SUN21 CCS-M Series Solar Charge Controller User Manual

User manual for SUN21 CCS-M series MPPT solar charge controllers covering installation, operation, safety, and technical specifications for 12V/24V systems.


SUN21 CCS-M Series Solar Charge Controller User Manual - cover page
Brand
Sun21
Document type
User Manual
Language
Portuguese
Pages
29
File format
PDF
File size
791 KB
Published
27 October, 2026
Updated
27 October, 2026
MD5 checksum
18A376D666342229E3A5ECC138F66C3F

About this manual

This manual provides instructions for the SUN21 CCS-M series solar charge controllers, which utilize MPPT technology to maximize energy capture from photovoltaic panels. The document covers safety precautions, installation guidelines, and operational procedures for models CCS-M2024N, CCS-M3024N, and CCS-M4024N. This manual is written in Portuguese.

What's inside

  • Introduction
  • Features
  • Installation
  • Operation and Display
  • Product Protection
  • Technical Parameters
  • Battery Types
  • Conversion Efficiency

Specifications

Battery Voltage12V/24V
Max Open Circuit Voltage92V (25°C); 100V
Max PV Input Power (CCS-M2024N)260W/12V, 520W/24V
Max PV Input Power (CCS-M3024N)400W/12V, 800W/24V
Max PV Input Power (CCS-M4024N)520W/12V, 1040W/24V
MPPT EfficiencyUp to 99.9%

Frequently asked questions

What battery types does the controller support?

The controller supports sealed, gel, flooded, and lithium batteries, as well as user-defined types.

Can the controller be connected to external displays?

Yes, it supports an external LCD screen or a Bluetooth module for displaying operational data and modifying parameters.

Does the controller include over-temperature protection?

Yes, it has a built-in mechanism that reduces charging current linearly when the temperature exceeds the defined value.

Download PDF (791 KB)