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Three-position control, 24 vac/dc, Service – Dodge ES142 User Manual

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Dodge Engineering & Controls, Inc.

Toll Free (877) 334-2875 Fax: (978) 244-1422

Installation

ES142 Spring Return Electronic Actuators

129-270 EAI/ES-14 DEI,

Inc.

Three-Position Control, 24 VAC/DC

1. Check that the wires are connected correctly.

2. Connect wires 1 (red) and 2 (black) to a Digital Multimeter (DMM) with the dial set at VAC to verify that the

operating voltage is within range.

3. Check

operation:

a.

Connect wires 1 (red) and 2 (black) to the actuator.

b.

Apply a control signal (24 VAC/DC) to wire 6 (violet).

c.

Allow the actuator shaft coupling to rotate from 0 to 90°.

d.

Stop applying a control signal to wire 6 (violet).

e.

Apply a control signal (24 VAC/DC) to wire 7 (orange).

f.

Allow the actuator shaft coupling to rotate from 90 to 0°.

4. Check

spring

return:

a.

Apply a control signal (24 VAC/DC) to wire 6 (violet).

b.

Allow the actuator shaft coupling to rotate half-way.

c.

Disconnect wire 1 (red).

d.

The spring returns the actuator shaft coupling to the fail 0 position.

Service

WARNING:
Do not open the actuator. If the actuator is inoperative, replace the unit.