Stop/Start UPS and Operating the External Service Bypass
The UPS is now isolated. Maintenance/repair, disconnection or removal can now be carried out.
CAUTION!
Recharge batteries out of service every 3 months to prevent damage.
WARNING!
Internal DC capacitor may contain energy even after the UPS has been switched off. Allow for automatic discharge by waiting at least 5 minutes after switching off UPS and battery breakers before working on the UPS.
2.4Start UPS (from complete power down)
2.4.1 UPS start-up
CAUTION!
Make sure all cable connections are in place prior to first
NOTICE!
After first system 
and 
simultaneously on the display – it reads NV (not valid) if incorrectly installed). A battery capacity test is recommended after the electric installation.
NOTICE!
If for any reason the
CAUTION!
Do not close the MCCBs in the Battery Breaker Box unless the display reads: “Insert fuse or close MCCB” – otherwise the UPS may be damaged. If the display reads “DC capacitor charge error”, do not close MCCB.
Call for assistance.
WARNING!
If “Autostart” is active the UPS will start automatically after step 9 (with a
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User Guide APC Silcon | 7 |