A.O. Smith ACGSS02407 Specifications
Contents
1. working pressure of 160 PSI Water heater s shall 1 Have seamless glass lined steel tank construction with glass lining applied to all water side surfaces after the tank has been assembled and welded 2 Have a spiral shaped heat exchanger placed entirely inside the tank which shal be glass lined to protect against acidic flue gas condensate 3 Have foam insulation and an ASME rated temperature and pressure relief valve 4 Have a down fired power burner designed for precise mixing of air and gas for optimum efficiency requiring no special calibration on start up 5 Be approvedfor 0 clearance to combustibles Heater shall be supplied with maintenance free powered anode The control shall be an integrated solid state temperature and ignition control device with integral diagnostics graphic userinterface fault history display and shall have digital temperature readout The water heater s shall 1 Be design certified by UL Underwriters Laboratories according to ANSZ21 10 standards governingstorage type water heaters 2 Meet ASHRAE IESNA 90 1 1999 3 Be design certified by Underwriters Laboratories for 180 F 62 C water 4 Meet SCAQMD Rule 1146 2 br low NOx emissions For conventional vent specification The BTH 120 250 water heater s shall be suitable for venting in 3 PVC pipe for a total equivalent distance of 50 ft and 4 PVC pipe for a total equivalent distance of 120 ft The BTH 300 500 water heater s shall be suitable f2. A O Smith Commercial Gas Water Heaters BIH 120 i Mi UP TO 36 THERMAL EFFICIENGY DIREGT VENT 7 The A O Smith Cyclone Xi family of products represents the industry s most technologically advanced commercial water heaters The innovative Cyclone Xi design takes performance to its highest level with efficiencies of 9596 and 9696 Models are available from 120 000 BTUs and now up to 500 000 BTUs In addition the Cyclone Xi features an Intelligent Control System making it the smartest water heater in the industry Cyclone Xi provides outstanding hot water output with dramatic savings on operating costs compared to units with standard 8096 efficiency A O Smith s leading edge engineering delivers conventional power vent or sealed combustion power direct vent versatility low NOx emissions and excellent space saving characteristics Powered anodes standard on all Cyclone Xi models provide superior tank protection for years of trouble free operation a TEM INTELLIGENT CONTROL SYSTEM WITH LCD DISPLAY e Exclusive A O Smith designed control e Provides detailed water heater status information e Precise temperature control e Built in diagnostics e Run histrory information SUBMERGED COMBUSTION CHAMBER WITH HELICAL HEAT EXCHANGER COIL Positioned in center of tank surrounded by water to virtually eliminate radiant heat loss from chamber e Spiral heat exchanger keeps hot burner gases swirling uses centrifugal f
3. c sec aac soc sec sre ere 2o 607 a zo wmm 120000 Jj SOUS cal Gra aor se ze o wr vs wa ve ve ve o 9 fe sms T 350999 T i fa snap NATURAL 199995 oro 100US Gals GPH PROPANE _ 68 moan NATURAL 250 000 T00US Gas PH seo 720 sre 480 i 360 ao 288 262 220 221 206 PROPANE za 99 smumes IPH 3682 no LN M2 A Co I Cae 80 assumes LPH 4406 3304 H 1852 1164 s aang Natuna sos GP PROPANE sso NATURAL 49999 sro 1800 5 Gas GPH 1018 1490 115 PROPANE 6 LPH 7268 5447 4368 365 Recovery capacities are based on heater performance at 9596 and 96 thermal efficiency c1 C1 I O Co co co i Add A to model number when ordering ASME Optional on 120 250 models Standard on 300 500 models Maximum gas supply pressure for 120 250 10 5 w c natural gas 14 w c propane Maximum gas supply pressure for 300 500 10 w c natural gas 13 w c propane Manifold pressure 4 w c natural gas 10 w c propane Electrical requirements 120 VAC Blower 2 2 Amps FL Igniter 4 0 Amps SUGGESTED SPECIFICATION Natural or Propane gas water heater s shall be A O Smith Cyclone Xi model or equal with up to 96 thermal efficiency a storage capacity of gallons an input rating of BTUs per hour a recovery rating of gallons per hour gph at 100 F riseand a maximum hydrostatic
4. e Reduced footprint ease of service protection from water damage in case of flooding e Easy to remove top cover for convenient access to serviceable parts e 07 installation clearances on sides and rear 27 installation clearance on top 4 alcove installation clearance in front of unit e 0 clearance to combustibles approved for combustible floors FACTORY INSTALLED TEMPERATURE AND PRESSURE RELIEF VALVE MAXIMUM HYDROSTATIC WORKING PRESSURE 160 PSI HANDHOLE CLEANOUT e Allows easy access to tank interior for cleaning CODES AND STANDARDS eDesign certified by UL Underwriters Laboratories International according to ANSZ21 10 3 CSA4 3 standards governing storage type water heaters e Meets ASHRAE IESNA 90 1 1999 Design certified by Underwriters Laboratories to NSF standard 5 for 180 F 62 C water e Meets SCAQMD Rule 1146 2 for low NOx emissions e ASME tank construction optional on 120 to 250 model sizes ASME tank construction standard on 300 400 and 500 models THREE YEAR LIMITED TANK WARRANTY e For complete warranty details consult written warranty shipped with heater or contact A O Smith INSTALLATION CONSIDERATIONS 1 Condensate Drain This is a fully condensing water heater and should be located near a drain to permit proper disposal of condensate 2 Vent Termination Exhaust gases of this water heater are less than 140 F In cold climates water vapor in flue gases will condense into a cloud of vapor where the vent exits the building T
5. ghtly wall roof penetrations BTH 120 300 vent kit p n 9003910105 BTH 400 500 vent kit p n 9006144005 Page 2 of 4 ACGSS02407 Commercial Gas Water Heaters BTH 120 250 6 re re y A o 150 GAS VALVE 7 OPENING r GAS INLET AS 7 nea WP m o PN S er me AM 9 95 7 G 3 4 NPT DRAIN CLEANOUT WATER INLET 1 1 2 NPT INSTALLATION CLEARANCES 1 2 NPT 3 4 NPT 3 4 NPT 3 4 NPT BTH 250 BTH 300 BTH 400 BTH 500 To Combustibles EM Approved for combustible floors 1 1 4 NPT 1 1 4 NPT 1 1 2 NPT DIMENSIONS AND SHIPPING WEIGHTS WATER OUTLET 1 1 2 NPT 4 86 12 34cm MAXIMUM EQUIVALENT VENT LENGTH BTH using 3 pipe 50 ft BTH 120 250 120 250 using 4 pipe 120 ft using 3 pipe not applicable using 4 pipe 70 ft BTH 300 500 BTH 300 500 SHIP WEIGHT ASME SHIP WEIGHT STD e LBS KG Water connections 1 1 2 Page 3 of 4 ACGSS02407 0 5 Commercial Gas Water Heaters l T i Mi UP TO 36 THERMAL EFFICIENGY DIREGT VENT RECOVERY CAPACITY U S Gallons Hr and Litres Hr at TEMPERATURE RISE INDICATED re one eroe NPr Tmema approx _P 30F OF sor oF OF OF OOF 007 oe 2r 30 MOP GAS KW Eticieny Capacity c 220 280 s
6. his vapor can gradually discolor exterior building surfaces Vent termination should be located where this vapor cloud and potential discoloration are not a concern Locating vent termination 6 or more from the wall helps vapor from being trapped along a building s face To avoid this problem the vent can be terminated on the roof Always locate vent termination above the maximum snowline and do not locate vent termination above a walkway 3 Air Intake In cold climates air intake should be located at least three feet from the vent termination of the water heater and any other appliance vents that discharge moisture laden air such as clothes dryers This will help prevent freeze over of the intake screen required to prevent foreign objects from entering the intake pipe Air intake should be located above the maximum snowline 4 Blockage Sensors The water heater is equipped with sensors to shut it down if blockage of vent or air intake occurs A light on the heater s diagnostic panel will alert service technicians to this problem 5 Noise Vent terminal should be located away from bedroom windows or other areas where blower noise will be objectionable Avoid venting into corners or confined areas which will amplify sound Anchoring intake or vent pipe to walls or ceilings can cause noise to be transmitted to living areas and isolation mounts should be used where anchoring is required 6 Optional Concentric Vent Kit Helps to minimize unsi
7. or venting only in 4 PVC pipe for a total equivalent distance of 70 ft For sealed combustion direct vent specification The BTH 120 250 water heater s shall be suitable for venting with 3 or 4 diameter PVC pipe for a total equivalent distance of 50 ft or 120 ft feet Alternative venting the heater s shall be suitable for sealed combustion direct venting using a 3 or 4 diameter PVC exhaust pipe for a total distance of 50 ft or 120 ft equivalent feet of vent and 50 ft or 120ft equivalent feet of intake The BTH 300 500 water heater s shall be suitable for sealed combustion direct vent using only 4 diameter PVC pipe and 4 dameter PVC exhaust pipe for a total equivalent distance of 70 ft Operation of the water heater s in a closed system where thermal expansion has not been compensated for with a properly sizedthermal expansion tank will void the warranty For Technical Information and Automated Fax Service call 800 527 1953 A 0 Smith reserves the right to make product changes or improvements without prior notice Page 4 of 4 ACGSS02407 December 2007R Printed in U S A
8. orce to maximize efficiency of heat transfer to water in tank e Spiral heat exchanger prevents scale and sediment from forming on water side surface which can reduce energy efficiency over time POWERED ANODES STANDARD ON ALL MODELS e Provides long lasting tank protection in varying water conditions CI e Does not require maintenance or inspection SCAQMD Approved Rule 1146 2 Low NOx for PERMAGLAS ULTRA COAT GLASS LINING A EE e Exclusive process provides superior protection against corrosion e Both sides of heat exchanger coil are lined for protection against flue gas condensate inside coil BTH 120 250 MECHANICAL VENTING VERSATILITY e Conventional power venting or sealed combustion direct venting e Vents vertically or through sidewall e Direct vent intake and exhaust pipe can terminate separately outside building or through single opening using concentric vent assembly Uses inexpensive PVC CPVC or ABS pipe for intake and exhaust ASME OPTIONAL Gis ALK EPH 2 iud BTH 300 500 LSS weezy fees V E Uu dm HIGH EFFICIENCY PRE MIX POWERED BURNER gt Down fired pre mix burner provides optimum efficiency and quiet operation e Top mounted burner position prevents condensation from affecting burner operation Page 1 of 4 ACGSS02407 December 2007R T i Mi UP TO 96 THERMAL EFFICIENGY DIRECT VENT OTHER CYCLONE Xi FEATURES SPACE SAVING DESIGN FOR INSTALLATION FLEXIBILITY
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