A.O. Smith BT-100-LP Скачать руководство пользователя страница 44 | Manualshive

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Содержание BT-100-LP

Страница 1: ...with the water heater WARNING If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or death Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any...

Страница 2: ... Fresh Air Openings For Confined Spaces 17 Outdoor Air Through Two Openings 17 Outdoor Air Through One Opening 17 Outdoor Air Through Two Horizontal Ducts 18 Outdoor Air Through Two Vertical Ducts 18 Air From Other Indoor Spaces 18 Venting 19 Gas Piping 20 Sediment Traps 22 TEMPERATURE REGULATION 24 FOR YOUR INFORMATION 25 Start UP CONDITIONS 25 Operational Conditions 26 PERIODIC MAINTENANCE 27 Ve...

Страница 3: ... hazard what can happen if you do not follow the safety message and how to avoid the risk of injury DANGER indicates an imminently hazardous situation which if not avoided will result in injury or death This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death WARNING indicates a p...

Страница 4: ...eater if any part has been exposed to flooding or water damage Inspect anode rods regularly replace when significantly depleted Install in location with drainage Fill tank with water before operation Properly sized thermal expansion tanks are required on all closed water systems Refer to this manual for installation and service ...

Страница 5: ...anual carefully If you don t follow the safety rules the water heater will not operate properly It could cause DEATH SERIOUS BODILY INJURY AND OR PROPERTY DAMAGE This manual contains instructions for the installation operation and maintenance of the gas fired water heater It also contains warnings throughout the manual that you must read and be aware of All warnings and all instructions are essent...

Страница 6: ... 6 1 7 8 4 8 1 1 4 NPT 1 2 NPT 11 15 16 30 3 Table 2 RECOVERY RATINGS Model Input Approx Gal Cap Approx Liter Cap Temp Rise C 17 22 28 33 39 44 50 56 61 67 72 78 Rating Btu Hr Rating kW F 30 40 50 60 70 80 90 100 110 120 130 140 75 75 100 22 74 280 GPH 243 182 146 121 104 91 81 73 66 61 56 52 LPH 916 686 550 456 392 343 305 275 249 230 211 196 100 75 100 22 98 371 GPH 243 182 146 121 104 91 81 73 ...

Страница 7: ... choose an indoor location for the new water heater because the placement is a very important consideration for the safety of the occupants in the building and for the most economical use of the water heater This water heater is not for use in manufactured mobile homes or outdoor installation Whether replacing an old water heater or putting the water heater in a new location the following critical...

Страница 8: ...rious burns to anyone in the area as well as property damage If installation in such areas is your only option then installation must be accomplished in a way that the pilot flame and main burner flame are elevated from floor at least 18 inches While this may reduce chances of flammable vapors from a floor spill being ignited gasoline and other flammable substances should never be stored or used i...

Страница 9: ...injury or death Contact your local gas supplier for any specific changes that may be required in your area ADJUSTING AIR SHUTTER FOR HIGHER ALTI TUDES The air shutter is preset with the air shutter in the open position and for most applications changing the air shutter is not required Figure 2 AIR SHUTTER OPEN A correctly set burner should have a stable quiet flame The flame will be blue with a we...

Страница 10: ...tc in addition to being highly flammable in many cases will also change to corrosive hydrochloric acid when exposed to the combustion products of the water heater The results can be hazardous and also cause product failure INSULATION BLANKETS Do not obstruct water heater air intake with insulating blanket Gas and carbon monoxide detectors are available Install water heater in accordance with the i...

Страница 11: ...llation location of circulating pumps See the circulation pump wiring diagrams Figure 9 and Figure 10 for electrical hookup information Install in accordance with the current edition of the National Electrical Code NFPA 70 or the Canadian Electrical Code CSA C22 1 All bronze or stainless steel circulating pumps are recommended for use with commercial water heaters Some circulating pumps are manufa...

Страница 12: ...gas system including the gas line and or the gas regulator may be restricted or undersized See Water Piping Diagrams page 39 and Gas Piping page 20 The gas valve on all models has a maximum gas supply pressure limit of 14 W C 3 48 kPa The maximum supply pressure is measured while gas is not flowing static pressure SUPPLY GAS REGULATOR The maximum allowable gas supply pressure for this water heater...

Страница 13: ...ce All piping components connected to this unit for space heating applications shall be suitable for use with potable water Toxic chemicals such as those used for boiler treatment shall not be introduced into this system When the system requires water for space heating at temperatures higher than required for domestic water purposes a mixing valve must be installed See Figure 11 page 13 for sugges...

Страница 14: ...n the above paragraph The new valve must be marked with a maximum set pressure not to exceed the marked hydrostatic working pressure of the water heater 150 psi 1 035 kPa and a discharge capacity not less than the water heater Btu hr or kW input rate as shown on the water heater s model rating label Note In addition to the factory installed temperature pressure relief valve on the water heater eac...

Страница 15: ...harge line 2 The water manually discharged will not cause any bodily injury or property damage because the water may be extremely hot If after manually operating the valve it fails to completely reset and continues to release water immediately close the cold water inlet to the water heater follow the draining instructions in this manual and replace the temperature pressure relief valve with a prop...

Страница 16: ...may be adequate to provide air for combustion ventilation and dilution of flue gases However in buildings of unusually tight construction for example weather stripping heavily insulated caulked vapor barrier etc additional air must be provided using the methods described in that follows CONFINED SPACE A confined space is one in which the volume is less than 50 cubic feet per 1 000 Btu hr 4 8 cubic...

Страница 17: ...300 mm of the bottom of the enclosure The openings shall communicate directly with the outdoors See Figure 13 Each opening shall have a minimum free area of 1 square inch per 4 000 Btu hr 550 mm2 per kW of the aggregate input rating of all appliances installed in the enclosure Each opening shall not be less than 100 square inches 645 cm2 OUTDOOR AIR THROUGH ONE OPENING Figure 14 FRESH AIR FROM ONE...

Страница 18: ...s shown in this section of the manual are a reference for the openings that provide fresh air into confined spaces only DO NOT refer to these illustrations for the purpose of vent installation See Venting page 19 for complete venting instructions Figure 16 FRESH AIR FROM TWO VERTICAL DUCTS The confined space shall be provided with two permanent vertical ducts one commencing within 12 inches 300 mm...

Страница 19: ...uated vent dampers Before installation of any vent damper consult the local gas utility for further information To insure proper venting of this gas fired water heater the correct vent pipe diameter must be utilized Any additions or deletions of other gas appliances on a common vent with this water heater may adversely affect the operation of the water heater Consult your gas supplier if any such ...

Страница 20: ...t or other noncombustible substance For other than single wall follow vent pipe manufacturer s clearance specifications To insure a tight fit of the vent pipe in a brick chimney seal around the vent pipe with mortar mix cement Failure to have required clearances between vent piping and combustible material will result in a fire hazard Be sure vent pipe is properly connected to prevent escape of da...

Страница 21: ...eaks before lighting the water heater Use a soapy water solution not a match or open flame Rinse off soapy solution and wipe dry The minimum inlet gas pressure shown on the rating plate is that which will permit firing at the rated input GAS SUPPLY LINE SIZES IN INCHES MAXIMUM CAPACITY OF PIPE IN CUBIC FEET PER HOUR Table 4 INPUT IN THOUSANDS BTU HR LENGTH IN FEET NOMINAL IRON PIPE SIZES INCHES 1 ...

Страница 22: ...eater installation The sediment trap shall be either a tee fitting with a capped nipple in the bottom outlet or other device recognized as an effective sediment trap If a tee fitting is used it shall be installed in conformance with one of the methods of installation shown in Figure 20 and Figure 21 Figure 20 GAS PIPING WITH FLEXIBLE CONNECTOR Figure 21 GAS PIPING WITH BLACK IRON PIPE Contaminants...

Страница 23: ...chnician or your gas supplier DANGER Hotter water increases the risk of scald injury Consult the instruction manual before changing temperature Refer to the Lighting Instructions in the Installation Manual for more detailed troubleshooting information 1 Turn the gas control temperature knob counterclockwise to the OFF setting The status light will stop blinking and stay on for a short time after t...

Страница 24: ...ure 22 WATER TEMPERATURE ADJUSTMENT The water temperature setting can be adjusted from 55 F to 181 F Turn the Gas Control Temperature Knob to the desired setting temperature NOTE The temperatures indicated are approximates The actual temperature of the heated water may vary STANDARD MODE The controller adjusts the water heater to maintain the temperature set by the user VACATION SETTING The Vacati...

Страница 25: ...gas pressure with a gauge or manometer When the heater is operating at full capacity full gas input it should consume approximately 1 cubic foot of gas in the time shown in Table 5 Table 6 INPUT CHECK TIME REQUIRED TO CONSUME 1 CU FT OF GAS Model Type of Gas BTU Per Cu Ft Approx Time Required To Consume 1 Cu Ft of Gas 75 Natural Propane 1050 2500 50 3 sec 119 8sec 100 Natural Propane 1050 2500 50 ...

Страница 26: ...er heater tank and all hot water lines Contact the local water heater supplier or service agency for further information concerning an Anode Replacement Kit and this chlorination treatment If the smelly water persists after the anode replacement and chlorination treatment we can only suggest that chlorination or aeration of the water supply be considered to eliminate the water problem Do not remov...

Страница 27: ...ible or immediately detectable However over a period of time a flooded water heater will create dangerous conditions which can cause DEATH SERIOUS BODILY INJURY OR PROPERTY DAMAGE Contact a qualified installer or service agency to replace a flooded water heater Do not attempt to repair the unit It must be replaced At least once a year a visual inspection should be made of the main burner and pilot...

Страница 28: ...ion and replacement of anode rod required CAUTION The anode rod is used to protect the tank from corrosion Most hot water tanks are equipped with an anode rod The submerged rod sacrifices itself to protect the tank Instead of corroding the tank water ions attack and eat away the anode rod This does not affect water s taste or color The rod must be maintained to keep the tank in operating condition...

Страница 29: ...pressure relief valve on the water heater weeps or discharges periodically this may be due to thermal expansion NOTE Excessive water pressure is the most common cause of temperature pressure relief valve leakage Excessive water system pressure is most often caused by thermal expansion in a closed system See Closed Water Systems page 13 and Thermal Expansion page 13 The temperature pressure relief ...

Страница 30: ...EXAMPLE 1 Initial inspection after 6 months shows 1 2 of lime accumulation Therefore the heater should be delimed once a year EXAMPLE 2 Initial inspection after 6 months shows 2 of lime accumulation Therefore the heater should be delimed every 3 months Figure 25 LIME BUILD UP BY TEMPERATURE AND USAGE DELIMING SOLVENTS UN LIME is recommended for deliming UN LIME is a patented food grade acid which ...

Страница 31: ...it 2 Remove the container s cap and cut plastic membrane located in the 3 4 IPT opening in cap Take care to not damage the threads 3 Find the 3 4 male adapter apply teflon tape to the threaded end and screw it into the 3 4 IPT opening in the cap 4 Put cap with male adapter back on the container and slide 3 4 hose over end of male adapter and fasten in place using hose clamp provided DELIME USING F...

Страница 32: ... close the hot water faucet 3 Connect a hose to the drain valve and terminate it to an adequate drain 4 Ensure the drain hose is secured before and during the entire flushing procedure Flushing is performed with system water pressure applied to the water heater 5 Open the water heater drain valve to flush the storage tank 6 Flush the water heater storage tank to remove sediment and allow the water...

Страница 33: ...s contain water vapor which can condense on the cooler surfaces of the tank Droplets form and drip onto the burner or run on the floor This is common at the time of start up after installation and when incoming water is cold I Water in the water heater bottom or on the floor may be from condensation loose connections or the relief valve DO NOT replace the water heater until a full inspection of al...

Страница 34: ...t is configured for the type of gas that you are using REMOVING THE GAS CONTROL VALVE THERMOSTAT 1 Turn the gas control temperature knob to the OFF position See Figure 22 page 24 2 Turn off the gas at the manual shut off valve on the gas supply pipe 3 Drain the water heater Follow the instructions in Draining and Flushing page 32 4 Disconnect the igniter wire from the igniter lead wire Use needle ...

Страница 35: ...the new gas control valve thermostat 4 Turn the main gas supply on and check the gas supply connections for leaks Correct any leak found Next light the pilot and main burner then check the manifold tube and pilot tube connections for leaks Correct any leak found Use an approved noncorrosive leak detection solution If such a solution is not available use a mixture of hand dish washing soap and wate...

Страница 36: ... do not use this appliance Immediately call a qualified techni cian to inspect the appliance Water heaters subjected to a flammable vapors ignition will require replacement of the entire water heater LIGHT ON SOLID Pilot light was recently extinguished and the Thermopile is cooling down Turn Gas Control Valve Thermostat knob to OFF Wait 10 minutes for the Thermopile to cool then attempt to relight...

Страница 37: ... is shut off This condition can also occur if the gas control temperature knob has been turned off and the pilot continues to operate because the pilot valve is stuck in the open position Make sure that the gas control valve thermostat knob is set to OFF Wait one minute Remove the outer door Look through the sight glass for a pilot flame If a pilot flame is observed with the gas control valve ther...

Страница 38: ...le malfunction Replace pilot thermopile assembly Defective Gas Control Replace Gas Control PILOT OUTAGE Dirty pilot burner Clean pilot assembly Thermopile malfunction Replace pilot thermopile assembly Defective Gas Control Replace Gas Control Thermopile tip is not in contact with pilot flame Insert thermopile correctly NOT ENOUGH HOT WATER Heater not lit or thermostat not on See Lighting Instructi...

Страница 39: ...the pump between the water heater s and the storage tank s SINGLE FLUE 1 UNIT 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 SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS F...

Страница 40: ...rmostat should be set 5 degrees F higher than the Tank Temperature Control SINGLE FLUE 1 UNIT WITH VERTICAL STORAGE TANK 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 SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES CHECK WITH LOCAL CODES A...

Страница 41: ...hermostat should be set 5 degrees F higher than the Tank Temperature Control SINGLE FLUE 1 UNIT WITH HORIZONTAL STORAGE TANK 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 SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES CHECK WITH LOCAL COD...

Страница 42: ... set 5 degrees F higher than the Tank Temperature Control SINGLE FLUE 1 UNIT WITH MIXING VALVE TWO TEMPERATURE 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 SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES CHECK WITH LOCAL CODES AND ORDINAN...

Страница 43: ...ter s and the storage tank s SINGLE FLUE 2 UNITS 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 SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS FINISHED FLOOR HOT WATER TO FI...

Страница 44: ...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 SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS FINISHED FLOOR HOT WATER TO FIXTURES HOT WATER RETURN HOT HOT COLD HIGH TEMPERATURE RE...

Страница 45: ...45 NOTES ...

Страница 46: ...proper gas supply line sizing gas type venting connections combustion air voltage wiring or fusing Failure to follow applicable codes Failure to follow printed instructions Abuse misuse accident fire flood Acts of God Improper installation sizing delivery or maintenance Claims related to rust noise smell or taste of water Failure to conduct authorized factory start up if required Alterations to th...

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