Liebert 500-650 VA - Manual (Page 5)

1
I
MPORTANT
S
AFETY
I
NSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important safety instructions that should be fol-
lowed during the installation and maintenance of the Uninterruptible
Power System (UPS) and its batteries. Please read this manual thor-
oughly before attempting to install or operate this UPS.
Read all safety, installation, and operating instructions before operat-
ing the UPS. Adhere to all warnings on the unit and in this manual.
Follow all operating and user instructions.
This equipment is designed for Commercial, Industrial or Home use.
Liebert Corporation neither recommends nor knowingly sells this
product for use in life support applications or with other designated
critical devices.
This equipment can be installed and operated by individuals without
previous training.
!
WARNING
SAFETY PRECAUTIONS
• There are no user-serviceable parts inside this UPS. Refer
all UPS and battery service to qualified service personnel.
Do not attempt to service this product yourself.
• Output receptacles on the UPS are electrically live if the
UPS is switched on, even if the UPS is not plugged into a
Mains supply. The ON/OFF button on the UPS does not elec-
trically isolate the internal parts. Some components are live
even when Mains power is disconnected. To isolate the UPS,
switch off the UPS first, then unplug it from the Mains.
• Opening or removing the cover may expose you to lethal
voltages within this unit even when it is apparently not
operating and the input wiring is disconnected from the
electrical source.
• Observe all CAUTION and WARNING statements in this
manual and on the unit. Failure to do so may result in
serious injury or death.
• Never work alone.
• This UPS should not be supplied from electrical power sys-
tems of the “IT” (Impedance á Terre) type (IEC 364 - Elec-
trical Installation of Buildings).
• The UPS must be earthed/grounded at all times during
operation. Connect only to a mains supply socket outlet
with an earth/ground connection.