APC 990-4053 Power Supply User Manual


 
42 Installation Guide APC Silcon 480kW 400V UPS
990-4053
Programming Parameters
5.3.2 Programming example
Example with four systems in parallel with separate batteries.
Programme the station addresses 1-4: 1 for UPS 1, 2 for UPS 2, 3 for UPS 3, and 4 for
UPS 4.
All UPS systems have to be programmed to “Highest station address”:4.
If APM is not to be tested, “APM test mode active” must be “NO”.
If a system is isolated due to service, the station numbers must be reprogrammed for the
remaining active systems starting with number 1 and ending with maximum. number
of active systems. No number must be left in this sequence. Furthermore, “Highest
station address” must be changed to number of active UPSs in parallel.
5.4 Battery Monitor
5.4.1 Installation of new batteries
To avoid false alarms, the above procedure MUST be followed.
NOTICE!
Contact your local dealer if you have any questions regarding changing parameters.