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Summary of Contents for Bryant BS1
- Page 1 Gas and Oil-Fired Water and Gas Fired Steam Boilers MODEL BW1, BW2 Series B MODEL BW4B, BW5B Series B MODEL BS1, BS2 Series B MODEL BW3 Series B MODEL BW9 Series A Form No. PDS BS1A.75.3...
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Page 2: Model Number Nomenclature
Zoning Valve 1 in. Gas Conversion Kit Natural to Propane (After 1799V) Gas Conversion Kit Propane to Natural NOTE: There was never a Natural to Propane conversion kit for BW/BS boiler prior to 1799V. DESCRIPTION Filtrol Package (Up to 75,000 Btuh Input) - Page 3 Gas Conversion Kit Propane to Natural (BW9-075) Gas Conversion Kit Propane to Natural (BW9-100) * 2–6 Section Models on BS1, BS2, BW1, and BW2; 2–5 Section Models on BW3. † 7–9 Section Models on BS1, BS2, BW1, and BW2; 6–7 Section Models on BW3.
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Page 4: Electrical Data
ALL MODELS Voltage—Hertz—Phase Minimum Branch Circuit Wire Size (AWG) Maximum Fuse Size (Amps) Control Circuit Power Available STANDARD BOILER WARRANTIES (Yrs) MODEL Circulator Pump Vent Damper Heat Exchanger Section Assembly (Non-prorated) Oil Burner CIRCULATOR CURVE WATER FLOW M WATER FLOW GPM... -
Page 5: Specifications
PACKAGED —Each assembled, including all controls (except room thermostat). All necessary wiring is factory installed. The boiler is ready for gas piping, room thermostat, and electrical power connections as shipped. Circulator is shipped pre-wired with 6 ft bx conduit for easy installation for supply side pumping. -
Page 6: Ratings And Capacities
SUPPLY & RETURN OPENINGS (1-1/4" NPT (31.75mm) CONNECTIONS PROVIDED INSIDE BOILER CABINET) UNIT LEFT SIDE RIGHT SIDE BASE FRONT BACK INTAKE/VENT PIPING NEAR BOILER HOT WATER PIPING * Service clearance requirement 24-in. MAX INPUT UNIT TYPE (BTUH) BW9AAN050 Natural 50,000 BW9AAN075... - Page 7 They can be installed on a combustible floor when an optional combustible floor base is used. The model BS1 and BS2 design is CSA and A.G.A. certified for use with natural and is convertible to propane gas with accessory kit.
- Page 8 * Ratings are for altitudes to 2000 ft. Ratings for units for altitudes over 2000 ft are 4% less for each 1000 ft above sea level. Ratings in sq ft are computed at 240 Btuh/sq ft for steam boilers. DIMENSIONS MODELS BS1 and BS2 PRESSURE GAGE...
- Page 9 THERMAL-PIN, CAST-IRON SECTIONS —These sections speed heat transfer from the flue gases to the boiler water with faster thermostat response, providing greater comfort and economy. Maximum heat is produced at a lower level on the thermal-pin sections, leading to peak efficiency.
- Page 10 ASME DAMPER RELIEF VALVE ″ ⁄ LEFT SIDE DIMENSIONS (In UNIT SIZE 11-1/4 14-1/2 17-3/4 24-1/4 27-1/2 30-3/4 NUMBER BW1, BW2 TYPE SECTIONS AAN037 Natural AAN070 Natural AAN105 Natural AAN140 Natural AAN175 Natural AAN210 Natural AAN245 Natural AAN280 Natural * Ratings are for altitudes to 2000 ft. Unit ratings for altitudes over 2000 ft are 4% less for each 1000 ft above sea level. DIMENSIONS BW1 and BW2 MODELS VENT...
- Page 11 THERMAL-PIN CAST-IRON SECTIONS —These sections speed heat transfer from the flue gases to the boiler water, with faster ther- mostat response, providing greater comfort and economy. TITANIUM COMPOSITE BURNERS —Provide quiet operation, corrosion resistance, and improved combustion efficiency.
- Page 12 * Gas input ratings are for elevations up to 2000 ft. For elevations above 2000 ft, reduce input 4% for each 1000 ft above sea level. † Selection factors providing for piping loss and starting load are those recommended by the Institute of Boiler and Radiator Manufacturers. Net water boiler ratings are based on an allowance of 1.15.
- Page 13 FACTORY INSTALLED FEATURES —A factory-installed drain is provided should the boiler ever need to be drained. Oil primary control prevents boiler in operation in the event of flame loss. SECTIONS TESTED —Each section is hydrostatically tested to 50 psig.
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Page 14: Ratings And Performance
GAGE 36 ″ FRONT DIMENSIONS (In UNIT SIZE 17-3/4 24-1/4 BOILER MODEL NO. NO. SEC. WITH TANKLESS WITHOUT TANKLESS COIL COIL BW5BAH091 BW4BAH091 BW5BAH105 BW4BAH105 BW5BAH140 BW4BAH140 BW5BAH126 BW4BAH126 BW5BAH175 BW4BAH175 BW5BAH210 BW4BAH210 BW5BAH168 BW4BAH168 BW5BAH245 BW4BAH245 BW5BAH280 BW4BAH280 * MBH = 1,000 BTU per hour / BTU = British Thermal Unit. - Page 15 —15—...
- Page 16 SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE UNIT MUST BE INSTALLED IN ACCORDANCE WITH INSTALLATION INSTRUCTIONS Cancels: PDS BSIA.75.2 © 2001 Bryant Heating & Cooling Systems, 7310 W. Morris St., Indpls., IN 46231 PRINTED IN U.S.A Catalog No. 12BS-1A1 3-01...
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