Alpha Technologies CFR Intelligent Interface Device User Manual

Page 28

3. OPERATION

Battery Parameters

"BATTERY PARAMETERS" provides UPS Battery Voltage, Charger

Current, and Charger Status information. The main menu prompts you to
select any of the options by pressing the > arrow to advance through the
various parameter screens; or < to step back through the screens. Press
ENTER when the correct screen appears.

Voltage

When the UPS is running in "LINE PRESENT" mode, the charger

voltage is displayed (i.e., 27.4 VDC for 24 volt systems; 54.8 VDC for 48 volt
systems). When the UPS is in "LINE FAILURE" mode, the voltage of the
UPS batteries is measured under load (i.e., 23.5 VDC for 24 volt systems;
47.5 VDC for 48 volt systems) .

Charger Current

When the UPS is running in "LINE PRESENT" mode, the charger

current is displayed (i.e., 2.1 Amps).

Charger Status

When the UPS is in "LINE PRESENT" mode, the charger keeps the

batteries charged, indicated by the display "THE BATTERY CHARGER IS
ON". When the UPS is in "LINE FAILURE" mode and running on the
batteries, the charger is OFF, indicated by the display "THE BATTERY
CHARGER IS OFF".

BATTERY PARAMETERS

Voltage

LINE PRESENT

LINE FAILURE

LOW BATTERY

WARNING

SHUTDOWN

SERVICE

Press CLEAR to return to BATTERY PARAMETERS;
Press CLEAR again to return to the OPENING MENU.