A.O. Smith 104 Series Instruction Manual Download Page 56

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Summary of Contents for 104 Series

Page 1: ...7015 Low Lead Content Thank yRX IRr EXyinJ this enerJy eI Fient water heater We aSSreFiate yRXr FRn denFe in RXr SrRdXFts WARNING If the information in these instructions is not followed exactly a fir...

Page 2: ...AGRAMS 35 49 MANIFOLD KITS 50 REPLACEMENT PARTS LIST 51 52 NOTES 53 54 WARRANTY 55 TABLE OF CONTENTS SAFE INSTALLATION USE AND SERVICE 3 APPROVALS 3 GENERAL SAFETY INFORMATION 4 5 PreFautions 5 Ground...

Page 3: ...ther reproduFtive harm and requires businesses to warn of potential exposure to suFh substanFes WARNING This produFt Fontains a FhemiFal known to the State of California to Fause FanFer birth defeFts...

Page 4: ...fter servicing Failure to follow these instructions can result in personal injury or death Fire Hazard For continued protection against risk of fire Do not install water heater on carpeted floor Do no...

Page 5: ...ystem If hydrogen is present there will probably be an unusual sound suFh as air esFaping through the pipe as the water begins to ow THERE SHOULD BE NO SMOKING OR OPEN FLAME NEAR THE FAUCET AT THE TIM...

Page 6: ...s limited and Fould be void in the event the unit is not installed per the instruFtions in this manual and or not started up by an authorized faFtory trained serviFe start up provider PREPARING FOR TH...

Page 7: ...ter heater IGNITION MODULE FIGURE 2 BAROMETRIC DRAFT CONTROL The heater is equipped with a double aFting barometriF draft Fontrol This Fontrol assembly is faFtory adjusted to automatiFally regulate th...

Page 8: ...SHIP WT LBS IN OUT ASME STD BTP 139 A 74 3 4 65 26 3 4 6 21 3 8 27 3 4 38 85 1 4 1 2 658 556 1 1 2 1 1 2 BTP 199 A 74 3 4 65 26 3 4 6 21 3 8 27 3 4 38 85 1 4 1 2 635 545 1 1 2 1 1 2 BTP 270 A 74 3 4 6...

Page 9: ...256 5 Models with letter A following the model number have the optional ASME tank FonstruFtion The BTP 370 is available in natural gas only TABLE 3 GAS AND ELECTRICAL CHARACTERISTICS Model Type of Ga...

Page 10: ...5 24 Fm 24 60 96 Fm LOCATING THE WATER HEATER Property Damage Hazard All water heaters eventually leak Do not install without adequate drainage CAUTION When installing the heater Fonsideration must be...

Page 11: ...ns exist water softening or the threshold type of water treatment is reFommended This will proteFt the dishwashers Foffee urns water heaters water piping and other equipment See the MaintenanFe SeFtio...

Page 12: ...ons above 2000 feet 610 ratings must be reduFed at the rate of 4 for eaFh 1000 feet 305m above sea level For example if a heater is rated at 78 000 Btuh 22 9 Kwh at sea level to rate the heater at 400...

Page 13: ...ng equipment off statiF pressure and with all gas burning equipment running at maximum rate dynamiF pressure The gas supply pressure must be stable within 1 5 W C from statiF to dynamiF pressure to pr...

Page 14: ...and the Water Piping Diagrams beginning on page 35 TEMPERATURE PRESSURE RELIEF VALVE Explosion Hazard Temperature Pressure Relief Valve must comply with ANSI Z21 22 CSA 4 4 and ASME code Properly siz...

Page 15: ...ture Pressure Relief Valve Fall the toll free number listed on the baFk Fover of this manual for teFhniFal assistanFe CONTAMINATED AIR Breathing Hazard Carbon Monoxide Gas Install water heater in acco...

Page 16: ...n ned SpaFe is one whose volume is less than 50 FubiF feet per 1 000 Btu hr 4 8 FubiF meters per kW of the total input rating of all applianFes installed in the spaFe Openings must be installed to pro...

Page 17: ...Fhes 300 mm of the top of the enFlosure shall be provided See Figure 12 The water heater shall have FlearanFes of at least 1 inFh 25 mm from the sides and baFk and 6 inFhes l50 mm from the front of th...

Page 18: ...aggregate input rating of all applianFes installed in the enFlosure EaFh opening shall not be less than 100 square inFhes 645 Fm2 OUTDOOR AIR THROUGH TWO VERTICAL DUCTS The illustrations shown in thi...

Page 19: ...the water heater eaFh remote storage tank that may be installed and piped to a water heating applianFe must also have its own properly sized rated and approved Temperature Pressure Relief Valve instal...

Page 20: ...is reFommended that the disFharge pipe be terminated at an adequate drain inside the building Shall not have any valve or other obstruFtion between the relief valve and the drain INSTALLATION DIAGRAM...

Page 21: ...ing jurisdiFtion AN ELECTRICAL GROUND IS REQUIRED TO REDUCE RISK OF ELECTRICAL SHOCK OR POSSIBLE ELECTROCUTION If any of the original wire as supplied with the water heater must be replaFed use only t...

Page 22: ...ants in gas ways SuFh fouling may Fause improper operation re or explosion If Fopper supply lines are used they must be internally tinned and Ferti ed for gas serviFe Before attaFhing the gas line be...

Page 23: ...pe 3 Fully open the Fold water inlet valve allowing the piping and water heater to ll with water 4 Close hot water fauFet opened in Step 2 as water starts to ow Read SEQUENCE OF OPERATION seFtion of t...

Page 24: ...IF NO SPARK S89 LOCKS OUT AND SHUTS DOWN SYSTEM MUST BE RESET IF FLAME SIMULATION CONDITION IS PRESENT SYSTEM WILL NOT START POWER INTERUPTION SYSTEM SHUTS OFF RESTARTS WHEN POWER IS RESTORED SAFE ST...

Page 25: ...25 LIGHTING OPERATION LABEL FIGURE 21 LABEL FOR NATURAL AND LP GAS MODELS...

Page 26: ...yed to assure proper venting and ForreFt Fombustion CHECKING THE INPUT For installation loFations with elevations above 2000 feet refer to HIGH ALTITUDE INSTALLATIONS seFtion of this manual for input...

Page 27: ...est of the ue gases with an Orsat or other similar Fombustion test equipment If the CO2 Fontent is within range see table 6 no adjustment of the air shutter is required Flue gas temperature and CO2 me...

Page 28: ...the limited warranty Thermal expansion tanks must be installed on all Flosed water systems DO NOT PLUG THE TEMPERATURE PRESSURE RELIEF VALVE OPENING THIS CAN CAUSE PROPERTY DAMAGE SERIOUS INJURY OR D...

Page 29: ...s ef FienFy of the heater and inFreases fuel Fonsumption The usage of water softening equipment greatly reduFes the hardness of the water However this equipment does not always remove all of the hardn...

Page 30: ...tank due to a by pass problem or defeFtive Fold water inlet valve Also FheFk for Flogged drain valve opening Heater must be Fompletely drained before introduFing UN LIME 8 Remove the Fleanout Fover an...

Page 31: ...er gasket part number 9004099215 Remove the drain valve 9 Install the long plastiF male adapter insert tting into the drain valve opening of heater after applying Te on tape or paste to threads Tighte...

Page 32: ...against diagram FheFk for grounded broken or loose wires CheFk all wire ends to be sure that they are making good FontaFt ELECTRICAL SERVICING LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CO...

Page 33: ...lve If rumbling persists Fall a quali ed serviFe agenFy Delime heater TiFking or metalliF sounds Expansion and FontraFtion normal Pounding water hammer Air Fhambers in piping have beFome waterlogged T...

Page 34: ...limit switFh operation the water heater Fannot be restarted unless the water temperature is reduFed to approximately 120F 49C The high limit reset button on the front of the thermostat then needs to b...

Page 35: ...s operating thermostat should be set 5 degrees F higher than the Tank Temperature Control MULTI FLUE 1 UNIT WITH VERTICAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CI...

Page 36: ...ostat should be set 5 degrees F higher than the Tank Temperature Control MULTI FLUE 1 UNIT WITH HORIZONTAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP...

Page 37: ...and the storage tank s MULTI FLUE 1 UNIT WITH MIXING VALVE TWO TEMPERATURE LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BAL...

Page 38: ...mp between the water heater s and the storage tank s MULTI FLUE 2 UNITS LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BALL VA...

Page 39: ...tat should be set 5 degrees F higher than the Tank Temperature Control MULTI FLUE 2 UNITS WITH VERTICAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TAN...

Page 40: ...tat should be set 5 degrees F higher than the Tank Temperature Control MULTI FLUE 2 UNITS WITH VERTICAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TAN...

Page 41: ...t should be set 5 degrees F higher than the Tank Temperature Control MULTI FLUE 2 UNITS WITH HORIZONTAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TAN...

Page 42: ...EMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BALL VALVE TEMPERATURE GAGE WATER FLOW SWITCH CHECK VALVE WARNING THIS DRAWING SHOWS SU...

Page 43: ...VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BALL VALVE TEMPERATURE GAGE WATER FLOW SWITCH CHECK VALVE WARNING THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES C...

Page 44: ...LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BALL VALVE TEMPERATURE GAGE WATER FLOW SWITCH CHECK VALVE WARNING THIS DRAWING...

Page 45: ...an the Tank Temperature Control MULTI FLUE 3 UNITS WITH VERTICAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT B...

Page 46: ...than the Tank Temperature Control MULTI FLUE 3 UNITS WITH HORIZONTAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PO...

Page 47: ...RE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BALL VALVE TEMPERATURE GAGE WATER FLOW SWITCH CHECK VALVE WARNING THIS DRAWING SHOWS SUGGESTED...

Page 48: ...perature Control MULTI FLUE 4 UNITS WITH VERTICAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BALL VALVE TEMPE...

Page 49: ...emperature Control MULTI FLUE 4 UNITS WITH HORIZONTAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BALL VALVE T...

Page 50: ...rometriF draft Fontrol assemblies Fombustion FlearanFes and serviFing must be added PRIOR TO START UP IMPORTANT FaFtory Start Up is required for aFtivating warranty and assuring maximum operating perf...

Page 51: ...BTP 139 HSG 200 62459 001 0 24 62459 001 0 209 BTP 199 HSG 200 62459 001 0 38 62459 001 0 257 BTP 270 A HSG 400 62459 002 0 368 62459 002 0 302 BTP 370 A HSG 400 62459 002 0 532 62459 002 0 386 MAIN...

Page 52: ...Draft Control w Tee Assy 9500007199 9500007199 9500007200 9500007200 Cleanout Assembly 4 Gasket 9004099215 9004099215 9004099215 9004099215 5 Pressure Plate 9005797205 9005797205 9005797205 900579720...

Page 53: ...NOTES 53...

Page 54: ...NOTES 54...

Page 55: ...gas supply line sizing gas type venting FonneFtions Fombustion air voltage wiring or fusing Failure to follow appliFable Fodes Failure to follow printed instruFtions Abuse misuse aFFident re ood AFts...

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