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Johnson Controls EDA-8102 Manual
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Johnson Controls EDA-8102 Manual

Johnson Controls EDA-8102 Manual

Electric damper actuator proportional control with spring return
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EDA-8102 Electric Damper Actuator
Proportional Control with Spring Return
The EDA-8102 Electric Damper Actuator provides
clockwise and counterclockwise proportional control of
dampers and mounts directly on the damper drive
shaft, eliminating the need for costly and complicated
linkage combinations.
The mechanically limited torque output of 100 in·lb
provides long actuator life, protection of the controlled
equipment, and minimal setup and calibration time.
The EDA-8102 Electric Damper Actuator operates on
24 VAC power. It can be ordered with clockwise or
counterclockwise return to normal.
Direct Mount
Over Torque Protection (Patent Pending)
Up to 90 Degree Clockwise or
Counterclockwise Rotation
Precise Positioning Adjustable Within Any of
the Following Input Signals: 0 to 15 VDC,
0 to 20 mA, or 135 ohm Slidewire
Coupler Fits 10 to 12 mm (0.394 to 0.472 inch)
Square or 7/16 to 1/2 inch (11 to 12.5 mm)
Round Damper Shafts
Designed to Meet 300,000 Driven Cycles
Metasys ® Network Compatible
© 1994 Johnson Controls, Inc.
Part No. 34-621-31, Rev. A
Features and Benefits
Simplifies installation
Eliminates the need for setup or maintenance of
limit switches. Extends the life of the actuator.
Increases application versatility
Assures compatibility with most HVAC
controllers
Increases application versatility
Provides longer actuator life
Provides seamless integration for efficient,
cost-effective, facility-wide control
FANs 268.1, 125
Product/Technical Bulletin 8102
Figure 1: EDA-8102 Actuator
Issue Date 0394
1

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Summary of Contents for Johnson Controls EDA-8102

  • Page 1 Figure 1: EDA-8102 Actuator The EDA-8102 Electric Damper Actuator operates on 24 VAC power. It can be ordered with clockwise or counterclockwise return to normal.
  • Page 2 Overview drives the actuator to the mechanical limit. This will drive the damper blades to an open or closed position The EDA-8102 is designed to regulate control air (clockwise or counterclockwise, based on model dampers in HVAC systems. Typical applications selection).
  • Page 3 2.33 (4 Places) 8.78 (223) (59) 9.26 (235) (3 x 0.875) for 1/2 in. Conduit 4.34 (110) 3.27 (83) 6.71 (174) 0.92 0.70 Flexible (37) 8.33 (212) (23) (18) Grommet (2 Required) (25) Figure 3: Dimensions (inches/mm) EDA-8102 Product/Technical Bulletin...
  • Page 4 Standard Mounting iring The EDA-8102 is not position sensitive and can be mounted in any convenient orientation on a duct or wall that is 16 gauge (0.06 inch or 1.5 mm) or thicker as CAUTION: Disconnect all power before long as the drive shaft is perpendicular to the mounting wiring the actuator to avoid surface of the actuator.
  • Page 5 Figure 12: Multiple Actuators, Current Controller Drives ActuatorCCW Drives Actuator CW When Contact Closes When Contact Closes Note: Separate or isolation transformers must be Figure 9: Potentiometer Controller with High or Low used for this application. Limit with SPDT Switch EDA-8102 Product/Technical Bulletin...
  • Page 6 Potentiometer R39--controls counterclockwise input signal limit regardless of W1 position Note: If R36 or R37 potentiometers are turned fully clockwise, they have no effect on the actuator operation. The actuator will drive to the mechanical limits. 6 EDA-8102 Product/Technical Bulletin...
  • Page 7 Procedure alibration Procedures The EDA-8102 is factory set for: Note: If the actuator becomes inoperable during adjustment procedures, return the actuator to direct acting operation by returning to the following section. 90 degrees of rotation control signal of 1 to 9 VDC...
  • Page 8 Minor adjustments Current on page 9 may be necessary. Slidewire on page 10 10. Perform the appropriate input calibration procedure for the signal being used: Voltage on page 9 Current on page 9 Slidewire on page 10 8 EDA-8102 Product/Technical Bulletin...

  • Page 9: Input Voltage

    6. Turn R39 counterclockwise until the actuator starts Figure 23: Current Input Connection to rotate clockwise. 2. Move jumper W1 to the I position as shown in Figure 23. EDA-8102 Product/Technical Bulletin...
  • Page 10 Minor adjustments to R35 and 1. Verify that power is turned off. R39 may be necessary. 12. Install the plastic cover and procedure is completed. 10 EDA-8102 Product/Technical Bulletin...
  • Page 11 When testing for presence of power or signals, insert the probe into the wire entrance of the terminal block. The EDA-8102 is not field repairable. For a Do not use the screw as a test point. replacement, contact the nearest Johnson Controls branch office or your wholesale distributor.
  • Page 12 The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these specifications, consult the local Johnson Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products.