Honeywell ML4105 User Manual
ML4105, ML4115, ML8105, ML8115
Fast-Acting, Two-Position Actuators
FOR FIRE/SMOKE CONTROL APPLICATIONS
PRODUCT DATA
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.
(See Operation section.)
• 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.
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.
® U.S. Registered Trademark
Copyright © 2003 Honeywell International Inc.
All Rights Reserved
N314
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 ........................................................................ 1
Features ........................................................................... 1
Applicable Literature ......................................................... 1
Specifications ................................................................... 2
Ordering Information ........................................................ 2
Installation ........................................................................ 4
Operation .......................................................................... 6
Checkout .......................................................................... 6
63-2540-9
ML4105, ML4115, ML8105, ML8115 FAST-ACTING, TWO-POSITION ACTUATORS
SPECIFICATIONS
Models: See Table 1.
Dimensions: See Fig. 1.
Minimum Damper Shaft Length: 1-3/4 in. (45 mm).
Device Weight: 5 lb (2.3 kg).
Stroke: 95° ± 3°, mechanically limited.
Electrical Ratings: See Table 1.
Electrical Connections:
ML4105A,B, ML4115A,B, ML8105, ML8115: Two color coded
16 in. leads; includes ground screw.
ML4105C1008, ML4105D1007: Terminal block and ground
screw with option for connecting thermal switch.
ML4105C1016, ML4105D1015, ML4115C,D: 1m appliance
cable.
Three 7/8 in. holes for conduit connections (fittings not
included).
Mounting: 3/8 to 1/2 in. square or round damper shafts.
Actuator can be mounted with shaft in any position. Secure
hub to shaft with:
ML4105A,B, ML8105: Four 1/4-28 UNF set screws. Use
1/8 in. Allen wrench to tighten set screws.
ML4105C,D: Four 3 mm set screws. Use 3 mm Allen
wrench to tighten set screws.
ML4115, ML8115: Two 1/4-28 UNF set screws. Use 1/8 in.
Allen wrench to tighten set screws.
IMPORTANT
Honeywell does not recommend using linkages with
these actuators because side-loading of the output
hub reduces actuator life.
Temperature Ratings:
Ambient: 0°F to 130°F (-18°C to 55°C).
Shipping and Storage: -40°F to 140°F (-40°C to 60°C).
IMPORTANT
The actuator is designed to meet UL555S standards
at 350°F (176°C). The actuator must be tested with
the damper to achieve this rating.
Humidity Ratings: 5% to 95% RH noncondensing.
Noise Rating (Maximum):
Driving Open: 65 dBA at 1m.
Holding: 20 dBA at 1m (no audible noise).
Controller Type:
ML4105A,B, ML4115A,B: Line voltage (120 Vac),
two-position, spst (Series 40).
ML4105C,D, ML4115C,D: Line voltage (230 Vac),
two-position, spst (Series 40).
ML8105, ML8115: Low voltage (24 Vac),
two-position, spst (Series 80).
Table 1. ML4105, ML4115, ML8105, ML8115 DCA Models.
Spring
Return
Model
ML4105A ccw 0.20A, 18W 0.11A, 9W 50 (5.7) 120 +10%,
ML4105B cw
ML4105C ccw 0.12A, 22W 0.08A, 10W 50 (5.7) 230 ±10%,
ML4105D cw
ML4115A ccw 0.18A, 18W 0.11A, 9W 30 (3.4) 120 ±10%,
ML4115B cw
ML4115C ccw 0.13A, 18W 0.10A, 11W 30 (3.4) 230 ±10%,
ML4115D cw
ML8105A ccw 20 VA 8 VA 50 (5.7) 24
ML8105B cw
ML8115A ccw 16 VA 8 VA 30 (3.4)
ML8115B cw
Torque Rating (at rated voltage):
Typical Holding: 100 lb-in. (11.3 N•m).
Spring Return:
Stall Maximum:
350°F Driving:
Direction
ML4105, ML8105: 40 lb-in. (4.5 N•m).
ML4115, ML8115: 30 lb-in. (3.4 N•m).
ML4105, ML8105: 240 lb-in. (27 N•m).
ML4115, ML8115: 150 lb-in. (17 N•m).
ML4105, ML8105: 50 lb-in. (5.7 N•m).
ML4115, ML8115: 30 lb-in. (3.4 N•m).
Power Consumption Torque
in lb-in.
(N•m)
Voltage
Input
in VacRunning Holding
-15%, 60 Hz
50/60 Hz
60 Hz
50/60 Hz
+20%, -10%,
50/60 Hz
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number.
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
1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9.
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.
63-2540—9 2
ML4105, ML4115, ML8105, ML8115 FAST-ACTING, TWO-POSITION ACTUATORS
Timing (At Rated Torque and Voltage):
Drive Open:
ML4105, ML8105: 15 sec maximum, 14 sec typical.
ML4115: 25 sec maximum, 18 sec typical.
ML8115: 25 sec maximum, 22 sec typical.
Spring Close: 15 seconds.
Cycling Requirements:
Prolonged holding-period (1 year) testing of these actuators
has been performed with no spring return failures. The
actuator and the internal spring are designed to require no
special cycling during long-term holding.
Honeywell recommends following all local, state and national
codes for periodic testing of the entire smoke control
system. Refer to National Fire Protection Association (NFPA)
National Fire Codes®: NFPA90A, NFPA92A and NFPA92B
for your application.
NFPA recommends periodic examination of each fire/smoke
damper (semi-annually or annually) to ensure proper
performance.
Design Life (at Rated Voltage): 60,000 full stroke cycles.
Approvals: See Table 2.
Environmental Protection Ratings: See Table 3.
Accessories:
201391 Shaft Adapter for 3/8 in. shafts (not supplied with
actuator).
205649 Mounting Bracket (not supplied with actuator).
Table 3. Environmental Ratings.
ML4105C1016
ML4105D1015
All Devices
ML4105C1008
ML4105D1007
NEMA1 IP40 IP54
2 (51)
1 (25)
5/8
4 (102)
(17)
6 3/8
(161)
7 1/2
(192)
2 (51) 3 5/16 (84)
7/8 (22)
1
ML4115C,D
1/16 (2)
Table 2. Approvals.
ML4105
C1008,
D1007
C1016,
D1015
ML4115A,B
UL/cUL X X X X
UL873 Plenum
XXXX X
Rating, File No.
E4436; Guide
No. XAPX.
CE X X X
C-TICK X X X
ML4115C,D
ML8105,
ML8115A,B
ML4115/ML8115 HAVE SMALLER
1
HUB WITH TWO SET SCREWS.
ML4105/ML8105 HAVE LONGER
HUB WITH FOUR SET SCREWS.
5 1/8 (129)
Fig. 1. ML4105/ML4115/ML8105/ML8115
dimensional drawing in in. (mm).
M13053A
3 63-2540—9
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