Filter
Top Products
UPS Maintenance
82
Powerware
®
9155 UPS (8–15 kVA) User’s Guide S 164201553 Rev D www.powerware.com
Using the Wall-Mounted Bypass Switch
The wall-mounted bypass switch is rated at 80A/300 Vac and has four
positionsasdescribedinTable15.
NOTE In the UPS or LINE position, AC input power is still connected to
the i nput terminals inside the UPS.
Table 15. Wall-Mounted Bypass Switch Positions
Switch Position Description
UPS Connects the UPS output to the load.
LINE Connects the load directly to AC input power and disconnects UPS output. AC input
power is still connected to the UPS input.
SERVICE Like the LINE position, SERVICE connects the load directly to AC input power and
disconnects UPS output.
However, because SERVICE also disconnects AC input
from the UPS, this is the appropriate position for UPS maintenance or repair.
OFF Disconnects the load from the UPS output power and AC input power, as well as AC
input power to the UPS input.
You must press the red button beside the switch before turning the
Maintenance Bypass switch.
Figure 43. Wall-Mounted Maintenance Bypass Switch