GOODWE ET Series Hybrid Inverter User Manual

User Manual for GOODWE models including: ET Series, Hybrid Inverter, ET Series Hybrid Inverter

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4 ser Manual V1.-2021-06-15 01 Introduction 1.3 Product Overview [1] GW5KL-ET, GW6KL-ET, GW8KL-ET,GW10KL-ET: optional. The DC switch of the inverters sold in Australia have to be installed by customers.

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3 01 Introduction ser Manual V1.0-2021-06-15 Any installation or operations on the inverter must be performed by qualified electricians in compliance with standards, wiring rules and the requirements of local grid authorities or

User Manual

10.10.100.253. Disable. WiFi Bum-in. WAP/WAP2-PSK. AES. WiFi Bum-in. No router, weak Wi-Fi signal, or the password is not correct.

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GoodWe inverter Manual (engelsk)

User Manual
Hybrid Inverter
ET Series
V1.0-2021-06-15

Content

User Manual V1.0-2021-06-15

TABLE OF CONTENTS
01 Introduction .............................................................. 1
1.1 Operation Modes Introduction................................................................1 1.2 Safety and Warning...................................................................................2 1.3 Product Overview ......................................................................................4
02 Installation Instructions ............................................. 5
2.1 Unacceptable Installations.......................................................................5 2.2 Packing List ................................................................................................6 2.3 Mounting ....................................................................................................6
2.3.1 Select Mounting Location ................................................................................. 6 2.3.2 Mounting ............................................................................................................ 7 2.4 Electrical Wiring Connection ....................................................................9 2.4.1 PE Cable Connection ......................................................................................... 9 2.4.2 PV Wiring Connection .....................................................................................10 2.4.3 Battery Wiring Connection .............................................................................10 2.4.4 On-Grid&Back-up Connection........................................................................12 2.5 Communication Connections.................................................................15 2.5.1 Smart Meter & CT Connections .....................................................................15 2.5.2 BMS Connection...............................................................................................16 2.5.3 COM Terminal Connection..............................................................................17 2.6 Earth Fault Alarm Connection................................................................19
03 MANUAL OPERATION ................................................ 23
3.1 Wi-Fi Configuration .................................................................................23 3.2 PV Master .................................................................................................24
3.2.1 Commissioning via PV Master........................................................................24 3.2.2 Load Control .....................................................................................................25 3.2.3 Battery Ready and Force Charge to Battery.................................................28 3.3 CEI Auto-Test Function ............................................................................29 3.4 Startup/shutdown Procedure ................................................................29 3.5 SEMS Portal ..............................................................................................29
2

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Content

04 OTHER..................................................................... 30
4.1 Error Messages. .......................................................................................30 4.2 Troubleshooting ......................................................................................32 4.3 Disclaimer.................................................................................................36 4.4 Technical Parameters ............................................................................38 4.5 Quick Checklist To Avoid Dangerous Conditions.................................46
Appendix ..................................................................... 47

01 Introduction

User Manual V1.0-2021-06-15

01 Introduction
The ET series, also called hybrid or bidirectional solar inverters, provides energy management in a PV system that includes solar modules, a battery, loads, and utility grid connection. Energy produced by the PV system is prioritized to supply loads and then any excess energy to charge the battery. When the battery is fully charged, excess energy can be exported to the utility grid (if permitted). The inverter power rate limit (WGra) is not applicable to operate the mode of Changes in energy source operation.
The battery shall discharge to support loads when PV power is insufficient to meet selfconsumption needs. If battery power is not sufficient, the system will take power from the utility grid to support loads.
The preceding introduction describes the general operation of the ET system. The operation mode can be changed with the PV Master app based on the system layout. The possible operation modes for the ET system are shown below.

1.1 Operation Modes Introduction
ET system normally has the following operation modes based on your configuration and layout conditions.

Mode I The energy produced by the PV system is used to optimize self-consumption needs. The excess energy is used to recharge the batteries, any remaining excess is then exported to the grid.

Mode II If the PV system is currently not generating any electricity and the battery is charged, loads are supplied with electricity from the battery and the grid.

Mode III (If backup function is included) When the grid fails, the system will automatically switch to back-up mode. The back-up loads can be supplied by both PV and battery energy.

Mode IV Battery could be charged by grid, and charge time/power could be set to various options on the PV Master App.

User Manual V1.0-2021-06-15

01 Introduction

1.2 Safety and Warning

The ET series of inverters from Jiangsu Goodwe Power Supply Technology Co.,Ltd (also called GoodWe) strictlycomplies with related safety rules for product design and testing. Please read and follow all ofthe instructions and cautions appearing on the inverter or in the User Manual during installation, operation and maintenance, as any improper operation might cause personal injury or propertydamage.

WARNING!

These servicing instructions are for use by qualified personnel only. To reduce the risk of electric shock, do not perform any servicing
other than that specified in the operating instructions. Ces instructions d'entretien sont destinées uniquement au personnel
qualifié. Pour réduire le risque de choc électrique, n'effectuez aucun service autre que celui spécifié dans les instructions d'exploitation.

Symbol Explanation

Caution! Failure to observe any warnings contained in this manual may result in injury.

Danger - high voltage and electric shock!

Danger - hot surface!

The components of the product can be recycled.
This side up! This package must always be transported, handled and stored in such a way that the arrows always point upwards.
No more than six (6) identical packages being stacked on each other.

Products shall not be disposed as household waste.
Fragile - The package/product should be handled carefully and never be tipped over or slung.
Refer to the operating instructions.
Keep dry! The package/product must be protected from excessive humidity and must be stored under cover.
This symbol indicates that you should wait at least 5mins after disconnecting the inverter 5min from the utility grid and from the PV panel before touching any inner live parts.
CE mark.

01 Introduction

User Manual V1.0-2021-06-15

Safety Warnings
Any installation or operations on the inverter must be performed by qualified electricians in compliance with standards, wiring rules and the requirements of local grid authorities or companies (such as AS 4777 and AS/NZS 3000 in Australia).
Never insert or remove the AC or DC connections when the inverter is running.
Before making any wiring connections or performing electrical operations on the inverter, all DC and AC power must be disconnected from the inverter for at least 5 minutes to make sure that the inverter is totally isolated to avoid electric shock.
The temperature of the inverter surface can exceed 60 during operation. Make sure it has cooled down before touching it and make sure the inverter is out of reach of children.
Do not open the inverter cover or change any components without manufacturer's authorization. Otherwise, the warranty for the inverter will be invalid.
The usage and operation of the inverter must follow the instructions in this User Manual. Otherwise, the protection design might be impaired and the warranty for the inverter will be invalid.
Appropriate methods must be adopted to protect the inverter from static electricity damage. Any damage caused by static electricity is not warranted by the manufacturer.
PV negative (PV-) and battery negative (BAT-) on inverter side are not grounded as the default design. Connecting either PV- or BAT- to EARTH is strictly forbidden.
Any PV modules used with the inverter must have an IEC61730 class A rating, and the total open-circuit voltage of the PV string/array must be lower than the maximum rated DC input voltage of the inverter. Any damage caused by PV overvoltage is not covered by the warranty.
When exposed to sunlight, the PV array generates dangerous high DC voltages. Please operate the inverter according to these instructions, or danger to life may result.
The inverter, with a built-in RCMU, will prevent the possibility of DC residual currents up to 6mA. Thus, in the system, an external RCD (type A) can be used (30mA).
In Australia, the output of the backup side in the switchbox should be labelled "Main Switch UPS Supply". The output on the normal load side in the switch box should be labelled "Main Switch Inverter Supply".
In Australia, the inverter internal switching does not maintain neutral integrity, which must be addressed by external connection arrangements like in the System connection diagrams.

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1.3 Product Overview

2 3 4 5 678

01 Introduction

9 10

1. DC Switch [1]

PV Input Terminal (PV+/PV-)[2]

3. Battery Terminal(BAT+/BAT-)

Communication 4. Module Port (WiFi or
Bluetooth)

5. COM Terminal

6. METER Communication Port

BMS Communication Port

AC Terminal (ONGRID and BACKUP)

WiFi Reset

10. Indicator

11. PE Terminal

12. Mounting Plate

[1] GW5KL-ET, GW6KL-ET, GW8KL-ET,GW10KL-ET: optional. The DC switch of the inverters sold in Australia have to be installed by customers. If the inverter is not equipped with a DC switch, an external DC breaker shall be added. The
external DC breaker shall be AU/NZ certified; Complied to AS60947.3:2018; Be classified as DC-PV 2; With ratings and properties suitable for the intended application conditions such as outdoor, exposed to sunshine, on non-combustible material surface. [2] GW8KL-ET and GW10KL-ET: 2 x PV+/PV-.

01 Introduction

User Manual V1.0-2021-06-15

LED Indicators

INDICATOR

COLOR

SYSTEM BACK-UP

BATTERY

GRID

ENERGY

COM

STATUS

WiFi

FAULT

EXPLANATION ON = System is ready BLINK = System is starting up OFF = System is not operating ON = Back-up is ready / power available
OFF = Back-up is off / on power available ON = Battery is charging BLINK 1 = Battery is discharging BLINK 2 = Battery is low / soc is low OFF = Battery is disconnected / not active ON = Grid is active and connected BLINK = Grid is active but not connected OFF = Grid is not active ON = Consuming energy from grid / buying BLINK 1 = Supplying energy to grid / zeroing BLINK 2 = Supplying energy to grid / selling
OFF = Grid not connected or system not operating ON = BMS and meter communication ok BLINK 1 = Meter communication ok, BMS communication fail BLINK 2 = BMS communication ok, meter communication fail OFF = BMS and meter communication fail ON = WiFi connected / active BLINK 1 = WiFi system resetting
BLINK 2 = WiFi not connect to router BLINK 4 = WiFi server problem OFF = WiFi not active ON = Fault has occurred BLINK1 = Overload of back-up / Output / reduce load BLINK4 = CT wiring fault OFF = No fault

02 Installation Instructions
2.1 Unacceptable Installations
Please avoid the following installations which will damage the system or the Inverter. The following installations should be avoided. Any damage caused will not be covered by the warranty policy.

Backup

Back-Up

On-Grid

Load For the general version, backup cannot connect in parallel. For advanced applications, please contact our after-sales department.

Single PV string cannot connect to multiple inverters.

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02 Installation Instructions

Smart Meter

Battery

Backup

Load

The Inverter does not support off-grid functions in gridless areas.

One meter cannot be connected
to multiple inverters. Different CTs cannot connect to the same line cable.

One battery bank cannot be connected to multiple inverters.

Generator

Incompatible battery

Backup

On-Grid

The on-Grid or backup side cannot
be connected to any AC generator directly.

Battery
The inverter battery input must not be connected to incompatible batteries.

Backup

On-Grid

The backup side cannot be connected to the grid.

2.2 Packing List
Upon receiving the hybrid inverter, please check if any of the components as shown below are missing or broken.

Inverter

Wall-Mounting Bracket

Smart Meter with 3CT

PV Connectors

&
BAT Connectors

AC Cover

PIN Terminal

Spare Screw

Expansion Bluetooth

Terminal

Bolts (Optional)

COM Module

COM Connector

Documents

2.3 Mounting
2.3.1 Select Mounting Location
For inverter's protection and convenient maintenance, mounting location for inverter should be selected carefully based on the following rules: Rule 1. Any part of this system shouldn't block the switch and breaker from disconnecting the inverter from DC and AC power. Rule 2. Inverter should be installed on a solid surface, where it is suitable for inverter's dimensions and weight. Rule 3. Inverter should be installed vertically with a max rearward tilt of 15°.

02 Installation Instructions

User Manual V1.0-2021-06-15

Rule 4. Ambient temperature should be lower than 45°C (113°F). High ambient temperature will cause power derating of inverter. The temperature and humidity at the installation site should be within the appropriate range (60 °C for outdoor unconditioned with solar effects). Rule 5. It is recommanded that the installation of the inverter should be prevented from direct sunlight, snow, rain and other negative influences which may cause function impact or life aging.

Keep away

Keep it clear

from sunlight

Keep dry

of snow

Sun

Rain

Accmulated snow

Rule 6. Inverter should be installed at eye level for convenient maintenance. Rule 7. Product label on inverter should be clearly visible after installation. Do not damage the lable. Rule 8. Do not install the inverter when it is snowing or raining. If you have to, pay attention to the waterproof and moisture-proof of the inverter and distribution box.
Rule 9. Leave enough space around the inverter according to the below figure for natural heat dissipation.

300mm

200mm

200mm 300mm

Upward ---------- 300mm Downward ------ 500mm Front ------------- 300mm Both sides-------- 200mm

500mm

2.3.2 Mounting The inverter must not be installed near flammable or explosive materials or near equipment with strong electromagnetism.

User Manual V1.0-2021-06-15

02 Installation Instructions

The inverter is suitable for mounting on concrete or other non-combustible surfaces only.
1 Please use the mounting bracket as a template to drill 4 holes in the correct positions (e.g. 10mm in diameter and 80mm in depth). Use the expansion bolts in the accessory box and tightly attach the mounting bracket to the wall.
Note: The bearing capacity of the wall must be greater than 25kg. Otherwise, the wall may not be able to prevent the inverter from dropping.

110mm 120mm

wall bracket expansion pipe

120mm
self-tapping screws 2
Carry the inverter by holding the heat sink on two sides and place the inverter on the mounting bracket.

02 Installation Instructions

User Manual V1.0-2021-06-15

3
The inverters can be locked for anti-theft purposes if this is necessary for individual requirements.

1.2~2N·m
The lock is not included in the package and can be purchased by the user.

2.4 Electrical Wiring Connection

2.4.1 PE Cable Connection

L=L1+(1~2)mm

4 2

1.2~2N·m

· Disconnect the PE cable after dismantling the equipment if needed. · To improve the corrosion resistance of the terminal, it is recommended to apply silica gel or paint on the ground terminal after installing the PE cable.
· The PE cable should be prepared by customers. Recommended specifications: · Type: single-core outdoor copper cable. · Conductor cross-sectional area S4mm2

User Manual V1.0-2021-06-15

02 Installation Instructions

2.4.2 PV Wiring Connection

Before connecting PV panels/strings to the inverter, please make sure all requirements listed below are followed: · The total short-circuit current of a PV string must not exceed the inverter's max DC current. (For models GW8KL-ET and GW10KL-ET, PV2 has 2 pairs of PV connectors which can accept 2PV strings with a total short-circuit current of no more than 22A) · The minimum impedance to earth of the PV module shall be greater than R. R=Max.Input
Voltage (V)/30mA, i.e. R=1100V/30mA=36.7K or R=1000V/30mA=33.4K). · The PV string must not be connected to the earth/grounding conductor. · Use the right PV plugs in the accessory box. (BAT plugs are similar to PV plugs. Please check before using them.)

Note: There are MC4, QC4.10, or Amphenol plugs in the accessory box. The connection details are shown below.

1 Prepare the PV cables and PV plugs.

2.5-4mm2

7mm

2 Connect the PV cable to the PV connectors.

MC4 /QC4.10 Series

AMPHENOL Series

2.5-4mm2

7mm

Note: 1. Please use the PV plugs and connectors from the accessory box. 2. The PV cable should be a standard 2.54mm2.

Note: 1. Crimp the PV cable tightly onto the connectors. 2. For Amphenol connectors, the limit buckle cannot be pressed. 3. There will be a clicking sound if the connectors are inserted correctly into the PV plugs.

3 Screw the cap on and plug it into the inverter side.
Note: There will be a clicking sound if the connectors are inserted correctly into the PV plugs.

MC MC

The polarity of the PV strings must not be connected in a reverse manner. Otherwise, the inverter could be damaged. For the GW8KL-ET and GW10KL-ET models, use two separate PV plugs if the short-circuit current of the PV array connected to inverter's PV2 input is greater than 15A.
2.4.3 Battery Wiring Connection Please be careful of any electric shock or chemical hazards. For batteries without a built-in DC breaker, make sure that an external DC breaker (40A) connected. Make sure the battery is under normal working condition (such as battery voltage and BMS setting etc.) when the inverter and battery is to be used. If you need to use the hybrid inverter as a Grid-tied inverter, please contact GoodWe after-sales.
10

02 Installation Instructions

User Manual V1.0-2021-06-15

Make sure that the battery switch is off and that the nominal battery voltage meets ET series specifications before connecting the battery to the inverter. Make sure the inverter is totally isolated from both PV and AC power. Please strictly follow the requirements and steps listed below. Using inappropriate wires may cause bad contacts and high impedances, which are dangerous for the system.
Use the correct BAT plugs from the accessory box. The maximum battery current is 25A. Please use the tin-plated cables for which the cross section ranges from 4 to 6mm² (AWG 10). The battery cable requirements are shown in Figure 2.4.2-1.

Figure 2.4.2-1

Grade

Description

Value

Outside diameter

5.5-8.0 mm

Conductor core section 4-6 mm2

Conductor core length 15 mm

Battery wiring connection process
1 Open the spring using a screwdriver.
3 Insert the cable gland into the sleeve (C). Tighten the cable gland to 2 Nm torque (D). Use a suitable and calibrated torque wrench, size 15. Use an open-jaw wrench, size 16, to hold the connector in place.
D
Size 15
C 2 Nm

2
Carefully insert the stripped wire with twisted litz wires all the way into (A). The litz wire ends must be visible in the spring. Close the spring. Make sure that the spring is snapped into (B).
B
click!
A

Insert two BAT

connectors into

the inverter BAT

input. There will be

a clicking sound if

the connectors are

BAT

inserted correctly.

02 Installation Instructions

User Manual V1.0-2021-06-15

2.4.4 On-Grid&Back-up Connection
An external AC breaker is needed for on-grid connection to isolate the inverter from the utility grid when necessary. Note: Backup function is optional for the German market, even though the hardware connector is always there. Backup function is standard in all other markets. The requirements for the on-grid AC breaker are shown below.

Inverter Model GW5K/GW5KL-ET GW6.5K/GW6KL-ET GW8K/GW8KL-ET GW10K/GW10KL-ET

AC Breaker SpecifiCcoantdiounctor Core Section(Recommended) 25A/400V (e.g. DZ47-60 C25) 25A/400V (e.g. DZ47-60 C25) 32A/400V (e.g. DZ47-60 C32) 32A/400V (e.g. DZ47-60 C32)

Note: The absence of AC breaker will lead to inverter damage if an electrical short circuit happens on grid side.

1. Use separate AC breakers for individual inverters.
AC breaker AC breaker

2. On the AC side, an individual breaker should be connected between the inverter and grid but before any loads.
AC breaker

Grid

AC breaker

Grid

Load

Requirement of AC cable connected to On-Grid and Back-Up side.
Make sure the inverter is totally isolated from any DC or AC power before connecting the AC cable.

Note: 1. The neutral cable shall be blue, the line cable shall be black or brown (preferred), and the protective earth cable shall be yellow-green. 2. For AC cables, the PE cable shall be longer than the N&L cables. This provides protection in case the AC cable slips or is removed, the ensuring that the earth conductor will be the last cable to take the strain.

1 Prepare the terminals and AC cables according to the correct table.

Grade

Description

Value

Outside diameter

13-18 mm

Separated wire length 20-25 mm

Conductor wire length 7-9 mm

Conductor core section 4-6 mm2

User Manual V1.0-2021-06-15
2
Place the AC cable through the terminal cover as shown in the figure. Note: Please use the terminals in the accessory box.

02 Installation Instructions

Screw Cap The Insulator

Cables

Single Hole Seal Ring

AC Sheet Cover

3 Press the connectors tightly on the cable conductor core. Note: Make sure the cable jacket is not locked within the connector.

4
Use a screwing torque of 2.0 2.5Nm.
1. Connect the assembled AC cables to AC terminals with a fastening torque of approximately 2.0-2.5 Nm. Note: (If the inverter has backup function) Connect the backup terminals before connecting the ongrid terminals. Make sure they are not connected to the wrong side. 2. Lock the cover and screw on the cap.
Special adjustable settings The inverter has a field where the user can set functions, such as trip points, trip time, time of reconnection, active and invalid of QU curve, and PU curve. These functions can be adjusted by using special software. If interested, please contact the after-sales department.
13

02 Installation Instructions

User Manual V1.0-2021-06-15

Declarations for the backup function
The backup outputs of the ET hybrid inverters have overload capability. For details please refer to the technical parameters in the ET series inverter section (Page 35). The inverter has self-protection derating at high ambient temperatures. The statement below lays out the general policies governing the series EH, EM, ES, ET, BH, BT and SBP energy storage inverters. 1. For hybrid inverters (e.g. Series EH, EM, ES, and ET), a standard PV installation typically consists connecting the inverter to both panels and batteries. When the system is not connected to the batteries, the manufacturer strongly advises that the backup function not be used. The manufacturer will not honour the standard warranty and will not be liable for any consequences arising from users not following this instruction. 2. Under normal circumstances, the backup switching time is less than 10ms (e.g. the minimal condition to be considered as a UPS-level switching). However, some external factors may cause the system to fail in backup mode. Due to this, we recommend that users to be aware of these conditions and follow the instructions as described below:
· Do not connect loads which are dependent on a stable energy supply for reliable operation. · Do not connect the loads which may, in total, exceed the maximum backup capacity. · Try to avoid those loads which may create very high start-up current surges such as inverters, air conditioners, high-power pumps etc. · Due to the battery condition itself, the battery current might be limited by factors including but not limited to temperature and weather etc.
Acceptable loads are shown below:
· Inductive Loads: 1.5 P non-frequency conversion air conditioners can be connected to the backup side. Two or more non-frequency conversion air conditioners connected to backup side may cause the back-up mode to be unstable. · Capacitive Loads: A total power 0.6 × nominal power of the model. (Any load with high startup current is not acceptable.)
· For complicated applications, please contact the GoodWe Solar Academy.
Note: For convenient maintenance, please install a SP 3T switch on both the backup and on-grid sides. Then it is adjustable to support load by backup or by grid or default settings.

1. The backup load is supplied from backup

side.

Backup

2. The backup load is isolated. 3. The backup load is supplied from grid side.

On-Grid

Load

4Pole 3Throw

Grid

Declarations for backup overload protection The inverter will restart itself if overload protection is triggered. The preparation time for restarting will be increasingly long (one hour at most) if an overload recurs. Take the following steps to immediately restart the inverter. Decrease the backup load power to within the maximum limitation. On The PV Master App > Advanced Settings > Click "Reset Backup Overload History".

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02 Installation Instructions

2.5 Communication Connections
2.5.1 Smart Meter & CT Connections

Make sure the AC cable is totally isolated from AC power before connecting the Smart Meter and CT.

A Smart Meter with the CT in product box is compulsory for ET system installation. It can be used to detect the grid voltages and current directions, provide the operating condition of the ET inverter via RS485 communications, and limit the power exportation. GM3000 or SEC1000S are suggested. For more detailed information of the Smart Meter, refer to the Smart Meter user manual in https://en.goodwe.com.

Note: 1. The Smart Meter with CT is already configured ; please do not change any settings on the Smart Meter. 2. One Smart Meter can be used with only one ET inverter. 3. Three CTs must be used for one Smart Meter and must be connected on the same phase with the Smart Meter power cable.

Smart Meter & CT connection diagram

CT A

Power Meter L1

CT B

CT C

GM3000

To Smart Meter
Note: 1. Please use the Smart Meter with the 3 CTs contained in the product box. 2. The CT cable is 3m long as a default and can be extended to maximum of 5m. 3. The Smart Meter communication cable (RJ45) is attached on the inverter ("To Smart Meter" cable), and be extended to a maximum length of 100m, and must use a standard RJ45 cable and plug, as shown below:
Detailed pin functions of each port on the ET BMS: CAN communication is configured by default. If 485 communication is used, please contact the after-sales service to replace this with the correct communication cable.

02 Installation Instructions

User Manual V1.0-2021-06-15

Position Color

BMS Function

Smart Meter Function

Orange & white 485_A2 NC

Orange

Green & white 485_B2 485_B1

Blue

CAN_H

Blue & white

CAN_L

Green

485_A1

Brown & white NC

485_B1

Brown

485_A1

EMS
485_A 485_B 485_A NC NC 485_B NC NC

Smart Meter LED indications

STATUS OFF POWER Not working ENERGY /

ON Working Importing

Blinking / Exporting

COM

Single blink when data are transferred to the inverter

POWER ENERGY COM

2.5.2 BMS Connection
BMS is used to communicate with the connected compatible lithium battery. There is a 3m communication cable marked "To Battery" on the inverter except ETR models. For ETR models, the net cable should be prepared by the customer and should be no longer than 5m.
Connection steps 1. Confirm that the battery and inverter power cables are connected (refer to 2.4.2 Battery Wiring Connections). 2. Connect the BMS communication cable of the inverter to the communication interface of the lithium battery. 3. Select the corresponding battery via the APP (please refer to the user manual of the PV master app).

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02 Installation Instructions

ETR ONLY

2.5.3 COM Terminal Connection

Follow the pin definition below to connect the

communication cables. Do not remove the

resistor or short circuit wire unless you are going

to use the corresponding PINs.

Definition

485_A1

485_B1

Function RS485

DRM 1/5 or DI_1

DRM 2/6 or DI_2

DRM 3/7 or DI_3

DRED or RCR

DRM 4/8 or DI_4

COM/DRM0 or REF_1

REFGEN or REF_2

Definition

Function

Remote Shutdown

Remote

Shutdown

GND-S

11 12 13/14 15/16

LG_EN+ LG_EN-
N/A

LG Battery Enabling
Signal
N/A

DO-

Dry Contact of

Load Control

DO+

02 Installation Instructions
1 Prepare the communication cable and remove the plug of the communication terminal.

User Manual V1.0-2021-06-15
1

6~8mm 2

0.12~0.8mm2

Dismantle the communication module and take out the pin terminal. To avoid water and dust, keep the rubber plug to seal the unused holes.

3-1
Insert the communication cable into pin 1 and pin 2 of the pin terminal to realize the RS485 communication function.

Screw Cap

Rubber Plug PIN Terminal

2 1

3-2
Remove the resistor, then insert the communication cable into pin 3, 4, 5, 6, 7, and 8 to realize the DRED or RCR function. Keep the resistor by default if DRED or RCR function is not to be used.

30N·m 30N·m

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3-3

Remove the short circuit wire. Connect

pin 9 and pin 10 with an external

switch using a communication cable.

Keep the short circuit wire by default

if remote shutdown function is not to

be used.

02 Installation Instructions

30N·m

3-4

Insert the communication cable into pin 11 and pin 12 to realize the battery enabling signal function. Designed for LG battery only.

12 11

3-5

30N·m

Insert the communication cable into pin 17 and pin 18 to realize the dry contact relay function.

18 17

4
Assemble the communication module and plug it into the communication terminal.

30N·m

2.6 Earth Fault Alarm Connection
ET series inverters comply with IEC 62109-2 13.9. The fault indicator LED on the inverter cover will light up and the system will email the fault information to customer. It must be installed in a high traffic area where the LED would be noticed
19

Wiring system for the ET series hybrid inverter Note: This diagram indicates the wiring structure of the ET series hybrid inverter, not the electric wiring standard.

User Manual V1.0-2021-06-15

Please select the breaker according to the specifications below:

Inverter

GW5KL/6KL-ET GW8KL/10KL-ET GW5K/6.5K-ET
GW8K/10K-ET

40 A/600 V DC breaker

25 A/400 V AC breaker 32 A/400 V AC breaker 25 A/400 V AC breaker 32 A/400 V AC breaker

Depends on
household loads

5 AC Breaker

1. For batteries with attached breakers, the external DC breaker may be omitted. 2. Please use CT A for L1, CT B for L2, and CT C for L3. Also, follow the "House(K) Grid(L)" direction to complete the connection. Otherwise, there will be an error reminder from the PV Master App.

CT A

Power Meter

CT B CT C

E-N Link

L1 L2 L3 N PE Grid

6 AC Breaker

......

To Smart Meter
3 AC Breaker

Load

2
To Battery
4 AC Breaker

02 Installation Instructions

PV Strings

Battery

Loads

E-BAR

BACK-UP Loads The E-N link applies to Australia, New Zealand, South Africa etc. Please refer to local regulations.

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02 Installation Instructions

If the inverter is not equipped with a DC switch, an external DC breaker shall be added. The external DC breaker shall be AU/NZ certified; Complied to AS60947.3:2018; Be classified as DC-PV 2; With ratings and properties suitable for the intended application conditions such as outdoor, exposed to sunshine, on non-combustible material surface.
System connection diagrams
Note: According to Australian safety requirements, the neutral cables of the on-grid side and backup side must be connected together. Otherwise, the backup function will not work.

This diagram is an example for an application that neutral connects with the PE in a
distribution box. For countries such as Australia, New Zealand, South Africa, etc., please follow local wiring regulations!

BMS

Battery

Hybrid Inverter

Solar Array
Grounding screw hole in the lower right corner

L1 L2 L3 N PEor Backup Meter
L1 L2 L3 N PE
On-Grid

Distribution box
RCD
Do not connect this terminal when the neutral wire and PE wire are connected together.
Smart Meter

E-BAR

RCD

N-BAR

E-N Link E-BAR

L2 L3 N

Backup Loads

L1
L2
L3 Grid N PE

L1 L2 L3 N PE
Normal Loads

This diagram is an example for an application in which neutral is separated from the PE in
the distribution box. For countries such as China, Germany, the Czech Republic, Italy, etc., please follow local wiring regulations! Note: Backup function is optional for the German market, even though the hardware connector is always there. Backup function is standard in all other markets.

02 Installation Instructions

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When the inverter is working in backup mode, neutral and PE on the backup side are connected via the internal relay. Also, this internal relay will be open when the inverter is working in grid-tied mode.

N PE
BMS
Battery
Solar Array
Grounding screw hole in the lower right corner

L1 L2 L3 N PEor Backup Meter
L1 L2 L3 N PE
On-Grid

Distribution box RCD

E-BAR

RCD

E-BAR

L1 L2 L3 Backup N Loads PE
L1 L2 L3 Grid N PE

L1 L2 L3 N PE
Normal Loads

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03 MANUAL OPERATION

03 MANUAL OPERATION
3.1 Wi-Fi Configuration
This part shows the configuration using a web page. Wi-Fi configuration is absolutely necessary for online monitoring and maintenance.
Preparation: 1. The inverter must be powered up with battery or grid power. 2. A router with internet access to the website www.semsportal.com is required.

1
1. Connect Solar-Wi-Fi* to your PC or smart phone (* its name is the last 8 characters of the inverter's serial number); Password:12345678. 2. Open your browser and logon to 10.10.100.253 Admin (User): admin; Password: admin. 3. Then click "OK".

10.10.100.253

Admin(U): Password:

admin

admin Remember the password (R)

Cancel

2
1. Click "Start Setup" to choose your router. 2. Then click "Next".

Device information Firmware version MAC address Wireless AP mode
SSID IP address Wireless STA mode Router SSID Encryption method Encryption algorithm Router Password

1.6.9.3.38.2.1.38 60:C5:A8:60:33:E1
Enable Solar-Wi-Fi 10.10.100.253
Disable WiFi_Bum-in WAP/WAP2-PSK
AES WiFi_Bum-in

No router, weak Wi-Fi signal, or the password is not correct

Help: The wizard will help you to complete setup

within one minute.

Start Setup

Please select your current wireless network

SSID Wi-Fi_Burn-in Wi-Fi_Burn-in Wi-Fi_Burn-in Wi-Fi_Burn-in2

AUTH/ENCRY WPAPSKWPA2PSK/TKIPAES WPAPSKWPA2PSK/TKIPAES WPAPSKWPA2PSK/TKIPAES WPAPSKWPA2PSK/TKIPAES

RSSI 66 100 70 72

Channel 1 1 1 1

Refresh

Help: When the RSSI of the selected Wi-Fi network is below

15%, the connection may be unstable. Please select another

available network or decrease the distance between the

device and router. If your wireless router does not broadcast

its SSID, please click "Next" and manually add the wireless

network.

Back

3
1. Fill in the password of the router, then click "Next". 2. Click "Complete".

Add the wireless network manually

Network name (SSID) Encryption method Encryption algorithm

Wi-Fi-Test WPA/WPA2-PSK AES

Please enter the wireless network password: Password (8-63 characters) Router password Show psk

Note: The SSID and password are case sensitive. Please make sure all parameters of the wireless network match those of the router, including the password.

Back

Save success!

Back Complete

03 MANUAL OPERATION

User Manual V1.0-2021-06-15

Note: 1. Please make sure the password and encryption method/algorithm are the same as those of the router. 2. If everything went well, the WiFi indicator on the inverter will change from a double blink to 4 blink and then to a steady status, which means that the WiFi has successfully connected to the server.

WiFi Reset & Reload WiFi reset means restarting the WiFi module. The WiFi settings will automatically be reprocessed and saved. WiFi Reload means setting the WiFi module to the default factory settings.

WiFi Reset Button

Wi-Fi RESET

SYSTEM

BACK-UP

BATTERY

GRID

ENERGY

COM

Wi-Fi

FAULT

WiFi reset Short press the reset button. The WiFi LED will blink for a few seconds.

WiFi reload Long press the reset button more than 3s. The WiFi indicator will double blink until
the WiFi is configured again.

Note:

The WiFi reset and reload function can be used only when:

1. WiFi disconnects with the internet or cannot connect successfully to the PV Master App.

2. "Solar-WiFi signal" cannot be found or other WiFi configuration problems exist.

Do not press the button if WiFi monitoring is working correctly.

Replace the module using the unlock tool.

3.2 PV Master

PV Master is an external monitoring and configuration application for hybrid inverters and is used on smart phones or tablets for both Andriod and iOS systems. The main functions are listed as below:
1. Configure the system to customize functions by the user. 2. Monitor and check the performance of the hybrid system. 3. Access and change the regional settings.
4. Check the inverter firmware version. 5. Set export power limit.

Search PV Master in Google Play or Apple App Store, or scan the QR code to download the app. Operation steps are the same for Android system and iOS system

although the two interfaces are slightly different. For more detailed opertaion instructions, please refer to PV Master user manual in www.goodwe.com.

PV Master App

Note:

For Australian customers please select from Australia Region A/B/C to comply with AS/NZS 4777.2:2020.

Contact local grid operator to see which Region to select. After setting the safety region, some

parameters in the inverter system will take effect according to the corresponding safety regulations, such as PU curve, QU curve, trip protection, etc. For Australian and European users, if you need to change the

configuration parameters, please refer to the PV Master user manual.

3.2.1 Commissioning via PV Master

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03 MANUAL OPERATION

Log in using the initial password for the first time and change the password as soon as possible. To ensure account security, you are advised to change the password periodically and keep the new password in mind.
Steps to connect the WiFi: Step 1: PV Master Connect DeviceInverter with WiFi Step 2: Phone SettingsWLANSolar-WiFi******** Step 3: PV MasterSolar-WiFi****
Follow the steps below to set basic settings. PV MasterSettingsBasic SettingInstaller Password(goodwe2010)Select SafetySelect Work ModeCT Detection
3.2.2 Load Control
The inverter is equipped with a dry contact relay, which helps turn the loads on or off when an extra contactor is connected.
Note: · The AC contactor should be placed between the inverter and the loads. Do not connect the load to DO port directly. · The contactor is not supplied by the manufacturer. Connect the the load to the DO port of the inverter directly if the load is designed with a DI port. · Maximum voltage and current at DO dry contact port: 250VAC 3A/30VDC 3A. · When the controlled load is connected to ONGRID, the contactor coil must also be connected to ONGRID. When the controlled load is connected to BACKUP, the contactor coil must also be connected to BACKUP.
Tap SettingsLoad Control to enter load control page and select the working mode. Working mode: Power Switch Mode, Time Mode and Backup Load Control Mode.

Power Switch Mode Turn on or off the loads via PV Master app directly. · Select Power Switch Mode and tap ON. Once the inverter receives ON command, the contactor will be connected and loads be powered on.
AC Breaker
L1 L2 L3 N PE

DO port

DO+

DO-

DO Relay

Inverter

Power Switch Mode -ON (Three-Phase Load)

Cont actor Load

03 MANUAL OPERATION

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· Select Power Switch Mode and tap OFF. Once the inverter receives OFF command, the contactor will be disconnected and loads be powered off.
AC Breaker
L1
L2 L3
N
PE

OFF

DO port

DO+

OFF

DO-

DO Relay

Cont actor

Inverter

Power Switch Mode -OFF (Three-Phase Load)

Load

Time Mode
Standard Time Mode: Set the starting time and end time to turn on the loads at the preset time only. The loads will not work except the preset period. Select Time ModeAddStandardTurn on time&End time&RepeatSave to set the turn on time, end time and repeat day. The following figures show the example to turn on the load from 8:00 a.m. to 9:00 a.m.
AC Breaker
L1 L2 L3 N PE

Time 8:00-9:00
ON

DO port

DO +

DO -

DO Relay

Inverter

Time Mode-Standard-ON (Three-Phase Load)

Contactor Load

Intelligent Time Mode: set time range, load consumption time, and nominal power of load via PV Master. Once the excess energy of the photovoltaic exceeds the preset load nominal power, the loads will be turned on.

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03 MANUAL OPERATION

Note: · The intelligent mode cannot be set when the inverter is working in off-grid mode. · Switch off Export Power Limit before setting intelligent mode. · Load consumption time means the shortest load working time after the loads been turned on. The time is set to prevent the loads be turned on and off frequently when the PV power fluctuates greatly.
Set load consumption time to 30 minutes means the loads will work for at least 30 minutes even when the excess PV power is lower than 1000W. Select Time ModeAddIntelligentTurn on time&End time&Repeat&Load consumption time&Nominal power of loadSave to set the turn on time, end time, repeat day, shortest working time and nominal power. The following figures show the example to power on the loads from 8:00 a.m. to 9:00 a.m., when the excess PV power exceeds 1000W.
AC Breaker
L1 L2 L3 N PE

DO port

Time 8:00-9:00

DO+ A1

Consumption ON

time: 30 min Powe r:1000 W

DO- A2

DO Relay

Cont actor

Inverter

Time Mode-Intelligent-ON (Three-Phase Load)

Load

BACKUP Load Control
Some unimportant loads connected to the BACKUP terminal do not need to be powered all the time. If the PV system is not generating any electricity and the grid is not working, the unimportant loads can be disconnected, so that the battery energy can be supplied to other important loads in priority. Set the SOC value via PV Master. When the battery SOC is lower than the target SOC value, the inverter can disconnect the loads through the DO port. The SOC threshold for the load to turn on again is 10%. For example, set the SOC value to 60%. The loads will be disconncted when the SOC of the battery is below 60%. To turn on the loads again, the SOC of the battery should be restored to 70%.

03 MANUAL OPERATION

User Manual V1.0-2021-06-15

AC Breaker
L1 L2 L3 N PE

SOC60% OFF

DO port

DO +

DO -

DO Relay

Inverter

BACKUP Load Control-OFF (Three-Phase Load)

Cont actor Load

3.2.3 Battery Ready and Force Charge to Battery
Battery Ready(ETR)
Battery Ready function is a fee-based function, which is off by default. Contact the after-sales service to pay for the function and obtain the series number. The after-sales service staff will activate the battery-ready function. Connect the inverter to PV Master again after receiving an activation notification from the after-sales service staff. Tap Advanced SettingBattery Setting to check the battery status.

Battery ready not activated

Battery ready activated

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03 MANUAL OPERATION

Force Charge to Battery
Tap Advanced SettingBattery Setting Force Charge to BatterySOC(discontinue)Save to set the SOC and start force charge to battery function. After starting the force battery to charge function, the power of the system gives priority to charging the battery until the preset SOC is reached.
3.3 CEI Auto-Test Function
The PV auto-test function of CEI is integrated into the PV Master App to satisfy Italian safety requirements. For detailed instructions regarding this function, please refer to "PV Master Operation Instructions".
3.4 Startup/shutdown Procedure
DC switch is used to cut off PV input power while the breaker equipped on the battery is used to cut off battery power. When you want to shut down the inverter during an event, you shall turn off the inverter DC switch and the battery DC breaker. When you want to start-up the inverter after rectification, you shall turn on the inverter DC switch and the battery DC breaker.

3.5 SEMS Portal
SEMS Portal is an online monitoring system. After completing the
installation of communication connection, you can access www.semsportal. com or download the app by scanning the QR code to monitor your PV plant and device. Please contact the after-sales for more operation of SEMS Portal.

SEMS Portal App

04 OTHER

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04 OTHER
4.1 Error Messages.
The error messages below will be displayed on PV Master App or reported by e-mail if an error occurs.

ERROR MESSAGE

EXPLANATION

REASON

SOLUTIONS

Utility Phase Failure

The sequence of the on-grid wire is incorrect

The inverter has detected that the phase angles of L2 and L3 are reversed

The L2 and L3 cables are connected in reverse order.

Utility Loss

Public grid power is not available (power lost or ongrid connection fails)

Inverter does not detect the connection of grid

1. Check (use multi-meter) if AC side has voltage . Make sure grid power is available. 2. Make sure AC cables are connected tightly and well.
3. If all is well, please try to turn off AC breaker and turn on again in 5 mins.

VAC Failure

Grid voltage is not within permissible range

Inverter detects that AC voltage is beyond the normal range required by the safety country

1. Make sure safety country of the inverter is set right. 2. Check (use multi-meter) if the AC voltage (Between L & N) is within a normal range (also on AC breaker side) a. If the AC voltage is high, then make sure the AC cable complies with that required on user manual and the AC cable is not too long. b. If the voltage is low, make sure the AC cable is connected well and the jacket of the AC cable is not compressed into the AC terminal. 3. Make sure the grid voltage of your area is stable and within normal range.

FAC Failure

Grid frequency is not within permissible range

Inverter detects that the grid frequency is beyond the normal range required by the safety country

1. Make sure the safety country of the inverter is set right. 2. If safety country is right, then please check on the inverter display if AC frequency (Fac) is within a normal range. 3. If FAC failure only appears a few times and is resolved soon, it should be caused by occasional grid frequency unstability.

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04 OTHER

PV/BAT Overvoltage

The PV or BAT voltage is too high

Over Temperature

Temperature inside of the inverter is too high

Isolation Failure

Ground insulation impedance of PV string is too low

Ground

Failure

Ground leakage current is too high

The total voltage (open-circuit voltage) of each PV string is higher than the maximum DC input voltage of the inverter or the battery voltage is higher than the maximum BAT input voltage of the inverter
The inverter's working environment leads to a high temperature condition
Isolation failure could be caused by multiple reasons like that the PV panels are not grounded well, DC cable is broken, PV panels are aged or surrounding humidity is comparatively heavy, etc.
Ground failure could be caused by multiple reasons like that the neutral cable on the AC side is not connected well or the surrounding humidity is comparatively heavy, etc.

1. Check if the PV string Voc is lower than the Max PV input voltage of the inverter. If the Voc of the PV string is high, please decrease the number of PV panels to make sure that Voc is within the maximum DC input voltage range of the inverter. 2. Check if the battery voltage is lower than the maximum battery input voltage of the inverter. If the battery voltage is high, please decrease the number of battery packs to make sure the voltage is within the maximum battery input voltage range of the inverter.
1. Try to decrease surrounding temperature. 2. Make sure the installation complies with the instruction on inverter user manual. 3. Try to close the inverter for 15 mins, then start up again.
1. Use multi-meter to check if the resistance between earth & inverter frame is close to zero. If it's not, please ensure that the connection is well. 2. If the humidity is too high, isolation failure may occur. 3.Check the resistance between PV1+/PV2+/PV3+/PV4/+BAT+/PV- to earth. If the resistance is lower than the minimum isolation resistance shown in the table( chapter 2.4.2 ) , check the system wiring connection. 4. Try to restart the inverter.Check if the fault still occurs. If not, it means it is caused by an occasional situation, or contact after-sales
Check (use multi-meter) if there is voltage (normally should be close to 0V) between earth & inverter frame. If there is a voltage, it means the neutral & ground cables are not connected well on the AC side. If it happens only in the early morning/ dawn /rainy days with higher air humidity and is recovered soon, it should be normal.

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Relay Check Self checking of

Failure

relay failure

DC Injection High

EEPROM R/W Failure

SPI Failure

Internal communication failure

DC Bus High BUS voltage is over-high

Back-Up Over Back-up side is

Load

over loaded

Neutral & ground cables are not connected well on AC side or just an occasional failure

Check (use multi-meter) if there is high voltage (normally should be lower than 10V) between N & PE cable on the AC side. If the voltage is higher than 10V, it means the Neutral & ground cable are not connected well on AC side or restart inverter.

The inverter detects a higher DC component in AC output

.Try to restart the inverter,check if it still occurs.If not,it is just an occasional situation.Otherwise, contact after-sales immediately.

Caused by a strong external
magnetic field etc.

Try to restart the inverter,check if it still occurs.If not,it is just an occasional situation.Otherwise, contact after-sales immediately.

Caused by a strong external
magnetic field etc.

Try to restart the inverter,check if it still occurs.If not,it is just an occasional situation.Otherwise, contact after-sales immediately.

Try to restart the inverter. Check

if the fault still occurs. If not, it

means it is caused by an occasional

situation,or contact after-sales.

Total back-up load power is higher than the back-up nominal output power

Decrease back-up loads to make sure the total load power is lower than back-up nominal output power (please refer to page 24).

4.2 Troubleshooting
Checks Before Turning On AC Power
· Battery connections: Confirm that the connections between the ET and battery and that the polarities (+/-) are not reversed. Refer to figure 4.2-1 · PV input connection: Confirm the connections between the ET and PV panels and that the polarities (+/-) are not reversed. Refer to figure 4.2-2. · On-grid & backup connections: Confirm that the on-grid is connected to the power grid and that the backup is connected to the loads and that the polarities (e.g. L1/L2/L3/N are in sequence) are not reversed. Refer to figure 4.2-3. · Smart Meter & CT connections: Make sure that the Smart Meter and CT are connected between the house loads and the grid and follow the Smart Meter direction sign on the CT. Refer to figure 4.2-4.

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04 OTHER

BAT
Figure 4.2-1

Click
Figure 4.2-2

Figure 4.2-3

Grid
House Loads
Figure 4.2-4

Checks At Startup And Turning On AC Power
Battery settings, BMS communication and safety country setting:
After connecting the Solar-Wi-Fi* (*The Wi-Fi signal is named as the last 8 characters of the inverter's serial number.). Check the PV Master App "Param" to make sure that the battery type is the same as was installed. Also check that the "Safety Country" setting is correct. If it is not correct, please set is correctly in "Set".

Param

Battery (Battery-Box H 11.5)

Battery Status

SOC: 79%, Discharge

Battery Data

479.9V / 0.0A / 0.08kW

BMS Status

Normal

SOH (From BMS)

100.0%

Protocol Code

256

Charge Current Limit (From BMS)

20.0A

Discharge Current Limit (From BMS)

25.0A

Waring (From BMS)

Normal

Temperature (From BMS)

Inverter SN Firmware Version Safety Country Work Status Error

93648ET172W0003 02024 Brazil
Normal (Backup)

Overview

Param

Set

Note: For compatible lithium batteries, the BMS status will display "Normal" after selecting the correct battery company.
Problems During Operation
ET does not start up with battery only Solution: Make sure that the battery voltage is greater than 180V. Otherwise, the battery cannot start the ET.
ET did not start up with PV only Solution: 1. Make sure the PV voltage is greater than 180 (230 V is needed to enter on-grid mode). 2. Make sure that, for the connection between the ET and PV panels, the polarities are (+/-) not reversed.
The ET hybrid inverter does not discharge or output without the PV or when the PV power is less than the load power Solution: 1. Check whether the communications between the ET and Smart Meter are OK.

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2. Make sure the load power is greater than 150W. a. The battery will not discharge continuously unless the load power is greater than 150W. b. If the battery does not discharge when the Meter power is greater than 150W, please check the Smart Meter & CT connections and directions. 3. Make sure the SOC (State of discharge) is greater than 1-DOD (Depth of discharge). Or, if the battery is discharged to below 1-DOD, the battery will only discharge again when SOC is charged to (20%+1-DOD/2 (if battery discharge is needed immediately, the user should restart the battery). 4. Check on the APP whether the charge time has already been set because during the charge time, the battery will not discharge (battery will charge in priority during times of concurrent charge/discharge).
The battery does not charge when the PV power is greater than the load power Solution: 1. Check the discharge time setting on the APP. 2. Check if the battery is fully charged and also if the battery voltage reaches the "charge voltage".
High power fluctuations during battery charge or discharge Solution: 1.Check if there are fluctuations in load power. 2.Check if there are fluctuations in PV power.
Battery does not charge Solution: 1. Make sure that BMS communications are OK on the PV Master App. 2. Check if the CT is connected at the right position and is connected in the right direction per the User Manual. 3. Check if the total load power is significantly higher than the PV power.
Questions & Answers (Q & A)
About the Wi-Fi Configuration
Q: Why can't I find the Solar-Wi-Fi* signal on mobile devices? A: Normally the Solar-Wi-Fi* signal can be seen immediately after inverter has powered up. However, the Solar-Wi-Fi signal will disappear when the ET connects to the internet. If changes to the settings are required to connect to the router for changes. If you cannot find the Wi-Fi signal or connect to the router, please try to reload the Wi-Fi (please refer to the ET User Manual page 21).
Q: Why can't I connect to the Solar-Wi-Fi* signal on my phone? A: The Wi-Fi module can only connect to one device at a time. If the signal is already connected to another device at the same time, you will not be able to connect to the signal.
About Battery Operation
Q: Why does the battery not discharge when the grid is not available but it discharges normally when the grid is available? A: On the APP, the off-grid output and backup function should be turned on to force the battery to discharge under off-grid mode.
Q: Why is there no output on the backup side? A: For backup supply, "Backup Supply" on the PV Master App must be turned on. In off-grid

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04 OTHER

mode or when the grid power is disconnected, the "Off-Grid Output Switch" function must be turned on as well. Note: When turning the "Off-Grid Output Switch" on, do not restart the inverter or battery. Otherwise, the function will be switched off automatically.
Q: Why does the battery SOC suddenly jump to 95% on the Portal? A: This normally happens when BMS communications fail when using lithium batteries. If the batteries enter float charge mode, the SOC is automatically reset to 95%.
Q: The battery cannot be fully charged to 100%? A: The battery will stop charging when the battery voltage reaches the charge voltage set in the PV Master App.

Q: Why does the battery switch always trip when it starts up (lithium battery)?
A: The switch of the lithium battery trips because of following reasons: 1. BMS communication fails. 2. The battery SOC is too low and the battery trips to protect itself. 3. An electrical short-circuit has occurred on the battery connection side. Alternatively, for other reasons, Please contact the after-sales department.

Q: Which battery should I use for the ET?
A: For the ET series inverter, it can connect to lithium batteries which have compatibility with ET-series inverters with nominal voltages from 180 V to 600 V. For compatible lithium batteries, please refer to the battery list in the PV Master App.

About PV Master Operation And Monitoring
Q: Why can't I save settings on the PV Master App?
A: This could be caused by losing the connection to Solar-Wi-Fi *. 1. Make sure you have already connected to Solar-Wi-Fi* (make sure that no other devices are connected) or to the router (if Solar-Wi-Fi* is connected to the router). The APP homepage shows the connections. 2. Make sure you restart the inverter 10 mins after you have changed any settings because the inverter will save the settings every 10 mins while operating in normal mode. We recommend that parameter settings be changed when the inverter is in wait mode.

Q: Why are the data displayed on the homepage different from the param page, like charge/ discharge, PV value, load value, or grid value?
A: The data refresh frequency is different, so there will be data discrepancies between different pages on the APP as well as between these shown on the portal and APP.

Q: Some columns show NA, like battery SOH, etc. Why does that happen? A: NA means that the App has not received data from the inverter or server because of communication problems, such as battery communications and the communications between inverter and the App.
About the Smart Meter And Power Limit Function Q: How to activate the output power limit function? A: For the ET system, this function can be activated by following these steps: 1. Make sure the Smart Meter connections and communications are functioning correctly. 2. Turn on the export power limit function and set the maximum output power to the grid on the APP. Note: Even if the output power limit is set to 0W, there might still be a deviation of a maximum

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of 100 W when exporting to the grid.
Q: Why is there still power exporting to the grid after I have set the power limit to 0 W? A: The export limit could theoretically be 0W but there will be a deviation of around 50100 W for the ET system.
Q: Can I use other meter brands to take over from the Smart Meter in the ET system or to change settings in Smart Meter? A: No, because the communication protocol is integrated into the inverter and Smart Meter, other meter brands cannot communicate. Also, any change to the manual settings could cause a meter communication failure.
Q: What is the maximum current allowed to pass through the CT on the Smart Meter? A: The maximum current for the CT is 120A.
Other Questions
Q: Is there a quick way to make the system work? A: For the shortest resolution, please refer to "ET Quick Installation Instructions" and to the "PV Master App Instructions".
Q: What kind of load can I use to connect to the backup side? A: Please refer to User Manual on page 12.
Q: Will the warranty of the inverter still be valid if, for some special conditions, we cannot follow 100% of the User Manual instructions for installation or operation? A: Normally we still provide technical support for problems caused by not following the instructions in the User Manual. However we cannot guarantee any replacements or returns. So, if there are any special conditions for which you cannot follow the instructions 100%, please contact the after-sales department for suggestions.
Q: What is the detection method for anti-islanding protection? A: AFDPF(Active Frequency Drift with Positive Feedback) + AQDPF(Active Q Drift with Positive Feedback)
4.3 Disclaimer
The ET series inverters are transported, used and operated under environmental and electrical conditions. The manufacturer has the right to not provide after-sales services or assistance under the following conditions: · The inverter is damaged during transfer. · The inverter is out of the warranty year and an extended warranty is not purchased. · The inverter is installed, refitted, or operated in improper ways without authorization from the manufacturer. · The inverter is installed or used under improper environmental or technical conditions (as mentioned in this User Manual) and without authorization from manufacturer. · The installation or configuration of the inverter does not follow the requirements mentioned in this User Manual. · The inverter is installed or operated contrary to the requirements or warnings mentioned in this User Manual. · The inverter is broken or damaged by any force majeure, such as lightening, earthquake, fire hazard, storm and volcanic eruption etc. · The inverter is disassembled, changed or updated on software or hardware without

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04 OTHER

authorization from the manufacturer. · The Inverter is installed, used, or operated against any related provisions contained in international or local policies or regulations. · Any incompatible batteries, loads or other devices are connected to the ET system. · Specifications are subject to change without notice. Every effort has been made to make this document complete, accurate and up-to-date. However, GoodWe may need to make some improvements under certain circumstances without advance notice. GoodWe shall not be responsible for any loss caused by this document including, but not limited omissions errors,typographical errors, arithmetical errors or listing errors in this document. If you have any questions or suggestions, please contact GoodWe after-sale.
Note: The manufacturer retains the right to explain all of the contents in this User Manual. To insure IP66, the inverter must be sealed well; please install the inverters within one day of unpacking; otherwise, please seal all unused terminals /holes; unused terminals/holes are not allowed to remain open; and confirm that there is no risk of water or dust entering any terminals/holes.
Maintenance

Maintaining Item Maintaining Method

Maintaining Period

System Clean

Check the heat sink, air intake, and air outlet for foreign matter or dust.

Once 6-12 months

DC Switch

Turn the DC switch on and off ten consecutive times to make sure that it is working properly.

Once a year

Electrical Connection

Check whether the cables are securely connected. Check whether the cables are broken, or whether there is any exposed copper core.

Once 6-12 months

Sealing

Check whether all the terminals and ports are properly sealed. Reseal the cable hole Once a year if it is not sealed or too big.

THDi Test

For Australia requirements, in the THDi test, there should add Zref between inverter and mains.
L:0.24 + j0.15 ; N:0.16 +j0.10 L:0.15 + j0.15 ; N:0.1 + j0.1

As needed

· WiFi module: Replace or remove the WiFi module using the WiFi

module remover, which is delivered in the package. Remove the

communication terminal next to the WiFi module first. Place the remover horizontally on the WiFi module, then turn the remover to

90° to fasten it and the module together. Press the remover and pull

the module to remove it as the following figure shows.

Notice: If you need to repair or replace parts, contact the after sales

service.

04 OTHER

User Manual V1.0-2021-06-15

4.4 Technical Parameters

Technical Data

GW5KL-ET GW6KL-ET GW8KL-ET GW10KL-ET

Battery Input Data

Battery Type

Li-Ion

Nominal battery voltage (V)

500

Battery Voltage Range (V)

180~600

Max. Charging Current (A)

Max. Discharging Current (A)

Max charge power (W)

7500

7800

9600

10000

Max discharge power (W)

7500

7800

9600

10000

PV String Input Data

Max. Input Power (W)

6650

7980

10640

13300

Nominal Input Voltage (V)

620

Start-up Voltage (V)

180

Max. Input Voltage(V)*1

1000

MPPT Operating Voltage Range (V)*2

200~850

MPPT Voltage Range at Nominal Power (V)*3

240~850

285~850

260~850

320~850

Max. Input Current per MPPT (A)

12.5/12.5

12.5/22

Max. Short Circuit Current per MPPT (A)

15.2/15.2

15.2/27.6

Max. Backfeed Current to The Array (A)

Number of MPPT

Number of Strings per MPPT

1/1

1/2

AC Output Data (On-grid)

Nominal Apparent Power Output to Utility Grid (VA)

5000

6000

8000

10000

Max. Apparent Power Output to Utility Grid (VA)*2*4

5500

6600

8800

11000

Nominal Apparent Power from Grid(VA)

10000

12000

15000

Max. Apparent Power from Utility Grid (VA)

10000

12000

15000

Nominal Output Voltage (V)

400/380, 3L/N/PE

User Manual V1.0-2021-06-15

04 OTHER

Output Voltage Range (V) Nominal Output Freqency (Hz) AC Grid Frequency Range (Hz) Nominal Output Current (A) Max. AC Current Output to Utility Grid (A) Max. AC Current From Utility Grid (A) Max. Output Fault Current (peak and duration) (A) Inrush Current (peak and duration) (A) Maximum output overcurrent protection (A) Output Power Factor Max. Total Harmonic Distortion AC Output Data (Back-up) Back-up Nominal apparent power (VA) Max. Output Apparent Power (VA)
Peak Output Apparent Power (VA)*3
Nominal Output Current (A) Max. Output Current (A) Max. Output Fault Current(peak and duration) (A) Inrush Current(peak and duration) (A) Maximum output overcurrent protection (A) Nominal Output Voltage (V) Nominal Output Frequency (Hz) Output THDv (@Linear Load) Efficiency Max. Efficiency Max. Battery to Load Efficiency Europe Efficiency

0~300

50/60

45~65

7.5

9.0

12.0

14.5

8.5

10.5

13.5

16.5

15.2

18.2

22.7

45,2us

~1 (Adjustable from 0.8 leading to 0.8 lagging) <3%

5000 5000 10000, 60sec 7.5 8.5

6000 6000 12000, 60sec 9.0 10.5

8000 8000 16000, 60sec 12.0 13.5

45,2us

400/380 50/60 <3%

10000 10000 16500, 60sec 14.5 16.5

97.60% 97.50% 96.80%

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User Manual V1.0-2021-06-15

Protection DC Insulation Resistance Detection Residual Current Monitoring Unit Anti-islanding Protection DC Reverse Polarity Protection AC Overcurrent Protection AC Short Circuit Protection AC Overvoltage Protection DC Surge Arrester AC Surge Arrester DC Switch Remote Shutdown General Data
Operating Temperature Range ()
Relative Humidity Max. Operating Altitude (m) Cooling Method User Interface Communication with BMS*6 Communication with Meter Communication with Portal Weight (Kg) Dimension W×H×D (mm) Noise Emission (dB) Topology Night Power Consumption (W)*7 Ingress Protection Rating DC Connector AC Connector Protective class

Integrated Integrated AFDPF + AQDPF *5 Integrated Integrated Integrated Integrated
Type III Type III Optional Integrated

-35~+60 (60 °C for outdoor unconditioned with solar effects)
0~95%

4000

Nature Convection

LED & APP

RS485; CAN RS485

Wi-Fi

415 x516 x180

<30

Non-isolated

<15

IP66

MC4 (4~6mm2)

Feed-Through Terminal Blocks UW10

User Manual V1.0-2021-06-15

04 OTHER

Environmental Category

4K4H

Storage environments() Pollution Degree

-40~+85 III

Overvoltage Category

DCII / AC III

The Decisive Voltage Class (DVC)

Battery: C PV: C AC: C Com: A

Mounting method

Wall Bracket

Type of electrical supply system

Three phase Grid

Certifications & Standards*8 Grid Regulation

AS/NZS 4777.2:2015

Safety Regulation

IEC62109-1&2

EMC

EN61000-6-1, EN61000-6-2, EN61000-6-3, EN61000-64, EN61000-4-16, EN61000-4-18, EN61000-4-29

*1: For 1000V system, Maximum operating voltage is 950V. *2: According to the local grid regulation. *3: Can be reached only if PV and battery power is enough.
*4: For Belgium Max. Output Apparent Power(VA): GW5K-ET is 5000; GW6.5K-ET is 6500; GW8K-ET is 8000; GW10K-ET is 10000. *5: AFDPF: Active Frequency Drift with Positive Feedback, AQDPF: Active Q Drift with Positive Feedback.
*6: CAN communication is configured default. If RS485 communication is used, please replace the corresponding communication line. *7: No Back-up Output.
*8: Not all certifications & standards listed, check the official website for details.

User Manual V1.0-2021-06-15

04 OTHER

Technical Data Battery Input Data Battery Type
Nominal battery voltage (V)
Battery Voltage Range (V) Max. Charging Current (A) Max. Discharging Current (A) Max charge power (W) Max discharge power (W) PV String Input Data Max. Input Power (W) Nominal Input Voltage (V) Start-up Voltage (V) Max. Input Voltage(V)*1 MPPT Operating Voltage Range (V)*2 MPPT Voltage Range at Nominal Power (V)*3 Max. Input Current per MPPT (A) Max. Short Circuit Current per MPPT (A) Max. Backfeed Current to The Array (A) Number of MPPT Number of Strings per MPPT AC Output Data (On-grid) Nominal Apparent Power Output to Utility Grid (VA) Max. Apparent Power Output to Utility Grid (VA)*2*4 Nominal Apparent Power from Grid(VA) Max. Apparent Power from Utility Grid (VA) Nominal Output Voltage (V)

GW5K-ET
7500 7500 7500
240~850 12.5/12.5
5000 5500 10000 10000

GW6.5K-ET GW8K-ET GW10K-ET

Li-Ion

500

180~600

7800

9600

7800

9600

10000 10000

9700

12000

620

180

1000

200~850

310-850

380~850

12.5/12.5 12.5/12.5

15.2/15.2

0 2 1/1

15000
460~850 12.5/12.5

6000

8000

10000

6600

8800

11000

12000

15000

12000

15000

400/380, 3L/N/PE

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User Manual V1.0-2021-06-15

0~300

50/60

45~65

7.5

9.5

12.0

14.5

8.5

10.5

13.5

16.5

15.2

18.2

22.7

45,2us

~1 (Adjustable from 0.8 leading to 0.8 lagging) <3%

5000 5000 10000, 60sec 7.5 8.5

6500 6500 13000, 60sec 9.5 10.8

8000 8000 16000, 60sec 12.0 13.5

45,2us

400/380 50/60 <3%

10000 10000 16500, 60sec 14.5 16.5

98.00% 97.50% 97.20%

98.20% 97.50% 97.50%

User Manual V1.0-2021-06-15
DC Insulation Resistance Detection Residual Current Monitoring Unit Anti-islanding Protection DC Reverse Polarity Protection AC Overcurrent Protection AC Short Circuit Protection AC Overvoltage Protection DC Surge Arrester AC Surge Arrester DC Switch Remote Shutdown General Data
Operating Temperature Range ()
Relative Humidity Max. Operating Altitude (m) Cooling Method User Interface Communication with BMS*6 Communication with Meter Communication with Portal Weight (Kg) Dimension W×H×D (mm) Noise Emission (dB) Topology Night Power Consumption (W)*7 Ingress Protection Rating DC Connector AC Connector Protective class Environmental Category Storage environments()

04 OTHER
Integrated Integrated AFDPF + AQDPF *5 Integrated Integrated Integrated Integrated
Type II Type III Optional Integrated
-35~+60 (60 °C for outdoor unconditioned with solar effects) 0~95% 4000
Nature Convection LED & APP RS485; CAN RS485 Wi-Fi 24
415 x516 x180 <30
Non-isolated <15 IP66
MC4(4~6mm2) Feed-Through Terminal Blocks UW10
I 4K4H -40~+85
44

User Manual V1.0-2021-06-15

04 OTHER

Pollution Degree

III

Overvoltage Category

DCII / AC III

The Decisive Voltage Class (DVC)

Battery: C PV: C AC: C com: A

Mounting method

Wall Bracket

Type of electrical supply system

Three phase Grid

Certifications & Standards*8

Grid Regulation Safety Regulation

VDE-AR-N 4105; VDE 0126-1-1 EN 50549-1; G98, G99, G100; CEI 0-21
IEC62109-1&2

EMC

EN61000-6-1, EN61000-6-2, EN61000-6-3, EN61000-64, EN61000-4-16, EN61000-4-18, EN61000-4-29

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User Manual V1.0-2021-06-15

4.5 Quick Checklist To Avoid Dangerous Conditions
1. The inverter must not be installed near flammable or explosive materials or near equipment with strong electromagnetic fields. Please refer to page 6. 2. Remember that this inverter is heavy! Please be careful when lifting from the package. Please refer to page 7. 3. Make sure that the battery breaker is off and that the nominal battery voltage meets ET specifications before connecting the battery to the inverter; make sure that the inverter is totally isolated from both PV and AC power. Please refer to page 9. 4. Make sure that the inverter is totally isolated from all DC or AC power before connecting the AC cable. Please refer to page 11. 5. Make sure the AC cable is totally isolated from AC power before connecting the Smart Meter and CT. Please refer to page 14.

User Manual V1.0-2021-06-15
Appendix
Protection category definition Moisture location category definition
Moisture Parameters 3K3

Appendix

Level 4K3

4K4H

Temperature Range

0~+40°C

-33~+40°C

~20~+55°C

Moisture Parameters

5%~85%

15%~100%

4%~100%

Environment category definition Environment Condition Ambient Temperature

Relative Humidity

Applied to

Outdoor

-20~50°C

4%~100%

PD3

Indoor Unconditioned

-20~50°C

5%~95%

PD3

Indoor conditioned

0~40°C

5%~85%

PD2

Overvoltage category definition

Category I

Applies to equipment connected to a circuit where measures have been taken to reduce transient overvoltage to a low level.

Category II

Applies to equipment not permanently connected to the installation. Examples are appliances, portables tools and other plug-connected equipment.

Category III

Applies to a fixed equipment downstream, including the main distribution board. Examples are switchgear and other euiquipment in an industrial installation.

Category IV

Applies to equipment permanently connected at the origin of an installation (upstream of the main distribution board). Examples are electricity meters, primary over-current protection equipment and other equipment connected directly to outdoor open lines.

01 Introduction

User Manual V1.0-2021-06-15

Pollution degree definition

Pollution Degree I

No pollution or only dry, non-conductive polllution occurs. The pollution has no influence.

Pollution Degree II

Normally only non-conductive pollution occurs. Occasionally, however, a temporary conductivity caused by condensation must be expected.

Pollution Degree III

Conductive pollution occurs, or dry. non-conductive pollution occurs, which becomes conductive due to condensation, which is expected.

Pollution Degree IV

Persistent conductive pollution occurs, for example, the pollution caused by conductive dust, rain or snow.

Jiangsu Goodwe Power Supply Technology Co.,Ltd
No. 90 Zijin Rd., New District, Suzhou, 215011, China www.goodwe.com service@goodwe.com

Local Contacts

References

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