PRODUCT DATA
63- 2202- 4
® U.S. Registered Trademark
Copyright © 2000 Honeywell • All Rights Reserved
®
Series 72
Modutrol IV™ Motors
APPLICATION
The Series 72 Modutrol IV Motors are used to control
dampers and valves. The motors accept a current or voltage
signal from an electronic controller to position a damper or
valve at any point between open and closed.
FEATURES
• Replaces M744S,T,Y and M745S,T,Y Motors.
• M7261, M7274, M7281, M7284, and M7294 are
non-spring return motors; M7272, M7282, M7285,
and M7286 are spring return motors.
• Oil immersed motor and gear train for reliable
performance and long life.
• Wiring box provides NEMA 3 weather protection.
• Actuator motor and circuitry operate from 24 Vac.
Models available with factory installed transformer
or an internal transformer can be field added.
• Quick connect terminals standard—screw terminal
adapter available.
• Adapter bracket for matching shaft height of older
motors is standard with replacement motors.
• Nominal timing of 30 seconds for 90° stroke and
60 seconds for 160° stroke.
• Valve and damper linkages, explosion-proof housing,
and auxiliary switches available as accessories.
• Spring return motors are rated for 25 lb.-in. and
60 lb.-in torque.
• Non-spring return motors are rated for 35 lb.-in.,
75 lb.-in., 150 lb.-in., and 300 lb.-in. torque.
• Models available with adjustable start (zero) and span.
• Models available with 4 to 20 mA input signal.
• Models available with 2 to 10 Vdc input signal.
• Die-cast aluminum housing.
Contents
Application ........................................................................ 1
Features ........................................................................... 1
Specifications ................................................................... 2
Ordering Information ........................................................ 2
Installation ........................................................................ 5
Settings and Adjustments ................................................. 10
Operation and Checkout .................................................. 12
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