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Installation and Operation Instructions Document 1242
Installation and Operation
Instructions for
BRUTE MINI BRUTE MINI
BRUTE MINI BRUTE MINI BRUTE MINI
Residential
Gas-Fired
Hydronic Boilers
Models BJVS, BJVT
Sizes 50-225
U.S. Patent No. 1,609,692
Canada Patent No. 383,318
Vent damper is optional in some provinces of Canada.
These instructions are to be stored in the packet
provided on the boiler.
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
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BRADFORD WHITE CORP. Page 2 TABLE OF CONTENTS SECTION 1. SECTION 6. General Information Electrical 1.1 Introduction................................................... 3 6.1 General Information .................................... 16 1.2 Warranty ....................................................... 3 6.2 Main Power ................................................ 16 1.3 Codes and Standards ................................... 3 6.3 Grounding................................................... 21
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Brute Mini Hydronic Boiler Page 3 All boilers must be installed in accordance with SECTION 1. the local building and installation codes as per the General Information utility or authorities having jurisdiction. All local codes take precedence over national codes. 1.1 Introduction In the absence of local codes, refer to the This manual provides information necessary for following national codes for installation: the installation, operation, and maintenance of Model 1. In the United States, the
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BRADFORD WHITE CORP. Page 4 12. Modification of Boiler for High Altitude: temperature may be less than 120°F, such as in-floor radiant systems, snow melt Brute Mini Boilers are normally shipped from the systems or other systems where a “cold factory in the low altitude (sea level) operational start” is expected frequently due to configuration. When requested, the boilers can be thermostat setbacks, etc. See Figure 11. configured and shipped for higher altitudes. For b. Any system where the tempe
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Brute Mini Hydronic Boiler Page 5 Dimensions in inches cm Dimensions Water Gas inches cm Conn. Conn. in. in. Size* A B C D E V 50 13-3/8 34 27-3/4 71 23-5/8 60 21-3/4 55 26-1/2 67 4 10 1-1/4 1/2 75 13-3/8 34 27-3/4 71 24-1/8 61 21-3/4 55 27-1/2 70 5 13 1-1/4 1/2 100 16-7/8 43 28-3/4 73 24-1/8 61 22-3/4 58 27-1/2 70 5 13 1-1/4 1/2 125 16-7/8 43 28-3/4 73 23-5/8 60 22-3/4 58 27-1/2 70 6 15 1-1/4 1/2 160 20-3/8 52 28-3/4 73 23-5/8 60 22-3/4 58 27-1/2 70 6 15 1-1/4 1/2 22
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BRADFORD WHITE CORP. Page 6 Caution Do not force motor operation when operator is 6 15 fastened to the damper by moving the damper blade, turning the shaft or by turning the position 6 15 4* indicator. 10 6 15 Attention Ne pas tourner le registre manuellement avec ou sans courant électrique ou le moteur sera Dimensions in inches cm. endommagé. *6" for models BJV160 to BJV225. Figure 3. Closet and Alcove Installation (see Table 3). 2.3.2 Flooring 2.3.1 Clearances The boiler shall be installed o
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Brute Mini Hydronic Boiler Page 7 Inside Air Supply: When combustion is SECTION 3. supplied from inside the building, each opening should Venting have a minimum free area of one square inch per 1,000 BTU/h (0.3kW) input of the total input rating of all appliances in the enclosed area. These openings 3.1 Combustion Air Supply should never be less than 100 square inches The boiler location must provide sufficient (645 sq. cm). air supply for proper combustion, and ventilation Note: In Canada, foll
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BRADFORD WHITE CORP. Page 8 Do not weld or fasten the vent pipe to the boiler WARNING draft diverter. The weight of the stack must not rest on Vent pipe diameter must be as required by the the boiler. The draft diverter and boiler top must be National fuel Gas Code Z223.1 or the Canadian easily removable for normal boiler service and Installation Codes for Gas Appliances CSA-B149.1. inspection. Undersize pipe can result in inadequate venting Avoid horizontal runs of the vent pipe, and 90° and
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Brute Mini Hydronic Boiler Page 9 At the time of removal of an existing boiler, the WARNING following steps shall be followed with each appliance Operation of appliances with a blocked common remaining connected to the common venting system vent may lead to serious injury or death. Safety placed in operation, while the other appliances devices must be implemented to prevent blocked remaining connected to the common venting system common vent operation. If safe operation of all are not in operat
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BRADFORD WHITE CORP. Page 10 flame of a match or candle, or smoke from a SECTION 4. cigarette, cigar or pipe. Gas Connections Faire fonctionner le brûleur principal pendant 5 min ensuite, déterminer si le coupe-tirage déborde à l’ouverture de décharge. Utiliser la 4.1 Gas Supply and Piping flamme d’une allumette ou d’une chandelle ou la Review the following general instructions before fumée d’une cigarette, d’une cigare ou d’une continuing the installation. pipe. 6. After it has been determined
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Brute Mini Hydronic Boiler Page 11 Boiler Size Supply Pressure Minimum Maximum Distance From Gas 50 75 100 125 160 225 Natural Gas 5.5 Inches WC 10.5 Inches WC Meter (1.3 kPa) (2.5 kPa) Pipe Size 0-50' LP Gas 10.0 Inches WC 13.0 Inches WC 1/2 3/4 3/4 3/4 1 1 0-15m (2.4 kPa) (3.1 kPa) 50-100' 3/4 3/4 3/4 1 1 1-1/4 Table 5. Gas Supply Pressure Requirements. 15-30m 100-200' 3/4 1 1 1 1-1/4 1-1/4 NOTE: The boiler and all other gas appliances 30-60m sharing the boiler gas supply line must be firing a
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BRADFORD WHITE CORP. Page 12 A full sized, 1¼" bypass with balancing valves is SECTION 5. strongly recommended for all systems, and required Water Connections when: 1) the boiler is installed without primary- secondary piping in a multiple zone system; 2) when the return water temperature can be expected to be 5.1 Water Piping lower than 120°F (44°C); or 3) whenever the system Figure 6 shows ‘typical’ plumbing installations. piping on the outlet side of the boiler may allow Be sure to provide un
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Brute Mini Hydronic Boiler Page 13 Figure 6. Typical Plumbing Installations.
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BRADFORD WHITE CORP. Page 14 Multi-Zone BJV BJV Boiler Valve System Boiler Single Circuit System Multi-Zone BJV Pump Boiler System Figure 6A. Typical Plumbing Installations. Air Scoop Pump System Loop Feed Expansion Water Tank Figure 6B. Typical Plumbing Installations.
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Brute Mini Hydronic Boiler Page 15 water temperature is 160°F (71°C), and the outlet temperature is 180°F (82°C) at Normal Input Rate To System from the rating plate. That means there is a 20° (11°C) From temperature rise through the boiler. According to System Balancing Table 1, that would indicate a flow rate of 8 GPM Valve (0.5L/S). Temperature rise must be measured with the Balancing Valve longest (highest head) zone calling for heat alone. or optional thermostatic union, Other factors to be
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BRADFORD WHITE CORP. Page 16 5.4 Chilled Water Systems 6.1 General Information If the boiler is installed in conjunction with Wiring connections must be made exactly as refrigeration systems, it shall be installed so that the shown in the wiring diagram found on the inside of the chilled medium is piped in parallel with the heating control box cover (see Figure 8). The boiler must boiler with appropriate valves to prevent the chilled include a definite means of grounding. There is a medium from
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Brute Mini Hydronic Boiler Page 17 Figure 9a. Wiring Diagram, Spark Ignition System (BJVS 50 & 75). 5. When using a or field supplied power venter, the 110V 110V Hot Neutral proving switch must be connected in series with the hi-limit. Space Heating Zone Pump Pump (Field Supplied) Relay 6. Check the boiler wiring and pump for correct 1 3 voltage, frequency and phase. If the pump circuit is other than 115V, be sure there is an 115V appropriate transformer or relay installed. The pump relay is su
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BRADFORD WHITE CORP. Page 18 Figure 9c. Wiring Diagram, Standing Pilot System (BJVT). Figure 9d. Schematic, Standing Pilot System (BJVT).
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Brute Mini Hydronic Boiler Page 19 Figure 9e. Wiring Diagram, Spark Ignition, Two-Stage (BJVS 100-225). 110V 110V Hot Neutral Space Heating Zone Pump Pump (Field Supplied) Relay 1 3 115V 24V Thermostat Zone Fuse Boiler Field Boiler Pump Terminal Supplied Terminal Relay Zone Pump 4 R W R Relay Boiler Optional High Terminal Aquastat Limit Zone A Pump 6 Relay Vent Damper Receptacle Ignition Control Power Venter Receptacle Jumper Roll-Out Blocked 1 MV Safety 2 MV/PV Vent Switch 3 PV Safety Pilot Bur
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BRADFORD WHITE CORP. Page 20 Wiring with Taco Zone Valves Wiring with Honeywell Zone Valves Wiring with Multiple Zone Pumps For primary/secondary pumping: Connect to "W" in lieu of "A." Boiler relay is used for boiler pump and connection to "W" will energize boiler pump when any zone is calling for heat. Figure 10. Multiple Zone Wiring.
