDIRECT COMMUNICATION 1 Square Inch Per 4,000 BTUH MAKE-UPAIRSBD TANK TYPE HEATERS SERVICE HANDBOOK SBD TANK TYPE HEATERS SERVICE HANDBOOK VERTICAL DUCTSHORIZONTAL DUCTS MAKE-UPAIRBACKDRAFT INSUFFICIENT MAKE-UPAIRSBD TANK TYPE HEATERS SERVICE HANDBOOK AIR FOR COMBUSTION Flammable Items CONTAMINATED AIRSBD TANK TYPE HEATERS SERVICE HANDBOOK GAS PRESSURE REQUIREMENTS Supply Gas Manifold Pressure Tap Dirt LegManifold Gas Port Natural GasSBD TANK TYPE HEATERS SERVICE HANDBOOK SBD GAS VALVESee step 18 for SBD-500gas valve illustration Nine Rules for Good Vents VENTING Atmospheric, Single, and Multiple HeatersCombined Vents SBD TANK TYPE HEATERS SERVICE HANDBOOKNine Rules for Good Vents continued SBD TANK TYPE HEATERS SERVICE HANDBOOKSBD TANK TYPE HEATERS SERVICE HANDBOOK Nine Rules for Good Vents continuedPOWER VENT KITS FOR SIDEWALL VENTING SBD TANK TYPE HEATERS SERVICE HANDBOOK7.Thermostat satisfies SBD SEQUENCE OF OPERATION1.Thermostat calls for heat 3.Intermittent Ignition ControlSBD ELECTRICAL SEQUENCE 100 - 109 Series SBD TANK TYPE HEATERS SERVICE HANDBOOK115/60/12A SBD ELECTRICAL SEQUENCE OF OPERATIONSBD TANK TYPE HEATERS SERVICE HANDBOOK TEST THE TRANSFORMER TROUBLESHOOTING SBD WATER HEATERSSTEP THENSBD TANK TYPE HEATERS SERVICE HANDBOOK HIGH LIMIT, LEFT TERMINAL TESTGround 24VAC FM Transformer STEPJumper Wire TemperatureReset Button After Push in Reset - 24 VAC is now presentINSPECT THE DAMPER Damper ClosedDamper Open CHECK THE PC BOARDMotor Lead Service SwitchPC BOARD MOTOR TEST SBD TANK TYPE HEATERS SERVICE HANDBOOKSTEP THERMOSTAT TESTSBD TANK TYPE HEATERS SERVICE HANDBOOK THENEFFIKAL DAMPER ServiceSwitch AdapterTEST FOR 24VAC BETWEEN BLACK COMMON AND BROWN HARNESS CHARTNORMAL OPERATION Heater HarnessTEST FOR 24VAC BETWEEN BLACK AND ORANGE NORMAL OPERATION continuedSTEP 8A STEP 8BSBD TANK TYPE HEATERS SERVICE HANDBOOK TROUBLESHOOTING THE EFFIKAL DAMPERSTEP 9A ConditionService Switch TROUBLESHOOTING THE EFFIKAL DAMPER continuedA1 IS CORRECT, CHECK SERVICE SWITCH POSITION STEP 9BSTEP 10B ADJUST END SWITCH TO CAM CONTACTSTEP 10A TROUBLESHOOTING THE EFFIKAL DAMPER continuedSTEP WIRE HARNESS TESTSBD TANK TYPE HEATERS SERVICE HANDBOOK THENSTEP IID MODULE TESTSBD TANK TYPE HEATERS SERVICE HANDBOOK THENSBD TANK TYPE HEATERS SERVICE HANDBOOK Power To Module May Be Interrupted To ResetPILOT SPARK TEST STEPSBD TANK TYPE HEATERS SERVICE HANDBOOK STEP 14APILOT VALVE - OHM TEST THENSBD TANK TYPE HEATERS SERVICE HANDBOOK STEP 14BPILOT VALVE TEST - SBD 500 ONLY THENSTEP MAIN BURNER TESTSBD TANK TYPE HEATERS SERVICE HANDBOOK THENSBD TANK TYPE HEATERS SERVICE HANDBOOK FLAME RECTIFICATIONSTEP 16. FLAME RECTIFICATION STEPSTEP Pilot is lit - Sparking has stoppedSBD TANK TYPE HEATERS SERVICE HANDBOOK IID MODULE TESTSBD TANK TYPE HEATERS SERVICE HANDBOOK STEP 18AMAIN GAS VALVE CHECK TH TRSBD TANK TYPE HEATERS SERVICE HANDBOOK STEP 18BMAIN GAS VALVE COIL CHECK THENSERVICE HANDBOOK GENERAL SERVICE CHARTSBD TANK TYPE HEATERS SERVICE HANDBOOK GENERAL QUESTIONS AND ANSWERSSBD TANK TYPE HEATERS SERVICE HANDBOOK SBD MODELS 120 THRU 500ASERIES 110/111 EFFIKAL DAMPER DRIVE ASSEMBLY GAS VALVESSERVICE HANDBOOK SBD MODELS 120 THRU 500A continued SERIESSBD TANK TYPE HEATERS CLEANOUT ASSEMBLY SeriesSERVICE HANDBOOK SBD MODELS 120 THRU 500A continued SERIESSBD MODELS 120 THRU 500A continued SERIES SERVICE HANDBOOKCLEANOUT ASSEMBLY SBD TANK TYPE HEATERSSBD MODELS 120 THRU 500A continued SERIES SERVICE HANDBOOKCLEANOUT ASSEMBLY SBD TANK TYPE HEATERSSBD MODELS 120 THRU 500A continued SERIES SERVICE HANDBOOKCLEANOUT ASSEMBLY SBD TANK TYPE HEATERSSBD MODELS 120 THRU 500A continued SERIES SERVICE HANDBOOKCLEANOUT ASSEMBLY SBD TANK TYPE HEATERSSBD MODELS 120 THRU 500A continued SERIES SERVICE HANDBOOKCLEANOUT ASSEMBLY SBD TANK TYPE HEATERSNAME COMPONENT PART INFORMATIONSPECIFICATIONS STATE PARTSBD SERVICE CHECKLIST SBD TANK TYPE HEATERS SERVICE HANDBOOKV.WATER PIPING Author Terry Mulder COMMENTSSERVICE HANDBOOK SBD TANK TYPE HEATERSThe Expert’s Choice State Water HeatersCOMMERCIAL Copyright 2006 State Industries, Inc