USER`S MANUAL - Power Inspired Ltd
User Manual
1KVA/ 2KVA/ 3KVA
INVERTER / CHARGER
CONTENTS
ABOUT THIS MANUAL ..................................................................................................................................... 1
Purpose ............................................................................................................................................................ 1
Scope ............................................................................................................................................................... 1
SAFETY INSTRUCTIONS.................................................................................................................................. 1
INTRODUCTION ............................................................................................................................................... 2
Features ........................................................................................................................................................... 2
Basic System Architecture ............................................................................................................................... 2
Product Overview ............................................................................................................................................. 3
INSTALLATION ................................................................................................................................................. 4
Unpacking and Inspection................................................................................................................................ 4
Preparation ...................................................................................................................................................... 4
Mounting the Unit ............................................................................................................................................. 4
Battery Connection .......................................................................................................................................... 5
AC Input/Output Connection ............................................................................................................................ 6
PV Connection (Only apply for the model with solar charger) ......................................................................... 7
Final Assembly ................................................................................................................................................. 8
Power ON/OFF ................................................................................................................................................ 9
Operation and Display Panel ........................................................................................................................... 9
LCD Display Icons ......................................................................................................................................... 10
LCD Setting .................................................................................................................................................... 12
Display Setting ............................................................................................................................................... 15
Operating Mode Description .......................................................................................................................... 17
Fault Reference Code .................................................................................................................................... 18
Warning Indicator ........................................................................................................................................... 18
SPECIFICATIONS ........................................................................................................................................... 19
Table 1 Line Mode Specifications ................................................................................................................... 19
Table 2 Invert Mode Specifications ................................................................................................................ 20
Table 3 Charge Mode Specifications .............................................................................................................. 21
Table 4 General Specifications ....................................................................................................................... 21
Charging Controls ........................................................................................................................................... 21
TROUBLE SHOOTING ..................................................................................................................................... 22
Appendix: Approximate Back-up Time Table ........................................................................................... 23
ABOUT THIS MANUAL
Purpose
This manual describes the assembly, installation, operation and troubleshooting of this unit. Please read
this manual carefully before installations and operations. Keep this manual for future reference.
Scope
This manual provides safety and installation guidelines as well as information on tools and wiring.
SAFETY INSTRUCTIONS
WARNING: This chapter contains important safety and operating instructions. Read and
keep this manual for future reference.
1.
Before using the unit, read all instructions and cautionary markings on the unit, the batteries and all
appropriate sections of this manual.
2.
CAUTION --To reduce risk of injury, charge only deep-cycle lead acid type rechargeable batteries.
Other types of batteries may burst, causing personal injury and damage.
3.
Do not disassemble the unit. Take it to a qualified service center when service or repair is required.
Incorrect re-assembly may result in a risk of electric shock or fire.
4.
To reduce risk of electric shock, disconnect all wirings before attempting any maintenance or cleaning.
Turning off the unit will not reduce this risk.
5.
CAUTION – Only qualified personnel can install this device with battery.
6.
NEVER charge a frozen battery.
7.
For optimum operation of this inverter/charger, please follow required spec to select appropriate cable
size. It’s very important to correctly operate this inverter/charger.
8.
Be very cautious when working with metal tools on or around batteries. A potential risk exists to drop
a tool to spark or short circuit batteries or other electrical parts and could cause an explosion.
9.
Please strictly follow installation procedure when you want to disconnect AC or DC terminals. Please
refer to INSTALLATION section of this manual for the details.
10. Fuses (40A, 32VDC *4pcs for 1KVA/2KVA and *6pcs for 3KVA) are provided as over-current protection
for the battery supply.
11. GROUNDING INSTRUCTIONS -This inverter/charger should be connected to a permanent grounded
wiring system. Be sure to comply with local requirements and regulation to install this inverter.
12. NEVER cause AC output and DC input short circuited. Do NOT connect to the mains when DC input
short circuits.
13. Warning!! Only qualified service persons are able to service this device. If errors still persist after
following troubleshooting table, please send this inverter/charger back to local dealer or service center
for maintenance.
1
INTRODUCTION
This is a multi-function inverter/charger, combining functions of inverter, solar charger and battery charger to
offer uninterruptible power support with portable size. Its comprehensive LCD display offers user-configurable
and easy-accessible button operation such as battery charging current, AC/solar charger priority, and
acceptable input voltage based on different applications.
Features

Pure sine wave inverter

Configurable input voltage range for home appliances and personal computers via LCD setting

Configurable battery charging current based on applications via LCD setting

Configurable AC/Solar Charger priority via LCD setting

Compatible to mains voltage or generator power

Auto restart while AC is recovering

Overload/ Over temperature/ short circuit protection

Smart battery charger design for optimized battery performance

Cold start function
Basic System Architecture
The following illustration shows basic application for this inverter/charger. It also includes following devices to
have a complete running system:
 Generator or Utility.
 PV modules (option)
Consult with your system integrator for other possible system architectures depending on your requirements.
This inverter can power all kinds of appliances in home or office environment, including motor-type appliances
such as tube light, fan, refrigerator and air conditioner.
Figure 1 Hybrid Power System
2
Note: Appliances like air conditioner need at least 2~3 minutes to restart because it’s required to have
enough time to balance refrigerant gas inside of circuits.
If a power shortage occurs and recovers
in a short time, it will cause damage to your connected appliances. To prevent this kind of damage,
please check manufacturer of air conditioner if it’s equipped with time-delay function before
installation. Otherwise, this inverter/charger will trig overload fault and cut off output to protect your
appliance but sometimes it still causes internal damage to the air conditioner.
Product Overview
2KVA/3KVA Model
1KVA Model
1. LCD display
2. Status indicator
3. Charging indicator
4. Fault indicator
5. Function buttons
6. Power on/off switch
7. AC input
8. AC output
9. PV input
10. Battery input
11. Circuit breaker
12. Communication port
3
INSTALLATION
Unpacking and Inspection
Before installation, please inspect the unit. Be sure that nothing inside the package is damaged. You should
have received the following items inside of package:
 The unit x 1
 User’s manual x 1
 Communication cable x 1
Preparation
Before connecting all wirings, please take off bottom cover by
removing two screws as shown below.
Mounting the Unit
Consider the following points before selecting where to install:
 Do not mount the inverter on flammable construction materials.
 Mount on a solid surface
 Install this inverter at eye level in order to allow the LCD display to
be read at all times.
 For proper air circulation to dissipate heat, allow a clearance of
approx. 10 cm to the side and approx. 50 cm above and below the
unit.
 The ambient temperature should be between 0°C and 55°C to
ensure optimal operation.
 The recommended installation position is to be adhered to the wall
vertically.
 Be sure keep other objects and surfaces as shown in the below
diagram to guarantee sufficient heat dissipation and to have
enough space for removing wires.
Install the unit by screwing three screws.
4
Battery Connection
CAUTION: To safety operation and regulation compliance, it’s requested to install a separate DC over-current
protector or disconnect device between battery and inverter. It may not be requested to have a disconnect
device in some applications, however, it’s still requested to have over-current protection installed. Please refer
to typical amperage in below table as required fuse or beaker size.
WARNING! All wiring must be performed by a qualified personnel.
WARNING! It's very important for system safety and efficient operation to use appropriate cable for battery
connection. To reduce risk of injury, please use the proper recommended cable and terminal size as below.
Recommended battery cable and terminal size:
Model
Typical
Battery
Amperage
capacity
1KVA/2KVA
66A
3KVA
100A
1~3 m one-way
Ring Type for Cable
Terminal
1*6AWG
KST: RNBS14-6
2*10AWG
KST: RNBS8-6
100AH
1*4AWG
KST: RNBS22-6
200AH
2*8AWG
KST: RNBS14-6
100AH
Torque value
2~ 3 Nm
2~ 3 Nm
Please follow below steps to implement battery connection:
1. Assemble battery ring terminal based on recommended battery cable and terminal size.
2. 1KVA model supports 12VDC system and 2KVA/3KVA model supports 24VDC system. Connect all battery
packs as below chart. It’s suggested to connect at least 100Ah capacity battery for each.
NOTE: Please only use sealed lead acid battery or sealed GEL/AGM lead-acid battery.
3. Insert the ring terminal of battery cable flatly into battery connector on the inverter and make sure the
bolts are tightened to a torque of 2-3 Nm. Make sure polarity at both the battery and the inverter/charge is
correctly connected and ring terminals are tightly screwed to the battery terminals.
5
WARNING: Shock Hazard
Installation must be performed with care due to high battery voltage in series.
CAUTION!! Do not place anything between the flat part of the inverter terminal and the ring
terminal. Otherwise, overheating may occur.
CAUTION!! Do not apply anti-oxidant substance on the terminals before terminals are
connected tightly.
CAUTION!! Before making the final DC connection or closing DC breaker/disconnector, be sure
positive (+) must be connected to positive (+) and negative (-) must be connected to negative
(-).
AC Input/Output Connection
CAUTION!! Before connecting to AC input power source, please install a separate AC breaker between
inverter and AC input power source. This will ensure the inverter can be securely disconnected during
maintenance and fully protected from over current of AC input. The recommended spec of AC breaker is 10A
for 1KVA, 20A for 2KVA, 32A for 3KVA.
CAUTION!! There are two terminal blocks with “IN” and “OUT” markings. Please do NOT mis-connect input
and output connectors.
WARNING! All wiring must be performed by a qualified personnel.
WARNING! It's very important for system safety and efficient operation to use appropriate cable for AC input
connection. To reduce risk of injury, please use the proper recommended cable size as below.
Suggested cable requirement for AC wires
Model
AWG no.
Torque
1KVA
16 AWG
0.5~ 0.6 Nm
2KVA
14 AWG
0.8~ 1.0 Nm
3KVA
12 AWG
1.2~ 1.6 Nm
Please follow below steps to implement AC input/output connection:
1. Before making AC input/output connection, be sure to open DC protector or disconnector first.
2. Remove insulation sleeve 6mm for six conductors of 1KVA and 10mm for 2K/3KVA. And shorten phase L
and neutral conductor N 3 mm.
3. Insert AC input wires according to polarities indicated on terminal block and tighten the terminal screws. Be
sure to connect PE protective conductor ( ) first.
L→LINE (brown or black)
→Ground (yellow-green)
N→Neutral (blue)
1KVA
6
2KVA/3KVA
WARNING:
Be sure that AC power source is disconnected before attempting to hardwire it to the unit.
4. Then, insert AC output wires according to polarities indicated on terminal block and tighten terminal screws.
Be sure to connect PE protective conductor (
L→LINE (brown or black)
) first.
→Ground (yellow-green)
N→Neutral (blue)
1KVA
2KVA/3KVA
5. Make sure the wires are securely connected.
PV Connection (Only apply for the model with solar charger)
CAUTION: Before connecting to PV modules, please install separately a DC circuit breaker between inverter
and PV modules.
WARNING! All wiring must be performed by a qualified personnel.
WARNING! It's very important for system safety and efficient operation to use appropriate cable for PV
module connection. To reduce risk of injury, please use the proper recommended cable size as below.
Model
Typical Amperage
Cable Size
Torque
1KVA/2KVA/3KVA
50A
8 AWG
7
1.4~1.6 Nm
Please configure PV system as following recommendation:
Model
Best Vmp
Vmp range
1KVA
15Vdc
15V~18V
2KVA/3KVA
30Vdc
30V~32V
Note: * Vmp: panel max power point voltage. The PV charging efficiency is maximum while PV system
voltage close to Best Vmp.
Please follow below steps to implement PV module connection:
1. Remove insulation sleeve 10 mm for positive and negative conductors.
2. Check correct polarity of connection cable from PV modules and PV input
connectors. Then, connect positive pole (+) of connection cable to positive
pole (+) of PV input connector. Connect negative pole (-) of connection
cable to negative pole (-) of PV input connector.
3. Make sure the wires are securely connected.
Final Assembly
After connecting all wirings, please put bottom cover by screwing two screws as shown below.
Communication Connection
This inverter/charger is equipped with a communication port to communicate with a PC with corresponding
software. Please use supplied communication cable to connect to RS-232 of this inverter and RS-232 port of
the PC. Please access software download site to download the monitoring software in your PC. Software
download website: www.power-software-download.com/watchpower.html. For the detailed software
operation, please check user manual of software.
8
OPERATION
Power ON/OFF
Once the unit has been properly installed and the batteries are connected well, simply press On/Off switch
(located on the button of the case) to turn on the unit.
Operation and Display Panel
The operation and display panel, shown in below chart, is on the front panel of the inverter. It includes
three indicators, four function keys and a LCD display, indicating the operating status and input/output
power information.
LCD display
LED indicators
Function keys
LED Indicator
LED Indicator
Green
Green
Red
Messages
Solid On
Output is available in bypass mode
Flashing
Output is powered by battery in inverter mode
Solid On
Battery is fully charged
Flashing
Battery is charging
Solid On
Fault mode
Flashing
Warning mode
Function Keys
Function Key
Description
ESC
Exit setting mode
UP
To previous selection
DOWN
To next selection
ENTER
To confirm the selection in setting mode or enter setting mode
9
LCD Display Icons
Icon
Function description
Input Source Information
Indicates the AC input.
Indicates the PV input
Indicate input voltage, input frequency, PV voltage, battery voltage and
charger current.
Configuration Program and Fault Information
Indicates the setting programs.
Indicates the warning and fault codes.
Warning:
Fault:
flashing with warning code.
lighting with fault code
Output Information
Indicate output voltage, output frequency, load percent, load in VA and load in
Watt.
Battery Information
Indicates battery level by 0-24%, 25-49%, 50-74% and 75-100% in battery
mode and charging status in line mode.
In AC mode, it will present battery charging status.
Status
Battery voltage
<2V/cell
Constant
2 ~ 2.083V/cell
Current mode /
Constant
Voltage mode
LCD Display
4 bars will flash in turns.
Bottom bar will be on and the other three
bars will flash in turns.
Bottom two bars will be on and the other
two bars will flash in turns.
Bottom three bars will be on and the top
2.083 ~ 2.167V/cell
> 2.167 V/cell
bar will flash.
Floating mode. Batteries are fully charged.
4 bars will be on.
10
In battery mode, it will present battery capacity.
Load Percentage
Battery Voltage
LCD Display
< 1.717V/cell
1.717V/cell ~ 1.8V/cell
Load >50%
1.8 ~ 1.883V/cell
> 1.883 V/cell
< 1.817V/cell
1.817V/cell ~ 1.9V/cell
50%> Load > 20%
1.9 ~ 1.983V/cell
> 1.983
< 1.867V/cell
1.867V/cell ~ 1.95V/cell
Load < 20%
1.95 ~ 2.033V/cell
> 2.033
Load Information
Indicates overload.
Indicates the load level by 0-24%, 25-50%, 50-74% and 75-100%.
0%~25%
25%~50%
50%~75%
Mode Operation Information
Indicates unit connects to the mains.
Indicates unit connects to the PV panel.
Indicates load is supplied by utility power.
Indicates the utility charger circuit is working.
Indicates the DC/AC inverter circuit is working.
Mute Operation
Indicates unit alarm is disabled.
11
75%~100%
LCD Setting
After pressing and holding ENTER button for 3 seconds, the unit will enter setting mode. Press “UP” or
“DOWN” button to select setting programs. And then, press “ENTER” button to confirm the selection or
ESC button to exit.
Setting Programs:
Program
Description
Selectable options
Escape
00
Exit setting mode
Solar energy provides power to the
loads as first priority.
If solar energy is not sufficient to
power all connected loads, battery
Solar first:
energy will supply power the loads at
the same time.
Utility provides power to the loads
only when any one condition
happens:
- Solar energy is not available
- Battery voltage drops to low-level
warning voltage
Output source priority:
01
To configure load power
source priority
Utility will provide power to the loads
Utility first (default):
as first priority.
Solar and battery energy will provide
power to the loads only when utility
power is not available.
Solar energy provides power to the
loads as first priority.
If solar energy is not sufficient to
SBU priority:
power all connected loads, battery
energy will supply power to the loads
at the same time.
Utility provides power to the loads
only when battery voltage drops to
the setting point in program 12.
02
Maximum charging
current
10A:
20A:
30A:
40A:
50A (default):
12
03
04
05
06
Appliances(default):
UPS:
Saving
Saving mode enable:
AC input voltage range
Power saving mode
disable(default):
AGM(default):
Flooded:
Restart disable
Restart enable:
Battery type
Auto restart when
overload occurs
(default):
Restart
07
Auto restart when over
temperature occurs
Restart enable:
disable(default):
50Hz(default):
09
60Hz:
Output frequency
Available options in 1K model:
12
Setting voltage point
back to utility source
when selecting “SBU
priority” in program 02
11.0V:
11.3V:
11.5V(default):
11.8V:
12.0V:
12.3V:
12.5V:
12.8V:
Available options in 2K/3K models:
22.0V:
22.5V:
23.0V(default):
23.5V:
13
24.0V:
24.5V:
25.0V:
25.5V:
If this inverter/charger is working in Line, Standby or Fault
mode, charger source can be programmed as below:
Solar first:
Solar energy will charge battery as
first priority.
Utility will charge battery only when
solar energy is not available.
Charger source priority:
16
Utility first(default):
Utility will charge battery as first
priority.
To configure charger
Solar energy will charge battery only
source priority
when utility power is not available.
Solar and Utility:
Solar energy and utility will charge
battery at the same time.
If this inverter/charger is working in Battery mode or Power
saving mode, only solar energy can charge battery. Solar
energy will charge battery if it's available and sufficient.
18
Alarm on(default):
Alarm off:
Backlight on(default):
Backlight off:
Alarm on(default):
Alarm off:
Bypass
Bypass enable:
Alarm control
20
Backlight control
22
Beeps while primary
source is interrupted
23
Overload bypass:
When enabled, the unit
will transfer to line mode
if overload occurs in
battery mode.
disable(default):
Record enable:
25
Record Fault code
14
Record disable(default):
Display Setting
The LCD display information will be switched in turns by pressing “UP” or “DOWN” key. The selectable
information is switched as below order: input voltage, input frequency, battery voltage, PV voltage,
charging current, output voltage and load in Watt.
Selectable information
LCD display
Input Voltage=230V, output voltage=230V
Input voltage/Output voltage (Default)
Input frequency=50Hz, Output frequency=50Hz
Input frequency/Output frequency
Battery voltage=25.5V
Battery voltage/Output voltage
PV voltage=60V, Load percent=70%
PV voltage/Load percentage
Current ≧ 10A
Charging current/Output voltage
Current < 10A
15
When load is lower than 1kVA, load in VA will
presents 350V as below.
Input voltage/Load in VA
When load is larger than 1kVA (≧1KVA), load in
VA will presents 1.5kVA as below:
When load is lower than 1kW, load in W will
present 270W as below:
Input voltage/Load in Watt
When load is larger than 1kW (≧1KW), load in W
will present 1.2kW as below.
Main CPU version 00014.04
Main CPU version checking
Secondary CPU version 00003.03
Secondary CPU version checking
16
Operating Mode Description
Operation mode
Description
LCD display
Charging by utility and PV
Charging by utility
Standby mode/ Fault
mode/ Power saving
mode
No output is supplied by the
unit but it still can charge
batteries.
Charging by PV
No charging
Charging by utility and PV
Line Mode
The unit will provide output
power from the mains. It will
also charge the battery at
line mode.
Charging by utility
Power from battery and PV power.
Battery Mode
The unit will provide output
power from battery and PV
power.
17
Power from battery only.
Fault Reference Code
Fault Code
Fault Event
01
Fan is locked
02
Over temperature
03
Battery voltage is too high
04
Battery voltage is too low
05
Output short circuited or Over temperature
06
Output voltage is abnormal
07
Over load time out
08
Bus voltage is too high
09
Bus soft start failed
11
Main relay failed
Icon on
Warning Indicator
Warning
Code
Warning Event
Audible Alarm
01
Fan is locked
Beep three times every
second
03
Battery is over charged
Beep once every 1second
04
Low battery
Beep once every 1
second
07
Overload
Beep once every 0.5
second
10
Power limitation
Beep twice every 3
seconds
18
Icon flashing
SPECIFICATIONS
Table 1 Line Mode Specifications
INVERTER MODEL
1KVA
Input Voltage Waveform
2KVA
3KVA
Sinusoidal (utility or generator)
Nominal Input Voltage
230Vac
170Vac± 7V (UPS);
Low Loss Voltage
90Vac± 7V (Appliances)
180Vac± 7V (UPS);
Low Loss Return Voltage
100Vac± 7V (Appliances)
High Loss Voltage
280Vac± 7V
High Loss Return Voltage
270Vac± 7V
Max AC Input Voltage
300Vac
Nominal Input Frequency
50Hz / 60Hz (Auto detection)
Low Loss Frequency
40± 1Hz
Low Loss Return Frequency
42± 1Hz
High Loss Frequency
65± 1Hz
High Loss Return Frequency
63± 1Hz
Output Short Circuit Protection
Circuit Breaker
Efficiency (Line Mode)
>95% ( Rated R load, battery full charged )
10ms typical (UPS);
Transfer Time
20ms typical (Appliances)
Output Power
Rated Power
Power Limitation
50% Power
90V
19
170V
280V
Input Voltage
Table 2 Invert Mode Specifications
INVERTER MODEL
Rated Output Power
1KVA
2KVA
3KVA
1KVA/0.8KW
2KVA/1.6KW
3KVA/2.4KW
Output Voltage Waveform
Pure Sine Wave
Output Voltage Regulation
230Vac± 5%
Output Frequency
50Hz
Peak Efficiency
90%
Overload Protection
[email protected]≥150% load; [email protected]%~150% load
2* rated power for 5 seconds
Surge Capacity
Nominal DC Input Voltage
12Vdc
24Vdc
11.5Vdc
23.0Vdc
@ load < 20%
11.0Vdc
22.0Vdc
@ 20% ≤ load < 50%
10.7Vdc
21.4Vdc
@ load ≥ 50%
10.1Vdc
20.2Vdc
@ load < 20%
11.5Vdc
23.0Vdc
@ 20% ≤ load < 50%
11.2Vdc
22.4Vdc
@ load ≥ 50%
10.6Vdc
21.2Vdc
@ load < 20%
10.5Vdc
21.0Vdc
@ 20% ≤ load < 50%
10.2Vdc
20.4Vdc
@ load ≥ 50%
9.6Vdc
19.2Vdc
High DC Recovery Voltage
14Vdc
29Vdc
High DC Cut-off Voltage
15Vdc
30Vdc
No Load Power Consumption
<15W
<20W
Saving Mode Power Consumption
<5W
<10W
Cold Start Voltage
Low DC Warning Voltage
Low DC Warning Return Voltage
Low DC Cut-off Voltage
20
Table 3 Charge Mode Specifications
INVERTER MODEL
1KVA
2KVA
Charging Algorithm
3KVA
3-Step
Utility Charging Mode
Charging Current (UPS)
Charging Floating Voltage
10/20Amp
20/30Amp (@VI/P=230Vac)
13.5Vdc
27Vdc
Solar Charging Mode
Charging Current (PWM)
50Amp
System DC Voltage
Operating Voltage Range
Max. PV Array Open Circuit Voltage
Standby Power Consumption
12Vdc
24Vdc
15~18Vdc
30~32Vdc
30Vdc
60Vdc
1W
2W
DC Voltage Accuracy
+/-0.3%
Table 4 General Specifications
INVERTER MODEL
1KVA
2KVA
Safety Certification
3KVA
CE
Operating Temperature Range
0°C to 55°C
Storage temperature
-15°C~ 60°C
Dimension (D*W*H), mm
95 x 240 x 316
Net Weight, kg
100 x 272 x 355
5.0
6.35
6.85
Charging Controls
Voltage Setting
Boost CC, CV
Float
12/24
12/24
Flooded
14.6/29.2
13.5/27.0
AGM / Gel
14.1/28.2
13.5/27.0
Battery Type
Charging Curve
Battery Voltage, per cell
Charging Current, %
2.43Vdc (2.35Vdc)
Voltage
2.25Vdc
100%
50%
T0
T1
T1 = 10* T0, minimum 10mins, maximum 8hrs
Current
Bulk
(Constant Current)
Absorption
(Constant Voltage)
21
Maintenance
(Floating)
Time
TROUBLE SHOOTING
Problem
Unit shuts down
automatically
during startup
process.
No response after
power on.
Mains exist but the
unit works in
battery mode.
When the unit is
turned on, internal
relay is switched on
and off repeatedly.
LCD/LED/Buzzer
Explanation / Possible cause
LCD/LEDs and buzzer
will be active for 3
seconds and then
complete off.
The battery voltage is too low
(<1.91V/Cell)
1. Re-charge battery.
2. Replace battery.
No indication.
1. The battery voltage is far too
low. (<1.4V/Cell)
2. Battery polarity is connected
reversed.
1. Check if batteries and the
wiring are connected well.
2. Re-charge battery.
3. Replace battery.
Input voltage is
displayed as 0 on the
LCD and green LED is
flashing.
Input protector is tripped
Check if AC breaker is tripped
and AC wiring is connected
well.
Green LED is flashing.
Insufficient quality of AC power
(Shore or Generator)
Green LED is flashing.
Set Solar power as the priority of
output source
LCD display and LEDs
are flashing.
Battery is disconnected.
Fault code 07.
Overload error. The inverter is
loaded with more than 110% load
and time is up
1. Check if AC wires are too
thin and/or too long.
2. Check if generator (if
applied) is working well, or
check if input voltage range
setting is correct
(UPSAppliance)
Change output source priority
to Utility first.
Check if battery wires are
connected well.
Temperature of internal converter
component is over 120°C.
Internal Inverter component over
100°C
Reduce the connected load by
switching off some
equipment.
Check if wiring is connected
well and remove abnormal
load.
Check whether the air flow of
the unit is blocked or whether
the ambient temperature is
too high.
Battery is over charged.
Return to repair center.
The battery voltage is too high.
Check if spec and quantity of
batteries are meet
requirements.
Fault code 01.
Fan fault
Replace the fan.
Fault code 06.
Output abnormal (Inverter voltage
below than 190Vac or is higher
than 260Vac)
1. Reduce the connected
load.
2. Return to repair center
Internal components failed.
Return to repair center
Output short circuited.
Fault code 05.
Fault code 02.
Buzzer beeps
continuously and
red LED is on.
What to do
Fault code 03.
Fault code 08.
Fault code 09.
22
Appendix: Approximate Back-up Time Table
Model
1KVA
Model
2KVA
3KVA
Load (VA)
Backup Time @ 12Vdc 100Ah (min)
Backup Time @ 12Vdc 200Ah (min)
100
766
1610
200
335
766
300
198
503
400
139
339
500
112
269
600
95
227
700
81
176
800
62
140
900
55
125
1000
50
112
Load (VA)
Backup Time @ 24Vdc 100Ah (min)
Backup Time @ 24Vdc 200Ah (min)
200
766
1610
400
335
766
600
198
503
800
139
339
1000
112
269
1200
95
227
1400
81
176
1600
62
140
1800
55
125
2000
50
112
300
449
1100
600
222
525
900
124
303
1200
95
227
1500
68
164
1800
56
126
2100
48
108
2400
35
94
2700
31
74
3000
28
67
Note: Backup time depends on the quality of the battery, age of battery and type of battery.
Specifications of batteries may vary depending on different manufacturers.
23
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