Bulletin 16C 8/ ECLIPSE AH-MA BURNERS Air Make-Up Burners Designed for trouble-free make-up or process air heating. Eclipse AH-MA burners produce a uniform, odorless, and smokeless flame ideal for heating fresh air in make-up and process air heating applications. The AH-MA design provides stable operation over a wide range of velocities, inputs and fuels. AH-MA easily passes all global standards for indoor air quality through a wide operational range. It is ETL listed, complying with ANSI Z21.2 design standards, and is used in systems which meet ANSI Z83.4 / CGA 3.7 emissions standards for NOx and CO. The new aluminum burner body creates a lightweight, corrosion resistant burner. Cast iron and corrosion resistant cast iron bodies are also available. Divergent air wings are made of stainless steel. The burner bodies supply fuel to the center of the air wings to control the air and fuel mixture inside the burner and to optimize emissions and efficiency. Low pressure models require only a 6." w.c. ΔP natural gas at 8, Btu/hr/LF, making them ideal for use with the Maxitrol Selectra control valve. Ready for the world AH-MA burners combine advanced engineering with installation and operational features that are truly world class. Assembled from straight sections, tees and crosses to produce nearly any configuration required. Inputs up to 1,2, Btu/hr/LF Up to 3:1 turndown Up to 45 F upstream air temperature. Up to 85 F downstream air temperature. Multi-fuel capability (natural gas, propane and butane) In addition to the many user-preferred features of AH-MA, Eclipse offers you a comprehensive, global network of service with more years of air-heating experience than any other burner manufacturer. E C L I P S E
AH-MA Burners Ideal for make-up air heating applications Adjustable Profile Plate Uniform Air Flow Flame Length Burner Body Gas Feed Pipe Heated Air Uniform Air Flow Air WIng Adjustable Profile Plate Bulletin 16C 8/ Litho in USA
Data 16 11/7/4 AirHeat Burners AH-MA Series Version 2.2 Main Specifications Parameter Description Input (Btu/hr./ft.) Combustion Airstream Pressure Drop/Velocity Ignition Pilot Integral Pilot Capacities 1,2, maximum.2" to 1.4"w.c. Direct spark ignition (6VAC). Interruptible pilot for natural gas, propane or butane. 2, Btu/hr. Burner Bodies Standard Aluminum Low Pressure Aluminum* Standard Cast Iron Corrosion Resistant, EN Plated Cast Iron Low Pressure Cast Iron* Burner Section Sizes 15mm (6") straight section 3mm (12") straight section 3mm (12") straight section with back inlet 3mm (12") straight section with pilot 15mm (6") by 3mm (12") tee section 15mm (6") by 3mm (12") tee section with pilot 3mm (12") by 3mm (12") cross section Pipe Threads N.P.T. or B.S.P. Maximum Upstream Air Temp. 45 F (232 C) Maximum Downstream Air Temp. 85 F (454 C) Maximum Temperature Rise 75 F (4 C) Minimum Inlet Air Oxygen (O2) 18% Flame Detection** Flame rod or scanner. Fuels Natural gas, propane or butane. * For use with Natural Gas only. ** Burners over 5 lineal feet include flame supervision at the far end. If pilot ignition is being used, two flame supervision units are required; one for the pilot and one for the far end. If using direct spark on the main flame, only flame supervision at the far end is required providing ignition can be accomplished within 15 seconds. (Reference NFPA Requirement 5-9.2.2) Eclipse reserves the right to change the construction and/or configurations of our products at any time without being obliged to adjust earlier supplies accordingly. All information is based on laboratory testing. Different chamber size and air flow conditions may affect the data. All information is based on standard conditions (7 F at sea level). Contact Eclipse for performance data above ambient temperature. All inputs based on gross caloric values.
Operating Range & Duct Pressure Measurement 1,3, 1,2, 1,1, 1,, Heat Input (Btu/hr./ft.) 9, 8, 7, 6, 5, 4, 3, 3, Maximum Heat Input Natural Gas Propane/Butane 25, 2, 15, Minimum Heat Input 1, 5,.2.4.6.8 1. 1.2 1.4 ("w.c.) @ 7 F Air Inlet Inlet Air Temperature Correction Air Press. Drop @ Air Temp. = Air Press. Drop from Oper. Range Chart x Correction Factor Air Inlet Temp. ( F) 3 7 15 2 25 3 35 4 45 Correction Factor.87.92 1. 1.15 1.25 1.34 1.43 1.53 1.62 1.72 Air Velocity Calculation Air Velocity (fpm) = 196.2 ("w.c.) Air Density (lbs./cubic ft.) 2 Eclipse AH-MA AirHeat Burners v2.2, Data Sheet 16, 11/7/4
Differential Pressure Measurement & Burner Gas Pressure Drops "A" Tap On Inlet Gas Piping Main gas differential pressure measured between A and D 1-2" D (254-58mm) Gas Pressure Drop ("w.c.), Burner Inlet to Duct 3 25 2 15 1 5 Natural Gas* Propane* Butane* Natural Gas (Low Press.)* * 2 4 6 8 1, 1,2 Heat Input (1 s Btu/hr./ft.) * 2.mm gas ports. * * 2.4mm gas ports Flame Lengths Flame Length Note: Flame length may vary slightly from these values depending on actual fuel, air handling system, duct configuratons and profile plates uses. Flame Length (Inches) 7 6 5 4 3 2 1.4"w.c..7"w.c. 1."w.c. 1 2 3 4 5 6 7 8 9 1, 1,1 1,2 Heat Input (1 s Btu/hr./ft.) Emissions Data NOx (ppmvd @ 3% O2) 1 9 8 7 6 5 4.4"w.c. 3.7"w.c. 2 1."w.c. 1 2 4 6 8 1, 1,2 Input (1 s Btu/hr./ft.) CO (ppmvd @ 3% O2) 18 16 14 12 1 8 6 4 2.4"w.c..7"w.c. 1."w.c. 2 4 6 8 1, 1,2 Input (1 s Btu/hr./ft.) Eclipse AH-MA AirHeat Burners v2.2, Data Sheet 16, 11/7/4 3