KStar 6kVA User manual

Uninterruptible Power Systems
single phase 6/10KVA
Operation Manual

- 1 -
- 1 -
All rights reserved.
The information in this document is subject to change without notice.
Publish statement
Thank you for purchasing this series UPS.
This series UPS is an intelligent , single phase in single phase out, high frequency online
UPS designed by our R&D team who has sophisticated experience in UPS for years.
With excellent electrical performance, perfect intelligent monitoring and network functions,
smart appearance & latest EMC and safety standards complied, The UPS meets the
world’s advanced level. Read this manual carefully before installation.
This manual provides technical support to the operator of the equipment.
Safety Instruction
1.Prohibition
1.1 There is high risk of electric shock from the UPS inside, so please do not open or
remove the casing or front panel unless it is operated by authorized technicians;
otherwise, your warranty becomes void as well.
1.2 Please contact and discuss with distributors before connecting the UPS to following
equipments
Medical equipments which have direct relationship with patients’ life
Equipments like elevators which may do harm to human beings.
Similar equipments as mentioned above
1.3 Don’t dispose of the battery with fire so as to avoid explosion
2.Safety notice
1) The output of the standard UPS with internal batteries may be energized even if the
UPS input is not connected to the utility.
2) Do disconnect the UPS input and make sure the UPS is complete off before moving
the UPS or re-configuring the connection; otherwise, there will be potential electric
shock.

- 2 -
- 2 -
3) For the sake of human beings’ safety, please well earth the UPS before starting it.
4) Working environment and storage way will affect the life time and reliability of the
UPS. Avoid letting the UPS work under following environment for a long time
Area where the humidity and temperature is beyond the specified
range(temperature 0 to 40 celsius degree, relative humidity 5%-95%).
Direct sunlight and location nearby heat
Area which can be crashed easily
Area with corrosive gas, flammable gas, excessive dust…etc.
5) Keep the ventilations in good conditions otherwise the temperature of components
inside UPS will be high and the component and UPS life will be affected.
6) It is forbidden to pour liquid or put any objects into the UPS.
7) Don’t use liquid extinguisher if there is a fire, a dry powder extinguisher is
recommended.
8) Battery life cycle will be shorter as environment temperature rise. Replacing battery
periodically can help to keep the UPS in normal status and assure backup time
required. Battery replacement should be done by authorized technician.
9) Keep the UPS in a dry area or environment if it will not be free of operation for a
long time. Storage temperature of the UPS with internal battery is -20℃~+55℃, and
extended backup model without internal battery is -40℃~+70℃.
10) Taking out the UPS or batteries from storage, it is recommended to connect them
with the utility for at least 12 hours per 3 months to avoid battery from over-draining.
11) Don’t open the battery, electrolyte inside will do harm to eyes and skin. Please use
plenty of clean water to wash if touching then go to see a doctor.

- 3 -
- 3 -
Contents
1.Product Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5
1.1 Application- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5
1.2 Product range - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5
1.3 System principle diagram - - - - - - - - - - - - - - - - - - - - - - - - - 5
1.4 Features- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -6
1.5 Product overview- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6
1.5.1 Product view- - - - - - - - - - - - - - - - - - - - - - - - - 6
1.5.2 LCD Operation instruction- - - - - - - - - - - - - - - - - - - - - - - 7
1.5.3 Display instruction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9
1.5.4 Rear panel instruction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -14
2.Installation- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 15
2.1 Unpack checking- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 15
2.2 Installation procedure - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 15
2.2.1 Installation note- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -15
2.2.2 Installation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 16
2.3 Connection of parallel system - - - - - - - - - - - - - - - - - - - - - - - - - - - - 18
3.Operation- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -19
3.1 Working Modes- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -19
3.1.1 AC mode - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 19
3.1.2 Bypass mode- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 19
3.1.3 Battery mode- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 19
3.1.4 ECO mode - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 20
3.2 Operation- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 20
3.2.1 Power on - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 20
3.2.2 System parameter setting- - - - - - - - - - - - - - - - - - - - - 20
3.2.3 Start - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 20
3.2.4 Manual battery testing- - - - - - - - - - - - - - - - - - - - - 21
3.2.5 Inverter power off- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 21
3.2.6 Power off - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 22
3.3 Working Mode and transferring - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 22
3.3.1 Transfer to bypass if overload - - - - - - - - - - - - - - - - - - - - - - - - - - - 22
3.3.2 Normal mode to battery mode - - - - - - - - - - - - - - - - - - - - - - - - - - -22
3.3.3 Goes to Bypass mode due to over temperature - - - - - - - - - - - - - - - 22
3.3.4 Output short circuit - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -22
3.4 UPS monitoring- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 23
3.5 LCD operation menu- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -- - -- - -23
3.5.1 Main menu switching - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 23
3.5.2 Submenu switching - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 23
3.5.3 Priority of info displayed on the LCD- - -- - - - - - - - - - - - - - - - - - - - - 23

- 4 -
- 4 -
4. Maintenance- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 24
4.1 Fan maintenance - - - - - - - - - - - - - - - - - - - - - - - - - - - 24
4.2 Battery maintenance- - - - - - - - - - - - - - - - - - - - - - - - 24
4.3 Visual checking- - - - - - - - - - - - - - - - - - - - - - - - - - 24
4.4 UPS status checking- - - - - - - - - - - - - - - - - - - - - - - - 25
4.5 Function checking- - - - - - - - - - - - - - - - - - - - - - - 25
5. Trouble shooting- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 26
A1 USB communication port definition - - - - - - - - - - - - - - - - - - - - - - - - - - - - 27
A2 Specification- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 28
A3 Option - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 30
A4 UPS message table - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 30

- 5 -
- 5 -
1. Product Introduction
1.1 Application
This series UPS, providing reliable AC power to various equipment, can be used for
computer center, network management center, auto control system, telecom
systems, etc
1.2 Product range
Capacity
6kVA 10kVA
Model
Standard model Extended model Standard model Extended model
Remarks
with internal
battery External battery
with internal
battery External battery
1.3 System principle diagram
The system can work as a single unit or parallel one, so as to enhance its
Reliability.
Fig.1-1 Single unit

- 6 -
- 6 -
1.4 Features
This series 6kVA/10kVA UPS is newly introduced. It is an intelligent online sine wave
UPS.
High frequency, double conversion, high input power factor, wide input voltage
range, the output will not be disturbed by power network, suitable for area with
poor power supply condition
DSP technology for all-digital control, high reliability, self-diagnostics and
protections are featured
Intelligent battery management which extends battery life
LCD panel and LED indicators clearly indicate the system status and
parameters such as input/output voltage, frequency, load, temperature inside
UPS, etc.
Perfect network power management can be achieved by using UPS
monitoring software
Maintenance bypass switch is provided so the power supply to load will not be
interrupted during repair.
Friendly maintenance module design, easy for maintenance.
1.5 Product overview
1.5.1 Product view
F1-2 Complete unit view

- 7 -
- 7 -
1.5.2 LCD Operation instruction
The LCD control panel which consists of LCD display board, LED and buttons(see
Fig1-3) displays and controls these information including operating information, alarm
information, function setting information.
LCD control panel
1) Five green LED and one red LED
2) LCD control panel which can display four lines of English
3) Buttons: On, Off, ESC, Enter, and Left & Right
ON
O
FF
ESC
ENT
BYPASS
RECT INV OUTPUT
FAULT
Fig.1-3 LCD control panel introduction
1. LCD Display Board
2. ESC
3. Off button
4. On button
5. right or down
6. Enter
7. left or up
8. Output Indicator
9. Inverter Indicator
10. Battery Indicator
11. Mains (AC) Indicator
12. Bypass Indicator
13. Fault Indicator

- 8 -
LED indicator definition
1) Fault Indicator（red）：”On “ indicates when a fault occurred; “Off” means no
fault occurred.
2) Indicator（Green）：”On” means AC is normal, “Off” means AC is not present, and
blinking means voltage is beyond normal range
3) Inverter Indicator（Green）：”On” means when load is powered by inverter, “Off”
means when it is not working and blinking means it is in overload condition.
4) Bypass Indicator（Green）：”On” means when UPS is in bypass mode, “Off”
means not in bypass mode and blinking means when the input is beyond normal
range
5) Battery Indicator（Green）：On: when UPS is in battery mode, Off : Not in Battery
mode; Blinking: when battery voltage is low or battery is not connected
6) Output Indicator（Green）：On: when there is output, Off: no output.
LCD display content
1) Running parameters
Input voltage/frequency, output voltage/frequency/current, temperature inside
UPS, battery remaining capacity, battery charging/fully charged, battery voltage.
2）Alarm information ( priority from high to low )
It provides shutting down, auxiliary power fault, output short circuit, inverter fault,
rectifier fault, over temperature, overload, charger fault, battery fault, battery
capacity low, ready to shut down and output fault.
3）Parameter setting
Menu setting, floating /boosting charging setting, battery capacity setting, ID of
parallel UPS, output voltage/frequency level/calibration.
zBoosting charging voltage 2.30 to 2.35V per cell, floating charging voltage
2.20 to 2.29V per cell
zBattery capacity setting includes the Ah of each battery unit, battery quantity
(8 to 10 )*2, parallel group number, low battery voltage alarm value (EOD ).
zParallel setting
zUPS ID setting
zLBS setting ( Enable/Disable, Master/Slave)
Button Definition
Button Definition
ON Switch on the inverter by pressing and holding it for 1s when the
UPS is off
OFF
Switch off the inverter output by pressing and holding it for 1s
when the UPS is on, load will be powered by bypass output if
the bypass is normal
ENT Confirm the operation
ESC cancel and go to previous menu
◀Turn to another menu or parameter
▶Turn to another menu or parameter

- 9 -
UPS Messages reference table
Explanation Content
Initialization CurState: Init
No export No-Out
At bypass Bypass
Rectifier working Mains
Battery mode Battery
Battery testing Testing
Starting Starting
ECO mode CurState : ECO
EPO mode CurState: EPO
UPS maintaining CurState: M-Byp
UPS fault CurState:Fault
Battery float charging Battery Charging
Battery Boost charging Battery Boost
Inverter on/off Invter ON/ Invter OFF
Master of UPS Inver Master
Maintenance switch close or open SWMB ON/ SWMB OFF
1.5.3 Display instruction
1) The main interface below comes out when the power is connected or the system is
cold start. See Fig1
Fig.1：Main interface
2) Press any key, it will change to the basic status interface , see Fig2 below
Fig.2：Basic status interface
Welcome
10KVA
Mode:On-Line
Battery 7AH
Vin 220V 50Hz
Vout 220V 50Hz

- 10 -
3) Press the ◀or ▶button, it will change to main menu, see Fig3，
Fig.3：Main menu
4) An arrow icon will come out on the LCD when pressing the ENT, then, the data info,
status info, setting info, command control can be selected by pressing the right or left
arrow button, and checking the details by pressing
5) Select and confirm the data info to be viewed in detail. It contains the details of the
AC input /output, inverter, battery, BUS, parallel, temperature. See Fig 4 to 12
below.
Fig.4：MAIN INPUT INFO Fig.5：OUTPUT INFO Fig.6：OUTPUT INFO
Fig.7：INVERT INFO Fig.8：BATTERY INFO Fig.9 BATTERY INFO
Fig.10：BUS INFO Fig.11：PARALLEL INFO Fig.12：TEMPERATURE
INFO
Figure
Status
Setting
Command
Figure
Mains
220.0V 0.0A
50.0Hz
Figure
Output
220.0V 0.0A
50.0Hz 0%
Figure
Output
0.0KW PAK: 0.0
0.0KVA 
Figure
Invert
220.0V
50.0Hz
Figure
PBatt. Discharge
0V 0.0A
0% 0min
Figure
NBatt. Discharge
0V 0.0A
0% 0min 
Figure
BUS
-390V +390V
Figure
Parallel ID
ID:01
Figure
Temperature ℃
Inner:24
REC:24 INV:30

- 11 -
6) Select and confirm the status info can view the details, including status information,
alarm information, code, power rating and version. See Fig 13 to 14
Fig.13：main menu Fig.14：main menu
Fig.15：status info Fig.16：Alarminfo Fig.17：type info
Fig18：code info Fig19：version info
7) Select and confirm setting menu , setting information will be displayed on the screen,
which includes user set, system set, parallel set, battery set, revise set.
Fig.20：setting menu Fig.21：setting menu
Select and confirm client setting, then see Fig. 22.
Fig.22：user setting information
Status
State
Alarm & Fault
Rated POWER
Status
Rated POWER
Code
Version
Status
State
CurState:Init
SWMB OFF 
Status
Alarm & Fault

Status
Rated POWER
MachInfo:0101
Rated: 10KVA
Status
Code/Status
01 0x00
02 0x000000
Status
Version
LCD Ver. D000B001
DSP Ver. D000B001
Setting
User set
System set
Parallel set 
Setting
Battery set
Revise set 
Setting
User set
BL. 60sec
Contrast 2

- 12 -
Select and confirm system setting menu ,then see Fig23to Fig28
Fig.23：system setting Fig.24：system setting Fig.25：system setting
Fig.26：System setting Fig.27：System setting Fig.28：System setting
Select and confirm parallel menu，then see Fig.29 to Fig.30
Fig.29：Parallel setting Fig.30：Parallel setting
Setting battery see Fig.31～Fig.34
Fig.31：battery setting Fig.32：battery setting Fig.33：battery setting
Fig.34 Battery setting
Setting
System set
V-level 220V
F-level 50Hz
Setting
System Set
Auto Enable
F-Range 5%
Setting
System set
V-upper 15%
V-lower -45%
Setting
System set
V-Fine 0.0
SW Times 9 
Setting
System set
Mode on-line
Power Enable
Setting
System set
Output Enable
Buzzer Disable
Setting
Parallel set
ID: 1
P-Amount 1 
Setting
Parallel Set
P-Redund 0
LBS NO LBS
Setting
Battery set
EOD 1.70
Batt Num 20
Setting
Battery set
Batt-G 1
Batt-C 7
Setting
Battery set
Boost 2.30
Float 2.20
Setting
Battery set
Boost Enable

- 13 -
Parameter revise，see Fig.35～Fig.38
Fig.35 Parameter revise Fig.36 Parameter revise Fig.37 Parameter revise
Fig.38 Parameter revise
Control operation see Fig.39～Fig.43
Fig.39：control menu Fig.40：control menu
Fig.41 Battery self-test Fig.42 stop battery testing Fig.43 Turn on/off delay
8）Warning message see Fig.44～Fig.49
Fig.44 no echo for setting Fig.45 error for setting Fig.46 switching delay
Setting
Revise
VinRevise 4096
InvRevise 4096
Setting
Revise
VoutRevise4096
+BusRevise 4096
Setting
Revise
NBatRevise4096
Command
Battery Test
Turn On Delay
Command
For: 1sec
Ent: sure
ESC: cancel
Command
Battery test
Turn Off Delay
STOP Testing
Ent: sure
ESC: cancel
Command
After: 1sec
Ent: sure
ESC: cancel
Warning!
Set no Echo:31
Warning!
Set Error:31
Warning!
Interrupt
switch prompt
Sure:Ent No:ESC
Setting
Revise
-BusRevise4096
PBatRevise 4096

- 14 -
Fig.47 overload due to
shutdown
Fig.48 no output due to
shutdown
Fig.49 switching times
1.5.4 Rear panel instruction
OUTPUT
INPUT
BATTERY
PARAMETER LABEL
Dry contact
RS
485
Intelligent
slot
Parallel
slot
MB SWITCH INPUT SWITCH
USB
Fig.1-4 Rear Instruction
1. AC input
2. Maintenance bypass switch (covered)
3. Handle
4. label
5. External battery connector.
6. Output
7. Input
8. Dry contact
9. USB
10. RS485
11. Intelligent slot
12. Parallel slot
Warning!
Off will cause
sys.Overload
Sure:Ent No:ESC
Warning!
Off will cause
output fail
Sure:Ent No:ESC
Warning!
Switch Limited
Sure:Ent

- 15 -
2 Installation
2.1 Unpack checking
1) Don’t lean the UPS when moving it out from the packaging.
2) Check the appearance to see if the UPS is damaged during transportation, do
not switch on the UPS if any damaged is found and please contact the dealer.
3) Check the accessories according to the packing list and contact the dealer if any
parts missing
2.2 Installation procedure
2.2.1 Installation note
* Put the UPS at flat place next to the equipment.
* Keep the UPS at least 20cm from wall or equipment or other object. Don’t block
the ventilation holes of the UPS located in the front panel and the bottom part, so
as to keep the ventilation in good condition & avoid temperature of components
inside getting high.
* Keep the UPS away from high temperature, water, flammable gas, corrosive gas,
dust, direct sunlight and explosive things
* Don't lay the UPS outdoor.
* 63A circuit breaker is required at the input L-N for 6KVA UPS, while 100A for the
10KVA UPS.
* PDU is required to connect to the UPS output so as to weaken the affection
between loads
* In order to fix the UPS, please lock its wheels by shifting the sheet on each wheel
* RCD load like computer, linear load and small inductive load can be connected
with the UPS. Please contact dealer if other types of loads are required to be
connected with.
* For the safety sake of user and equipments, please betake correct power
configuration.
Fig.2-1 Correct power configuration

- 16 -
2.2.2 Installation
External battery connection (for extended model only )
1) Make sure battery quantity complies with the specs. Measure the voltage of
battery bank after finishing connection and the battery voltage should be around
192/216/240VDC. Don’t mix batteries with different capacity & brands and don’t
mix brand new and old batteries, either.
2) The breaker on battery cabinet should be off.
3) Take out the connection box and remove the cover of terminals, use multi-meter
to make sure there is no DC voltage at the battery terminals of the UPS.
4) Connect battery with positive pole, common pole and negative pole to battery
connector(BAT+,BATN,BAT-）, don’t reverse battery polarity.
CAUTION
It is recommended to connect or replace battery after switching off the system;
don’t reverse battery polarity when doing battery hot-swapping.

- 17 -
UPS input and output connection
Minimum 10AWG copper wires for input/output & battery cables are required for the
6KVA, and 8AWG for 10KVA.
1) Switch off all breakers before connecting cables
2) Remove the cover of the terminals, see Fig 2-3,and follow it to connect the
cables
Fig.2-2I/O terminals connection
3) Connect the UPS output L, N, E to the L, N, E of the load via a PDU. Tighten the
screws and shelter the terminals
WARNING！
Please connect the output Earth well before go for other operation.
Connection of the UPS communication cables
1) The USB cable provided in accessories can be used to connect the UPS with PC
2) Follow steps below to install SNMP (if purchased )：
A. Remove the cover of SNMP slot at UPS rear panel and keep it for further use.
B. Insert the SNMP card and tighten the screws
C. Connect the UPS with internet by network cable.
D. Refer to the SNMP manual provided to do SNMP setting
CAUTION
Terminators are required so as to ensure the connections are firm
Don’t reverse the input L and N
Don’t connect the UPS input to a wall outlet or the outlet will get burnt.

- 18 -
2.3 The Connection of parallel system
Parallel
cable
Parallel
cable
Parallel
cable
UPS1 UPS2 UPS4
UPS3
Fig.2-3 parallel system
Make sure all the breakers are off and no output at the UPS output.
Extended connecting cables in Parallel :
When the UPSes are connected in parallel, the copper wires required to connect
with each UPS is minimum 10AWG for 6KVA and 8AWG for 10KVA, but the main
wire for linking all the UPS in parallel should be N* 10AWG or 8AWG (N refers to the
number of the UPS in parallel.)
Make sure the cables are as shorter as possible to reduce any possible noise
interference to data transfer.
CAUTION
Connect the L,N and E well
Configurate individual battery bank for each extended backup UPS in
parallel system. Also can be use common battery bank.

- 19 -
3.Operation
3.1 Working modes
The UPS has AC mode, bypass mode, battery mode and ECO mode
3.1.1 AC mode
If the AC input and load capacity are in normal ranges, the load will be powered by
inverter output, battery will be charged at the same time. AC and inverter indicators
on the LCD control panel will be on(green).
3.1.2 Bypass mode
When the AC power is connected and the UPS has not been switched on, or the
UPS is overloaded after switching on the UPS, it will go to bypass mode. The Loads
will be powered by AC, battery will be charged, and the bypass indicator on the LCD
control panel will be on (green). But, if the bypass is beyond normal range or
absent, the UPS will not go to bypass mode and no power will be supplied to the
loads.
3.1.3 Battery mode
In AC mode, if the AC is absent or beyond normal range, the rectifier and charger
will stop working, the loads will be powered by battery bank of which energy goes
through inverter circuit. The Inverter’s and battery’s indicators on the LCD control
panel will be on (green) and the alarm will beep every 3 seconds.
In battery mode, if the battery voltage becomes low and reaches the setting value,
the system will give low battery voltage alarm, beep once every second and the LCD
will give low battery alarm, too.
CAUTION
Charge batteries for at least 8 hours when the UPS is used at the first
time as battery has self-discharge characteristics even though the
UPS has been fully charged by manufacturer before shipping.
CAUTION
Please note below if the UPS input power is provided by a generator
1) Don't switch on the loads before starting UPS. After the UPS
has been started and worked steadily, switch on the loads one
by one. Suggest that the total capacity of the loads should
lower than 30% of capacity of generator
2) It is suggested that the rating of generator should be 1.5-2
times of the capacity of the UPS.