Liebert PowerSure PS250-50S, PS400-50S User manual

PowerSure™
POWER PROTECTION
Uninterruptible
Power System
250 VA –600 VA
230 VAC
USER’S MANUAL
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PS250-50S
250 VA
PS400-50S
400 VA
PS600-50S
600 VA

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IMPORTANT SAFETY INSTRUCTIONS
WARNING: Do not attempt to service this product yourself except to
replace the battery. Opening or removing the cover may expose you
to dangerous voltages, even when the AC cord is disconnected from
the electrical outlet. Refer all servicing to qualified service personnel.
1. SAVE THESE INSTRUCTIONS. ADHERE TO ALL OPERATING
INSTRUCTIONS AND WARNINGS ON THE UNIT AND IN THIS MANUAL.
2. This equipment is designed for Commercial/Industrial use only. Liebert
Corporation neither recommends nor knowingly sells this product for
use in critical life support applications.
3. Read all safety and operating instructions before operating UPS. Operate
the UPS indoors only. Protect it from moisture and install it in a clean
environment, free from flammable liquids, gases, or corrosive substances.
4. WARNING: Operate the UPS only from an earthed outlet (2-wire plus earth),
230 VAC, 50 Hz supply. UPS must be earthed at all times while in use. Turn
UPS OFF before unplugging it, or the safety earth to the equipment will be
removed.
5. CAUTION: Output receptacles on the UPS are electrically live if the UPS is
ON, even if the UPS is not plugged in. The on/off button on the UPS does
not electrically isolate the internal parts. To isolate the UPS, switch OFF the
UPS first, then unplug it.
6. CAUTION: Earth leakage current must not exceed 2.75 milli-amperes. Most
data processing equipment meets this requirement if you use no more than
4 pieces of equipment. Note: These instructions may be modified by local
wiring regulations.
7. Unplug the UPS and turn it OFF before cleaning. Use only water dampened
cloth, never liquid or aerosol cleaners.
8. Operate the UPS only from an earthed outlet (2 wire plus earth) 230 VAC,
50 Hz. Use an H05V power supply cord with 2-pin plus earth plug for UPS
AC input. If unable to fully insert plug into outlet, contact an electrician for
replacement.
9. Route power supply cords so they are not walked on or pinched.
10. Never block or insert any object into ventilation holes or other openings.
Maintain a minimum clearance of 100 mm all around the UPS for proper air
flow and cooling.

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1. ON/OFF Button
2. Battery Light (400/600 Only)
3. Check Light (400/600 Only)
4. AC Light
5. Battery Test Button (400/600 Only)
6. Option Switches
7. Output Receptacles
8. Power Cord Input
9. Circuit Breaker
10. Communications Port
ATTENTION: Please refer to these drawings when reading this manual. This
manual references the various parts of your UPS by number.
INSTALLATION INSTRUCTIONS
1. Unpack unit and check contents. There should be one UPS, two CEE-22
output cables, and one User's Manual. Check items for damage. If any
appear faulty or damaged, contact your dealer immediately. Store packaging
in a safe place for possible future shipment of UPS.
2. Place UPS on a sturdy, dry surface in a well-ventilated area away from direct
heat sources. Leave at least 100 mm clearance all around UPS for adequate
ventilation.
3. Shut down load equipment, turn OFF
mains supply, and unplug load
equipment's power input cable (A)
from AC supply socket.
4. Unplug power input cable (A) from
load equipment input socket (D) and
plug it into UPS input socket (C). Re-
plug the power input cable (A) into AC
supply socket. Turn ON both the
mains supply and the UPS. Turning
ON the UPS charges the batteries.
Charge batteries for at least 8 hours
before connecting load equipment.

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5. After charging, shutdown both the UPS and load equipment and unplug
them from the AC supply socket. Connect the supplied CEE-22 output cable
(B) between the load equipment input socket (D) and one of the UPS AC
output sockets (E). Connect all load equipment to UPS in this way.
6. When all equipment is plugged in, plug UPS into the AC supply socket and
turn it ON. The UPS is ready for normal operation.
OPERATING INSTRUCTIONS
1. Check that all power connections to and from the unit are secure and fitted
with
the correct cables and switch the AC input supply ON.
2. Press the ON/OFF Button (1) to ON.
3. Switch your equipment ON at their respective power switch(es).
4. Check the condition of the UPS front panel LED's. The 250 VA AC LED (4)
should be lit. For the 400/600 VA models, the AC LED (4) should be lit, and
the Check and Battery LED's (3 & 2) should be unlit.
5. Check the operation of your equipment. It should display normal operational
conditions.
6. If any function provides an abnormal condition, refer to the troubleshooting
guide later in this manual. If a problem persists, consult your dealer or call
Tech Support at the number listed at the end of this manual.
STARTING FROM BATTERY (400/600 VA only): Turn OFF UPS. Press and
hold BATTERY TEST button (5) for 4 seconds. Switch ON UPS and release
BATTERY TEST button (5). UPS will run in backup mode with the Battery LED
(2) lit. To stop, switch OFF at front panel.
Battery Back-up Time
250 VA Models
400 VA Models
600 VA Models
Back-up Time (minutes)

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COMPUTER/LAN INTERFACE (400/600 VA ONLY)
Optional SiteNet 1 kits provide connection to a wide range of popular computer
operating systems; such as Novell, UNIX, UNISYS, SUN, WINDOWS and many
others. SiteNet 1 software automatically performs an orderly shutdown of
computer operating systems, in the event of a power outage and/or low battery
conditions.
The SiteNet 1 kit supplies a cable to connect supported computer systems to the
UPS communications port (10). The table below shows connector details.
Note: Your dealer supplies
computer communications kits
separately, if you wish. They come
with installation instructions, cable
connections, and appropriate
computer software.
OPTION SWITCH SETTINGS
On the back of your UPS is a bank of option switches (6) with a removable
plastic cover. These switches determine transfer levels and operating frequency.
Slide the switches to the left to turn them OFF, to the right to turn ON. Turn OFF
equipment and UPS and unplug the UPS prior to changing switch settings, or the
UPS will ignore the new settings. Replace the plastic option switch cover.
Option Switch 1: 50/60 Hz Select –When OFF, this switch sets UPS for 60 Hz
mains. Output in backup mode will be 60 Hz. When ON, the switch sets UPS for
50 Hz mains and output in backup mode is 50 Hz. The switch must match the
mains frequency or the UPS will not start. The factory setting is 50 Hz.
Option Switch 2: High Line Transfer –
250VA model: When ON, this switch transfers the UPS to battery operation
when the mains voltage reaches 270 VAC. When OFF, the UPS will not
transfer to battery. Factory setting is ON.
400/600VA models: You may select at which voltage the UPS will transfer to
battery operation when it encounters a high mains voltage. The ON position
transfers the UPS to battery operation at 270VAC; the OFF position transfers at
280VAC. Factory setting is 270 VAC.
INTERFACE FUNCTION DB25 ADAPTER
UPS Shutdown/Active High* 19
On Battery/Return 17
On Battery/Normally Open 16
Low Battery/Normally Open 11
Low Battery/Return 9
UPS Shutdown/Return 7
*Remote Shutdown (5-12V DC, 5-10 mA. max.); battery operation
(-)
(+)
330 Ohms
Open Collector
Return
COLLECTOR TO EMITTER
Maximum voltage and current on pins 11 & 16 are +40V DC; 1.0mA
1
1

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Option Switch 3 & 4: Low Voltage Limit Select –Low voltage limit is the
voltage level at which battery operation starts. You may set the low voltage limit
of the UPS to 180V, 190V, or 200V. The factory setting is 190V. This option
reduces excessive battery usage in brownout conditions. Make sure your
computer equipment can operate at 180 VAC before selecting the lowest limit
(most will). Refer to the tables below to change switch settings:
BATTERY TEST BUTTON
The Battery Test Button (5) on the 400 and 600 VA models tests the condition of
the battery. If the charge is sufficient, the UPS lights the Battery Light (2), runs
on battery power for 15 seconds, then returns to mains power. If the battery fails
the test, the Check Light (3) illuminates and the UPS immediately returns to
mains power. The Check Light remains lit while on mains power. A battery in
unacceptable condition requires recharge or replacement of the battery.
Pressing the Battery Test Button (5) also silences alarms.
BATTERY CARE AND USE
STORAGE: If the unit is not in continued use, plug in the UPS every 4 to 6
months for 12 hours to recharge the battery. Warranty is void if the battery
discharges below the minimum battery cutoff point. To prevent such discharge,
DO NOT leave UPS ON for more than two days without plugging it in.
BATTERY LIFE & REPLACEMENT: Excessive battery use, storage at high
ambient temperatures, and lengthy periods in a discharged state greatly reduce
battery life. Your UPS maximizes battery life by limiting the depth of battery
discharge. You may replace the UPS battery yourself, but if you feel unqualified,
refer battery replacement to qualified personnel. Contact your local dealer or call
Liebert for a replacement battery.
WARNING: To replace batteries, turn OFF UPS and unplug it from mains supply.
CAUTION: Observe proper precautions. When replacing batteries, use the same
number and type of batteries. Proper battery disposal required. Refer to local
codes for disposal requirements. Do not open or mutilate battery. Released
electrolyte is harmful to skin and eyes and is toxic.
250 VA MODEL
VOLTAGE SWITCH #3 SWITCH #4
200V OFF N/A
190V ON OFF
180V ON ON
400/600 VA MODELS
VOLTAGE SWITCH #3 SWITCH #4
200V ON N/A
190V OFF OFF
180V OFF ON

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To Replace the Battery:
1. Close active programs and turn off
computers. Turn OFF the UPS and unplug it
from mains supply.
2. Place UPS on its side and remove retaining
screws (A) to battery door (B).
3. Open battery door (B) and remove the battery
(C) by pulling on the battery tab (D).
4. Remove terminal wires (E) from old battery.
Connect terminal wires (E) to new battery (C);
the red connects to the positive terminal, the
black connects to the negative. DO NOT
reverse terminal connections. Slide battery
(C) into unit, and close battery door (B).
Dispose of used battery properly (it contains
lead and acid).
5. Plug in UPS, turn it on, and charge batteries
for 8 to 10 hours.
RESETTING THE CIRCUIT BREAKER
If the UPS is overloaded, the circuit breaker (9) at the lower rear of the UPS
activates to protect the UPS. If the circuit breaker activates, its center bar will
extend. To reset the circuit breaker, simply push the bar back in. If the circuit
breaker activates often, ask your dealer to check the UPS sizing or call Tech
Support at the number listed at the end of this manual.
ALARM CONDITIONS
The 400 VA and 600 VA models sound alarms and flash visual indications at the
front panel LED's (2, 3, 4) whenever they sense a power failure, low battery
voltage (while on battery), an overload, or a mains overvoltage condition. The
250 VA model only sounds an alarm. Sometimes, a fault in your computer
equipment may cause an overload alarm. See following page for alarm
indications.
You may silence the On-Battery alarm on 400 VA and 600 VA models by
pressing the BATTERY TEST button (5), on the rear panel. You must turn off
your computer equipment and then turn off the UPS to silence an alarm on a 250
VA model.
Refer to the first table on the next page for recommended actions when alarms
occur. Check this table first before calling for assistance. It diagnoses and
solves common problems, and helps prevent potential problems.

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PROBLEM CAUSE SOLUTION
UPS will not start Input voltage below
threshold
Overload/Short Circuit
Input frequency mis-
match with option switch
setting
Mains overvoltage
Wait until mains voltage rises to appropriate level.
Check circuit breaker at rear of UPS (9). If it is activated, reset it and restart
the UPS (See "Resetting Circuit Breaker'). If problem persists, disconnect
some of the equipment from UPS -the total wattage or all your equipment
may exceed the capacity of the UPS. If it still will not start, check your
computer equipment for short circuits. For further help, call your dealer.
Check Option Switch #1 on rear of UPS (6). Slide switch to left for OFF, to
right for ON. OFF = 60 Hz, ON = 50 Hz. The UPS frequency must match
the frequency of your input mains supply.
Mains voltage must be less than 270 VAC.
UPS starts on
battery, but will not
switch to mains
power.
(400 & 600 VA
only)
UPS not plugged in
Circuit breaker activated
Power not available at
utility receptacle
Plug in power cord securely.
Reset circuit breaker (see “Resetting Circuit Breaker”) and restart UPS.
Call a qualified electrician.
UPS shuts down. Overload/Short Circuit
Low Battery
Sitenet 1 Shutdown
(400 & 600 VA only)
Check circuit breaker at rear of UPS (9). If it is activated, reset it and restart
the UPS (See "Resetting Circuit Breaker"). If problem persists, disconnect
some of the equipment from UPS -the total wattage of all your equipment
may exceed the capacity of the UPS. If it still will not start, check your
computer equipment for short circuits. For further help, call your dealer.
Turn OFF equipment and recharge UPS battery for at least 8 hours. If
problem persists, replace battery.
Consult the SiteNet 1 User Manual or contact your LAN administrator.

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250 VA LED & ALARM INDICATIONS
Condition Green AC
Light (4) Audible Alarm Status
NORMAL/START UP On after Beep Single Beep, then Off Operate
Start-Up Test Fail On after Beep Fast Beep for 15 Sec and then Off Operate
Input Frequency Mismatch with
Option Switch Setting
Input Voltage Below Threshold
Off Continuous Will Not Start
Overload/Short Circuit Off Continuous for 15 Sec and then Off Will Not Start
NORMAL MODE On Off Operate
Battery Test Fail On Fast Beep for 15 Sec and then Off Operate
Overload/Short Circuit Off Continuous for 15 Sec and then Off Shutdown
BACKUP MODE Off Slow Beep Operate
Low Battery Alarm Off Fast Beep Warn of Shutdown
Low Battery Shutdown Off Continuous for 15 Sec and then Off Shutdown
Main Overvoltage
(transfer enabled) Off Slow Beep Operate
The UPS starts and repeats the battery test sequence every hour until the test is passed.
400/600 VA LED & ALARM INDICATIONS
Condition Green AC Light (4) Amber Battery
Light (2)
Red Warning
Light (3) Audible Alarm Status
NORMAL/START UP On Flash Once &
then Off Off Single Beep and then Off Operate
Start-Up Test Fail Off Off On Continuous for 15 Sec
and then Off Will Not Start
Input Frequency Mismatch
with Option Switch Setting
Overload/Short Circuit
Off
On for 15 Sec
and then Off
Flash
Continuous for 15 Sec
and then Off
Will Not Start
Input Voltage Below
Threshold Off Off Flash Continuous for 15 Sec
and then Off Will Not Start
NORMAL MODE On Off Off Off Operate
Battery Test Fail On Off On N/A Operate
Overpower On Off Flash Fast Beep Alarm Only
Overload/Short Circuit Off On for 15 Sec
& then Off Flash for 15 Sec & then Off Continuous for 15 Sec & then Off Shutdown
Charger Fail On Off On Slow Beep Alarm Only
BACKUP MODE Off On Off Slow Beep Operate
Low Battery Alarm Off On On Fast Beep Operate
Low Battery Shutdown Off On* On* Continuous for 15 Sec
& then Off Shutdown
Mains Undervoltage Off On Off Slow Beep Operate
Mains Overvoltage Off On Flash Slow Beep Operate
Overload/Short Circuit
SiteNet 1 Shutdown Off On* Flash* Continuous for 15 Sec
& then Off Shutdown
*If there is insufficient utility voltage, this indicator illuminates for 15 seconds then turns off to preserve the battery.

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SPECIFICATIONS
Model # / Stock # PS250-50/PS250-50S PS400-50 / PS400-50S PS600-50 / PS600-50S
Model Rating 250 VA / 150 W 400 VA / 240 W 600 VA / 360 W
Dimensions: mm
Unit (W x D x H) 90 x 262 x 175 109 x 262 x 186 124 x 262 x 216
Shipping (W x D x H) 181 x 365 x 303 212 x 482 x 292 237 x 482 x 334
Weight: Kg
Unit 45.7 9
Shipping 4.6 710.5
AC Parameters
Receptacles (2) CEE-22 (4) CEE-22 (4) CEE-22
Input Voltage Range 180-300 VAC, Single Phase, 2 Wire Plus Earth
Low Voltage Transfer Point 190 VAC, User Selectable to 180 or 200 VAC
High Voltage Transfer Point 270 VAC 270 VAC, User Selectable to 280 VAC
Input Frequency Range 47 –53 Hz, 57 –63 Hz
Spike Protection 80 Joules
Output Voltage (on battery) 230 VAC, ± 5%
Output waveform (on battery) Stepped Sine Wave
Max. Output Current at 230 V 1.1 A 1.7A 2.6A
Output Frequency 50 or 60 Hz, ± 5%
Max. Overload Capacity 115% of Power Rating
Battery
Type Valve-Regulated Lead Acid
Qty x Voltage x Rating 1 x 12 V x 4.5 AH 1 x 12 V x 7 AH 2 x 12 V x 7 AH
Back-up Time 6 minutes at full load
Time from Low Battery Alarm
to Shutdown Approximately 2 Minutes, depending on load
Recharge Time 8 –10 Hours to 90% Capacity
Battery Life 3 –5 Years Typical
Transfer Time to/from Inverter 2 –6 msec. Typical
Agency Approvals
Safety EN 50091-1
RFI Meets EN 55022 Class B, IEC 801-2, 3, 4
Surge Protection Meets IEC 801-5 (Draft)
MTBF (Bellcore Method) 100,000 Hours (Excluding Battery)
Environmental Standards
Operating Temperatures +10° C to +40° C
Storage Temperatures -20° C to +40° C (High Temperatures Reduce Battery Life)
Cooling Convection
Audible Noise Less than 40 dB @ 1 meter
Operating Elevation Up to 3,000 m
Storage Elevation Up to 10,000 m

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LIMITED WARRANTY
Liebert Corporation extends the following LIMITED WARRANTY to the
purchaser and to its customer (collectively referred to as the "Purchaser"):
the enclosed Uninterruptible Power System (UPS) and components are free
from defects in materials and workmanship under normal use, service, and
maintenance FOR A PERIOD OF TWO YEARS FROM THE DATE OF
ORIGINAL PURCHASE from Liebert or the Liebert dealer or
retailer. THE
FOREGOING WARRANTY IS THE ONLY WARRANTY GIVEN AND NO
OTHER WARANTY IS PROVIDED, EXPRESS OR IMPLIED, INCLUDING
WITHOUT LIMITATION, MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE. Certain aspects of disclaimers are not applicable
to consum
er products acquired by individuals and used for personal, family,
or household purposes (as distinguished from industrial or other purposes).
Local laws may not allow limitations on how long an implied warranty lasts,
so the above limitation may not apply
to you. This warranty gives you
specific legal rights, and you may have other rights which vary according to
local law.
Certain repairs or services are the responsibility of the Purchaser and the
Purchaser is expected to pay for them. This warranty does n
ot extend either
to products with removed or altered serial numbers or to any losses or
damages due to act of God or source external to the product, misuse,
accident, abuse, neglect, negligence, unauthorized modification, alteration,
or repair, use beyond
rated capacity, or improper installation, maintenance,
application or use, including, without limitation, use in a manner contrary to
the accompanying instructions or applicable codes. WARNING: Warranty is
void if the battery is allowed to discharge below
the minimum battery cutoff
point. To prevent such discharge DO NOT leave the unit power switch "ON"
for more than two (2) days without AC power being supplied to the UPS. The
battery must be recharged every four (4) to six (6) months when not in use.
If th
e UPS fails to conform with the above warranty within the two year
warranty period, Liebert will repair or replace the UPS, at Liebert's option.
Repairs or replacements are warranted for the remainder of the original
warranty period. Purchaser, to make a w
arranty claim, should call +44
(0)1793 553355 to obtain a Returned Goods Authorization number and
shipping instructions. Return transportation costs to Liebert are the
responsibility of the Purchaser.
"LIFE SUPPORT" POLICY
This product is not recommended,
and the Company will not knowingly sell
this product, for use with life support and other designated "critical" devices.
ANY SUCH USE BY A USER AUTOMATICALLY VOIDS AND DISCLAIMS
ANY AND ALL WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
MERCHANTABILITY, IMP
LIED WARRANTY OF FITNESS FOR A
PARTICULAR PURPOSE, AND EXPRESS WARRANTIES THAT THIS
PRODUCT WILL CONFORM TO ANY AFFIRMATION OR PROMISE, FOR
THIS PRODUCT AND THE USER AGREES THAT IN NO EVENT SHALL
THE COMPANY BE LIABLE FOR CONSEQUENTIAL OR INDIRECT
DAMAGES.

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1050 Dearborn Drive Columbus, OH 43229 614-888-0246
Technical Support
U.S.A................................................................ 1-800-222-5877
Outside the U.S.A ........................................... 614-841-6755
U.K................................................................ [phone]
France ...........................................................+33 1 4 87 51 52
Germany ...................................................... [phone]
Italy .............................................................. [phone]
Netherlands.................................................. +00 31 475 503333
Internet.......................................................... [email protected]
Web site ....................................................… http://www.liebert.com
Worldwide FAX tech support......................…614-841-5471
While every precaution has been taken to ensure
accuracy and completeness in this manual, Liebert
Corporation assumes no responsibility, and
disclaims all liability for damages resulting from
use of this information or for any errors or
omissions.
©1997 Liebert Corporation All rights reserved
throughout the world. Specifications subject to
change without notice.
® Liebert and the Liebert logo are registered
trademarks of Liebert Corporation. All names
referred to are trademarks or registered
trademarks of their respective owners.
Printed in U.S.A.
SL-23237 (9/97) Rev. 2.0
R