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Installation, Operation and Maintenance Instructions Document 2143
Installation, Operation
and Maintenance
Instructions for
Copper Brute
Volume Water Heaters
Model B4
Sizes 175-400
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
qualified in hot water heater installation and maintenance. Improper installation and/or operation could
create carbon monoxid
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 2 BRADFORD WHITE Page 3 TABLE OF CONTENTS 3.5 Hi-Limit Switch Checkout..............................22 SECTION 1. 3.6 Shut-Down Procedure ..................................22 General Information 1.1 Introduction.....................................................3 1.2 Warranty .........................................................3 SECTION 4. 1.3 Technical Assistance .......................
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 2 BRADFORD WHITE Page 3 Some accessory items are shipped in separate SECTION 1. packages. Inspect everything for damage immediately General Information upon delivery, and advise the transporter of any shortages or damage. Any such claims should be filed 1.1 Introduction with the transporter. The transporter will not accept a This manual provides installation, operating, and claim from the shipper, Bradford White.
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 4 BRADFORD WHITE Page 5 a. Remove the top filler plate, stamped “HOT”, by SECTION 2. slipping a fine-blade screwdriver into the slot at Installation Instructions the rear of the plate and gently prying it up (see Figure 2). 2.1 General Information b. Remove the two screws attaching the adapter plate to the top assembly and lift it out (see WARNING Figure 3). Follow local regulations with respect to instal
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 4 BRADFORD WHITE Page 5 e. Slide the adapter plate over the bottom of the stack extension as shown in Figure 5. Fit the stack extension down over the flue transition ring. Seat the adapter plate on the top assembly and secure it with two screws (see Figure 6). f. Indoor models, size 175 and 250 only, require an adapter cable (included with product). The cable connects the blocked vent safety switch (BVSS
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 6 BRADFORD WHITE Page 7 Concrete slab must extend out a minimum of 12 in. (305mm) on all sides. WINDOW Bradford White OR GRILL UNIT (Side View) Base For Combustible Floors INDOOR ROOM Roof - Wood and Steel Construction Figure 11. Standard base for combustible floor. Figure 9. Incorrect outdoor installation. Mounting Platform must extend out a minimum of 12 in. (305mm) on all sides. 4 ft Bradford White (1.2m) UNIT 2
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 6 BRADFORD WHITE Page 7 directly, or by ducts, with the outdoors or spaces that Required Net Free Opening Area Directly from Outside freely communicate with the outdoors. When directly communicating with the outdoors directly, or through At Top At Bottom vertical ducts, each opening
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 8 BRADFORD WHITE Page 9 2.5.2 Replacement of Existing Heater 2.5 Venting of Combustion Products When a heater is removed from a common 2.5.1 General Information venting system, the venting system may be too large When installed indoors, the drafthood must be for proper venting of the other appliances connected connected to a venting system. The venting system to it. must be installed by a qualified installer and
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 8 BRADFORD WHITE Page 9 HEAT EXCHANGER REAR TILE COVER ASSEMBLY GAP CLOSURE FLOW SWITCH CONDUIT DRAIN PLUG DRAIN VALVE REAR TILE COVER GAP CLOSURE GROMMET DRAIN VALVE HEX HEAD SCREWS METAL CHANNEL (FOR CAPILLARY TUBE) MANUAL RESET HIGH LIMIT SWITCH BOX TERMINAL STRIP Figure 15. Heat exchanger reversal. Clamp Flue Collector Bracket Clamp In/Out Header Heat Exchanger Bracket Figure 16. Flue collector Holddown Clamps.
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 10 BRADFORD WHITE Page 11 10. In the control compartment, find the manual reset holder. Gently pull the two white wires out of the high-limit switch box (see Figure 15) and loosen control compartment and coil them on top of the the screw on the top to remove the cover. heat exchanger. 11. Loosen the screw that fastens the white wire and 12. A temperature control sensing bulb is located remove it from the term
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 10 BRADFORD WHITE Page 11 24. Fasten the capillary tube(s) by squeezing the NOTE: It is possible to have hard and soft retaining clip together, then tighten the screw. water in the same city. Check with the local water companies. 25. Feed the two brown wires through the top hole on the left side until the conduit elbow is against If an installer sees damage to any water handling the jacket. equipment at the i
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 12 BRADFORD WHITE Page 13 Heat Flow Pressure* Water Temp Exch. Water Rate Drop Rise Model Passes Category
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 12 BRADFORD WHITE Page 13 Hot Water Optional Cold Water Supply to Building When Adequate Tank Opening Hot Water Not Available Return from Building Heater Throttling Valve To Drain Check Valve Bldg. Service Loop Valves Circ. Pump Pump To Drain Conventional Tank Cold Water Figure 21. Hot water supply with vertical tank. Conventional Hot Water Tank to Building To Drain Hot Water 24-inch Heater Return from Min. Building C
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 14 BRADFORD WHITE Page 15 2.6.6 Pressure Buildup in Water System The water utility supply meter may contain a Pressure Flow check valve, back flow preventer, or water pressure Relief Valve Switch reducing valve that will create a closed water supply system. Contact the water supplier or local plumbing inspector on how to control this situation. During the heating cycle of the heater, the water expands creating a p
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 14 BRADFORD WHITE Page 15 2.6.10 Thermal Circulation of Hot Water Distance from Gas Meter or Last Stage Regulator in Cold Water Supply Lines Under certain circumstances, thermal circulation 0-100 feet 100-200 feet 200-300 feet 0-30 m 30-60 m 60-90 m will occur in the cold water pipe supplying the water Boiler Nat.
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 16 BRADFORD WHITE Page 17 11. Before operating the heater, test the complete gas 2.9 Combined Space Heating/Potable supply system and all connections for leaks using Water Heating Systems a soap solution. 2.9.1 Combined Space Heating NOTE: These systems are not allowed in the Caution Commonwealth of Massachusetts. Since some leak test solutions (including soap and Piping and components connected to this water
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 16 BRADFORD WHITE Page 17 IGNITION SYSTEM NO. 1 (SIZES 175-250) ON/OFF WITH EM2 2 AMP TRANSFORMER FUSE R R BK BR 24V 115V P 1 2 3 4 5 LOW WATER CUT-OFF (OPTIONAL) MANUAL POWER SWITCH RESET Y HOT BK BK HI-LIMIT R BK BL 115/60HZ POWER SUPPLY PUMP TERMINAL W RELAY STRIP W NEUTRAL TEMP BR 1 R A CONTROL 1 O R GROUNDING T PUMP BR CONDUCTOR 3 Y 2 B G BR BK 3 FIELD INTERLOCK (REMOVE JUMPER 4 R FLOW WHEN USED) SWITCH 5 BR 6 BR
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 18 BRADFORD WHITE Page 19 IGNITION SYSTEM NO. 12 (SIZES 175-250) ON/OFF WITH EM2 2 AMP TRANSFORMER FUSE R R BK BR 24V 115V P 1 2 3 4 5 LOW WATER CUT-OFF (OPTIONAL) W MANUAL POWER FUSIBLE SWITCH RESET HOT LINK Y BK BK HI-LIMIT BK W W BL 115/60HZ POWER SUPPLY PUMP W W RELAY W NEUTRAL 1 R A GROUNDING TERMINAL T 3 PUMP CONDUCTOR BR STRIP TEMP B CONTROL BR BK 1 R 2 3 FIELD INTERLOCK (REMOVE JUMPER IGNITION 4 R FLOW WHEN USE
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 18 BRADFORD WHITE Page 19 IGNITION SYSTEM NO. 1 (SIZES 325-400) ON/OFF WITH Em2 2 AMP TRANSFORMER FUSE BK BR R R 24V 115V P 1 2 3 4 5 LOW WATER CUT-OFF (OPTIONAL) W POWER MANUAL SWITCH BK BK HOT RESET HI-LIMIT Y BK BL R 115/60 HZ POWER SUPPLY PUMP W W RELAY NEUTRAL W BR 1 A O GROUNDING T TERMINAL PUMP 3 BR CONDUCTOR Y STRIP B TEMP G R CONTROL BR BK 1 R 2 3 FIELD INTERLOCK BK - BLACK (REMOVE JUMPER W - WHITE R 4 WHEN US
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Internet Version for Reference Only Copper Brute B4 Volume Water Heaters Page 20 BRADFORD WHITE Page 21 IGNITION SYSTEM NO. 12 (SIZES 325-400) ON/OFF WITH EM2 2 AMP TRANSFORMER FUSE R R BK BR 115V 24V LOW WATER P 1 2 3 4 5 CUT-OFF (OPTIONAL) W POWER SWITCH W HOT MANUAL Y Y BK BK RESET BK BL HI-LIMIT 115V/60HZ POWER SUPPLY PUMP W W RELAY NEUTRAL W BR 1 R A O GROUNDING T PUMP TEMP TERMINAL CONDUCTOR 3 BR Y STRIP B CONTROL G R BR 200°F MAX BK 1 R R 2 3 FIELD INTERLOCK IGNITION (REMOVE JUMPER CONTRO
