Powerware 9170 - Page 79

UPS Startup
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UPS User’s Guide S Rev B www.powerware.com
18. The UPS front panel display automatically turns on whenever
input power is present and at least one power module is
installed. Set u p the initial operating parameters through the
front panel display (see “Initial Startup Parameters” on page 72).
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 Control Mode Preference (menu 4-1) selection to
Auto to return to normal Auto mode operation.
19. If applicable, test proper operation of optional external control
signals and computer communication before connecting the
load. (See “DB-9 Communication Port” on page 90 for details.)
20. If there are receptacles on the UPS rear panel, plug the
equipment to be protected into the UPS output receptacles.
DO NOT p rotect laser printers with the UPS because of the
exceptionally high power r equirements of the heating elements.
21. Turn on the equipment that is connected to the UPS.
22. If there is an external bypass switch, turn it to UPS. Otherwise,
close the load distribution circuit breaker(s).