Honeywell ML7999A, ML7999B 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. The actuator includes a precision feedback potentiometer and integral power supply. The ML7999A Actuator is part of the ControLinks® Fuel Air Control System, and must be used with the R7999 Fuel Air Controller
• Password protected with an eight-digit hexadecimal identification signal.
• Separate wiring compartment between line voltage power wiring and low voltage control.
• Couples directly to a 1/2 in. (13 mm) shaft with no additional parts required.
• Couples directly to 5/16 in. (8 mm) and 3/8 in. (9 mm) shafts using available self-centering shaft reduction accessories.
• Shaft coupler assembly available for shafts larger than 1/2 in.
• Bracket Accessory Kit available for mounting to Honeywell V51 Butterfly Gas Valves.
• NEMA 2.
• IP54 with weatherproof kit (see Accessories)
Select a link under the "item" tab below to order.
| Cat # | Frequency | Descriptions | Electrical Ratings |
| ML7999A2001 | 50 Hz; 60 Hz | Universal Parallel-Positioning Actuator. Medium torque electronic actuator with a precision feedback potentiometer and integral power supply capable of direct line voltage connection. Must be used with a Series 2 R7999. | 15VA; 100 to 240 Vac |
| ML7999B1002 | 50 Hz; 60 Hz | Universal Parallel-Positioning Actuator. Medium torque electronic actuator with a precision feedback potentiometer and integral power supply capable of direct line voltage connection. | 15VA; 100 to 240 Vac |
| Vibration: | 0.0 to 0.5g continuous | ||
| Ambient Temperature Range: | -40 F to +140 F (-40 C to +60 C) | ||
| Storage Temperature Range: | -40 F to +150 F (-40 C to +65 C) | ||
| Operating Humidity Range (% RH): | 5 to 95% RH, non-condensing | ||
| Approvals: | |||
| Canadian Standards Association: | Certified CE: Certified | ||
| Underwriters Laboratories Inc. | Meets UL873 | ||
