Komaes KC3 - User Manual

KC3 PV Charge Controller Instruction Manual


1
KC3
PV CHARGE CONTROLLER
Instruction Manual
Ningbo Komaes Solar Technology Co., Ltd.
1．Characteristics
1.1 PWM to prevent power loss
1.2 Reasonable management for Batteries Charge & Discharge.
1.3 Four Working modes are optional.
1.4 LCD Display clearly indicates Working Status.
1.5 Parameters and working modes can be set up as users’ requirements under different working
conditions.
1.6 Protection for Batteries Overcharge & Overdischarge(Low volt)
Protection for Overload & Short Circuit
Protection for Reverse Polarity of solar modules
Protection for Reverse Polarity & reverse charging (during night time) of Batteries
The function of Voltage Recovery from Charging Voltage Monitor to keep Switch from vibration
1.7 6 LEDs: Charging - green, Full - green, Low volt (Overdischarge) - red,
Operate (Working) - green, Over volt - red, Over load - red
1.8 RS485 communication interface is preformed for PC connection.
1.9 Powerful TVS used for thunder-arresting

Summary

Product Characteristics

Power Management and Features

PWM efficiency, battery management, optional working modes, user configurable parameters.

Display and Protection Systems

LCD display, battery/solar protections, voltage recovery, LED indicators, RS485, and surge protection.

Device Layout and Connections

Component Identification

Identifies LCD, LEDs, buttons, and connection terminals for the charge controller.

Terminal Connections

Details the order and type of connections for modules, batteries, and loads.

Installation and Operating Guidelines

Installation Notices

Provides essential notices for installation, including heat elimination, grounding, and temperature sensor placement.

Electro-management Modes

Explains the Light Switch and Light-on/Time-off modes for automatic load control.

Battery Charging Management

Details the charging process including Precharge, Voltage Limit, and Float Charge with temperature compensation.

Load Control Modes

Describes Time Switch Mode for timed operation and Manual Switch Mode for user control.

Operation and Settings

Data Indication

Details the data displayed on the LCD, including working status, voltage, current, and time.

Parameter Setting

Explains how to use buttons to adjust settings like time, lighting control, and load modes.

Protection and Alarm Functions

Covers overcharge, overdischarge, overvoltage, reverse polarity, and overload protections.

Button Operations

Details the functionality of the four buttons (SET, next, up/increase, down/reduce) for navigation and control.

Indicated LEDs

Explains the meaning of each of the six LEDs for indicating charge status, load status, and working mode.

Warranty and Troubleshooting

Warranty Information

Outlines the one-year warranty terms and conditions for the charge controller.

Malfunction and Troubleshooting Guide

Provides solutions for common malfunctions like failure to save data or incorrect voltage indications.

Technical Specifications

Key Parameters

Lists technical parameters such as rated voltage, charge current, and output current.

Protection Thresholds

Specifies voltage and temperature thresholds for various protections and recovery functions.

Komaes KC3 Specifications

General

Brand	Komaes
Model	KC3
Category	Controller
Language	English