590-1557-501A/SL-23294_REV0_3-17
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LIEBERT® PST4™ 350 – 500 VA
Quick Installation Guide
Before installing, operating, or
maintaining your Liebert PST4 UPS
Please review these important safety
instructions. For detailed operating,
maintenance, and troubleshooting
information, refer to the User Manual
included on CD with the UPS.
CAUTION: Connect the UPS only
to a properly grounded/earthed outlet
that is protected by an appropriate
branch circuit protector (circuit breaker
or fuse) that meets national and/or local
electrical codes.
The Liebert PST4 should be located
near the wall outlet. Do not use
extension cords between the wall
outlet and the UPS. The UPS is
designed for small oice and home
use only. It is not recommended to be
used with life-support equipment or
applications.
WARNING: Risk of Electric Shock.
Observe all cautions and warnings in
this manual. Failure to do so may result
in serious injury or death. Refer all UPS
and battery service to properly trained
and qualied service personnel. Do
not attempt to service this product
yourself beyond the battery replace-
ment procedures. 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. Never work alone.
In case of re, use a dry chemical re
extinguisher to put out the re. Using
a uid re extinguisher may cause
electric shock. In the event of an
emergency, press and hold the ON/OFF
button for at least one (1) second to
turn o the UPS then unplug the UPS
from the wall outlet.
NOTICE: This equipment has been
tested and found to comply with
the limits for a Class B computing
device in accordance with the
specications in Subpart J of Part
15 of FCC Rules and also meets the
Class B limits for radio noise emissions
from digital apparatus set out in the
Radio Interference of the Canadian
Department of Communications.
These limits are designed to provide
reasonable protection against such
interference in a residential installation.
This equipment generates and uses
radio frequency and if not installed
and used properly, that is, in strict
accordance with the manufacturer’s
instructions, this equipment may cause
interference to radio and television
reception. If this equipment does cause
interference to radio or television
reception, which can be determined by
turning the equipment o and on, the
user is encouraged to try to correct
the interference by one or more of the
following measures:
• Re-orient the receiving antenna.
• Relocate the computer with respect
to the receiver.
• Move the computer away from the
receiver.
• Shielded communication-interface
cables must be used with this
product.
WARNING: Changes or modica-
tions to this unit not expressly ap-
proved by the party responsible for
compliance could void the user’s
authority to operate the equipment.
The Liebert PST4 is shipped with the
following items:
• CD with MultiLink® Shutdown
Software and User manual
(electronic version)
• USB cable; one 2 m (6-1/2 ft.) long
• Wall-mount template and screws
• Quick Installation Guide with
warnings safety instructions
and WEEE recycling sheet
(ISO 14001 compliance)
INSTALLATION
Install the Liebert PST4 in a
temperature-controlled environment
that is free of corrosive and conductive
contaminants. Avoid locations near
heat or water sources and exposed to
direct sunlight. For proper ventilation,
leave approximately 2 to 4 inches
clearance on all sides of the UPS.
• The UPS unit ships with the internal
battery connected.
• The UPS may be mounted to a wall
using the mounting slots on the
bottom of the UPS and provided
screws. A template for screw location
is provided and the unit should be
mounted ensuring they are in a wall
stud for a secure installation.
