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Bradford-White Corp BMT2H manual

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Table of contents for the manual

  • Page 1

    Installation and Operation Instructions Document 1245 H2343300- Hydronic Boiler Model BMT2H V olume W ater Heater Model BMT2V Sizes 500–2000 MBTU/h W ARNING If the information in this manual is not followed exactly , a fire or explosion may result causing property damage, personal injury or loss of life. Do not store or use gasoline or other flam[...]

  • Page 2

    Page 2 B RADFORD W HITE C ORP. T ABLE OF CONTENTS SECTION 1. General Information 1. 1 Introduction ........................................................ 3 1.2 Model Identification ............................................ 3 1.3 W arranty ............................................................ 4 1 . 4 Dimensions ..........................[...]

  • Page 3

    Page 3 Brute Deluxe (500-2000) SECTION 1. General Information USING THIS MANUAL – Because Brute Deluxe Boilers and Water Heaters are identical appliances, with the exception of materials of manufacture, labels and ultimate use application, this manual provides information for the proper installation, operation and maintenance of all products. Whe[...]

  • Page 4

    Page 4 B RADFORD W HITE C ORP. 9 Fuel N = Natural Gas P = Propane 10 Altitude A = 0–10,000 feet 11 Location C = Indoor and Outdoor 12 Firing Mode K = Two-stage 13 Revision 1 = First version of design 14 Heat Exchanger B = Glass-lined cast iron / copper / bronze trim (std. on BMT2V) C = Glass-lined cast iron / copper (std. on BMT2H) K = Bronze / c[...]

  • Page 5

    Page 5 Brute Deluxe (500-2000) Boiler should be located within 15 feet (4.6m) of the supply and return headers. The pump is sized for 30 feet (9.1m) of piping. If the appliance must be installed with longer piping runs, then larger diameter tubing shall be used. Consult the factory for assistance. 1.8 Locating Appliance for Correct Horizontal Vent/[...]

  • Page 6

    Page 6 B RADFORD W HITE C ORP. Air V ent Conn. Conn. Size A B C D E F W V 500 33¾ 86 16¾ 43 6½ 17 10 25 8 20 46¼ 11 7 6 15 8 20 750 45¾ 11 6 22¾ 58 6½ 17 10 25 9½ 24 58¼ 148 6 15 10 25 1000 57¾ 147 28¾ 73 6½ 17 10 25 9½ 24 70¼ 178 8 20 10 25 1250 68¼ 173 34¼ 87 10¼ 26 10 25 9 23 80¾ 205 8 20 12 30 1500 78¾ 200 39½ 100 10¼ 26 10[...]

  • Page 7

    Page 7 Brute Deluxe (500-2000) NOTE: The vent collar size is larger than the size of the vent pipe that can be used. Vent collar size and horizontal pipe diameters can be found in Table 2 . The larger vent collar size is to accommodate Category I (vertical) vent systems. NOTE: When located on the same wall, the Brute Deluxe combustion air intake te[...]

  • Page 8

    Page 8 B RADFORD W HITE C ORP. rating to the room, but other heat sources may be present. 2. 2 Venting 2.2.1 Vent Categories Depending upon desired Brute Deluxe venting, it may be considered a Category I or a Category III appliance. In general, a vertical vent system will be a Category I system. However, in rare instances, a vertical vent system ma[...]

  • Page 9

    Page 9 Brute Deluxe (500-2000) lation Instructions. Horizontal portions of the venting system must be supported to prevent sagging and may not have any low sections that could trap condensate. The unit must not support the weight of the vent pipe. Horizontal runs must slope downwards not less than ¼ inch per foot (2 cm/m) from the unit to the vent[...]

  • Page 10

    Page 10 B RADFORD W HITE C ORP. U.S. Installations (see note 1) Canadian Installations (see note 2) A= Clearance above grade, veranda, porch, 12 inches (30 cm) 12 inches (30 cm) deck, or balcony B= Clearance to window or door that may be 4 feet (1.2 m) below or to side of opening; 36 inches (91 cm) opened 1 foot (30 cm) above opening C= Clearance t[...]

  • Page 11

    Page 11 Brute Deluxe (500-2000) From Massachusetts Rules and Regulations 248 CMR 5.08: (a ) For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or inpart for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termina[...]

  • Page 12

    Page 12 B RADFORD W HITE C ORP. SIZE DISTANCE FROM GAS METER AND OR LAST STAGE REGULATOR GAS TYPE 0-100' 100-200' 200-300' 500 natural 1½" 2" 2" 500 propane 1" 1½" 1½" 750 natural 2" 2" 2½" 750 propane 1½" 1½" 2" 1000 natural 2" 2½" 3" 1000 propane 1½&[...]

  • Page 13

    Page 13 Brute Deluxe (500-2000) Deluxe appliances are equipped to operate at elevations up to 10,000 feet (3050m). Brute Deluxe appliances may be adjusted to operate properly at altitudes above 2500 feet (see Section 6.6.2 ) and the input will be reduced if the heating value of the gas supply is below sea level values. 2. The maximum inlet gas pres[...]

  • Page 14

    Page 14 B RADFORD W HITE C ORP. diaphragm-type expansion tank, and a hydronic flow check in the system supply loop. Minimum fill pressure must be 12psig (82.7kPa). Install shutoff valves where required by code. Suggested piping diagrams are shown (see Figures 6 through 14 ). These diagrams are meant only as a guide. Components required by local cod[...]

  • Page 15

    Page 15 Brute Deluxe (500-2000) through 13 . These diagrams are meant only as a guide. Components required by local codes must be properly installed. The minimum inlet water temperature for the Brute Deluxe is 120°F (49°C) to avoid condensing on the copper coils. 4B.2 Hot Water Supply Piping — Water Heater Follow the tank manufacturer’s guide[...]

  • Page 16

    Page 16 B RADFORD W HITE C ORP. Figure 6. Hydronic Piping — Multiple Boilers, Primary Secondary System. Figure 7. Hydronic Piping — Multiple Boilers, Low Temperature System.[...]

  • Page 17

    Page 17 Brute Deluxe (500-2000) Figure 8. Hydronic Piping — One Boiler, Multi-Temperature System. Figure 9. Hydronic Piping - Primary-Secondary, Reverse-Return.[...]

  • Page 18

    Page 18 B RADFORD W HITE C ORP. Figure 10. Hydronic Piping - Primary-Secondary, Reverse-Return, Low Temperature. Figure 11. Water Heater Piping — One Heater, One Tank.[...]

  • Page 19

    Page 19 Brute Deluxe (500-2000) Figure 12. Water Heater Piping — Multiple Heaters, One Tank. Figure 13. Water Heater Piping — One Heater, Multiple Tanks.[...]

  • Page 20

    Page 20 B RADFORD W HITE C ORP. Figure 14. Water Heater Piping — Multiple Heaters, Multiple Tanks. Table 9. Water Flow Requirements — BMT2V. gpm f t T emp Rise °F lp m m T emp Rise °C Size S N H S N H S N H SN H S N H S N H 500 45 68 90 1.8 2.3 3.5 19 13 9 170 257 341 0.5 0.7 1.1 10 7 5 750 45 68 90 2.1 3.0 6.0 28 19 14 170 257 341 0.6 0.9 1.[...]

  • Page 21

    Page 21 Brute Deluxe (500-2000) NOTE: This pump control is equipped with a delay on break typically set for 3 minutes, but can be adjusted between 0.1 and 10 minutes. Field Interlocks: To install other field-wired devices to interlock with the boiler (tank stats, louver switches, flow switches, etc.), remove the jumper between terminals 3 and 4 and[...]

  • Page 22

    Page 22 B RADFORD W HITE C ORP. Figure 18. Brute Deluxe (1250–2000) Wiring Diagram. Figure 17. Brute Deluxe (1000) Wiring Diagram.[...]

  • Page 23

    Page 23 Brute Deluxe (500-2000) Figure 19. Brute Deluxe (500–750) Connection Diagram.[...]

  • Page 24

    Page 24 B RADFORD W HITE C ORP. Figure 20. Brute Deluxe (1000) Connection Diagram.[...]

  • Page 25

    Page 25 Brute Deluxe (500-2000) Figure 21. Brute Deluxe (1250–2000) Connection Diagram.[...]

  • Page 26

    Page 26 B RADFORD W HITE C ORP. 5.3 External Staging Control Wiring WARNING Improper field wiring may result in fire or explosion which can cause property damage, severe injury, or death. Make only wiring connections which are in accordance with the Installation and Operation manual. AVERTISSEMENT Un câblage incorrect lors de l’installation peut[...]

  • Page 27

    Page 27 Brute Deluxe (500-2000) Because the Brute Deluxe controller senses inlet water and the manual reset high limit senses outlet water, the high limit should be set 40-50°F higher than the controller, to avoid nuisance lockout of the manual reset high limit. 6.4 External Boiler Operations If controlling the stages of the BMT2 from an external [...]

  • Page 28

    Page 28 B RADFORD W HITE C ORP. light the main burners for that stage, the second ignition control will still be active, and will be able to energize stage 2. This, of course, will only occur upon call for stage 2 and if all other safety devices confirm that the unit will run in a safe condition. 6.6.2 High Altitude Adjustment and Set Up Brute Delu[...]

  • Page 29

    Page 29 Brute Deluxe (500-2000) protected from freezing. 6. Low water cutoffs, if installed, should be checked every 6 months. Float type low water cutoff should be flushed periodically. 7. Inspect flue passages, and clean with brushes/ vacuums, if necessary. Sooting in flue passages indicates improper combustion. Determine the cause and correct. 8[...]

  • Page 30

    Page 30 B RADFORD W HITE C ORP. 7.2.2 Filter The filter used in the Brute Deluxe is washable with an 83% arrestance. Since the filter is washable, it will only need replacement when unwashable, deteriorated or damaged. If filter replacement is needed, it should only be replaced with a factory part. Inspect the air filter. If there is debris on the [...]

  • Page 31

    Page 31 Brute Deluxe (500-2000) The Brute Deluxe has a pre-mixed burner system. These systems provide the burners with sufficient air for complete combustion, and black carbon sooting is seldom experienced. If sooting is suspected, view ports for inspection of the heat exchanger are provided on the right side of the boiler. They are located below t[...]

  • Page 32

    Page 32 B RADFORD W HITE C ORP. 8.3 Short Cycling — Boiler Because the Brute Deluxe is a stage-fired boiler, and its input will decrease when there is a reduction in heating load, short cycling is greatly reduced. If the heating load drops below the minimum input of the boiler for an extended period, the boiler will have a tendency to short cycle[...]

  • Page 33

    Page 33 Brute Deluxe (500-2000) IItem Description Size Size Size Size Size Size Size 500 750 1000 1250 1500 1750 2000 Sheet Met al Component s – See Figure 23 1 Panel, Jacket, Front 5F3320 7F3320 10F3320 12F3320 15F3320 17F3320 20F3320 2 A Panel, Jacket, Side, Lower Left 5F3420 5F3420 5F3420 5F3420 5F3420 5F3420 5F3420 2B Panel, Jacket, Side, Low[...]

  • Page 34

    Page 34 B RADFORD W HITE C ORP. Item Description Size Size Size Size Size Size Size 500 750 1000 1250 1500 1750 2000 32 Assembly , Copper T ube, Heat Exchanger 5C4000 7C4000 10C4000 12C4000 15C4000 17C4000 20C4000 Assembly , Cupro-Nickel, Heat Exchanger 5C4020 7C4020 10C4020 12C4020 15C4020 17C4020 20C4020 33 T ile, Side (Lef t and Right) T2015600 [...]

  • Page 35

    Page 35 Brute Deluxe (500-2000) Item Description Size Size Size Size Size Size Size 500 750 1000 1250 1500 1750 2000 Manifold, 4 Burner/Orifice, Left L2012600 L2012600 L2012600 L2012600 (2) (2) (2) (4) Manifold, 4 Burner/Orifice, Right L2012700 L2012700 L2012700 L2012700 (1) (1) (1) (2) 54 Assembly , 3 Burner L2012200 L2012200 L2012200 L2012200 L20[...]

  • Page 36

    Page 36 B RADFORD W HITE C ORP. 71 Cover , Return, Glass-Lined Cast Iron 10364300 10364300 10364300 10364300 10364300 10364300 10364300 Cover , Return, Bronze 10364301 10364301 10364301 10364301 10364301 10364301 10364301 72 Pump Housing, Glass-Lined Cast Iron S2056900 S2056900 S2056900 S2056900 S2056900 S2056900 S2056900 73 Baffle, Dif fuser , Pum[...]

  • Page 37

    Page 37 Brute Deluxe (500-2000) Figure 23. Sheet Met al Components.[...]

  • Page 38

    Page 38 B RADFORD W HITE C ORP. Figure 24. Internal Component s.[...]

  • Page 39

    Page 39 Brute Deluxe (500-2000) Figure 25. Heat Exchanger Component s. Brute Deluxe Hydronic Boiler Size Pump p/n 500 A2001700 750 A2001700 1000 A2001800 1250 A2001800 1500 A2001900 1750 A2001900 2000 A2109700 Brute Deluxe W ater Heater Size Pump p/n Soft W ater Normal W ater Hard W ater 500 A2001700 A2001700 A2001900 750 A2001700 A2001700 A2001900[...]

  • Page 40

    Page 40 B RADFORD W HITE C ORP. H2343300- Figure 26. Electrical Components. Bradford White Company reserves the right to change specifications, components, features, or to discontinue products without notice. Ambler , P A 19002 T ech. Service (800) 334-3393 Service Parts (800) 538-2020 www .BradfordWhite.com W arranty Service (800) 531-21 1 1 Litho[...]