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34 Installation Guide APC BC300 Series 10kW 208/450/480V UPS
990-1378
Initial Start-up and Phase Check
4.0 Initial Start-up and Phase Check
After installing the unit, use this section to perform the initial start-up and the phase check for
the Maintenance Bypass Panel.
4.1 Initial Start-up and Phase Check (Internal Batteries)
This section is applicable for INITIAL STARTUP of an APC Silcon BC Series UPS with APC
Supplied Maintenance Bypass Panel ONLY.
1. Make sure that all AC and DC power is off.
2. Set the UPS bypass switch to “UPS”.
3. Make sure that the main circuit breaker in the load panel is off so that the loads cannot
receive power from the UPS.
4. Open the UPS front door(s).
5. Remove the retaining brackets for the fuse holder containing DC fuses F001, F002, and
F003. See Component Overview illustration in this Installation Guide for location of fuse
holder.
6. At the utility input, switch on the input power to the Maintenance Bypass Panel.
7. At the Maintenance Bypass Panel, set the UPS AC disconnect switch to “ON”. The UPS
display should show “System type xxkVA xxxV”.
8. Within 20 seconds, the display should show **Stand-by** and an audible alarm should
sound.
9. Check the phase rotation at the service panel and the unit. The unit will not start if the
phase rotation is incorrect. The phase rotation must be A, B, C and clockwise.
10. When the audible alarm stops, press the green “ON” button located inside the UPS front
door. The display should show “Normal operation load power xx%”.
11. Open DC fuse holder (F001, F002, F003). For location of DC fuse holder, see Component
Overview illustration.
12. Place the DC fuses in the fuse holder. Make sure that the red tab on the fuse faces the top
of the fuse holder. Make sure that the fuse locking tabs are aligned in the slots on the fuse
holder. See DC Fuses illustration.
13.Press each fuse into place. The fuse will “click” into place when it is locked in correctly.
14. Using an open palm, close the fuse holder.
WARNING
Some units have been programmed at the factory for “autostart”. If programmed for “autostart”,
the unit will turn on when utility (AC line) is applied (after a 60-second delay). For more
information or to change this feature, see the User Guide.
Before continuing, read the warnings on page 2 of this Installation Guide.
CAUTION!
No load should be connected when this procedure is carried out.
NOTICE!
One or more alarms may occur. If the alarm(s) persists for more than 20 seconds, refer to the
“Alarms” section of the User Guide. If the unit activates a “battery monitor alarm”, you should set
the user parameter “battery monitor reset” to “ON”