Honeywell ml6284 User Manual

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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.

ML6284: Non-Spring Return Direct Coupled Damper Actua-

tors.

ML6284A: High Torque (150 lb-in.) Direct Coupled Damper 

Actuator without auxiliary switches or time-out function.

ML6284C: High Torque (150 lb-in.) Direct Coupled Damper 

Actuator with two low voltage rated auxiliary switches and 

without time-out function.

ML6284D: High Torque (150 lb-in.) Direct Coupled Damper 

Actuator without auxiliary switches and with time-out 

function.

ML6284F: High Torque (150 lb-in.) Direct Coupled Damper 

Actuator with two low voltage auxiliary switches and with 

time-out function.

Power Input: 24 Vac ± 20%, 50/60 Hz.

Power Consumption:

ML6284A-C: 5 VA maximum at 24 Vac.

ML6284D,F: 6 VA maximum at 24 Vac.

Auxiliary Switch Ratings: 24 Vac, 3 AFL, 18 ALR, 1A Pilot 

Duty.

Feedback Resistor: 500 ohm linear potentiometer.

Control: Standard models include nonplenum UL/CSA rated, 

30V, 60°C, 20 gauge cable.

Auxiliary Switch: UL/CSA rated 300V 90°C, 18 gauge.

Controller Type: Floating, spdt.

Lift and Hold Minimum: 150 lb-in. (17 N•m).

Breakaway Minimum: 150 lb-in. (17 N•m).

Stall Minimum: 150 lb-in. (17 N•m).

Stall Maximum: 250 lb-in. (28.3 N•m).

150 lb-in. from -20°F to +95°F (-29°C to +35°C).

133 lb-in. from 95°F to 140°F (35°C to 60°C).

150 lb-in. from -40°F to -20°F (-40°C to -29°C) (at 24 Vac 

+20% only).

Actuator Stroke: 95° Nominal ± 3°, mechanically limited.

92 ± 2 seconds synchronous at 60 Hz from -4°F to 140°F 

(-20°C to +60°C).

110 ± 2 seconds synchronous at 50 Hz from -4°F to 140°F 

(-20°C to +60°C).

Non synchronous below -4°F (-16°C).

Ambient Temperature Range: -30°F to +140°F (-35°C to 

+60°C).

Storage Temperature:  -30°F to 150°F (-35°C to 65°C).

Humidity:  5 to 95 percent relative humidity, noncondensing.

Mounts directly on horizontal 3/8 in. to 5/8 in. (12 to 17 mm) 

round or square or 3/4 in. (19 mm) round damper shaft. 

Minimum shaft length required: 

• 2.5 in. (64 mm) when the shaft attachment is made on the 

side of the actuator opposite the duct; 

• 0.65 in. (16 mm) when the hub is mounted on the shaft 

before the actuator is installed. 

Most actuators are shipped with specifically sized hubs. Some 

models contain an assembly with assorted hub inserts. 

Mounting bracket is included with most models.

Dimensions: See Fig. 1.

Device Weight:  3.0 lb (1.36 kg).

Noise Rating:  Driving Only: 45 dBA maximum at 1.0m.

Position Indicator: Mounted on actuator hub.

Actuator Design Life:  Full Stroke Cycles:100,000.

Repositions: 2,000,000 minimum.

UL94-5V Enclosure: Plenum rating.

UL873: Low voltage auxiliary switches.

UL Listed: File number E4436, Guide number XAPX.

CSA Listed: File number LR95329-17.