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MODELS SBD 30 150 AND SBD 30 199

COMMERCIAL GAS, GLASS-LINED, TANK-TYPE WATER HEATER

•  INSTALLATION 

 

•  OPERATION 

 

•  MAINTENANCE 

 

•  LIMITED WARRANTY

PLACE THESE INSTRUCTIONS ADJACENT TO HEATER

AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.

Printed in U.S.A. 1004

PART NO. 196310-001

500 LINDAHL PARKWAY

ASHLAND CITY, TN 37015

www.statewaterheaters.com

 

CAUTION

TEXT IN BLACK BOLD TYPE OR UNDERLINED CONTAINS
INFORMATION RELATIVE TO YOUR SAFETY.  PLEASE READ
THOROUGHLY BEFORE INSTALLING  AND USING THIS
APPLIANCE.

Thank you for buying this energy efficient water heater from
A.O. Smith Water Products Company.  We appreciate your
confidence in our products.

Summary of Contents for SBD 30 150

Page 1: ...ENCE Printed in U S A 1004 PART NO 196310 001 500 LINDAHL PARKWAY ASHLAND CITY TN 37015 www statewaterheaters com CAUTION TEXT IN BLACK BOLD TYPE OR UNDERLINED CONTAINS INFORMATION RELATIVE TO YOUR SA...

Page 2: ...ence of local codes the installation must comply with the latest editions of the National Fuel Gas Code ANSI Z223 1 NFPA 54 and the National Electrical Code NFPA 70 documents are available from the Na...

Page 3: ...lure of water heater is due to a corrosive atmosphere Refer to the limited warranty for complete terms and conditions IMPROPER COMBUSTION WARNING ATTICAND OREXHAUSTFANSOPERATINGONTHEPREMISES WITH AWAT...

Page 4: ...As elevation above sea level is increased there is less oxygen per cubic foot of air Therefore the heater input rate should be reduced at high altitudes for satisfactory operation with the reduced oxy...

Page 5: ...ting leading outside The exhaust inducer is equipped with a gravity controlled damper to reduce the amount of heat loss through the flue improving efficiency FIGURE5 EXHAUSTINDUCER CIRCULATING PUMP A...

Page 6: ...NOT RESULT IN DAMAGE TO THE ADJACENTAREAORTOLOWERFLOORSOFTHESTRUCTURE WHEN SUCH LOCATIONS CANNOT BEAVOIDED ASUITABLE DRAINPANSHOULDBEINSTALLEDUNDERTHEHEATER Such pans should be fabricated with sides a...

Page 7: ...nted in compliance with all local codes the current revision of the National Fuel Gas Code ANSI Z223 1 and with the Category I Venting Tables If any part of the vent system are exposed to ambient temp...

Page 8: ...cessive pressure may develop in such closed systems causing premature tank failure or intermittent relief valve operation This is not a warranty failure An expansion tank or a similar device may be re...

Page 9: ...ION IF COPPER SUPPLY LINES ARE USED THEY MUST BE INTERNALLYTINNEDANDCERTIFIEDFORGASSERVICE BEFORE ATTACHING THE GAS LINE BE SURE THAT ALL GAS PIPE IS CLEANONTHEINSIDE TOTRAPANYDIRTORFOREIGNMATERIALINT...

Page 10: ...t pressure tap of automatic gas valve while heater is operating FIGURE10 SINGLEUNITWIRINGDIAGRAM HEATER WIRING All electrical work must be installed in accordance with the latest version of the Nation...

Page 11: ...temperature and pressure relief valve of adequate capacity is installed on the heater The locations shown in the installation diagrams on the following pages are typical The discharge opening of the t...

Page 12: ...LD NOT EXCEED SAFE USE TEMPERATUREAT FIXTURES SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 20 IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT ADD AN ANTI SCALD VALVE FO...

Page 13: ...E TOGGLESWITCHMUSTBECLOSED ON DURING THERINSEOPERATIONANDOPEN OFF WHENDISHWASHER IS NOTOPERATING OR WHEN ON LONG STANDBY NOTE 2 INSTALLLINETEMPERATURECONTROLINANUNINSULATED TEEBEYONDTHEDISHWASHINGMACH...

Page 14: ...ons shown in the installation diagrams on the following pages are typical TWO TEMPERATURE TWO HEATERS ONE PRE HEATER ONE BOOSTER HEATER WITH OR WITHOUT BUILDING RECIRCULATION The discharge opening of...

Page 15: ...OTE 3 ADJUST PLUG COCK SO THE SANITIZING LOOP FLOW RATE DOES NOT CAUSE UNNECESSARY TURBULENCE IN THE TANK PIPE RELIEF VALVE TO OPEN DRAIN INSTALL IN ACCORDANCE WITH LOCAL CODES CIRCULATING RETURN LINE...

Page 16: ...ERS WITH MIXING VALVE TWO PRE HEATERS WITH BOOSTER HEATER DANGER TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERATURE AT FIXTURES SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 20 IF HIGHER PREHE...

Page 17: ...STER OUTPUT ADD AN ANTI SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES PIPE RELIEF VALVE TO OPEN DRAIN WHEN USING AN A O SMITH T 140 200 350 OR 400 STORAGE TANK USE LOWER 3 4 OPENING FOR TANK TEMPERAT...

Page 18: ...n burner before going into lockout After the controller tries three times it will wait one hour before trying to light the unit again This cycle will continue until the main burners are ignited or the...

Page 19: ...tes to clear out any gas If you then smell gas STOP Follow B in the safety information above on this label If you don t smell gas go on to the next step 7 Turn gas control knob counterclockwise to ON...

Page 20: ...o faucets to limit hot water temperatures Contact a licensed plumber or the local plumbing authority The water temperature is controlled by a thermostat see Figure 3 which has two sensing elements One...

Page 21: ...ecrease gas pressure and input rate 4 Clock the meter as in step 2 above 5 Repeat steps 3 and 4 until the specified input rate is achieved 6 Turn the gas control knob to PILOT Remove the pressure gaug...

Page 22: ...e inner cover for cleaning inspection or removal of inner parts you obtain two new nipple collars part no 74060 The nipple collars on the heater will usually be damaged when removed New pipe collars w...

Page 23: ...LIMINGUSINGFLO JUGMETHOD UN LIME in the 5 gallon size is recommended for deliming UN LIME with the necessary hoses and fittings to delime your heater is also available as a kit Up N Down Transfer Kit...

Page 24: ...1 800 821 2017 or visit our website at www statewaterheaters com When ordering parts be sure to state the quantity part number and description of the items including the complete model and serial numb...

Page 25: ...engages Prover Switch Ignition Control Board provides power to Silicon Nitride Ignitor Silicon Nitride Ignitor warms up for 20 seconds Ignition Control Board opens Gas Valve Ignition Control Board sh...

Page 26: ...Replace dual bulb controller if differential is too wide greater than 4 F Heater recovery is slower Call serviceman Check gas input If incorrect adjust gas pressure or replace main burner orifice Dra...

Page 27: ...on device check valves etc is installed in the cold water supply the heater is connected to unless an effective method of controlling thermal expansion is also installed at the heater s and operationa...

Page 28: ...28 500 Lindahl Parkway Ashland City TN 37015 Phone 800 821 2017 Fax 800 644 9306 www statewaterheaters com...

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