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Internet Version for Reference Only
Installation and Operation Instructions Document 2144
Installation and Operation
Instructions for
Copper Brute
Volume Water Heaters
Model B4
Sizes 500-1825
These instructions are to be stored in the pocket provided on the heater.
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
qualified in hot water heater installation and maintena
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 2 Page 3 TABLE OF CONTENTS SECTION 1. SECTION 3. General Information Operation 1.1 Introduction....................................................3 3.1 Controls - General .......................................14 1.2 Heater Identification.......................................3 3.1.1 Electronic Ignition Control............................14 1.3 Flow Requirements.................................
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 2 Page 3 1.2 Heater Identification SECTION 1. Consult rating plate on the heater. The following General Information example simplifies the heater identification. 1.1 Introduction 1 2 3 4 5 6 This manual provides information for the B4 1670 I N 09 C installation and operation of Bradford White volume water heaters. It is stron
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 4 Page 5 models can be installed on a combustible floor with 1.4 Water Chemistry a special base assembly which is available from the Bradford White equipment is designed for use in factory, or with a base that complies with local code a wide variety of water conditions. The water velocity requirements. See rating plate for part number of the maintained in the heat exchanger tubes is kept high base assembly. en
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 4 Page 5 Clearance Indoor Outdoor From (inches) (inches) Top 30 Unobstructed Unit Water Conn. Side 12 24 (Front View) Opposite Side 6 24 20 GA Base Front Alcove Unobstructed Galvanized Rail Shee
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 6 Page 7 ducts, each opening shall have a minimum free IMPORTANT: In beauty shops, barber shops, area of 1 square inch per 4000 Btu/hr (5.5 square cleaning establishments and self-service laundries with cm/kW) of total input rating of all equipment dry cleaning equipment, it is important that the water in the enclosure. When communicating to the heater be installed in a location where combustion and outdoors thro
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 6 Page 7 3. Avoid using long horizontal runs of the vent pipe, and too many 90° elbows, reductions or restrictions. Horizontal runs should have at least a 1/4" rise per foot in the direction of flow. A vent connector should be supported for the design and weight of the material used to maintain Window clearances and prevent physical damage and Or Grill separation of joints. 4. Avoid ending heater vents
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 8 Page 9 8. Before operating the heater, the complete gas supply system and all connections must be tested Gas Supply Inlet for leaks using a soap solution. Do not use raw To Equipment flame. Inlet Tee Fitting Caution Since some leak test solutions (including soap Nipple 3" Min. and water) may cause corrosion or stress cracking, the piping must be rinsed with water Cap after testing, unless it has been dete
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 8 Page 9 Tempered Water Pressure Hot Relief Water Valve 24" Hot Cold Water Water Automatic Storage Floor Tempering Tank Valve Figure 10. Tempering Valve Installation. 2.7 Water Expansion When cold water is heated the water expands. If no water is being used during the heat-up period the expanded water will normally back up into the city mains. A water pressure reducing valve installed in the incoming cold water l
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 10 Page 11 If the heater-to-tank circulating loop contains Flow Head* Temp. Rise more than 6 elbows or 30 feet of pipe, use Water Rate Loss Across pipe or fittings in the loop no smaller than the Model Category (GPM) (ft.) Heater, (°F) following: Soft 45
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RECIRC. SUPPLY CWMU Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 10 Page 11 demand for hot water. It is recommended for general 2.11 Two-Temperature System purpose water supply including shower and bathing See Figures 13 and 14 for piping schematics. applications. Water at 180°F is available directly from This system is designed to maintain the tempered the tank. water circulating loop at the desired temperature during idle periods as well as when there i
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 12 Page 13 5 1 4 3 2 2 Figure 12. Hot Water Supply System with Dual Tanks, Building Loop Return and Circulating Pump. 140°F Water 180°F Water Return From Return From Bldg. Bldg. H C H C J 180°F Water J Pump To Bldg. Conventional Tank 140°F Water To Bldg. To D Drain C Cold Water K To Drain Pump Legend B - Check Valve To Drain C - Check Valve D - Tempering Valve B H - Throttling Valves in Building Loop Returns J - Ci
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 12 Page 13 140° Water Return With From Bldg. Horizontal 140° H 180° Water 180° Water Return Water Tank To Bldg. From Bldg. To Bldg. H C J C Pump Conventional Tank 24" Min. Legend B - Check Valve in Hot Water Supply to Tempering Valve B C - Check Valve in Return Line from D Building Loop To Drain To D - Tempering Valve Drain E - Venturi (Suction) Tee H - Throttling Valves in Building Loop K Returns I - Circulating
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 14 Page 15 3.1.3 High Limit Controls: SECTION 3. The manual reset high limit switches are Operation provided as standard equipment on all heaters. Automatic reset switches are optionally provided. 3.1 Controls - General The temperature sensing bulb of the switch is See Figure 15 for control locations. always located in the heater outlet. Burners will automatically shut down whenever overheating
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ON ON Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 14 Page 15 2. Make sure the heater’s power switch is in the ON POSITION “ON” position. After placing the manual pilot gas valve in the open position and resetting all Pilot Valve ON safety devices, (high limit, pressure switch, low- water cutoff, etc.) pilot(s) can be lit following the OFF procedure located on the heater rating plate. ON 3. Once the pilot(s) is lit and has been established for fiv
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 16 Page 17 Figure 18. Main Burner Flame Pattern. 5. Keep heater area clear and free from combustible material, gasoline and other flammable Pilot Reset vapors and liquids (see Table 1 for minimum Switch clearances). Figure 17. Pilot Safety Relay. 6. Be certain all combustion air and ventilation openings are unobstructed. When a tank aquastat is not used: The pump on the heater must run continuously, 7.
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 16 Page 17 c. Tube cleaning kit consisting of reamer, stainless steel brush, speed handle and Caution handle extensions. Black carbon or green soot on a dirty heat d. Heater thermometer (with 1/2" NPT well) exchanger can, under certain conditions, be 100-240°F. ignited by a random spark or open flame. To 2. In addition, the heater should be equipped with prevent this unlikely occur
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 18 Page 19 II. HEATER IS POUNDING, KNOCKING OR EMIT- IV. PRESSURE RELIEF VALVES LEAKING INTER- TING STEAM FROM RELIEF VALVES. MITTENTLY OR STEADILY. Possible Cause What To Do Possible Cause What To Do A. Low or no water flow. A. This condition is usually A.Static pressure in system A. Calculate height of wat
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Internet Version for Reference Only BRADFORD WHITE B4 Volume Water Heater Page 18 Page 19 This page intentionally left blank.
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Internet Version for Reference Only BRADFORD WHITE Page 20 ® Ambler, PA 19002 Tech. Service (800) 334-3393 ® Service Parts (800) 538-2020 B R A D F O R D W H I T E www.Bradford White.com Warranty Service (800) 531-2111 C O R P O R A T I O N Litho in U.S.A. © Bradford White 0602 Document 2144 H2317100-
