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MSXX10, MSXX20 Series
88 AND 175 LB-IN (10 AND 20 NM) SPRING RETURN DIRECT COUPLED
ACTUATORS
APPLICATION
MS31XX, MS41XX, MS71XX, MS75XX, MS81XX Spring
Return Direct Coupled Actuators (DCA) are used within
heating, ventilating, and air-conditioning (HVAC) systems.
They can drive a variety of quarter-turn, final control
elements requiring spring return fail-safe operation.
Applications include:
• Volume control dampers, mounted directly to the drive
shaft or remotely (with the use of accessory hardware).
• Quarter-turn rotary valves, such as ball or butterfly
valves mounted directly to the drive shaft.
• Linear stroke globe or cage valves mounted with
linkages to provide linear actuation.
FEATURES
• Brushless DC submotor with electronic stall
protection for floating/modulating models.
• Floating/Modulating models can provide two-
position (SPST) control.
• Brush DC submotor with electronic stall protection
for two-position models.
• Self-centering shaft adapter (shaft coupling) for
wide range of shaft sizes.
• Access cover to facilitate connectivity.
• Metal housing with built-in mechanical end limits.
• Spring return direction field-selectable.
• Shaft position indicator and scale.
• Manual winding capability with locking function.
• UL (cUL) listed.
• All Models are plenum-rated per UL2043.
• Models available with 3-foot, 18 AWG color-coded
cable.
• Sylk-enabled models available.
• Features shown in Table 1.
Application .....................................................................................
Features ..........................................................................................
Specifications ...............................................................................
Wiring ..............................................................................................
Operation ....................................................................................... 15
Checkout ........................................................................................ 16
PRODUCT DATA
Contents
1
1
2
8
63-2607-26
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Related Manuals for Honeywell MS 10 Series
Summary of Contents for Honeywell MS 10 Series
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Page 1: Table Of Contents
MSXX10, MSXX20 Series 88 AND 175 LB-IN (10 AND 20 NM) SPRING RETURN DIRECT COUPLED ACTUATORS PRODUCT DATA FEATURES • Brushless DC submotor with electronic stall protection for floating/modulating models. • Floating/Modulating models can provide two- position (SPST) control. • Brush DC submotor with electronic stall protection for two-position models. -
Page 2: Specifications
MSXX10, MSXX20 SERIES Table 1. Features Model Power Supply Model Number Control Input/Output SPDT Aux Torque Drive (sec) Number (including 3 Description Switch Voltage Driving ft. whip) MS7510A2008 MS7510W2008 Floating, Modulating Two-Position (SPST), MS7510A2206 MS7510W2206 Feedback Floating, Modulating 24 Vac/dc MS7510H2209 Feedback, Two-Position (SPST), Adj. - Page 3 MSXX10, MSXX20 SERIES Timing (At Rated Torque and Voltage): Drive Open (typical): Table 2. Model Selection. Floating, Modulating Models: 90 seconds. M Electrical Motor Floating, Modulating Models: 60 seconds. S Fail Safe Function (Spring Return) Two-Position Models: 40 seconds ±10 seconds. Spring Close: <25 seconds.
- Page 4 MSXX10, MSXX20 SERIES Design Life (at Rated Voltage): Accessories: Two-position models: 50,000 full stroke cycles; 27518 Balljoint (5/16 in.). 50,000 full stroke spring returns. 103598 Balljoint (1/4 in.). Floating and Modulating models: 60,000 full stroke cycles; 205860 Electronic Minimum Position Potentiometer. 1,500,000 repositions.
- Page 5 MSXX10, MSXX20 SERIES INSTALLATION When Installing this Product... Determine Appropriate Mounting Orientation 1. Read these instructions carefully. Failure to follow them could damage the product or cause a hazard- The actuators are designed to open a damper by driving ous condition. the damper shaft in either a clockwise 2.
- Page 6 MSXX10, MSXX20 SERIES Select Actuator Control Signal MS31XX These actuators are available with Sylk address selection pot and Range/Direct control selector pot. The Range pot MS41XX, MS71XX, MS75XX, MS81XX has 3 ranges that cause the actuator to be direct acting These actuators are available in two control types: and 3 ranges to cause the actuator to be reverse acting.
- Page 7 MSXX10, MSXX20 SERIES To set the fail-safe position, proceed as follows: Auto-Adapt 1. Remove the retainer clip from the shaft coupling and When using these actuators for standard stroke set it aside for later use. applications, this function can be ignored. When it is 2.
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Page 8: Wiring
MSXX10, MSXX20 SERIES Mounting CAUTION Device Malfunction Hazard. Improper shaft coupling tightening causes device malfunction. Tighten shaft coupling with proper torque to prevent damper shaft slippage. CAUTION Actuator Damage Hazard. Using actuator as shaft bearing causes device damage. Use actuator only to supply rotational torque. Avoid any side loads to actuator output coupling bearings. - Page 9 MSXX10, MSXX20 SERIES Access Cover Removal (Fig. 10) CAUTION Equipment Damage Hazard. Improper cover removal can damage electric connections. Pull the cover along the axis of the actuator. The cover contains contact sockets that must connect to actuator contact pins. Bending these pins can permanently damage the device.
- Page 10 MSXX10, MSXX20 SERIES ACTUATOR 7° 85° S2 S3 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. ENSURE PROPER GROUNDING OF ACTUATOR CASE. M33486 Fig. 12. Terminal block details. Table 6. Wiring details. Two-Position 120 Vac Terminal Floating Modulating 24 Vac 240 Vac...
- Page 11 MSXX10, MSXX20 SERIES ACTUATOR ACTUATOR 24 VAC 24 VAC OR + OR + OR N/A OR N/A SPDT NOTES: AFTER TRANSFORMER SELV–SAFETY FEEDBACK FEEDBACK EXTRA LOW VOLTAGE FOR INTERNAL NOTES: AFTER TRANSFORMER SELV–SAFETY CIRCUIT AND MOTOR. EXTRA LOW VOLTAGE FOR INTERNAL 2-10 VDC 2-10 VDC CIRCUIT AND MOTOR.
- Page 12 MSXX10, MSXX20 SERIES ACTUATOR 24 VAC 24 VAC ACTUATOR 24 VAC CONTROLLER OR + OR N/A CONTROLLER OR + FEEDBACK OR N/A 2-10 VDC FEEDBACK 10-2 VDC 0-10 VDC 2-10 VDC 10-0 VDC 10-2 VDC Fltg, fwd 0-10 VDC Fltg, rev 10-0 VDC Fltg, fwd NOTES: AFTER TRANSFORMER SELV–SAFETY EXTRA LOW VOLTAGE...
- Page 13 MSXX10, MSXX20 SERIES NOTES: AFTER TRANSFORMER SELV–SAFETY EXTRA LOW VOLTAGE FOR INTERNAL CIRCUIT AND MOTOR. ACTUATOR 7º 85º LINE VOLTAGE POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD 24 VAC PROTECTION AS REQUIRED. 24 VDC SUPPLY ACCEPTABLE. S-BUS S-BUS S2 S3 S5 S6 S-BUS S-BUS...
- Page 14 MSXX10, MSXX20 SERIES ACTUATOR 24 VAC ACTUATOR 24 VAC OR + OR + POS 50% 0/2 TO 10 VDC OR N/A PROPORTIONING FEEDBACK FEEDBACK CONTROLLER 2... 10 V 2-10 VDC 0... 10 V 10-2 VDC Service/Off 0-10 VDC 10-0 VDC 10...
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Page 15: Operation
MSXX10, MSXX20 SERIES OPERATION The actuator is designed to be used in ventilating and air conditioning installations to operate valves, dampers, ACTUATOR ventilation flaps and louvers requiring torque up to the rating. (For ratings, see the Specifications section.) If the 24 VAC power fails, the actuator will spring return to the start position. -
Page 16: Checkout
2. Apply the same signal as in step 4 of Modulating Operation. Honeywell Building Technologies In the U.S.: Honeywell 715 Peachtree Street NE ® U.S. Registered Trademark Atlanta, GA 30308 © 2019 Honeywell International Inc. 63-2607—26 M.S. Rev. 10-19 customer.honeywell.com Printed in United States...