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Specifications are subject to change without notice.

Owner’s Manual

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

Telephone: 800.876.3333 • Fax: 800.765.3435

ECS-3

Power Sequencer & Conditioner

6. AC Mains Function Display

7. AC Mains Voltage Display – This 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.

8. Sequence Indicator – There 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”.

9. AC Mains Wiring Polarity Fault Indicator – The 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 – This 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 – Although 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 ECS-3 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 – This 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 ECS-3.

High AC Line Mains – The Abnormal Voltage LED will flash between 128VAC – 132VAC indicating possible damage may occur

to equipment due to high AC Mains voltage. The ECS-3 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 – The Abnormal Voltage LED will flash between 101VAC – 107VAC indicating possible damage may occur

to equipment due to low AC Mains voltage. The ECS-3 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 – If 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 ECS-3 due to high AC

Mains voltage. The ECS-3 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 – If 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 ECS-3 due to

low AC Mains voltage. The ECS-3 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.

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Owner’s Manual 1

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