Burnham `A `B `C `D `E Users Manual CHG Literature
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2015-02-04
: Burnham Burnham-`A-`B-`C-`D-`E-Users-Manual-364390 burnham-`a-`b-`c-`d-`e-users-manual-364390 burnham pdf
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Defining the Best in Home Heating Condensing High Efficiency Gas Water Boiler Natural or LP Gas Water Only Boiler 94+% AFUE ENERGY STAR® Certified Cast Aluminum Heat Engine Direct Vent Sealed Combustion 150 - 225 MBH (2 sizes) Fully Modulating Firing Rates Low NOx and CO Ratings Defining the Best in Home Heating Here at Burnham we are passionate about our products and want to help insure your family’s comfort with the security of the Burnham Hydronics name. When you select Burnham, you’re buying more than just an appliance. Every product is crafted with the highest quality materials and components – by experts committed to delivering the absolute best performance. With Burnham products, you can count on the best craftsmanship, ingenuity, and customer service and support that the industry has to offer. CHG “Condensing, High Efficiency, Gas” Boilers Today’s lifestyles have created ever increasing demands for abundant supplies of comfortable space heating including radiant heat, domestic hot water, and snow melting to keep walks and driveways clear – all with the best possible efficiencies available. A condensing boiler can help ensure that all of these needs are met. Burnham now offers the best solution for these demanding needs with a ruggedly designed, cast aluminum, condensing boiler that has efficiency ratings exceeding 94+%. The CHG boiler will meet your family’s heating needs and save you money in energy operating costs. 94+% Efficiency What is a “condensing” boiler? Burnham CHG condensing boilers achieve 94+% efficiency through our uniquely designed heat engines. These sectional, cast aluminum designs use the heat in the exhaust gases from the boiler’s combustion process to preheat the water as it enters the boiler, thus capturing energy that otherwise would be lost. When a condensing boiler is working at its peak efficiency, the water vapor produced in the gas combustion process condenses back into water – hence the name “condensing” boiler. This condensation of exhaust gases releases the latent heat that is given off when water is vaporized. Together these two processes, condensation and vaporization, create the high efficiencies associated with Burnham’s CHG condensing boilers. Full Modulating Operation The “Quiet” Boiler Our CHG boilers are designed to automatically adjust the firing rate to match your home’s heating needs. With up to a 5-to-1 turn down ratio, a CHG boiler will continuously adjust its output to more efficiently and effectively provide the right amount of heat which further helps conserve fuel and reduce heating costs. Through its state-of-the-art design, packaging, and unique combustion process, a CHG boiler operates so quietly that you may not even “hear” it firing, but you can see its operating sequence with a digital display mounted on the top of the boiler. Potential Annual Fuel Savings by Increasing Efficiency Example Savings for: 150,000 Btu Boiler Gas price at $12.00/Mcf NOTE - When determining potential savings, all of these factors must be considered: (1) increased efficiency rating over previous equipment , (2) new boiler BTU rating, (3) cost of fuel, and (4) hours per day of full operation. 15-Year Limited Warranty The aluminum heat engine in our CHG boilers is covered by a 15-year limited factory warranty. The purchase of an optional Burnham’s Winter Warmth Assurance program for your CHG boiler can extend our True Blue Warranty protection to include parts and labor for the entire boiler for either 5 or 10 years. Safety with Increased Efficiency CHG boilers use a sealed combustion system that isolates the combustion process in the boiler from the air inside your home. This design helps save energy dollars by using outside air, rather than room air you’ve already paid to heat, and assures that exhaust gases go directly outside. In addition, the CHG boilers are designed to keep your heating system running efficiently with Annual Fuel Utilization Efficiencies (AFUE) of 94+% which can save you hundreds of dollars on your annual heating bill. CHG Site Glass & Burner The flame can be continuously modulated from an orange glow to a full blue flame. The burner is located on the top of the heat engine forcing the heat down while the water flows upward. This allows the condensation to drain down and away from the boiler. Cutaway view showing actual water flow path. Boiler Operations The CHG castings incorporate a multi-pass water flow with the return water entering the lower manifold and progressing upward to the supply manifold. This counterflow from bottom to top provides for maximum heat transfer while the serpentine pattern offers low pressure drop. Each section’s water flow is independent with no port connections between sections. The supply and return manifolds are designed to balance the flow across all sections. Supply Manifold Return Manifold Negative regulated gas valve with factory set outlet pressure. Premix Technology CHG boilers utilize a pre-mix combustion assembly that includes a modulating gas valve, variable speed blower and a venturi to provide an optimal fuel/air mixture to a stainless steel mesh Venturi burner. Together these components accurately Variable and efficiently help control the fully modulating combustion process which automatically adjusts Speed Blower the boiler’s firing rate to match your heating needs. Boiler Control Module & Outdoor Reset The MCBA microprocessor control manages all boiler functions including supervising the combustion process and monitoring key operating functions. Included is a digital display that can provide detailed boiler information as well as be an invaluable service and troubleshooting tool. The MCBA module stores set points for boiler and domestic hot water supply temperatures, and monitors supply and return water temperatures, flue gas temperature, the flame sensor, and the included outdoor reset. The boiler control module allows for continuous modulation (firing rates) by varying the combustion fan speed. Domestic Hot Water Abundant domestic hot water is available with a matching Alliance indirect-fired hot water heater. Select from several sizes to meet your specific needs. In addition, the CHG boiler control module is preset for domestic hot water priority and set point temperature. CHG Venting Boiler Model Horizontal Vertical Vent Vent Max. Vent Max. Diameter CHG150 55 ft. 49.5 ft. 3 in. CHG225 55 ft. 47 ft. 4 in. The CHG incorporates a sealed combustion system that uses outside air for combustion and the safe and proven AL29-4C stainless steel material for venting the exhaust. Both horizontal (“sidewall”) and vertical (“through-the-roof”) venting options are available. RATINGS Boiler Model Maximum Input (MBH) Minimum Input (MBH) DOE Heating Capacity (MBH) I=B=R Net Rating (MBH) AFUE % CHG150 CHG225 150,000 225,000 30,000 56,250 135,000 202,000 117,000 176,000 93.10 94.20 SPECIFICATIONS Horizontal Venting Vertical Venting Boiler Model Vent Diameter (inches) Air Inlet Diameter (inches) Maximum Vent Length (Equiv. Ft.) Maximum Air Inlet Length (Equiv. Ft.) Maximum Vent Length (Equiv. Ft.) Maximum Air Inlet Length (Equiv. Ft.) Water Volume (gal.) Approx. Shipping Weight (lbs.) CHG150 CHG225 3 4 4 4 55 55 60 60 49.5 47 52 52 1.3 1.1 258 323 B DIMENSIONS D Boiler Model ‘A’ ‘B’ ‘C’ ‘D’ ‘E’ CHG150 CHG225 23-3/8 27 18-3/4 22-3/8 8-1/8 8-1/4 13 7-1/8 3-1/2 3 E C 22-1/4 * All dimensions in inches A LWCO Top View Temperature/ Pressure Gauge 4" Air Inlet Collar Gas Connection Relief Valve 1-1/4 Supply F Vent Adapter G H Low Voltage Connections Alternate Gas Connection Line Voltage Connections 43-3/4 1-1/4 Return Alternate 1-1/4 Return Alternate Condensate Drain Connection Back View Right View Front View STANDARD EQUIPMENT Deluxe Insulated Jacket Circulator - Shipped Loose Pressure Temperature Gauge Drain Valve MCBA Microprocessor Control w/ Outdoor Reset (standard) Form No. PL81401311000-6/06-10MS Condensate Drain Connection Digital Touchpad Display Panel Variable Speed Combustion Blower Negative Regulation Gas Valve Venturi Stainless Steel Mesh Burner Supply Water Temperature Sensor Return Water Temperature Sensor Flue Gas Temperature Sensor Flame Sensor Differential Pressure Switch High Limit LWCO and Transformer Condensate Trap Air Inlet Screen Safety Relief Valve © 2006 U.S. Boiler Company, Inc. - Lancaster, PA Phone: 1-888-432-8887 www.burnham.com Printed in the U.S.A.
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