American Power Conversion 10-40kW 208/480V , 3.3 Using the Remote Display, 3.4 Economy Mode,

Operation
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User Guide APC Silcon 10-40kW 208V/480V UPS 19
3.3 Using the Remote Display
The remote display is an inactive unit that is unable to influence the operation of the APC
Silcon UPS. It is impossible to adjust or otherwise influence the function of the UPS. The
alarms available on the remote display are at subset of the alarms, which can be read on the
internal display.
• Operation of Remote Display is described in section 3.0 above.
• Alarms available are described in section 5.0 Alarms.
• Readout of measurements as described in section 3.2 above.
3.4 Economy Mode
When the UPS is running in Economy Mode, the load will be supplied directly from utility and
output voltages are UPS monitored. In the event of a utility disruption, the UPS will switch to
battery mode without affecting the load.
Prior to switching to bypass mode, leave the system running in normal mode for 8-10 hours to
charge batteries to full capacity.
To keep batteries fully charged, UPS is pre-programmed to switch back to normal operation
whenever necessary.
Economy Mode not available for parallel configurations.
At start-up, the system will at first go into normal operation to ensure a fully charged battery,
and it will then switch into bypass after the programmed time (8-10 hours).
NOTICE!
Time cannot be displayed from the Remote Display.
NOTICE!
Check cable dimensions as input power factor is not corrected with UPS running in Economy
Mode.