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Sofar solar 3KTLM-G3 User Manual

Sofar solar 3KTLM-G3
79 pages
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Shenzhen SOFAR SOLAR Co., Ltd.
Solar Grid-tied Inverter
Product Model: SOFAR 3K~6KTLM-G3
User manual

Questions and Answers:

Sofar solar 3KTLM-G3 Specifications

General IconGeneral
Model3KTLM-G3
TypeGrid-tied Inverter
Rated Output Power3000 W
Max. DC Input Power4500 W
Max. DC Input Voltage600 V
Number of MPPTs2
Max. Input Current per MPPT11 A
Max. AC Apparent Power3300VA
Rated Grid Voltage230 V
Grid Voltage Range180-280 V
Rated Grid Frequency50/60 Hz
THDi<3%
DC SwitchYes
Protection DegreeIP65
Cooling MethodNatural Convection
European Efficiency97.0%
Operating Temperature Range-25°C to +60°C
CommunicationRS485
Humidity Range0-100%
Power Factor>0.99 (Adjustable)

Summary

Preface

Outline

Describes the purpose and content of the user manual.

Scope

Lists the specific SOFAR 3K~6KTLM-G3 inverter models covered.

Target Group

Identifies the intended audience for the manual.

Symbols Used

Introduces safety symbols and their meanings within the manual.

1. Basic safety information

Safety instructions

Provides essential safety guidelines for operating the equipment.

Symbols and signs

Explains various safety symbols and their meanings.

Target Audience

Installation requirements

Transport requirements

Electric connection

Operation

Maintenance and repair

EMC / noise level of inverter

1.2. Symbols and signs

Signs on the inverter

2. Product characteristics

Product dimensions

Details the physical size and measurements of the inverter.

Function description

Explains how the inverter functions and its internal modules.

Efficiency curves

Presents graphical data on the inverter's efficiency performance.

Labels on the equipment

2.2. Function characteristics

Function module

Energy management unit

Controls inverter on/off via external signals.

Feeding reactive power into the grid

Discusses the inverter's reactive power output capabilities.

Limiting the active power fed into the grid

Explains active power limitation features.

Self power reduction when grid is over frequency

Describes frequency-based power adjustment for grid stability.

Data transmission

Covers remote monitoring via communication systems.

Software update

Details methods for updating inverter software.

Electrical block diagram

2.3. Efficiency curve

3. Installation

Installation notes

Provides critical safety warnings before proceeding with installation.

3.1. Installation Process

Outlines the step-by-step installation procedure for the inverter.

Checking Outer Packing Materials

Checking Deliverables

3.3. Tools

3.4. Determining the Installation Position

3.5. Moving the SOFAR 3K~6KTLM-G3

3.6. Installing SOFAR 3K~6KTLM-G3

4. Electrical Connections

4.1. Outlines of this chapter

Introduces the scope of the electrical connection section.

Interface

DC switch parameters

PV terminal parameters

4.2. Connecting PGND Cables

4.3. Connecting DC Input Power Cables

Follow-up Procedure

4.4. Connecting AC Output Power Cables

Recommended AC output cable sizing

AC connector wiring

4.5. Com port connection

4.5.1 Logic interface

Logic interface for VDE-AR-N 4105

Logic interface for EN50549-1:2019

4.5.2 RS485 interface

4.5.3 CT interface

Plan A: CT (default)

Plan B: Meter+CT (optional)

4.6. WIFI/GPRS

5. Commissioning of inverter

5.1. Safety inspection before commissioning

Ensures all safety checks are performed prior to inverter startup.

5.2. Start inverter

Step-by-step guide on how to power on the inverter.

5.3. Shutdown inverter

5.4. Setting power quality response modes

6. Operation interface

6.1. Operation and Display Panel

Describes the physical interface elements: display and buttons.

6.2. Standard Interface

Inverter states

6.3. Main Interface

3. Clear Events

4. Set SafetyPara

Default grid settings for different regions

Default volt-watt settings

Default volt-var settings

5. On-Off Control

6. Set Energy

7. Set Address

8. Set Input mode

9. Set Language

10. Set Reflux P

11. EnDRMS

12. IV Curve Scan

13. Autotest Fast

13. Autotest Fast (continued)

14. Autotest STD

"Event List"

"SystemInfo" Interface

(D) Display Time

(E) Software Update

6.4. Update Software

7. Troubleshooting

7.1. Troubleshooting

Procedures for identifying and solving common inverter problems.

Event list

7.2. Maintenance

Inverter cleaning

Instructions for cleaning the inverter unit safely.

Heat sink cleaning

Guidance on cleaning the inverter's heat sink for proper ventilation.

8. Technical data

8.1. Input parameters (DC)

Details on the DC input specifications for the inverter.

8.2. Output parameters (AC)

8.3. Efficiency, Protection and Communication

8.4. General Date

9. Quality Assurance

Applicable products

Lists the specific products covered under the warranty terms.

Definitions

Defines key terms used within the warranty policy.

Warranty Conditions

Scope of the Warranty

Limitation of Liability

Procedure for Claiming a Warranty

Extension of the Warranty Period

Information on purchasing extended warranty coverage for the product.

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