1 63-2202—3
CONTENTS
Specifications ................................................. 2
Ordering Information ..................................... 2
Installation ..................................................... 4
Settings and Adjustments..............................10
Operation and Checkout ..............................11
G. R. • Rev. 8-93 • ©Honeywell Inc. 1993 • Form Number 63-2202—3
The M72XX series Modutrol IV Motors are
used to control dampers and valves. The mo-
tors accept a current or voltage signal from an
electronic controller to position a damper or
valve at any point between open and closed.
■ 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 per-
formance 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 termi-
nal 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 hous-
ing, 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 magnesium housing.
M7261, M7272, M7274, M7281,
M7282, M7284, M7285, M7286,
M7294 Modutrol IV Motors
To Next Page
Need help?
General