Sofar 7.5KTLM User Manual

SOFAR 7.5KTLM User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd
I
Contents
Preface..................................................................................................................................... III
1. Basic safety information................................................................................................... - 1 -
1.1. Safety instructions...............................................................................................- 1 -
1.2. Symbols and signs...............................................................................................- 4 -
2. Product characteristics...................................................................................................... - 6 -
2.1. Product dimensions............................................................................................. - 6 -
2.2. Function description............................................................................................- 8 -
2.3. Efficiency curve................................................................................................ - 10 -
3. Installation...................................................................................................................... - 11 -
3.1. Installation Process............................................................................................- 11 -
3.2. Checking Before Installation.............................................................................- 11 -
3.3. Tools..................................................................................................................- 14 -
3.4. Determining the Installation Position............................................................... - 15 -
3.5. Moving the SOFAR 7.5KTLM......................................................................... - 17 -
3.6. Installing SOFAR 7.5KTLM.............................................................................- 18 -
4. Electrical Connections.................................................................................................... - 20 -
4.1. Electrical connection.........................................................................................- 21 -
4.2. Connecting PGND Cables................................................................................ - 21 -
4.3. Connecting DC Input Power Cables................................................................. - 23 -
4.4. Connecting AC Output Power Cables...............................................................- 26 -
4.5. RS485,CT,inverter logic interface connection.................................................. - 29 -
4.6. WIFI/GPRS module installation procedure...................................................... - 34 -
4.7. Communication method....................................................................................- 35 -
5. Commissioning of inverter............................................................................................. - 39 -
5.1. Safety inspection before commissioning.......................................................... - 39 -
5.2. Start inverter......................................................................................................- 39 -
6. Operation interface......................................................................................................... - 40 -
6.1. Operation and Display Panel.............................................................................- 40 -
6.2. Standard Interface............................................................................................. - 41 -
6.3. Main Interface................................................................................................... - 44 -
6.4. Update Software online.....................................................................................- 48 -
7. Trouble shooting and maintenance................................................................................. - 50 -
7.1. Trouble shooting............................................................................................... - 50 -
7.2. Maintenance...................................................................................................... - 59 -
8. Technical data................................................................................................................. - 60 -
8.1. Input parameters (DC)...................................................................................... - 60 -
8.2. Output parameters (AC)....................................................................................- 61 -
8.3. Efficiency,Protection and Communication....................................................... - 62 -
8.4. General Date..................................................................................................... - 63 -
9. Quality Assurance...........................................................................................................- 64 -

Sofar 7.5KTLM Specifications

General

Brand	Sofar
Model	7.5KTLM
Category	Inverter
Language	English

Summary

1. Basic safety information

1.1. Safety instructions

Instructions for safe installation and operation of the inverter.

1.2. Symbols and signs

Explains important safety symbols used in the manual.

2. Product characteristics

2.1. Product dimensions

Details the physical dimensions and views of the inverter.

2.2. Function description

Describes the internal workings and function modules of the inverter.

2.3. Efficiency curve

Presents the efficiency curves of the inverter at different operating points.

3. Installation

3.1. Installation Process

Provides a step-by-step flowchart for installing the inverter.

3.2. Checking Before Installation

Guides on checking outer packaging and deliverables before installation.

3.3. Tools

Lists the necessary tools required for installation and electrical connections.

3.4. Determining the Installation Position

Specifies requirements for choosing an appropriate installation location.

3.5. Moving the SOFAR 7.5KTLM

Details the procedure for safely moving the inverter to its installation position.

3.6. Installing SOFAR 7.5KTLM

Step-by-step guide for physically mounting the inverter onto the wall.

4. Electrical Connections

4.1. Electrical connection

Overview flowchart for connecting various cables to the inverter.

4.2. Connecting PGND Cables

Instructions for connecting the grounding (PGND) cables to the inverter.

4.3. Connecting DC Input Power Cables

Detailed procedure for connecting DC input power cables to the inverter.

4.4. Connecting AC Output Power Cables

Guide on connecting the AC output power cables to the grid.

4.5. RS485,CT,inverter logic interface connection

Describes connections for communication interfaces like RS485 and CT.

4.6. WIFI/GPRS module installation procedure

Steps for installing the optional WIFI/GPRS communication module.

4.7. Communication method

Explains different methods for communication with the inverter.

5. Commissioning of inverter

5.1. Safety inspection before commissioning

Checks to perform before starting the inverter's commissioning process.

5.2. Start inverter

Instructions on how to safely start and operate the inverter.

6. Operation interface

6.1. Operation and Display Panel

Overview of the inverter's display panel, buttons, and indicator lights.

6.2. Standard Interface

Shows examples of standard display interfaces for the inverter.

6.3. Main Interface

Details the main menu structure and navigation for inverter settings.

6.4. Update Software online

Procedure for updating the inverter's firmware using an SD card.

7. Trouble shooting

7.1. Trouble shooting

Information and procedures for identifying and solving inverter problems.

7.2. Maintenance

Guidelines for routine maintenance and cleaning of the inverter.

8. Technical data

8.1. Input parameters (DC)

Lists the technical specifications for DC input parameters.

8.2. Output parameters (AC)

Lists the technical specifications for AC output parameters.

8.3. Efficiency,Protection and Communication

Covers efficiency ratings, protection features, and communication standards.

8.4. General Date

Provides general technical data and specifications for the inverter.

9. Quality Assurance

Standard warranty period

Details the standard warranty terms and duration for the inverter.

Extended warranty period

Explains options and procedures for purchasing extended warranty coverage.

Invalid warranty clause

Lists conditions under which the inverter warranty is void.