A.O. Smith LB-500 Specification Sheet
Contents
1. A O Smith AOSMITH BURKAY COMMERCIAL BOILER MODEL LB 500 750 and 1000 Submittal Sheet Job name Address Architect Engineer Contractor Distributor A O Smith Representative MEETS OR EXCEEDS ASHRAE IES 90 1B 1992 Model of Units Input Natural Gas LJ tp Q Total Btuh Input APPROVED alandary Equipment Standard Controls Inconel 625 stainless super Main amp redundant gas valves Low air pressure switch alloy burner Auto reset high limit Mounted flow switch Bronze headers Manual reset high limit Adjustable high limit ASME pressure relief valve 30 Hot surface electronic ignition On Off switch LED inlet amp outlet thermometers system 24 volt control system 160 psi ASME working pressure Low gas pressure switch FM Approved Gas Train Authorized factory start up Dia Scan solid state diagnostic 10 year heat exchanger warranty module Optional Equipment IRI Gas Train O NY Code O Vent System O CSD 1 Code CI California Code CI Sequencing Panel CI Low Water Cutoff O Illinois School Code CO NOTE All venting for direct sealed vent systems must be provided by A O Smith or an approved supplier Contact your A O Smith representative for information R NPT NATURAL GAS INLET TEL He WATER Sele oe Par 2 WATER 4 Qa ott i u 4 AA bee LP GAS INLET Tix 6 BLOWER NPT LP GAS INLET H INLET I2. NLET BACK VIEW BACK VIEW A ITON BOX TN JUNCTION BOX J H CONNECTION J lt CONNECTION EXHAUST aos CONDENSATE CONDENSATE Minimum clearances to combustibles DRAIN TUBE 8 I D 5 8 O D DRAIN TUBE 3 8 1 D 5 8 O D 4 rear O top amp sides 6 vent MODEL MODEL LB 500 750 LB 1000 All Dimensions In Inches 1 1 425 6 3 8 7 ad 12 va 5 5 1 4 11 1 2 11 3 4 6 1 2 3 4 15 1 2 3 1 2 8 1 818 vial 112 24 12 1 2 6 3 4 4 1 8 13 3 8 2 1 4 1 1 4 11 7 8 7 5 81 1 vial 934 Gas supply pressure 13 8 w c maximum natural and propane 7 w c minimum natural 11 0 w c minimum propane RATINGS BTUH BTUH Flow Rate 20 Temperature Rise Input Output GPM PD Ft Hd LB 500 Natural 44 LP i LB 750 Natural 10 0 LP i LB 1000 Natural 1 000 000 900 000 88 LP 860 000 774 000 A O Smith A O Smith Water Products Co Inc On Line www aosmithwaterheaters com Water Products Company a Dmi Ashland City TN i A Division of A O Smith Corporation For leconlea iniormation ang W A O Smith Corporation reserves the right to Automated Fax Service ater Heaters i ke dict i l i t Phone 800 527 1953 make product changes or improvements a any time without notice ACG MI002 0405N A O Smith Corp 2005 Printed in U S A
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