3Comr MS40 717X User Manual

MS40-717X Series

DuraDrive™ Series Spring Return

Proportional Actuators

General Instructions

Application

DuraDrive Direct Coupled Actuators are designed to be

used in both damper and valve control applications.

The following general instructions are for damper

applications, refer to the Applicable Literature table for

valve literature.

The MS40-717X series actuators are over the shaft

spring return actuators compatible with 2 to 10 Vdc or

4 to 20 mAdc control signals.

Features

• 150 lb-in (17 N-m) rated torque

• NEMA Type 4 housing (IEC IP56)

• Custom automatic current sensing motor control

provides extended reliability and repeatable timing

• Direct coupled to the damper shaft with dual

industrial hardened universal mounting clamps

• Integral wiring for proportional control by 2 to 10 Vdc

or 4 to 20 mAdc

• Clockwise or counterclockwise spring return is

determined by actuator mounting position

• Accurate 92° travel digitally controlled

• Integral position indication scale

• Rugged die-cast housing

• Oil immersed gear train provides continuous

lubrication

• Integral transformer for high voltage systems

• Rated for operating temperature up to 140 °F

• Five year warranty

• MS40-717x series actuators can be double-

mounted (gang mounting) to accommodate high

torque application requirements (2 to 4 actuators).

• Position feedback signal

With the addition of a 500 Ohm resistor - not in-

cluded

Printed in U.S.A. 1/10

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Minimum Damper Shaft Length,

Standard Damper shaft must be at least 4-5/8" (117 mm) long for standard mounting.

Optional Shorter than standard length shafts require the AM-676 shaft extension

(order separately).

Position Indicator, Scale numbered from 0 to 95°, provided for position indication.

Nominal Damper Area, Actuator sizing should be done in accordance with damper

manufacturer’s specifications.

Direction of Rotation, Clockwise or counterclockwise rotation is determined by

actuator mounting. The zero (0) position on the position indicator is the normal or spring

return position.

Environment

Ambient Temperature Limits:

Shipping & Storage, -40 to 160°F (-40 to 71°C).

Operating, -25 to 140°F (-32 to 60°C).

Humidity: 5 to 95% RH, non-condensing.

Location: NEMA 1. NEMA Type 4 (IEC IP56) with customer supplied water tight conduit

connectors.

Agency Listings

UL 873: Underwriters Laboratories Inc. listed (File # E9429 Category Temperature-

Indicating and Regulating Equipment).

CUL: UL Listed for use in Canada by Underwriters Laboratories. Canadian Standards

C22.2 No. 24-93.

European Community: EMC Directive (2004/188/EC). Low Voltage Directive

(72/23/EEC). See T a ble-1 for specific models.

Australia: This product meets requirements to bear the C-Tick Mark according to the terms

specified by the Communications Authority under the Radiocommunications Act 1992.

Table-1 Model Chart.

Part

Actuator Power Input

Approximate 93° Rotation

Timing in Seconds @ 70° F

(21°C) for Rated Torque

Output Torque Rating

lb.-in. (N-m)

Running Holding

Running

Watts

Number

Voltage

Spring

Powered

Minimum

Maximum Stall

Return

24 Vac ±20% 50 60

22-30 Vdc

5.5

5.0

6.4

7.2

7.8

5.6

4.7

2.5

5.2

9.0

MS40-7173

147

150 (17)^a

545 (61.8)

MS40-7170

MS40-7171

120 Vac ±10%

50 60

8.5

240 Vac ±10%

10.8

Approximate 2% torque derating per 1°F above 122°F in the drive direction.

ACCESSORIES

AM-620

AM-621

AM-703

AM-704

AM-705

AM-706

AM-707

AM-708

AM-751

Remote mount single/dual damper actuator kit

Round damper shaft extension kit (1/2" ID x 1" OD) for dual actuator mounting

Span adjustment

Modulation Interface, converts a PWM to 2 to 10 Vdc

Positioner, remote/minimum positioning

Positioner, flush mount digital position indicator

Digital Indication

Resistor for 500Ω modulating signal conversion

Standard anti-rotation bracket 9" long x 13/16" wide (229 x 21 mm), included with

actuator

AM-752

AM-753

AM-754

Optional anti-rotation bracket 4" long x 1-11/6" wide (102 x 43 mm), for narrow

spaces

Optional universal mounting clamps for 5/8"(16 mm) square shaft, 3/4" and 1"

(19 to 25 mm) round shafts (two per package)

Standard universal mounting clamps for 3/8" to 1/2" (10 to 13 mm) round and

square shafts, two included with actuator

AM-756

AV-607

Metric conduit adaptor M20 x 1.5 to 1/2" NPT (two per package)

Dual mount rack and pinion valve linkage kit for 2-1/2" through 5" VB-8xxx series

valve bodies and 2-1/2" to 4" VB-9xxx series valve bodies except VB-9323

Dual mount rack and pinion valve linkage kit for 6" VB-8xxx series valve bodies and

5" and 6" VB-9xxx series valve bodies except VB-9323

1/2" Sealtight water tight conduit connector (straight)

1/2" Sealtight water tight conduit connector (90°)

1/2" Pipe plug, included with actuator

AV-609

TF-711-02

TF-713-02

X-5521

F-26748-6

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TYPICAL APPLICATIONS (wiring diagrams)

2 to 10 Vdc

MS40-7170

Yellow/Black

Gray

Control

Signal

COM

Position Feedback (-)

Signal 2 to 10 Vdc (+)

Blue

Black

120 Vac

White

Green/Yellow

GRD

1 Unused conduit port must remain plugged with a water

tight pipe plug as shipped from factory to maintain

NEMA Type 4 or IP56 rating.

2 Color coding of wiring on older models (MX40-717x-0-

0-0) manufactured prior to December, 2007, differs

from current models. See Table 4 on page 14. Consult

label on product to confirm wiring codes.

3 Keep AI, COM and AO wiring less than 30 meters

length to meet CE requirements.

Figure-1 Typical MS40-7170 2 to 10 Vdc Wiring Diagram.

4 to 20 mA

MS40-7170

Yellow/Black

Control

Signal

500 Ohm

Gray

COM

Position Feedback (-)

Signal 2 to 10 Vdc (+)

Blue

Black

120 Vac

White

Green/Yellow

GRD

1 Unused conduit port must remain plugged with a water

tight pipe plug as shipped from factory to maintain

NEMA Type 4 or IP56 rating.

2 Color coding of wiring on older models (MX40-717x-0-

0-0) manufactured prior to December, 2007, differs

from current models. See Table 4 on page 14. Consult

label on product to confirm wiring codes.

3 Keep AI, COM and AO wiring less than 30 meters

length to meet CE requirements.

Figure-2 Typical MS40-7170 4 to 20 mA Wiring Diagram.

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2 to 10 Vdc

MS40-7171

Yellow/Black

Gray

Control

Signal

COM

Position Feedback (-)

Signal 2 to 10 Vdc (+)

Blue

Brown

240 Vac

Light Blue

Green/Yellow

GRD

1 Unused conduit port must remain plugged with a water

tight pipe plug as shipped from factory to maintain

NEMA Type 4 or IP56 rating.

2 Color coding of wiring on older models (MX40-717x-0-

0-0) manufactured prior to December, 2007, differs

from current models. See Table 4 on page 14. Consult

label on product to confirm wiring codes.

3 Keep AI, COM and AO wiring less than 30 meters

length to meet CE requirements.

Figure-3 Typical MS40-7171 2 to 10 Vdc Wiring Diagram.

4 to 20 mA

MS40-7171

Yellow/Black

Control

Signal

500 Ohm

Gray

COM

Position Feedback (-)

Signal 2 to 10 Vdc (+)

Blue

Brown

240 Vac

Light Blue

Green/Yellow

GRD

1 Unused conduit port must remain plugged with a water

tight pipe plug as shipped from factory to maintain

NEMA Type 4 or IP56 rating.

2 Color coding of wiring on older models (MX40-717x-0-

0-0) manufactured prior to December, 2007, differs

from current models. See Table 4 on page 14. Consult

label on product to confirm wiring codes.

3 Keep AI, COM and AO wiring less than 30 meters

length to meet CE requirements.

Figure-4 Typical MS40-7171 4 to 20 mA Wiring Diagram.

2 to 10 Vdc

MS40-7173

Yellow/Black

Gray

Control

Signal

COM

Position Feedback (-)

Signal 2 to 10 Vdc (+)

Blue

Transformer

Red 24H (DC+)

24 Vac or 22-30 Vdc

Black

24G (DC-)

GRD

Green/Yellow

1 Unused conduit port must remain plugged with a water

tight pipe plug as shipped from factory to maintain

NEMA Type 4 or IP56 rating.

2 Color coding of wiring on older models (MX40-717x-0-

0-0) manufactured prior to December, 2007, differs

from current models. See Table 4 on page 14. Consult

label on product to confirm wiring codes.

3 Keep AI, COM and AO wiring less than 30 meters

length to meet CE requirements.

Figure-5 Typical MS40-7173 2 to 10 Vdc Wiring Diagram.

F-26748-6

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4 to 20 mA

MS40-7173

Yellow/Black

Control

Signal

500 Ohm

Gray

COM

Position Feedback (-)

Signal 2 to 10 Vdc (+)

Blue

Red 24H (DC+)

Black

24G (DC-)

GRD

24 Vac Transformer

or 22-30 Vdc

Green/Yellow

1 Unused conduit port must remain plugged with a water

tight pipe plug as shipped from factory to maintain

NEMA Type 4 or IP56 rating.

2 Color coding of wiring on older models (MX40-717x-0-

0-0) manufactured prior to December, 2007, differs

from current models. See Table 4 on page 14. Consult

label on product to confirm wiring codes.

3 Keep AI, COM and AO wiring less than 30 meters

length to meet CE requirements.

Figure-6 Typical MS40-7173 4 to 20 mA Wiring Diagram.

2 to 10 Vdc

Control

MS40-717X

Signal

Yellow/Black

Gray COM

(+)

(-)

Blue

GRD

Green/Yellow

MS40-717X

Yellow/Black

Gray

COM

Power

Position Feedback (-)

Signal 2 to 10 Vdc (+)

Blue

Green/Yellow

GRD

1 Unused conduit port must remain plugged with a

water tight pipe plug as shipped from factory to

maintain NEMA Type 4 or IP56 rating.

4 Color coding of wiring on older models (MX40-717x-0-

0-0) manufactured prior to December, 2007, differs

from current models. See Table 4 on page 14. Consult

label on product to confirm wiring codes.

2 See table for power wire designations.

5 Keep AI, COM and AO wiring less than 30 meters

length to meed CE requirements.

3 Both actuators must be set to operate in the same

direction.

Power Wiring Identification.

Voltage

Designation

Wire Color

Red

24H (DC+)

24 Vac or

22-30 Vdc

24G (DC-)

Black

120 Vac

240 Vac

White

Brown

Light Blue

Figure-7 Two Actuators on the Same Damper Shaft.

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4 to 20 mA DC

Controller

MS40-717X

Yellow/Black

COM

(+) 4 to 20 mA DC

(-) Common DC

500 Ohm

Gray

Blue

GRD

Green/Yellow

MS40-717X

Power

Yellow/Black

COM

Gray

Blue

Position Feedback (-)

Signal 2 to 10 Vdc (+)

GRD

Green/Yellow

4 Color coding of wiring on older models (MX40-717x-0-

0-0) manufactured prior to December, 2007, differs

from current models. See Table 4 on page 14. Consult

label on product to confirm wiring codes.

1 Unused conduit port must remain plugged with a

water tight pipe plug as shipped from factory to

maintain NEMA Type 4 or IP56 rating.

2 See table for power wire designations.

5 Keep AI, COM and AO wiring less than 30 meters

length to meed CE requirements.

3 Both actuators must be set to operate in the same

direction.

Power Wiring Identification.

Voltage

Designation

Wire Color

Red

24H (DC+)

24 Vac or

22-30 Vdc

24G (DC-)

Black

120 Vac

240 Vac

White

Brown

Light Blue

Figure-8 Typical 4 to 20 mAdc Control Wiring For Two Actuators On The Same Damper Shaft.

INSTALLATION

Inspection

Inspect the package for damage. If damaged, notify the appropriate carrier immediately.

If undamaged, open the package and inspect the device for obvious damage. Return

damaged products.

Requirements

• Job wiring diagrams

• Tools (not provided)

– Socket wrench 1/2 inch, used for universal mounting clamp nuts

– Open-end wrench 10 mm, used for installing AM-676 universal shaft extension

– Slotted screwdriver, used for installing anti-rotation brackets

– Allen wrench 3/16", used for manual override

• Appropriate accessories

– Water tight 1/2 inch conduit seals TAC part number TF-711-02 or T&B #5332

(straight, TAC part number TF-713-02 or T&B #5352 (90°), or equivalent.

– Water tight 1/2 inch flexible conduit (e.,g. Anaconda: Sealtight) or 20 mm flexible

water tight conduit when using AM-756 metric conduit adapter with appropriate

metric water tight seals.

– Water tight 1/2" flexible conduit (Anaconda: Sealtight) or 20 mm flexible water tight

conduit when using AM-756 metric conduit adaptor

– Two #8 1/2" (13 mm) sheet metal screws for mounting (optional)

• Training: Installer must be a qualified, experienced technician

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Precautions

General

Warning:

• Electrical shock hazard! Disconnect the power supply (line power) before and during

installation to prevent electric shock and equipment damage.

• Make all connections in accordance with the wiring diagram and in accordance with

national and local electrical codes. Use copper conductors only.

Caution:

• Avoid electrical noise interference. Do not install near large contactors, electrical

machinery, or welding equipment.

• Avoid locations where excessive moisture, corrosive fumes, vibration, or explosive

vapors are present.

Federal Communications Commission (FCC)

Note: This equipment has been tested and found to comply with the limits for a Class B

digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide

reasonable protection against harmful interference in residential installations. This

equipment generates, uses, and can radiate radio frequency energy and may cause

harmful interference if not installed and used in accordance with the instructions. Even

when instructions are followed, there is no guarantee that interference will not occur in a

particular installation. If this equipment causes harmful interference to radio or television

reception— which can be determined by turning the equipment off and on—the user is

encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment to an outlet on a circuit different from that to which the receiver

is connected.

• Consult the dealer or an experienced radio/television technician for help.

Canadian Department of Communications (DOC)

Note: This class B digital apparatus meets all requirements of the Canadian Interference-

Causing Equipment Regulations.

Cet appareil numerique de la classe B respecte toutes les exigences du Reglement sur le

material broilleur du Canada.

European Standard EN 55022

Warning: This is a class B (European Classification) product. In a domestic environment

this product may cause radio interference in which case the user may be required to take

adequate measures.

Location

Caution:

• To maintain NEMA Type 4 rating, use water tight 1/2" flexible conduit only, with 1/2"

conduit connector of the water tight type, TAC part number TF-711-02 or T&B #5332

(straight), TAC part number TF-713-02 or T&B #5352 (90°), or equivalent.

• For metric conduit applications using AM-756 conduit adapters, use the appropriate

metric water tight seals to maintain compliance with IP56 or NEMA Type 4 rating.

• Use a water tight 1/2" pipe plug in any unused actuator conduit ports and seal with

water tight tape to stay in compliance with NEMA Type 4 or IP56 rating. Use TAC part

number X-5521, Grinnell #8700159257 (black), Grinnell #8700159851 (galvanized), or

equivalent. Actuators with unused conduit ports are shipped with the unused port

plugged.

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Mounting

Mount the TAC DuraDrive Actuator directly on the damper shaft in locations that clear the

maximum dimensions of the actuator case and allow the actuator to be mounted flush to the

surface of the terminal box and perpendicular to the damper shaft.

Note: Some terminal boxes have sheet metal screw heads or other protrusions near the

damper shaft. In these cases, a spacer or shim may be added under the mounting tab of

the actuator to make the actuator perpendicular to the shaft.

Caution: To remain in NEMA 2 compliance the MS40-715X and MS40-707X series

actuators should be mounted with conduit end down.

Damper Actuator Sizing

Correct sizing of the actuator is necessary for proper control of dampers. The area of

damper that can be controlled by a given actuator is dependent upon the quality of the

damper, the pressure drop across the damper in the closed position, and the velocity of the

air flow through the damper. To obtain actual damper torque requirements, contact the

damper manufacturer.

Damper Shaft Sizing

Use the “Long Damper Shaft” mounting instructions if the damper shaft is at least 4-5/8"

(117 mm) long.

Use the “Short Damper Shaft” mounting instructions if the damper shaft is shorter than 4-5/8"

or the area around the damper shaft is too narrow to allow standard mounting, as described

in the “Long Damper Shaft” mounting section. See Figure-9 for minimum shaft length.

Min. 4-5/8" (117 mm)

Figure-9 Long Damper Shaft Dimensions.

Caution: The MS40-717X actuator is not designed to be used on aluminum damper

shafts, solid steel shafts smaller than 1/2" diameter round or 1/2" square, or hollow steel

shafts smaller than 3/4" round. The actuator can produce up to 545 in-lbs (61.8. N-m)

maximum stall torque, which could result in the actuator snapping off an aluminum damper

shaft or an improperly sized steel damper shaft. Refer to T a ble-2 for nominal damper shaft

sizes.

Table-2 Steel Damper Shaft Specifications.

Damper Shaft Shape

Damper Shaft Type

O.D. (Nominal)^a

1/2" to 1"

3/4"

I.D. (Maximum)

Solid bar

0.375

0.683

0.626

0.805

0.808

0.930

13/16"

Round

27/32"

Hollow tubing

Solid bar

7/8"

15/16"

Square

1/2" to 5/8"

Damper shaft sizes over 1/2" (13 mm) O.D. require AM-753 universal mounting clamps.

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Mounting the Actuator for Clockwise or Counterclockwise Dampers

The zero (0) position on the position indicator is the normal or spring return position. When

the actuator is mounted with the “R” side facing the installer and the control signal increases

the actuator will rotate in the counterclockwise direction. When the actuator is mounted with

the “L” side facing the installer and the control signal increases the actuator will rotate in the

clockwise direction.

Long Damper Shafts

1. Move the damper to its normal position. Verify the controller action is set to match the

damper application (normally closed or normally open). See TYPICAL APPLICATIONS

(wiring diagrams).

– For normally closed damper, when damper is closed the actuator position indicator

should be at 0°. When damper is open the actuator position indicator should be at

90°.

– For normally opened damper, when damper is open the actuator position indicator

should be at 0°. When damper is closed the actuator position indicator should be at

90°.

Note: The actuator comes equipped with two AM-754 universal mounting clamps. For

damper shafts larger than 1/2" (13 mm) in diameter, the AM-753 universal mounting clamps

are required (order separately). The AM-753 clamps accommodate round shaft sizes

ranging from 3/4" to 1" (19 to 25 mm) or 5/8" (16 mm) square shafts.

2. Slide the actuator over the shaft and into its desired final mounting position.

– If the damper shaft rotates clockwise to the closed position, mount the actuator with

the side marked “R” facing the installer. See Figure-10.

– If the damper shaft rotates counterclockwise to the closed position, mount the

actuator with the side marked “L” facing the installer. See Figure-11.

3. Hand tighten the nuts on both of the actuator’s universal mounting clamps.

4. Align the actuator at 90° (perpendicular) to the damper shaft. See Figure-12.

5. Slide the anti-rotation bracket pin into the mounting slot on the actuator and drill

mounting holes. See Figure-12. For narrow spaces the AM-752 anti-rotation bracket is

recommended (order separately).

6. Attach one side of the anti-rotation bracket to the mounting surface with one of the

screws provided. Leave the screw loose so that the bracket can be rotated. See

Figure-10 for clockwise or Figure-11 for counterclockwise spring return.

7. Pivot the anti-rotation bracket away from the actuator. See Figure-10 or Fi gure-11.

8. Loosen the universal mounting clamps, making sure not to move the damper shaft.

Rotate the actuator approximately 5° in the direction which would open the damper. See

Figure-10 or Figure-11.

9. Tighten all of the universal mounting clamp nuts with a 1/2" socket wrench. Apply

4 to 6 ft -lbs (5 to 8 N-m) of torque.

10. Manually rotate the actuator toward the full-closed position to apply pressure to the

damper seals. See Figure-10 or Figure-11.

11. Pivot the anti-rotation bracket into place and secure the other side of the bracket onto

the mounting surface using the other screw provided with the actuator. See Figure-10

or Figure-11.

12. Verify that the damper is in its full-closed position and actuator at 90° (perpendicular) to

the damper shaft. See Figure-10 or Figure-11.

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CENTERLINE

1 Two AM-754 Universal Mounting Clamp Assemblies

are provided with each actuator. Each clamp

assembly includes 1 universal mounting clamp and

1 retaining clip. Two Universal Mounting Clamp

Assemblies are required for all mounting

configurations.

Figure-10 Long Damper Shaft Mounting with Clockwise Spring Return for Normally Closed Damper.

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CENTERLINE

1 Two AM-754 Universal Mounting Clamp Assemblies

are provided with each actuator. Each clamp

assembly includes 1 universal mounting clamp and

1 retaining clip. Two Universal Mounting Clamp

Assemblies are required for all mounting

configurations.

Figure-11 Long Damper Shaft Mounting with Counterclockwise Spring Return for Normally Closed Damper.

Actuator mounting slot

AM-751

Anti-rotation bracket

Figure-12 Mounting Anti-rotation Bracket to Actuator.

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Short Damper Shafts

See Figure-13 for installation of actuator using the AM-676 Universal Shaft Extension.

Installation requires AM-676 Universal Shaft Extension and AM-753 Universal Mounting

Clamps for 3/4" to 1" (19 to 25 mm) shafts, these items must be ordered separately.

1. Loosen the V-clamp nuts on the AM-676 universal shaft extension.

2. Fit the universal shaft extension fully onto the damper shaft. Tighten the universal shaft

extension V-clamp nuts with a 10 mm open-end wrench. Apply 4 to 6 ft. lbs

(5 to 8 N-m) of torque.

3. Move the damper to its normal position. Verify the controller action is set to match the

damper application. See TYPICAL APPLICATIONS (wiring diagrams).

– For normally closed damper: when damper is closed, actuator position indicator

should be at 0°. When damper is open, actuator position indicator should be at 90°.

– For normally opened damper: when damper is open, actuator position indicator

should be at 0°. When damper is closed, actuator position indicator should be at

90°.

4. Remove the mounting clamps from the actuator and replace them with the AM-753

universal mounting clamps.

5. Loosen the nuts on both of the AM-753 universal mounting clamps on the damper

actuator.

– If the damper shaft rotates clockwise to the closed position, mount the actuator with

the side marked “R” facing the installer. See Figure-10.

– If the damper shaft rotates counterclockwise to the closed position, mount the

actuator with the side marked “L” facing the installer. See Figure-11.

6. Assemble the damper actuator onto the universal shaft extension, allowing the

extension to slide through the actuator’s universal mounting clamps. Make sure the

actuator is 90° (perpendicular) to the damper shaft. Then, hand tighten the nuts on both

of the actuator’s universal mounting clamps. See Figure-12

Note: If the universal shaft extension protrudes excessively above the damper actuator's

top universal mounting clamp:

• remove the damper actuator from the universal shaft extension,

• remove the extension from the damper shaft,

• shorten the universal shaft extension by cutting it to the desired length,

• then proceed to follow mounting instructions.

7. Slide the anti-rotation bracket pin into the mounting slot on the actuator. See Figure-12.

For narrow spaces, the AM-752 anti-rotation bracket is recommended (order

separately).

8. Position the actuator and bracket in the desired final mounting position on the mounting

surface and drill mounting holes. See Figure-13.

9. Attach one side of the anti-rotation bracket to the mounting surface with one of the

screws provided. Leave the screw loose so that the bracket can be rotated. See

Figure-10 for clockwise or Figure-11 for counterclockwise spring return.

10. Pivot the anti-rotation bracket away from the actuator. See Figure-10 or Fi gure-11.

11. Loosen the universal mounting clamps, making sure not to move the damper shaft.

Rotate the actuator approximately 5° in the direction which would open the damper. See

Figure-10 or Figure-11.

12. Tighten all of the universal mounting clamp nuts with a 1/2" socket wrench. Apply

4 to 6 ft-lbs (5 to 8 N-m) of torque.

13. Manually rotate the actuator toward the full-closed position to apply pressure to the

damper seals. See Figure-10 or Figure-11.

14. Pivot the anti-rotation bracket into place and secure the other side of the bracket onto

the mounting surface using the other screw provided with the actuator. See Figure-10

or Figure-11.

15. Verify that the damper is in its full-closed position and actuator at 90° (perpendicular) to

the damper shaft. See Figure-10 or Figure-11.

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Actuator

AM-753

Universal

Mounting

Clamps

Anti-rotation

Bracket

(included with

actuator)

AM-676

Universal Shaft

Extension

Mounting Surface

V-clamp

Duct

1 The AM-676 extends the

damper shaft approximately

9" (229 mm).

Damper Shaft

Figure-13 Installation of Universal Shaft Extension.

Wiring Requirements

Control and Power Leads

Remove blue plastic thread protectors before installing conduit fittings. See Figure-1 through

Figure 8 for typical wiring applications and T a ble-3 for maximum wire lengths.

Caution: The 24 Vac model contains a half-wave rectifier power supply and must not be

rectifier power supplies. Refer to EN-206 Guidelines for Powering Multiple Full-Wave and

Half-Wave Rectifier Devices from a Common Transformer, F-26363, for further information.

Note: Class 2 control and power lead wiring must be routed separately from line voltage

wiring and any other non-class 2 circuits.

Table-3 Control and Power Wiring Data.

Maximum Wire Run in ft. (m)

Actuator

Voltage

Part

Number

(5% Voltage Drop)

14 AWG

16 AWG

18 AWG

24 Vac and

22-30 Vdc

MS40-7173

981

617

388

120 Vac

240 Vac

MS40-7170

MS40-7171

(299)

(188)

(118)

Table-4 Wire Color Codes for Models Manufactured before December, 2007.

Power

Analog

Input

Part Number

Ground

24 H

Black

N/A

24 G

Black/Blue

N/A

500 Ohms

Common

Voltage

MS40-7173-0-0-0

Old Design

24 Vac

N/A

Green/Yellow

White

Red

Black

MS40-7170-0-0-0

Old Design

120 Vac

240 Vac

Black White

White

MS40-7171-0-0-0

Old Design

Light

Brown

N/A

Blue

N/A: Not Applicable

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CHECKOUT

This procedure is for checking out a normally closed actuator that is typically mounted

unpowered. It is possible to mount the actuator with power applied for special applications.

Note: To check out a normally opened actuator the procedure is the same as below, except

the initial position is open and closed when powered.

After the entire system has been installed and the actuator has been powered up, the

following check can be made for proper system operation. Check for correct operation of the

damper while actuator is being stroked.

1. Apply power to the actuator and control system.

2. Set the controller to cause the actuator to drive open (set override controller output to

maximum).

3. Check to see that the actuator travels to the full-open position.

4. Set the controller to cause the actuator to drive closed (set override controller output to

minimum).

5. Check to see that the actuator travels to the fully closed position.

Note: If anticipated damper operation does not occur, verify the Long Damper Shaft or

Short Damper Shaft mounting procedures. Also, verify that the controller has the proper

action (direct or reverse) to match the damper required operation.

THEORY OF OPERATION

The actuator is, by means of dual mounting clamps, directly mounted onto the damper shaft.

The anti-rotation bracket supplied with the actuator prevents lateral movement of the

actuator. The damper actuator is not provided with and does not require any limiting

switches, but is electronically protected against overloading.

The angle of rotation is electronically limited to 92° ±1°. When reaching the damper or

actuator end position, the motor stops automatically. The position of the actuator is indicated

by means of scale reading 0 to 95°.

MAINTENANCE

FIELD REPAIR

Regular maintenance of the total system is recommended to assure sustained optimum

performance. The MS40-717X actuator is maintenance free.

None. Replace with functional actuator.

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DIMENSIONAL DATA

Figure-14 dimensions are in inches (mm).

(102)

1-27/64"

(36)

10-27/32 (275)

Figure-14 MS40-717X Damper Actuator.

On October 1st, 2009, TAC became the Buildings business of its parent company Schneider Electric. This document reflects the vi sual identity of Schneider Electric,

however there remains references to TAC as a corporate brand in the body copy. As each document is updated, the body copy will be changed to reflect appropriate

corporate brand changes.

Schneider Electric

1354 Clifford Avenue

P.O. Box 2940

All brand names, trademarks and registered

trademarks are the property of their respective

owners. Information contained within this

document is subject to change without notice.

Loves Park, IL 61132-2940

www.schneider-electric.com/buildings

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