Growatt SPH Series hybrid inverters are feature-rich devices designed for residential and commercial applications. With their wide power range (3kW to 10kW), they can handle various system sizes, providing seamless integration of solar power and battery storage. The inverters boast high efficiency, allowing for maximum energy production from solar panels. Additionally, the built-in energy management system enables self-consumption optimization, ensuring efficient usage of generated solar power.
Growatt SPH Series hybrid inverters are feature-rich devices designed for residential and commercial applications. With their wide power range (3kW to 10kW), they can handle various system sizes, providing seamless integration of solar power and battery storage. The inverters boast high efficiency, allowing for maximum energy production from solar panels. Additionally, the built-in energy management system enables self-consumption optimization, ensuring efficient usage of generated solar power.
14/02/2023
for Hybrid Inverters
Versie 0.1.5
Growatt New
Energy B.V.
Installation Guide
1
Introduction
In this installation guide we will give you a step-by-step overview on how to install a hybrid
inverter. The focus will be on how to install the Smart Meter and connect the inverter to the
battery.
Table of Contents
Introduction ........................................................................................................................... 1
Hybrid inverter & AC coupler/retrofit models ......................................................................... 2
MIN 2500-6000TL-XH ....................................................................................................... 2
Installing ARK 2.5H-A1 Batteries and Connecting the BMS ........................................... 3
MOD 3000-10000TL-XH .................................................................................................... 8
Installing ARK 2.5H-A1 Batteries and Connecting the BMS ........................................... 9
Meter Installation .......................................................................................................... 12
General tips for hybrid inverters ....................................................................................... 14
BMS error .................................................................................................................... 16
Difference in battery voltage or too deeply discharged batteries .................................. 16
2
Hybrid inverter & AC coupler/retrofit models
Growatt has a wide assortment of hybrid inverters and AC couplers. This guide will discuss
the necessities and step-by-step installation for the following models:
- MIN 2500-6000TL-XH / MIN 2500-6000TL-XA
- MOD 3000-10000TL3-XH
- SPH 3000-6000 BL / BL-UP
- SPH 5000-10000 BH / BH-UP
- SPA 5000-10000 BH / BH-UP
Please note that Growatt cannot guarantee the system will work properly if batteries from a
3rd party is used.
MIN 2500-6000TL-XH
The MIN TL-XH/XA inverters use the same XH battery system with BMS controller BDC-
95045-A1 and ARK 2.5H-A1. All our inverters are compatible with the same
meters. See the tables below for an overview of compatible batteries
and meters.
BATTERY COMPATIBILITY
At this moment in time (May 2023) the MIN-XH are only compatible with
Growatt ARK-HV batteries. Support for different types of batteries will be
announced at a later date.
BMS controller
BDC 95045-A1
Supports 2-7 batteries
Battery
ARK 2.5H-A1
Needs at least 2 batteries
Battery Base
ARK Battery Base
Necessary to install the batteries on the ground as is
recommend.
Battery Cable
ARK XH Battery
Cable
Every system needs 1 battery cable to connect the inverter to
the BMS controller
Series cable
ARK 2.5H-A1
Series cable
Only necessary to connect a 2nd set/base of ARK 2.5H-A1
batteries
3
METER COMPATIBILITY
Brand
meter
Type
Sold as
Connection
Suited for
delta/split
phase
COM
adres
RS485A
place
RS485B
place
Eastron
SDM230
SPM
In-line
No
1
5 / A
6 / A
SDM630V2
TPM
In-Line
Yes
2
A
B
SDM630CT
TPM-CT
External CT
No
2
A
B
Chint
DDSU666
SPM
In-Line
No
3
24
25
DTSU666
TPM
In-Line
Yes
4
24
25
DTSU666CT
TPM-CT
External CT
No
4
24
25
It is recommended to check if the right equipment has been bought and delivered to the
client.
Installing ARK 2.5H-A1 Batteries and Connecting the BMS
The connection of the ARK2.5H-A1 batteries is shown below. Make sure that the cables are
facing the right orientation. After securely connecting, there is a ‘click’ sound.
4
The cable can be removed by pressing the buttons on the side and pulling softly. If placing
and removing the cable takes a lot of force, you are probably placing it in the wrong
orientation or you are using the wrong cable, and it may damage the connectors.
IMPORTANT: Do not forget to plug in the Insert plug
in the last battery. If the Insert plug is not connected,
the system will not work correctly.
TIP: If the Insert plug is missing, you can make one
yourself by taking the end of a standard RJ45
connector, and shorting pin 4 and 5, while leaving the
rest unconnected/open.
The communication cable from the BMS goes from the BMU
port to Link 0 of the first battery. Please make sure all cables
are properly inserted.
The INV port on the BMS leads to the SYS COM
port of the inverter.
5
In case the communication cable towards the inverter is missing, you can use a standard
RJ45/CAT cable. To connect to the inverter, you will need to connect White Orange to Pin 1,
Orange to Pin 2, White Brown to Pin 7, Brown to Pin 8, as shown above, and the associated
definition of the numbering of the pins is defined below:
6
7
After everything has been properly connected the battery can be turned on. If everything has
been properly connected, you will now see information regarding the battery if you go to
‘Storage Parameters’ on the inverter.
8
MOD 3000-10000TL-XH
The MOD 3000-10000TL-XH inverters are the higher power three phase counterparts to the
MIN-XH. Compatiple with the ARK-XH battery system as well as the upcoming APX battery
series.
METER COMPATIBILITY
Brand
meter
Type
Sold as
Connection
Suited for
delta/split
phase
COM
adres
RS485A
place
RS485B
place
Eastron
SDM630V2
TPM
In-Line
Yes
2
A
B
SDM630CT
TPM-CT
External CT
No
2
A
B
Chint
DTSU666
TPM
In-Line
Yes
4
24
25
DTSU666CT
TPM-CT
External CT
No
4
24
25
BMS controller
BDC 95045-A1
Supports 3-10 batteries
Battery
ARK 2.5H-A1
Needs at least 3 batteries
Battery Base
ARK Battery Base
Necessary to install the batteries on the ground as is
recommend.
Battery Cable
ARK XH Battery
Cable
Every system needs 1 battery cable to connect the inverter to
the BMS controller
Series cable
ARK 2.5H-A1
Series cable
Only necessary to connect a 2nd set/base of ARK 2.5H-A1
batteries
BMS controller
APX 98026
Supports 1-6 batteries
Battery
APX 5.0P HV
Battery
Needs at least 1 batteries
Battery Base
APX 5.0P HV
Battery Base
Necessary to install the batteries on the ground as is
recommend.
Battery Cable
APX 5.0P HV
Battery Cable
Every system needs 1 battery cable to connect the inverter to
the BMS controller
Series cable
APX 5.0P HV
Series cable
Only necessary to connect a 2nd set/base of APX 5.0P HV
Battery batteries
9
Installing ARK 2.5H-A1 Batteries and Connecting the BMS
The connection of the ARK2.5H-A1 batteries is shown below. Make sure that the cables are
facing the right orientation. An audible/tactile click indicates a secure connection
The cable can be removed by pressing the buttons on the side and pulling softly. If placing
and removing the cable takes a lot of force, make sure to check the orientation of the
cabling, as the connectors are keyed with notches to prevent switches polarities and
accidental disconnection during operation.
10
11
IMPORTANT: Do not forget to plug in the Insert plug in
the last battery. If the Insert plug is not connected, the
system will not work correctly.
TIP: If the Insert plug is missing, you can make one
yourself by taking the end of a standard RJ45 connector
and shorting pins 4 and 5.
The communication cable from the BMS goes from the
BMU port to Link 0 of the first battery. Please make sure
all cables are properly inserted.
The INV port on the BMS leads to the SYS COM
port of the inverter.
In case the communication cable towards the inverter is missing, you can use a standard
RJ45/CAT cable. To connect to the inverter, you will need to connect White Orange to Pin
10, Orange to Pin 9, White Brown to Pin 8, Brown to Pin 7, as shown above, and the
associated definition of the numbering of the pins is defined below:
12
Meter Installation
For a properly functioning hybrid system, a working meter is vital. The charging and
discharging of the batteries are based on the measurements of the meter.
Due to ongoing supply chain challenges, two brands of meters are supplied, Eastron and
CHINT, both are functionally identical.
For both the single and three phase inline meters, it is essential that the meter is placed
before any of the local load. Easiest way to ensure this is to place it right after the primary
AC grid connection.
Do keep in mind that the installation of the meters do differ between the two brands. Below
are a summary of their respective manuals
For single phase installations:
For single phase installations, the meters provided as the Growatt SPM are the Eastron
SDM230 and CHINT DDSU666
The EASTRON SDM230 the grid is on the left, the load group on the right. Horizontal wiring
orientation.
13
For the CHINT DDSU666 Grid mains on the bottom, on top the load group. Vertical
orientation.
The standard cable colours are ‘White Blue: A and White Orange: B’. A and B connect to Pin
5 and 6 on the SYS COM port:
For three phase installations
For thee phase installations, Growatt
supplies the Eastron SDM630 and
Chint DTSU666 as the TPM meter.
Keep in mind that for the SDM630 the
Load side is on the bottom, while for
the DTSU666 the load side in on the
topside.
Installation tips for meter connection
When meter and inverter are installed at different places with a distance larger than 15
meters, for instance in the meter box and attic respectively, the following condition is
recommended to ensure minimum data loss:
1. Try to use an Ethernet cable with as this possible otherwise with shielding. Standard
CAT5 cables are not always shielded. If possible, use signal cables or MODBUS
cables.
2. Always use a twisted pair. In a standard Ethernet cable, this is always a white striped
and solid colour cable twisted together.
3. Double-check the meter address selection via the Meter Compatibility table.
14
General tips for hybrid inverters
Here you can find the necessary information for Growatt personnel to understand and
analyze the system. Please check the following steps and provide necessary information
when contacting Growatt for support.
- Connectivity of the system. Bring the device online with a datalogger. This allows
Growatt personnel to retrieve necessary log file and to perform update remotely.
- Provide serial numbers of all components.
- Provide PV voltage, AC voltage measurements.
- Provide individual battery voltage measurements.
- Provide pictures of the full installation.
- Provide the error code information on the LCD display with pictures.
- Provide the time and date when the error first occurs.
After full installation, your COM plugs should look as follows
using standard RJ45 (internet) cabling:
For MIN-XH inverters:
1 - White-orange
2 - Orange
3 - Empty / disconnected
4 - Empty / disconnected
5 - Meter A (on EASTRON port A+, Chint port 24)
6 - Meter B (on EASTRON port B-, Chint port 25)
7 - White-brown
8 – Brown
15
For MOD-XH inverters
Only the top horizontal row is used. Pins 11 through 30 are not used for general
communication or functionalities in Hybrid systems.
1~4 - Empty / disconnected
5 - Meter A (on EASTRON port A+, Chint port 24)
6 - Meter B (on EASTRON port B-, Chint port 25)
7 - Brown
8 - White-brown
9 - Orange
10 - White-orange
16
BMS error
BMS errors may indicate numerous possible causes. Hence, it is important to ensure that
the batteries are under the right working conditions. The follow inspection is to be performed
before contacting Growatt.
1. The voltage level of the battery modules used. The operating voltage range of the
ARK 2.5H-A1 battery is 47.2 - 56.8V. If the battery is under or over voltage, it should
not be used anymore.
2. The voltage difference between each module should be less than 0.5V. If the voltage
difference is higher than 0.5V, the battery may cause errors.
3. Make sure that all connections are fastened. Change cable if necessary.
4. Install proper grounding in the installation. A potential difference between the BMS
and inverter can also cause problems.
5. If online monitoring is not available, a local Firmware update can be performed with
the appropriate files on a USB stick. Always contact Growatt before any update.
Failure to do so may cause damage to the system that is not covered under
warranty.
Difference in battery voltage or too deeply discharged batteries
If the difference between the module is too large, or if the batteries have dropped below 48V
but still, you can fortunately bring them back to normal by charging them with an external
battery charger.
When the module voltage different is too large, or battery voltage is between 36V and 48V, it
is possible to charge the battery back to working voltage range by using a lab DC charger
power supply. Charger should be set to constant voltage 52V with 5A current. Stop charging
when the current reduces to 0.5A.
Measure the voltage after letting the charged battery rest for 2-3 hours. Make sure that the
voltage between battery modules is the same, then place them together with the BMS and
inverter.
Very important: Pay attention to the polarity! Having the polarity inverted can blow up a lab
power supply.
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Growatt SPH Series hybrid inverters are feature-rich devices designed for residential and commercial applications. With their wide power range (3kW to 10kW), they can handle various system sizes, providing seamless integration of solar power and battery storage. The inverters boast high efficiency, allowing for maximum energy production from solar panels. Additionally, the built-in energy management system enables self-consumption optimization, ensuring efficient usage of generated solar power.
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