®
UPStation S
Power Protection
User Manual
English
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·
·
·
Porter toujours des vêtements protecteurs ainsi que
des lunettes de protection pour les yeux.
Si I’électrolyte entre en contact avec la peau, nettoyer
immédiatement en rinçant avec de I’eau.
Si I’électrolyte entre en contact avec les yeux, arroser
immédiatement et généreusement avec de I’eau.
Demander pour de I’aide médicale.
Lorsque I’électrolyte est renversée, la surface affectée
devrait être nettoyée en utilisant un agent neutralisant
adéquat. Une pratique courante est d’utiliser un mélange
d’approximativement une livre (500 grammes) de
bicarbonate de soude dans approximativement un gallon
(4 litres) d’eau. Le mélange de bicarbonate de soude
devra être ajouté jusqu’à ce qu’il n’y ait plus apparence de
réaction (mousse). Le liquide résiduel devra être nettoyé
a I’eau et la surface concernée devra être asséchée.
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System Shutdown..............................................15
Manual Off........................................................ 15
Remote Emergency Power Off.......................... 15
INTRODUCTION .......................................6
UPS Alarms ........................................................15
Features ................................................................ 6
OPTIONS ................................................ 16
Standard System Components............................... 6
Optional System Components ............................ 6
Distribution.........................................................16
Configurable Distribution (CD) .......................... 16
Load Modules................................................... 17
UNLOADING THE UPS.............................6
INSTALLATION.........................................7
POWER MANAGEMENT.....................................25
Getting Started ................................................. 25
Power Management Programming Elements ....26
Loads ............................................................... 26
Events.............................................................. 26
Power Management Sample #1........................ 27
Power Management Sample #2........................ 27
3.5-6 kVA Connections ........................................ 7
Input................................................................... 7
Output................................................................ 7
3.5-6 kVA Start-up Checklist................................ 8
Remote Emergency Power Off (REPO) Cable...28
8 - 18 kVA Connections ....................................... 9
Input................................................................... 9
Output................................................................ 9
Communications Options..................................28
SiteNet 1 Shutdown Interface Kits..................... 28
SiteNet 2 Power Surveillance............................ 28
SiteNet SNMP (Simple Network Management
Protocol)........................................................... 28
Terminal/Modem Connection............................ 28
RS-232 with User-Configurable Relays.............29
Cables.............................................................. 29
8 - 18 kVA Start-Up Checklist ............................ 10
OPERATION............................................11
Control Buttons................................................. 11
LCD Display ..................................................... 11
Initial Start-Up .................................................. 11
Table #2 Factory Default Settings..................... 12
External Battery Cabinets..................................30
System Start-Up................................................. 14
Manual Restart after Manual Off....................... 14
Auto-Restart..................................................... 14
Manual Restart after Low Battery Shutdown or
REPO............................................................... 14
ROUTINE MAINTENANCE..................... 31
LIEBERT UPSTATION S™
SPECIFICATIONS................................... 31
Normal Operation............................................... 14
APPENDIX .............................................. 32
NEC Wire Gauge Chart ....................................32
3.5 kVA Battery Run Times............................... 33
6 - 8 kVA Battery Run Times............................. 34
10 - 12 kVA Battery Run Times......................... 35
15 - 18 kVA Battery Run Times......................... 36
Alarm Messages, Meanings, and Corrective
Battery Operation............................................... 14
On Battery........................................................ 14
Battery Recharge ............................................. 14
Bypass Operation .............................................. 14
Auto-Bypass..................................................... 14
Manual Bypass................................................. 14
Actions ............................................................. 37
Maintenance Bypass Operation ........................ 15
on 3.5 - 6 kVA Units............................................. 15
Transferring from UPS Operation to Maintenance
Bypass Operation............................................. 15
Transferring from Maintenance Bypass Operation
to UPS Operation ............................................. 15
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INTRODUCTION
UNLOADING THE UPS
The Liebert UPStation S™ Uninterruptible power supply
(UPS) system protects valuable equipment, data, and
processes from utility power disturbances. The high-
performance, on-line, microprocessor-controlled design
ensures clean, regulated, sinewave power to loads
regardless of utility power fluctuations. An internal battery
provides power to loads during utility power outages.
Refer to the figures below:
1. Remove shipping bands (A) and edge protectors (B).
2. Remove polybag and box.
3. Remove bracket mounting bolts (C) from pallet.
4. Knock out shims (D) with hammer and screwdriver.
5. Thread leveling feet (E) flush with unit bottom.
6. Remove front pallet hex bolts (F). Remove the front
skid (G).
This highly intelligent UPS alerts you to unusual
circumstances, or configure the UPS to serve as a source
of information and a power control base for specific
7. Slowly tilt the unit forward and roll it off the pallet.
CAUTION: The units are heavy. Use at least two
people for this step.
applications.
Programmable parameters, computer
interfaces, and several network control features (remote
status/control, Power Management, event logging, and
others) provide maximum application flexibility.
Unbolt shipping brackets (H) from unit. Inspect unit.
Verify model number and check for damage. Make sure
UPS Input, Output, and Battery circuit breakers are Open
(OFF).
Features
·
Input power factor correction (PFC) makes optimal
use of utility power.
·
Input current total harmonic distortion (THD) of less
than 5% minimizes noise on the branch circuit and
reduces neutral currents.
·
·
Power Output Distribution (unit) facilitates UPS repair
or battery replacement without disrupting power to the
load on 3.5 - 6 kVA units
Temperature-compensated battery recharge for
longer battery life.
·
·
·
Programmable voltage and frequency.
Tower configuration with small footprint.
Two-phase pulse width modulated (PWM) inverter
with isolated neutral.
·
UL 1778 and CSA 22.2 listed for user safety.
FIGURE #1
Side View with
Mounting Bracket
Detail
Standard System Components
·
Integral Battery
LCD Display for comprehensive user indications and
controls
·
·
·
·
·
Audible Alarm
Remote Emergency Power Off (REPO) capability
Auto-Restart capability
Automatic Bypass
Optional System Components
·
Communication Interfaces: SiteNet 1 Shutdown Kits,
SiteNet 2 Power Surveillance, and SiteNet SNMP
External battery cabinets
Figure #2
·
·
Power Management for individual load control.
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3.5 - 6 kVA Liebert UPStation S™ systems include the
UPS and the AC unit. The unit provides connection to
both utility power and UPS output power through the use
INSTALLATION
Read Operation section to understand user controls and
displayed messages before beginning.
of a simple Maintenance Bypass Switch.
See the
Operation section for instructions on Maintenance
Bypass Switch use.
Operate UPS in a clean, controlled environment with
adequate airflow.
Exposure to excessive dirt or dust adversely affects UPS
operation.
Input
The input power cord includes a NEMA L14-30 plug. The
cord is six feet long and rated for 30 Amps. Customer
supplied wiring must include an L14-30 receptacle and a
30 Amp circuit breaker.
Internal fans cool the UPS. The unit intakes air at the front
and exhausts it out the rear. Allow at least one foot of
space around UPS for air circulation. Operate UPS within
specified temperature and humidity limits.
Output
The POD contains the output receptacles.
Allow only authorized personnel to service UPS. Allow a
minimum of 3 feet access on both sides for rigid conduit
installations. Units that can be rolled forward for side
service access require no side access in their normal
position. Manual UPS operation and connection to UPS
receptacles requires rear access.
DB25
Communications
Connector
Optional SNMP
Interface
(RS-232, AS/400, LANs)
Input Fuses
(30A) (F1,F2)
Variable Speed Fan
POD Guidepin w/nut
POD Connectors
Bypass Switch
3.5-6 kVA Connections
REPO Connection
Battery Fuses
(30A) (F3,F4)
See the figure to the right for connection locations.
External Power
Management
Load Module
Communications
Connector
Output Circuit
Breaker (30A)
CAUTION: A qualified electrician must review and
approve customer-supplied wiring, circuit breaker(s),
power outlet, and intended loads. Ensure correct line,
neutral, and ground connections, and that phase
rotation is phase A leads phase B. See Site Planning
Data and Table NEC Wire Specifications in the
Appendix.
External Battery
Cabinet Connector
Guidepin w/nut
Caster
3.5-6 kVA
REAR VIEW
3.5-6 kVA Single Line Diagram
POD
AUTO / MANUAL BYPASS
N
SURGE
SUPPRESSION
AND EMI
FILTER
L1, L2
L1, L2
N
FRONT END CONVERTER
INVERTER
EMI
FILTER
L1, L2
G
N
INVERTER
MAINT.
BYPASS
SWITCH
AUTO / MANUAL
BYPASS
BATTERY
CHARGER
G
BATTERY
TO EXTENDED
BATTERY
CABINETS
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gap exists. Thread hex nuts back onto guide pins
with a 7/1 6” wrench.
3.5-6 kVA Start-up Checklist
8. Verify the Maintenance Bypass Switch (switch SW2
1. Remove POD from box. Set aside the two UPS
battery fuses inside the user manual packet for later
installation.
on the unit) is in the ”UPS” position
9. Turn off all UPS-supported loads and plug them into
the POD.
10. Install the two battery fuses (F3 and F4). The second
fuse completes a circuit. The spark is a normal
indication.
11. Roll unit to final position. Allow at least one foot of
rear clearance. Adjust leveling feet.
Steps 2 – 4 apply to UPS Hardwire Input / Output
connections ONLY.
For standard plug connections, skip to step 5.
2. Note conduit knockouts on unit side. Remove the
four screws securing the terminal block access cover.
3. Wire UPS input and/or output per NEC (NFPA 70)
and all applicable local codes. Use 75 degrees C
copper wire. See Site Planning Data and Table NEC
12. Plug unit power cord into the wall outlet.
13. Turn ON customer-supplied wall outlet circuit breaker
to supply power to UPS control circuits. The fan and
the LCD display activate.
14. The LCD display prompts you to review and accept
default settings (see page 11) or configure the UPS
for your application.
15. After configuration, automatic self-tests begin. If self-
tests are OK, the Close Breaker then Press ON
message appears and an alarm sounds. Press Alarm
Silence Button to silence the alarm. If any other
message appears, contact Liebert at 1-800-222-5877.
16. Turn ON Output Circuit Breaker on back of UPS by
turning it OFF, then ON again to reset it. Press the
front panel ON button. The UPS tests the inverter
and displays the Normal Operation message.
17. Green light on unit indicates power available for loads
and normal UPS operation.
Wire Specifications in the Appendix.
Note that
terminations used for an L-L-N-G system differ from
those used for an L-N-G system as indicated by the
terminal block labels below.
Terminal
Locations
N
L1
G
L2
GND 1
Maintenance
Bypass Switch
(SW2)
G
L1
N
L2
18. Turn on each critical load one at a time. The UPS
provides filtered, regulated power to protect valuable
processes and data.
UPS INPUT
CUSTOMER
CONNECTIONS
UPS OUTPUT
G
L1
N
L2
Conduit
Knockouts
Unit Installation
J2
UPS OUTPUT
GND 2
4. Reassemble the POD.
5. With UPS OFF, remove hex nuts on the two guide
pins on the rear of the UPS.
Maintenance
Bypass Switch
(SW2)
6. While holding the unit with the Maintenance Bypass
Switch on the top, guide the unit so that the UPS
guidepins insert in the holes at the top and bottom.
As the guidepins insert, ensure that the two sets of
connectors align. Once all the connector pins make
contact, push the unit onto the UPS until it is in
contact with the back of the UPS.
Guidepins
w/Hex Nuts
Input Plug
CAUTION: If connector pins do not align, DO NOT
force the unit onto the UPS. It may break the pins.
Instead, try to reinstall the unit.
7. Look at the connection from the side. There should
be no gap between the unit connectors and the UPS
connectors. If there is, push the unit further until no
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Table #1 – Compression Field Connections
8-18 kVA Connections
Connection
Wire Size
Torque (lb.in)
Range (AWG)
8 –12 kVA Liebert UPStation S™
CAUTION: A qualified electrician must review and -
approve the customer-supplied wiring, circuit
breaker(s), power outlet, and intended loads. Ensure
correct line, neutral, and ground connections, and that
phase rotation is phase A leads phase B (leads phase
C, if third phase is used). See Table #5 in the
Appendix & Site Planning Data.
AC Input
#14 - #2.0
#2.0 - #6 = 45
#8 = 40
#10 - #14 = 35
Optional Dual AC Input
See Table #1 to the right and the figures on the following
pages for terminal details and block diagrams of UPS with
both single and optional dual input. Use 75 degrees C
copper wire in compliance with the NEC (NFPA 70) and all
applicable local codes.
AC Output
Ground and GEC
15 - 18 kVA Liebert UPStation S™
AC Input
Optional Dual AC Input
AC Output
#14 - #6
Remove conduit-landing plates from UPS. Punch conduit
holes in these plates for both input and output
connections. Tighten wire connections according to unit
torque specification labels and Table #1.
#2.0 - #6 = 45
#8 = 40
##10 - #14 = 35
#14 - #2/0
Optional Ext. Battery
Cabinet
Ground and GEC
1581EBD External Battery Cabinet
Input
The UPS accepts two-phase or three-phase power.
#2.0 - #6 = 120
#8 = 40
#10 - #14 = 35
Input DC and Ground
#14 - #2/0
Output
8 - 12 kVA: Hardwire output power to a customer-supplied
NOTES:
panelboard, or to optional distribution units.
The
·
8 – 18 kVA systems require a local Grounding
Electrode per NEC 250.
Configurable Distribution unit (in conjunction with Load
Modules) provides receptacle distribution.
Distribution in the Options section.
See
·
Minimum size grounding conductors per NEC. Parity
sized ground conductors recommended. Size Neutral
conductors for full capacity per NEC.
15 - 18 kVA: Hardwire output power to a customer-
supplied panelboard.
·
·
Refer to NEC Article 250 and local codes for proper
wire sizing and grounding practices.
UPS Output is a separately derived source when
operating on inverter. Output Neutral is bonded to
equipment ground internal to the UPS.
DB25
External Power
Communications Connector
(RS232, AS/400, LANs)
Management Load Module
Communications Connector
REPO
Connection
Optional
SNMP
Interface
External Power
Optional DB25
Communications
Connector
(RS232, AS/400, LANs)
Management
Bypass
Switch
Optional
SNMP
Interface
Load Module
Communications
Connector
Bypass
Switch
REPO
Connection
Variable
Speed
Fan
External
Battery Cabinet
Connector
Battery
Circuit
Breaker
Battery
Circuit
Breaker
Terminal
Block
Output
Circuit
Breaker
Input &
Output
Conduit
Landing
Plate
Output
Circuit
Breaker
Access
Covers
Input
Circuit
Breaker
Input
Circuit
Breaker
Output Conduit
Landing Area
External
Battery
Conduit
Landing
Plate
Input Conduit
Landing Area
Casters
Leveling Feet
8-12 kVA REAR VIEW
Bottom Conduit Access Area
15 - 18 kVA
Rear View
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8 - 18 kVA Start-Up Checklist
1. Open (turn OFF) UPS Output Circuit Breaker.
2. Open (turn OFF) customer supplied distribution circuit
8. The LCD display prompts you to review and accept
default settings or configure the UPS for your
application. See page 11 for default settings.
9. After configuration, automatic self-tests begin. If self-
tests are OK, a horn sounds and the ”Close Breaker
then Press ON” message appears. If any other
message appears, contact Liebert at 1-800-222-5877.
10. Close (turn ON) Output circuit breaker on back of
UPS and press the ON button.
breakers.
3. Turn OFF critical loads and plug them into output
distribution units or customer-supplied distribution.
4. Turn ON battery circuit breaker on rear of UPS.
5. Roll unit to final position. If using flexible conduit for
power connections, allow at least 18 inches of
clearance around the UPS with enough conduit to roll
UPS 3 feet from wall. If using rigid conduit, allow at
least 3 feet of clearance around the UPS. Adjust
leveling feet.
11. The UPS tests the inverter and displays the Normal
Operation message.
6. Close (turn ON) customer-supplied circuit breaker that
supplies power to the UPS.
12. Close (turn ON) customer-supplied distribution circuit
breakers.
7. Close (turn ON) the UPS Input circuit breaker to
supply power to UPS control circuits. The fans and
LCD display activate.
13. Turn on each critical load one at a time. The UPS
provides filtered, regulated power to protect valuable
processes and data.
8-18kVA Single Line Diagram
AUTO / MANUAL BYPASS
N
SURGE
SUPPRESSION
AND EMI
FILTER
L1, L2
L1, L2
FRONT END CONVERTER
INVERTER
L1, L2
EMI
FILTER
N
N
L3 (OPT)
INVERTER
AUTO / MANUAL
BYPASS
G
BATTERY
CHARGER
G
BATTERY
DC
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OPERATION
LCD Display
Control / Display Panel
The control panel includes tactile pads (dome buttons) and
a menu-driven LCD (liquid crystal display). The display
provides full metering, present status, and alarms, if any.
See figure on right.
NORMAL OPERATION
12:45
for Menu
NOV 21
Press
Control Buttons
ON Button - This button turns on the UPS inverter. It
supplies power to the output if the Output Circuit Breaker
is closed. The ON button also restarts the UPS after a
manual shut-off.
OFF Button - Press this button twice to cause an orderly
shutdown of the unit. The unit turns OFF all power to
loads, including bypass, and disables Auto-Restart until
the ON button is pressed. However, the display remains
active and the batteries still recharge. Pressing the button
only once causes a return to normal operation in a few
seconds. This control feature helps avoid accidental
shutdowns.
ESC
Escape
Button
Left Arrow
Button
Right Arrow
Button
Enter
Button
I
O
Note: If you press the OFF button a third time, a display
message prompts you to press it a fourth time which
opens the Output Circuit Breaker at the rear.
Alarm Silence Button - This button silences alarms. The
alarm sounds if a new alarm occurs.
ON
ON Button
OFF
Alarm Silence
Button
OFF Button
After reviewing or changing the output configuration, then
accepting it, start-up self tests begin. The selected
configuration is stored in control memory even with no
power to the UPS.
LCD Display
The menu-driven LCD display has four (4) lines of text (16
characters per line) on a screen to indicate status, alarms,
metered conditions, and user selections. The display
controls include four (4) buttons to view or select UPS
conditions:
Left Arrow - Returns to previous screen or value
Right Arrow - Advances to next screen or value
Enter - Selects a menu, display, or value and enters
selected values into the control program
Self tests begin immediately if power is applied after initial
start-up. Configuration review is optional.
The unit will not repeat most self tests when turned OFF
then ON because power is not removed from control logic.
Upon turning it ON, the unit tests the inverter. To start
unit, close the Output Circuit Breaker.
Escape - Cancels selections. It returns values to original
settings and the display to the main menu.
The LCD panel displays messages and operating
parameters. It usually displays a Normal Operation
screen (see figure on right) which includes date, time, and
a prompt on the help line to select the Main Menu. Alarms
or faults displace the Normal Operation screen.
The user screens are organized in a multi-level menu
system (see page 13). Select a choice with the keys
below the screen. The Enter key moves the cursor to the
next lower menu level. The Escape key returns the cursor
to the previous menu. Use the Left and Right keys to
scroll through available options and to select user-
programmable values. The cursor indicates which value is
active. Press Enter to record the value after each
selection.
Initial Start-Up
At initial start-up, the LCD display prompts the user to
review or change the configuration.
The initial
configuration menu allows the following selections:
Review Configuration, Change Settings, UPS Meters,
and Accept Settings.
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User Menus - The Main Menu allows these options:
The UPS Meters option allows review of the following
UPS meters:
·
·
·
·
·
Configuration
UPS Meters
Event Log
Test Options
Power Management
Load % kVA; A and B Phase
Input A-Phase; volts and amps
Input B-Phase; volts and amps
Bypass A-Phase; volts
The Configuration option allows review or change of the
following settings:
Bypass B-Phase; volts
Output A-Phase; volts and amps
Output B-Phase; volts and amps
DC Bus; volts and amps
Frequency; input and output
Temperature; inside unit
Configuration Setting
Default Value
Inverter Wattage; A and B Phase
Input Voltage
Input Frequency
Output Voltage
Output Frequency
Low Battery Warning Time
Auto Battery Test
Total UPS Runtime
Input Wiring
Output Wiring
Time and Date
Modem Mode
Horn Volume
208/120 VAC
60 Hz
208/120 VAC
60 Hz
2 Minutes
Enabled (5 wks)
0 Hrs
L1-L2-N-G
L1-L2-N-G
Present
(see Options)
16 (mid-range)
16 (mid-range)
Standard
The Event Log option allows review of the Alarm History
log and the Input Disturbances log. The Test Options
option allows a Screen Test (Enter then ESC) and a
Battery Test (Enter begins a 30 second test) NOTE: See
the following page for a complete menu tree. See the
Options section for more information about Power
Management.
Screen Contrast
Battery Charger Mode
Slew Rate
1.0 Hz/Sec
1.0 Hz
Input Frequency Sync Range
Start Up Mode
Password Protection
Password
UPS ON(1)/OFF(0)
Transfer UPS
Battery installed on
Auto-Restart
Disabled
AAAAAAA
(remote use)
(remote use)
(Date)
Table #2 Factory Default Settings
NOTE: To change input or output voltage, frequency, or
wiring, push the OFF button twice. Though the input is
connected and the display is active, there is no output to
the loads after pressing OFF twice. Other changes may
be made during UPS operation.
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LCD MENU TREE
MAIN MENU
Power
Management
Event
Log
Test
Options
UPS
Meters
Configuration
PROGRAMMING
REVIEW
OVERRIDE
LOAD %
ALARM HISTORY
(Holds 256 Alarms)
INPUT DISTURBANCES
Brownouts
Blackouts
Transients
TEST SCREEN
TEST BATTERY
INPUT A PHASE V & I
INPUT B PHASE V & I
BYPASS A PHASE V & I
BYPASS B PHASE V & I
OUTPUT A PHASE V & I
OUTPUT B PHASE V & I
BATTERY BUS V & 1
INPUT/OUTPUT
LOAD LABELS
Change
Settings
Review
UPS RATING
INPUT VOLTAGE
INPUT VOLTAGE
200/100
INPUT FREQUENCY
OUTPUT VOLTAGE
OUTPUT FREQUENCY
LOW BATTERY WARNING TIME
AUTO BATTERY TEST SETTINGS
TOTAL UPS RUNTIME
ADVANCE CONFIGURATION
Input Wiring
220/110
230/115
240/120
220/127
208/120
INPUT FREQUENCY
50 Hz
FREQUENCY
TEMPERATURE
INVERTER WATTAGE
60 HZ
Output Wiring
Time and Date
OUTPUT VOLTAGE
200/100
Modem Mode
220/110
Horn Volume
230/115
Screen Contrast
Battery Charger Mode
Slew Rate
240/120
220/127
208/120
Input Frequency Sync Range
OUTPUT FREQUENCY
Start-up Mode
Software Revision
Battery Instillation Date
50 Hz
60 Hz
LOW BATTERY WARNING TIME
AUTO BATTERY TEST PARAMETERS
TOTAL UPS RUNTIME
ADVANCED CONFIGURATION
Input Wiring
L1-L2-N-G
L1-L2-G
L1-N-G
L1-L2-L3-N-G
L1-L2-L3-G
Output Wiring
L1-L2-N-G
L1-L2-G
L1-N-G
Time & Date
Language Configuration
English
French
Modem Mode
Horn Volume
Screen Contrast
Battery Charging Mode
Turbo
Slow
Slew Rate
Input Frequency Sync Range
Start-up Mode
Auto
Manual
Set Password
UPS on/off
Transfer UPS to Bypass
Battery Installation Date
Custom Relays
Review
Program
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The battery charger compensates for battery temperature.
In addition, the charger has two recharge rates, user-
selectable through the LCD display. The ”turbo” rate
recharges batteries to 95% capacity within 10 times the
System Start-Up
Manual Restart after Manual Off
If Manual Restart has been selected (rather than Auto-
Restart) and someone has turned the unit off, the Output
Circuit Breaker will probably be closed. Just press the ON
button to turn on the UPS inverter.
discharge duration.
The ”standard” rate recharges
batteries to 95% capacity within 20 times the discharge
duration. Select the ”standard” factory default setting rate
if your utility system has frequent (weekly) blackouts.
With ”turbo” mode enabled, the microprocessor
determines how often to use the fast recharge rate, in
order to optimize battery life.
Auto-Restart
The factory enables this feature. The UPS automatically
restarts and supplies power to the load after battery
depletion. The UPS supplies power to the load as soon as
utility service is restored.
Turning the UPS OFF disables Auto-Restart until the ON
button is pressed.
Bypass Operation
The bypass provides an alternate path for power to the
critical load. On bypass, utility power feeds directly to the
Manual Restart after Low Battery Shutdown or REPO
Manual Restart (instead of Auto-Restart) opens the Output
Circuit Breaker upon battery depletion during a power
outage. Pressing the customer-supplied REPO switch
also opens the Output Circuit Breaker. To manually
restart the UPS, close the Output Circuit Breaker (turn it
OFF, then ON to reset breaker). When the ”Press ON to
start system...” message appears, press the ON button.
load.
Auto-Bypass
Upon overload or inverter
failure,
automatically transfers to
(and from) bypass.
During an overload, the
UPS attempts to
retransfer from bypass to
the inverter up to 15 times
within a 20-minute period.
If the overload prohibits
retransfer
minutes, the unit remains
on bypass.
Manual Bypass
Manually
bypass power to the
critical load by operating
the bypass switch on the
back of the unit. When
activated, the unit immediately transfers to bypass and
turns OFF the inverter, PFC, and battery charger. The
UPS remains in bypass until the switch is moved to the
UPS position. The user may also initiate manual bypass
via the LCD display or RS-232 remote communications.
the
UPS
Bypass
Switch
Normal Operation
When the utility power is available and within acceptable
limits, the unit supplies filtered and regulated power to the
load through the inverter. The battery charger maintains a
charge on the battery.
after
20
During normal operation, the LCD display informs you of
select
the
UPS status.
The display indicates when the UPS
transfers the load to or from bypass (if available), when
the load is On Battery, and when alarms or faults occur.
See the alarm chart in the Appendix for alarm message
meanings and corrective actions.
Battery Operation
On Battery
During low input voltage, the battery supplements inverter
power. During a utility power failure, the battery provides
all power required for normal operation. A fully charged
battery provides at least 10 minutes of output power.
More battery power is available if your system includes an
optional external battery cabinet (see Options). Less load
increases the battery back- up time. If your UPS supports
several computer systems, turning some of them off
allows others to run longer. Battery Run Time curves in
the Appendix show performance of the internal battery and
external battery cabinets.
NOTE: If utility power remains off, perform an orderly
shutdown of the critical load before exhausting the battery.
If utility power returns during battery operation, normal
operation resumes and battery recharging begins.
Battery Recharge
Upon return of acceptable utility power after battery
operation, the battery charger begins to charge the
batteries. Battery charging stops upon pressing the OFF
button four times or activating the REPO.
14
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Maintenance Bypass Operation
System Shutdown
on 3.5 - 6 kVA Units
Manual Off
Pressing the OFF button twice removes power to the load
by turning off the inverter and opening the bypass. The
Output Circuit Breaker remains closed, even though
output power is unavailable.
The POD includes a Maintenance Bypass Switch that
allows UPS removal for service or maintenance without
interrupting power to the loads.
Pressing the OFF button twice disables Auto-Restart until
you press the ON button, but control logic and battery
charging remain active.
NOTE: Pressing the OFF button a third time displays a
message prompting you to press the OFF button a fourth
time. Pressing it a fourth time opens the Output Circuit
Breaker at the rear of the unit.
Transferring from UPS Operation to Maintenance
Bypass Operation
1. Transfer UPS to manual bypass operation via switch
SW1 on back of the UPS. The UPS beeps, indicating
bypass operation. Press the Alarm Silence button to
silence the beep.
2. With UPS in bypass, rotate the unit Maintenance
Bypass Switch (SW2) to the ”Maintenance Bypass”
position.
3. Press the UPS OFF Button twice. Utility power now
supports the load. Leave the POD mounted on the
UPS. Allow only qualified service personnel to
remove it. For UPS repair or maintenance, contact
Liebert at 1-800-222-5877.
Remote Emergency Power Off
Each unit includes a connector to facilitate Remote
Emergency Power Off (REPO) from a customer-sup- plied
switch. An optional switch with 50 feet of cable is
available. Activating Emergency Off opens the Output
Circuit Breaker and disables battery recharge.
Transferring from Maintenance Bypass Operation to
UPS Operation
1. Verify the UPS manual bypass switch (SW1) is in the
”bypass” position, and the UPS output circuit breaker
is ON. (Turn the circuit breaker OFF and then ON to
reset it.)
2. Reattach unit following the instructions in the 3.5-6
kVA Startup Checklist.
UPS Alarms
See the alarm chart in the Appendix for alarm message
meanings and corrective actions. Perform the corrective
action described for a specific alarm. For assistance,
contact Liebert at 1-800-222-5877.
3. UPS begins start-up and the manual bypass alarm
sounds. Silence the alarm.
4.
Set the UPS manual bypass switch (SW1) to the
”UPS” position.
5. UPS display indicates ”Start up test warning: check
messages”. Press the right arrow button. If ”Load on
Manual Bypass” appears, turn the UPS ON by
pressing the ON button twice.
6. Wait for the UPS display to indicate ”Normal
Operation”. Set unit Maintenance Bypass switch
(SW2) to the ”UPS” position. UPS now supplies
controlled power to the loads.
15
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OPTIONS
Contact your Liebert UPS distributor for option availability and ordering information.
Distribution
Configurable Distribution (CD)
An optional enclosure hardwires to 3.5 - 12 kVA units and accommodates up to eight Standard or Power Management Load
Modules. It may be wall or floor-mounted and includes a 70 Amp circuit breaker. Refer to drawings below.
2x4 Wall Stud
BACK VIEW
Wall Material (REF)
TB2
L1 L2
N
RIGHT
SIDE
19“
(REF)
TB1
N
L1 L2
This terminal
block allows for
daisy-chaining
of additional
distribution
Customer
Output
units.
G
Rack may be mounted 4“ to the
right or left of location shown.
16“(REF)
Power Management
Communications Connector
Rack Mat’l
¼ Washer
¼ Split Loc
¼ 20 Nut
Bracket
TB7
TB2
TOP
VIEW
¼ 20x1.0
Bolt
Detail A
Output
Terminal
Blocks
Output
Breaker
L1 L2
NOTES
Output Terminal Block wire
range: (1) #14 - #2 AWG
per connection
·
·
Weight, including load modules, about 100 lbs.
Attach brackets to wall as shown using customer-
supplied 1/4” hex head lag screw or equivalent
hardware.
Output Wiring
Access Area
·
Options: 5’ UPS to CD Power Cable, 5’ Power
Management Power Cable, Wall Mount Bracket,
and Load Modules.
Output Conduit
Landing Area
·
Refer to NEC Article 250 and local codes for proper
wire sizing and grounding practices.
Input Conduit
Landing Area
·
Configurable Distribution may be used on all
Liebert UPStation S™ units up to 12 kVA.
8-12 kVA Rear View
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Standard Load Module
Load Modules
Load Modules for 3.5 to 12 kVA units offer a variety of
power receptacles when used in conjunction with the
Configurable Distribution. Each Load Module includes:
1. Circuit Breaker
2. Green output receptacle(s) power indicator
3. 1 or 2 Output Receptacles.
Hardwire Load Module
Remove screw to open module
cover for terminal block access.
Hard Wire (terminal block) Load Modules provide a
knockout to attach flexible conduit (see drawings to the
right). Use no more than three feet of conduit to avoid
attachment points required by national and local codes.
Terminal compression lugs accept wire size 42 to #14
AWG. Select wire size based on UL 1778 and NEC. See
Table #3 below for circuit breaker provided. Tighten each
connection based on wire size as follows: 10 to 14 AWG to
35 Ib.-in., 8 AWG to 40 lb.-in., 4-6 AWG to 45 lb.-in., 2-3
AWG to 50 lb.-in.
Terminal block
lug range:
(1) #14 - #2 AWG
See Power Management for details on Power
Management Load Modules.
Conduit entry knockout:
.5“, .75”, or 1.0” diameter
TABLE #3 – LOAD MODULES
Receptacle
Voltage
(configuration)
120 (L-N-G)
120 (L-N-G)
208 or 240 (L-L-G)
120 (L-N-G)
Circuit
Breaker
5-15R2
L5-15R1
L6-15R1
5-20R2
L5-20R1
L6-20R1
L14-30R1
15 A, 2 Pole
15A, 1 Pole
15 A, 2 Pole
20 A, 2 Pole
20 A, 1 Pole
20A, 2 Pole
20A, 2 Pole
HARDWIRE NOTES
·
·
Use flexible metal or liquid-tight metal conduit only.
For conduit lengths longer than three feet, refer to NEC article 350-4 or 351-4 for
securing conduit.
120 (L-N-G)
·
Use knockouts for conduit attachment. DO NOT drill into UPS or load module.
208 or 240 (L-L-G)
208/120 or 240/120 (L-
L-N-G)
·
Use wire sized in accordance with NEC 310-16 and the output breaker amperage.
6-15R1
L5-30R1
L6-30R1
L14-30R1
208 or 240 (L-L-G)
120 (L-N-G)
208 or 240 (L-L-G)
208/120 or 240/120 (L-
L-N-G)
15A, 2 Pole
30 A, 1 Pole
30 A, 2 Pole
30A, 2 Pole
Hardwire (15
208/120 or 240/120 (L-
L-N-G)
208/120 or 240.120 (L-
L-N-G)
15A, 2 Pole
20 A, 2 Pole
A)
Hardwire (20
A)
17
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Standard Features
Maintenance Bypass 8 - 18kVA
·
·
A
locking handle prevents unauthorized
The Liebert UPStation S™ Maintenance Bypass
Cabinet allows the customer to completely isolate
the UPS for repair and/or preventive
maintenance. A rotary switch provides a make-
before-break system that enables a transfer to
access.
A holder for the User’s Manual and any site
documentation is provided on the inside
and
from
maintenance
bypass
without
cover of the door.
This enables the
interruption to the load.
customer to keep all documentation relating
to their UPS and maintenance bypass with
the unit.
There are two sizes available; the VM12000
series for the 8-12 kVA units and the VM18000
series for the 15 -18 kVA units.
·
·
Auxiliary contacts, rated at 15 amps and 600
volts, are available if the customer requires
remote monitoring of the maintenance
bypass.
Weights/Dimensions
The maintenance bypass cabinet is a wall-mount
system. Dimensions and weights depend on the
KVA rating and options installed.
following table to determine the weight of your
maintenance bypass. Dimensions can be found
on page 20.
Conduit knock-outs for power wiring and
control wiring are prefabricated into the
enclosure, allowing for top or bottom
entrance.
Use the
Modes of Operation
Approximate Weights in Pounds
The are three modes of operation on the
maintenance bypass; On-Line, Test, and
Maintenance Bypass. There are two major types
of maintenance bypass cabinets and Liebert
UPStation S™ units when referring to the one-
line diagrams and power flows.
Model Number
VM12000
VM18000
125
175
On-Line
When the rotary switch is placed in the On-Line position, contacts A and C are closed with contact B open.
The standard Liebert UPStation S™ is powering the critical load as illustrated below.
UPStation S™
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Test
When the rotary switch is placed in the Test position, contacts A and B are closed and C is open. The
power for the load is now coming from the maintenance bypass source, as illustrated in below. The
connection from the output of the UPS is open. Input power to the UPS is still available for testing and
troubleshooting purposes.
MAINTENANCE BYPASS
UTILITY
FEED
CRITICAL
LOAD
B
A
C
BYPASS
PFC
INVERTER
BYPASS
BATTERIES
UPStation S™
Maintenance
When the rotary switch is placed in the Maintenance position, contacts A and C are open and B is closed.
The power for the load is coming from the maintenance bypass source, as illustrated below. The UPS is
now completely isolated from the source as well as the critical load.
MAINTENANCE BYPASS
UTILITY
FEED
CRITICAL
LOAD
B
A
C
BYPASS
PFC
INVERTER
BYPASS
BATTERIES
UPStation S™
19
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INSTALLATION
This section includes unloading, inspection, mounting and connections for the maintenance bypass
cabinets. Reading this section in its entirety before you begin is a good preparation for your start-up.
UNLOADING
complete a freight damage claim form.
Insure that the system ordered is what was
received prior to mounting.
The unit is shipped on a box that is banded down
to a pallet. To unload the maintenance bypass
cabinet:
Mounting
The Liebert UPStation S™ Maintenance Bypass
Cabinet is designed for wall mount only. Prior to
installation, verify that the wall can support
the weight of the bypass cabinet. Weights
can be found on page 18.
·
·
·
Remove the banding from the container
Open box and remove maintenance bypass.
Inspect for any damage to the unit. Report
any damage to the shipping carrier and
The dimensions required for mounting of the maintenance bypass are illustrated below. All dimensions are
in inches.
Model Number
A
B
C
D
E
F
G
H
VM12000
VM18000
12
16
24
24
24
24
22.5 21 1.5 .75
22.5 21 1.5 .75
.5
.5
Note: All dimensions are in inches
20
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8-18 kVA UPS Connections
1. Input and Output Power wiring must be run in separate conduit.
2. Control and Power wiring must be run in separate conduit.
3. Wire and breaker sizing must be in accordance with NEC and
local electrical codes.
4. RMBP units are designed to be mounted on the wall. Insure that
wall can support weight prior to installation.
5. The UPStation S must have an internal bypass for system to
operate according to specifications.
The 8-18 kVA Liebert UPStation S™ allows the customer
to connect a three-phase input if desired. The only benefit
to connecting a third phase is to balance a three-phase
feed transformer.
illustration of how the system will look electrically once the
installation is complete.
Connections between the maintenance bypass and the
UPS must be run in separate conduit. Due to the
clearance requirements for service on the UPS, it is
recommended that flexible conduit be used.
The 8-18 kVA Liebert UPStation S™ has two basic
connections; UPS Input and UPS Output. Below is an
UPStation S™
21
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Input and output terminal blocks are provided on the back of the 8-12 kVA Liebert UPStation S™ as illustrated below. Conduit
can be landed on the rear or bottom of the UPS. Note that side, rear, front and top access is required for service on all Liebert
UPStation S™ product lines.
RS232-DB25
Input and output terminal blocks are provided on the back
of the 18 kVA UPS as illustrated above right. Conduit can
be landed on the rear or bottom of the UPS. Note that
side, rear front and top access is required for service on all
Liebert UPStation S™ product lines.
wiring as per NEC. The total current into the
maintenance bypass should not exceed 46A for the 8
kVA, 56A for the 10 kVA, 66A for the 12 kVA and
94.4A for the 18 kVA
·
·
It is recommended that the site wiring and overcurrent
protection be sized initially for 12 kVA if the UPS is an
8 or 10 kVA module.
8-18 kVA Maintenance Bypass Connections
The 1512MBC and the 1518MBC maintenance bypass
have four basic connections: maintenance bypass input, to
UPS rectifier input, to UPS output and to critical load.
Wire size range for TB5 terminal block is #10 to #22
AWG. Wire size range for TB1 through TB4 is #4 to
#8 AWG. Terminal blocks have box type lug
connections with slotted screw.
·
The input to the maintenance bypass comes from the
utility source to the system. There must be a breaker
feeding the system. Size the input feed breaker and
22
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OPERATION
·
With a DVM, verify that the there is no voltage
difference between the following points in the bypass
cabinet:
The best way to initially test and start-up the unit is to do it
without a load.
TB1 L1 to TB3 L1
TB1 L2 to TB3 L2
·
·
Return the UPS LCD to the Normal Operation screen.
Transfer the UPS to bypass by placing the
bypass/UPS switch on the back of the unit in the
bypass position.
Again with a DVM, verify that the there is no voltage
difference between the following points in the bypass
cabinet:
TB1 L1 to TB3 L1
TB1 L2 to TB3 L2
Initial System Start-up
·
Rotate the bypass switch to the On-Line position.
Transfer the Liebert UPStation S™ to the UPS mode
by placing the bypass/UPS switch on the back of the
unit in the UPS position and pressing the ON button
on the front of the unit. Power is now flowing through
the maintenance bypass as illustrated on page 18.
·
Set the maintenance bypass rotary switch to the
maintenance position. Set the meter switch to the
Input L1-L2 position (units with meters)
·
Locate customer’s critical load breakers. Verify that
all load breakers are in the off position. Close
customer supplied feed breaker. Power is now
flowing through the maintenance bypass as illustrated
on page 19.
·
·
The bypass switch is operating according to
specifications if no problems occurred during the
previous start-up steps.
Transfer the UPS to bypass by placing the
bypass/UPS switch on the back of the unit in the
bypass position. Verify the L1-L2, L1-N and L2-N
output voltages, with a DVM, are as per the
customer’s specifications.
·
Verify the L1-L2, L1-N and L2-N input voltages, with a
digital voltmeter (DVM), are as per the customer’s
specifications. The UPS and maintenance bypass
input and output voltages and frequency must be
the same for the system to operate according to
specifications.
·
·
The customer may now bring up their connected
critical loads. Always energize the load on bypass,
either UPS internal bypass or maintenance
bypass.
·
·
Rotate the bypass switch to the Test position. Power
is now flowing through the maintenance bypass as
illustrated on page 19.
After the load is up and operating, the UPS may now
be transferred on-line. Transfer the Liebert UPStation
S™ to the UPS mode by placing the bypass/UPS
switch on the back of the unit in the UPS position and
pressing the ON button on the front of the unit.
Close the UPS battery breaker and input breaker, in
that order. The UPS should now be going through its
normal testing and start-up procedure. Follow UPS
LCD screen instructions.
·
After the output breaker is closed and the ON button
is pressed, the unit should return to the Normal
Operation screen. Proceed to the meter screen on
the UPS LCD. Verify that the output voltage and
frequency is the same as the input voltage and
frequency.
·
Power is now flowing through the maintenance
bypass as illustrated on page 18. The load is
protected by UPS power.
23
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Transfer to Maintenance Bypass from On-Line
·
·
The UPS should now be going through its normal
testing and start-up procedure. Follow the LCD
screen instructions.
·
·
·
·
Prior to transferring the maintenance bypass to the
bypass mode, the UPS must be in bypass. Verify that
the UPS does not have a bypass out-of-sync or
bypass voltage out-of-tolerance alarm prior to
transferring.
After the output breaker is closed and the ON button
is pressed, the unit should return to the Normal
Operation screen. Proceed to the meter screen on
the LCD. Verify that meters are within operating
specifications.
If no alarms are present, transfer the UPS to bypass
by placing the bypass/UPS switch on the back of the
UPS in the bypass position. Verify the L1-L2, L1-N
and L2-N output voltages, with a DVM, are as per the
customers specifications.
·
Return the LCD to the Normal Operation screen.
Transfer the UPS to bypass by placing the
bypass/UPS switch on the back of the unit in the
bypass position.
Rotate the maintenance bypass switch counter-
clockwise to the test position. Open the UPS output
breaker and silence the alarm. Power is still being
powered to the input of the UPS in the test
position.
Transfer to On-Line from Test
·
Always verify that the UPS is in the bypass mode
prior to transfer to On-Line position. Rotate the
bypass switch to the On-Line position.
Continue rotating the maintenance bypass switch
counter-clockwise to the maintenance position. The
UPS should now shut off and input power has been
removed. Open the input, output and battery breaker
prior to servicing the unit.
·
The customer may now bring up their connected
critical loads. Always energize the load on bypass,
either UPS internal bypass or maintenance
bypass.
Transfer to Test from Maintenance Bypass
·
After the load is up and operating, the UPS may now
be transferred on-line. Transfer the UPS to the UPS
mode by placing the bypass/UPS switch on the back
of the unit in the UPS position and pressing the ON
button on the front of the unit.
·
After preventive maintenance or repairs have been
performed, it is important to test the UPS prior to
placing it on-line. Please use the following steps to
test the UPS without transferring on-line.
TROUBLESHOOTING/WARRANTY
Troubleshooting
·
·
Close the Battery breaker on the UPS. Place the
bypass/UPS switch on the back of the unit in the UPS
position.
Troubleshooting should only be performed by a trained
engineer authorized by. If you cannot resolve a problem,
consult Liebert immediately at 1-800-222-5877. Do not
continue to use the maintenance bypass cabinet if it is not
performing according to specifications.
Rotate the bypass switch on the maintenance bypass
clockwise to the Test position. Close the input
breaker on the UPS.
24
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POWER MANAGEMENT
Power Management programs consist of four elements:
Use Power Management to program power to individual
loads to turn OFF or ON at specific times or as a result of
specific events. Only Load Modules with Power
Management circuitry respond to Power Management
programming.
Power Management enables you to selectively turn
programmable Load Modules (receptacles) off and on to
conserve energy, extend battery time, or control network
devices based on:
·
·
·
·
Which Load Module
What event triggers the Load Module
Whether the Load Module turns ON or OFF
The time delay between the event and the Load
Module reaction
CAUTION: A program step becomes active as soon as
it is entered. Therefore, program the scheduled ON
action for each load before programming the OFF
action. Otherwise, turn OFF critical loads.
·
A programmed schedule
·
Events such as utility power failure, battery time left,
utility restored, UPS on bypass, and others
Real time control (manual override), including
rebooting the load
·
To enter a program step (password may be required):
1. Select a Load Module
A. Press the enter key to flash the first load module
selection. Press the right or left arrow key to review
available selections (detailed below).
Other features include load labeling, programmable delay
for each action, warning displays, and linking outputs so if
one load module turns OFF (or ON) another one will also.
A manual override is also available (force off, force on, or
reboot).
Read these instructions entirely before programming UPS.
After reading these instructions, decide on a program
schedule. Make a chart of needed program steps.
Include scheduled events (day and time) as well as
conditions such as utility failure, battery time left, and utility
restored.
B. Press Enter key to store the first load modules
selection and flash the second one. Make load
selections as required for this program step. After
making all load selections, the second line flashes.
2. Select an Event to Trigger the Load Module
When the ”event” (second line) flashes, press the
right or left arrow key to review available selections
(detailed below). If Day Time or Date Time is
selected, those items will also need to be
programmed. After making all load selections, the
ACTION (fourth line) flashes.
Program entries must be made in pairs. Program an
output to turn both OFF and back ON at certain times or
events. This pairing concept provides program closure for
each load. Example: An output programmed to turn OFF
at utility failure must also be programmed to turn ON at
utility restoration.
3. Turn the Load Module ON or OFF
When the fourth line flashes, press the right or left
arrow key to review available selections (Turn OFF
load, Turn ON load, or Warning). After selecting the
action, the DELAY (S) flashes.
4. Select a Time Delay
Getting Started
Select delay of S for seconds or M for minutes. If no
delay is required, leave this selection as ”S”. When
the two delay digits are flashing, use the right or left
arrow to select 00 to 99.
Access Power Management (option 5) from the main
menu on the LCD display. The Power Management menu
offers the following selections:
·
·
·
·
Programming
Review
Override
Load Labels
Press Enter after this final selection to flash the entire
program step block. Review all selections of this step with
your chart. Press Enter to confirm step or escape to make
a change. Make a change the same way as described
If your UPS has password protection, then all selections
require a password with the exception of Review.
Press the enter key to make a selection. Use the right
and left arrow keys to display the available selections
when a programmable item is flashing. Press enter to
store your selection and flash the next item.
above.
The selections are available in the same
sequence.
Press the right arrow to display the next program step.
The step number (1, 2, 3, etc.) is automatically assigned.
The last step always says Nothing Selected in the second
line. This is the initial screen for programming the next
step.
When reviewing the program, use the right arrow to
display the next program step.
To program (or review), a program step box appears:
01)Load #0,0,0,0
Nothing Selected
ACTION DELAY(S)
Turn OFF load (00)
25
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Power Management Programming Elements
Override
The Override selection causes immediate action to a load
module regardless of what was programmed. Linked
outputs are ignored during an override command. These
Override selections are available:
As Scheduled
Schedule Number
Load Numbers
1 - 8 or ALL
Event
Nothing Selected
Day
Date
Batt. Time Left
Utility Failed
Utility Restored
System Powerup
Outlet
Outlet
01 - 30
Time
Time
)LOAD
#
,
, ,
( )
Force Power OFF
Force Power ON
Reboot (OFF-ON) OFF for 30 seconds
DELAY
ACTION
[ ] ON
[ ] OFF
On Bypass
Delete Entry
The screen displays:
Load #X: Use right or left arrow to display 1 to 8
Load Label: See Load Labels section
As Scheduled: Use right or left arrow to select
option
Time
00 - 99
Action
Turn OFF Load
Turn ON Load
Warning
Time Base
S or M
Loads
These Load selections are available: 1, 2, 3, 4, 5, 6, 7, 8,
All. A ”load” as referenced in this section is the Load
NOTE: After an override, it is important to return the load
module to its current state (ON or OFF) via Force Power
ON/OFF, and then return it to As Scheduled.
Module.
Since some load modules contain two
receptacles, both receptacles are considered one ”load”.
Load Modules are numbered from top to bottom in the
Configurable Distribution unit.
Load Labels
Assign Load Labels of up to 16 characters. Some labels
are factory preprogrammed. Since UPS controls do not
provide an alphanumeric keyboard, use right or left arrow
to display a selection, then press enter to select. The
following selections are available:
Events
The following Event selections (schedule or conditions)
are available:
Bridge
Computer
Display
Hub
Modem
Router
Server
Terminal
No Label
Individual letters (A to Z)
Individual numbers (0 to 9)
Selected symbols
Blank space
·
·
Day Time: Individual days, All, M-F, and S-S. Time is
based on 24 hour clock, and then to the minute.
Date Time: Month and Day (avoid invalid dates such
as FEB 30). Time is based on 24 hour clock, and
then to the minute.
Batt Time Left: Based on UPS internal calculation
Note that this is not battery time elapsed.
Utility Failed
·
In applying labels, remember that some Load Modules
supply power to more than one device.
·
·
·
Utility Restored
Operation
Outlet [X] ON: X can be 1 to 8. This event links
selected loads in the first line to the load selected
here. This link is ignored when in override mode.
Outlet [X] OFF: X can be 1 to 8. This event links the
selected loads in the first line to the load selected
here. This link is ignored when in override mode.
On Bypass
Selected program steps become active as soon as they
are entered Maintain a chart of selections. Change the
chart when you change the program.
·
For assistance call Liebert at 1-800-222-5877.
·
·
Sample Programs
Refer to Sample Programs #1 and #2 on the following
pages.
Delete Entry: Deletes an entire program step (ignore
all other flashing selections for this process).
Actions
The following Action selections are available:
·
·
·
Turn OFF load
Turn ON load
Warning
Delays
The following Delay selections are available:
S
Seconds
00 to 99
M
Minutes
00 to 99
If no delay is required, leave this selection as S with a
value of 00. The right arrow increases from 01 in
increments of 1. The left arrow decreases from 99 in
increments of 1.
26
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POWER MANAGEMENT SAMPLE #1
POWER MANAGEMENT SAMPLE #2
Objective: Save energy by turning OFF computers after
hours. Specifically, turn ON all loads except load 03 at
7:00 a.m. and then turn them OFF at 6:00 p.m. every
workday (M-F). Remain off during the weekend.
Objective: Extend battery time by shutting down less
critical loads. Specifically, remove load #1 one minute
after going on battery, and load #2 two minutes after going
on battery. When utility power returns, put loads #1 and
#2 back on line.
Define Parameters
Define Parameters
Start
Closure
Loads: #1,2,4
Action: Turn ON loads
Event: Time of Day
Delay: None
Loads: #1,2,4
Start
Loads: #1,2
Action: Turn OFF loads
Event: Utility Failed
Delay: 1&2 minutes
Closure
Loads: #1,2
Action: Turn ON loads
Event: Utility Restored
Delay: None
Action: Turn OFF loads
Event: Utility Restored
Delay: None
Step #1A:
Step #1A indicates
selection of load
Step #1A:
01)LOAD
#1,2,4,0
modules 1,2, and 4.
Step #1A
01)LOAD
Nothing Selected
ACTION
#1,0,0,0
Nothing Selected
ACTION
Turn OFF load
indicates selection
of load module
#1.
DELAY (S)
00
DELAY (S)
Turn OFF load
00
Step #1B:
Step #1B indicates
selection of the
Day/Time feature.
Step#1B:
01)LOAD
Day
ACTION
#1,2,4,0
Time
DELAY (S)
01)LOAD
Utility Failed
ACTION
#1,0,0,0
Step #1B shed
load #1 one
minute after utility
fails.
DELAY (M)
Turn OFF load
00
Turn OFF load
00
Step #1C:
Step #1C indicates
loads 1,2, and 4
turn On at 7:00 a.m.
Monday through
Friday with no time
delay.
Step#2:
01)LOAD
M-F
ACTION
#1,2,4,0
7:00
DELAY (S)
01)LOAD
Utility Failed
ACTION
#2,0,0,0
Step #2 sheds
load #2 two
minutes after
utility fails
Turn ON load
00
DELAY (S)
Turn OFF load
00
Step #2:
Step #2 indicates
loads 1,2 and 4 turns
OFF at 6:00 p.m.
(18:00) Monday
through Friday with
no time delay.
Step#3:
02)LOAD
M-F
ACTION
#1,2,4,0
18:00
DELAY (S)
Step #3 turns on
#1 and #2 with no
time delay when
utility power
01)LOAD
Utility Restored
ACTION
#1,2,0,0
Turn OFF load
00
DELAY (S)
Turn ON load
00
returns.
27
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SiteNet SNMP (Simple Network Management Protocol)
The SiteNet SNMP internal agent allows for direct network
UPS management in an Ethernet environment. The
internally mounted SNMP agent provides true product
integration. It draws uninterruptible power from the UPS
and eliminates the need for a second UPS for the agent.
Remotely configure the agent via BOOTP and TFTP.
Configuration and bootstrap are stored in non-volatile
memory. The MIB is MIB II compliant. The SNMP option
ships with the MIB in DOS and TAR formats complete with
a configuration cable.
Remote Emergency Power Off (REPO) Cable
This optional 50-foot cable includes the attached matting
connector for connection to the UPS.
The REPO
connector is at the rear of the unit. The factory supplied
switch provides a normally open (N.O.) contact rated for 1
Amp at 24 Volts. Pressing the REPO button opens the
UPS Output Circuit Breaker and disables battery charging.
See the figure below.
PIN 1
Terminal/Modem Connection
All information and functions accessed through the control
panel are also accessible by a terminal, host computer, or
modem through the RS-232 port. You may connect a
terminal or computer to the RS-232 port directly or through
a modem. The UPS dials out to a selected phone number
to report alarm conditions and connects when called from
a terminal.
PIN 3
PIN 4
REPO with Lighted
Pushbutton
NOTES:
·
·
·
·
Run all customer-supplied control wiring in separate
rigid steel conduit from power wiring.
Wire in accordance with national and local electrical
codes.
See drawings in Connections for UPS REPO
connector location.
The terminal shows a picture of the LCD display screen.
The UPS responds to the left arrow, right arrow, enter, and
escape keys on the keyboard just as it would from the
UPS control panel. View UPS meters and alarm history,
change configuration set- tings, and activate remote start,
stop, and transfer (if bypass is available) all from a remote
terminal.
Communications Options
The UPS supports the following methods of
communication:
·
·
·
SiteNet 1 (automatic, unattended shutdown)
SiteNet 2 (Power Surveillance software)
SiteNet SNMP (Simple Network Management
Protocol)
Terminal Operation: Connect an ANSI terminal (or a
computer with an appropriate terminal emulator program,
e.g. ProComm) to the UPS directly or through a modem
connection. See Cables for connection details.
·
Terminal / Modem Connection
Set up the computer terminal as follows:
Baud rate: 2400
Stop bits: 1
Full duplex
Data bits: 8
Parity: none
SiteNet 1, SiteNet 2, terminal mode and modem operation
require the RS-232 Kit. This kit provides a plug-in
communications board that includes relays, serial
communications and a DB25 connector for interfacing to
the SiteNet software kits.
The RS-232 interface can operate in terminal mode which
shows the LCD display on the screen, or ESP mode which
only qualified service personnel use. To use terminal
mode, press the space bar. The LCD display appears on
the screen and the left arrow, right arrow, enter, and
escape keys become operable. If the LCD display does
not appear, the RS-232 may be in ESP mode. Type EXIT
to return the RS-232 to terminal mode.
SiteNet 1 Shutdown Interface Kits
Each option kit includes a 10-foot communication cable
with connectors, necessary software for computer
interface to the UPS, and separate instructions for
installation and operation. A power failure will initiate a
pre-programmed timer. Then the software performs an
automatic, unattended, orderly shutdown. If the UPS
reaches a low battery condition, the software overrides the
timer and performs an orderly shut- down. The software
runs as a background task on the computer while
monitoring the UPS.
The UPS responds to requests such as viewing UPS
meters or alarm history. Some configuration selections
(other than voltage or frequency) can be changed during
UPS operation. Use the configuration screens UPS
ON(1)/OFF(0) and Transfer UPS to remotely turn the UPS
ON or OFF, or make transfers (if bypass is available).
SiteNet 2 Power Surveillance
This option includes software to enable UPS monitoring
and control from a remote computer or workstation.
Contact a Liebert UPS supplier for more details including
availability for your computer or workstation
Modem Operation: Connect the UPS to a remote
computer terminal through a modem link (one modem at
each end). See Cables for connection details. The UPS
automatically tests for a modem every three minutes,
when the communication channel is idle.
28
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Use the following Modem Mode configuration screen to
control modem operations:
The event code(s) alarm description also display. Then
the message ”Press any key to enter terminal mode...”
displays again. Press a key to enter terminal mode, and
show the LCD display as described earlier in Terminal
Operation. If no keys are pressed for 45 seconds, the
UPS hangs up.
Modem Mode: IN
1-(000) 000-0000
Site ID:
Your Location
RS-232 with User-Configurable Relays - VCR232C
This provides user-selected contact closure output on the
RS-232 board, for use with remote monitoring devices.
The board also includes two relays. Program these relays
as NO or NC to activate upon any combination of these
alarms:
The options of the first line of this screen are IN, OUT,
BOTH, or OFF. IN calls are from a remote terminal
operator to the UPS. OUT calls are alarms reported from
the UPS to a selected phone number with a modem
attached. BOTH enables both IN and OUT calls. OFF
disables modem connections, but a directly connected
computer terminal may still be used.
UPS on Battery
Low Battery
UPS on Bypass
Battery Test Fail
UPS Fail Overload
The second line allows entry of the phone number the
UPS calls when alarms occur. Remember to include a 9
or other characters if required. When initiating a call, the
UPS makes up to 3 attempts to connect, spaced 45 to 90
seconds apart, before giving up.
These relay outputs use an RJ45 connector. Connector
and 25’ pigtail supplied. Program the relays via the UPS
LCD display on the front panel.
Enter the Site ID on the fourth line. The UPS includes
Site ID in OUT messages to distinguish multiple UPS’s
programmed to call the same phone number. Use up to
16 characters (letters, numbers, and spaces) for the Site
ID.
Cables
·
An optional factory-assembled 6-foot cable enables
connection to a modem.
A factory-assembled splitter cable enables connection
to a modem (or terminal) and a Computer/LAN
interface.
To assemble a customer supplied cable, refer to the
following instructions and Figure #5:
For a modem cable, connect to pins 2, 3, 7, 8, 20, and
22. Connect Pin 2 on one end to pin 3 on the other
end (this applies to two wires). All other connections
are straight through.
·
For terminal IN calls, the screen displays ”Press <SPACE
BAR> to enter terminal mode...”. Use the keyboard to get
information from the UPS or to perform remote ON, OFF,
or Transfer as described above. If no keys are pressed for
6 minutes, the UPS hangs up.
·
·
For UPS OUT calls, the receiving terminal beeps and
displays the message ”Press any key to enter terminal
mode...”. If no key is pressed within 10 seconds, the
terminal displays present alarm condition(s) information
along with the Site ID. The time of each alarm displays to
the nearest tenth of a second.
For a terminal cable (direct connection, no modem)
connect to pins 2, 3, and 7. All connections are straight
through.
Signal Ground
Not Used
Not Used
Not Used
TXD
Data Carrier Detect (DCD)
Low Battery Common
Low Battery (NC)
Low Battery (NO)
Shutdown Active Low
RXD
Not Used
Power Fail
Active High
8
11
9
7
5
4
1
13 12
10
3
2
6
25 24 23 22 21 20 19 18 17 16 15 14
Altos Tri-Level
On Bypass
Not Used
On UPS (NO)
On Battery (NO)
Not Used
Common for On Battery,
On UPS, and On Bypass
On Battery (NC)
Ring Indicator (R)
Low Battery Active High
Data Terminal Ready (DTD)
Shutdown Active High
29
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External Battery Cabinets
WARNING: Remove UPS battery fuses and open the Battery
Cabinet circuit breaker before removing the battery cable
connectors cover plate. These connectors contain lethal
voltages when the circuit to the battery is complete.
Battery
CB (35A)
Standard External Battery Cabinets
Matching stand-alone cabinet(s) can be provided with
additional string(s) of low-maintenance batteries for additional
back-up time in conjunction with the UPS internal battery. Each
cabinet includes a fuse and a circuit breaker disconnect. The
UPS-to-battery cabinet wiring allows for cabinet location directly
adjacent to the UPS module. See Figures below and on the
following page. See Battery Time Curves in Appendix.
External
Connectors
Battery
Fuse (30A)
Top View
Rear View
VBD061
3.5-6 kVA
Battery
Fuse
(30A)
Battery
CB (70A)
Battery
CB (30A)
External
Connectors
External
Connectors
Battery
Fuse (70A)
Rear
View
Top View
Rear View
VBS061 / VBS062
3.5-6 kVA
VBD121
8 - 12 kVA
Battery
Fuse (100A)
Power Terminal
Block Wire
Range:
Battery
CB (30A)
Battery
CB (100A)
(4) #14 - #4 per
Connection
Battery
Fuse
(30A)
Access
Plate for
Power
Cable
Two Ground
Lugs Wire
Range:
(1) #14 - #1/0
Each
External
Connectors
Entry
Battery
CB (100A)
Top View
(Cover Removed)
Rear View
Rear View
Top View
VBD 181
15-18 kVA
VBS122
30
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Routine Maintenance
The Liebert UPStation S™ UPS should operate for years with minimum maintenance. Keep UPS clean and cool to
enhance system reliability. Occasionally vacuum dust from around ventilation grilles and wipe UPS with a dry cloth. Do
not use liquid or aerosol cleaning fluids.
Periodically check UPS operation by switching off utility power and observing the On Battery message. Do this with only
non-critical loads connected to the unit.
Liebert UPStation S™ Specifications
SYSTEM
Safety Agencies
Audible Noise
CSA 22.2, UL 1778 listed
55 dBA at one meter
Transient/ Surge Protection
Efficiency
Per IEEE 587/ANSI C62.41 Class A&B
Minimum 87% at full load
PHYSICAL CHARACHTERISTICS (See Site Planing Data for dimensions and weight)
Operating Environment
Relative Humidity
Altitude
0 degrees C to 40 degrees C
0 to 95% relative humidity (non-condensing)
5000 feet without derating
AC INPUT
Voltage Range
176 to 264 VAC
Single phase, 3-wire plus ground (L1-L2-N-G)
Single phase, 2-wire plus ground (L1-N-G)
Voltage Configuration and Connection Three phase, 4-wire plus ground (L1-L2-L3-N-G) (8-18 kVA only)
Three phase, 3-wire plus ground (L1-L2-L3-G) (8-18 kVA only)
Frequency Range
Current THD
Power Factor
45 Hz to 65 Hz
5% THD maximum at full load
.98 typical
AC OUTPUT
Voltage Regulation
Voltage Distortion
Typically less than +/- 2%
Max. 3% THD for linear loads, max. 5% THD for full non-linear
loads
Transient Response
Less than +/- 5% for 100% step load; recovery to within 1% in 50
ms.
Frequency
50 Hz or 60 Hz
Frequency Slew Rate
Frequency Sync Rate
Load Crest Factor
Overload
1 Hz/sec (user-selectable 0.3 to 3 Hz/sec
+/- 1 Hz (user selectable +/- 0.1 Hz to 5 Hz
3:1
125% for 10 minutes, 150% 10 seconds
BATTERY
Type
Sealed, low maintenance, lead acid
10 times discharge duration to 95%
Minimum 10 minutes at full load
Recharge Rate
Battery Runtime
Battery Voltage
Nominal: 192 VDC Float: 220 to 230 VDC
31
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APPENDIX
NEC Wire Gauge Chart
Allowable Ampacities of Insulated Conductors Rated 0 – 2000 Volts, 60° to 90°C (140° to 194°F), not more than three
conductors in Raceway or Cable or Earth (Directly Buried), Based on Ambient Temperature of 30°C (86°F)
Size
Temperature Rating of Conductor
Size
AWG kcmll
60 C° (140°F)
Types: TW*, UF*
75°C (167°F)
Types: FEPW*,
RH*, RHW*,
THHW*, THW*,
THWN*, XHHW*,
USE*, ZW*
90°C (194°F)
Types: TA, TBS,
SA, SIS, FEP*,
FEPB*, MI, RHH*,
RHW-2, THHN*,
THHW*, THW-2,
THWN-2, USE-2,
XHH, XHHW*,
60°C (140°F)
Types: TW*, UF*
75°C (167°F)
Types: RH*,
RHW*, THHW*,
THW*, THWN*,
XHHW*, USE*
90°C (194°F)
Types: TA, TBS,
SA, SIS, THHN*,
THHW*, THW-2,
THWN-2, RHH*,
RHW-2, USE-2,
XHH, XHHW*,
AWG kcmll
XHHW-2, ZW-2
XHHW-2, ZW-2
Copper
-
-
Aluminum or Copper-Clad Aluminum
18
16
-
-
14
18
-
-
-
-
-
-
-
-
14
12
10
8
20*
25*
30
20*
25*
35*
50
25*
30*
40*
55
-
-
-
-
12
10
8
20*
25
30
20*
30*
40
25*
35*
45
40
6
55
65
75
40
50
60
6
4
70
85
95
55
65
75
4
3
2
1
85
95
100
115
130
150
175
200
230
255
285
310
335
380
420
460
475
490
520
545
590
625
650
665
110
130
150
170
195
225
260
290
320
350
280
430
475
520
535
555
585
615
665
705
735
750
65
75
85
75
90
85
3
2
1
100
115
135
150
175
205
230
255
280
305
350
385
420
435
450
480
500
545
585
615
630
110
125
145
165
195
215
240
260
280
320
355
385
400
410
435
455
495
520
545
560
100
120
135
155
180
205
230
250
270
310
340
275
385
395
425
445
485
520
545
560
1/0
2/0
3/0
4/0
250
300
350
400
500
600
700
750
800
900
1000
1250
1500
1750
2000
100
115
130
150
170
190
210
225
260
285
310
320
330
355
375
405
435
455
470
1/0
2/0
3/0
4/0
250
300
350
400
500
600
700
750
800
900
1000
1250
1500
1750
2000
CORRECTION FACTORS
Ambient Temp.
°C
Ambient Temp. °C
For ambient temperatures other than 30° (86° F), multiply the allowable ampacities shown above by the appropriate factor shown
below.
21-25
26-30
31-35
36-40
1.08
1.00
.91
1.05
1.00
.94
1.04
1.00
.96
1.08
1.00
.91
1.05
1.00
.94
1.04
1.00
.96
70-77
78-86
87-95
96-104
.82
.88
.91
.82
.88
.91
41-45
46-50
51-55
56-60
61-70
71-80
.71
.58
.41
-
.82
.75
.67
.58
.33
-
.87
.82
.76
.71
.58
.41
.71
.58
.41
-
.82
.75
.67
.58
.33
-
.87
.82
.76
.71
.58
.41
105-113
114-122
123-131
132-140
141-158
159-176
-
-
-
-
*Unless otherwise specifically permitted elsewhere in this Code the overcurrent protection for conductor types marked with
an asterisk shall not exceed 15 amperes for No.14, 20 amperes for No.12, and 30 amperes for No.10 copper; or 15
amperes for No.12 and 25 amperes No. 10 aluminum and copper-clad aluminum after any correction factors for ambient
temperature and number of conductors have been applied.
Reprinted with permission from NFPA 70-1996, the National Electrical Code ®, Copyright 1995, National Fire Protection
Association, Quincy, MA 02269. This reprinted material is not the complete and official position of the National Fire
Protection Association on the referenced subject which is represented only by the standard in its entirety.
32
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3.5 - 4.5 kVA Battery Run Times
UPStation S 3.5 kVA
Battery Run Times #1
UPStation S 3.5 kVA
Battery Run Times #2
Internal Batteries
+(1) VBD061 Cabinet
400
800
Internal Batteries
+(2) VBD061 Cabinets
Internal Batteries
+(1) VBS062 Cabinet
Internal Batteries
+(2) VBS062 Cabinets
350
300
250
200
700
600
500
400
Internal Batteries
+(1) VBS 061 Cabinet
Internal Batteries
+(1) VBS 061 Cabinet
& (1) VBS062 Cabinet
Internal Batteries
Only
150
100
50
300
200
100
0
0
25
50
75
25
50
75
100
100
PERCENT LOAD
PERCENT LOAD
UPStation S 4.5 kVA
Battery Run Times #1
UPStation S 4.5 kVA
Battery Run Times #2
Internal Batteries
+(1) VBD061 Cabinet
400
800
Internal Batteries
+(2) VBD061 Cabinets
Internal Batteries
+(1) VBS062 Cabinet
Internal Batteries
+(2) VBS062 Cabinets
350
300
250
200
150
700
600
500
400
300
Internal Batteries
+(1) VBS 061 Cabinet
Internal Batteries
+(1) VBS 061 Cabinet
& (1) VBS062 Cabinet
Internal Batteries
Only
100
50
0
200
100
0
25
50
75
25
50
75
100
100
PERCENT LOAD
PERCENT LOAD
33
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6 – 8 kVA Battery Run Times
UPStation S 6 kVA
Battery Run Times #1
UPStation S 6 kVA
Battery Run Times #2
Internal Batteries
+(1) VBD061 Cabinet
400
600
525
450
375
300
Internal Batteries
+(2) VBD061 Cabinets
Internal Batteries
+(1) VBS062 Cabinet
Internal Batteries
+(2) VBS062 Cabinets
350
300
250
200
Internal Batteries
+(1) VBS 061 Cabinet
Internal Batteries
+(1) VBS061 Cabinet
& (1) VBS062 Cabinet
Internal Batteries
Only
150
100
50
225
150
75
0
0
25
50
75
25
50
75
100
100
PERCENT LOAD
PERCENT LOAD
UPStation S 8 kVA
Battery Run Times #1
UPStation S 8 kVA
Battery Run Times #2
Internal Batteries
+(1) VBD122 and (1)
VBD121 Cabinet
Internal Batteries
+(1) VBS121 Cabinet
Internal Batteries
+ (4) VBD121 Cabinets
Internal Batteries
+(3) VBD121 Cabinets
400
800
350
300
250
200
150
700
600
500
400
300
Internal Batteries
+(2) VBD 122 Cabinet
Internal Batteries
+(1) VBS122 Cabinet
Internal Batteries
Only
Internal Batteries
+(2) VBS 122 Cabinets
100
50
0
200
100
0
25
50
75
25
50
75
100
100
PERCENT LOAD
PERCENT LOAD
34
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10 – 12 kVA Battery Run Times
UPStation S 10 kVA
Battery Run Times #1
UPStation S 10 kVA
Battery Run Times #2
Internal Batteries
+(1) VBS122 and (1)
VBD121 Cabinet
Internal Batteries
+(1) VBD121 Cabinet
Internal Batteries
+(4) VBD121 Cabinets
400
800
Internal Batteries
+(3) VBD121 Cabinets
350
300
250
200
700
600
500
400
Internal Batteries
+(2) VBD121 Cabinet
Internal Batteries
+(1) VBS122 Cabinet
Internal Batteries
+(2) VBS122 Cabinets
Internal Batteries Only
150
100
50
300
200
100
0
0
25
50
75
25
50
75
100
100
PERCENT LOAD
PERCENT LOAD
UPStation S 12 kVA
Battery Run Times #1
UPStation S 12 kVA
Battery Run Times #2
Internal Batteries
+(1) VBS122 and (1)
VBD121 Cabinet
Internal Batteries
+(1) VBD121 Cabinet
Internal Batteries
+ (4) VBD121 Cabinets
Internal Batteries
+(3) VBD121 Cabinets
240
600
210
180
150
120
90
525
450
375
300
225
Internal Batteries
+(2) VBD122 Cabinet
Internal Batteries
+(1) VBS122 Cabinet
Internal Batteries
+(2) VBS122 Cabinets
Internal Batteries Only
60
30
0
150
75
0
25
50
75
25
50
75
100
100
PERCENT LOAD
PERCENT LOAD
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18 kVA Battery Run Times
UPStation S 15 kVA
UPStation S 15 kVA
Battery Run Times #1
Battery Run Times #2
160
480
Internal Batteries
+(1) VBD181 Cabinet
Internal Batteries
+(4) VBD181 Cabinets
140
120
100
420
360
300
240
180
120
60
Internal Batteries
+(3) VBD181 Cabinets
Internal Batteries
Only
Internal Batteries
+(2) VBD181 Cabinet
80
60
40
20
0
0
25
50
75
25
50
75
100
100
PERCENT LOAD
PERCENT LOAD
UPStation S 18 kVA
UPStation S 18 kVA
Battery Run Times #1
Battery Run Times #2
160
400
Internal Batteries
+(1) VBD181 Cabinet
Internal Batteries
+ (4) VBD181 Cabinets
Internal Batteries
+(3) VBD181 Cabinets
140
120
100
350
300
250
200
150
Internal Batteries
Only
Internal Batteries
+(2) VBD181 Cabinets
80
60
40
20
0
100
50
0
25
50
75
25
50
75
100
100
PERCENT LOAD
PERCENT LOAD
36
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Alarm Messages, Meanings, and Corrective Actions
MEANING
MESSAGE
CORRECTIVE ACTION
Start-Up Sequence Aborted
The UPS detects a condition that prevents a
complete start-up.
Review and record all alarm messages. Perform
prescribed action for specified alarm. If Start up
still aborts, contact Liebert at 1-800-222-5877.
Disconnect power from the UPS and call a
qualified electrician to correct and verify the
wiring.
Site Wiring Error
Incorrect phasing sequence of power conductors
wired to UPS.
Incorrect Input Frequency
Input power frequency outside acceptable range.
Select the correct frequency in the configuration
screen. Verify the utility frequency.
Input Power Out of Tolerance Input power frequency outside acceptable range.
UPS battery supplying power to load equipment.
No corrective action required.
Battery Failed Test
Automatic Battery Test detects a weak battery.
Repeat the battery test via the LCD “Test Options”
menu selection. If battery fails again, contact
Liebert at 1-800-222-5877.
Can’t execute battery test:
not recharged
Battery Date Expired
Battery discharged too recently to perform test.
Batteries are over 5 years old.
No corrective action required. UPS will perform
next scheduled battery test.
Contact Liebert at 1-800-222-5877 to replace
batteries.
UPS On Battery Time
Remaining:
Battery discharging. UPS calculates and displays
remaining battery time.
Perform and orderly shutdown of load equipment
before time expires or shut off unnecessary load
equipment to extend battery time.
XX Minutes
Low Battery Shutdown
UPS discharged battery to minimum allowable
voltage and automatically shut down. No power
supplied to load.
Upon return of power, start up UPS. The UPS
starts up by itself if Auto-Restart is enabled.
Charger Battery Voltage High Battery voltage exceeds acceptable limits causing
automatic charger shutdown. Charger
Contact Liebert at 1-800-222-5877 if this condition
persists for more than 2 minutes.
automatically restarts when battery voltage return
to acceptable levels.
WARNING: Load On Bypass
Load currently powered through bypass line due
to automatic or manual transfer to bypass. Load
unprotected from power disturbances or outages.
If automatic transfer to bypass, load returns to
UPS power control for most temporary conditions.
Review and record any other alarm messages. If
manual transfer to bypass, return to UPS power
control when possible.
Bypass power out of
tolerance
Bypass out of Sync
Bypass Overload
Excessive Retransfer
Attempted
Bypass power voltage or frequency outside
acceptable limits. Automatic bypass transfer
prohibited.
At least one phase of bypass current overloaded.
UPS completed at least 15 attempts to retransfer
load from utility back to UPS in 20 minutes or
less. UPS unable to sustain load due to overload
or inverter failure. Load remains on bypass.
Power Factor Corrector detects temporary
condition at input of UPS.
Manual transfer to bypass not recommended.
Wait for bypass power to return.
Reduce the load.
Check other messages for inverter failure.
Determine cause of overload and reduce load.
System Shutdown
Press ON to Restart System
Press ON button to restart system. If start-up
aborts, review and record alarm messages and
contact Liebert at 1-800-222-5877.
Output Undervoltage
Output Overvoltage
UPS output voltage or current outside acceptable
limits. Load automatically transferred to bypass.
UPS attempts automatic retransfer when voltage
or current is within acceptable limits.
If UPS is unable to correct either one of these
conditions, contact Liebert at 1-800-222-5877.
Overload Phase A
Overload Phase B
Output Overload
Overload. UPS automatically transfers load to
bypass if overload exceeds UPS capacity.
Determine cause of overload and reduce load.
Fault: SYSTEM SHUTDOWN UPS detects and fault and shuts down resulting in
loss of power to load.
Review and record alarm messages and contact
Liebert at 1-800-327-4384
Logic Error
Automatic diagnostic testing detects a hardware
or software failure in UPS internal control system
External contact shuts down UPS through REPO.
Contact Liebert at 1-800-222-5877
External Shutdown
Start-up UPS after correcting cause of external
shut-down.
System Shutdown Impending
Due to Overtemp
UPS cabinet temperature above acceptable limits.
UPS automatically shuts down in 2 minutes if
over-temperature continues.
Check for restricted air flow or fan failure. If none,
contact Liebert at 1-800-222-5877
Dial-Out Attempt Failed
UPS unsuccessfully attempted to dial out due to
an event.
Usually, the dial-out phone line is simply busy.
Check for secure and correct modem connection.
37
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UPStation®
S
Power Protection
U.S.A.
1-800-222-5877
Worldwide Support
614-841-6755
U.K.
France
Germany
Italy
Netherlands
+44 (0) 1793 553355
+33 (0) 1 43 60 01 77
+49 89 99 19 220
+39 2 98250 1
+31 (0) 475 503333
+614-841-5471
E-mail
Web site
Worldwide FAX tech support
The Company Behind The Products
With more than 500,000 installations around
the globe, Liebert is the world leader in
While every precaution has been taken to
ensure accuracy and completeness of this
literature, Liebert Corporation assumes no
responsibility, and disclaims all liability for
damages resulting from use of this information
or for any errors or omissions.
computer protection systems.
Since its
founding in 1965, Liebert has developed a
complete range of support and protection
systems for sensitive electronics:
§
§
Environmental systems: close-control air
conditioning from 1.5 to 60 tons.
Power conditioning and UPS with power
ranges from 250 VA to more than 1000
kVA.
Integrated systems that provide both
environmental and power protection in a
single, flexible package.
© 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.
§
§
§
Monitoring and control — on-site or remote
— from systems of any size or location
Service and support, through more than
100 service centers around the world, and
a 24-hour Customer Response Center.
SL-24870 (2/98) Rev. 2
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