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Honeywell ML6284 Product Data
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Honeywell ML6284 Product Data

Honeywell ML6284 Product Data

Non-spring return direct coupled damper actuator
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APPLICATION
The ML6284 Non-Spring Return Direct Coupled Damper
Actuator provides single pole double throw (spdt) floating
control of dampers in heating, ventilation, and air conditioning
(HVAC) applications. The actuator has an internal,
electrically isolated feedback potentiometer that can be used
to provide indication of the motor output hub position or
control a slave Series 90 actuator.
® U.S. Registered Trademark
© 2004 Honeywell International Inc.
All Rights Reserved
Direct Coupled Damper Actuator
Non-Spring Return
FEATURES
• Mounts directly on 3/8 in. to 5/8 in. (10 to 17 mm) round
and square and 3/4 in. (19 mm) round damper shafts by
using the appropriate insert. Most models are shipped
with 1/2 in. insert.
• Provides 150 lb-in. (17 N•m) running torque.
• Magnetic coupling eliminates the need for mechanical
stops or limit switch adjustments by limiting stall
torque to 250 lb-in. (28.3 N•m) maximum.
• 95° stroke provides necessary compression of
rubber/neoprene gaskets commonly used on 90° low
leakage dampers.
• Manual clutch allows for manual adjustment.
• 92-second synchronous timing can eliminate need for
feedback position indication in closed-loop
temperature control applications.
• Removable splined output hub permits premounting of
hub on damper shaft, providing installation flexibility.
• Designed for both single-point and three-point
mounting, to allow installation flexibility.
• Available with or without a time-out feature. Models
without the time-out feature are designed to be used
with intelligent building management system and/or
controller.
• Standard models have two 8 mm by 12 mm long set
screws for securing the damper shaft. Actuator models
available for various shaft sizes that allow damper
shaft to operate centered inside the output hub.
Application ........................................................................
Features ...........................................................................
Specifications ...................................................................
POUR COMMANDER ......................................................
French
Installation ........................................................................
Operation ..........................................................................
Checkout ..........................................................................
ML6284
PRODUCT DATA
Contents
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63-2505

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Summary of Contents for Honeywell ML6284

  • Page 1 • Available with or without a time-out feature. Models without the time-out feature are designed to be used with intelligent building management system and/or The ML6284 Non-Spring Return Direct Coupled Damper controller. Actuator provides single pole double throw (spdt) floating •...

  • Page 2: Specifications

    If you have additional questions, need further information, or would like to comment on our products or services, please write or phone: 1. Your local Honeywell Automation and Control Products Sales Office (check white pages of your phone directory). 2. Honeywell Customer Care...
  • Page 3 1/2 (13) 2-1/2 (63) 3-5/16 (84) REMOVABLE RETAINING RING FOR REMOVAL OF HUB SLEEVE 4-1/2 (114) 5 (127) M7618B 6 (152) Fig. 1. Approximate dimensions of ML6284 Non-Spring Return Direct Coupled Damper Actuator and mounting bracket in in. (mm). 63-2505...
  • Page 4 When Installing this Product… avoid excessive strain on the output gear. Most ML6284 Actuators are shipped with a 1/2 in. hub insert. For field use, 1. Read instructions carefully. Failure to follow them could two hub insert sizes are available.
  • Page 5 All wiring must comply with local electrical codes, ordinances gear housing slots and the adapter bracket. Two screws are and regulations. The ML6284 is designed for use with a Class secured through the two front gear housing slots and the 2 power supply.
  • Page 6 Fig. 3. Mounting hub to inside of actuator. IMPORTANT IMPORTANT The ML6284 can operate with DDC controller that Actuators driving in parallel may not be synchronized emulates an spdt break-before-make switch. Do not with each other. In normal operation, when all short-cycle the actuator.
  • Page 7 SWITCHES SHOWN AT ACTUATOR (CCW) M7877A CLOSED POSITION. TO JUNCTION BOX (UP TO MOUNTING 3 FT AWAY) BRACKET Fig. 7. ML6284 Actuator wiring for auxiliary switches. M7874 ML6284A,C Fig. 4. ML6284 Actuator typical mechanical connection. CONTROLLER BLUE YELLOW ML6284A,C BLUE...
  • Page 8 Installation section. Make sure the actuator and mounting bracket do not bind. Make sure the actuator and damper are both at the same end stop Perform the following steps to checkout the ML6284 (clockwise or counterclockwise ) when they Non-Spring Return Direct Coupled Damper Actuator.