Test The Ups Function - Busch-Jaeger Busch-easycare 1518/99 USV Technical Manual

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Busch-easycare
9. Replace the left housing cover and screw in the four fastening screws tightly.
10. Switch on the mains voltage.
- A voltage of 24 V DC is at the connections. The green "Output +24V DC"
LED lights up when there is voltage at the output.
- The uninterruptible power supply is in operation.
11. It is then necessary to perform a functional test of the uninterruptible power
supply.
4.2

Test the UPS function

The UPS function is ready when the mains voltage has been activated at least
once. Perform a functional test:
» Disconnect the mains power supply.
- The connected call system is supplied by the batteries until the mains volta-
ge is activated or until the total discharge protection disconnection function is
activated.
- The green "Output +24V DC" LED lights up.
» Switch on the mains voltage.
Technical manual 0073-1-8770
Replacing batteries
23