Honeywell M7281, M7261, M7282, M7284, M7285 Product Data
...
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.
Series 72
Modutrol IV™ Motors
PRODUCT DATA
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.
® U.S. Registered Trademark
Copyright © 2000 Honeywell • All Rights Reserved
Application ........................................................................ 1
Features ........................................................................... 1
Specifications ................................................................... 2
Ordering Information ........................................................ 2
Installation ........................................................................ 5
Settings and Adjustments ................................................. 10
Operation and Checkout .................................................. 12
®
Contents
63- 2202-4
SERIES 72 MODUTROL IV™ MOTORS
SPECIFICATIONS
Models:
provide ease of stocking, ease of handling and maximum
replacement value. TRADELINE model specifications are the
same as those of st andard model s unless sp ecified ot herwise.
TRADELINE models have auxiliary switch cams.
NOTE: Auxiliary switches can only be added to motors that
M
TRADELINE models are selected and packaged to
include auxiliary switch cams. (These cams cannot
be field-added.)
Table 1. Modutrol IV Order Number Guide.
Motor
72
4-20 mA or 2-10 Vdc Control
6
7
8
9
— 35 lb-in. Non-Spring Return
25 lb-in. Spring Return 75 lb-in. Non-Spring Return
60 lb-in. Spring Return 150 lb-in. Non-Spring Return
— 300 lb-in. Non-Spring Return
1
a
Single-ended shaft Non-Spring Return
2
4
Dual-ended shaft Non-Spring Return
5
6
A
B
C
D
F
G
L
Q
IMPORTANT
The specifications given in this publication do not
include normal manufa cturin g tolera nces. Therefor e,
an individual unit may not exactly match the listed
specifications. Also, this product is tested and
calibrated under closely controlled conditions and
some minor differences in performance can be
expected if those conditions are cha nged.
Modutrol IV Order Number Guide:
Dimensions:
See Fig. 1.
Normally Closed
Normally Closed
Normally Openc Spring Return
0 Auxiliary Switches Fixed Stroke
1 Auxiliary Switch
2 Auxiliary Switches
0 Auxiliary Switch Adjustable Stroke
2 Auxiliary Switches
0 Auxiliary Switch Fixed Stroke
1 Auxiliary Switch Adjustable Stroke
2 Auxiliary Switches Fixed Stroke
See Table 1.
b
Spring Return
b
Spring Return
Normally Closed
Normally Open
Normally Closed
b
c
b
M6184AXXXX
a
Adjustable zero and span.
b
Electrically normally clos ed. Shaf t rotates clock wise (v iewed fro m the powe r end) wit h incre ase i n control s ignal . Moto r drives to
See Catalog for Complete O.S. Number
normally closed positi on when power ed with control wiring not connected.
c
Electrically normally open. Shaft rotates counterclockwise (viewed from the power end) with increase in control signal. Motor
drives to normally open position when powered with control wiring not connected.
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1.
Your local Home and Building Control Sales Office (check white pages of your phone directory).
2.
Home and Building Control Customer Relations
Honeywell, 1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
63-2202—42
SERIES 72 MODUTROL IV™ MOTORS
TOP VIEW OF BRACKET TOP VIEW
1/4
(7)
1
AUXILARY
END
9/16 (15)
ADAPTER
BRACKET
5
3
4
4-1/16 (103)
1-1/2 (37)
4-1/16 (103)
4-1/16 (103)
2
13/16
(20)
POWER
END
1-1/2 (37)
WIRING
BOX
4-7/8
(124)
3/4
(19)
MOTOR
2-9/16
(66)
3/4
(19)
5-1/2
(140)
5-3/8
(137)
6-7/16
(164)
4-5/8
(116)
11/16
POWER END
1/4 (7)
4-7/8 (124)
5-9/16 (141)
SPRING RETURN MODEL SHOWN
SOME MODELS DO NOT HAVE AN AUXILIARY
1
SHAFT. ALL OTHER DIMENSIONS ARE THE SAME.
2
FOR HIGH TORQUE (60 LB-IN.) SPRING RETURN
MODELS 8-3/4 (222); FOR LOW TORQUE (25 LB-IN.)
SPRING RETURN MODELS 8-1/4 (210);
NON-SPRING RETURN MODELS 7-5/16 (185).
FOR HIGH TORQUE (60 LB-IN.) SPRING
3
RETURN MODELS (SHOWN).
4
FOR LOW TORQUE (25 LB-IN.) SPRING
RETURN MODELS.
5
FOR NON-SPRING RETURN MODELS.
2-5/16
(58)
(17)
4-1/4
(107)
5-13/16
(148)
M17089BB
Fig. 1. Series 72 Modutrol IV Motor dimensions in in. (mm).
Controller:
These motors can be used with any electronic
controller that provides a stable noise-free proportional
current output as specified in Electrical Ratings, Input
Range below.
Electrical Ratings:
Power Consumption: See Table 2.
Input Range:
Current, Nonadjustable: 4 to 20 mA nominal, 25 mA
maximum.
Current, Adjustable: 4 to 20 mA adjustable, 50 mA
maximum.
Zero/Null (Motor Closed): 0.08 to 18 mA.
Span: 1.8 to 18 mA.
Voltage, Nonadjustable: 2 to 10 Vdc.
Input Impedance:
4 to 20 mA Input: 100 ohms.
2 to 10 Vdc Input: 400K ohms.
Table 2. Series 72 Modutrol IV Motor Power
Consumption Ratings (at 120 Vac, 50/60 Hz).
Power Consumption
Model
Watts Amps
M7261 19 0.20
M7272 26 0.26
M7274 15 0.71
M7281 23 0.24
M7282 28 0.28
M7284 23 0.24
M7285 28 0.28
M7286 23 1.00
M7294 23 0.24
3 63-2202—4
SERIES 72 MODUTROL IV™ MOTORS
Auxiliary Switch Ratings (in Amps):
See Table 3.
Table 3. Auxiliary Switch Ratings (in Amps).
One Contact
Rating
a
120V 240V
Full Load 7.2 3.6
Locked Rotor 43.2 21.6
a
40 VA pilot duty, 120/240 Vac on opposite contact.
Stroke:
Fixed 90° or 160° models available. Other models
available with field adjustable strokes from 90° to 160°.
Stroke adjusted by means of cams located in the wiring
compartment.
Timing:
Nominal 30 seconds for 90° stroke and 60 seconds
for 160° stroke.
Dead Weight Load On Shaft:
200 lb (91 kg) on motor power
or auxiliary end; maximum combined load of 300 lb (136 kg).
Motor Rotation:
Closed: Counterclockwise rotation limit as viewed from motor
power end.
Open: Clockwise rotation limit as viewed from motor power
end.
Mechanically Normal ly Closed: Sprin g return. Normally clo sed
motors rotate to closed position on power loss.
Mechanically Normally Open: Spring return. Normally open
motors rotate to open position on power loss.
Electrically Normally Closed: Both spring return and non-
spring motors return to closed position on minimum signal.
Electrically Normall y Op en: Both sp rin g re turn an d n on-s pri ng
return motors return to open position on minimum signal.
Ambient Temperature Ratings:
Shaft:
3/8 in. [9.5 mm] square.
-40 to 150°F (-40 to 66°C).
Approvals:
Underwriters Laboratories Inc. Listed: File No. E4436; Guide
No. XAPX.
Canadian Standards As soc ia tio n Certi fied: General listed File
No. LR1620; Guide No. 400-E.
Accessories:
198162AA Internal Transformer 120/208/240 Vac 50/60 Hz
primary, 24 Vac secondary.
198162EA Internal Transformer; 120 Vac 50/60 Hz primary,
24 Vac sec ond ary.
198162GA Internal Transformer; 220 Vac 50/60 Hz primary,
24 Vac sec ond ary.
198162JA Internal Transformer; 24 Vac 50/60 Hz primary,
24 Vac secondary (for electrical isolation).
220736A Internal Auxiliary Switch Kit; one switch, can be
field-installed on TRADELINE models.
220736B Internal Auxiliary Switch Kit; two switches, can be
field-installed on TRADELINE models.
220738A Adapter Bracke t rais es m otor shaf t heig ht by 19 mm
to match that of previous Modutrol
®
Motor models.
220741A Screw Terminal Adapter converts the standard
quick-connect terminals to screw terminals.
221455A Infinitely Adjustable Crank Arm, can rotate through
downward position and clear motor base without requiring
an adapter bracket.
4074ERU Weatherproofing Kit provides NEMA 3 rating for
Modutrol IV Motors mounted in position other than upright.
4074EZE Bag Assembly with parts that can provide CE
compliance.
7617ADW Crank Arm, can rotate through downward position
and clear motor base without requiring an adapter bracket.
ES650-117 Explosion-Proof Housing encloses motor for use
in explosive atmospheres. Not for use with Q5001 (or any
other valve linkages). Order separately from O-Z/Gedney
Inc. T o order , contac t: O-Z/Gedney, Nelson Enclosures and
Controls,
(918) 641-7381 or (918) 641-7374; or write to:
O-Z/Gedney, Nelson Enclosures and Controls
P.O. Box 471650
Tulsa, OK 74147-1 65 0
(Requires Honeywell 7617DM Coupling.)
Q100 Linkage connects Modu trol
®
Motor to V51 Butterfly
Valve. Requires the 220738A Adapter Bracket.
Q181 Auxiliary Potentiometer for sequence or unison control
of 1 to 4 additional modulating (Series 90) motors.
Q5001 Bracket and Linkage Assembly connects Modutrol IV
Motor to water or steam valve.
Q605 Damper Linkage connects motor to damper. Includes
motor crank arm.
Q607 External Auxiliary Switch controls auxiliary equipment
as a function of motor position.
63-2202—44
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