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1.0 Burner Operating Parameters & Requirements
WARNING
Chamber Temperatures
Capacities & Pressures
Process Air Velocity
Electrical
Burner Environment
Do not operate Ratiomatic burners with less gas inlet pressure than the
minimum listed in Figure 1.
Lower gas inlet pressures may cause the proportionator to remain fully
open as the burner turns down from high fire, causing excess fuel opera-
tion and the possible accumulation of unburned fuel in the chamber. In
extreme cases, this may cause explosions or fires.
Cast Head & Alloy Firing Tube: 1500° F. maximum. (816° C)
Alloy Head & Refractory Block: 1800° F. maximum. (982° C)
Temperatures shown are for average installations. Depending on conditions,
higher operating temperatures can be obtained. Contact Eclipse for specific in-
formation for your application.
See Figure 1.
3000 fpm (15.24 m/s) maximum past the burner.
Blower Motor: Check motor nameplate ratings.
Control Motor: Check motor nameplate ratings.
Ignition: 6000 volts AC minimum at the ignition plug.
Ambient Temperature Limits: As determined by monitoring and control equip-
ment such as UV scanners, automatic fuel shut-off valves and electrical wiring.
Weather Protection: Protect burners from the weather.
Combustion Air: Must be free of contaminants. Eclipse strongly recommends
use of a combustion air filter to remove airborne particles. If corrosive fumes or
materials are present in the air, supply the blower with fresh, clean air from an
uncontaminated area of the plant.
Room Openings: To admit fresh combustion air from outdoors, provide at least
one square inch of opening in the room for every 4000 Btu/hr (1.2 kW) of burner
firing rate.
Access: Provide access to the burner for inspection and maintenance.
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