KMC Controls MEP-4201 Manuel utilisateur

MEP-4201/4501/4901 1 Installation Guide

Installation Guide

Tri-State/Two-Position Actuators (25/45/90 in-lb.)

MEP-4201/4501/4901

Mounting 1

Wiring 2

Maintenance 2

More Information 2

Mounting

Illustration 1—Overview (Direct-Coupled Mounting)

1. Ensure the damper can move freely through its

entire range of motion, and x any binding before

installing the actuator. Turn the damper blade to

its fully closed position.

2. Press (to the right) and hold the gear disengage-

ment lever (see Illustration 1), rotate the actuator

to the fully closed position, and release the lever.

NOTE: Depending on the damper-seal design,

backing the actuator o its stop

approximately 5° may provide tight

damper shut-o.

3. Align the actuator and slide it onto the shaft.

4. Leaving a gap between the actuator and

mounting surface to prevent any binding, nger-

tighten the nuts on the V-bolt.

5. Insert the provided (HMO-4001/4002, dependent

on model) non-rotation bracket into the slot at the

base of the actuator and secure the non-rotation

bracket with two #8 or #10 self-tapping screws.

6. Evenly tighten the V-bolt nuts (30–35 in-lbs.

on MEP-4201 model or 60–70 in-lbs. on MEP-

4501/4901).

7. If desired, use a 7/64-inch hex key wrench to

loosen and position the end-stop screw.

NOTE: The two holes at the top of the actuator

are NOT for use in direct-coupled

applications. (They are for remote

mounting, such as with the optional

HLO-4001 Crank Arm Kit.) For mounting

to valves, see the appropriate valve

installation guide.

Gear

Disengagement

Lever

HMO-4002

Non-Rotation

Bracket

Mounting

Surface

1.625

(41.3)

6.000

(152.4)

3.406

(86.5)

Adjustable

Stop

° Rotation

Indicators

1.563

(39.7)

2.812

(71.4)

Gear

Disengagement

Lever

Removeable Conduit Fitting with

(2)1/2" NPS Threaded Holes (for

use with flexible conduit only)

HMO-4001 Non-Rotation “T”

Bracket included with MEP-4901

HMO-4002 Non-Rotation

Bracket included with

MEP-4201& MEP-4501

MEP-4201/4501/4901 2 Installation Guide

Power/Signal

Terminal Block

(Under Conduit Fitting)

Selector

Switches Illustration 5—Tri-State Floating Point Control

Illustration 3—Two-Position Control, CCW Leg

Illustration 4—Two-Position Control, CW Leg

Wiring

To wire the actuator:

1. Loosen the screw on the conduit ing and lift up

to remove the ing.

2. Using a utility knife or drill, cut the red plug

to accept wiring or replace the plug with an

application-specic ing.

NOTE: The red plug (or similar ing) protects

internal components from debris, helping

to ensure long actuator life.

3. Thread wires through the plugged opening and

connect to the terminal block according to the

relevant application. Adjust the selector switch.

See Illustrations 3 through 5.

4. Reinstall the conduit ing and tighten the screw.

Illustration 2—Wiring Compartment

KMC Controls, Inc.

19476 Industrial Drive

New Paris, IN 46553

574.831.5250

www.kmccontrols.com

[email protected]

Maintenance

No routine maintenance is required. Careful

installation will ensure long term reliability and

performance.

More Information

For models, specications,

and additional information,

see the MEP-4201/4501/4901

Data Sheet on the KMC

web site.

For accessories, trouble-

shooting, torque selection,

links to sample applica-

tions, and other informa-

tion, see the MEP-4xxx

Applications Guide on the

KMC web site.

–Power Supply

24VAC/VDC

CCW

COM

~/+

–

Switch Position

1 2

–Power Supply

24VAC/VDC

Contact Position:

Closed = CCW Rotation

CCW

COM

~/+

Open = CW Rotation

Switch Position

1 2

–Power Supply

24VAC/VDC

Contact Position:

Closed = CW Rotation

CCW

COM

~/+

Open = CCW Rotation

Switch Position

1 2

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