Honeywell ML4105- Manual
Honeywell ML4105– Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 4 – INSTALLATION; WARNING; Location and Mounting; CAUTION; Preparation
- Page 5 – Installation; Wiring
- Page 6 – OPERATION; Cycling; CHECKOUT
PRODUCT DATA
® U.S. Registered Trademark
Copyright © 2003 Honeywell International Inc.
All Rights Reserved
N314
63-2540-9
ML4105, ML4115, ML8105, ML8115
Fast-Acting, Two-Position Actuators
FOR FIRE/SMOKE CONTROL APPLICATIONS
APPLICATION
The ML4105, ML4115, ML8105, and ML8115 Fast-Acting,
Two-Position Actuators are spring return direct coupled
actuators (DCA) with an integral junction box for on/off
damper control. The actuator accepts an on/off signal from a
single-pole, single-throw (spst) controller. Models are
available with clockwise (cw) or counterclockwise (ccw) spring
return and are designed to operate reliably in smoke control
systems requiring Underwriter’s Laboratories Inc. UL555S
ratings up to 350°F.
FEATURES
• 30 lb-in. (3.4 N•m) or 50 lb-in. (5.7 N•m) minimum
driving torque at 350°F (176°C).
• Integral spring return ensures level of return torque.
• Fifteen-second spring return timing.
• No special cycling required during long-term holding.
• No audible noise during holding.
• Patent pending design eliminates need for limit
switches to reduce power consumption.
• Models available for 24, 120, and 230 Vac.
• Ninety-five degree angle of rotation.
• Actuator holds rated torque at reduced power level.
• Die-cast aluminum housing.
• Housing design allows flush mounting to damper.
• Integral junction box with three conduit openings
eliminates need for separate wiring box.
• High-temperature indicator included.
APPLICABLE LITERATURE
— Motor/Actuator Selection Guide
for Damper Applications
63-8419
— Engineering Manual of Automatic Control
(also called The Gray Manual)
77-1100
— Direct Coupled Actuator
Quick Selection Guide
63-8553
— Damper Torque Calculator
63-8437
Contents
Application ........................................................................
Features ...........................................................................
Applicable Literature .........................................................
Specifications ...................................................................
Ordering Information ........................................................
Installation ........................................................................
Operation ..........................................................................
Checkout ..........................................................................
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Summary
ML4105, ML4115, ML8105, ML8115 FAST-ACTING, TWO-POSITION ACTUATORS 63-2540—9 4 INSTALLATION When Installing this Product... 1. Read these instructions carefully. Failure to follow them could damage the product or cause a hazardous condition. 2. Check the ratings given in the instructions and on the ...
ML4105, ML4115, ML8105, ML8115 FAST-ACTING, TWO-POSITION ACTUATORS 5 63-2540—9 Installation CAUTION Device Malfunction Hazard. Improper set screw tightening causes device malfunction. Tighten set screws with proper torque to prevent damper shaft slippage. CAUTION Actuator Damage Hazard. Using actuat...
ML4105, ML4115, ML8105, ML8115 FAST-ACTING, TWO-POSITION ACTUATORS 63-2540—9 6 OPERATION The ML4105, ML4115, ML8105, and ML8115 DCA are designed for use in Smoke Control Systems. If power fails, the actuator spring returns to the 0° position. The actuator mounts flush with the damper box. The actuat...
