Delta Electronics N Series User Manual

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9 BATTERY REPLACE: This LED function is to alert user that the
batteries should be replaced. When the microprocessor in the UPS
detects a battery fault, the UPS alarm will give out three beeps.
Each beep lasts for 0.5 seconds and interrupted by an interval of
0.5 seconds. After the initial 3 beeps, the alarm will continue to
sound every one hour. Shown as fig 4-6.
Fig 4-6 Battery Replace
9 BATTERY LOW: This function is to inform user the remaining
power capacity of the batteries. When batteries reach a low level
condition, the UPS alarm will beep half second every 1.5 seconds
until running out of battery capacity. Shown as fig 4-7.
Fig 4-7 Battery Low
9 SHORT CIRCUIT: When the output of the UPS shorts inǏON-LINE
modeǐor ǏON-BATTERY modeǐ, the UPS will shut down (without
output voltage). As soon as the short circuit is happened, the fault
LED will light on and the UPS alarm will sound continuously. When
remove short circuit, the UPS output will recover. If short circuit is
happened in “BYPASS mode”, the UPS will protect itself by tripping
the input breaker and shut down. Shown as fig 4-8.
Fig 4-8 Short Circuit

Delta Electronics N Series Specifications

General

Brand	Delta Electronics
Model	N Series
Category	UPS
Language	English