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Bryant BW9 manual

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Table of contents for the manual

  • Page 1

    Form No. PDS BS1A.75.3 Gas and Oil-Fired Water and Gas Fired Steam Boilers BS BW MODEL BW4B, BW5B Series B MODEL BW1, BW2 Series B MODEL BW9 Series A MODEL BW3 Series B MODEL BS1, BS2 Series B[...]

  • Page 2

    —2— BOILER ACCESSORIES BW1/BW2 DESCRIPTION PART NO. Filtrol Package (Up to 75,000 Btuh Input) KBAFP0101DNK Filtrol Package (Up to 150,000 Btuh Input) KBAFP0201DNK Filtrol Package (Over 150,000 Btuh Input) KBAFP0301DNK High Limit Control KBAHL0101DNK Combustible Floor Base (2 thru 6 section models) KBASB0301DNK Combustible Floor Base (7 thru 9 s[...]

  • Page 3

    —3— * 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. Note: Accessory High Limit Control is a strap-on aquastat used as an auxiliary limit or reverse acting circulator control. Combustible Floor Base (6 thru 7 section models) KBASB0401D[...]

  • Page 4

    —4— CIRCULATOR CURVE ELECTRICAL DATA STANDARD BOILER WARRANTIES (Yrs) ALL MODELS Voltage—Hertz—Phase 115 — 60 — 1 Minimum Branch Circuit Wire Size (AWG) 14 Maximum Fuse Size (Amps) 15 Control Circuit Power Available 40va–@ 24v MODEL BW1 BW2 BW3 BW4 BW5 BW9 BS1 BS2 Circulator Pump 3 3 3 3 3 3 — — Vent Damper 5 5 — — — — 5 5[...]

  • Page 5

    — 5 — The BW9, unlike normal residential atmospheric and induced draft boilers, takes its combustion air directly from the outdoors (sealed combustion) and does not compete with building occupants for fresh air. Sealed combustion (also known as “ direct vent ” ) is the safest and best way to obtain plenty of clean combustion air. The induce[...]

  • Page 6

    — 6 — DIMENSIONS MODEL BW9 AL TERNA TE SUPPL Y & RETURN OPENINGS (1-1/4" NPT (31.75mm) CONNECTIONS PRO VIDED INSIDE BOILER CABINET) ACCESS P ANEL AL TERNA TE OPENING FOR GAS SUPPL Y BOILER W A TER TEMPERA TURE & PRESSURE GA UGE FRONT P ANEL DOOR PULL LEVELING FEET CONDENSA TE DRAIN FITTING (1/2" PVC) (12.7mm) OPENING FOR RELIE[...]

  • Page 7

    — 7 — SPECIFICATIONS * Factory authorized and listed, field installed. UNIT SIZE 075 112 150 187 225 262 299 GENERAL DATA Sections — Fine Grain Cast Iron No. 3456789 Burners — Stainless/Titanium Alloy No. 2345678 Burners — Orifice Drill Size Natural 34 34 34 34 34 34 34 GAS CONTROLS — STANDING PILOT (BS1) Gas Valve Honeywell Inlet Size [...]

  • Page 8

    — 8 — RATINGS AND CAPACITIES * * 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. UNIT GAS TYPE NUMBER OF SECTIONS MAX INPUT (BTUH) HEATING CAPACITY (BTUH) NET RATING AFUE % (WITH DAMPER) APPROX SHIP[...]

  • Page 9

    — 9 — Models BW1 and BW2 Gas-Fired Hot Water Boilers provide fast heat quietly and economically to assure the finest in hydronic heating. These boilers provide quality design in a small, compact unit easily installed in a basement, garage, or utility room. They can be installed on a combustible floor when an optional combustible floor base is u[...]

  • Page 10

    — 10 — DIMENSIONS BW1 and BW2 MODELS 23 1 ⁄ 4 ″ 31 3 ⁄ 8 ″ 5 3 ⁄ 8 ″ 4 3 ⁄ 4 ″ 1 1 ⁄ 4 ″ SUPPL Y 26 1 ⁄ 2 ″ 12 1 ⁄ 4 ″ A 8 ″ TEMPERA TURE/ PRESSURE GAGE SPILL SWITCH DRAIN V AL VE INT. PILOT CONTROL ROLLOUT SWITCH GAS VA LV E 1 1 ⁄ 4 ″ RETURN 1 1 ⁄ 4 ″ NPT AQUAST A T VENT DAMPER ASME RELIEF VA LV E LEFT SID[...]

  • Page 11

    — 11 — SPECIFICATIONS UNIT SIZE 042 075 112 150 187 225 Sections — Fine Grain Cast-Iron N o . 234567 GAS CONTROLS — INTERMITTENT PILOT Gas Valve Honeywell Inlet Size In. 1/2 FPT Pilot Assembly Honeywell Spark Generator Honeywell Burners — Stainless/Titanium Alloy No. 123456 Burner Orifice — Drill Size Natural 32 34 34 34 34 34 CONTROLS [...]

  • Page 12

    — 12 — DIMENSIONS BW3 MODELS 29 ″ 23 ″ 25 1 ⁄ 4 ″ 23 1 ⁄ 4 ″ 5 5 ⁄ 8 ″ 5 5 ⁄ 8 ″ 1 3 ⁄ 4 ″ 7 ″ A GAS VA LV E INT. PILOT CONTROL PRESSURE SWITCH BLOWER VENT CONNECTOR COMBINATION LIMIT & RELAY CONTROL 1 1 ⁄ 4 ″ SUPPLY RELIEF VA LV E BURNER TEMP PRESSURE GAGE 1 1 ⁄ 4 ″ RETURN CIRCULA TOR LEFT SIDE RIGHT SIDE [...]

  • Page 13

    — 13 — The modern design and attractive appearance of the models BW4 and BW5 Oil-Fired Water Boilers make them ideal for installation in any area. The boilers are shipped fully assembled and wired, including all controls (except barometric draft regulator). The compact 22-gage steel cabinet has a baked-on enamel paint finish for durability. A 1[...]

  • Page 14

    — 14 — DIMENSIONS MODELS BW4 and BW5 A 19 5 ⁄ 8 ″ GAGE 36 ″ 1 1 ⁄ 4 ″ RETURN 1 1 ⁄ 4 ″ SUPPLY CONTROL TANKLESS HEATER 1 ⁄ 2 ″ N.P.T. 9 ″ C B 3 ⁄ 4 ″ ASME RELIEF VALVE FRONT SIDE REAR DIMENSIONS (In .) UNIT SIZE A B C 140 17-3/4 6 9-3/4 210 21 6 11-3/8 280 24-1/4 6 13 CLEARANCES (In. ) * Clearance 18 in. for BW5. † Serv[...]

  • 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[...]