Bryant BW4B, BW9, BW5B, BS1, BW2 User Manual

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Gas and Oil-Fired Water and Gas Fired Steam Boilers

MODEL BW1, BW2

Series B

BS BW

MODEL BW3

Series B

MODEL BW4B, BW5B

Series B

MODEL BS1, BS2

Series B

MODEL BW9

Series A

Form No. PDS BS1A.75.3

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B — Boiler

Type of System

W — Water S i— Steam

MODEL NUMBER NOMENCLATURE

BW9AAN000075AAAA

B W 9 A A N 000 075 A A AA

Variations

AA — Standard

Series

A i— Original

Combustion/Ignition

1 — Natural Draft/Standing Pilot 2 — Natural Draft/Electronic 3 — Induced Draft/Electronic 4 — Oil Burner/Without Tankless Coil 5 — Oil Burner/With Tankless Coil 9 — 90% Direct Vent/Sealed

Combustion

Model Code

Electrical

A 110 to 125 60 Hz

Fuel

H — Heating Oil N — Natural Gas P — Propane

Heating Size

Btu Input (x 1000)

Cooling

Labeling

A — Common Unit G — Canada Only (oil)

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 section models) KBASB0401DNK

Zoning Valve 3/4 in. KBAZV0101DNK

Zoning Valve 1 in. KBAZV0201DNK

Gas Conversion Kit Natural to Propane (After 1799V) KBANP0201DNK

Gas Conversion Kit Propane to Natural KBAPN0201DNK

NOTE: There was never a Natural to Propane conversion kit for BW/BS boiler prior to 1799V.

BW3

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 (6 thru 7 section models) KBASB0401DNK

Zoning Valve 3/4 in. KBAZV0101DNK

Zoning Valve 1 in. KBAZV0201DNK

Gas Conversion Kit Natural to Propane (After 1799V) KBANP0201DNK

Gas Conversion Kit Propane to Natural KBAPN0201DNK

NOTE: There was never a Natural to Propane conversion kit for BW/BS boiler prior to 1799V.

BS1/BS2

DESCRIPTION PART NO.

Combustible Floor Base (2 thru 6 section models) KBASB0301DNK

See notes on page 3.

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BOILER ACCESSORIES (CONT.)

Combustible Floor Base (6 thru 7 section models) KBASB0401DNK

Gas Conversion Kit Natural to Propane (3 section, BS1/2-075) KBANP0301DNK

Gas Conversion Kit Natural to Propane (4 section, BS1/2-112) KBANP0401DNK

Gas Conversion Kit Natural to Propane (5 section, BS1/2-150) KBANP0501DNK

Gas Conversion Kit Natural to Propane (6 section, BS1/2-187) KBANP0601DNK

Gas Conversion Kit Natural to Propane (7 section, BS1/2-225) KBANP0701DNK

Gas Conversion Kit Natural to Propane (8 section, BS1/2-262) KBANP0801DNK

Gas Conversion Kit Natural to Propane (9 section, BS1/2-299) KBANP0901DNK

NOTE: There was never a Natural to Propane conversion kit for BW/BS boilers prior to 1799V.

BW4/BW5

DESCRIPTION PART NO.

Filtrol Package (Includes Air Purge Extrol Tank and Fill Valve) KBAFP0201DNK

KBAFP0301DNK

Zone Valve - 3/4 in. KBAZV0101DNK

Zone Valve - 1 in. KBAZV0201DNK

High-Limit Control - Manual Reset* KBAHL0101DNK

Tankless Water Heater Kit KBATH0101IDNK

Combustible Floor Base KBASB0301DNK

Low Fire Rate Kit - 3 Section BW4/BW5 KBALF0101DNK

Low Fire Rate Kit - 4 Section BW4/BW5 KBALF0201DNK

BW9

DESCRIPTION PART NO.

Concentric Vent Termination Kit (Single Pipe) - 2 in. KGAVT0501CVT

Concentric Vent Termination Kit (Single Pipe) - 3 in. KGAVT0601CVT

Filtrol Package (Up to 75,000 Btuh Input) KBAFP0101DNK

Filtrol Package (Up to 150,000 Btuh Input) KBAFP0201DNK

Zoning Valve 3/4 in. KBAZV0101DNK

Zoning Valve 1 in. KBAZV0201DNK

Gas Conversion Kit Natural to Propane (BW9-050) KBANP1101DNK

Gas Conversion Kit Natural to Propane (BW9-075) KBANP1201DNK

Gas Conversion Kit Natural to Propane (BW9-100) KBANP1301DNK

Gas Conversion Kit Propane to Natural (BW9-050) KBAPN1101DNK

Gas Conversion Kit Propane to Natural (BW9-075) KBAPN1201DNK

Gas Conversion Kit Propane to Natural (BW9-100) KBAPN1301DNK

* 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.

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CIRCULATOR CURVE

WATER FLOW M3/H

23 45

TOTAL HEAD FEET

8 12162024

WATER FLOW GPM

TOTAL HEAD METERS

WATER BOILER CIRCULATOR CURVE

ELECTRICAL DATA

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

STANDARD BOILER WARRANTIES (Yrs)

MODEL BW1 BW2 BW3 BW4 BW5 BW9 BS1 BS2

Circulator Pump 3 3 3 3 3 3 — —

Vent Damper 5 5 — — — — 5 5

Heat Exchanger Section Assembly (Non-prorated) 20 20 20 20 20 15 12 12

Oil Burner — — — 3 3 — — —

ama

ASME

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CERTIFIED

MODELS BW9

The BW9 is a gas fired direct vent condensing hot water boiler with cast aluminum heat exchanger sections. A revolutionary cast aluminum heat exchanger means better heat transfer and thermal storage than similarly sized cast iron boiler, which results in higher efficiency. The heating system water absorbs large amounts of heat from the cast aluminum heat exchanger, cooling the flue gases and causing condensation. Sealed combustion, premix gas burner, and low flame temperature means drastically reduced CO and NOx emissions, which contribute to a cleaner and healthier environment.

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 induced draft fan draws in the outside combustion air, then takes the cooler flue gases from the heat exchanger and provides a positive removal of the flue gases from the building through inexpensive and readily available PVC and CPVC pipes.

FEATURES

RANGE OF CAPACITIES —Three sizes ranging from 50,000

through 100,000 Btuh input. COMPLETELY PACKAGED —Each boiler is completely

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.

VENTING —This boiler is direct vented with PVC and CPVC pipe. See the Installation Instructions for common venting requirements.

ALUMINUM SECTIONS —These sections speed heat transfer to the boiler water. With faster thermal response, greater comfort and economy are achieved.

PRE-MIX BURNER —Provides quiet operation and improved combustion efficiency.

CONTROLS —Integrated Boiler Control provides safe, dependable operation of burners. Factory-installed safety components provide maximum safety against overheating, pressure buildup, and low-water operation.

SECTIONS TESTED —Each section is hydrostatically tested to 50 psig. Individual sections are tested to 125 psig at factory. Assembled sections are tested to 75 psig at the factory. The maximum allowable pressure is 50 psig for hot water boilers.

PROPANE CONVERTIBLE —With factory approved conversion kit accessory.

WARRANTY —The aluminum sections are covered by a limited 15-year warranty on the entire assembly. Circulator pump is covered by a limited 3-year warranty. All other parts are covered by a 1-year limited warranty.

SPECIFICATIONS

UNIT SIZE 050 075 100

Sections 1

GAS CONTROLS

Gas Valve Honeywell

Inlet Size In. 1/2

Ignition Hot Surface Ignition

Burner—Stainless/Titanium Alloy 1

Burner Orifice No. 0.0615

CONTROLS

Limit Control Range °F 100-200

Pressure Relief Valve Setting Psig 30

Integrated Boiler Control UTEC factory installed

CIRCULATOR

Taco Model 007

Full Load Amps 2.0 AMPS/330 WATTS

Flange Size FPT In. 1-1/4

#48 #44

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