Johnson Controls EDA-8102 User manual

FANs 268.1, 125

Product/Technical Bulletin 8102

Issue Date 0394

Part No. 34-621-31, Rev. A

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.

EDA-8102 Electric Damper Actuator

Proportional Control with Spring Return

Figure 1: EDA-8102 Actuator

Features and Benefits

❑Direct Mount Simplifies installation

❑Over Torque Protection (Patent Pending) Eliminates the need for setup or maintenance of

limit switches. Extends the life of the actuator.

❑Up to 90 Degree Clockwise or

Counterclockwise Rotation Increases application versatility

❑Precise Positioning Adjustable Within Any of

the Following Input Signals: 0 to 15 VDC,

0 to 20 mA, or 135 ohm Slidewire

Assures compatibility with most HVAC

controllers

❑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

Increases application versatility

❑Designed to Meet 300,000 Driven Cycles Provides longer actuator life

❑Metasys®Network Compatible Provides seamless integration for efficient,

cost-effective, facility-wide control

2 EDA-8102 Product/Technical Bulletin

pplication Overview

The EDA-8102 is designed to regulate control air

dampers in HVAC systems. Typical applications

include:

●positioning of D-1300 Series Dampers

●outdoor air, return air, or exhaust dampers

●face and bypass control

●blade positioning for variable volume fans

Refer to damper manufacturer’s information to properly

size the damper and actuator. Return to normal

actuators are recommended for use with outdoor air

dampers.

perations

The EDA-8102 Electric Damper Actuator provides a

stall torque output of 100 in·lb with proportional control

of dampers. It can also be used in a variety of other

applications at 80 in·lb continuous load.

The EDA-8102 is used on dampers having externally

accessible 10 to 12 mm (0.394 to 0.472 inch) square

or 7/16 to 1/2 inch (11 to 12.5 mm) round shafts.

It is compatible with Johnson Controls D-1300

Dampers as a direct mount actuator. The EDA-8102

housing has additional mounting slots to aid adaptation

to unusual applications. Several kits are available to

solve virtually any mounting situation.

The EDA-8102 spring return actuator drives the

damper through a full stroke cycle of 90 degrees in 180

seconds. The spring return provides 100 in·lb of

torque to return the damper blades to a normal position

upon loss of power.

Note: The spring return feature is intended only as a

safety feature to drive the actuator during a

power interruption. Continuous use of the

spring return during normal operation shortens

the life of the actuator.

In a typical proportional application, depending on how

the actuator is configured during installation, either a

change in voltage, current, or resistive input initiates

rotation. The damper blades rotate to a position

proportional to the input signal. The actuator holds its

position when change in signal is balanced by the

internal feedback potentiometer.

When no control signal is present, the actuator returns

to its electrical zero position.

When no 24 VAC power is present, the spring return

drives the actuator to the mechanical limit. This will

drive the damper blades to an open or closed position

(clockwise or counterclockwise, based on model

selection).

nstallation

Kit Includes

●EDA-8102-110X Electric Damper Actuator for direct

shaft mounting (0 = counterclockwise spring return,

1 = clockwise spring return)

●two No. 10 mounting screws

●two isolator grommets

Tools Required

●screwdriver, flat-blade, 1/4 to 5/16 inch and 1/8 inch

tips

●drill, 5/32 inch

●drill bits, (4 mm) and 11/64 inch (5 mm)

●hole saw, 1-1/4 inch (32 mm)

●adjustable wrench

●pliers

●test leads or No. 18 gauge wire for jumpers

Accessories

●D-9999-142 blade pin extension for JCI

D-1300 dampers

●D-9999-134 blade pin extension for JCI

D-1300 dampers (includes D-3153-105)

●D-3153-105 universal mounting bracket if mounted

on duct or wall less than 16 gauge

●EDA-8000-101 adjustable bracket for spanning

channels or objects

EDA-8102 Product/Technical Bulletin 3

Dimensions

Note: The actuator requires a minimum damper shaft

length of four inches from the mounting

surface. When determining shaft length,

consideration has to be given to channel

depth, insulation, etc. Refer to the following

dimensional drawings.

Before starting the job, obtain the damper installation

information for the location to use as a reference when

mounting the actuator.

6 inch Minimum

for Cover

Removal, Wiring,

and Adjustments

Figure 2: Cover Removal Dimensional Requirement

No. 10 Slots for Remote

Mounting (4 Places)

2.33

(59)

1.50

(38)

0.75

(19)

6.94 (176)

8.78 (223)

9.26 (235)

4.34

(110)

(3 x 0.875) for

1/2 in. Conduit

Flexible

Grommet

(2 Required)

3.27

(83)

0.92

(23) 0.70

(18)

6.71 (174)

No. 10 Slots for

Side Mounting

(4 Places)

(25)

1.5

(37)

2.5 (63) 1.5 (32)

(75)

8.33 (212)

4.65

(118)

Figure 3: Dimensions (inches/mm)

If access to the damper shaft is limited, or internal

mounting is required, mount the actuator remotely by

installing a six inch long, 1/2 inch diameter rod into the

coupler and use linkage accessories shown in the

Damper Accessory Kits

Order No. 268.1-100

located

in the

Damper and Actuator Manual, FAN 268.1

Mounting

CAUTIONS:

●Follow NEC and local electrical codes.

●Disconnect power supplies.

●Observe the ranges and limitations found in

Specifications.

●Do not install the actuator in applications

where its failure could result in personal injury

and/or loss of property.

●Do not install if explosive vapors, corrosive

vapors, or escaping gases will be present.

●Add protective control devices, as needed, to

prevent undesirable system failure modes.

Note: Use of the actuator’s top and bottom center

mounting slots with the isolation grommets is

the preferred mounting arrangement when

using shafts 10 mm (0.472 inch) square or

7/16 inch (11 mm) round or larger. If the duct

or wall is less than 16 gauge (0.06 inch or

1.5 mm), use the Universal Mounting Bracket

(D-3153-105).

When using the blade pin extension, follow installation

procedures packaged with the product.

4 EDA-8102 Product/Technical Bulletin

Standard Mounting

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

long as the drive shaft is perpendicular to the mounting

surface of the actuator.

Because of the spring return, the EDA-8102 gear

release lever is not operational.

Top Center

Mounting Slot

Figure 4: Actuator Against Duct

1. Position the actuator onto the blade pin extension

so that the actuator sits against the duct as shown

in Figure 4.

Note: The bottom center mounting hole looks the

same as the top mounting hole illustrated in

Figure 4.

2. Mark the location of the actuator’s top and bottom

mounting slots on the duct or wall.

3. Remove the actuator and coupler and set aside.

4. Drill two 5/32 inch (4 mm) holes in the duct or wall

at the marked locations.

5. Slide the actuator and coupler onto the pin

extension.

6. Secure the actuator to the wall or duct with the

screws and isolation grommets included in the kit.

Note: Be careful not to drive the screws into the

damper linkage.

7. Tighten the two square-head screws on the

actuator coupler.

iring

CAUTION: Disconnect all power before

wiring the actuator to avoid

electrical shock or damaging the

equipment.

Figure 5: Removing Cover

1. Insert a screwdriver under the edge of the plastic

cover and carefully pry off the cover as shown in

Figure 5.

Conduit

Opening

Covers

Conduit Opening

Figure 6: Conduit Openings

2. Insert the conduit and wires from the controller

through one of the three conduit openings.

3. Install the black plugs in the other two openings.

See Figure 6.

EDA-8102 Product/Technical Bulletin 5

Input Voltage

Common

24 VAC Input Power

+15 V Output

Supply

Slidewire

Auxiliary Input

TB1

TB2

COMIN

+15 AUXIN

Figure 7: Identification of Wiring Connections

4. Connect the leads to Terminal Block 1 (TB1) or

Terminal Block 2 (TB2) as required for the input

signal to be used. See Figure 7 for general

location and designations or refer to Figures 21,

23, or 24 for specific terminals.

ypical Applications

The following are for direct acting. Reverse acting

rotation will be opposite the information shown.

Note: Do not use potentiometer controllers in high

noise environments or with long cable lengths.

Drives Actuator CCW

When Contact Opens Drives Actuator CW

When Contact Opens

COM

+15

AUX IN

EDA-8X02

VAC

COM

+15

AUX IN

EDA-8X02

VAC

Figure 8: Potentiometer Controller with High and

Low Limit with SPST Switch

Drives ActuatorCCW

When Contact Closes Drives Actuator CW

When Contact Closes

COM

+15

AUX IN

EDA-8X02

VAC

COM

+15

AUX IN

EDA-8X02

VAC

Figure 9: Potentiometer Controller with High or Low

Limit with SPDT Switch

135 ohm

Main

Controller

Drives CW

VAC

COM

+15

AUX IN

EDA-8X02

VAC

COM

+15

AUX IN

EDA-8X02

135 ohm

Main

Controller

Drives CCW

Figure 10: Potentiometer Controller with Proportional

Override

For override use:

Y45AA-1 (135 ohm) for 0 to 50% control

Y45AA-2 (350 ohm) for 0 to 70% control

Y45AA-9 (1000 ohm) for 0 to 100% control

COM

+15

AUX IN

EDA-8X02

VAC

1 - 5 VDC

Controller

COM

+15

AUX IN

EDA-8X02

VAC

COM

+15

AUX IN

EDA-8X02

VAC

Figure 11: Multiple Actuators, Voltage Controller

Note: It is suggested that separate or isolation

transformers be used for this application.

COM

+15

AUX IN

EDA-8X02

VAC

4 - 20 mA

Controller

COM

+15

AUX IN

EDA-8X02

VAC

COM

+15

AUX IN

EDA-8X02

VAC

Figure 12: Multiple Actuators, Current Controller

Note: Separate or isolation transformers must be

used for this application.

6 EDA-8102 Product/Technical Bulletin

COM

+15

AUX IN

EDA-8X02

VAC

135 ohm

Controller

COM

+15

AUX IN

EDA-8X02

VAC

COM

+15

AUX IN

EDA-8X02

VAC

Figure 13: Multiple Actuators, Slidewire Controller

Note: It is suggested that separate or isolation

transformers be used for this application.

lossary

Following are descriptions of terms used in the

adjustment procedures:

0 VDC 15 VDC

CCW

Figure 14: Direct Acting Operation Curve

●Direct acting--refers to the operation of the

actuator and not the damper, where an increase of

input signal drives the actuator coupler clockwise,

jumper W1 set to DCW

0 VDC 15 VDC

CCW

Figure 15: Reverse Acting Operation Curve

●Reverse acting--refers to the operation of the

actuator and not the damper, where an increase of

input signal drives the actuator coupler

counterclockwise, jumper W1 set to DCCW

●Potentiometer R36--provides counterclockwise

electrical end stop regardless of W1 position

●Potentiometer R37--provides clockwise electrical

end stop regardless of W1 position

●Potentiometer R35--controls clockwise input signal

limit regardless of W1 position

●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.

EDA-8102 Product/Technical Bulletin 7

heckout Procedure

The EDA-8102 is factory set for:

●direct acting

●90 degrees of rotation

●control signal of 1 to 9 VDC

If rotation and control signals are set to the desired

configuration as received from the factory, follow these

steps to verify operation after all wiring connections

have been completed:

DCW

DCCW

Figure 16: Jumper Locations

1. Verify that jumper W1 matches the direction and

W2 matches the control signal that will be used.

See Figure 16 for locations and Table 1 for

settings.

Table 1: Jumper Setting

Operating Mode Jumper Setting

Direct Acting W1 to DCW

Reverse Acting W1 to DCCW

Voltage (0 to 15 VDC) W2 to Voltage

Current (0 to 20 mA) W2 to 0-20

Slidewire (135 ohm) W2 to Voltage

2. Apply power to the unit.

3. Refer to the controller’s manual for directions on

checking out a newly installed device.

4. Use the controller to drive the actuator fully

clockwise and counterclockwise.

5. Verify that the damper blades fully open and close.

6. If the factory settings are not correct, perform the

appropriate

Calibration Procedures

, otherwise,

install the plastic cover and checkout is completed.

alibration Procedures

Note: If the actuator becomes inoperable during

adjustment procedures, return the actuator to

operation by returning to the following section.

Changing Amount of Rotation

This procedure is performed to reduce the amount of

rotation from 90 degrees or return the amount of

rotation to 90 degrees.

Note: This procedure alters the input signal

calibration.

R35

R36

R37

R39

Figure 17: Potentiometer Locations

Prior to setting direct or reverse action, turn the

potentiometers identified in Figure 17 to the following

positions:

R35 fully counterclockwise

R36 fully clockwise

R37 fully clockwise

R39 to its mid-position

Direct Acting

1. Verify that power is turned off.

DCW

DCCW

Figure 18: Direct Acting Rotation Setting

2. Verify jumper W1 is set to the direct acting

DCW

position and jumper W2 is set to the

voltage

position as shown in Figure 18.

8 EDA-8102 Product/Technical Bulletin

Jumper

AUX IN

+1VDC

COM

TB1 TB2

+15V

Figure 19: Jumper Installation

3. Connect a jumper from terminal IN (TB1) to

terminal +15 V (TB2) as shown in Figure 19.

4. With the 24 VAC input properly wired to terminals

AC and COM (TB1), apply power and the actuator

will rotate clockwise until the mechanical limit is

reached.

5. After the actuator has reached the mechanical

limit, incrementally adjust R37 counterclockwise

until the actuator rotates to the desired electrical

end stop for clockwise rotation.

Note: If R36 and R37 remain turned fully clockwise,

they will have no effect on the actuator

operation. The actuator will drive to the

mechanical limit.

6. Remove power to the unit and then remove the

jumper from terminals IN (TB1) and +15V (TB2).

7. Apply power and the actuator will rotate

counterclockwise until the mechanical limit is

reached.

8. After the actuator has reached the mechanical

limit, incrementally turn R36 counterclockwise until

the actuator rotates to the desired electrical end

stop for counterclockwise rotation.

9. Remove power to the unit and then connect the

jumper from terminals IN (TB1) and +15V (TB2).

Verify that the actuator is rotating full stroke to the

proper electrical end stops. Minor adjustments

may be necessary

10. Perform the appropriate input calibration procedure

for the signal being used:

Voltage on page 9

Current on page 9

Slidewire on page 10

Reverse Acting

1. Verify that power is turned off.

DCW

DCCW

Figure 20: Reverse Acting W1 Setting

2. Move jumper W1 to the

DCCW

position as shown

in Figure 20 and verify jumper W2 is set to the

voltage

position.

3. Connect a jumper from terminal IN (TB1) to

terminal +15 V (TB2) as shown in Figure 19.

4. With the 24 VAC input properly wired to terminals

AC and COM (TB1), apply power and the actuator

will rotate counterclockwise until the mechanical

limit is reached.

5. After the actuator has reached the mechanical

limit, incrementally adjust R36 counterclockwise

until the actuator rotates to the desired electrical

end stop for counterclockwise rotation.

Note: If R36 and R37 are turned fully clockwise, they

have no effect on the actuator operation. The

actuator will drive to the mechanical limits.

6. Remove power to the unit and then remove the

jumper from terminals IN (TB1) and +15V (TB2).

7. Apply power and the actuator will rotate clockwise

until the mechanical limit is reached.

8. After the actuator has reached the mechanical

limit, incrementally adjust R37 counterclockwise

until the actuator rotates to the desired electrical

end stop for clockwise rotation.

9. Remove power to the unit and then connect the

jumper from terminals IN (TB1) and +15V (TB2).

Verify that the actuator is rotating full stroke to the

proper electrical end stops. Minor adjustments

may be necessary.

10. Perform the appropriate input calibration procedure

for the signal being used:

Voltage on page 9

Current on page 9

Slidewire on page 10

EDA-8102 Product/Technical Bulletin 9

Input Voltage

This procedure is performed after changing direction of

rotation or to change from the factory set 1 to 9 VDC

control input signal to another VDC input range.

Note: This procedure does not change the electrical

end of stroke limits.

1. Verify that power is turned off.

Common 0 to 15 VDC

24 VAC

+15 +1

AUXIN

TB1 TB2

COM

Figure 21: Voltage Mode Connection

2. Verify jumper W2 is set to the

position as shown

in Figure 21.

R35 R39

Figure 22: R35 and R39 Locations

3. Turn only the potentiometers identified in

Figure 22 to the following positions:

R35 fully counterclockwise

R39 fully clockwise

4. Verify that controller wiring is complete and apply

24 VAC to terminals AC and COM (TB1).

5. Apply the minimum (direct acting) or maximum

(reverse acting) input control voltage to the

actuator to terminals IN and COM (TB1). The

actuator will rotate fully counterclockwise and stop

when it reaches the electrical end stop.

6. Turn R39 counterclockwise until the actuator starts

to rotate clockwise.

7. After the actuator stops moving, turn R39

clockwise in very small increments until the

actuator returns to the counterclockwise electrical

end stop.

8. Apply the maximum (direct acting) or minimum

(reverse acting) input control voltage to the

actuator to terminals IN and COM (TB1). The

actuator will rotate fully clockwise and stop when it

reaches the electrical end stop.

Note: There should be at least 2.5 VDC difference

between the minimum and maximum input

signals.

9. Turn R35 clockwise until the actuator starts to

rotate counterclockwise.

10. After the actuator stops moving, turn R35

counterclockwise in very small increments until the

actuator returns to the electrical end stop.

11. Verify that the actuator is working properly by

varying the input voltage throughout the entire

range and allowing the actuator to complete at

least one cycle. Minor adjustments of R35 and

R39 may be necessary.

12. Install the plastic cover and procedure is

completed.

Current Mode

This procedure is performed only if the desired action

is to change the control input signal to a 0 to 20 mA

current input signal.

Note: This procedure does not change the electrical

end of stroke limits.

1. Verify that power is turned off.

Common 0 to 20 mA

24 VAC

AC COM IN +15 +1 AUXIN

TB1

TB2

(+)

(-)

Figure 23: Current Input Connection

2. Move jumper W1 to the

position as shown in

Figure 23.

10 EDA-8102 Product/Technical Bulletin

3. Turn only the potentiometers identified in

Figure 22 to the following positions:

R35 fully counterclockwise

R39 fully clockwise

4. Verify that wiring is complete and apply 24 VAC to

terminals AC (TB1) and COM (TB1).

5. Apply the minimum (direct acting) or maximum

(reverse acting) input current to the actuator to

terminals AUXIN (TB2) and COM (TB1). The

actuator will rotate fully counterclockwise and stop

when it reaches the electrical end stop.

6. Turn R39 counterclockwise until the actuator starts

to rotate clockwise.

7. After the actuator stops moving, turn R39

clockwise in very small increments until the

actuator reaches the electrical end stop.

8. Apply the maximum (direct acting) or minimum

(reverse acting) input current to the actuator to

terminals AUXIN (TB2) and COM (TB1). The

actuator will rotate fully clockwise and stop when it

reaches the electrical end stop.

9. Turn R35 clockwise until the actuator starts to

rotate counterclockwise.

10. After the actuator stops moving, turn R35

counterclockwise in very small increments until the

actuator reaches the electrical end stop.

11. Verify that the actuator is working properly by

varying the input current throughout the entire

range and allowing the actuator to complete at

least one cycle. Minor adjustments of R35 and

R39 may be necessary.

12. Install the plastic cover and procedure is

completed.

Slidewire

This procedure is performed only if the desired action

is to change the control input signal to a slidewire

control input signal.

Note: Slidewire input should not be used in high

noise environments or with long cable lengths.

Note: This procedure does not change the electrical

end of stroke limits.

1. Verify that power is turned off.

Common

24 VAC

COM IN

+15

AUXIN

TB1

TB2

Figure 24: Slidewire Connection

2. Verify jumper W1 is set to the

position as shown

in Figure 24.

3. Turn only the potentiometers identified in

Figure 22 to the following positions:

R35 fully counterclockwise

R39 fully clockwise

4. Verify that wiring is complete and apply 24 VAC to

terminals AC and COM (TB1).

5. Apply the minimum (direct acting) or maximum

(reverse acting) input resistance to the actuator.

The actuator will rotate fully counterclockwise and

stop when it reaches the electrical end stop.

6. Turn R39 counterclockwise until the actuator starts

to rotate clockwise.

7. After the actuator stops moving, turn R39

clockwise in very small increments until the

actuator returns to the electrical end stop.

8. Apply the maximum (direct acting) or minimum

(reverse acting) input resistance to the actuator.

The actuator will rotate fully clockwise and stop

when it reaches the electrical end stop.

9. Turn R35 clockwise until the actuator starts to

rotate counterclockwise.

10. After the actuator stops moving, turn R35

counterclockwise in very small increments until the

actuator returns to the electrical end stop.

11. Verify that the actuator is working properly by

varying the input resistance throughout the entire

range and allowing the actuator to complete at

least one cycle. Minor adjustments to R35 and

R39 may be necessary.

12. Install the plastic cover and procedure is

completed.

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