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AH, Front View
Data 140-1
DAH, Blower Down
Data 140-2
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 explo-
sions and fires when improperly applied, installed,
adjusted, controlled, or maintained. This Guide will
provide information for using these burners for their
limited design purpose. Do not deviate from any in-
ECLIPSE AIR HEAT BURNERS
Series "AH", "DAH", "TAH" & "CAH"
U.S. Reissue Pat. No. 26,244 Canadian Pat. No. 743,782
WARNING
TAH
Data 140-3
structions or application limits in this Guide without
written advice from the Eclipse Combustion Division
in Rockford, Illinois. Read this entire Guide before at-
tempting 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 140
11/4/03
AH, Back View
Data 140-1
CAH
Data 140-4
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Related Manuals for Eclipse Combustion AH
Summary of Contents for Eclipse Combustion AH
- Page 1 ECLIPSE AIR HEAT BURNERS Series “AH”, “DAH”, “TAH” & “CAH” U.S. Reissue Pat. No. 26,244 Canadian Pat. No. 743,782 AH, Front View Data 140-1 DAH, Blower Down Data 140-2 The burners covered in this Guide are designed to mix fuel with air and burn the resulting mixture. All...
- Page 2 Applications include ovens, dryers, fume incinerators, and similar industrial equipment. The “AH” models feature an integral combustion air blower mounted on the back of the burner’s steel case. By supplying the correct air volume and pressure to the burner, the blower allows stable operation over a wide range of duct veloci- ties without installing a profile plate around the burner.
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Page 3: Specifications
For estimates of emissions performance in your application, call Eclipse. Packaging Options: Available with complete valve trains and control systems. AH burners and systems can be supplied mounted on duct sections as specified by the customer. Call Eclipse for information on custom packaged systems. - Page 4 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" downstream of the burner. This will allow the regulators to maintain a constant supply pressure to the burner regardless of varying pressures in the duct.
- Page 5 In-Duct Min./Max. Velocity: 500 to 6000 fpm 2.54 to 30.48 m/s Optimum Velocity: 1000 to 4000 fpm 5.08 to 20.32 m/s • Provide at least 3" (76 mm) clear- ance between burner and top, bot- tom and sides of the duct. •...
- Page 6 The mounting flange or brackets supplied with an AH burner are capable of sup- porting the weight of the burner and blower. The AH burner case itself is de- signed to support the weight of the blower, so the blower does not require inde- pendent support.
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Page 7: Routine Maintenance
Start-Up And Adjustment Set Air Pressure Drop Measure the air pressure drop across the burner as shown in Figure 7. Turn the disc on the blower air inlet until the air pressure drop is between 0.4" w.c. minimum and 1.0" w.c. maximum. For a given input, lower air pressure drops will produce a longer flame, and higher drops will produce a shorter flame. - Page 8 Trouble-Shooting Symptom 1. Burner does not a) Air pressure switches start initially. b) Faulty pressure 2. Burner kicks out a) Low gas pressure shortly after start-up. 3. Pilot will not ignite on a) Raw gas fed into pilot initial light-off. 4.
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