DAIREN SSW 24-4ND Operation Manual - Page 9

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9) Simulation of mains failure

Simulation of mains failure by Switch off input MCB

1、The inverter Red LED

indicator will lights up at

the same time, the mains

Green LED indicator goes

off.

4、When the batteries

discharged to its critical low

voltage level, the Electronic

Low-Voltage .

Cut Off Circuit will activate.

5、Switch on the AC supply

to the UPS to resume its

normal operation.

Revision: 01

Operation Manual of 24V UPS

Date: Dec.5. 2021

2、The DC Ammeter will

reflect the battery output

discharge current.

3、If required to test the

UPS for longer duration,

the AC supply to the UPS is

advisable to be switched

off.

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