Emerson Liebert PSA Line-Interactive UPS 500-1500VA Quick Setup Guide

© 2008 Liebert Corporation

All rights reserved throughout the world. Specifications subject to change without notice.
® Liebert is a registered trademark of Liebert Corporation. 

All names referred to are trademarks or registered trademarks of their respective owners.

SL-23300_REV0_04-08

800-222-5877 (Outside U.S. 614-841-6755)
upstech@emersonnetworkpower.com
Web site: www.liebert.com

1050 Dearborn Drive
P.O. Box 29186
Columbus, OH 43229

To replace the battery:

1.

Turn off all connected loads, then turn off the UPS (batteries are NOT 
hot-swappable).

2.

Use a Phillips head screwdriver to remove the two screws from the bottom 
edge of the front panel.

3.

Slide the panel downward and remove it.

4.

Gently pull the battery out of the UPS.

5.

Remove the black wire from the negative (-) terminal and the red wire from 
the positive (+) terminal.

6.

Verify that the replacement battery matches the dimensions and battery 
type in the Specifications section below.

7.

Connect the battery leads to the new battery. Be sure to reconnect the red 
wire to the positive (+) terminal and the black wire to the negative (-) 
terminal.
Note: Small sparks may occur at the battery connectors during 
reconnection.

8.

Slide the battery into the UPS.

9.

Close the front panel and replace the two screws from Step 2.

Dispose of the old battery properly at an appropriate recycling facility.

If the UPS malfunctions during operation, check the following chart for proper adjustment. For further assistance, please contact your local Emerson Network Power representative.

Utility power is normal, but LED 1 is not illuminated.

The UPS may not be turned on.
The power cord may not be connected properly.
The upstream input circuit breaker may be tripped.

• Press the On/Off button to turn on the UPS.
• Connect the power cord securely into a wall outlet.
• Reset the input circuit breaker.

LED 1 flashes (green) every 3 seconds, but there is 
no output power.

Battery voltage may be too low.

• Recharge the UPS for 8 hours.

Alarm buzzer beeps continuously although utility 
power is normal.

The UPS may be overloaded (check LED 2).

• Disconnect some equipment from the UPS.

UPS does not provide expected backup time.

The UPS battery reached end of life.

• Replace the internal battery.

The UPS is on and connected to input power, but fails 
to operate properly.

Utility power may be outside the unit’s operating range.

• If utility power is normal, try reconnecting input 

power and restarting the UPS.

Capacity (VA/W)

500/300

650/390

Net Weight, lb. (kg)

14.1 (6.4)

14.6 (6.6)

Shipping Weight, lb. (kg)

15.9 (7.2)

16.3 (7.4)

Dimensions - W x D x H, in. (mm)

3.7 x 14 x 6.7 (95 x 356 x 171)

On-Line Input Voltage

84-140VAC

On-Line Frequency

50/60Hz ±5Hz

Output Voltage (Utility Power Normal)

Typical 97-129VAC

Output Voltage (Battery Operation)

120VAC ±5%

On-Battery Wave Form

Stepped sinewave

Battery Type - VDC x Ah x Quantity

12V x 7Ah x 1

Typical Recharge Time

6-8 hours to 90%

Battery Run Time* - Full Load

3-5 minutes

Battery Run Time* - Half Load

10 minutes

Audible and Visual

Audible alarm / LED

Backup Outlets

NEMA 5-15R (3)

Surge Outlets

NEMA 5-15R (1)

Operating Temperature, °F (°C)

32 to 104 (0 to 40)

Storage Temperature, °F (°C)

5 to 104 (-15 to 40)

Operating / Storage Relative Humidity

0%-90%, non-condensing

EMI Classification

FCC Part 15 Class B

Safety

UL 1778, c-UL Listed

Transportation

ISTA Procedure 1A Certification

* Battery run time may vary depending on load