OPTI-UPS 280ES User Manual page 8

4
CAUTION:
THE UPS CONTAINS
HAZARDOUS. ALL REPAIRS SHOULD BE PERFORMED BY QUALIFIED
SERVICE PERSONNEL.
THE UPS HAS ITS OWN INTERNAL ENERGY SOURCE (BATTERY). THE
OUTPUT RECEPTACLES MAY BE LIVE EVEN WHEN THE UPS IS NOT
CONNECTED TO AN AC SUPPLY.
Safe and continuous operation of the UPS depends partially on the care taken by users.
Please observe the following precautions.
Do not disassemble the UPS.
Do not attempt to power the UPS from any receptacle except a 2-pole
3-wire grounded receptacle.
Do not place the UPS near water or in environments of excessive humidity.
Do not allow liquid or any foreign objects to get inside the UPS.
Do not block air vents on the side of the UPS.
Do not plug appliances, such as hair dryers, into the UPS receptacles.
Do not place the UPS under direct sunshine or close to heat-emitting sources.
This UPS is intended for installation in a temperature controlled, indoor area free of
conductive contaminants.
A certified detachable power supply cord is to be used with this equipment. For the
280ES, 420ES, 650ES, and 1000ES a type not lighter than SJT 18 AWG should be used.
For the 1400ES, a type not lighter than SJT 16 AWG should be used.
280ES / 420ES / 650ES / 1000ES / 1400ES
!
VOLTAGES WHICH ARE POTENTIALLY