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Uninterruptible Power Supply
VISION MARATHON +
User Manual
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Table of Contents
Chapter 1. Important Safety Instruction ............................................... 3
1.1. An Important Notice ........................................................... 3
1.2. Storage Instruction ............................................................ 4
Chapter 2. Product Introduction ........................................................... 5
2.1. The General Characteristics ................................................. 5
2.2. The Advanced Technical Characteristics ................................ 6
2.3. The Symbols on the LCD Display Panel ................................. 7
2.4. The front panel explanation ................................................. 9
2.5. Communication Port Explanation ........................................ 12
2.5.1. True RS232 type ..................................................................... 12
2.5.2. Dry Contact Type .................................................................... 13
Chapter 3. Installation and Operation ................................................. 14
3.1. Unpacking ....................................................................... 14
3.2. Selecting Installation Position ............................................ 14
3.3. Operation Test and Installation Instruction .......................... 16
3.3.1. Start Up in Normal Mode .......................................................... 16
3.3.2. Start-up in Battery Mode (Cold Start) ........................................ 18
3.3.3. UPS Self-test .......................................................................... 18
3.3.4. Shut Off the UPS ..................................................................... 19
3.3.5. Maintenance Bypass Mode ........................................................ 19
3.4. Output Terminal Block Explanation ..................................... 20
3.4.1. SINGLE PHASE........................................................................ 20
3.4.2. 3-PHASE ................................................................................ 21
Chapter 4. Troubleshooting Guide ...................................................... 22
4.1. Trouble Shooting .............................................................. 22
Chapter 5. Bundled Software Installation Guide ................................... 23
5.1. Hardware Installation ....................................................... 23
5.2. Software Installation ........................................................ 23
5.2.1. UPSilon 2000 Installation ......................................................... 23
5.2.2. Important Note: ...................................................................... 24
Chapter 6. Appendix ......................................................................... 25
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Chapter 1. Important Safety Instruction
1.1. An Important Notice
To ensure safety in all applications where a UPS is hard wired to the Electrical
Supply, ensure that the system is installed by a Qualified Electrical Contractor.
The UPS has its own internal energy source (battery). Should the battery be
switched on when no AC power is available, there could be voltage at the
output terminals.
Make sure that the AC Utility outlet is correctly grounded.
Do not open the case, as there are no serviceable parts inside. Your Warranty
will be void.
Do not try to repair the unit yourself; contact your local supplier or your
warranty will be void.
Please make sure that the input voltage of the UPS matches the supply
voltage.
Use a certified input power cable with the correct plugs and sockets for the
appropriate voltage system.
To eliminate any overheating of the UPS, keep all ventilation openings free
from obstruction, and do not store "things" on top of the UPS. Keep the UPS
20 cm away from the wall.
Make sure the UPS is installed within the proper environment as specified. (0-
40℃ and 30-90% non-condensing humidity)
Do not install the UPS in direct sunlight. Your warranty may be void if the
batteries fail.
Install the UPS indoors as it is not designed for installation outdoors.
Dusty, corrosive and salty environments can do damage to any UPS.
Install the UPS away from objects that give off excessive heat and areas that
are excessively wet.
If liquids are split onto the UPS or foreign objects dropped into the unit, the
warranty will be null and void.
The battery will discharge naturally if the system is unused for any length of
time.
It should be recharged every 3-6 months if unused. If this is not done, then the
warranty will be null and void. When installed and being used, the batteries
will be automatically recharged and kept in top condition.
This UPS supports electronic equipment in offices, telecommunications,
process control, medical and security applications. Non-authorized technician
is not allowed to install the UPS in the following areas.
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a. Medical equipment directly related to human life
b. Elevator, Metro (Subway) system or any other equipment related to
Human safety.
c. Public system or critical computer systems.
Do not install the UPS in an environment with sparks, smoke or gas.
Make sure the UPS is completely turned off when moving the UPS from one
place to another. It might cause electrical shock if the output is not cut
completely.
The Maintenance Bypass Switch is equipped with the UPS. Please follow the
procedures strictly to switch on/off the Maintenance Bypass Switch.
The UPS offers CVCF (Constant Voltage Constant Frequency) setting
function.For correct setting and wiring, please contact with your local agent.
Do not do it by yourself; otherwise, your warranty will be void.
This UPS has been designed and constructed to protect your assets from the
wide range of power aberrations experienced on Utility power lines today. It is
your insurance for reliable, clean and stable voltage supply. It is worth taking
care to install the system correctly and to have it maintained correctly by your
local dealer.
1.2. Storage Instruction
For extended storage in a controlled environment, store at -15 to +30 °C ,+5 to
+86 °F, the batteries should be charged for 12 hours every 6 months by plugging
the UPS power cord into the wall receptacle. Repeat this step for every 3 months if
the storage environment ambient temperature is at +30 to +45 °C, +86 to +113 °F.
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Chapter 2. Product Introduction
2.1. The General Characteristics
True online architecture continuously supplies in your critical device with
a stable, regulated, transient-free pure sine wave AC Power.
20KHz PWM sine-wave topology yields an excellent overall performance.
The high crest factor of the inverter handles all high-inrush current loads
without a need to upgrade the power rating.
To protect the unit from overloading, it automatically switches to bypass mode
in case loading exceeds 150% of rating. It will automatically switch back to
inverter mode once overload condition ceases.
Should the output becomes short-circuited, the UPS holds the system and
cuts the output automatically till the short circuit situation is removed.
Should the unit become overheated, the internal thermistor will detect the heat
and switch to bypass mode and vice versa.
Maintenance-free sealed-type battery minimizes after-sales service.
Maintenance bypass switch — it provides an easy and safe troubleshooting or
maintenance function when the Utility is normal.
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2.2. The Advanced Technical Characteristics
Powerful CPU integrates all power stages, control, and communication functions
necessary for maximized UPS protection and functionality, including power
management status monitoring, configuration setting, operation scheduling, remote
control, and self-diagnosis.
Slick multi-protocol CPU communication design allows full function remote control
from any computer environment via standard RS232 interface using any of MegaTec
Protocol, and basic dry-contact signal pattern (optional relay contact board required).
Fully isolated Online architecture completely segregates input, control, and output
circuits, providing the ultimate level of power protection for connected equipment.
Industry leading inverter protection technology incorporated 2-stage output current
sensor, smart overload output current control, improved crest factor, and feedback
failure proof circuit, elevating the availability of power service.
Absolutely zero DC component, resulted from superb inverter-output isolation,
guarantees an exclusive protection against DC damage for inductive load, such as
motor based devices, entirely eliminating application limitation.
State-of-the-Art IGBT technology and industrial grade quality ensures highest
efficiency and reliability under worst operation condition.
Advanced Input PFC control guarantees the PF performance and maximum energy
efficiency.
Independent over-voltage trip-over circuit retains full over-voltage protection even
during UPS failures and bypass mode.
Automatic Frequency Sensor reduces headache in frequency shift.
Revolutionary battery management circuit analyzes battery discharging duration,
discharging current, and battery temperature in order to determine ultimate setting of
charging voltage, charging mode, and discharge cut-off level, thereby maximizing the
efficiency and life of batteries.
DC-start function makes sure of the start-up of UPS during power outages.
Superior charger protection design fully protects charging mechanism from terminal or
battery short circuit, without ever interfering with the UPS operation.
Full size LCD panel displays complete system, load/battery status, and problem
diagnosis report, completely eliminating user gap.
SNMP adapter slot represents the advanced upgrade solution to achieve direct power
management via internet worldwide
EPO and Maintenance Bypass Switch ensure a safe operating environment.
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2.3. The Symbols on the LCD Display Panel
Item
Symbol
Description
1
LINE
Utility Normal
2
Battery Low
3
Battery Abnormal
4
UPS Overloading
5
UPS Working in Abnormal Mode
6
Wrong Phase in input cable
7
Grounding Fault
8
OFF
UPS Shutoff
9
UPS Flow Chart
10
4 Digits Measurement Display
11 Indicate the item desired to be tested
12
UPS Inverter Switch
13
Page Up
14
Page Down
15
Alarm Silence
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Self-test
17
Er02
Output Short Circuit
18
Er04
Inverter Overheat
19
Er05
Bad or Dead Battery
20
Er06
Charger abnormal
21
Er12
Inverter Over-current
22
Er13
Wrong Procedure to Enter Maintenance Mode
23
Er**
Other Error code
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2.4. The front panel explanation
SINGLE PHASE
3-PHASE
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1. Cold Start Switch
This is to awake the CPU of the UPS without the
presence of utility power.
2. Utility LED
Green LED lights up to indicate Utility is normal.
3. Inverter LED
Amber LED lights up to indicate the UPS inverter is
on.
4. Fault LED
Red LED lights up to indicate the UPS is in an
abnormal condition.
5. Inverter Switch
By pressing the button for 3 ~5 seconds to start up
the Inverter. Press 3~5 seconds again to turn off the
UPS.
6. Page Up
To scroll up the selectable items on LCD display
7. Page Down
To scroll down the selectable items on LCD display
8. Alarm Silence
By pressing the button, the Alarm will be
automatically in silence.
9. Self Test
By pressing the button, the UPS will enter into Selftest mode.
10. LCD Display
This is to indicate the measurements of the UPS,
including Input Voltage, Output Voltage, Output
Frequency, Load Percentage, Inner Ambient
Temperature, Battery Voltage, Fault Conditions.
11. COM Port
This is an interface to send signals to and receive
signals from the computer. Compatible UPS
software may be required. Please refer to Chapter
1.5 for its pin assignments.
12. UPS O/P Control
Terminal
It provides a signal for Emergency Power Off
purpose.
13. SNMP Port
It is an optional feature used for SNMP card and
other communication card.
14. Battery Fuse
It is a DC 100A/660Vac or 63A/660Vac x 2pcs fuses
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for battery protection.
15. Maintenance
Bypass Switch
It is Make Before Breaker type. Only an Qualified
technician is permitted to use it.
16. Input Breaker
It is a 100A/300Vac No Fuse Breaker.
17. Terminal Block
(SINGLE PHASE)
This terminal to be connected with input, output and
additional battery banks for longer backup time purpose.
Only a qualified technician is permitted to proceed the
installation.
18. Terminal Block (3PHASE)
This terminal to be connected with input and output. Only
a qualified technician is permitted to proceed the
installation.
19. Terminal Block (3PHASE)
This terminal to be connected with additional battery
banks for longer backup time purpose. Only a qualified
technician is permitted to proceed the installation.
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2.5. Communication Port Explanation
Communication port on the UPS provides true RS232 type to communicate
with UPS software to remote monitoring the power and UPS status. The UPS
software also can save files and shut down the computer automatically during
unattended power failure.
The bundled software of the UPS is compatible with many operating system
such as Windows 3.1, 95, 98, & 2000, ME, NT, XP, Novell NetWare, Linux and
Free BSD. For other applications like Unix system or IBM AS/400, please contact
your local distributor for a proper solution.
2.5.1. True RS232 type
2.5.1.1. The RS232 interface settings
The RS232 interface shall be set as follows:
Baud Rate
: 2400 bps
Data Length
: 8 bits
Stop Bit
: 1 bit
Parity
: None
2.5.1.2. The Pin Assignments of true RS232 type
The Pin Assignments of true RS232 type are illustrated as follows:
Pin 6: RS232 Rx
Pin 9: RS232 Tx
Pin 7: Ground
1
2
3
4
5
6
7
8
9
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2.5.2. Dry Contact Type
An optional true Relay Contact board can be inserted into the SNMP slot on
the front of the UPS to provide dry contact signals to remote alarm system and
many other industrial devices.
2.5.2.1. The pin assignments of the dry contact type
1 2 3 4 5 6 7 8 9
10
Pin 1: UPS on Bypass mode.
Pin 2: Utility abnormal.
Pin 3: Utility normal.
Pin 4: Inverter On
Pin 5: Battery Low
Pin 6: Battery Dead(or Bad)
Pin 7: UPS Alarm
Pin 8: Common
Pin 9: Shutdown UPS positive(+ ) signal
Pin 10: Shutdown UPS negative(-) signal
Max. power rating: 250Vac/7Amp
P.S. Expect Pin9 & Pin 10, all the other pins will be Shorten with ground
signal.
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Chapter 3. Installation and Operation
The packing condition and the external outlook of the unit should be inspected
carefully before installation. Retain the packing material for future use.
3.1. Unpacking
1. Take the UPS out of the PE foam.
2. Unwrap the UPS.
a. The UPS itself is over 160kgs, so be careful when unpacking and lifting
the unit. Improper use of force might harm yourself.
b. The plastic bag holding the UPS is very slippery so be careful in
unpacking and holding the unit. The unit might drop accidentally and harm
yourself.
3. Standard Package includes:
-1 set of User's Manual
-1 set of UPS communication software with RS232 cable
3.2. Selecting Installation Position
It is necessary to select a proper environment to install the unit, in order to
minimize the possibility of damage to the UPS and extend the life of the UPS.
Please follow the advice below:
1. Keep at least 20cm (8 inches) clearance
from the rear panel of the UPS to the wall.
2. Do not block the air-flow to the ventilation
openings of the unit.
3. Please check the installation site to avoid
overheat and excessive moisture.
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4. Do not place the UPS in an environment
near dust, corruptive or salty material or
flammable objects.
5. Do not expose the UPS to outdoors.
Relative humidly
(non condensation)
30% ~ 90%
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3.3. Operation Test and Installation Instruction
3.3.1. Start Up in Normal Mode
1. Open the front panel shown as picture on the
right. Before start the installation, please
make sure the grounding is connected
properly.
2. Make sure the Power Breaker of the
distribution panel and the Input Breaker of the
UPS are in “OFF” Positions.
3. Make sure the voltage of Utility matches with the input voltage
window of the UPS.
4. Connect the Utility to the input end of the terminal block of the UPS.
5. Switch on the Power Breaker of the distribution panel and the Input Breaker of
the UPS, and then the UPS starts up. Green LED lights up to show the Utility
is normal and the LCD display will illustrated from drawing A to drawing B.
A.
B.
6. Then, the UPS is on Bypass Mode now and it will proceed self-test and Startup process automatically, which may take about 20 seconds. After buzzer
sounds twice, it means the UPS pre-startup is successful and the charger
starts to charge the batteries.
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7. Press the Inverter Switch of the UPS for approx. 3~5 seconds, then the Amber
LED Lights up and the LCD display changes from drawing B to drawing C.
C
8. Press Scroll down( ) Key, the LCD display shows as drawing D, it means
the inverter works normally.
D
9. Switch off the Input Breaker of the UPS and check whether the UPS works
normally under Utility fails. The LCD display shall show as Drawing E.
E
10. Switch on the Input Breaker of the UPS, the UPS will switch back to Utility
mode. The LCD display shall show as drawing C.
11. Leave the UPS in charging mode for at least 8-10 hours in order to charge the
batteries to 90% capacity.
12. Your installation is completed.
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3.3.2. Start-up in Battery Mode (Cold Start)
1. Unpack the front panel of the UPS. If there are no batteries inside the UPS,
you are required to connect at least 16 pcs of the batteries with the UPS
first. You are recommended to use at least 16pcs 12Vdc/9AH (or
12Vdc/12AH) for 8Kva and 16pcs 12Vdc/12AH for 10Kva. Please be aware
that the DC system of 8Kva and 10Kva is 192Vdc. Make sure the battery
fuses are NOT installed before the batteries installed properly.
2. Push the Cold Start Switch to awake CPU of the UPS. The LCD display will
show from drawing A to drawing B, and keep awake for approx. 60 seconds.
3. Press the Inverter Switch of the UPS for about 3~5 seconds till the LCD
display shows from drawing B to drawing E. then, the UPS will be in Battery
Mode. Make sure you will press the Inverter Switch in 60 seconds after
pushing the Cold Start Switch. Otherwise, you have to go through step 1 to
3 once again.
3.3.3. UPS Self-test
1. Switch on the UPS and make sure the UPS is in Normal mode.
2. Press Test( ) key for 3~5 seconds, the UPS will switch to Battery
mode until battery voltage becomes low and then switch back to Normal
mode. The result of self-test will be indicated on the LCD display, either OK
or Fail. Depend on the test result the LCD display changes from drawing F
to either drawing G or drawing H.
F
G
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H
3. To cancel the Self-test, press key for 3~5 seconds, the UPS will
switch back to Normal mode and the LCD display will shows as drawing C.
3.3.4. Shut Off the UPS
1. Press the Inverter switch of the UPS for about 3~5 seconds, the UPS will
switch the output from inverter to bypass, and the LCD display shows as
drawing B.
2. Switch off the Input Breaker of the UPS.
3.3.5. Maintenance Bypass Mode
This is for Maintenance purpose. A Non-authorized Technician is not allowed
to operate the following procedures. If there is any damage under unauthorized
condition, your warranty will be void immediately.
1. When the UPS is in Normal mode, press the Inverter Switch of the UPS for
3~5 seconds, the LCD display shows as drawing B, now the UPS is in
Bypass mode.
2. Remove the protecting bracket of the MTBS switch. Turn the MTBS switch
from INV to MTBS.
3. Switch off the Input Breaker of UPS.
4. Now the Utility is in Maintenance Bypass loop. The technician may maintain
or remove the UPS safely.
To switch back from Maintenance Bypass to UPS
1. Repeat the step 5 of Chapter 3.3.1 to set the UPS to Bypass mode. Turn
the Maintenance Bypass switch to “INV” Position, and then fasten the
breaker cover back. Repeat the Step 6 to 8 of Chapter 3.3.1 to switch back
the UPS to Normal mode.
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3.4. Output Terminal Block Explanation
3.4.1. SINGLE PHASE
Pin 1 & Pin 2: the terminals of External Battery Banks
Pin 3 & Pin 4 & Pin 5: The terminals of UPS Output.
Pin 6 & Pin 7 & Pin 8: The terminals of UPS Input.
Max. input current: 8KVA: 50 Amp
10KVA: 63 Amp
Please choose your external input breaker properly according to the Max.
input current of the UPS.
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3.4.2. 3-PHASE
Pin 1 & Pin 2: the terminals of External Battery Banks
Pin 3 & Pin 4 & Pin 5: The terminals of UPS Output.
Pin 6 & Pin 7 & Pin 8 & Pin 9 & Pin 10: The terminals of UPS Input.
Max. input current: 8KVA: 50 Amp
10KVA: 63 Amp
Please choose your external input breaker properly according to the
Max. input current of the UPS.
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Chapter 4. Troubleshooting Guide
4.1. Trouble Shooting
When the UPS malfunctions during operation, you may check the followings:
a. Are the wirings of input and output correct?
b. If the input voltage of the Utility is within the input window of the UPS?
In case problems or symptoms still exist, please proceed the following for
proper adjustment. Should the problem persists, please contact your local
distributor for help.
Situation
Check Items
Solution
UPS Red Fault LED
lights up
Check the error code
shown on the LCD
display
1.Er04
2.Er02 & Er12
3.Er05
4.Er13
5.other error code
1. Remove the objects block the
ventilation holes.
2. Check if the output load is
abnormal.
3. Check to see whether the
battery voltage is normal or the
Battery breaker is opened.
4. Turn off the UPS to restart it
once again.
5. Consult your local agent for
help.
LCD Display Overload
Output overloading
Please reduce some uncritical
load
UPS fails to offer
battery backup or its
back up time is shorter
than it’s expected.
Remove the output load
connected to the UPS.
Switch off the Input
Breaker of the UPS to
simulate Utility fails.
If UPS works normally, it means
the batteries shall be charged.
If the backup time is still too short
after 12 hours of charge, please
contact your local agent for
battery replacement.
If the UPS still fails to switch to
battery mode, consult your local
agent for help.
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Chapter 5. Bundled Software Installation Guide
5.1. Hardware Installation
1. Connect the male connector of UPSilon2000 cable to the UPS
communication port.
2. Connect the female connector of UPSilion 2000 cable to a dedicated
RS232 port. If there is only a DB25 connector of the RS232 port available,
you may use a DB9-DB25 adapter to convert it.
5.2. Software Installation
5.2.1. UPSilon2000 Installation
A. UPSilon2000 for Windows 95, 98, NT, 2000, XP
1. From the Start Button, choose "Run".
2. Type D:\Windows\Setup.exe
3. Choose OK.
B. UPSilon2000 for Novell Netware V3.1x
1. Login the File Server (with access rights in SYS: SYSTEM)
2. Execute D:\Netware\V3.1x\Install.exe
3. Re-boot System.
C. UPSilon2000 for Novell Netware V4.x
1. Login the File Server (with access rights in SYS: SYSTEM)
2. Execute D:\Netware\V4.x\Install.exe
3. Re-boot System
D. UPSilon2000 for Novell Netware V5.x
1. Login the File Server (with access rights in SYS: SYSTEM)
2. Execute D:\Netware\V5.x\Install.exe
3. Re-boot System
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E. UPSilon2000 for FreeBSD and Linux
1. Log in as a super-user.
2. Use the 'ftp' utility in MS-DOS to copy files into the system directory “/tmp”.
3. Follow the instructions below to make the filename conversion after the 'ftp'
File transfer:
#cd/tmp
#mv linux.z linux.Z, or
#mv LINUX.Z linux.Z
#chmod 755 install
4. Execute the installation program:
#./install
5. Select a target system from the menu, and configure the UPSilon for
Unix (Make sure no other process using the same serial port), the
installation Program will launch the UPSilon for Unix daemon process
automatically.
5.2.2. Important Note:
A. The cable enclosed with the UPSilon 2000 software contents special design.
Other sell-on-shelf cable might not work with the software properly.
B. For more detailed setup and operation of the software, please refer to the
user manual in the CD-R.
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Chapter 6. Appendix
Specifications
MODEL
8kVA
10kVA
SINGLE PHASE
3-PHASE
INPUT
Voltage (Vac)
160Vac~280Vac
277Vac~485Vac
Frequency (Hz)
50 / 60 ±10%
Phase
Single
3-PHASE
Input Power Factor
> 0.95
OUTPUT
Voltage (Vac)
208/220/230/240
Capacity
8Kva/6.4Kw
10Kva/8Kw
Wave Form
Sine Wave
Voltage Regulation
±2%
Frequency Stability
±0.5Hz (Free Running)
Crest Factor
3 : 1
Transfer Time
(Line Fault)
0 ms
Efficiency (AC to AC)
> 85%
DC Start
Yes
BATTERY
Type
Sealed Maintenance Free Lead Acid
Quantity (pcs)
16
Voltage (Vdc)
192
Recharge Time
8 Hours to 90%
Supplementary
Charger
(Optional)
2000W Charger for extended back-up application
DISPLAY
LED
Utility, Inverter, and Fault Conditions
LCD (Optional)
Input Voltage, Output Voltage, Output Frequency, Load Percentage, Inner
Ambient Temperature, Battery Voltage and status, Input Phase Error or
Ground Fault, Fault Conditions
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MODEL
8K
10K
SINGLE PHASE
3-PHASE
PROTECTION
Overload
AC Mode:
1) <120% delay 15 minutes before switching to bypass.
2) 120%~150% delay 30 seconds before switching to bypass.
3) >150% 10 ms. before switch to bypass
Backup Mode:
1) <120% delay 30 seconds before shut down.
2) 120%~150% delay 10 seconds before shut down.
3) >150% delay 10 ms. before shut down.
Short Circuit
Inv. Mode: Halt whole system and no output
Bypass Mode: Break Input fuse or Trip AC Breaker
Overheat
AC Normal: Switch to bypass
AC Abnormal: Alarm buzzer beeps continuously, Fault LED lights up then
Completely shutdown the UPS
High Voltage Trip-Off
Switch to Battery Mode
Battery Low
Alarm continuously till battery cutoff
Noise Suppression
Complies with EN50091-2
Spike Suppression
Complies with EN61000-4-5
ALARM
Audible and Visual
Line Failure, Battery Low, Transfer to Bypass, System Fault Conditions
PHYSICAL
Dimensions
(WxHxD, mm)
400x842x730
400x1112x730
Net Weight (Kgs)
160 kgs
183kgs
253 kgs
Outlets (IEC/Local)
Terminal Block
ENVIRONMENT
Temperature
0℃~40℃
Humidity
30~90% RH Maximum, Non-Condensing
Acoustic
<60 dB (at 1 meter)
COMPUTER INTERFACE
Interface Type
Standard RS232 Interface (Megatec protocol)
SNMP Adaptability
Yes, Plug & Play Slot for Standard SNMP Card Available
Relay Contact
Interface
Yes, Plug & Play Slot
Operating Systems
Compatibility
Novell Netware, Windows, OS/2, NetLite, MS-DOS, HP-UX, AIX, SUN
OS, UNIX, XENIX, Linux, etc.
SAFETY CONFORMANCE
Safety Standard
EN50091-1,
EMC Standard
EN50091-2, EN61000-3-3, EN61000-3-2
Marks
CE
Above specifications are subject to change without prior notice. Trademarks of MegaTec, RUPS, IBM,
MS-DOS, Novell Netware, Windows, OS/2, NetLite, HP-UX, AIX, SUN, UNIX, XENIX, and Linux are
registered trademarks of their respective companies.
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