INFOSEC G1 Solar MPPT User manual

User Manual
G1 Solar MPPT
Inverter Solar MPPT Charger
English version………………………………………………………………………………………………………..1

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English version

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Table of Contents
ABOUT THIS MANUAL ...................................................................................................................................... 3
Purpose ............................................................................................................................................................ 3
Scope ............................................................................................................................................................... 3
SAFETY INSTRUCTIONS ................................................................................................................................... 3
INTRODUCTION ................................................................................................................................................. 4
Features ........................................................................................................................................................... 6
Basic System Architecture ............................................................................................................................... 6
Product Overview ............................................................................................................................................. 7
INSTALLATION ................................................................................................................................................... 8
Unpacking and Inspection................................................................................................................................ 8
Installation ........................................................................................................................................................ 8
Rack Mounting ................................................................................................................................................. 8
Battery Connection .......................................................................................................................................... 9
AC Input/Output Connection .......................................................................................................................... 10
PV Connection ................................................................................................................................................. 7
Communication Connection ............................................................................................................................. 8
Dry Contact Signal ........................................................................................................................................... 8
OPERATION ...................................................................................................................................................... 10
Power ON/OFF .............................................................................................................................................. 10
Operation and Display Panel ......................................................................................................................... 10
LCD Display Icons ......................................................................................................................................... 11
LCD Setting .................................................................................................................................................... 17
Display Setting ............................................................................................................................................... 17
Operating Mode Description .......................................................................................................................... 20
Fault Reference Code .................................................................................................................................... 22
Warning Indicator ........................................................................................................................................... 22
BATTERY EQUALIZATION .............................................................................................................................. 23
SPECIFICATIONS ............................................................................................................................................. 25
TROUBLE SHOOTING ..................................................................................................................................... 32
Appendix I: Parallel function .......................................................................................................................... 33
Appendix II: Approximate Back-up Time Table ............................................................................................ 43

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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 are provided as over-current and reversed connection 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.

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About batteries:
1. It is recommended that a qualified technician change the battery.
2. Before carrying out any kind of service or maintenance, disconnect the batteries and verify that no current
is present and no hazardous voltage exists in the terminals of high capability capacitor such as
BUS-capacitors.
3. Do not dispose of the battery in a fire as it may explode.
4. Do not open or damage the battery! The electrolyte, fundamentally sulphuric acid, can be toxic and
harmful to the skin and eyes. If you come into contact with it, wash thoroughly with water and clean dirtied
clothes.
5. Do not throw the battery into a fire. It may explode. It has to be disposed of separately at the end of its
useful life. Refer to local legislation and regulations.
6. The UPS contains one or two large-capacity batteries. To avoid any danger of electric shock do not open
it/them. If a battery needs servicing or has to be replaced, please contact the distributor.
7. Servicing should be performed or supervised by competent personnel who take the necessary
precautions. Keep unauthorised personnel away from batteries.
8. A battery may present a risk of electric shock and cause short circuits. The following precautions should
be taken by the qualified technician:
 Remove watches, rings or other metal objects from hands.
 Use tools with insulated handles.
 Disconnect the charging source prior to connecting or disconnecting battery terminals.
 When replacing batteries, use the same type and number of sealed lead-acid batteries.
AFTER SALES SERVICE
IMPORTANT!
When calling the After-Sales Department, please have the following information ready, it will be required
regardless of the problem: Product model, serial number and date of purchase.
Please provide an accurate description of the problem with the following details: type of equipment powered
by the UPS, indicator led status, alarm status, installation and environmental conditions.
You will find the technical information you require on your guarantee or on the identification plate on the back
of the unit. If convenient you may enter the details in the following box.
Mo d el
Ser ia l n um b er
Da t e of p urc hase
G1 Solar MPPT …
! Please keep the original packaging. It will be required in the event the product is returned to the After-Sales
Department.
CE conformity:
This logo means that this product answers to the EMC and LVD standards (regarding to the
regulation associated with the electric equipment voltage and the electromagnetic fields) and
comply with RoHS directives.

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IMPORTANT
An inverter charger belongs to the electronic and electrical equipment category. At the end of its
useful life it must be disposed of separately and in an appropriate manner.
This symbol is also affixed to the batteries supplied with this device, which means they too have
to be taken to the appropriate place at the end of their useful life.
Contact your local recycling or hazardous waste centre for information on proper disposal of the used battery.

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INTRODUCTION
G1 Solar MPPT is a multi-function inverter/charger, combining functions of inverter, MPPT solar charger and
battery charger to offer uninterruptible power support. 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
 Built-in MPPT solar charge controller
 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 G1 Solar MPPT. 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.
System Diagram

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Product Overview
1. Operation panel
2. USB communication port
3. AC input terminal
4. AC output terminal
5. Battery input
6. Input circuit breaker
7. Parallel communication ports
8. Share current ports
9. Dry contact
10. RS-232 communication port
11. PV input terminal

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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 the package:
 G1 Solar MPPT x 1
 User manual x 1
 Parallel cable x 2
 Software CD x 1
Installation
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.
 The ambient temperature should be between 0°C and 40°C to ensure optimal operation.
Rack Mounting
Please follow the diagram below to install the Inverter module in a 19-inch bay (with a depth of 600mm) at the
desired height in the upright cabinet. Secure the device adequately and fix it to the cabinet with six screws.

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Battery Connection
CAUTION: For 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 the table below to select proper amperage, required fuse or
breaker 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 cable and terminal size as recommended below.
Recommended battery cable and terminal size:
Model
Typical
Amperage
Battery
capacity
Wire Size
Ring Terminal
Torque
value
Cable
mm2
Dimensions
D (mm)
L (mm)
G1 solar
MPPT
125A
200AH
1*4AWG
25
6.4
33.2
2.5~3 Nm
2*8AWG
16
6.4
29.2
Please follow the steps below to implement battery connection:
1. Assemble battery ring terminal based on recommended battery cable and terminal size.
2. Connect all battery packs as the diagram below. It’s suggested to connect battery with at least 200Ah
capacity.
3. Insert the ring terminal of battery cable flatly into battery connector of inverter and make sure the bolts are
tightened with torque of 2.5-3 Nm. Make sure polarity at both the battery and the G1 Solar MPPT is
correctly connected and ring terminals are tightly screwed to the battery terminals.
WARNING: Shock Hazard
Installation must be performed with care due to high battery voltage in series.
Ring terminal:

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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 50A.
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 qualified person.
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 cable size as recommended below.
Suggested cable requirement for AC wires
Model
Gauge / Section
Torque Value
G1 Solar MPPT
8~10 AWG / 6-10 mm2
1.4~ 1.6Nm
Please follow the steps below to implement AC input/output connection:
1. Before making AC input/output connection, be sure to disconnect DC protector or breaker on battery
terminal first.
2. Remove insulation sleeve 10mm for six conductors.
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.
→Ground (yellow-green)
L→LINE (brown or black)
N→Neutral (blue)
WARNING:
Be sure that AC power source is disconnected before attempting to fix the wire of the unit.

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4. Then, insert AC output wires according to polarities indicated on terminal block and tighten terminal screws.
Be sure to connect PE protective conductor ( ) first.
→Ground (yellow-green)
L→LINE (brown or black)
N→Neutral (blue)
5. Make sure the wires are securely connected.
PV Connection
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'’ 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
G1 Solar MPPT
80A
6 AWG / 16 mm2
1.4~1.6 Nm
CAUTION: Appliances such as air conditioner are required 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 with
manufacturer of air conditioner to see if it’s equipped with time-delay function before installation. Otherwise, G1
Solar MPPT will detect overload fault and cut off output to protect your appliance but sometimes it still causes
internal damage to the air conditioner.
Ground
Output

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PV Module Selection:
When selecting proper PV modules, please be sure to consider below parameters:
1. Open circuit Voltage (Voc) of PV modules not exceeds max. PV array open circuit voltage of inverter.
2. Open circuit Voltage (Voc) of PV modules should be higher than min. battery voltage.
Solar Charging Mode
INVERTER MODEL
G1 Solar MPPT
Max. PV Array Open Circuit Voltage
145Vdc
PV Array MPPT Voltage Range
60~115Vdc
Min. battery voltage for PV charge
34Vdc
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.
Communication Connection
Please use supplied communication cable to connect to inverter and PC. Insert bundled CD into a computer
and follow on-screen instruction to install the monitoring software. For the detailed software operation, please
check user manual of software inside of CD.

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Dry Contact Signal
There is one dry contact (3A/250VAC) available on the rear panel. When program 38 is set as “disable”, it
could be used to deliver signal to external device when battery voltage reaches warning level. When program
38 is set as “enable” and the unit is working in battery mode, it could be used to trigger the grounding box to
connect neutral and grounding of AC output together.
When program 38 is set as “disable” (default setting):
Unit Status
Condition
Dry contact port:
NC & C
NO & C
Power Off
Unit is off and no output is powered.
Close
Open
Power On
Output is powered from Utility.
Close
Open
Output is
powered
from
Battery or
Solar.
Program 01
set as
Utility
Battery voltage < Low DC warning
voltage
Open
Close
Battery voltage > Setting value in
Program 13 or battery charging
reaches floating stage
Close
Open
Program 01
is set as
SBU or
Solar first
Battery voltage < Setting value in
Program 12
Open
Close
Battery voltage > Setting value in
Program 13 or battery charging
reaches floating stage
Close
Open
When program 38 is set as “enable”:
Unit Status
Condition
Dry contact port:
NC & C
NO & C
Power Off
Unit is off.
Close
Open
Power On
Output is powered from Battery or Solar
Open
Close

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OPERATION
Power ON/OFF
Once the unit has been properly installed and the batteries are connected well, simply press On/Off switch
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, three function keys and a LCD display, indicating the operating status and input/output
power information.
LED Indicators
LED Indicator
Messages
Green
Solid On
Output is powered by utility in Line mode.
Flashing
Output is powered by battery in battery mode.
Green
Solid On
Battery is fully charged.
Flashing
Battery is charging.
Red
Solid On
Fault occurs in the inverter.
Flashing
Warning condition occurs in the inverter.
Function Keys
Function Key
Description
ESC
To exit setting mode
SELECT
To go to next page or next selection
ENTER
To confirm the selection in setting mode or enter setting mode
LED indicators
Function keys
LCD display

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LCD Display Icons
Icon
Function description
Input Source Information
Indicates input voltage, input frequency and battery voltage, charging power
or setting value.
Output Information
Indicates output voltage, output frequency, setting program NO or fault code.
Indicates percentage of load
Battery Information
Indicates battery level by 0-24%, 25-49%, 50-74% and 75-100% in battery
mode and charging status.
Indicates battery voltage is low.
In line mode, it will present battery capacity as below table when unit is charging.
Status
Battery voltage
LCD Display
Constant
Current mode /
Constant
Voltage mode
<2V/cell
4 bars will flash in turns.
2 ~ 2.083V/cell
25% bar will be on and the other three
bars will flash in turns.
2.083 ~ 2.167V/cell
Two bars will be on and the other two bars
will flash in turns.
> 2.167 V/cell
Three bars will be on and the leftmost bar
will flash.
Floating mode. Batteries are fully charged.
4 bars will be on.
In battery mode, it will present battery capacity.
Load Percentage
Battery Voltage
LCD Display
Load >50%
< 1.717V/cell
1.717V/cell ~ 1.8V/cell
1.8 ~ 1.883V/cell

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> 1.883 V/cell
50%> Load > 20%
< 1.817V/cell
1.817V/cell ~ 1.9V/cell
1.9 ~ 1.983V/cell
> 1.983
Load < 20%
< 1.867V/cell
1.867V/cell ~ 1.95V/cell
1.95 ~ 2.033V/cell
> 2.033
Load Information
Indicates unit is overload.
Indicates the load level by 0-24%, 25-50%, 50-74% and 75-100%.
0%~25%
25%~50%
50%~75%
75%~100%
Mode Operation Information
Indicates the load is supplied by utility power.
Indicates the load is supplied by battery or solar.
Indicates alarm or fault is happened.
Indicates the solar charger circuit is working.
Indicates the utility charger circuit is working.

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LCD Setting
After pressing and holding ENTER button for 3 seconds, the unit will enter setting mode. Press “SELECT”
button to select setting programs. And then, press “ENTER” button to confirm the selection or ESC button to
exit.
Setting Programs:
Program
Description
Selectable option
00
Exit setting mode
Escape
01
Output source priority:
To configure load power
source priority
Solar first
Solar energy provides power to the
loads as first priority.
If solar energy is not sufficient to
power all connected loads, battery
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 either
low-level warning voltage or the
setting point in program 12.
Utility first (default)
Utility will provide power to the loads
as first priority.
Solar and battery energy will provide
power to the loads only when utility
power is not available.
SBU priority
Solar energy provides power to the
loads as first priority.
If solar energy is not sufficient to
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 either
low-level warning voltage or the
setting point in program 12.

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02
Maximum charging current:
To configure total charging
current for solar and utility
chargers.
(Max. charging current =
utility charging current +
solar charging current)
10A
20A
30A
40A
50A
60A (default)
70A
80A
90A
100A
110A
120A
130A
140A
03
AC input voltage range
Appliances (default)
If selected, the transfer time is within
20ms between battery mode and line
mode
UPS
If selected, the transfer time is within
10ms between battery mode and line
mode
04
Power saving mode
enable/disable
Saving mode
disable (default)
If disabled, no matter connected load
is low or high, the on/off status of
inverter output will not be effected.
Saving mode enable
If enabled, the output of inverter will
be off when connected load is pretty
low or not detected.
05
Battery type
AGM (default)
Flooded
User-Defined
If “User-Defined” is selected, battery
charge voltage and low DC cut-off
voltage can be set up in program 26,
27 and 29.
06
Auto restart when overload
occurs
Restart disable
(default)
Restart enable
07
Auto restart when over
temperature occurs
Restart disable
(default)
Restart enable
08
Output voltage
220V
230V (default)
240V

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09
Output frequency
50Hz (default)
60Hz
11
Maximum utility charging
current
2A
10A
20A
30A (default)
40A
50A
60A
12
Setting voltage point back
to utility source when
selecting “SBU priority” or
“Solar first” in program 01.
44V
45V
46V (default)
47V
48V
49V
50V
51V
13
Setting voltage point back
to battery mode when
selecting “SBU priority” or
“Solar first” in program 01.
Battery fully charged
48V
49V
50V
51V
52V
53V
54V (default)
55V
56V
57V
58V