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Liebert

®

 PSP

Quick-Start Guide - 500VA/650VA, 230V

I

MPORTANT

 S

AFETY

 I

NSTRUCTIONS

• Do not connect equipment that may overload the UPS or demand half-wave 

rectification, such as a laser printer.

• Connect the UPS only to an earthed / grounded socket that meets electrical safety 

guidelines.

• Locate the UPS near a wall socket. Do not use an extension cord between the UPS and 

the socket.

• Use CE-marked cables only for connections between mains, the UPS and equipment.
• The Liebert PSP has been designed for small office/home office use only; it is NOT 

recommended for use in life-support applications.

• In the event of an emergency, press the On/Off button and disconnect the power cord 

from the AC mains to properly disable the UPS.

• Do not attach power strips or surge suppressors to the UPS.
• Do not attempt to service any parts inside the UPS except when replacing the batteries. 

Failure to adhere to this could cause personal injury or equipment malfunction and void 
the warranty.

• This unit uses components that are dangerous for the environment, such as electronic 

cards and other electronic components. Any component that is removed must be taken 
to specialized collection and disposal centers. If this unit must be dismantled, this must 
be done by specialized personnel who are properly trained and qualified. The unit must 
be taken to a center specialized in collection and disposal of dangerous substances. 

• For technical support:

• Visit 

www.liebert.com

 or 

• Send an e-mail to 

[email protected]

.

S

ETUP

UPS C

ONTROLS

 

AND

 C

ONNECTIONS

Step 1 Inspect the Package

Inspect the package and the UPS upon receipt. 
Notify the carrier and dealer of visible damage.
The package includes:
• Liebert PSP
• USB cable
• Quick-start guide
• 2 IEC output cables
The Liebert MultiLink™ software may be 
downloaded from the Liebert Web site at:

multilink.liebert.com

 

See 

Step 7

 for installation instructions.

Step 2 Decide Where to Place the UPS

The UPS must be placed indoors, protected from water, direct 
sunlight and excessive heat. 
Provide at least 100mm (4") of clearance on all sides of the unit 
for proper ventilation.

Step 3 Charge the UPS Battery Before Use

The UPS battery is not charged before shipping. It MUST be charged before use.
• Use the input power cord from computer equipment as the input power cord of UPS. 

Connect a user-supplied power cord from the UPS to a wall socket and charge for at 
least eight hours. Unit can be charged in the on or off state.

Note:

 If battery is placed in storage, charge the battery every six months if kept at

-15°C to +29°C (5°F to 85°F)—or every three months if kept at 30°C (86°F) or higher.

Step 4 Start the UPS

After the battery is fully charged:
• Turn on the UPS by pressing the On/Off button (see 

Figure 1

 below). 

LED 1 should be illuminated (green), indicating the UPS is operating in Normal Mode.

Step 5 Connect the Loads

The UPS has three battery backup sockets that 
provide power when the UPS operates on bat-
tery. There is also one surge-only socket (see 

Figure 2

 below).

• Plug the loads into the battery backup 

sockets on the rear of the UPS.

Caution:

 Do not connect a laser printer to the 

UPS.

Step 6 Connect the Network Surge Protection

The UPS has two network cable jacks for network lines 
(see 

Figure 2

 below).

• Connect a single-line network cable into the network 

surge protection IN jack on the rear of the UPS.

• Connect a network cable from the OUT jack on the 

rear of the UPS to a port on a PC or network device 
such as a router.

Step 7 Set Up Liebert MultiLink software

To start using the Liebert MultiLink software:

• Install the software. 

See the Liebert MultiLink quick-start guide or user manual 
for installation instructions.

• Connect one end of the USB cable (supplied) to the USB 

port on the rear of the UPS. Connect the other end to a 
USB port on the computer. 
See the Liebert MultiLink user manual for operating instructions.

Note:

 Emerson recommends connecting the USB cable directly to the computer 

WITHOUT using a USB hub.

USB 

cable

Quick-

start

guide

UPS

2 IEC 

output 

cables

!

EMERSON

Network Power

Liebert

®

PSP

AC Power System

UPS Status, Alarm Conditions and Alerts

Condition

LED

Color

Solid/Flashing

Audible Alarm

Normal Mode

LED 1

Green

Solid (steady glow)

(None)

Battery Mode

LED 1

Green

Flashes every 3 seconds

Every 3 seconds

Battery Low

LED 1

Green

Flashes every 1 second till end of discharge (EOD)

Every 1 second

Overload

LED 2

Amber

Solid (steady glow) until load drops or breaker trips

Continuous

Battery Replacement

LED 2

Red

Flashes every 1 second for 5 seconds only

Every 1 second for 5 seconds only

Fault

LED 2

Red

Solid (steady glow) until UPS shuts down after 5 seconds

Continuous until UPS shuts down

Figure 2 - Rear Panel

AC mains

inlet

Figure 1 - Front Panel LEDs

Battery backup 

sockets (3)

IEC 320 C13

RJ-45 jacks (2) 

Network 

protection

USB

interface

Surge socket (1)

IEC 320 C13

Mains 

breaker

LED 2 (red = fault; 

amber = overload)

Fault

symbol

Overload 

symbol

Mains

symbol

On/Off button

LED 1

(green)

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