Growatt 2500MTL User manual

Installation

Operation Manual

GROWATT NEW ENERGY TECHNOLOGY Co.,LTD

No.12 Building, Xicheng Industrial

Zone, Bao’an District, Shenzhen, P. R.China

+ 86 755 2747 1900

+ 86 755 2749 1460

service@ginverter.com

www.ginverter.com

GR - UM - 009 - 04

Growatt 2500MTL

Growatt 3000MTL

Introduction

1.1 Validity

1.2 Target Group

1.3 Product Overview

Unpacking

2.1 Unpacking and Inspection

Mounting

3.1 Selecting Mounting Location

3.2 Dimensions and Required Clearances

3.3 Mounting the Bracket

3.4 Mounting Growatt MTL

Electrical Connections

4.1 Wiring AC Output

4.2 Wiring DC Input

Directory

2.2 Information of Label

1.4 Safety

Country Selecting and

Commissioning

5.1 Country Selecting

5.2 Commissioning

The Growatt MTL series inverters are grid-tied inverters which convert DC current

generated by PV modules into AC current and feed it into the public grid. The

Growatt MTL series inverters are multi-string inverters with multi-MPP trackers,

which meant they are able to connect to different PV module arrays.

Introduction 1

1.1 Validity

1.2 Target Group

1.3 Product Overview

This installation guide contains installation, commissioning, communication, trouble

shooting and information of Growatt MTL series inverters:

Growatt 2500MTL

Growatt 3000MTL

This manual is for qualified personnel who have received training and have

demonstrated skills and knowledge in the construction and operation of this device.

Qualified Personnel are trained to deal with the dangers and hazards involved in

installing electric devices.

Contact

Display and Messages

7.1 LCD display

7.2 LCD control

7.3 Parameters Setting

8.1 ShineNet

8.2 ShineVision

8.3 Shine Pano

Communications

9.1 General question

9.2 Error Messages displayed on LCD

Trouble Shooting

Specifications

Growatt Factory

Warranty

With this installation guide, users are able to install and operate the Growatt MTL

inverters easily. This manual does not cover any details concerning about equipments

connected to the Growatt MTL. Store this manual where accessible at all times.

Notes

responsibilities to inform the users.

: For possible changes in this manual, Growatt New Energy Co., Ltd accepts no

Operation Modes

6.2 Normal Mode

6.4 Shutdown Mode

6.3 Fault Mode

6.1 Waiting Mode

8.4 ShineWebBox

Inverters Overview:

Front and Bottom Overview:

Fig 1.1

Fig 1.2

Grid-tied PV System Overview:

As the drawing shown above, a complete Grid-tied PV system consists of PV modules,

PV inverters, distribution, grid and other components. Moreover, PV inverters always

act as key components.

Fig 1.3

When designing a PV system contains Growatt MTL series inverters or any other

Growatt inverters, the system designing software Shine Design (please download

from Growatt FTP. ftp://113.106.58.169, user name: ftpguest, password: ftpguest)

will provide adequate supports.

Notes

capacity relative to ground of the modules is large, please contact Growatt New

Energy for technical support before installation.

: If PV modules of the PV system require POSITIVE or NEGATIVE GROUND, or the

1.4 Safety

Growatt MTL is designed for global consumers, and is in accordance with most of the

safety standards of various countries and regions.

Below is the brief introduction of GFCI function and isolation function.

2 3

GFCI function

GFCI is short for Ground-Fault Circuit Interrupter which is used for preventing from

being electric shock.

The inverter is equipped with integrated RCD (Residual Current Protective Device)

and RCM (Residual Current Operated Monitor). The current sensor will detect the

volume of the leakage current and compare it with the pre-set value. If the leakage

current is above the permitted range, the RCD will disconnect the inverter from the

AC load.

Input A

Input B

DC Breaker

AC Breaker

GROWATT MTL Inverter

Energy meter Public grid

CE / TUV, EN50178, EN61000-6-2, EN61000-3-2, EN61000-6-3, EN61000-3-3,

VDE0126-1-1, IEC-62109, G83, VDE-AR-N4105, CEI 0-21 , AS4777, AS/NZS3100

Danger to life due to high voltages in the inverter!

All work on the inverter may be carried out by qualified personnel only.

The appliance is not to be used by children or persons with reduced physical, sensory

or mental capabilities, or lack of experience and knowledge, unless they have been

given supervision or instruction.

Children should be supervised to ensure that they do not play with the appliance.

Possible damage to health as a result of the effects of radiation!

DANGER!

CAUTION!

Image1

Image2

Possible damage to the PV modules as a result of Identification of String Failure!

The Growatt MTL Inverter is equipped with a system which recognizes total failure of

individual strings or part-strings.

CAUTION!

Comply with the local requirements for grounding the PV modules and the PV

generator.

Grounding the PV generator

PV Isolation Detection

The ISO function a protection mechanism.

The inverter measures the resistances between both the positive pole and negative

pole of PV panel and earth.

Either of the measured value is lower than the limit, the PV inverter will not connect

to grid, the output relay will stay open, and show ‘PV isolation low’. The limited value

is determined by the standards. The firmware setting of our PV inverters is 5Mohm.

The simplified principle of the isolation resistance measurement is described as

Image1 and Image2.

Do not stay closer than 20 cm to the inverter for any length of time.

Growatt recommends connecting the generator frame and other electrically

conductive surfaces in a manner which ensures continuous conduction and ground

these in order to have optimal protection of the system and personnel.

Notes

and regulation.

: Operation and installation is required to be in compliance with the local laws

Unpacking 2

2.1 Unpacking and Inspection

Notes

packing box softly and avoid disposing the packing box.

: Though the packaging box of Growatt MTL is durable, please treat the

Before opening the packing box of Growatt MTL, please note that whether there are

any visible external damages.

Once open the packing box, please check the delivery for completeness and for any

visible external damages of the inverter. If there are anything damaged or missing,

please contact your dealer. Complete delivery should contain items as follow:

Item

F,G

Number

Description

Growatt MTL inverter

Mounting frame

Mounting screws

Safety-lock screws

Mounting frame screw sleeves

Installation & Operation Manual

2.2 Information of Label

The label contains information as below:

The inverter type/model (Model Name);

The certificates and approvals (Certificate Number and Logos at the bottom of the

label);

Specifications of the inverter (From UDCmax to Operation Ambient Temperature).

3Mounting

3.1 Selecting Mounting Location

This is guidance for installer to choose a suitable installation location, to avoid

potential damages to devices and operators.

Fig 2.1

Fig 2.2

The wall selected to install the inverter must be strong and firm

enough to support and bear the weight of the inverter for a long

period time. (Refer to Chapter 10 Specifications).

The location selected must be suitable for dimensions of Growatt

MTL. (Refer to 3.2 Dimensions and Required Clearances).

Model Name

GROWATT

PV G ri d In verter

UDC max

IDC max

UDC range

AC norm

Protection Degree

Operation Ambient

Temperature

**************

***V

**A/**A

***V~***V

***V

**Hz

****W

**A

1.0

IP65

-30~+60°C

G83

IEC62109 N4105

Model Name

GROWATT

PV G ri d In verter

Certificate Number

UDC max

IDC max

UDC range

AC norm

Protection Degree

Operation Ambient

Temperature

************

***V

**A/**A

***V~***V

***V

**Hz

****W

**A

1.0

IP65

-30~+60°C

AS 4777 & AS 3100

************

Do not install the inverter on structures constructed of flammable

or thermolabile materials.

Never install the inverter in environment of little or no air flow, or

environment of dust. That may derate the efficiency of heat

dissipation, which will derate the conversion efficiency of inverters.

The Ingress Protection rate (IP level) is IP65 which means Growatt

MTL can be installed both indoors and outdoors.

Do not expose the inverter to direct sunlight, in order to avoid the

power and efficiency derating caused by excessive heating.

The humidity of location should be within 0~95% and without

condensation.

The ambient temperature of installation should be within -30℃

+60℃.

The installation location must be freely and safely to get for

operators or electricians at all times.

Vertically installation and make sure the connection of inverter is

downward. Never install horizontal and avoids forward and

sideways tilt, refer to drawing below.

Notice the minimum clearances of the inverter. (Refer to 3.2

Dimensions and Required Clearances).

Do not install Growatt MTL near television antenna or any other

antennas and antenna cables, for possible interferences of

inverter or cables.

Do not install Growatt MTL in living area, the noise caused by

inverter might affect on daily life.

For security reasons, DO NOT install Growatt MTL in place where

the children can reach.

3.2 Dimensions and Required Clearances

Dimensions and weight :

Types Height(H) Width(W) Weight/kg

2500MTL

3000MTL

152

360

15.6

Depth(D)

However, additional clearances are required to guarantee running and operation of

Growatt MTL inverters. Especially when several inverters are installed together, the

clearances between inverters and objects are necessary.

421

Fig 3.1

Table 3.1

Overview of the Bracket:

Steps:

Drill holes for screws while using the mounting frame as Fig 3.4. 4 holes for

Growatt 2500MTL/3000MTL.

Fix the mounting frame on the wall as Fig 3.4.

Notes

mounting frame is really firmly mounted on the wall after carefully checking.

: Never mount Growatt MTL on the bracket before you are sure that the

3.4 Mounting Growatt MTL

After the bracket is firmly mounted on the wall, then install Growatt MTL onto the

bracket.

Hang Growatt MTL onto the bracket through the match hooks on bracket and

the back of Growatt MTL.

Rise up the Growatt MTL a little higher than the bracket. During the process

please maintain the balance of Growatt MTL.

Fig 3.3

Fig 3.4

Fig 3.5

3.3 Mounting the Bracket

To install Growatt MTL on the wall, installers should mount the bracket to the wall

firmly as the first step.

Fig 3.2

Cable requirements:

Model _(mm) Area(mm²) AWG no.

2500MTL

3000MTL

_2.05

3.332

Assemble the connector as figures shown below;

4.2 Wiring DC Input

The open circuit voltage of each sting should never exceed 500 Vdc.

The diagram drawing of DC side is shown as Fig 4.2, note that the connectors

are in paired (male and female connectors). The connectors for PV arrays and

inverters are MC (multi-connector) connectors;

Notes

output, please make sure that the AC breaker has been turned off (open).

: The connector must be screwed firmly. Before you operate and wire the AC

Fig 4.1

12 13

Table 4.1

Connect the positive and negative terminal from the PV panels to positive and

negative terminal on the PV inverter. The maximum string currents are varying

from different inverter types;

4 Electrical Connections

4.1 Wiring AC Output

Measure the public grid voltage and frequency (Voltage: 230 Vac; Frequency:

50Hz/60Hz; in single phase).

Open the breaker or fuse between the PV inverter and utility.

Connect cables to relative bolts shown in figure below, specifications of cables

must meet the requirements shown in the table follows;

Type Max. current

2500MTL

3000MTL

10A/10A

Table 4.2

Fig 4.2

Cable requirements:

Model _(mm) Area(mm²) AWG no.

2500MTL

3000MTL

_2.05

3.332

Notes:

Current.

Under no circumstances could the total circuit current exceed the Max.

Notes:

treat the terminal carefully.

To reduce the risk of electric shock, avoid touching the live components and

14 15

Table 4.3

Country Selecting and Commissioning 5

When the PV panels are connected and their output voltage is greater than 100Vdc

but the AC grid is not yet connected, inverter will start up automatically. If it is the

first time to power on the inverter after installation, you may need to select a specific

country* .Otherwise, the interface will stay at the ‘Please Select’ interface all the

time. There are eleven options to select, as the list below.

*If you have ordered the inverter with specific country settings, the parameters have been preset in factory

and you don't need to operate this step any more.

Country/Regulation Name options

VDE0126-1-1

Germany

UK_G83

Italy

France

Denmark

Belgium

Spain

Greece

Turkey

Hungary

// 0

// 1

// 2

// 3

// 4

// 5

// 6

// 7

// 8

// 9

// 10

Please finish the country selecting according to the following steps:

The LCD will quickly switch to and stay at the ‘Please select’ interface

after power on, as Fig 5-1-1.

Single knock on the LCD, countries will vary from one to another along

the above list order. Fig 5-5-2 acts as an example, and Germany is the

second selection.

Fig 5-1-1

Fig 5-1-2

Note: If the country you want to select is not in the above list, please directly select

VDE0126-1-1.

5.1 Country Selecting

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