KStar KSH-3.68k-48 User Manual

1
Contents
1
Preface
.......................................................................................1
2
Safety instructions
................................................................................1
3
Signs
.........................................................................................2
4
System wiring diagram
………………………………………………………………………. 2
5
Installation
.............................................................................................3
5.1
Packing list
.................................................................3
5.2
Machine appearance
............................................................................4
5.3
Installation position
....................................................................4
5.4
Inverter installation
............................................................................5
5.5
Wiring
.............................................................................6
5.5.1
AC wiring
.........................................................................6
5.5.2
PV wiring
......................................................................9
5.5.3
Battery connection
.........................................................10
5.5.4
RS485 Communication connection
....................................................12
5.5.5
RS232 and dry contact
.....................................................13
5.5.6
External CT connection
.....................................................13
6
Instructions for LED indicator
........................................................................15
7
Working mode
....................................................................................16
7.1
Self-generation and self-consumption
......................................................16
7.2
Battery priority
.............................................................................16
7.3
Peak load shifting
...........................................................................16
8
Display and setting
.................................................................................18
9
Alarm code and error code
..................................................................36
10
Fault diagnosis and solutions
............................................................37
11
Machine parameters
………………………………………………………………………40

KStar KSH-3.68k-48 Specifications

General

Brand	KStar
Model	KSH-3.68k-48
Category	Inverter
Language	English

Summary

Preface

Safety Instructions

Signs

System Wiring Diagram

Installation

5.1 Packing List

Details of components included in the inverter's attachment bag for installation.

5.3 Installation Position

Guidelines for choosing an optimal and safe location for inverter installation.

5.4 Inverter Installation

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

5.5 Wiring

Comprehensive guide to connecting various electrical interfaces of the inverter.

5.5.1 AC Wiring

Procedures for connecting the AC power cables to the inverter.

5.5.2 PV Wiring

Instructions for connecting the PV (solar panel) wiring terminals.

5.5.3 Battery Connection

Steps for securely connecting the battery to the inverter for power storage.

Instructions for LED Indicator

Working Modes

7.1 Self-generation and Self-consumption

Mode prioritizing solar energy use for load and storage.

7.2 Battery Priority

Mode prioritizing battery charging from solar energy.

7.3 Peak Load Shifting

Mode for managing energy based on electricity prices.

Display and Setting

8.1.1 PV1 Input Display Interface

Details on how PV1 input voltage, current, and power are displayed.

8.1.13 Status Information

Overview of system and inverter status information.

8.1.14 Error Information

Display of alarm and error codes for troubleshooting.

8.2.1 System Setting

Detailed system settings, including working modes and PV input.

Working mode

Options for selecting the inverter's operational working mode.

8.2.2 Battery Parameters

Configuration options for battery type, voltage, and depth of discharge.

Battery type

Selection of the specific battery type being used with the inverter.

8.2.3 Grid Standard

Selection of the appropriate grid connection standards for the region.

8.2.4 Operation Parameters

Configuration of operational parameters like voltage and frequency.

Low grid voltage

Setting the low voltage protection threshold for the grid.

High grid voltage

Setting the high voltage protection threshold for the grid.

Inquiry and Statistics

Machine Model

Displays the specific model name of the inverter.

Running Records

Displays fault and alarm records, and time of fault.

Time accounting

Displays the operation and grid-connection length in hours.

Restart and Error Handling

Restart

Instructions for restarting the machine for settings to take effect.

Alarm code and error code

Lists alarm and error codes with descriptions for troubleshooting.

Fault diagnosis and solutions

Provides solutions for common problems encountered with the inverter.

Machine Parameters

DC Input Parameters

Specifications for DC input parameters like PV power and voltage.

AC Output Parameters

Specifications for AC output parameters like rated power and voltage range.

Battery Parameters

Specifications related to battery voltage, charge/discharge power, and current.

Grid specification

Grid voltage and frequency specifications for various countries.