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Parameter Settings
990-4057
User Guide APC Silcon 240-320kW 400V UPS 21
4.0 Parameter Settings
Below tables show operating parameters programmable from keyboard. Only qualified users
should alter programming parameters. See below examples.
Parameter Settings
* Factory settings in bold
** For systems with active Battery Monitor only
*** Do not leave system running in bypass mode (Static bypass) for extended periods of time, as
batteries are not recharged in bypass mode.
Parameter Setting* Comments
Bypass operation YES, NO YES will switch the system into
bypass mode***
Language GB, D, F, DK, S, SF, NL, PL, CZ,
E, P, SK, H
Languages of text in display
Autostart YES, NO Automatic restart by mains return
(1 min. delay). Ensures quick
battery recharge.
Remote shutdown active YES, NO Shutdown of UPS by remote
signal when in battery operation.
Saves battery energy.
Remote shutdown HIGH, LOW Nature of remote shutdown
signal level
Remote shutdown time 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 min. Time delay on remote shutdown
of UPS
Battery capacity test – Initiates back-up time check.
Time measured from start until it
reaches low DC warning level
(See User Guide, section 6).
Battery monitor test ** – Initiates checks of battery
condition by 25% discharging.
Automatic battery test** OFF, 3,6 months Activates the battery monitor test
in cyclic intervals.
Battery monitor reset** – Press the and key to
reset alarm
(flashing light).
Boost charge YES, NO YES results in boost charge (10
hours)
Autoboost charge YES, NO YES results in boost charge after
battery operation (10 hours).
Enter new date YYMMDD Set to local date
Enter new time HHMMSS Set to local time (24 hour clock)