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ECLIPSE AIR HEAT BURNERS
The burners covered in this Guide are designed to
mix fuel with air and burn the resulting mixture. All
fuel burning devices are capable of producing ex-
plosions and fires when improperly applied, in-
stalled, adjusted, controlled, or maintained. This
Guide will provide information for using these burn-
ers for their limited design purpose. Do not deviate
Series "AH-O" &"TAH-O"
U.S. Reissue Pat. No. 26,244 Canadian Pat. No. 743,782
AH-O, Front View
Data 144-1
Warning
ECLIPSE COMBUSTION
AH-O, Back View
Data 144-1
TAH-O, Front View
Data 144-2
from any instructions or application limits in this
Guide without written advice from the Eclipse Com-
bustion Division in Rockford, Illinois. Read this en-
tire Guide before attempting to light burners. If you
do not understand any part of the information in this
Guide, contact your local Eclipse representative or
Eclipse Combustion before proceeding further.
Info 144
4/94
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Summary of Contents for Eclipse Combustion AH-O Series
- Page 1 Guide will provide information for using these burn- Guide, contact your local Eclipse representative or ers for their limited design purpose. Do not deviate Eclipse Combustion before proceeding further. ECLIPSE COMBUSTION...
- Page 2 Important Notices About Safe Burner Operation Storage Store the burner inside. Exposure to the elements can damage the burner. Qualifications Adjustment, maintenance, and troubleshooting of the mechanical parts of this unit should be done by people with good mechanical aptitude and experience with com- bustion equipment.
- Page 3 Figure 2–Specifications Inputs & Pressures: See table below. Fuels: Natural gas or 100% propane vapor. Call Eclipse for information on using other fuels. Airstream Temperatures: Upstream of Burner: 450°F 250°C Downstream of Burner: 1000°F 540°C Oxygen Level: 18% oxygen required in the process airstream. Net Free Area: 10 sq.
- Page 4 2.0 Control System Requirements Turndown Method Input is normally controlled by a motorized butterfly valve in the gas line to the burner. Regulator Loading Lines Connect the top diaphragm chambers of the main gas and pilot gas regulators to the duct approximately 10"...
- Page 5 Figure 5–Profile Plates & Duct Design To calculate the open area between the burner perime- Example–Size a profile plate for a seven foot long burner ter and the edge of the profile plate opening, solve the to fire at 800,000 Btu/hr. Air flow around and through following equation: the burner will be 60,000 scfm.
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Page 6: Start-Up And Adjustment
3.0 Duct Design and Burner Mounting Profile Plate & Duct Design See Figure 5 for typical profile plate and duct designs. Valve Train Support Support valve trains independently of the burner. Gas Piping Use flexible nipples to allow for thermal expansion of the burner. Check Valve Piping Gas flow through the check valve must be horizontal. -
Page 7: Routine Maintenance
4.0 Start-Up And Adjustment (continued) Set Gas Flow Measure the gas differential pressure as shown in Figure 7. With the gas control valve at low fire, open all main gas valves. The burner should light with a stable, blue low fire flame that extends evenly down the burner length. Drive the control valve to high fire and adjust the gas adjusting valve to produce a pressure drop that corresponds to the desired high fire rate, as shown in Figure 7. -
Page 8: Troubleshooting
8. Main flame long and a) Velocity past burner a) Check velocities and a) Open shutter on yellow. lower than 500 FPM. rotation of main makeup air blower. b) Check valve stuck open. circulating fan. b) Clean check valve. ECLIPSE COMBUSTION Litho In U.S.A.
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