Satel APS-30 S, Manual, Page: 2 / 8

2 APS-30 S SATEL
2. Description of the power supply
wires connecting the electronics board and the LED board.
LED board.
red LED to indicate the AC mains power supply status:
ON
– AC power OK,
flashing
– no AC power.
green LED to indicate the battery status:
ON
– battery OK (or the battery status control disabled),
flashing
– low battery (battery voltage below 11 V).
yellow LED to indicate the battery charging process. It is ON when the battery is being
charged (brightness of light depends on current consumption). When the battery status
control is enabled, the LED goes ON for a few seconds every 4 minutes to indicate that
the battery is tested.
sounder to indicate trouble.
3.15 A slow-blow fuse
– battery charging circuit protection.
cables to connect the battery (red +; black -).
pins for configuring the power supply operating parameters. For how to configure the
power supply, refer to figures 2-5 (see:
“Configuring the power supply”).