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Fuel/Air Ratio System

Unique and cost effective solutions for improved control of combustion with greater accuracy.

R7999

R7999

The R7999 ControLinks™ controls ML7999 Actuators to controls Fuel and Air supply to a burner to maintain optimum combustion throughout its firing rate curve.

ML7999A

ML7999A

Honeywell ML7999A actuator, part of the ControLinks™ Fuel Air Control System, provides 100 lb-in. torque, pulse-width-modulating control of combustion air dampers, butterfly gas valves, oil modulation valves and flue gas recirculation.

ML7999B

ML7999B

Honeywell ML7999B universal direct coupled actuator provides 100 lb-in. torque, 4 to 20 mA control input to control combustion air dampers and modulation valves. Includes precision drive shaft control and integral power supply.

R7999C

R7999C

The R7999C, with one communications port, provides communications capabilities similar to those found in the 7800 SERIES controls.

ML7999C

ML7999C

ML7999C Universal Parallel-Positioning Actuator provides 100 lb-in. torque, pulse-width-modulating (PWM) control of combustion air dampers, butterfly gas valves, oil modulation valves, and flue gas recirculation systems.

Q7999

Q7999

Provides terminals for field wiring for the R7999A ControLinks™ Fuel Air Controller. Terminals on the R7999A,B Controller engage the Q7999 contacts to make electrical connections. The Q7999A Subbase is panel-mounted.

ZM7999

ZM7999

"The ZM7999 Software Configuration Tool reduces burner setup time by letting you create an R7999 Controlinks burner modulation curve. The software assists you through the commissioning process and when it's complete, you can monitor the system real-time. "