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Eclipse AirHeat v1.0 - Installation Guide No. 140, 11/4/03
Specifications
Input: 1,000,000 Btu/hr. per lineal foot (962 kW/m).
Fuels: Natural gas or 100% propane vapor. Call Eclipse for information on using other fu-
els.
Gas Turndown: 40:1
Pilot Input: Approximately 25,000 Btu/hr. (7.3 kW)
Gas Inlet Pressure: 800,000 Btu/hr/ft. (769 kW/m): Nat. Gas: 2.2" w.c. 5.5 mbar
Propane: 0.9" w.c. 2.2 mbar
1,000,000 Btu/hr/ft. (962 kW/m): Nat. Gas: 3.5" w.c. 8.7 mbar
Propane: 1.3" w.c. 3.2 mbar
Gas pressure shown is a differential measured between the gas inlet and a tap on
the duct wall 10" to 20" (254 to 508 mm) downstream of the burner.
Ambient Temp. Limits*: –40°
to +104° F –40° to +40° C
Downstream Temp. Limits: 1500° F 815° C
Flame Length**: 800,000 Btu/hr. (769 kW/m): 28" 0.71 m
1,000,000 Btu/hr. (962 kW/m): 46" 1.17 m
Piloting: Integral spark-ignited pilot; ignition plug included.
Flame Monitoring: Flame rod supplied. UV scanner adaptors are available. For UV scanners, Eclipse
recommends a flame monitoring system that terminates the ignition spark and
proves the pilot flame without spark prior to opening the main gas valves.
CGA requires two flame rods on burners over 36" long (914 mm). Use a flame
monitoring endplate (see Data 140-6) to mount a second flame rod on the end op-
posite the gas inlet.
Motor: Standard: 230/460/3/60 TEFC. Other motors can be supplied.
Materials: All portions of the burner exposed to flame are cast iron or #321 stainless steel.
Emissions:
Emissions performance depends not only on the burner,
but also other factors such as chamber temperature, chamber design, and heat load-
ing. 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.
Models: Model Description Data Sheet
AH Line-shape, blower mounted on rear Data 140-1
DAH Line-shape, blower mounted on bottom Data 140-2
TAH “I”-shape, blower mounted on rear Data 140-3
CAH Cross-shape, blower mounted on rear Data 140-4
Related Information: Blower and motor specifications Data 140-5
* Based on blower motor limitations.
** Based on parallel air flow. If mounted in a cross flow, then flame will be shorter.
CAUTION: It is dangerous to use any fuel burning equipment unless it is equipped with suitable flame sensing de-
vices and automatic fuel shut-off valves. Eclipse can supply such equipment or information on alternate sources.