Delta Amplon RT Series 5-10kVA User Manual download pdf (Page 20)

Amplon RT Series

Operation Modes

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Online Mode:

During on-line mode, the on-line LED

illuminates (green). The critical load is supplied by

the inverter, which derives its power from the utility AC power, and the UPS charges the bat-

teries as needed and provides power protection to the equipment.

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Standby Mode:

In standby mode, the input power is from the utility AC power and the UPS charges the batter-

ies.

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ECO Mode:

You can manually set the UPS to ECO mode. In ECO mode, when the utility input voltage and

frequency are within the range of rating voltage ±10% and rating frequency ±6%, the load is

supplied by the utility power and the bypass LED

illuminates (yellow); if out of the range,

the load is supplied by the inverter and the on-line LED

illuminates (green).

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Battery Mode:

When the UPS is operating during a power outage, the batteries provide DC power, which

maintains inverter operation to support the critical load. During battery mode, the battery LED

illuminates (green). The status of the battery is as follows.

Battery Capacity Buzzer LCD Display

Full The alarm beeps once every

10 seconds.

(Beep is ON for 0.1 sec +

Beep is OFF for 9.9 sec).

BATTERY CAPACITY

00V/000%

Mid

Low The alarm beeps once every

0.5 second.

(Beep is ON for 0.1 sec. +

Beep is OFF for 0.4 sec).

BATTERY CAPACITY

00V/000%

Under Long Beep SHUT DOWN DUE TO

DEPLETED BATTERY

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Bypass Mode:

During bypass mode, the bypass LED

illuminates (yellow). The critical load is directly

supplied by the utility power and the batteries are charged.

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Converter Mode:

When the UPS is manually set in converter mode, the output frequency can be set as 50Hz

or 60Hz. After the output frequency is set up, the system will automatically disable the bypass

function. Please note that once the inverter shuts down, there is no bypass output. During con-

verter mode, the on-line LED

illuminates (green).

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Delta Amplon RT Series 5-10kVA User Manual Page 20

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