SOLID STATE ECONOMIZER SYSTEM
63-2484—03 4
Fig. 2. Approximate dimensions of C7150B Mixed/
Discharge Air Sensor in in. (mm).
Fig. 3. Approximate dimensions of C7400 Solid State
Enthalpy Sensor/C7660 Solid State Temperature Sensor
in in. (mm).
M7415A, M8405A Damper Actuators
Provides control of economizer systems on HVAC equipment.
Actuator Rotation:
Closed position is the limit of clockwise rotation; open position
is the limit of counterclockwise rotation as viewed from the
shaft end of the motor.
Auxiliary Switch Rating (M8405A only):
24 Vac, 20 VA inrush, 20 VA run.
Terminal Connections:
1/4 in. (6 mm) male quick connect terminals mounted on
actuator. Terminal arrangement is dependent on actuator
model.
Ambient Operating Temperature Range:
-40°F to +125°F (-40°C to +52°C).
Voltage and Timing:
See Table 1.
Dimensions:
See Fig. 4.
Shaft:
Single-ended drive shaft with crank arm supplied.
Flammability Rating:
Underwriters Laboratories Inc. UL94-5V.
Approval:
Underwriters Laboratories Inc. Component Recognized: File
No. E4436, Guide No. XAPX2, Vol. 9, Section 1, 7-25-83.
SPECIFICATIONS: M7215
Models: ML7215: 25 lb-in. (2.8 Nm) torque, foot-mounted
spring-return damper motor with 2-10 Vdc feedback signal.
Accepts 2-10 Vdc control signal.
Dimensions: See Fig. 4.
Electrical Ratings:
Supply Voltage: 24 ±6 Vac 50/60 Hz.
Power Consumption: 24 Vac, 60 Hz: 8.7 VA. 24 Vac, 50 Hz:
8.4 VA.
Torque:
Lift and Hold: 25 lb-in. (2.8 Nm). Spring Return: 25 lb-in.
(2.8 Nm). Breakaway: 40 lb-in. (4.5 Nm).
IMPORTANT
Never use motor continuously at the breakaway
torque rating.
NOTE: Breakaway torque available to overcome occasional
large loads such as a seized damper.
Stroke:
Travel: 90°.
Timing:
Driving: 86 ±5 seconds.
Spring Return: 13 ±5 seconds.
Motor Rotation (Viewed From Shaft End):
Closed Position: Limit of clockwise rotation.
Open Position: Limit of counterclockwise rotation.
Crank Arm Rotation Limits: See Fig. 8.
Shipped with shaft in closed position.
Ambient Ratings:
Temperature:
Operating: -25°F to +125°F (-32°C to +52°C).
Storage: -30°F to +150°F (-34°C to +66°C).
Humidity: 5 to 95 percent RH, noncondensing.
3/16 (5) DIAMETER
2-1/2 (64)
2
(51)
3/4
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M9084
M9096
S
+
9/16
(14)
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5/16 (8)
3-5/32
(80)
2-3/4
(70)
1 (25)
7/32
(6)
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