ETA Systems ETA-S20RT Manuel D’Utilisation

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

Before installing, it is recommended to read the entire manual to ensure proper operation and that all features are being utilized. The  
ETA-S20RT can be placed on a shelf or rack mounted in a standard 19" width rack. When rack mounted, placement within the rack is 
flexible however the ETA-S20RT should be within 6' of a dedicated 20A AC outlet. When rack mounting, use Rack Rail type screws of

10

⁄

32

" x 1". Always make sure the 20A outlet is properly inspected by a certified electrician prior to connecting the ETA-S20RT. Make sure 

to inspect the equipment that will be connected to the ETA-S20RT to ensure it does not exceed 20A total amperage draw. 

Remote Activation Connections Diagram

Remote Activation via Hard Contact Switch

Use External Key or Panel Switch, Hard Contact

To Remote Panel LED, Use the +12 and GND Terminals.  
Note: Use a 2K ohm 

1

⁄

8

W Resistor In Series with +12VDC and LED

Remote Voltage Activation

Apply +5V–24VDC and Connect a Ground to the GND Terminal  
to Activate the Unit.  
Note: It is OK to Have Two Wires In the Same Terminal.

To Remote Panel LED, Use the +12 and GND Terminals.  
Note: Use a 2K ohm 

1

⁄

8

W Resistor In Series with +12VDC and LED