M9484 AND M9494 MODUTROL MOTORS ARE LOW
VOLTAGE, REVERSING PROPORTIONAL CONTROL
ACTUATORS FOR VALVES, DAMPERS AND AUXILIARY EQUIPMENT. THEY ARE ESPECIALLY DESIGNED
GAS BURNER CONTROL SYSTEMS.
•i Replace M941 motors.
0
formance and long life.
0
0
AC. Models available with factory installed transformer,
or internal transformer can be field added.
Cl
adapter available.
FORCOMMERCIALOR INDUSTRIALOILOR
Oil immersed motor and gear train for reliable per-
Wiring box provides NEMA 3 weather protection.
Actuator motor and circuitry operate from 24 volts
Quick-connect terminals standard - screw terminal
Cl
Adapter bracket for matching shaft height of older
motors is standard with replacement motors.
0
Field adjustable stroke (90” to 160’) models avail-
able.
q
Nominal timing of 30 seconds for 90” and 60 sec-
onds for
available.
0
Die-cast magnesium housing.
q Available accessories include valve and damper
linkages, explosion proof housing, and auxiliary
,
switches.
0
wiring box to upgrade actuator to Series 70 (electronic)
control.
•i
0
dard timings.
cl
minute timings for
160”
stroke is standard. Other timings are
Field addable interface modules can be mounted in
Models available with tapped output shaft.
M9481,
M9484 rated for 150 lb.-in. torque at stan-
M9491,
M9494 rated for 300 lb.-in. torque at 2 or 4
160“
stroke.
S.M.
Rev. 11-90
Form Number 63-2195-l
@Honeywell Inc. 1990
STANDARD MODELS
control Type
94 is Series 90
Power Rating
8
is high torque
150 lb.-in. at
standard timing
9 is high torque
300
2 or 4 min timing
Output Drive
4 is dual-ended shaft,
non-spring return
1 is single-ended shaft,
non-spring return
NOTE: Some motors furnished to equipment manufactur-
ers will have no adapter bracket, a single-ended shaft
and/or no wiring box.
CONTROLLER TYPE: Series 90 Control Circuit-135
ohm series 90 proportioning controller. Series 90 high
or low limit controller with manual minimum position po-
tentiometer (with a combined total resistance of up to
500 ohms) may also be used in the control circuit.
MOTOR ROTATION: Normally
tion is the limit of counterclockwise rotation as viewed
from the power end of the motor. See Fig 2.
clockwise (as viewed from the power end). Motors are
shipped in the closed position.
~~ I
lb.-in.at
T
TTLix
D:
is adjustable stroke
(90°
No auxiliary switches
E:
is adjustable stroke
(90°
1 auxiliary switch
is adjustable stroke
F:
(90°
2 auxiliary switches
closeda.
Letter
to 1
60°)
to 1
60°)
to 1
60°)
The closed posi-
Motor opens
ELECTRICAL RATINGS:
POWER
CONSUMP-
TfON
(W)
18
Without
VOLTAGE
CURRENT
DRAW (A)
24
0.8
Transformer
With internal
120
0.24
23
Transformer
208 0.14
240 0.12
STROKE: Field adjustable from
90”
to
160”.
23
23
Start position
of shaft changes with adjustment of stroke. (Midpoint of
stroke remains fixed as stroke is adjusted, as shown in
Fig. 2.) Stroke is adjusted by means of cams located in
wiring compartment. (See Stroke Setting Procedure.)
Motors are shipped with stroke set at
90”.
DEAD WEIGHT LOAD ON SHAFT:
Power or Auxiliary End-200 lb.
Maximum Combined Load-300 lb.
[90.8
kg] maximum.
[136
kg].
AMBIENT TEMPERATURE RATINGS:
Maximum-150°
Minimum-minus 40” F
CRANKSHAFT:
F [66” C] @ 25% duty cycle.
[-40°
318
inch
[9.5mm]
C].
square
M9484, M9494 have double-ended shaft.
M9481, M9491 have single-ended shaft.
aThe
normal position is the position the motor will assume