Liebert Power Supply 350VA to 1000VA User Manual

Liebert PowerSure PSA UPS  
GUIDE SPECIFICATIONS  
350VA to 1000VA  
Single - Phase Uninterruptible Power Supply Systems  
1.0  
GENERAL  
1.1  
1.2  
SUMMARY  
This specification defines the electrical and mechanical characteristics and requirements for a continuous-  
duty single-phase, solid-state, uninterruptible power system. The uninterruptible power system, hereafter  
referred to as the UPS, will provide high-quality AC power for sensitive electronic equipment loads.  
STANDARDS  
The UPS is designed in accordance with the applicable sections of the current revision of the following  
documents. Where a conflict arises between these documents and statements made herein, the statements  
in this specification will govern.  
120V Units  
UL 1778, c-UL listed (to CSA 22.2 No. 107.1)  
FCC Part 15, Subpart B, Class B  
ANSI C62.41, Category A, Level 3 (IEEE 587, Category A);  
EN61000-4-5, Level 3, Criteria A  
EN61000-4-2, Level 3, Criteria A  
EN61000-4-3, Level 3, Criteria A  
EN61000-4-4, Level 4, Criteria A  
EN61000-4-6, Level 3, Criteria A  
EN61000-3-2  
EN61000-3-3  
ISTA Procedure 1A  
230V Units  
EN50091-1-1, TUV/GS listed, CE compliance mark  
EN50091-2, Class B  
EN61000-4-2, Level 3, Criteria A  
EN61000-4-3, Level 3, Criteria A  
EN61000-4-6  
EN61000-4-4, Level 4, Criteria A  
EN61000-4-5, Level 3, Criteria A  
EN61000-3-2  
EN61000-3-3  
ISTA Procedure 1 A  
1.3.  
SYSTEM DESCRIPTION  
1.3.1  
Modes of Operation  
The UPS is designed to operate as a line-interactive system in the following modes:  
A. Normal - The critical AC load is continuously supplied with filtered power. The battery  
charger maintains a float-charge on the battery.  
1
PowerSure PSA  
350 – 1000VA  
Guide Specification  
SL-23271 8/03  
 
127 VAC nominal: single phase, 2-wire-plus-ground: 90 150 VAC (±3VAC),  
Buck compensation: 141VAC (±3VAC)  
Boost1 compensation: 113VAC (±3VAC)  
Boost2 compensation: 100VAC (±3VAC)  
220 VAC nominal: single phase, 2-wire-plus-earth: 155 270 VAC (±6VAC)  
Buck compensation: 243 VAC (±6VAC)  
Boost1 compensation: 197 VAC (±6VAC)  
Boost2 compensation: 174 VAC (±6VAC)  
230 VAC nominal: single phase, 2-wire-plus-earth: 163 282 VAC (±6VAC)  
Buck compensation: 254 VAC (±6VAC)  
Boost1 compensation: 207 VAC (±6VAC)  
Boost2 compensation: 183 VAC (±6VAC)  
240 VAC nominal: single phase, 2-wire-plus-earth: 171 291 VAC (±6VAC)  
Buck Compensation: 265 VAC (±6VAC)  
Boost1 compensation: 215 VAC (±6VAC)  
Boost2 compensation: 191 VAC (±6VAC)  
B. Frequency: The UPS automatically senses the input frequency and operates within the  
following frequency specifications without drawing power from the batteries.  
50 Hz Applications: 46.5 53.5 Hz (±0.1 Hz)  
60 Hz Applications: 56.5 63.5 Hz (±0.1 Hz)  
C. Surge Protection: The 120 VAC units can withstand input surges of up to 570J without  
damage per criteria listed in IEEE C62.41, Category A, Level 3. The 230 VAC units can  
withstand input surges of up to 660J without damage per criteria listed in EN61000-4-5,  
Level 3, Criteria A.  
D. Input Connections: The 120 VAC units have an attached input cord 6.0 feet (1.8 meters) in  
length, measured between the inside edges of the connectors. The attached input cord has a  
NEMA 5-15 plug.  
1.3.3.2 AC Output  
A. Voltage Configuration:  
120 VAC units: 110/120/127 VAC, 60/50 Hz, single-phase, 2-wire-plus-ground.  
120VAC ± 8% (Battery mode)  
230 VAC units: 220/230/240 VAC, 50/60 Hz, single phase, 2-wire-plus-earth.  
230 VAC ±8% (Battery mode)  
B. Voltage Regulation: ±10% steady state.  
C. Frequency Regulation: +0.1Hz synchronized to utility / mains.  
+0.5Hz free running or on battery operation.  
D. Load Power Factor Range: 0.6 lagging to 1.0 (unity).  
E. Inverter Overload Capability: Overload Warning (visual and audible alarms) occurs  
between 100%109% of rated capacity, continuous duty. Shutdown occurs at the following  
levels:  
>110 120%; after 120 seconds (Normal mode)  
>120 150%; after 15 seconds (Normal mode)  
>150% - short-circuit; after 5 seconds (Normal mode)  
>110%; after 2 cycles (Battery mode)  
3
PowerSure PSA  
350 – 1000VA  
Guide Specification  
SL-23271 8/03  
 
F. Voltage Transient Response: ±15% in Normal mode for 0-100-0% loading of the UPS  
rating, ±5% in Battery mode for 20-100-20% loading of the UPS rating.  
G. Transient Recovery Time: To within ±8% of nominal voltage in < 2 cycles.  
H. Efficiency: >95% (Normal mode)  
>90% (Buck/Boost mode)  
I. Output Power Cords: The 230 VAC units have two (2) detachable IEC-320-C14 output  
power cords measuring 2m (6.6 ft) in length.  
1.4  
ENVIRONMENTAL CONDITIONS  
A. Ambient Temperature  
Operating: 32oF 104oF (0oC 40oC) for altitudes 0 5,000 ft. (0 1500 meters) above sea  
level  
32°F 86°F (0°C 30°C) for altitudes 5000 ft 10,000 ft (1500 3000 meters)  
above sea level.  
77o F (25oC) for optimum battery performance  
Storage: 5°F 104°F (-15°C 40°C) with batteries  
5oF 122oF (-15oC 50oC) without batteries  
68oF (20oC) for optimum battery storage.  
B. Relative Humidity  
0 95% non-condensing.  
C. Altitude:  
3,000 m (10,000 ft. max.), without power derating when operated within the temperature specified  
in section 1.4.A.  
D. Audible Noise  
Noise generated by the UPS during normal operation does not exceed 40dB when measured at 1  
meter from the surface of the UPS, “A” weighted.  
E. Electrostatic Discharge  
The 120 VAC units are able to withstand an electrostatic discharge compliant to EN61000-4-2,  
level 3, Criteria A without damage and without affecting the connected load. The 230 VAC units  
are able to withstand an electrostatic discharge compliant to EN61000-4-2, level 3, Criteria A  
without damage and without affecting the connected load.  
1.5  
USER ACCESSORIES AND PACKAGING  
The specified UPS system is supplied with one (1) user's manual. The manual includes installation  
drawings and instructions, a functional description of the equipment, safety precautions, illustrations,  
operating procedures, and general maintenance guidelines. The UPS is also supplied with one (1)  
Multilinksoftware CD, one (1) Multilink serial cable (10-ft; 3m), one (1) USB cable (6-ft; 1.8m), one (1)  
RJ-11 cord (7-ft; 2.1m) and one (1) warranty card (120V models only). The package of the 230 VAC units  
also includes two (2) output power cords (2m; 6.6 ft). The package meets the requirements of ISTA  
Procedure 1A.  
1.6  
WARRANTY  
The manufacturer warrants the UPS against defects in materials and workmanship for two (2) years. The  
warranty covers all parts. An optional one (1) or three (3) year extended warranty is available from the  
manufacturer.  
4
PowerSure PSA  
350 – 1000VA  
Guide Specification  
SL-23271 8/03  
 
1.7  
QUALITY ASSURANCE  
1.7.1  
Manufacturer Qualifications  
Liebert Corporation provides more than twenty years experience in the design, manufacture, and  
testing of solid-state UPS systems and the company is certified to ISO 9001.  
1.7.2  
Factory Testing  
Before shipment, the product is tested to assure compliance with the specification.  
2.0  
PRODUCT  
2.1  
FABRICATION  
All materials and components making up the UPS are new, of current manufacture, and have not been in  
prior service except as required during factory testing. All relays are provided with dust covers.  
2.1.2  
Wiring  
Wiring practices, materials, and coding are in accordance with the requirements of the standards  
listed in section 1.2. All wiring is copper.  
2.1.3  
Cabinet  
The UPS unit comprised of: TVSS & EMI/RFI Filters, Bi-Directional Converter, Automatic  
Voltage Regulator and Battery consisting of the appropriate number of sealed battery cells; is  
housed in a mini-tower NEMA type 1 enclosure. The UPS cabinet is injection-molded standard  
color. Dimensions and weights are:  
UNIT  
UNIT DIMENSIONS  
W x D x H in (mm)  
120 VAC UNITS  
WEIGHT  
230 VAC UNITS  
WEIGHT  
lbs (kg)  
16.8 (7.6)  
17.2 (7.8)  
20.7 (9.4)  
29.7 (13.5)  
kg (lbs)  
7 (15.4)  
350VA  
500VA  
650VA  
4.6 x 7.7 x 8.7 (116 x 196 x 222)  
4.6 x 7.7 x 8.7 (116 x 196 x 222)  
4.6 x 14.1 x 8.7 (116 x 358 x 222)  
7.4 (16.3)  
9.1 (20.1)  
13.2 (19.1)  
1000VA 4.6 x 14.1 x 8.7 (116 x 358 x 222)  
2.1.4  
Cooling  
The UPS is convection cooled.  
2.2  
COMPONENTS AND OPERATION  
2.2.1 Input Protection  
The UPS has built-in protection against undervoltage, overcurrent, and overvoltage conditions  
including low-energy lightning surges introduced on the primary input power source. The UPS is  
provided with an input circuit protector. The 120 VAC UPS models withstand input surges  
without damage per criteria listed in IEEE C62.41, Category A, Level 3 and the 230 VAC UPS  
models withstand input surges without damage per criteria listed in EN61000-4-5, Level 3,  
Criteria A. Additionally, the UPS is supplied with one pair of Data Line Protection Connectors  
to provide phone, fax or modem line surge protection via RJ-45 connectors. These Data Line  
Protection Connectors provide transmission for 10/100 Base-T Ethernet connection.  
5
PowerSure PSA  
350 – 1000VA  
Guide Specification  
SL-23271 8/03  
 
2.2.2  
Bi-Directional Converter  
2.2.2.1 General  
The Bi-Directional Converter incorporates solid-state devices and control circuitry to  
convert AC power to regulated DC power for battery charging; and convert DC power  
from the battery to regulated and conditioned stepped-sinewave AC power for supporting  
the critical load. The Bi-Directional Converter is a pulse width modulated (PWM)  
design. The Bi-Directional Converter operates in the following modes:  
1.  
In Normal mode of operation, the Bi-Directional Converter maintains the  
battery system at a float charge.  
2.  
In Battery mode of operation, the Bi-Directional Converter converts DC power  
from the battery to regulated and conditioned stepped-sinewave AC power for  
supporting the critical load.  
3.  
In the recharge mode of operation, the Bi-Directional Converter converts AC  
power to regulated DC power to recharge the battery.  
2.2.2.2 Battery Recharge  
The UPS contains a battery recharge rate designed to prolong battery life. The battery is  
constant voltage charged to recharge and maintain the battery in a fully charged state.  
Recharge time is 6 hours maximum to 90% rated capacity after discharge into full  
resistive load.  
2.2.2.3 Bi-Directional Converter DC Protection  
The following DC shutdown levels protect the UPS:  
DC Overvoltage Shutdown  
DC Undervoltage Shutdown (End of Discharge)  
DC Undervoltage Warning (Low Battery Reserve)  
2.2.2.4 Output Protection  
For output faults including short circuits and overloads, the UPS is protected by the input  
circuit protector during Normal mode and by electronic current limiting during Battery  
mode.  
2.2.2.5 Overload  
The UPS is capable of supplying power for overloads exceeding 100% and up to 110%  
of full load rating, continuously. A visual indicator and audible alarm indicate overload  
operation. For greater current demands, the UPS employs circuit protector and electronic  
current-limiting protection to prevent damage to components. The UPS is self-protecting  
against any magnitude of connected output overload. The UPS control logic senses and  
disconnects the UPS from the critical AC load and clears the protective circuit breaker  
during Normal mode.  
2.2.2.6 Output Frequency  
An oscillator controls the output frequency of the UPS. The oscillator maintains the  
output frequency to + 0.5 Hz of nominal when not synchronized to the utility/mains  
source.  
2.2.2.7 Battery Over-Discharge Protection  
To prevent battery damage due to excessive discharge levels, the UPS control logic  
automatically monitors the battery voltage and load level and switches off the output at  
the predetermined battery shutdown voltage set point.  
6
PowerSure PSA  
350 – 1000VA  
Guide Specification  
SL-23271 8/03  
 
2.2.3  
Display and Controls  
2.2.3.1 General  
The UPS is provided with a microprocessor-based unit status and control display  
designed for convenient and reliable user operation. The status and alarm indicators are  
displayed on a status indicator display.  
2.2.3.2 System Indicators  
There are three (3) status indicators on the front of the UPS (Utility, Battery and Fault)  
and one (1) on the rear (Site Wiring Fault):  
The Utility Indicator illuminates when the UPS is operating and supplying  
power to connected loads: green indicates Normal mode, amber denotes  
Buck/Boost mode.  
The Battery Indicator illuminates to indicate the UPS is operating on battery  
(green) or to signify a battery warning (amber).  
The Fault Indicator illuminates when the UPS detects a problem: red for an  
internal UPS fault, green for overload and over-temperature conditions.  
The Site Wiring Fault Indicator on the rear panel illuminates red when the UPS  
detects a line-neutral reversal or a poor neutral-ground bond.  
2.2.3.3 On/Off Controls  
UPS start-up and shutdown operations are accomplished by the "On/Off/Alarm Silence"  
push button located on the front panel of the UPS. Depressing the button for more than  
0.5 sec will start-up the UPS and to turn the UPS off the button will need to be depressed  
for more than 2 sec  
2.2.3.4 On-Line Battery Test  
The UPS is provided with an automatic biweekly battery test feature. The test ensures  
the capability of the battery to supply power to the inverter while loaded. If the battery  
fails the test, the UPS will display a warning to indicate the batteries need replaced. The  
battery test feature is user accessible via Multilink.  
2.2.4  
2.2.5  
Internal Battery  
Valve regulated, non-spillable, lead-acid cells are used as a stored-energy source for the specified  
UPS system. The battery is housed internal to the UPS cabinet, and sized to support the inverter at  
rated load and power factor, with ambient temperature of 77 F (25 C) for a minimum of 5  
minutes reserve time. The expected life of the battery is 3 - 5 years or 250 complete discharge  
cycles.  
o
o
Output Distribution  
Output distribution is integral to the UPS and is located on the rear of the unit.  
UNIT  
120 VAC UNITS  
230 VAC UNITS  
(4) NEMA 5-15R (orange) Battery  
350VA,500 backup + surge protection;  
(4) IEC-320-C13 (orange) Battery backup  
+ surge protection;  
VA,650VA (2) NEMA 5-15R (black) surge (2) IEC-320-C13 (black) Surge protection  
protection only  
only  
1000VA  
(6) NEMA 5-15R (orange) Battery  
backup + surge protection;  
(2) NEMA 5-15R (black) surge  
protection only  
(6) IEC-320-C13 (orange) Battery backup  
+ surge protection;  
(2) IEC-320-C13 (black) Surge protection  
only  
7
PowerSure PSA  
350 – 1000VA  
Guide Specification  
 
SL-23271 8/03  
2.2.6  
Communications  
The UPS has a DB-9 (9 pin female) connector on the rear to allow UPS status communications  
with a computer system running MultiLink™ software. The DB-9 is capable of supplying serial  
communication, on battery and low battery signals. MultiLink, Liebert’s UPS monitoring and  
shutdown software, is shipped with the UPS, along with a 10-ft. (3m) DB-9 cable required for  
running MultiLink.  
The UPS can signal “on battery” and “low battery” using opto-couplers. When the UPS is  
operating in Battery mode, it can receive a signal from the host computer system that will shut  
down the UPS (after gracefully shutting down the operating system on the host computer system)  
when the remaining battery run time is low. The timing of the signal depends on MultiLink’s  
configuration settings. This shutdown signal (5-12VDC) must have a duration of at least 1.5  
seconds for the UPS to be shut down. The UPS communicates via serial communications using  
Liebert ESP II protocol.  
The PowerSure PSA has a USB interface port for communication that will work with the built-in  
Microsoft Power Manager software on the user’s PC, if the PC is so equipped. It will provide UPS  
status and manages the automatic orderly shutdown of the computer. The UPS (USB)  
communications meets HID standard, version 1.11. All USB models are compatible with  
Microsoft Windows 2000, Windows XP and Mac OS 10.2 or later. All USB models ship with a 6-  
ft. (1.8m) USB cable.  
The pin out configuration of the DB9 connector is:  
Pin  
1
2
3
4
Assignment Description  
Low Battery (open collector)  
UPS TxD (typical RS-232 levels)  
UPS RxD (typical RS-232 levels)  
Battery Mode Shutdown (5-12V)  
Common  
5
6
7
8
Any Mode Shutdown (short to pin 5)  
Low Battery (open emitter)  
AC Fail (open emitter)  
9
AC Fail (open collector)  
Maximum voltage and current on Pins 1, 7, 8, and 9 is 55VDC; 10.0 mA.  
8
PowerSure PSA  
350 – 1000VA  
Guide Specification  
SL-23271 8/03  
 

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