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Honeywell ML6131 Product Data
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Honeywell ML6131 Product Data

Honeywell ML6131 Product Data

Direct coupled actuator
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APPLICATION

The ML6131 Direct Coupled Actuator (DCA) is used to control
dampers in applications such as variable air volume (VAV)
terminal units. It is suitable for use with single pole double
throw (spdt) floating thermostats or two-position control
systems.
® U.S. Registered Trademark
Copyright © 2000 Honeywell Inc. • All Rights Reserved
Direct Coupled Actuator

FEATURES

• Mounts directly on damper shaft.
• 6 lb-in. torque.
• Selectable 45°, 60°, and 90° stroke in either clockwise
(cw) or counterclockwise (ccw) directions.
• 15 second timing model suitable for use with pressure
independent VAV systems.
• Magnetic coupling typically provides a maximum of
18 lb-in. stall torque eliminating the need for
mechanical stops or limit switch adjustments.
• Two field-addable auxiliary switches.
• Field-addable auxiliary feedback potentiometer.
• Models available with 0° to 30° minimum position
adjustment in cw or ccw directions.
• Compatible for use with Honeywell W7620 Terminal
Unit Controller.
• Can be used with the Commercial Zone Damper in the
W7600 Commercial Zone System.
• Manual declutch on some models.
Application ........................................................................
Features ...........................................................................
Specifications ...................................................................
Ordering Information ........................................................
Installation ........................................................................
Operation ..........................................................................
Checkout ..........................................................................
®
ML6131
PRODUCT DATA
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63- 2498- 2

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Summary of Contents for Honeywell ML6131

  • Page 1: Table Of Contents

    APPLICATION The ML6131 Direct Coupled Actuator (DCA) is used to control dampers in applications such as variable air volume (VAV) terminal units. It is suitable for use with single pole double throw (spdt) floating thermostats or two-position control systems. ® U.S. Registered Trademark Copyright ©...

  • Page 2: Specifications

    Honeywell Inc., 1885 Douglas Drive North Minneapolis, Minnesota 55422-4386 In Canada—Honeywell Limited/Honeywell Limitée, 155 Gordon Baker Road, North York, Ontario M2H 3N7. International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.

  • Page 3: Installation

    4-1/4 (108) 11/16 (18) 3-3/8 (86) Fig. 1. Approximate dimensions of ML6131 Direct Coupled Actuator in in. (mm). INSTALLATION When Installing this Product... 1. Read these instructions carefully. Failure to follow them could damage the product or cause a hazardous condition.
  • Page 4 ML6131 DIRECT COUPLED ACTUATOR Preparation Before mounting the actuator onto the shaft, determine the following: 1. Size of the shaft (3/8 in. to 1/2 in.). 2. Direction the shaft rotates to open the device (cw or ccw). See Fig. 3.
  • Page 5 Fig. 7. Lifting a range stop pin out of its slot. Minimum Position Setscrew Certain ML6131 models are equipped with two tapped holes located in the plastic housing at the top of the actuator. These holes can be used with the minimum position setscrew and locknut inside the 4074ENJ Bag Assembly (see Fig.
  • Page 6 (HOT) POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. AUXILIARY SWITCHES ARE REQUIRED TO TURN OFF THE MOTOR AT EACH END OF THE STROKE. Fig. 9. ML6131 used with T87F in heating-only or cooling-only application. (HOT) SPDT CONTROL...
  • Page 7 500 OR 2000 OHMS 24V (COM-CCW) AUXILIARY POTENTIOMETER LEADS MOTOR ROTATION RW OHMS INCREASE DECREASE FIELD-ADDABLE AUXILIARY POTENTIOMETER Fig. 11. ML6131 with field-addable potentiometer. RESISTANCE 500 OR 2000 OHMS 0 OHMS RB OHMS DECREASE INCREASE C O M C C W M10251B 63-2498—2...

  • Page 8: Operation

    3. If the actuator does not run in either direction, replace the ML6131. In the event the ML6131 is used with a spdt floating wall thermostat (pressure dependent systems): 1. Adjust the setpoint of the thermostat to call for cooling.