Replacing the Battery, Troubleshooting

REPLACING THE BATTERY

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 top cover screws from	Steps 2 and 3
	the back of the UPS.
3.	Slide the top panel backward 1/2" (13mm). Slide the front panel upward,
	then pull outward to remove it.
4.	Gently pull the batteries 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	Steps 4 and 5
	type in the Specifications section below.	Steps 4 and 5
	type in the Specifications section below.

7.Connect the battery leads to the new batteries. 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 batteries into the UPS.

9.Reposition the front panel and slide downward until it slides into place. Slide the top panel forward until flush with the front panel. Reinsert the two top cover screws removed in Step 2.

Dispose of the old batteries 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 2 flashes (amber) every 3 seconds, but there is	Battery voltage may be too low.	• Recharge the UPS for 8 hours.
no output power.	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.	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.	Utility power may be outside the unit’s operating range.	power and restarting the UPS.
to operate properly.		power and restarting the UPS.

SPECIFICATIONS

Model Number	PSA1000MT3-120U		PSA1500MT3-120U

Capacity (VA/W)	1000/600		1500/900

Net Weight, lb. (kg)	23.8 (10.8)		27.8 (12.6)

Shipping Weight, lb. (kg)	26.0 (11.8)		30.0 (13.6)

Dimensions - W x D x H, in. (mm)	5.8 x 14.2 x 9.2 (147 x 360 x 234)

On-Line Input Voltage		84-140VAC

On-Line Frequency	50/60Hz ±5Hz

Output Voltage (Mains 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 2		12V x 9Ah x 2

Typical Recharge Time	6-8 hours to 90%

Battery Run Time* - Full Load		6 minutes

Battery Run Time* - Half Load	12-13 minutes

Audible and Visual	Audible alarm / LED

Backup Outlets	NEMA 5-15R (6)

Surge Outlets	NEMA 5-15R (2)

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

® Liebert is a registered trademark of Liebert Corporation.

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

SL-23301_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

1000VA, 1500VA specifications

Emerson 1000VA and 1500VA uninterruptible power supplies (UPS) are high-quality power protection solutions designed to ensure the smooth operation and reliability of critical electronic equipment. These models are particularly favored in industries where downtime can result in significant losses.

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Safety is also a major concern with Emerson UPS systems. They are equipped with features such as overload protection, short-circuit protection, and battery management systems that ensure safe operation and protect against potential hazards. The built-in surge protection safeguards against electrical surges, protecting sensitive electronic equipment from damage.

In summary, the Emerson 1000VA and 1500VA UPS systems offer reliable power protection solutions with a combination of robust performance, advanced technologies, and critical safety features. They are an essential investment for any organization that values uninterrupted power supply and the protection of its electronic assets.