UPS Startup
15.Reinstall all UPS cover panels.
16.If the UPS will not be operated immediately, switch the bypass switch to SERVICE and push the DC disconnect switch on the back panel of the external battery cabinet closest to the UPS.
When starting the UPS, apply input power to the UPS by closing the service circuit breaker or turning the bypass switch to the LINE position. If an external battery cabinet is connected, unlock and pull out the DC disconnect switch on its back panel.
17.The UPS front panel display automatically turns on whenever input power is present and at least one power module is installed. Set up the initial operating parameters through the front panel display (see •Initial Startup Parameters" on page 56).
NOTE The unit has no physical On/Off switch. The UPS On/Off function must be accessed through the front panel display.
NOTE If the UPS has been manually set to operate in Bypass or Battery mode, change the System mode menu selection (menu 2) to Auto to return to normal Auto mode operation.
18.Test proper operation of optional external control signals and computer communication before connecting the load. (See
19.If there are receptacles on the UPS rear panel, plug the equipment to be protected into the UPS output receptacles.
DO NOT protect laser printers with the UPS because of the exceptionally high power requirements of the heating elements.
20.Turn on the equipment that is connected to the UPS.
21.If there is an external bypass switch, turn it to UPS. Otherwise, close the load distribution circuit breaker(s).
NOTE The total
Powerware® 9170 User's Guide | 55 |