Emerson 650VA, 500VA quick start Replacing The Battery, Troubleshooting, Specifications

REPLACING THE BATTERY

To replace the battery:
1.	Turn off all connected loads, then turn off the UPS (batteries are NOT	Steps 2 and 3
	hot-swappable).
2.	Use a Phillips head screwdriver to remove the two screws from the bottom
	edge of the front panel.	Steps 4 and 5
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.

TROUBLESHOOTING

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

Problem	Possible Causes	Solutions
	The UPS may not be turned on.	• Press the On/Off button to turn on the UPS.
Utility power is normal, but LED 1 is not illuminated.	The power cord may not be connected properly.	• Connect the power cord securely into a wall outlet.
	The upstream input circuit breaker may be tripped.	• Reset the input circuit breaker.
LED 1 flashes (green) every 3 seconds, but there is	Battery voltage may be too low.	• Recharge the UPS for 8 hours.
no output power.
Alarm buzzer beeps continuously although utility	The UPS may be overloaded (check LED 2).	• Disconnect some equipment from the UPS.
power is normal.
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	Utility power may be outside the unit’s operating range.	• If utility power is normal, try reconnecting input
to operate properly.		power and restarting the UPS.

SPECIFICATIONS

Model Number	PSA500MT3-120U		PSA650MT3-120U
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
Agency
Safety	UL 1778, c-UL Listed
Transportation	ISTA Procedure 1A Certification
* Battery run time may vary depending on load

© 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

Technical Support / Service	United States
800-222-5877 (Outside U.S. 614-841-6755)	1050 Dearborn Drive
upstech@emersonnetworkpower.com	P.O. Box 29186
Web site: www.liebert.com	Columbus, OH 43229