Schneider Electric Automobile Parts MA40 704X User Guide

MA40-704X Series,  
MA4X-707X Series,  
MA4X-715X Series  
DuraDrive Series Spring Return  
Two-Position Actuators  
General Instructions  
Application  
DuraDrive™ Direct Coupled Actuators are designed to  
be used in both damper and valve control applications.  
The follow general instructions are for damper  
applications, refer to the Applicable Literature table for  
valve literature.  
The MA40-704X, MA4X-707X and MA4X-715X series  
spring return actuators are used for the on-off, fail safe  
control of dampers and valves in HVAC systems.  
MA40-707X  
MA40-715X  
Features  
Two-position actuator controlled by SPST controller  
133 lb-in (15 N-m), 60 lb-in (7 N-m), and 35 lb-in  
(4 N-m) torque models  
24 Vac/DC, 120 Vac, and 230 Vac models  
Rugged die cast housings rated for NEMA 2 / IP54  
Overload protection throughout rotation  
MA40-704X  
Optional built-in auxiliary switch to provide for  
interfacing or signaling  
Provides 95° of rotation  
Visual position indicator provided  
Provides true mechanical clockwise or  
counterclockwise spring return operation for reliable  
fail safe application and positive close-off in air tight  
damper applications  
Direct mount to round or square damper shafts  
Rotation limiting available  
MA4X-7153 series actuators can be double-  
mounted (gang mounting) to accommodate high  
torque application requirements  
MA41-707X  
MA41-715X  
Five year warranty  
MA41-707X-XXX and MA41-715X-XXX equipped  
with manual override  
Printed in U.S.A. 1/10  
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SPECIFICATIONS  
Actuator Inputs  
Control Signal: On-off, spring return. SPST control contacts or Triacs (500 mA rated).  
Power Input: See Table-1. All 24 Vac circuits are Class 2. All circuits 30 Vac and above are  
Class 1.  
Connections: 3 ft. (91 cm) appliance cables, 1/2 in. conduit connector. For M20 Metric  
conduit, use AM-756 adaptor.  
Actuator Outputs  
Electrical:  
Auxiliary Switches,  
MA4X-715X-502 and MA4X-707X-502 Two SPDT 7A (2.5A) @250 Vac, UL listed;  
one fixed @ 5° and one adjustable 25 to 85°.  
MA40-7040-501 and MA40-7041 -501 One SPDT 6A (1.5A) @250 Vac, UL listed;  
adjustable 0 to 95° (0 to 1 scale).  
MA40-7043-501 One SPDT 6A (1.5A) @24 Vac, UL listed; adjustable 0 to 95°  
(0 to 1 scale).  
Mechanical:  
Stroke, Angle of rotation 95° ± 5° maximum. Adjustable 30° to 95° with AM-689 installed  
on MA4X-715X or MA4X-707X series. Stroke limiter is standard on MA40-704X series.  
Damper Shaft Clamp,  
MA40-704X The factory installed universal clamp is used for shafts up to 5/8”  
(15 mm) diameter or up to 1/2" (13 mm) square. AM-710 accessory clamp is required  
when mounting actuators to shafts up to 3/4" (19 mm) diameter or up to 1/2" (13 mm)  
square.  
MA4X-715X or MA4X-707X The factory installed universal clamp is used for shafts  
up to 3/4" (19 mm) diameter or up to 1/2" (13 mm) square. AM-687 accessory clamp  
is required when mounting actuators to shafts up to 1.05" (27 mm) in diameter or up  
to 5/8" (15 mm) square.  
Position Indicator, Visual indicator.  
MA4X-715X and MA4X-707X, -5 to 90° (-5° is spring return position).  
MA40-704X, 0 to 1 (0 is spring return position).  
Nominal Damper Area, Actuator sizing should be done in accordance with damper  
manufacturer’s specification.  
Direction of Rotation, Clockwise or counterclockwise rotation determined by actuator  
mounting.  
o
o
Manual Override, MA41-707X and MA41-715X rotation is adjustable from -5 to 85  
using manual override crank.  
Environment  
Ambient Temperature Limits:  
Shipping & Storage, -40 F to 160°F (-40 to 71°C).  
Operating, -22 to 140°F (-30 to 60°C).  
Humidity: 15 to 95% RH, non-condensing.  
Location:  
MA4X-715X and MA4X-707X, NEMA 1 (IEC IP30). NEMA 2 (IEC IP54) with conduit  
connector in the down position.  
MA40-704X, NEMA 2 (IEC IP54) no restrictions.  
Agency Listings  
UL 873: Underwriters Laboratories (File # E9429 Category Temperature-Indicating and  
Regulating Equipment).  
CUL: UL Listed for use in Canada by Underwriters Laboratories. Canadian Standards  
C22.2 No. 24.  
European Community: EMC Directive (89/336/EEC). Low Voltage Directive (72/23/EEC).  
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.  
F-26642-8  
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3
Table-1 Model Chart.  
Approximate  
Timing in  
Seconds @ 70°  
(21°C)a  
Output Torque  
Rating  
Actuator Power Input  
VA  
lb-in (N-m)b  
Auxiliary  
Switch  
Part Numbers  
Voltage  
Watts  
Running  
60  
Holding  
Spring  
Powered  
Maximum Manual  
Minimum  
DC  
Amps  
Return  
Stall  
Override  
50 Hz  
50  
60  
Hz  
50 Hz 60 Hz  
Hz  
Hz  
MA40-7153  
No  
Twoc  
No  
No  
No  
MA40-7153-  
502  
24 Vac  
± 20%  
22-30  
Vdc  
9.8  
9.7 7.5 7.5  
0.29  
2.8  
3.6  
4.6  
0.8  
2.0  
2.8  
5.0  
3.3  
0.8  
1.2  
MA41-7153  
Yes  
Yes  
No  
MA41-7153-  
502  
Twoc  
No  
MA40-7150  
MA40-7150-  
502  
Twoc  
No  
No  
120 Vac  
±10%  
11.7 10.0 8.8 8.4  
<190  
<30  
133 (15)  
350 (40)  
MA41-7150  
Yes  
Yes  
No  
MA41-7150-  
502  
Twoc  
No  
MA40-7151  
MA40-7151-  
502  
Twoc  
No  
No  
230 Vac  
±10%  
15.5 10.6 9.5 8.5  
MA41-7151  
Yes  
Yes  
No  
MA41-7151-  
502  
Twoc  
No  
MA40-7073  
MA40-7073-  
502  
24 Vac  
± 20%  
22-30  
Vdc  
Twoc  
No  
No  
4.8  
4.8 3.2 3.2  
0.13  
MA41-7073  
Yes  
Yes  
No  
MA41-7073-  
502  
Twoc  
No  
MA40-7070  
MA40-7070-  
502  
Twoc  
No  
No  
120 Vac  
±10%  
10.7  
5.6 4.2 3.6  
<80  
<40  
60 (7)  
250 (28)  
MA41-7070  
Yes  
Yes  
No  
MA41-7070-  
502  
Twoc  
No  
MA40-7071  
MA40-7071-  
502  
Twoc  
No  
No  
230 Vac  
±10%  
17.0  
4.4  
8.0 5.1 4.0  
2.7  
0.8  
1.4  
0.8  
MA41-7071  
Yes  
Yes  
No  
MA41-7071-  
502  
Twoc  
No  
MA40-7043  
24 Vac  
± 20%  
22-30  
Vdc  
4.4 2.9 2.9  
0.11  
MA40-7043-  
501  
Oned  
No  
MA40-7040  
No  
Oned  
No  
No  
No  
No  
No  
120 Vac  
±10%  
<50  
<26  
35 (4)  
150 (17)  
6.4  
5.8  
4.3 3.8 3.4  
4.6 4.1 3.9  
1.6  
1.5  
1.2  
1.2  
MA40-7040-  
501  
MA40-7041  
230 Vac  
±10%  
MA40-7041-  
501  
Oned  
a
Timing was measured with no load applied to the actuator.  
De-rating is required at low temperatures.  
One adjustable from 25 to 85° rotation and one set to operate @ 5° fixed.  
One adjustable from 0 to 95° rotation (0 to 1 scale).  
b
c
d
4
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ACCESSORIES  
For use with MA4X-7XXX:  
AM-671  
AM-672  
AM-673  
AM-674  
AM-675  
AM-676  
AM-714  
AM-756  
AM-761  
AM-762  
Universal Mounting Bracket, AM-693 is required  
Universal Mounting Bracket, AM-693 is required  
Mounting Bracket  
Weather Shield  
Base Mounting Plate for AM-674  
Universal Shaft Extension  
Weather Shield (polycarbonate)  
Metric Conduit Adapter M20 x 1.5 to 1/2" NPT  
7-inch Anti-rotation Bracket  
9-inch Anti-rotation Bracket  
For use with MA40-7043:  
AM-709  
AM-710  
AM-711  
AM-712  
AM-713  
Position Indicator and Stroke Limiter  
Universal Clamp for up to 3/4" diameter shafts  
Crankarm for up to 1/2" round shaft  
Crankarm Adapter Kit  
Mounting Bracket for Honeywell Mod IV, M6415  
type actuators and new installations  
Crankarm Adapter Kit for Honeywell Mod IV,  
M6415 type actuators and new installations  
AM-715  
For use with MX4X-7073, MX4X-7153  
AM-686  
AM-687  
Damper Position Indicator  
Universal Clamp for up to 1.05" (27 mm) diameter  
shafts  
AM-688  
AM-689  
AM-690  
AM-691  
AM-692  
AM-693  
AM-758  
AM-759  
AM-760  
AM-763  
Replacement Universal Clamp  
Rotation Limiter  
Crankarm for round shafts up to 3/4" (19 mm)  
Crankarm for jackshafts up to 1.05" (27 mm)  
V-bolt Kit for AM-690 and AM-691 Crankarm  
Damper Linkage Kit  
Short "U" Mounting Bracket  
Tall "U" Mounting Bracket  
Slotted "L" Mounting Bracket  
1/8" Hex Crank for Manual Override  
F-26642-8  
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5
TYPICAL APPLICATIONS (wiring diagrams)  
Figure-1 through Figure-3 illustrate typical wiring diagrams for spring return floating  
actuators. See Table-1 for model selection.  
Optional Auxiliary  
Switches  
24 Vac Transformer  
or 22-30 Vdc  
Aux Switches  
MA4X-7XXX-502  
MA4X-7153  
MA4X-7073  
MA4X-7153-502  
MA4X-7073-502  
Blk  
Com  
Hot (+DC)  
Grn/Yel  
Com  
NC  
Org  
Line  
Volts  
Aux Switch 1  
25 to 85°  
Adjustable  
Red  
Vio  
Yel  
NO  
1
2
3
Com  
NC  
Org/Wht  
Vio/Wht  
Yel/Wht  
SPST Control Contact  
Aux Switch 2  
5° Fixed  
NO  
MA4X-7150  
MA4X-7151  
MA4X-7070  
Wire No. 1  
Wire No. 2  
Com  
Hot  
120 Vac or  
230 Vac  
L1 N  
L2 H  
1
2
Provide overload protection and disconnect as required.  
Grn/Yel  
MA4X-7071  
Actuators mounted on separate shafts may be wired in  
parallel. All actuator black wires are connected to the  
transformer common and all red wires are connected to  
the hot lead. Power consumption must be observed.  
1
MA4X-7150-502  
MA4X-7151-502  
MA4X-7070-502  
MA4X-7071-502  
Voltage  
Wire 1  
Wire 2  
3
For end position indication, interlock control, fan startup,  
etc., MA4X-715X-502, and MA4X-707X-502 models  
incorporate two built-in auxiliary switches.  
120 Vac  
230 Vac  
White  
Blue  
Black  
2
Brown  
MX40-707X-502 and MX40-715X-502 units manufactured prior to the date code 0141  
(October 6, 2001) used the following color coding for the auxiliary switches:  
Auxiliary Switch 1  
Orange:  
Yellow:  
Violet:  
Fixed auxiliary switch common (com)  
Fixed auxiliary switch normally closed (NC)  
Fixed auxiliary switch normally open (NO)  
Auxiliary Switch 2  
Orange/white:  
Violet/white:  
Yellow/white:  
Adjustable auxiliary switch common (com)  
Adjustable auxiliary switch normally closed (NC)  
Adjustable auxiliary switch normally open (NO)  
The label information on these units is incorrect. If replacing these units, the auxiliary switch  
operation of the replacement actuator will be per the product label.  
Figure-1 Typical Wiring Diagram for 24 Vac Basic and Double Auxiliary Switch Models.  
6
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120 Vac or  
230 Vac  
MA40-7040  
MA40-7041  
Wire No. 1  
Wire No. 2  
Neutral  
Hot  
L1 N  
L2 H  
1
Green/Yellow  
2
MA40-7040-501  
MA40-7041-501  
1
2
3
Provide overload protection and disconnect as  
required.  
120 Vac or  
230 Vac  
Wire No. 1  
Wire No. 2  
Neutral  
Actuators may be wired in parallel. Power  
consumption must be observed.  
L1 N  
L2 H  
2
Hot  
Green/Yellow  
1
For end position indication, interlock control, fan  
startup, etc., MA40-704X-501 model incorporates  
one built-in auxiliary switch. See Specifications  
section for details.  
0 to 1 Scale  
Adjustable  
Orange  
Violet  
COM.  
N.C.  
Voltage  
120 Vac  
230 Vac  
Wire 1  
Wire 2  
Black  
3
Auxiliary Switch 1  
White  
Yellow  
N.O.  
Light Blue  
Brown  
Figure-2 Typical Wiring Diagram for 120 Vac or 230 Vac Basic and Single Auxiliary Switch Models.  
MA40-7043  
Black  
Red  
Common  
Hot  
(1)  
(2)  
Line  
Volts  
24 Vac  
2
Green/Yellow  
1
SPST Control Contact  
MA40-7043-501  
1
2
Provide overload protection and disconnect as  
required.  
Black  
Red  
Common  
Line  
Volts  
24 Vac  
Hot  
Green/Yellow  
2
Actuators may be wired in parallel. Power  
consumption must be observed. Actuator may also  
be powered by 24 Vdc.  
1
3
For end position indication, interlock control, fan  
startup, etc., MA40-7043-501 model incorporates  
one built-in auxiliary switch. See Specifications  
section for details.  
SPST Control Contact  
0 to 1 Scale  
Adjustable  
Orange  
Violet  
N.C.  
N.O.  
Auxiliary Switch 1  
3
Yellow  
Figure-3 Typical Wiring Diagram for 24 Vac Basic and Single Auxiliary Switch Models.  
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):  
– #8 sheet metal screws  
– 10mm open end wrench or socket wrench  
– 7/16 inch, open end wrench or socket wrench  
– 1/8 inch, allen wrench  
– Appropriate screwdriver(s)  
Appropriate accessories  
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 installation to  
prevent electric shock and equipment damage.  
Make all connections in accordance with the job 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.  
Do not drill holes in actuator body. Six pre-drilled holes are located on each side, under  
the label, to accept #10-24 thread-forming screws for mounting accessories.  
Caution: The MX41-707X and MX41-715X actuators are equipped with a manual  
override.  
The manual override is to be used only when power is not applied to the unit.  
If the universal clamp is not set to 0° on the position indicator, manually wind the  
actuator in the direction indicated with hex wrench from -5° to 0° and lock with a  
screwdriver.  
When operating manual override, back off 5° from full open mechanical stop to ensure  
proper release.  
Do not attempt to use the manual override with actuators mounted in tandem. Damage  
to the gear train may occur.  
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—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 digital (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: Avoid locations where excessive moisture, corrosive fumes, vibration, or  
explosive vapors are present.  
8
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Mounting  
Caution: To remain in NEMA 2/IP54 compliance, the MA4X-715X and MA4X-707X series  
actuators should be mounted with conduit end down.  
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 anti-rotation  
bracket of the actuator to make the actuator perpendicular to the shaft.  
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 type of damper,  
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 3-1/2"  
(90 mm) long.  
Use the “Short Damper Shaft” mounting instructions if the damper shaft is shorter than 3-1/2"  
(90 mm) or the area around the damper shaft is too narrow to allow standard mounting, as  
described in the “Short Damper Shaft” mounting section.  
MA40-704X Series Installation  
Note: The MA40-704X series actuator comes equipped with standard universal mounting  
clamp. For damper shafts larger than 5/8" (16 mm) in diameter, the AM-710 universal  
mounting clamp is required (order separately). The AM-710 clamp accommodates shafts  
sizes up to 3/4" (19 mm) diameter shafts.  
Long Shaft  
Short Shaft  
Min. 3/4" (20 mm)  
Min. 3 1/2" (90 mm)  
3/8" to 3/4" Diameter (10 mm to 20 mm)  
3/8" to 1/2" Square (10 mm to 13 mm)  
Move the damper to its normal position. Verify the controller action is set to match the  
damper application.  
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°.  
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°.  
A - Left  
A - Right  
Shaft Rotates  
Clockwise  
To Open  
Shaft Rotates  
Counterclockwise  
To Open  
This step determines  
shaft rotation. Linkage  
may change damper direction.  
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9
B - Left - Long Shaft  
B - Right - Long Shaft  
2
1
2
2
R
2
L
3
1
1
3
L
4
4
"L" Marker  
"R" Marker  
1. Assemble mounting clamp.  
2. Assemble retaining clip.  
3. Place actuator over shaft.  
4. Hand tighten clamp nuts.  
Universal  
mounting clamp.  
1
2
Universal  
mounting clamp.  
1
2
Correct clamp mounting  
position if actuator is  
in normal spring  
Retaining clip.  
.4  
.2  
.4  
.2  
Retaining clip.  
return position  
(before preload)  
0
0
L
R
B - Left - Short Shaft  
B - Right - Short Shaft  
B
B
2
"L" Marker  
2
A
L
R
A
4
3
4
3
L
R
1
1
3
3
1
"R" Marker  
1
2
2
2
2
1
2
3
Universal clamp.  
1
2
3
Universal clamp.  
Retaining clip.  
A. Assemble damper position indicator.  
B. Assemble retaining clip.  
1. Position mounting clamp.  
2. Assemble retaining clip.  
Retaining clip.  
Damper position indicator.  
Damper position indicator.  
3. Slide actuator over shaft.  
4. Hand tighten clamp nuts.  
Correct pointer mounting  
position if actuator is  
.4  
.4  
.2  
.2  
in normal spring  
return position  
0
0
L
(before preload)  
R
10  
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C - Left and Right  
Center the  
Universal Bracket in the Slot  
1
.8  
.6  
.4  
.2  
0
1/2  
1/2  
1
5
x 1  
7
8
x 2  
6
#8 Sheet Metal  
Screw  
1
5. Center bracket in slot.  
6. Drill two holes.  
7. Start one screw.  
8. Swing bracket down.  
D- Left  
D- Right  
C
L
C
L
Centerline  
Centerline  
10  
10  
12  
14  
14  
5°  
5°  
11  
13  
11  
13  
9. Loosen clamp nuts.  
10. Check that the shaft is in full zero position.  
11. Swing actuator 5° in the direction of travel. Do not move shaft.  
12. Tighten clamp nuts to 4 to 6 lb-ft (5.4 to 8.2 N-m) of torque.  
13. Move bottom of actuator back into position.  
14. Pivot bracket back into position.  
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11  
E- Left  
E - Right  
1
1
.8  
.6  
.4  
.2  
.8  
.6  
.4  
.2  
0
0
x 2  
x 2  
15  
15  
15. Tighten bracket screws.  
Correct clamp mounting  
position  
.4  
.2  
.4  
.2  
(after 5˚ preload)  
0
0
L
R
MA4X-707X and MA4X-715X Series Installation  
Caution: Do not drill additional holes in the actuator body. Six pre-drilled holes are located  
on each side, under the label, to accept #10-24 thread-forming screws for mounting  
accessories.  
Note: The MA40-707X and MA40-715X series actuators come equipped with standard  
universal mounting clamp installed. For damper shafts larger than 3/4" (19 mm) in  
diameter, the AM-687 universal mounting clamp is required (order separately). The AM-687  
clamp accommodates round shaft sizes up to 1.05" (27 mm) in diameter or 5/8" (16 mm)  
square shafts.  
Caution: The MA41-707X and MA41-715X actuators are equipped with a manual  
override.  
The manual override to be used only when power is not applied to the unit.  
If the universal clamp is not set to 0° on the position indicator, manually wind the  
actuator in the direction indicated with hex wrench from -5° to 0° and lock with a  
screwdriver.  
When operating manual override, back off 5° from full open mechanical stop to ensure  
proper release.  
Do not attempt to use the manual override with actuators mounted in tandem. Damage  
to the gear train could occur.  
Using power tools to adjust the manual override will cause damage to the gears.  
To unlock manual override without power, crank the manual override in the direction  
indicated a minimum of 5°.  
12  
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Long Shaft  
Short Shaft  
Min. 3/4" (20 mm)  
Min. 3 1/2" (90 mm)  
3/8" to 3/4" Diameter (10 mm to 20 mm)  
3/8" to 1/2" Square (10 mm to 13 mm)  
Move the damper to its normal position. Verify the controller action is set to match the  
damper application.  
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°.  
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°.  
A - Left  
A - Right  
Shaft Rotates  
Clockwise  
To Open  
Shaft Rotates  
Counterclockwise  
To Open  
This step determines  
shaft rotation. Linkage  
may change damper direction.  
For MA41-707X and MA41-715X only (manual override).  
For MA40-707X and MA40-715X, proceed to step C.  
B
If position indicator does not point to zero:Unlock the actuator.  
Insert hex wrench into manual override.  
Crank the actuator so the indicator points to .  
Lock the actuator.  
R
Manual Override  
R
L
R
L
Fully engage hex wrench  
into manual override before  
winding.  
Unlock  
Caution: Do not crank the manual  
override if power is applied  
to the actuator.  
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13  
- Long Shaft  
C - Left  
C - Right - Long Shaft  
2
1
2
2
R
2
L
3
1
1
3
4
4
"L" Marker  
R
L
LOCK  
R
L
O
L
C
K
"R" Marker  
1. Assemble mounting clamp.  
2. Assemble retaining clip.  
3. Place actuator over shaft.  
4. Hand tighten clamp nuts.  
Universal  
mounting clamp.  
Universal  
mounting clamp.  
1
2
1
2
Retaining clip.  
Retaining clip.  
For MA40-707X and MA40-715X actuators:  
Correct clamp mounting  
Correct clamp mounting  
position if actuator is  
locked with 5° preload.  
position if actuator is  
in normal spring  
return position  
L
R
R
L
C - Left - Short Shaft  
C - Right - Short Shaft  
B
B
2
"L" Marker  
A
A
L
R
4
3
4
3
L
R
1
1
3
3
1
"R" Marker  
1
2
2
2
2
1
2
3
Universal clamp.  
1
2
3
Universal clamp.  
A. Assemble damper position indicator.  
B. Assemble retaining clip.  
1. Position mounting clamp.  
2. Assemble retaining clip.  
Retaining clip.  
Retaining clip.  
Damper position indicator.  
Damper position indicator.  
3. Slide actuator over shaft.  
4. Hand tighten clamp nuts.  
For MA41-707X and MA41-715X actuators:  
For MA40-707X and MA40-715X actuators:  
Correct pointer mounting  
position if actuator is  
in normal spring  
Correct pointer mounting  
position if actuator is  
locked at 5° preload.  
return position  
L
R
L
R
14  
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D - Left and Right  
Center the  
Universal Bracket in the Slot  
R
1/2  
1/2  
5
1
7
x 2  
6
#8 Sheet Metal  
1
5. Center bracket in slot.  
6. Drill two holes.  
7. Start one screw.  
Screw  
x 1  
For MA41-707X and MA41-715X actuators, insert and tighten both screws.  
8. Swing bracket down (MA40 actuator only).  
8
E- Left  
E- Right  
C
L
C
L
Centerline  
Centerline  
10  
10  
9
11  
13  
11  
13  
9. Loosen clamp nuts.  
10. Check that the shaft is in full zero position.  
For MA41-707X and MA41-715X only:  
11. Tighten clamp nuts to 8 - 10 ft-lb (11 - 14 Nm).  
This completes the installation for MA41-704X  
and MA41-715X.  
15  
15  
For MA40-707X and MA40-715X only:  
12. Swing actuator 5° in the direction of travel. Do  
not move shaft.  
5°  
5°  
12  
14  
12  
14  
13. Tighten clamp nuts to 8 - 10 ft-lb (11 - 14 Nm).  
14. Move bottom of actuator back into position.  
15. Pivot bracket back into position.  
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15  
F- Left  
F- Right  
L
R
x 2  
x 2  
16  
16  
For MA40-707X and MA40-715X only:  
16. Tighten bracket screws.  
For MA40-707X and MA40-715X actuators:  
Correct pointer position  
after mounting.  
L
R
For MA41-707X and MA41-715X actuators:  
Correct pointer position  
after mounting.  
R
L
The lock on MA41-707X and MA41-715X will release on first power-up.  
16  
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Jackshaft Installation  
(MA40-704X Series)  
The MA40-704X actuator is designed for use with jackshafts up to 3/4" (19 mm) in diameter.  
In most applications, the MA40-704X actuator may be mounted in the same manner as a  
standard damper shaft application. If the jackshaft diameter is larger than 5/8" (16 mm) in  
diameter, the optional AM-710 universal clamp must be used.  
(MA4X-715X and MA4X-707X Series)  
The MA4X-715X and MA4X-707X actuators are designed for use with jackshafts up to 1.05"  
(27 mm) in diameter. In most applications, the actuator may be mounted in the same manner  
as a standard damper shaft application. If the jackshaft diameter is larger than 3/4" (19 mm)  
in diameter, the optional AM-687 universal clamp must be used.  
Multiple Actuator Mounting  
If more torque is required than one actuator can provide a second actuator may be mounted  
to the damper shaft, using the AM-673 multiple mounting bracket. See Figure-4.  
Multiple actuators may be powered from one transformer provided the following rules are  
followed:  
The total current draw of the actuators (VA rating) is less than or equal to the rating of  
the transformer and less than the rating of the control circuit.  
Polarity on the secondary of the transformer is strictly followed.  
– All L2 wires from all actuators are connected to the common lead on the  
transformer.  
– All L1 wires from all actuators are connected to the hot lead.  
Caution: Mixing the L2 and L1 wires on one lead of the transformer may result in erratic  
operation or failure of the actuator and/or controls.  
Caution: Do not attempt to use the manual override with actuators mounted in tandem.  
Damage to the gear train may occur.  
Multiple actuators positioned by the same control signal may be powered from multiple  
transformers provided the following rules are followed:  
The transformers are properly sized.  
All L2 wires from all actuators are tied together and tied to the negative lead of the  
control signal.  
Table-2 Power Wiring Color Code.  
Part Number  
L1  
L2  
MA4X-7XX3  
MA4X-7XX3-502  
Red  
Black  
MA4X-7XX0  
MA4X-7XXX-502  
Black  
White  
MA4X-7XX1  
MA4X-7XXX-502  
Brown  
Light Blue  
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17  
AM-673  
M7A1-502  
SBIE  
Figure-4 Mounting Multiple Actuators.  
Wiring Requirements  
Control and Power Leads  
See Table-3 for power wiring data. Refer to Figure-1 through Figure-3 for typical wiring  
applications.  
Note: Class 2 control and power lead wiring must be routed separately from line voltage  
wiring and any other non-class 2 circuits. Line voltage, auxiliary switch, and auxiliary switch  
leads must be connected to a class 1 circuit.  
Table-3 Power Wiring Data.  
Maximum Wire Run in ft. (m) (5% Voltage Drop)  
Actuator Voltage  
Part Number  
14 AWG  
16 AWG  
18 AWG  
MA4X-7153  
MA4X-7153-502  
MA40-7043  
24 Vac  
22-30 Vdc  
330 (101)  
200 (61)  
130 (40)  
24 Vac  
22-30 Vdc  
1100 (335)  
600 (183)  
700 (213)  
500 (152)  
440 (134)  
254 (77)  
MA40-7043-501  
MA4X-7073  
24 Vac  
22-30 Vdc  
MA4X-7073-502  
18  
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Auxiliary Switches  
The MA40-704X-501 series actuators include one built-in SPDT auxiliary switch which can  
be used for interfacing or signaling (e.g., for fan start-up). The switch is adjustable between  
0° and 95° of rotation (0 to 1 scale).  
The MA4X-715X-502 and MA4X-707X-502 series actuators include two built-in SPDT  
auxiliary switches which can be used for interfacing or signaling (e.g., for fan start-up). The  
switch position near the normal (spring return) position is fixed at 5°. The other is adjustable  
between 25° and 85° of rotation.  
Adjusting the Switching Point  
Refer to Table-4 for auxiliary switch rating.  
Adjusting the switching point for MA40-704X-501  
1. The actuator must be in its normal (spring return) position.  
2. Use a flat screw driver to rotate the switch pointer until it is at the desired switch position  
on the 0 to 1 scale.  
Adjusting the switching point for MA4X-715X-502 or MA4X-707X-502  
1. The actuator must be in its normal (spring return) position.  
2. Insert a 1/8" allen wrench into the hex hole located in the center of the adjustable switch  
pointer.  
3. Rotate the wrench until the switch pointer is at the desired switch position in degrees,  
from 25 to 85°.  
Table-4 Auxiliary Switch Rating.  
Part Number  
MA40-7043-501  
MA40-7040-501  
MA40-7041-501  
MA4X-707X-502  
MA4X-715X-502  
Voltage  
Resistive Load  
Inductive Load  
24 Vac  
6A  
1.5A  
250 Vac  
250 Vac  
6A  
7A  
1.5A  
2.5A  
Rotation Limitation  
Rotation Limitation for MA40-704X Series  
The Stop Block is used in conjunction with the tab on the universal clamp or the AM-709  
position indicator. In order to function properly, the clamp or indicator must be mounted  
correctly.  
The Stop Block controls the rotational output of the MA40-704X and MF40-704X-501  
actuators. It is used in applications where a damper has a designed rotation that is less than  
90°, for example with a 45° or 60° rotating damper.  
1. Determine the amount of damper rotation required. The actuator stop block provides  
limited rotation from 40° to 95°.  
2. Loosen the screw securing the stop block to the actuator.  
Note: The actuator is shipped with the Stop Block mounted to the “L” side. If the damper  
application requires the “R” side face the installer, simply remove the Stop Block and screw  
and move it to the new location.  
3. Slide the stop block into position, so that its edge lines up with the degree graduation  
on the actuator face which corresponds with the required rotation. See Figure-5.  
4. Secure the stop block in place.  
5. Test the damper rotation by applying power. Re-adjust if necessary.  
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19  
 
1
1
.8  
.8  
.6  
.6  
.4  
.4  
.2  
.2  
L
R
0
0
1
.8  
.6  
.4  
R
.2  
0
Figure-5 Adjusting Stop Block for Limited Rotation.  
Rotation Limitation for MA4X-715X and MA4X-707X Series  
The AM-689 rotation limiter is used in conjunction with the tab on the universal clamp or the  
AM-686 position indicator which comes with the AM-689. In order to function properly, the  
clamp or indicator must be mounted correctly.  
The AM-689 rotation limiter controls the rotational output of the MA4X-715X, MA4X-715X-  
502, MA4X-707X, and MA4X-707X-502 actuators. It is used in applications where a damper  
has a designed rotation that is less than 90°, for example with a 45° or 60° rotating damper.  
1. Determine the amount of damper rotation required.  
2. Locate the AM-689 rotation limiter on the actuator so that its edge lines up with the  
degree graduation on the actuator face which corresponds with the required rotation.  
3. Find the appropriate cross-hair location through the slot of the rotation limiter. This is  
the mounting location for the retaining screw.  
4. Pierce through the label material to allow easy fastening of the retaining screw.  
5. Position the rotation limiter back to the desired position, making sure the locating “teeth”  
on the rotation limiter are engaged into the locating holes on the actuator.  
6. Fasten the rotation limiter to the actuator using the self-tapping screw provided.  
7. Test the damper rotation by applying power. Re-adjust if necessary.  
Screw secured at  
these cross hairs.  
Angle of rotation  
is now set at 40.  
90  
80  
90  
80  
70  
70  
60  
50  
40  
30  
60  
50  
40  
30  
90  
80  
70  
60  
50  
40  
30  
Figure-6 Securing the AM-689 Rotation Limiter.  
20  
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CHECKOUT  
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. Actuator and damper should be driven to their powered  
position.  
2. On the MA4X-7XXX-50X models, check for correct auxiliary switch operation.  
3. Break power to the actuator. Actuator and damper should return to their normal, or  
spring return position.  
Table-5 Power Wiring Color Code.  
Part Number  
L1  
L2  
MA4X-7XX3  
MA4X-7XX3-502  
Red  
Black  
MA4X-7XX0  
MA4X-7XXX-502  
Black  
White  
MA4X-7XX1  
MA4X-7XXX-502  
Brown  
Light Blue  
THEORY OF  
OPERATION  
The actuators are mounted directly onto a damper shaft using a universal V-clamp. When  
power is applied, the actuator rotates 95° to its powered position, at the same time tensing  
the spring return safety mechanism. When power is removed, the spring returns the actuator  
to its normal position. The actuators provide true mechanical spring return operation for  
reliable, positive close-off on air tight dampers.  
The MA4X-707X, MA4X-707X-502, MA4X-715X, and MA4X-715X-502 actuators are  
equipped with a graduated position indicator showing -5° to 90°. The MA40-704X and  
MA40-704X-501 are equipped with a graduated position indicator showing 0 to 1.  
The MA40-704X-501 models are provided with 1 built in auxiliary switch. The SPDT switch  
is provided for interfacing or signaling, for example, fan start-up. The switching function is  
adjustable between 0° to 95° rotation (0 to 1 scale).  
The MA4X-715X-502 and MA4X-707X-502 models are provided with 2 built in auxiliary  
switches. The SPDT switches are provided for interfacing or signaling, for example, fan  
start-up. The switching function is adjustable on one switch between 25° to 85° rotation and  
the other switch is fixed at 5°.  
The MA41-707X-XXX and MA41-715X-XXX actuators are equipped with a manual override  
mechanism. This allows the actuator to be manually positioned at any point between -5o and  
85o. This mechanism is accessible on both sides of the actuator and can be used to ensure  
tight close-offs for valves and dampers. The manual override should not be used while a unit  
is powered or on units that are mounted in tandem.  
MAINTENANCE  
FIELD REPAIR  
Regular maintenance of the total system is recommended to assure sustained optimum  
performance. The actuators are maintenance free.  
None. Replace with a functional actuator.  
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21  
DIMENSIONAL DATA  
Figure-7 and Figure-8 dimensions are in inches (mm).  
3-1/2  
(89)  
2-25/64  
(61)  
4
(103)  
6 Holes for  
#10-24 Screws  
1
2-7/64  
(53)  
10-1/2 (267)  
7-1/2 (191)  
Dimensions shown  
are in inches (mm).  
1
Note: These are not through holes. Use hardware supplied in  
TAC approved AM kits.  
Figure-7 MA4X-707X or MA4X-715X Series Mounting Dimensions.  
22  
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F-26642-8  
 
s
6-51/64 (172)  
6-13/64 (157)  
1
13/32 (10)  
(25)  
4
3-5/32 (80)  
(103)  
2
(50)  
47/64 (19)  
3-21/32 (93)  
4-57/64 (125)  
3 Holes for  
#10-24 Screws  
1
49/64 (19)  
3-1/2 (62)  
2-13/32  
(61)  
Dimensions shown  
are in inches (mm).  
1/4 (6.4)  
1
Note: These are not through holes. Use hardware supplied in  
TAC approved AM kits.  
Figure-8 MA40-704X Series Mounting Dimensions.  
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23  
 
On October 1st, 2009, TAC became the Buildings business of its parent company Schneider Electric. This document reflects the visual 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.  
Copyright 2010, Schneider Electric  
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  
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