Honeywell ML7999A User Manual

PRODUCT DATA
65-0239-2
® U.S. Registered Trademark
Copyright © 2003 Honeywell International Inc.
All Rights Reserved
ML7999A
Universal Parallel-Positioning Actuator
APPLICATION
ML7999A 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 capable of direct line voltage connection. The
ML7999A Actuator is part of the ControLinks™ Control
System, and must be used with the R7999 ControLinks™
Controller.
FEATURES
• Universal power supply input.
• Password protected with an eight-digit hexadecimal
identification signal.
• 100 lb-in. (11.3 Nm) torque.
• Includes integral position feedback potentiometer.
• Separate wiring compartment between line voltage
power wiring and low voltage control.
• Direct coupling shaft interface mounting.
• 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.
• Visual indication of actuator position.
Contents
Application ........................................................................ 1
Features ........................................................................... 1
Specifications ................................................................... 2
Ordering Information ........................................................ 2
Installation ........................................................................ 3
Wiring ............................................................................... 4
Operation .......................................................................... 5
Checkout And Troubleshooting ........................................ 5

Honeywell ML7999A Specifications

General

Brand	Honeywell
Model	ML7999A
Category	Controller
Language	English