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63-2483—2

2

ML6185

SPECIFICATIONS • ORDERING INFORMATION

Specifications

MODELS: ML6185 Spring Return Direct Coupled Rotary

Actuators.

ML6185A: Medium Torque (50 lb-in.) Direct Coupled

Rotary Actuator without auxiliary switches and
without time-out function.

ML6185C: Medium Torque (50 lb-in.) Direct Coupled

Rotary Actuator with two line voltage rated aux-
iliary switches, without time-out function.

ML6185D: Medium Torque (50 lb-in.) Direct Coupled

Rotary Actuator without auxiliary switches and
with time-out function.

ML6185F: Medium Torque (50 lb-in.) Direct Coupled

Rotary Actuator with two line voltage auxiliary
switches and time-out function.

ELECTRICAL RATINGS:

Power Input: 24 Vac 

±

 20%, 50/60 Hz.

Power Consumption:

ML6185A-C: 12 VA maximum at 24 Vac.
ML6185D,F: 12 VA maximum at 24 Vac.

Auxiliary Switch Ratings: 120, 240 Vac: 3 AFL, 18 ALR,

1A pilot duty.
Control: Standard models include nonplenum UL/

CSA rated, 30V, 60

°

C, 20 gauge cable.

Auxiliary Switch: UL/CSA rated 300V 90

°

C, 18

gauge.

TORQUE RATINGS (at Rated Voltages):

Lift and Hold: 50 lb-in. (6 N•m).
Breakaway Minimum: 50 lb-in. (6 N•m).
Stall Minimum: 50 lb-in. (6 N•m) spring return.

Stall Driving Maximum: 130 lb-in. (15 N•m).

ACTUATOR STROKE: 95

°

 Nominal 

±

 2

°

, mechanically

limited.

ACTUATOR TIMING at 90

°

 Stroke:

88 +/- 2 seconds synchronous at 60 Hz from 0

°

F to

140

°

F;

106 +/- 2 seconds at 50 Hz;
100 seconds at -30

°

F.

Spring Wind Timing (Upon Power Restoration Only):

100 seconds nominal at 60 Hz, 120 seconds at 50 Hz.

Spring Return Timing:

10 seconds minimum per 90

°

 at 72

°

F no load;

30 seconds maximum per 90

°

 at 72

°

F at rated load;

5 minutes maximum at -30

°

F at rated load.

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.
MOUNTING: Mounts directly on horizontal 3/8 in. to

5/8 in. (12 to 16 mm) round or square damper shaft.
Minimum shaft length required: 3.5 in. (76 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.

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, or specify:

1. Model number.
2. Application.

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 Home and Building Control Sales Office (check white pages of your phone directory).
2. Home and Building Control Customer Logistics

Honeywell Inc., 1885 Douglas Drive North,
Minneapolis, Minnesota 55422-4386 (612) 951-1000

In Canada—Honeywell Limited/Limitée, 740 Ellesmere Road, Scarborough, Ontario M1P 2V9. International Sales and Service
offices in all principal cities of the world.

Summary of Contents for ML6185

Page 1: ...onindicationinclosed looptem perature control applications Removablesplinedoutputhubpermitspremounting ofthehubonthedampershaft providinginstallation flexibility Reversible mounting allows actuator to be used for either clockwise cw or counterclockwise ccw spring rotation Designedforbothsingle pointandthree pointmount ing providing installation flexibility Availablewithorwithoutatime outfeature Mo...

Page 2: ...z 120 seconds at 50 Hz Spring Return Timing 10 seconds minimum per 90 at 72 F no load 30 seconds maximum per 90 at 72 F at rated load 5 minutes maximum at 30 F at rated load 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 5to95 percentrelativehumidity noncondensing MOUNTING Mounts directly on horizontal 3 8 in to 5 8 in 12 to 16 mm round...

Page 3: ... in in mm M8257 135o 15o 1 3 32 28 1 13 32 36 5 16 8 13 32 10 10 13 32 264 3 4 19 1 5 8 41 1 13 32 36 4 13 32 112 3 8 10 CLEARANCE REQUIRED FOR SPLINED HUB MOUNTING 1 5 32 29 3 1 2 89 13 64 5 MOUNTING BRACKET 1 2 13 1 9 32 32 3 15 16 100 23 32 18 8 9 32 210 3 29 32 99 1 21 32 42 1 5 8 41 3 29 32 99 3 1 16 79 1 17 32 39 6 25 32 173 ...

Page 4: ...n that allows enough clear ance for mounting accessories and for servicing MOUNTING The ML6185 Direct Coupled Actuator is designed to operate a damper by driving the damper shaft either cw or ccw depending on damper design All actuators are shipped in the fully closed position The ML6185 Direct Coupled Actuator is designed for single pointmountingwhenusinganadapterbracket Single pointmountingistyp...

Page 5: ...ar Most ML6185 Actuators are shipped with a 1 2 in hub sleeve For field use several hub sleeve sizes are available See the Accessories listing in the Specifications section Shaft sizes are stamped on the sleeves The ML6185 Direct Coupled Actuator can be mounted directly on the motor shaft with the actuator in any position when the actuator housing is parallel with the damper housing or frame See F...

Page 6: ... are shown in Fig 4 through 7 30 30 0 60 60 90 M7230A INDICATOR DETENTS 1 1 COUNTER CLOCKWISE SPRING ROTATION ARROW Fig 4 ML6185 Actuator mounted for counterclockwise spring rotation with the output hub inside the actuator NOTE NEMA rating applies only with damper shaft in the horizontal position ...

Page 7: ...7 63 2483 2 ML6185 INSTALLATION Fig 5 Standard direct coupled mounting of ML6185 to a damper with counterclockwise spring rotation 500 5 0 0 30 30 60 60 90 M7229 ...

Page 8: ...ith a water seal in the conduit opening When conduit is needed remove the seal before routing the cable ML6185 models with Factory mounted Auxiliary Switches See Fig 9 ML6185C F models have two nonadjustable line volt age rated spdt auxiliary switches with switches factory set to make common to normally open at 12 and 82 rotation from the counterclockwise stop See Fig 9 IMPORTANT Actuators driving...

Page 9: ... to provide 7500 springreturns therefore theactuatorcanbeunpowered daily for night shutdown control However rapidly cycling the actuator by removing control voltage will lead to premature spring failure Operation L1 HOT L2 1 1 BLUE YELLOW RED BLACK ML6185 BLUE YELLOW RED BLACK ML6185 M7225A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED CONTROLLER CONTROLLER R B W R B W ...

Page 10: ...NDICATOR START POSITIONS FULLY CLOCKWISE SPRING RETURN INDICATOR START POSITIONS DRIVE CLOCKWISE TO CLOSE REVERSE ACTING DRIVE COUNTERCLOCKWISE TO CLOSE REVERSE ACTING DRIVE COUNTERCLOCKWISE TO OPEN DIRECT ACTING DRIVE CLOCKWISE TO OPEN DIRECT ACTING M7235 DETENT IN INSERT DETENT IN INSERT DETENT IN INSERT DETENT IN INSERT POINTER AT 90 POINTER AT 90 POINTER AT 0 POINTER AT 0 M7235B ...

Page 11: ...tuator spring is fully wound and locked by applying power for at least 100 seconds 4 Connect 24 Vac to the appropriate leadwires red to blue or red to yellow to move the damper to the opposite position The ML6185 should drive the damper 5 If the actuator does not run verify that the actuator is properly installed for either cw or ccw rotation 6 If the actuator operates in the opposite direction th...

Page 12: ...rol Home and Building Control Helping You Control Your World Honeywell Inc Honeywell Limited Honeywell Limitée 1985 Douglas Drive North 740 Ellesmere Road Golden Valley MN 55422 Scarborough Ontario M1P 2V9 Printed in U S A QUALITY IS KEY ...

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