GOODWE GW120K-H HT Series Grid Tied PV Inverter Installation Guide

: June 13, 2024
: GOODWE

Table of Contents

Safety Precautions
Product Introduction
Electrical Connection
Power On and Off
Commissioning
Documents / Resources

Safety Precautions

General Disclaimer

The information in this quick installation guide is subject to change due to product updates or other reasons. This guide cannot replace the product labels or the safety precautions in the user manual unless otherwise specified. All descriptions here are for guidance only.
Before installations, read through the quick installation guide. For additional information, please see the user manual.
All operations should be performed by trained and knowledgeable technicians who are familiar with local standards and safety regulations.
Check the deliverables for correct model, complete contents, and intact appearance. Contact the manufacturer if any damage is found or any component is missing.
Use insulating tools and wear personal protective equipment when operating the equipment to ensure personal safety. Wear anti-static gloves, clothes, and wrist strip when touching electronic components to protect the inverter from damage. The manufacturer shall not be liable for any damage caused by static electricity.
Strictly follow the installation, operation, and configuration instructions in this guide and user manual. The manufacturer shall not be liable for equipment damage or personal injury if you do not follow the instructions. For more warranty details, please visit https://en.goodwe.com/warranty.

Safety Disclaimer
Warning
DC Side:

Ensure the component frames and the bracket system are securely grounded.
Connect the DC cables using the delivered PV connectors. The manufacturer shall not be liable for equipment damage if other connectors are used.
Ensure the DC cables are connected tightly, securely, and correctly. Inappropriate wiring may cause poor contacts or high impedances, and damage the inverter.
Measure the DC cable using the multimeter to avoid reverse polarity connection. Also, the voltage should be under the max DC input voltage. The manufacturer shall not be liable for the damage caused by reverse connection and extremely high voltage.
The PV modules used with the inverter must have an IEC61730 class A rating.

AC Side:

The voltage and frequency at the connecting point should meet the on-grid requirements.
Additional protective devices like circuit breakers or fuses are recommended on the AC side.
Specification of the protective device should be at least 1.25 times the rated AC output rated current.
PE cable of the inverter must be connected firmly.
You are recommended to use copper cables as AC output cables. If you prefer aluminum cables, remember to use copper to aluminum adapter terminals.

Product:

Do not apply mechanical load to the terminals, otherwise the terminals can be damaged.
All labels and warning marks should be visible after the installation. Do not scrawl, damage, or cover any label on the device.
Do not touch the running equipment to avoid being hurt as its temperature may exceed 60℃. Do not install the equipment at a place within children’s reach.
Unauthorized dismantling or modification may damage the equipment, the damage is not covered under the warranty.
Install the inverter away from high magnetic field to avoid electromagnetic interference.
If there is any radio or wireless communication equipment below 30MHz near the inverter, you have to:
• Install the inverter at least 30m far away from the wireless equipment.
• Add a low pass EMI filter or a multi winding ferrite core to the DC input cable or AC output cable of the inverter.
Warning labels on the inverter are as follows.

| HIGH VOLTAGE HAZARD. Disconnect all incoming power and turn off the product before working on it.| | Delayed discharge. Wait 5 minutes after power off until the components are completely discharged.
---|---|---|---
| Read through the guide before working on this device.| | Potential risks exist. Wear proper PPE before any operations.
****| High-temperature hazard. Do not touch the product under operation to avoid being burnt.| | Grounding point. Indicates the position for connecting the PE cable.
| CE marking| | Do not dispose of the inverter
as household waste.Discard the product in compliance with local laws and regulations, or send it back to the manufacturer.

Check before Power-on

No.	Check Item
1	The product is firmly installed at a clean place that is well-ventilated

and easy-tooperate.
2| The PE, DC input, AC output, and communication cables are connected correctly and securely.
3| Cable ties are intact, routed properly and evenly.
4| Unused ports and terminals are sealed.
5| The voltage and frequency at the connection point meet the inverter grid connection requirements.

EU Declaration of Conformity
GoodWe Technologies Co., Ltd. hereby declares that the inverter with wireless communication modules sold in the European market meets the requirements of the following directives:

Radio Equipment Directive 2014/53/EU (RED)
Restrictions of Hazardous Substances Directive 2011/65/EU and (EU) 2015/863 (RoHS)
Waste Electrical and Electronic Equipment 2012/19/EU
Registration, Evaluation, Authorization and Restriction of Chemicals (EC) No 1907/2006 (REACH)

You can download the EU Declaration of Conformity on https://en.goodwe.com.
GoodWe Technologies Co., Ltd. hereby declares that the inverter without wireless communication modules sold in the European market meets the requirements of the following directives:

Electromagnetic compatibility Directive 2014/30/EU (EMC)
Electrical Apparatus Low Voltage Directive 2014/35/EU (LVD)
Restrictions of Hazardous Substances Directive 2011/65/EU and (EU) 2015/863 (RoHS)
Waste Electrical and Electronic Equipment 2012/19/EU
Registration, Evaluation, Authorization and Restriction of Chemicals (EC) No 1907/2006 (REACH)
You can download the EU Declaration of Conformity on https://en.goodwe.com.

LED Indicators

Indicator	Status	Description
	ON = EQUIPMENT POWER ON
OFF = EQUIPMENT POWER OFF
	ON = THE INVERTER IS FEEDING POWER
OFF = THE INVERTER IS NOT FEEDING POWER
SINGLE SLOW FLASH = SELF CHECK BEFORE CONNECTING TO THE GRID
SINGLE FLASH = CONNECTING TO THE GRID
	ON = WIRELESS IS CONNECTED/ACTIVE
BLINK 1 = WIRELESS SYSTEM IS RESETTING
BLINK 2 = WIRELESS ROUTER NOT CONNECTED
BLINK 4 = WIRELESS SERVER PROBLEM
BLINK = RS485 IS CONNECTED
OFF = WIRELESS IS NOT ACTIVE
	ON = A FAULT HAS OCCURRED
OFF = NO FAULT

Cable Requirements

No.	Cable	Type	Cable Specification
1	PE cable	Outdoors Cable	Cross sectional area SpE S/2. S is the cross

sectional area of the output phase wire.
2| DC cable| PV standard cable that meets 1100V standard.| • Conductor cross- sectional area: 4-6mm2
• Cable outer diameter: 5.5mm-8mm
3| AC cable (multi- core)| Multi-core outdoor cable| • Cable outer diameter: 22mm-67mm
• Copper cable conductor cross sectional
Area: 70 S 240mm2
• Aluminum alloy cable or copper-clad aluminum cable conductor cross sectional area: 95 s S 5_ 240mm2
4| AC Cable (single-core)| Single-core outdoor cable| • Cable outer diameter: 11mm-35mm
• Copper cable conductor cross sectional
Area: 70 s S 240mm2
• Aluminum alloy cable or copper-clad aluminum cable conductor cross sectional area: 95 s S 240mm2
• PE conductor cross sectional area SpE a’ 5/2
5| RS485 communication cable| Outdoor shielded twisted pair. The cable should meet local requirements.| Cable length 1000m
6| Remote shutdown cable| Outdoor shielded twisted pair. The cable should meet local requirements.| N/A
Note: The values in this table are valid only if the external protective earthing conductor is made of the same metal as the phase conductors. Otherwise, the cross-sectional area of the external protective earthing conductor is to be determined in a manner which produces a conductance equivalent to that which results from the application of this table.

Product Introduction

Parts GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
1

1. DC Switch 1-3	2. PV Input Terminal 1-3	3. PV Input Terminal 7-9
4. DC Switch 7-9	5. Bluetooth or Wi-Fi/LAN Kit or WiFi Port	6. RS485 COM

Dimensions

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
2

Inverter Installation

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
3

Space Requirements

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
4

Angle Requirements

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
6

Installing the mounting bracket
Mounting on the wall

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
7

Mounting on the frame

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
8

Installing the Inverter
Lifting the Inverter

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
9

Hoisting the Inverter

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
10

Electrical Connection

PE Cable

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
11

AC Cable

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
12

DC Cable

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
14

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
15

RS485 Communication Cable

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
16

For Europe only: Remote Shutdown (RSD) Cable

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
18

NOTICE
The Remote Shutdown communication port is installed with a short circuit wire. Remove the short circuit wire and keep it properly when enabling the Remote Shutdown function.
Install the short circuit wire in PIN2 and PIN5 of the COM3 port when disabling the Remote Shutdown function.

Communication Module

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
20

Power On and Off

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
21

Commissioning

Commissioning via LCD
Set Country code.

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
22

Commissioning via SolarGo APP

GOODWE GW120K-H HT Series Grid Tied PV Inverter - Figure
23

Monitoring via SEMS Portal App

GOODWE GW120K-H HT Series Grid Tied PV Inverter - qr
code

https://www.semsportal.com/home/AppDownload
https://en.goodwe.com/Public/Uploads/sersups/GW_HT%20100-136K_User%20Manual- EN.pdf
https://en.goodwe.com/Ftp/EN/Downloads/User%20Manual/GW_WiFi%20Configuration %20Instruction-EN.pdf
https://en.goodwe.com/Ftp/EN/Downloads/User%20Manual/GW_SEMS%20Portal-User %20Manual-EN.pdf
https://en.goodwe.com/Ftp/EN/Downloads/User%20Manual/GW_SolarGo_User %20Manual-EN.pdf
GoodWe Technologies Co., Ltd.
No. 90 Zijin Rd., New District, Suzhou, 215011, China
www.goodwe.com
service@goodwe.com

https://en.goodwe.com/contact-us.asp
340-00725-00

Documents / Resources

| GOODWE GW120K-H HT Series Grid Tied PV Inverter [pdf] Installation Guide
GW120K-H HT Series Grid Tied PV Inverter, GW120K-H HT Series, Grid Tied PV Inverter, Tied PV Inverter, PV Inverter, Inverter
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