KStar SOHO Series User manual

SOHO Intelligent Household Inverter
User Manual
Version V1.1
Revision Date 2015-11-05
Shenzhen KSTAR Science and Technology Co., Ltd. provides customers
with full-around technical support. Users may contact the nearest KSTAR
local sales office or service center, and can also contact with the company
headquarter.
Shenzhen KSTAR Science and Technology Co., Ltd.
All rights reserved. The contents in this document are subject to change
without notice.
Shenzhen KSTAR Science and Technology Co., Ltd.
Address: KSTAR Industrial Park, No.7, Hi-Tech Industrial West Zone,
Guangming District, Shenzhen, China
Post Code: 518106
Homepage: www.kstar.com.cn
Service hotline: [phone]
E-mail: [email protected]

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Contents
Chapter 1 Safety Information.................................................................... 3
Chapter 2 Overview ................................................................................... 4
2.1 Applicable Scope ................................................................................. 4
2.2 Models.................................................................................................. 4
2.3 Physical................................................................................................. 5
2.4 Using Environment............................................................................... 6
Chapter 3 Installation ................................................................................ 6
3.1 Preliminary Checking After Unpacking................................................. 6
3.2 Mechanical Installation......................................................................... 7
3.2.1 Installation Location ........................................................................... 7
3.2.2 Wiring Description.............................................................................. 7
Chapter 4 Operation .................................................................................. 8
4.1 Introduction to Panel ............................................................................ 8
4.2 On....................................................................................................... 12
4.3 Off....................................................................................................... 12
4.4 Description of Audio Alarm................................................................. 13
Chapter 5 Toubleshooting and Solution................................................ 13
5.1 Troubleshooting and Solution ............................................................ 13
Appendix 1 Technical Specification......................................................... 15

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Chapter 1 Safety Information
Please read and follow bellow instructions carefully, otherwise personal injury or
equipment damage may happen. Please keep the manual for future use.
1. Do not reverse connect the positive and negative poles of the
battery;
2. Do not short circuit the positive and negative poles of the
inverter battery;
3. For indoor application only, Do not expose the inverter under
humidity and direct sunshine, and do not place it close to
heating or energized objects;
4. Please keep more than 10cm clearance around the inverter and
keep good ventilation;
5. Do not place any object on the inverter;
6. Do not spill any liquid into the inverter or place any alien object
in the inverter;
7. When backup a computer-load, please transfer to UPS Mode in
order to avoid the load re-starting;

Warning
1. Inverter contains hazardous voltage inside; please do not open
the enclosure. Only authorized technical personnel are allowed
to repair the inverter;
2. The battery circuit is not isolated from the input voltage circuit,
and there may be high voltage between the battery terminal and
ground. Therefore, please check if there is any high voltage
before repairing;
3. Even if the inverter input power is opened, the internal circuits in
the inverter may still connect to the battery and have potential
hazards, so be sure to disconnect the battery before
maintenance and repairing.

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Chapter 2 Overview
2.1Applicable Scope
This inverter is an intelligent 1/1 phase pure sine-wave inverter specially designed
for the houses and office environment in the regions where the utility voltage is
unstable or low for a longtime or where power failure frequently happens. With
CPU intelligent control, the inverter has the features of wide input voltage, fast
battery charging speed, aesthetic appearance and high reliability. It is widely used
for household appliances and office equipment, such as TV sets, Disc Players,
manual electric drill, refrigerator, recorder, water dispenser, fan, illuminating lamps,
computer, exchange and server, and the power range is from 600VA to 5000VA.
2.2Models
The model description of the inverter is as follows.
Table 2-2 Product Models
Model Capacity
SOHO-600 600VA/480W
SOHO-800 800VA/640W
SOHO-1000 1000VA/800W
SOHO-1500 1500VA/1200W
SOHO-2000 2000VA/1600W
SOHO-3000 3000VA/2400W
SOHO-4000 4000VA/3200W
SOHO-5000 5000VA/4000W

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2.3Physical
(600VA/800VA) (1000VA/1500VA)
(2000VA/3000VA) (4000VA/5000VA)

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Table 2-4 Mechanical Characteristics (Filled in)
Items 600VA 800VA 1000VA 1500VA 2000VA 3000VA 4000VA 5000VA
Unit
Dimensions
272*285*165 313*295*189 352*220*358 452*260*418
Package
Dimensions
380*375*255 420*384*275 435*306*448 535*346*510
Net Weight
(KG)
11.4 13.4 15.0 18.6 26 28 38 48
Gross Weight
(KG)
12.7 14.7 16.5 20.1 27 29 39.5 49.5
2.4Using Environment
Operating
Temperature 0°C-40°C
Storage
Temperature -25°C-55°C
Relative Humidity 20%-95% (no condensation)
Elevation <1000m, for elevation above 1000m, derate with reference to
GB7260.3-2003 4.1.1
Cooling Mode Air cooling
Chapter 3 Installation
This chapter introduces the installation procession, including the preliminary checking,
mechanical installation and electrical installation. Each installation site is different and
this chapter provides the general instruction for installation. It is up to the installation
personnel to process according to the specific conditions.
3.1Preliminary Checking After Unpacking
Prior to installing the inverter, please check packing and unit:

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1. Check packaging is good before accepting the goods;
2. Unpack the inverter, check the conditions of the unit and external wiring terminals. If
they are damaged during transportation, please contact the carrier immediately;
3. Check if the parts inside the package are complete.
Table 3-1 List of Parts
No. Name Quantity
1 Inverter 1
2 User Manual 1
3 Backup Fuse 1
Please do not throw away the original package. If the inverter needs
to be stored or stop working, we recommend putting the inverter in its
original package.
3.2Mechanical Installation
3.2.1 Installation Location
Place the inverter on a dry flat surface with good ventilation and without direct sunshine,
and erosive gases. In addition, keep at least 10cm clearance around the inverter for
good ventilation and do not place any object on the inverter.
3.2.2 Wiring Description
1) Connect the battery to the battery input terminals of the inverter correctly: The
positive cable (red) is connected to the positive pole of the battery, and the negative
cable (black) is connected to the negative pole of the battery. Please note that the
battery voltage should match the rated voltage of the inverter.
2) Close the battery circuit breaker on the rear panel;
3) Plug the power cord of the inverter to mains outlet;
4) Plug the load (the electrical appliance) into the inverter’s output receptacle. Please
be sure the load capacity shall not exceed the rated power of the unit

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Chapter 4 Operation
This chapter introduces the panel functions of SOHO inverter, and the process of
turning on/off the inverter.
4.1Introduction to Panel
Prior to operation, be sure to read and understand below indication of the control panel
Figure 4-1-1 Front panel of 600-1500VA LED inverter
Figure 4-1-2 Front panel of 2000~5000VA LED inverter
Note:
No. Functions Descriptions Remark

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1 Power switch
The inverter is on when
the switch is pressed (the
switch is put to “ON”
position)
2
Mains power
indicator
(green)
ON, means the inverter is
on, and the mains power
input is normal and
transfer to load
3 Inverter indicator
(red)
ON, means the inverter is
on, and the load power is
from the battery through
the inverter
4
Battery charging
indicator
(orange)
ON, means the system is
charging the battery
5
Battery
fully-charged
indicator
(green)
ON, means the battery
charging is completed
6
Battery Low
voltage indicator
(red)
ON, means the inverter is
on and the battery voltage
is low

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7
Inverter abnormal
indicator
(red)
ON, means the inverter
abnormal, and check if the
inverter is faulty, over load
or over temperature
according to the alarm
sound
If the alarm lasts for 2s and
repeats 4 times, this means
the output overload; If the
alarm lasts for 1s and
repeats 3 times, this means
the inverter over
temperature; If the alarm
continuously beeps, this
means the UPS has fault
such as output short circuit,
inverter damaged or
hardware failure.
8
UPS and INV
mode selection
switch
Transfer between UPS
mode or INV mode
For the load (such as
computer load) that is
sensitive to transfer time,
you can only select UPS
mode, otherwise the load will
work abnormally or the
computer will re-start up
9 Charging current
selection switch
Select the corresponding
charging current
according to battery
capacity
10 Output indicator
(green) ON, output normal
11 LCD turning Page
Button Downward arrow button
12 LCD

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Figure 4-1-3 Rear panel of 600~1500VA inverter
Figure 4-1-4 Rear panel of 2000VA/3000VA inverter
Note:
1---Mains power input cables 2---Mains power input fuse
3---Output receptacle 4---Battery circuit breaker
5---Negative cable of battery 6--- Positive cable of battery
7---Heat dissipating fan 8---Nameplate

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Figure 4-1-5 Rear panel of 4000VA/5000VA inverter
4.2On
After confirming that the wiring of the inverter is correct, turn on the power switch on the
panel of the inverter, then the inverter can be used normally. If the mains power is
normal at this time, the mains power indicator and battery charging indicator are on; If
the mains power is abnormal or fails (for example, input power connector is not
plugged), the inverter indicator will be on.
4.3Off
1). Turn off all the loads
2). Put the power switch on the panel to “OFF” position
3). Remove the mains power connector
4).Turn off the battery circuit breaker

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4.4Description of Audio Alarm
No. Alarm Sound Description
1 Beep every 10S, muted
automatically after 3min Battery backup mode
2 Beep twice every 1S Battery low voltage
3 Beep continuously for 4
times within 2S Output overload
4 Beep continuously within
2S UPS startup
5 Beep three times every 1S Inverter over temperature
6 Beep continuously UPS get faulty, such as output short circuit,
inverter damaged and hardware failure
Chapter 5 Toubleshooting and Solution
5.1Troubleshooting and Solution
It’s easy to maintain the inverter. When below case happens, please find out relative
solution, if it cannot be solved, please contact the local distributors. Below table lists
some simple cases may happen during operation and basic solutions respectively.
Table 5-1 Troubleshooting Table
No. Parameter Standard
1
Mains power
normal
On
On: AC, CHG(turned off after charging cycle is
ended), BAT FULL is on after boost charge is
completed and transfer to float charge /Buzzer
sounds one time after On button is pushed,
then there is no alarm sound

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2 Off
On: CHG (turned off after charging cycle is
ended), BAT FULL is on after boost charge is
completed and transfer to float charge / no
alarm sound
3 Overload
On: AC(turned off after protection),
CHG(turned off after charging cycle is ended),
BAT FULL is on after boost charge is
completed and transfer to float charge, FAIL
/Alarm sound lasts 2s, 4 times continuously,
and buzzer sounds all along after protection
4 Startup Over
Temperature
On: AC, CHG(turned off after protection), BAT
FULL is on after boost charge is completed
and transfer to float charge, FAIL / 1s, 3 times
(including after protection)
5 Shutdown Over
Temperature
On: CHG(turned off after protection), BAT
FULL is on after boost charge is completed
and transfer to float charge, FAIL / 1s, 3 times
(including after protection)
6 Short circuit
On: CHG(turned off after charging cycle is
ended), BAT FULL is on after boost charge is
completed and transfer to float charge, FAIL /
Buzzer sounds continuously
7 Output Over / Under
Voltage
Over: On: CHG(turned off after charging cycle
is ended), BAT FULL is on after boost charge
is completed and transfer to float charge, FAIL
/ Sound continuously
Under: On: FAIL / Buzzer sounds continuously
8
Mains power
abnormal
Startup / voltage and
frequency high or low
On: BAT DIS / Alarm sound lasts 10s, 1 time,
silenced automatically after 3min
9 Off No lamp / No sound
10 Over load
On: BAT DIS(turned off after protection), FAIL /
Alarm sound lasts 2s, 4 times continuously,

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buzzer sounds all along after protection
11 Over temperature
On: BAT DIS(turned off after protection), FAIL /
1s 3 times (including after protection)
12 Short circuit On: FAIL / Buzzer sounds continuously
13 Battery low voltage
alarm On: BAT DIS, BAT LOW / 1s 2 times
14 Battery low voltage
protection On: BAT LOW , / no alarm sound
Appendix 1 Technical Specification
Appendix Table-1 Input
Parameters
Model 600VA/800VA/1000VA/1500VA 2000VA/3000VA 4000VA/5000VA
Input mode Inverter mode UPS mode Inverter mode UPS mode
Rated
values
Input
voltage 220VAC 220VAC
Input
frequency 50HZ 50HZ
Number of
input
phases
Single phase Single phase
Input voltage range 120~300VAC 145~285VAC INV:120V~300VAC
UPS145V~285VAC
INV:160V~265VAC
UPS:190V~260VAC
Input frequency
range 38~70HZ 38~70HZ
Appendix Table-2 Output
Item 600VA 800VA 1000VA 1500VA 2000VA 3000VA 4000VA 5000VA
Output
voltage
Mains
mode
UPS mode: 190V~260V /
INV mode: 160V~260V
UPS mode:
198V~242V /
INV mode:
175V~255V
UPS：190V~260V
/
INV：160V~265V
Battery
mode 220V±5% (resistive load)
Output
frequency
Mains
mode Synchronous with grid power
Battery
mode 50HZ±1HZ
Waveform
Mains
mode Tracking mains power
Battery
mode Sine wave
Output power factor 0.8
Output power 600VA/ 800VA/ 1000VA/ 1500VA/ 2000VA/ 3000VA/ 4000VA/ 5000VA/

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480W 640W 800W 1200W 1600W 2400W 3200W 4000W
Protection
Over
temperature
protection
When heatsink temperature exceeds 90ºC: Shut down charger in mains mode,
and shut down inverter in battery mode
Over voltage
protection Shut down output when the voltage is above 285+/-10V
Under
voltage
protection
Shut down output when the voltage is below 120+/-10V
Short circuit
protection Shut down output
Audible noise ≤55dB(1m)
Insulation resistance > 2MΩ(500Vdc)
Dielectric strength 2820Vdc
Overload capacity
(precision: +/-10%)
1. Mains mode:
1) 100% load, long term operation
2) 100~120% shut down output after 3min, re-startup automatically after 30s, after
re-startup 3 times, if the overload still exists, then enter failure mode and the unit
needs to be started up manually
3) 120~130% shut down output after 30s, re-startup automatically after 30s, after
re-startup 3 times, if the overload still exists, then enter failure mode and the unit
needs to be started up manually
4) ≥130% shut down output immediately, re-startup automatically after 30s, after
re-startup 3 times, if the overload still exists, then enter failure mode and the unit
needs to be started up manually
2. Battery mode:
1) 100% load, long term operation
2) 100~110% shut down output after 10s, re-startup automatically after 30s (with
soft startup), after re-startup 3 times, if the overload still exists, then enter failure
mode and the unit needs to be started up manually
3) ≥110% shut down output immediately, re-startup automatically after 30s (with
soft startup), after re-startup 3 times, if the overload still exists, then enter failure
mode and the unit needs to be started up manually
Appendix Table-3 Battery configurations
Item 600VA 800VA 1000VA 1500VA 2000VA 3000VA 4000VA 5000VA
Rated
battery
voltage
12V 24V 24V 48V
Charging
voltage 13.8V±0.3V 27.6V±0.6V 27.6V±0.6V 55.2V±1.2V
Charging
current 10A/20A optional 20A/40A optional
Extension
port
1M Cable
Red: to battery positive
Black: to battery negative
Terminal
Red: to battery positive
Black: to battery negative