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Uses microprocessor-based technology to control the ML7999 Universal Parallel Positioning Actuators This represents a valueadded replacement of mechanical cam and linkage assembly controlling the relationship between fuel, airflow and flue gas recirculation (if used) on a power burner. The ControLinks Fuel Air Control System consists of the R7999 Fuel Air Controller, Q7999 Wiring Subbase, ML7999 Universal Parallel Positioning Actuator and ZM7999 Configuration Software. The R7999, with one communications port, provides communications capabilities similar to those found in the 7800 SERIES controls.


  • Fast burner setup via PC or laptop
  • Fuel, air, FGR profile download capability
  • Two independent fuel profiles with or without FGR
  • 7 to 24 point profiles
  • Programmable behaviors of all actuators during Purge and Standby
  • Programmable behavior of non-selected fuel actuator
  • Independent light off and minimum modulation positions
  • Wide power voltage input range (100 to 120 Vac, 50/60 Hz. Auto/Manual input
  • Manual mode firing rate input
  • Pluggable controller to wiring subbase
  • Multipurpose communications port
  • Field-configurable device
  • Integrated boiler shock protection algorithms: Water temperature low fire hold
  • Stack temperature low fire hold. FGR and low fire hold
  • Selectable FGR hold based on stack temperature
  • Programmable behavior of FGR actuator during purge
  • Maximum modulation limit capability
  • Remote reset input
  • Automated actuator endpoint seeking process
  • CSD-1 and NFPA acceptable

Product Specifications

50 Hz; 60 Hz
Approvals, Underwriters Laboratories Inc.
Listed: Report No. MH17367
Operating Humidity Range (% RH)
90% RH maximum, non-condensing
200 to 240Vac
Shipping and Storage Temperature Range (F)
-40 F to +140 F
Shipping and Storage Temperature Range (C)
-40 C to +60 C
Approvals, CE
Mark (EN60730-2-5 12)
0.0 to 0.5g continuous
Approvals, Swiss RE
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