ETA Systems ETA-ECS3 Manual - Page 8

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AC Mains Function Display

AC Mains Voltage Display – T his display will illuminate when

the AC Mains power cord is plugged into an AC source.

Note: the display has a 1.5% tolerance. Note: If the voltage

displayed is not between 107 - 128VAC, refer to the

troubleshooting section and item 12 below.

Sequence Indicator – T here are three green LED

active sequence outlet indicators labeled "SEQ 1",

"SEQ 2", and "SEQ 3". Their sequence timing is set

for 3 seconds between Sequence 1-2 & 2-3 while in "On"

mode, and Sequence 3-2 & 2-1 during "Off"

mode. When the LED is illuminated, the corresponding AC

outlet on the rear of the chassis will be active or "Live".

Turned "On", the order the trigger sequence is "SEQ 1, SEQ

2, SEQ 3". Turned "Off", it is "SEQ 3, SEQ 2, SEQ 1".

AC Mains Wiring Polarity Fault Indicator – T he Red LED

will illuminate if the AC Mains Power Cord is plugged into an

AC Mains outlet that is wired incorrectly, such as when the AC Hot and the AC Neutral are wired backwards.

10. AC Mains Breaker Indicator – T his Red LED will illuminate if the maximum unit current draw is exceeded. The breaker rating is

15A, but will handle higher peaks for a short period of time. The LED will illuminate until the AC Mains Breaker is reset.

11. AC Fault Indicator – A lthough the Dual Clamping Suppression (DCS) circuit virtually assures protection from most transient

voltage spikes and surges nature has a way of occasionally creating electrical forces that are beyond the capabilities of any device

to absorb without some degree of damage. In the rare instance that this occurs and the DCS circuit has been damaged, the Red

"AC Fault" LED indicator will illuminate and an internal buzzer will sound. The ETA-ECS3 will also shut off permanently until the

unit is repaired. Note: If the AC Fault LED is illuminating it is important to have all equipment that was connected to that AC

Mains Line inspected for proper operation.

12. AC Mains Abnormal Voltage Indicator – T his LED flashes under several AC Mains fault situations that are listed below. Normal

operating voltages for AC Mains voltage is considered to be between 108VAC and 125VAC. Any voltages exceeding those

parameters are considered a risk to damage equipment plugged into the ETA-ECS3.

High AC Line Mains – T he Abnormal Voltage LED will flash between 128VAC – 1 32VAC indicating possible damage may occur

to equipment due to high AC Mains voltage. The ETA-ECS3 outlets will remain active but the LED will stay flashing even if the

voltage returns to a normal operating range. To stop the LED from flashing the system activation switch must be cycled "Off".

Note: It is recommended prior to proceeding to have the AC Mains inspected by an electrician.

Low AC Line Mains – T he Abnormal Voltage LED will flash between 101VAC – 1 07VAC indicating possible damage may occur

to equipment due to low AC Mains voltage. The ETA-ECS3 outlets will remain active but the LED will stay flashing even if the

voltage returns to a normal operating range. To stop the LED from flashing the System Activation Switch must be cycled "Off".

Note: It is recommended prior to proceeding to have the AC Mains inspected by an electrician.

Extreme High AC Line Mains – I f the AC Mains reach 132VAC, the EVS (Extreme Voltage Shutdown) circuit will be triggered to

shut off the AC outlets while activating the Abnormal Voltage LED. The Red LED will illuminate steady and the AC Mains Voltage

Meter will flash OL (Overload), indicating possible damage may occur to the equipment plugged into the ETA-ECS3 due to high

AC Mains voltage. The ETA-ECS3 outlets will remain off until the System Activation Switch is cycled "Off".

Note: It is recommended prior to proceeding to have the AC Mains inspected by an electrician.

Extreme Low AC Line Mains – I f the AC Mains lowers to 100VAC, the EVS (Extreme Voltage Shutdown) circuit will be triggered

to shut off the AC outlets while activating the Abnormal Voltage LED. The Red LED will illuminate steady and the AC Mains

Voltage Meter will flash OL (Overload), indicating possible damage may occur to the equipment plugged into the

ETA-ECS3 due to low AC Mains voltage. The ETA-ECS3 outlets will remain off until the System Activation Switch is cycled "Off".

Note: It is recommended prior to proceeding to have the AC Mains inspected by an electrician.

ETA-ECS3

Power Sequencer & Conditioner

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

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

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Specifications are subject to change without notice.

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