Specifications

– 7 – ETAsys.com

Specifications are subject to change without notice.

1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.

Telephone: 800-321-6699 • Fax: 800-996-3821

ETA-20SH

AC Power Conditioning & Suppression Module

FRONT PANEL

1.Trigger/StatusPortPinIdentification

All signals are of low voltage and current. DO NOT MISS WIRE or damage may occur.

A. (+) requires a minimum of 5–24V DC to activate the module with 5mA of current. Note: The DCV can be supplied from any

source. The EVS protection requires the ETA-ECS6RM for operation.

 B. G=CircuitGround.MustbeofthesamecircuitastheDCVsource.

 C. V=ACVoltageStatusSignal.ReportstheIncomingACMainsVoltagetotheECMmodulebacktotheETA-ECS6RM.

 D. A=ACCurrentStatusSignal.ReportstheACMainsCurrentDrawtotheECMmodulebacktotheETA-ECS6RM.Note: Not

available with the ETA-ECM20.

 E. D=FaultStatusSignal.ReportsanyfaultconditionsofanECMmoduletotheETA-ECS6RM.

2.ExternalTrigger/ManualOnSwitch

The ETA-20SH has a manual override switch allowing it to be used as a local Conditioner and Spike Suppressor. For remote monitoring

and activation, the switch must be in the “External Trigger” position.

3.ActiveLED

This LED will illuminate Green when the ECM module has sensed the proper DCV to activate the unit. Note: If connected to the

ETA-ECS6RM and the EVS circuit has been activated, this LED will not be lit. The Channel Status LED on the ETA-ECS6RM will flash

indicating a problem and the ECM module will not turn On until the AC Mains voltage is stable.

4.ACFaultLED

If damage to the Spike Suppression circuit occurs, this LED will illuminate Red. This LED will not turn Off until repaired.

5.IncomingACLED

This LED will illuminate Red when the ECM has incoming AC power present at the module. This LED must be On to operate.

Note:IfthisLEDisnotilluminatingcheckthefollowing:1)theunitispluggedin,2)theACMainsBreakerfeedingtheAClegtothe

ECM module is Off, 3) the internal fuse has been damaged. This should only be inspected by an authorized technician.

6.ACMainsOutlet

Two 120V AC 20A outlets.

7.ACMainsPowerCord

9'(3m),12-gauge.

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