Three-position control, 24 vac/dc, Service – Dodge ES142 User Manual
Page 14
Dodge Engineering & Controls, Inc.
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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.