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Instruction Manual

PRINTED 0315

332007-000

KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE

WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.

POWER VENTED GAS MODELS W/HOT SURFACE IGNITION

MODEL BTX-80 SERIES 110

ALL TECHNICAL AND WARRANTY QUESTIONS:

SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS

PURCHASED. IF YOU ARE UNSUCCESSFUL, PLEASE WRITE TO THE COMPANY LISTED ON THE RATING PLATE ON THE WATER HEATER.

COMMERCIAL GAS WATER HEATERS

•

For Your Safety

•

AN ODORANT IS ADDED TO THE GAS USED

BY THIS WATER HEATER.

500 Tennessee Waltz Parkway

Ashland City, TN 37015

LOW LEAD

CONTENT

Содержание 110

Страница 1: ... MODEL BTX 80 SERIES 110 ALL TECHNICAL AND WARRANTY QUESTIONS SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS PURCHASED IF YOU ARE UNSUCCESSFUL PLEASE WRITE TO THE COMPANY LISTED ON THE RATING PLATE ON THE WATER HEATER COMMERCIAL GAS WATER HEATERS For Your Safety AN ODORANT IS ADDED TO THE GAS USED BY THIS WATER HEATER 500 Tennessee Waltz Parkway Ashland City TN 37015 LOW LEA...

Страница 2: ...y alert symbol indicates a potentially hazardous situation which if not avoided could result in property damage WARNING CAUTION CAUTION DANGER All safety messages will generally tell you about the type of hazard what can happen if you do not follow the safety message and how to avoid the risk of injury The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of California...

Страница 3: ...L SAFETY INFORMATION Fire Hazard For continued protection against risk of fire Do not install water heater on carpeted floor Do not operate water heater if any part has been exposed to flooding or water damage ...

Страница 4: ...rifice must be installed Do not operate if soot buildup is present Do NOT elevate any portion of the field supplied drain line beyond the 1 2 adaptor above the adaptor This must be true for the entire length of the drain line including the exit into an appropriate drain Condensate lines must be free and clear of debris and must not allow back flow through the hose The condensate lines must be able...

Страница 5: ...cumentsarealsoavailablefromNational Fire Protection Association 1 Batterymarch Park Quincy MA 02269 3 The water heater when installed must be grounded in accordance with the local codes or in the absence of local codes the National Electrical Code NFPA 70 or the Canadian Electrical Code C22 1 4 If after reading this manual you have any questions or do not understand any portion of the instructions...

Страница 6: ... feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation...

Страница 7: ...tch FF Exhaust Tee GG Elbow GET TO KNOW YOUR WATER HEATER GAS MODELS A Vent Pipe B Anode C Hot Water Outlet D Outlet 120 VAC F Gas Supply G Main Manual Gas Shut Off Valve H Ground Joint Union J Sediment Trap K Outer Door L Union M Inlet Water Shut Off Valve N Cold Water Inlet O Inlet Dip Tube P Temperature Pressure Relief Valve H H Bushing II Nipple JJ Condensate Tee KK Adapter LL Plug MM Vent Pip...

Страница 8: ...8 TYPICAL INSTALLATION CONDENSATE HOSE AND DRAIN PAN FIGURE 1 continued ...

Страница 9: ...e water heater being installed fits into one of these groups or if there is a local code or state law requiring a certain water temperature at the point of use then special precautions must be taken In addition to using lowest possible temperature setting that satisfies demand of application a Mixing Valve should be installed at water heater see Figure 3 or at hot water taps to further reduce syst...

Страница 10: ...nder both load and no load static and dynamic conditions Recovery Capacities U S Gallons Hr and Liters Hr at Temperature Rise Indicated Recovery capacity based on 90 thermal efficiency Rough In Dimensions Model Units A B C D E F G H J K BTX 80 Inches 71 12 68 70 51 90 20 90 9 15 12 00 22 00 8 00 15 81 26 92 cm 180 64 174 50 131 83 53 09 23 24 40 48 55 88 20 32 40 16 68 38 Top Side Inlet and Outlet...

Страница 11: ...an piped to a drain However unanticipated damage can be reduced or prevented by a leak detector or water shut off device used in conjunction with a piped drain pan These devices are available from some plumbing supply wholesalers and retailers and detect and react to leakage in various ways Sensors mounted in the drain pan that trigger an alarm or turn off the incoming water to the water heater wh...

Страница 12: ...orine based chemicals refrigerants etc in addition to being highly flammable in many cases will also react to form 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 Insulation blankets are available to the general public for external use on gas water heaters but are not necessary w...

Страница 13: ...ne the size of openings providing fresh air into confined spaces EXHAUST FANS Where exhaust fans are installed additional air shall be provided to replace the exhausted air When an exhaust fan is installed in the same space with a water heater sufficient openings to provide fresh air must be provided that accommodate the requirements for all appliances in the room and the exhaust fan Undersized op...

Страница 14: ... 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 Installation of Vent System on pages 19 26 for complete venting installation instructions FIGURE 9 The confined space shall be provided with two permanent vertical ducts one commencing within 12 inches 300 mm of the top and one commencing withi...

Страница 15: ...de requirements or such conditions as high line pressure among others have installed devices such as pressure reducing valves check valves and back flow preventers Devices such as these cause the water system to be a closed system CHEMICAL VAPOR CORROSION CORROSION OF THE FLUEWAYS AND VENT SYSTEM MAY OCCUR IF AIR FOR COMBUSTION CONTAINS CERTAIN CHEMICAL VAPORS SUCH CORROSION MAY RESULT IN FAILURE ...

Страница 16: ...f the T P valve Secure all insulation using tape TEMPERATURE PRESSURE RELIEF VALVE Explosion Hazard Temperature Pressure Relief Valve must comply with ANSI Z21 22 CSA 4 4 and ASME code Properly sized Temperature Pressure Relief Valve must be installed in opening provided Can result in overheating and excessive tank pressure Can cause serious injury or death This water heater is provided with a pro...

Страница 17: ...T P valve is not intended for the constant relief of thermal expansion Aproperly sized thermal expansion tank must be installed on all closed systems to control thermal expansion see Closed Water Systems and Thermal Expansion on page 15 16 If you do not understand these instructions or have any questions regardingtheTemperature PressureReliefValvecallthetollfreenumber listed on the back cover of t...

Страница 18: ...y piping system by closing itsindividualmanualShut offvalveduringanypressuretestingofthegas supply piping system at test pressures equal to or less than 1 2 pound per square inch 3 5 kPa Connecting gas piping to the gas control valve of water heater can be accomplished by either of two methods shown in Figures 12 and 13 FIGURE 12 GAS PIPING WITH FLEXIBLE CONNECTOR FIGURE 13 GAS PIPING WITH ALL BLA...

Страница 19: ...und that either of the two pieces of pipe in Vent Pipe Assembly 2 are too long for proper fit up then remove as little material as possible to improve the fit up Keep in mind that the pipes will insert slightly further into the elbows when cement is applied as it acts as a lubricating agent The vertical distance from the bottom of the Condensate U Assembly to the floor that supports the water heat...

Страница 20: ...30 cm 12 inches 30 cm K Clearance to a mechanical air supply inlet 6 feet 1 83 m 3 feet 91 cm above if within 10 feet 3 m horizontally E Clearance to unventilated soffit 12 inches 30 cm 12 inches 30 cm L Clearance above paved sidewalk or paved driveway located on public property 7 feet 2 13 m 7 feet 2 13 m F Clearance to outside corner 2 feet 60 cm 2 feet 60 cm M Clearance under veranda porch deck...

Страница 21: ... pipe lengths discussed above where each elbow is equal to 5 feet 1 5 m of straight pipe 3 vent pipe or 8 feet 2 4 m of straight pipe 4 vent pipe APPROVED VENT INTAKE MATERIAL Approved vent and intake air pipe materials that may be used in the United States PVC pipe materials DWV ASTM D2665 or CSA B181 2 Schedule 40 80 120 ASTM D1785 or CSA B137 3 SDR Series ASTM 2241 or CSA B137 3 CPVC pipe mater...

Страница 22: ...s do not use cement to connect the pipe and elbow sections but use a push together gasket seal method Do not attempt to connect Polypropylene with sealant cement All vent connections MUST be secured by the vent manufacturer s joint connector The installer must use a specific vent starter adapter at the flue connection The adapter is supplied by the vent manufacturer to adapt to its vent system In ...

Страница 23: ...that the plastic tubing is still attached from the air pressure switch to the port on the blower housing Make sure the plastic tubing is not folded anywhere between the pressure switch and the blower housing 6 Make sure the ON OFF switch is in the OFF position and that the outer harness is connected from the blower control box to the connector on the bottom side of the gas valve 7 If the outer har...

Страница 24: ...line This will allow the vent to easily slide through the opening The resulting gap will be covered up by the Vent Terminal cover plate Repeat this step on inside wall if necessary SEQUENCE OF INSTALLATIONS FIGURE 18 Cut a length of PVC pipe about 3 5 inches 8 9 cm longer than wall thickness at the opening Glue vent terminal to this section of pipe Slide the wall plate over the pipe to stop agains...

Страница 25: ...tallation of a snorkel it is necessary to use two 90 elbows that shall be considered along with the additional vent pipe when calculating maximum equivalent feet of venting INSTALLATION OF VERTICAL VENT SYSTEM A proper flashing or BOOT should be used to seal the pipe where it exits the roof The total vent system should not exceed the equivalent feet of pipe as listed in Table 1 Provide support for...

Страница 26: ... cement not included with kit and glue the two inch PVC pipe coming from the blower into the VAA 3 Perform the same sequence on the PVC pipe coming from the exhaust side vent terminal side of the VAA 4 Make sure the VAA and vent pipe is supported securely to a permanent fixture stud or wall Use standard support straps not supplied with kit that may be found at a local hardware store Failure to pro...

Страница 27: ...A and the vent pipe system Air leaks will allow flue gas by products to disseminate into the room creating an unsafe environment and could cause illness asphyxiation and or even death FIGURE 24 Typical Installation for Vertical Vent with 3 or 4 inch Pipe Installation of VAA with 3 4 inch Pipe for Horizontal Vent Some applications may require the use of 3 or 4 inch vent pipe for longer vent lengths...

Страница 28: ... and above PRIMER It is recommended that Tetrahydrofuran THF be used to prepare the surfaces of pipe and fittings for solvent welding Do not use water rags gasoline or any other substitutes for cleaning PVC or CPVC surfaces A chemical cleaner such as MEK may be used CEMENT The cement should be a bodied cement of approximately 500 to 1600 centipoise viscosity containing 10 20 by weight virgin PVC m...

Страница 29: ...d make a second mark as the primer and cement will most likely destroy your first one Apply primer to the surface of the pipe and fitting socket with a natural bristle brush This process softens and prepares the PVC or CPVC for the solvent cementing step Move quickly and without hesitation to the cementing procedure while the surfaces are still wet with primer E Application of solvent cement Apply...

Страница 30: ...ER buttons together and holding for 1 second Then press the COOLER button until the WARM indicator light appears 2 Set the ON OFF switch on the blower control box to the OFF position 3 Turn off all electric power to the appliance if service is to be performed BEFORE OPERATING ENTIRE SYSTEM MUST BE FILLED WITH WATER AND AIR PURGED FROM ALL LINES 1 STOP Read the safety information above on this labe...

Страница 31: ...ic does not have access If a suitable area is not available a cover should be installed over the thermostat to prevent tampering Thewatertemperaturesettingwasfactorysetatthelowesttemperature Pressing the COOLER button decreases temperature and pressing the HOTTER button increases the temperature Setting water heater temperature at 120 F 49 C Approx mark on temperature setting of gas valve will red...

Страница 32: ...ocal 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 remove the anode leaving the tank unprotected By doing so...

Страница 33: ...ould be made of the main burner and the hot surface igniter assembly for proper flame characteristics and ignition sequences This can be done by removing the Outer Door and viewing the main burner operation through the Viewport on the Inner Door see Figure 1 The main burner should provide complete combustion of gas ignite rapidly give reasonably quiet operation and cause no excessive flame lifting...

Страница 34: ... not have a thermal expansion tank installed is not covered under the limited warranty Thermal expansion tanks must be installed on all closed water systems DO NOT PLUG THE TEMPERATURE PRESSURE RELIEF VALVE OPENING THIS CAN CAUSE PROPERTY DAMAGE SERIOUS INJURY OR DEATH Explosion Hazard Temperature Pressure Relief Valve must comply with ANSI Z21 22 CSA 4 4 and ASME code Properly sized Temperature P...

Страница 35: ...oose connections or the relief valve DO NOT replace the water heater until a full inspection of all possible water sources is made and necessary corrective steps taken Leakage from other appliances water lines or ground seepage should also be checked To check where threaded portion enters tank insert cotton swab between jacket opening and fitting If cotton is wet follow Draining instructions in th...

Страница 36: ... control does not energize the blower replace the Intelli Vent control If the blower fails to Blower may run continuously in start when energized replace the blower assembly this condition 2 Ensure the air pressure switch sensing tube is properly connected not kinked or damaged 3 Check continuity of vent temperature limit switch replace switch if contacts remain open under 160ºF 71 C 4 Ensure the ...

Страница 37: ...off for 10 20 seconds then on again to clear this error code 4 Ensure the flame sensor is clean use ultra fine steel wool or Scotch Brite pad to clean flame sensor 5 Ensure the hot surface ignitor is positioned to provide consistent ignition 6 Check for any cracks in ignitor assembly ceramic insulators replace ignitor assembly if damaged 7 Check resistance of ignitor at room temperature 77ºF 25 C ...

Страница 38: ...hin tolerance 1 Ensure air pressure switch hose is not kinked or clogged ensure the blower housing is clear of any condensation 2 Check vent temperature limit switch if it is determined that the vent temperature limit switch is opening its contacts at normal operating temperatures during heating cycle replace the vent temperature limit switch 3 Ensure water heater is not over firing 3 1 Check burn...

Страница 39: ...39 These guidelines should be utilized by a qualified service agent TROUBLESHOOTING GUIDELINES TROUBLESHOOTING GUIDELINES ...

Страница 40: ...40 NOTES ...

Страница 41: ...41 NOTES ...

Страница 42: ...42 NOTES ...

Страница 43: ...g gas type venting connections combustion air voltage wiring or fusing Failure to follow applicable codes Failure to follow printed instructions 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 the water heater Non outdoor heaters installed outdoors Damages due to a fa...

Страница 44: ...44 500 Tennessee Waltz Parkway Ashland City TN 37015 Technical Support 800 527 1953 Parts 800 433 2545 Fax 800 644 9306 www hotwater com Copyright 2015 A O Smith Corporation All rights reserved ...

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