SAJ H2 User Manual

H2 Series
H2 Series
SAJ HYBRID SOLAR INVERTER
Tel: (86)20 66608588
GUANGZHOU SANJING ELECTRIC CO.,LTD
Fax: (86)20 66608589
Web: www.saj-electric.com
Add: SAJ Innovation Park,No.9, Lizhishan Road,Science City, Guangzhou High-tech Zone , Guangdong, P.R.China
V0.2
USER MANUAL
H2-5~10K-S3
H2 Series
Preface
Thank you for choosing SAJ products. We are pleased to provide you first-class products and
exceptional service.
This manual includes information for installation, operation, maintenance, trouble shooting and safety.
Please follow the instructions of this manual so that we can ensure delivery of our professional guidance
and wholehearted service.
Customer-orientation is our forever commitment. We hope this document proves to be of great
assistance in your journey for a cleaner and greener world.
Please check for the latest version at www.saj-electric.com.
Guangzhou Sanjing Electric Co., Ltd.
H2 Series
TABLE OF
CONTENTS
4.2 Installation Method and Position ...................................................................................................................... 15
4.2.1 Installation Position and Clearance ........................................................................................ 15
4.2.2 Mounting Method ....................................................................................................................... 16
4.3 Mounting Procedure ............................................................................................................................................. 17
4.3.1 Installation Tools.......................................................................................................................... 17
4.3.2 Mounting Procedure................................................................................................................... 18
5. ELECTRICAL CONNECTION .................................................................................................................21
5.1 Additional Grounding Cable ............................................................................................................................... 22
5.2 AC Grid Wire and Backup Output Connection .............................................................................................. 23
5.2.1 Multiple Inverter Combinations ............................................................................................... 25
1. SAFETY PRECAUTIONS .......................................................................................................................... 1
5.3 PV Side Connection............................................................................................................................................... 26
1.1 Scope of Application ...............................................................................................................................................2
5.3.1 PV Connector Assembly ............................................................................................................ 27
1.2 Safety Instructions ...................................................................................................................................................2
5.4 Communication Connection ............................................................................................................................... 30
1.3 Target Group .............................................................................................................................................................2
5.5 Connection Battery COMM Cable ..................................................................................................................... 31
5.6 Connecting Battery Power Cable ...................................................................................................................... 32
2. PREPARATION ......................................................................................................................................... 3
5.7 Battery Connection ............................................................................................................................................. 32
2.1 Safety Instructions ...................................................................................................................................................4
5.8 System Connection ............................................................................................................................................... 35
2.2 Explanations Of Symbols .......................................................................................................................................5
5.9 System Connection Diagram .............................................................................................................................. 37
5.10 AFCI (Optional) .................................................................................................................................................... 37
3. PRODUCT INFORMATION ...................................................................................................................... 7
3.1 Application Scope of Products .............................................................................................................................8
6. COMMISSIONING ...................................................................................................................................39
3.2 Specification for Product Model ..........................................................................................................................8
6.1 Start Up and Shut Down the Energy Storage System ................................................................................ 40
3.3 Overview of Product ...............................................................................................................................................9
6.1.1 Start Up .......................................................................................................................................... 40
3.4 Terminals Description .............................................................................................................................................9
6.1.2 Shut Down ..................................................................................................................................... 40
3.5 Datasheet ................................................................................................................................................................ 11
6.2 Introduction of Human-computer Interface .................................................................................................. 40
6.3 Commissioning ....................................................................................................................................................... 42
4. INSTRUCTIONS FOR INSTALLATION..................................................................................................13
6.4 eSAJ APP Connection ........................................................................................................................................... 42
4.1 Unpacking and Inspection .................................................................................................................................. 14
6.4.1 Account Login .............................................................................................................................. 42
4.1.1 Checking the Package ............................................................................................................... 14
6.4.2 Local Connection ......................................................................................................................... 44
4.1.2 Scope of Delivery ........................................................................................................................ 14
6.4.3 Inverter Setting Review ............................................................................................................. 46
H2 Series
6.5 Working Modes ..................................................................................................................................................... 47
6.5.1 Selecting Working Modes Procedures .................................................................................. 47
6.5.2 Working Modes Instruction ...................................................................................................... 47
6.6 Export Limit Setting ............................................................................................................................................. 48
6.6.1 APP Setting ................................................................................................................................... 49
6.7 Self-test (For Italy)................................................................................................................................................ 50
6.8 Setting Reactive Power Control (For Australia) ............................................................................................ 52
6.8.1 Setup Fixed Power Factor Mode ............................................................................................ 52
6.8.2 Setup V-Watt and Volt-Var Mode ......................................................................................... 53
7. TRANSPORTATION and DISPOSAL ....................................................................................................57
7.1 Transportation ....................................................................................................................................................... 58
7.2 Recycling and Disposal ........................................................................................................................................ 58
8. ROUTINE MAINTENANCE.....................................................................................................................59
9. TROUBLESHOOTING and WARRANTY ..............................................................................................61
H2 Series
1.1 Scope of Application
1.
This User Manual describes instructions and detailed procedures for installing, operating, maintaining, and
troubleshooting of the following SAJ products:
H2-5K-S3; H2-6K-S3; H2-7K-S3; H2-8K-S3; H2-10K-S3
1.2 Safety Instructions
DANGER
· DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury.
WARNING
·WARNING indicates a hazardous situation which, if not avoided, can result in death or serious injury or moderate injury.
CAUTION
· CAUTION indicates a hazardous condition which, if not avoided, can result in minor or moderate injury.
SAFETY
PRECAUTIONS
1
NOTICE
· NOTICE indicates a situation that can result in potential damage, if not avoided.
1.3 Target Group
Only qualified electricians who have read and fully understood all safety regulations in this manual can
perform installation and maintenance. Operators must be aware of the high-voltage device.
2
H2 Series
2.1 Safety Instructions
2.
For safety, be sure to read all the safety instructions carefully prior to any works, and please observe the
appropriate rules and regulations of the country or region where you installed the energy storage system.
DANGER
· There is possibility of dying due to electrical shock and high voltage.
· Do not touch the operating component of the inverter; it might result in burning or death.
· To prevent risk of electric shock during installation and maintenance, please make sure that all AC and DC terminals
are plugged out.
· Do not touch the surface of the equipment while the housing is wet, otherwise, it might cause electrical shock.
· Do not stay close to the equipment while there are severe weather conditions including storm, lighting, etc.
· Before opening the housing, the SAJ inverter must be disconnected from the grid and PV generator; you must wait
for at least five minutes to let the energy storage capacitors completely discharged after disconnecting from power
source.
WARNING
·The installation, service, recycling and disposal of the inverters must be performed by qualified personnel only in compliance
with national and local standards and regulations.
·Any unauthorized actions including modification of product functionality of any form may cause lethal hazard to the operator,
third parties, the units or their property. SAJ is not responsible for the loss and these warranty claims.
·The SAJ inverter must only be operated with PV generator. Do not connect any other source of energy to the SAJ inverter.
·Be sure that the PV generator and inverter are well grounded in order to protect properties and persons.
PREPARATION
CAUTION
·The inverter will become hot during operation. Please do not touch the heat sink or peripheral surface during or shortly after
operation.
·Risk of damage due to improper modifications.
NOTICE
·The inverter is designed to feed AC power directly to the public utility power grid; do not connect AC output of the inverter to
any private AC equipment.
3
4
H2 Series
2.2 Explanations of Symbols
Symbol
Description
Dangerous electrical voltage
This device is directly connected to public grid, thus all work to the battery shall only be carried out
by qualified personnel.
No open flames
Do not place or install near flammable or explosive materials.
Danger of hot surface
The components inside the battery will release a lot of heat during operation. Do not touch metal
plate housing during operating.
Attention
Install the product out of reach of children
An error has occurred
Please go to Chapter 7 “Troubleshooting” to remedy the error.
This device shall NOT be disposed of in residential waste
This battery module shall NOT be disposed of in residential waste
CE Mark
Equipment with the CE mark fulfills the requirements of the Low Voltage Directive and Electro
Magnetic Compatibility.
Recyclable
5
6
H2 Series
3.1 Application Scope of Products
3.
H2 series is a hybrid photovoltaic inverter and it is applicable to both on-grid and off-grid solar systems. The
energy generated by PV system will be fed to loads first, and then the surplus energy can charge the battery
for later use, if there is still excess more energy, it will be exported to the grid. H2 inverter can significantly
improve the self-consumption rate of solar energy and lower the dependency on grid.
3.2 Specification for Product Model
H2 – XK – S3
①
②
③
① H2 represents for product name.
② XK represents rated energy XkW of inverter, for example, 5K means 5kW.
PRODUCT
INFORMATION
7
③ S3 means single phase with 3MPPT
8
H2 Series
3.3 Overview of Product
Code
Name
A
DC Switch
B
DC Input
C
DC Input
D
DC Input
E
Battery Input
F
BMS/ CAN/ EMS/ METER/ DRM
G
CT/ Inverter Parallel port
H
Release Valve
I
4G/ Wi-Fi
J
Ground Connection
K
Grid
L
Backup
Table 3.1
Figure 3.1
Terminals description
Dimensions of inverter
3.4 Terminals Description
Figure 3.2
Electrical interface of H2 Inverter
9
10
H2 Series
3.5 Datasheet
Model
Model
H2-5K-S3
H2-6K-S3
H2-7K-S3
H2-8K-S3
H2-10K-S3
7500
9000
10500
12000
15000
DC Input
Max. PV Array Power [Wp]@STC
Max. DC Voltage [V]
600
MPPT Voltage Range [V]
360
Start Voltage [V]
100
Max. DC Input Current [A]
Max. Charging/Discharging Current [A]
Integrated
Anti-islanding Protection
Integrated
LiFePO4
AFCI Protection
Optional
85~450
RSD Protection
Optional
Interface
8000
10000
Max. Apparent Power [VA]
5500
6600
7700
8800
10000
Rated Current [A]
21.7
26.1
30.4
34.8
43.5
Max. AC Output Current to Utility Grid [A]
25
30
35
40
45.5
Current Inrush[A]
150
Max. AC Fault Current[A]
130
75
88
100
100
L+N+PE, 220, 230, 240/180~280
50,60/45~55,55~65
MC4/D4(Optional)
AC Connection
Plug-in connector
Battery Connection
Quick connector
Display
Communication
<3%
L+N+PE, 220, 230, 240/180~280
Rated Input Frequency [Hz]
50,60
Operating Temperature Range
Natural Convection
Ambient Humidity
0-100% Non-condensing
52.2
60.9
69.6
69.6
Max. Output Power [VA]
5000
6000
7000
8000
10000
Max. Output Current [A]
22.7
27.3
31.8
36.4
45.5
4000m (>3000m Power Derating)
Noise [dBA]
<35
Ingress Protection
IP65
Weight [kg]
43.5
Non-isolated
-40℃ to +60℃ (45℃ and above with derating)
Cooling Method
Dimensions [H*W*D] [mm]
AC Output [Back-up]
LED+APP
Wi-Fi/Ethernet/4G(Optional)
General Parameters
Altitude
0.8 leading～0.8 lagging
Rated AC Voltage/Range [V]
11
PV Connection
Topology
AC Input [On-grid]
Max. Input Current [A]@230Vac
97.0%
Integrated
7000
Total Harmonic Distortion [THDi]
97.6%
Euro Efficiency
AC Surge Protection
6000
Power Factor [cos φ]
Max. Efficiency
Integrated
5000
Rated Output Frequency/Range [Hz]
<3%
DC Surge Protection
Rated AC Power [W]
63
50,60/45～55,55～65
Integrated
50/50
Rated AC Voltage/Range [V]
12000,60s
L+N+PE, 220, 230, 240/180~280
AC Short Circuit Current Protection
AC Output [On-grid]
Max. AC Over Current Protection[A]
H2-10K-S3
9600,60s
Integrated
Battery Parameters
Battery Voltage Range [V]
H2-8K-S3
8400,60s
Over Load Protection
3
Battery Type
Output THDv (@ Linear Load)
H2-7K-S3
72000,60s
Battery Input Reverse Polarity Protection
19.2/19.2/19.2
No. of MPPT
Rated Output Frequency/Range [Hz]
H2-6K-S3
6000,60s
Protection
16/16/16
Max. DC Short Circuit Current [A]
Rated AC Voltage/Range [V]
H2-5K-S3
Efficiency
90~550
Rated DC Voltage [V]
Peak Output Apparent Power [VA]
Warranty [Year]
Standard
430.5* 549 *223
26
Refer to the warranty policy
CEI 0-21, VDE4105-AR-N, VDE0126-1-1, EN50438, G98, G99, EN50549, AS4777.2, IEC62109-1&-2, IEC62040-1 ,
EN61000-6-1/2/3/4
12
H2 Series
4.1 Unpacking and Inspection
4.1.1 Checking the Package
4.
INSTRUCTIONS FOR
INSTALLATION
Although SAJ’s products have thoroughly tested and checked before delivery, there is possibility that the
products may suffer damages during transportation. Please check the package for any obvious signs of
damage, and if such evidence is present, do not open the package and contact your dealer as soon as
possible.
4.1.2 Scope of Delivery
Please contact after sales if there are missing or damaged components.
Inverter Package
Hexagon Philips bolt
group M5*12 1PCS
H2 Inverter*1
Sunk screw M4*10
Waterproof
PV terminal 3*2
Documents
AC terminal*6
Current transformer*1
120Ω resistor*1
Rear Panel*1
terminal block*1
12PCS
Battery terminal 1*2
communication
M6*50 screw suite*4
Communication module*1
Waterproof AC
(Optional)
terminal block*1
Smart meter*1
Meter COMM cable*1
(1000mm)
The documents include the user manual and packaging list.
13
14
H2 Series
4.2 Installation Method and Position
4.2.2 Mounting Method
4.2.1 Installation Position and Clearance
This device is cooled by natural convention and suggested an indoor installation or an installation under a
sheltered place to prevent the product from exposure to direct sunlight, rain and snow erosion.
Figure 4.1
Keep away from sunlight
Keep dry
Keep it clear of snow
Sun
Rain
Accmulated snow
Installation location
Please reserve enough clearance around the product to ensure a good air circulation at the installation area.
Because poor air ventilation will affect the working performance of internal electronic components and
50CM
shorten the service life of the system.
Figure 4.3
Mounting method
① The equipment employs natural convection cooling, and it can be installed indoor or outdoor.
② Mount vertically. Never install the device tilted forwards, sideways, horizontally or upside down.
30CM
50CM
50CM
③ When mounting the device, please consider the solidity of wall for product, including accessories, make
sure the wall has enough strength to hold the screws and bear the weight of products. Please ensure the
mounting bracket mounted tightly.
Installation Environment Requirements
50CM
• The installation environment must be free of inflammable or explosive materials.
Figure 4.2
Installation clearance
15
• Install the device away from heat source.
• Do not install the device at a place where the temperature changes extremely.
• Keep the device away from children.
16
H2 Series
• Do not install the device at daily working or living arears, including but not limited to the following areas:
4.3.2 Mounting Procedures
bedroom, lounge, living room, study, toilet, bathroom, theater and attic.
• When installing the device at the garage, please keep it away from drive way.
1. Mark the Positions of the Drill Holes on the Rear Panel
• Keep the device from water sources such as taps, sewer pipes and sprinklers to prevent water seepage.
The mounting position should be marked as shown in the following figure.
• The product is to be installed in a high traffic area where the fault is likely to be seen.
Note: When installing outdoors, the height of the device from the ground should be considered to prevent the
device from soaking in water. The specific height is determined by the site environment.
360
165
4.3 Mounting Procedure
8
4.3.1 Installation Tools
Installation tools include but are not limited to the following recommended ones. Please use other auxiliary
tools on site if necessary.
16
Figure 4.4
Marker
Measuring tape
Utility knife
Multimeter
Measurement
range: 1100Vdc
Mark positions
Insulated shoes
2. Drill Holes and Place the Expansion Tubes
17
Protective gloves
Dust mask
Earplugs
Goggles
Phillips screwdriver
Wrench
Heat shrink tubing
Heat gun
Hammer drill Drill
bit: Φ10
Rubber mallet
Drill 4 holes in the wall (in conformity with the position marked in Figure 4.4), and then place expansion tubes
in the holes using a rubber mallet.
18
H2 Series
360
4. Mount the Inverter
4-∅8
Carefully mount the inverter into the rear panel as shown in Figure 4.7. Make sure that the rear part of the
equipment is closely mounted into the rear panel.
165
Figure 4.5
Drill holes for installation
3. Secure the Screws and the Rear Panel
Figure 4.7
Mount the inverter
The panels should be secured onto the mounting position by screws as shown in Figure 4.6.
Figure 4.6
Secure the panel
19
20
H2 Series
5.1 Additional Grounding Cable
5.
ELECTRICAL
CONNECTION
21
Electrical connection must only be operated by professional technicians. Before connection, necessary
protective equipment must be employed by technicians, including insulating gloves, insulating shoes and
safety helmet.
WARNING
· Connect this additional grounding cable before other electrical connection.
Note: The additional cable and OT/DT terminal should be prepared by user themselves.
1
2
Figure 5.1
Preparing additional grounding cable
1. Heat shrink tubing
2. OT/DT terminal
Remove the screw of grounding terminal and secure the additional grounding cable by insert a screw into the
screw hole in the OT/DT terminal. Connect the grounding cables as the following diagram.
Note: A 6 mm2 conductor cross-sectional area of cable is recommended for additional grounding cable.
22
H2 Series
Figure 5.2
Connecting the additional
grounding cable
Figure 5.3
5.2 AC Grid Wire and Backup Output Connection
Thread the cables
Step 2: Fix the cables according to conductor marks of L, N and PE.
Cable cross-sectional area（mm²）
Range
Recommend
13~21
16
Additional grounding cable cross-sectional area (mm²): 6
Table 5.1
Recommended specifications of AC cables
Note: If the grid-connection distance is too far, please select an AC cable with larger diameter as per the
actual condition.
Procedure:
Step 1: Open the waterproof cover, feed the AC cable through the AC waterproof hole.
Figure 5.4
Connect the Cables
23
24
H2 Series
Step 3: Secure all parts of the grid and backup connector tightly.
5.2.2 Earth Fault Alarm
This inverter complies with IEC 62109-2 clause 13.9 for earth fault alarm monitoring. If an Earth Fault Alarm
occurs, the ring light will be lit up in red and error code <31> will be displayed on LED panel 1 until the error
being solved and inverter functioning properly.
Note：The inverter cannot be used with functionally earthed PV Arrays.
5.2.3 External AC Circuit Breaker and Residual Current Device
Please install a circuit breaker to ensure the inverter is able to disconnect from grid safely. The integrated
leakage current detector of inverter is able to detect the real time external current leakage. When a leakage
current detected exceeds the limitation, the inverter will be disconnected from grid quickly.
The inverter does not require an external residual current device, as it has integrated with a RCMU. If local
regulations require the application of external residual current device, either type A or type B RCD is
compatible with the inverter. The action current of external residual current device should be 300mA.
Figure 5.4
Screw the Connector
Step 4: During off grid operation time, PE line at the BACK-UP end will remain to be connected with
the PE line at the power grid end inside the inverter. (Only applicable to market in Australia)
Inverter type
Recommended breaker specification
H2-5~10K-S3
100A
Notice: Do not connect multiple inverters to one AC circuit breaker.
Table 5.2
Recommended circuit breaker specification
5.2.1 Multiple Inverter Combinations
Inverter
1 Phase
Inverter
1 Phase
A
B
C
N
Test Circuit
Connection
3 Phase
5.3 PV Side Connection
The inverter should not be installed in multiple phase
combinations. If any such multiple inverter
WARNING
combination is not tested，it should not be used or
· Make sure the PV array is well insulated to ground before connecting it to the inverter.
external devices should be used in accordance with
the requirements of AS/NZS 4777.1
Conductor cross-sectional area of cables（mm²）
Inverter
1 Phase
Scope
Recommended value
4.0~6.0
4.0
Conductor material
Outdoor multi-core copper wire cable, complying
with 600Vdc
Table5.3
Recommended specifications of DC cable
25
26
H2 Series
5.3.1 PV Connector Assembly
3. Assembly the positive and negative cables with corresponding crimping pliers.
WARNING
Dangerous to life due to electric shock when live components or DC cables are touched.
· The PV panel string will produce lethal high voltage when exposed to sunlight. Touching live DC cables results in death or
lethal injures.
· DO NOT touch non-insulated parts or cables
· Disconnect inverter from voltage sources.
· DO NOT disconnect DC connectors under load.
· Wear suitable personal protective equipment for all work.
Figure 5.7
Inserting cables to lock screws
DC connector is made up of positive connector and the negative connector
4. Insert the positive and negative cable into positive and negative connector. Gently pull the cables backward
to ensure firm connection.
Figure 5.5
Positive connector
& Negative connector
NOTICE
· Please place the connector separately after unpacking in order to avoid confusion for connection of cables.
· Please connect the positive connector to the positive side of the solar panels, and connect the negative connector to the
negative side of the solar side. Be sure to connect them in right position.
Connecting Procedures:
1. Loosen the lock screws on positive and negative connector.
2. Strip the insulation of the positive and negative cables with 8-10mm length.
Figure 5.8
Inserting crimped cables to connectors
5.Fasten the lock screws on positive and negative connectors.
positive cable
Figure 5.9
Securing the connectors
negative cable
Figure 5.6
Striping off the insulation skin of cables
27
28
H2 Series
5.4 Communication Connection
6.Make sure the DC switch is at OFF position
Notes:
1. Confirm that the DC switch is OFF during installation to avoid short circuit caused by wrong operation
during battery wiring.
2. Please use the battery cable in original package.
Attention: The meter can only be connected to the RS485-A1+ and RS485-B1- signal ports.
EMS/METER
Figure 5.10
DC switch
7.Connect the positive and negative connectors into positive and negative DC input terminals of the inverter,
a “click” should be heard or felt when the contact cable assembly is seated correctly.
+
PV+
-
PV+
-
PV-
+
PV-
CT
DRM
1
RS485-A1+
1
R/CT.I+
1
DRM1/5
2
RS485-B1-
2
R/CT.1-
2
DRM2/6
3
NC
3
NC
3
DRM3/7
4
NC
4
NC
4
DRM4/8
5
NC
5
NC
5
RefGen
6
NC
6
NC
6
Com/DRM0
7
RS485-A2+
7
NC
7
V+
8
RS485-B2-
8
NC
8
V-
CAN/BMS
PORT0
PORT1
1
NC
1
NC
1
NC
2
NC
2
NC
2
NC
3
NC
3
NC
3
NC
Figure 5.11
4
CANH
4
NC
4
NC
Plug in PV connectors
5
CANL
5
NC
5
NC
6
NC
6
NC
6
NC
7
NC
7
NC
7
NC
8
NC
8
NC
8
NC
29
30
H2 Series
Thread the communication cable through the waterproof cable gland and connect to the corresponding port.
Plug in the communication module to 4G/WIFI port and secure the module by rotating
the nut.
1. 4G/Wi-Fi port could be externally connected with eSolar 4G module, eSolar Wi-Fi module or eSolar AIO3
module, for operation in details please refer to communication module Quick Installation Guide in
https://www.saj-electric.com/ .
5.6 Connecting Battery Power Cable
·
·
Power off the battery system before connecting the power cable to avoid high voltage danger
The electrical connection of high voltage battery systems must be operated by qualified technicians in accordance with
local and national power grid standards and regulations.
Figure 5.12
Communication cable connection
5.7 Battery Connection
5.5 Communication Module Installation
If lithium battery is connected, it is not required to install a breaker between battery and inverter.
Cable Cross-sectional area（mm²）
Range
Recommend
8~10
8
Table 4.4
Recommended specifications of DC cables
Figure 5.13
4G/WiFI port
31
32
H2 Series
Procedure：
1. Open the waterproof cover, then feed the battery cable through the AC waterproof hole.
Figure 5.14
3.Fix the battery cable on the battery copper terminal by positive and negative in order.
Figure 5.15
Open the waterproof cover
Connecting battery power cables
4. Follow the clause 5.4 communication connection to check or install the BMS connection between inverter
and battery in proper port.
2.Strip off the insulation skin of DC cable, the core is exposed to 15mm,
• Open the spring using a 3mm wide bladed screwdriver .
• Carefully insert the stripped wire all the way in
• The wire ends have to be visible in the spring.
• Close the spring. Make sure that the spring is snapped in
• Push the insert into the sleeve
• Tighten the cable gland
Inverter
BMS/CAN BAT+
BAT-
BATCOMM
BAT+
Figure 5.16
communication connection
Figure 5.15
Battery Terminal
33
34
H2 Series
5.8 System Connection
35
The system connection for grid system without special requirements is as below.
The system connection in Germany, Australia and New Zealand is as below, the neutral cable of AC and
Note：The backup PE line and earthing bar must be grounded properly. Otherwise, backup function may be
backup side must be connected together for the safety reason.
Note: DO NOT connect the PE terminal of BACKUP side.
inactive during blackout.
36
H2 Series
5.9 System Connection Diagram
Note: If the RS485 cable length between inverter and meter is longer than 20m, please install the 120Ω resistor in port 24&25 of the meter.
5.10 AFCI (Optional)
The inverter is equipped with arc-fault circuit interrupter (AFCI). With AFCI protection, when there is an arc
signal on the DC side due to aging of the cable or loose contact, inverter can quickly detect and cut off the
power to prevent fire, making the PV system run more safely.
37
38
H2 Series
6.
6.1 Start Up and Shut Down the Energy Storage System
6.1.1 Start Up
Step 1: Turn on the circuit breaker
Step 2: Press and hold the main switch for 2-3s，until the display is on
6.1.2 Shut Down
Automatically shut down, when the solar light intensity is not strong enough during sunrise and sunset or the
output voltage of photovoltaic system is less than the minimum input power of inverter, inverter will shut
down automatically.
Shut down manually, disconnect AC side circuit breaker first, if multiple inverters are connected, disconnect
the minor circuit breaker prior to disconnection of main circuit breaker. Disconnect the DC switch after
inverter has reported grid connection lost alarm.
6.2 Introduction of Human-Computer Interface
System commissioning
COMMISSIONING
After the wiring is completed, please refer to the inverter manual for system commission and operation.
Note: Turn on the circuit breaker and main switch when using battery.
Figure 6.3
Human-computer interface
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LED indicator
Description
Status
LED off
Breathing
Solid
LED indicator
Status
Description
Communication
On 1s, off 3s
Meter communication is lost, BMS communication is good
Off
Both meter and BMS communication are lost
Solid
Connected
On 1s, off 1s
Connecting
Off
Disconnected
Inverter power off
Inverter is at initial state or standby state
Inverter running properly
Cloud
Table 6.1
Interface description
Breathing
System
Battery
Grid
Solid
Inverter is faulty
Solid
Importing electricity from grid
On 1s, off 1s
Exporting electricity to grid
On 1s, off 3s
Not importing and exporting at all
Backup
6.3 Commissioning
(1) Connect the AC circuit breaker
(2) Connect the DC circuit breaker between inverter and battery (if applicable)
(3) Turn ON the battery (if applicable)
Off-grid
Solid
Battery is discharging
On 1s, off 1s
Battery is charging
(5) Install the communication module into the inverter
On 1s, off 3s
SOC low
(6) Setup the initial setting for inverter on eSAJ Home
Off
Battery is disconnected or inactive
Solid
Connected to grid
(4) Turn ON the DC switch on the inverter
(7) Observe the LED indicators on the inverter to ensure the inverter is running properly
On 1s, off 1s
Counting down to grid connection
6.4 eSAJ APP Connection
On 1s, off 3s
Grid is faulty
6.4.1 Account Login
Off
No grid
Step 1: Log in to eSAJ Home, if you do not have an account, please register first.
Solid
PV array is running properly
Step 2: Go to the “Tool” interface and select “Remote Configuration”
PV array is faulty
Step 3: Click on “Bluetooth” and activate the Bluetooth function on your phone, then click on “Next”
Off
PV array is not operating
Solid
AC side load is running properly
On 1s, off 1s
AC side load overload
Off
AC side is turned off
Solid
Both BMS and meter communication are good
On 1s, off 1s
41
Note: One breathing cycle is 6 seconds.
Off
On 1s, off 1s
PV
Inverter is upgrading
Step 4: Choose your inverter according to your inverter SN’s tail numbers
Step 5: Click on the inverter to enter inverter setting
Step 6: Select the corresponding country and grid code for
Meter communication is good, BMS communication is lost
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H2 Series
6.4.2 Local Connection
Step 1: Open eSAJ APP and click on the dot icon on the top right corner
Step 2: Select “Local Connection”
Step 3: Enter password “123456”
Step 4: Click on “Bluetooth” and activate the Bluetooth function on your phone, then click on “Next”
Step 5: Choose your inverter according to your inverter SN’s tail numbers
Step 6: Click on the inverter to enter inverter setting
Step 7: Select the corresponding country and grid code for
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6.4.3 Inverter Setting Review
After commissioning, the device info including device basic info, running info and event info can be viewed.
Country and grid code can be viewed from initial setting.
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6.5 Working Modes
6.6 Export Limit Setting
6.5.1 Selecting Working Modes Procedures
6.5.2 Working Modes Introduction
Self-consumption Mode: When the solar is sufficient, electricity generated by photovoltaic system will be supplied to load
first, the surplus energy will be stored in battery, then the excess electricity will be exported to the grid. When the solar is
Note: If the RS485 cable length between inverter and meter is longer than 20m, please install the 120Ω resistor in port 24&25 of the meter.
insufficient, the battery will release electricity to supply load.
Back-up Mode: Reserved Backup SOC setting value can be adjusted, when battery SOC is less than reserved SOC value,
battery can only be charged, until SOC reaches reserved value, the battery will be stopped charging; when SOC is larger
than SOC setting value, battery will behave as Self-use mode.
Time-of-use Mode: Battery charging period and discharging period can be set , during charging period, battery can only be
charged, while in discharging period, battery can only be discharged, the rest of the period, battery will behave as Self-use
mode.
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6.7 Self-test (For Italy)
6.6.1 APP Setting
Italian Standard CEI0-21 requires a self-test function for all inverter that connected to utility grid. During the self-testing
time, inverter will check the reaction time for over frequency, under frequency, overvoltage and undervoltage. This
self-test is to ensure the inverter is able to disconnect from grid when required. If the self-test fails, the inverter will not
able to feed into the grid.
The steps of running Self-test are as followed:
Step 1: Connect a communication module (Wi-Fi/ 4G/Ethernet) with inverter (connection procedure can refer to eSolar
Module Quick Installation Manual)
Step 2: Select Italy for Country and choose your corresponding Grid Code from Initial Setting.
There are two methods to control the export limit, the two methods are alternative to each other.
Method 1: Export limitation setting is to control the export electricity to the grid.
Method 2: Generation limit is to control the electricity generated by the inverter.
Step 3: You can choose self-test item required. Individual self-test time is approx. 5 minutes. All self-test time is approx. 40
minutes. After the self-test is completed, you can save the test report. If self-test is failed, please contact with SAJ or your
inverter supplier.
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6.8 Setting Reactive Power Control
(For Australia)
6.8.1 Setup Fixed Power Factor Mode & Fixed Reactive Power Mode
Fixed Power Factor Mode
Step 1: Select Power Adjustment and enter password “201561”.
Step 2: Select Capacitive Power Factor or Inductive Power Factor according to your local grid regulation. The power factor
range is from 0.8 leading ~ 0.8 lagging.
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H2 Series
Fixed Reactive Power Mode
Figure 6.2
Curve for a Volt-Watt response mode (AS4777 Series)
Figure 6.3
Curve for a Volt-Var control mode (AS4777 Series)
Step 1: Select Inductive Adjustment Var or Capacitive Var according to your local grid regulation. The power range is from
-60%Pn ~ 60%Pn.
Setting procedure：
1. AS4777 grid compliance has been set during production, please select corresponding grid compliance according to state
regulation during installation. You can choose a state regulation compliance with your local grid via eSAJ Home.
6.8.2 Setup V-Watt and Volt-Var Mode
This inverter complies with AS/NZS 4777.2: 2020 for power quality response modes. The inverter satisfies different regions
2. Log in to eSAJ Home, click “Local Connection”, for connection procedure please refer to chapter 5.3 for Nearby
monitoring.
3. Click “V-Watt/V-Var” to enter DNSPs settings, choose a suitable state regulation from the drop down list.
of DNSPs' grid connection rules requirements for volt-watt and volt-var Settings. e.g.: AS4777 series setting as below Fig
6.2&6.3.
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Note:
With regard to the Power rate limit mode, SAJ sets the product WGra to 16.67%Pn by default in the following cases
according to the requirements of 3.3.5.2 as 4777.2: 2020.
1. Soft ramp up after connect.
2. Reconnect or soft ramp up/down following a response to frequency disturbance.
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7.1 Transportation
7.
TRANSPORTATION
&DISPOSAL
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Take care of the product during transportation and storage, keep less than 4 cartons of inverter in one
stack.
7.2 Recycling and Disposal
This device should not be disposed as residential waste. An inverter that has reached the end of its life and
is not required to be returned to your dealer, it must be disposed carefully by an approved collection and
recycling facility in your area.
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H2 Series
Inverter Cleaning
8.
Clean the enclosure lid and LED indicator of the inverter with moistened cloth with clear water only. Do not
use any cleaning agents as it may damage the components.
Heat Sink Cleaning
Clean the heat sinks with dry cloth or air blower. Do not clean the heat sink with water or cleaning agents.
Make sure there is enough space for ventilation of inverter.
ROUTINE
MAINTENANCE
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Troubleshooting
9.
TROUBLESHOOTING
& WARRANTY
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Code
Fault Information
Code
Fault Information
37
Master Islanding Error
38
Master HW Bus Voltage High
39
Master HW PV Current High
40
Master Self-Test Failed
41
Master HW Inv Current High
42
Master AC SPD Error
43
Master DC SPD Error
44
Master Grid NE Voltage Error
45
Master Fan1 Error
46
Master Fan2 Error
47
Master Fan3 Error
48
Master Fan4 Error
1
Master Relay Error
2
Master EEPROM Error
3
Master Temperature High Error
4
Master Temperature Low Error
5
Lost Communication M<->S
6
GFCI Device Error
7
DCI Device Error
8
Current Sensor Error
9
Master Phase1 Voltage High
10
Master Phase1 Voltage Low
11
Master Phase2 Voltage High
12
Master Phase2 Voltage Low
13
Master Phase3 Voltage High
49
Lost Communication between Master and
Meter
14
Master Phase3 Voltage Low
50
Lost Communication between M<->S
15
Grid Voltage 10Min High
16
OffGrid Output Voltage Low
51
Lost Communication between inverter and
Grid Meter
17
OffGrid Output Short Circuit
52
HMI EEPROM Error
18
Master Grid Frequency High
53
HMI RTC Error
19
Master Grid Frequency Low
54
BMS Device Error
21
Phase1 DCV High
55
BMS Lost.Conn
22
Phase2 DCV High
56
CT Device Err
23
Phase3 DCV High
57
AFCI Lost Err
24
Master No Grid Error
58
Lost Com. H<->S Err
27
GFCI Error
28
Phase1 DCI Error
59
Lost Communication between inverter and PV
Meter
29
Phase2 DCI Error
61
Slave Phase1 Voltage High
30
Phase3 DCI Error
62
Slave Phase1 Voltage Low
31
ISO Error
63
Slave Phase2 Voltage High
32
Bus Voltage Balance Error
64
Slave Phase2 Voltage Low
33
Master Bus Voltage High
65
Slave Phase3 Voltage High
34
Master Bus Voltage Low
66
Slave Phase3 Voltage Low
35
Master Grid Phase Lost
67
Slave Frequency High
36
Master PV Voltage High
68
Slave Frequency Low
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Code
Fault Information
73
Slave No Grid Error
74
Slave PV Input Mode Error
75
Slave HW PV Curr High
76
Slave PV Voltage High
77
Slave HW Bus Volt High
81
Lost Communication D<->C
83
Master Arc Device Error
84
Master PV Mode Error
85
Authority expires
86
DRM0 Error
87
Master Arc Error
88
Master SW PV Current High
89
Battery Voltage High
90
Battery Current High
91
Battery Charge Voltage High
92
Battery OverLoad
93
Battery SoftConnet TimeOut
94
Output OverLoad
95
Battery Open Circuit Error
96
Battery Discharge Voltage Low
Warranty
Please go to SAJ website for warranty conditions and terms
https://www.saj-electric.com/
Please contact your supplier for troubleshooting and remedy.
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