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DeepCool FL 3IN1 Series 120/140mm RGB Fan Installation Guide

Quick installation and connection guide for DeepCool FL 3IN1 Series 120/140mm Addressable RGB fans, including mounting steps and wiring diagrams.

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Fan mounting procedure using screws Page 1 Wiring diagram for single and multiple fan configurations Page 2

Quick guide from the manual

This guide provides instructions for the physical installation and electrical connection of the DeepCool FL 3IN1 Series 120/140mm Addressable RGB fans. It covers mounting the fans to a PC case and connecting them to the motherboard or controller.

Package contents

  • 3 x Fans
  • 12 x Mounting screws
  • 1 x Multi-fan connection cable
  • 3 x Individual fan connection cables

Installation

To install the fans into your PC case:

Fan mounting procedure using screws
Fan mounting procedure using screws
  1. Position the fan (A) against the mounting holes of the PC case.
  2. Secure the fan using four of the provided screws (B) per fan.
  3. Repeat for all fans as required by your system configuration.

Connection

The fans utilize two types of connections:

Wiring diagram for single and multiple fan configurations
Wiring diagram for single and multiple fan configurations
  • 4-PIN/CPU_FAN: Connects to the motherboard fan header for power and speed control.
  • Addressable RGB Header: Connects to the 5V D GND header on the motherboard or a compatible RGB controller for lighting synchronization.

You can connect fans individually or use the provided multi-fan cable to daisy-chain them for simplified cable management when using multiple units.

Manufacturer information

DeepCool

Brand profile
Manufacturer website https://www.deepcool.com Support https://www.deepcool.com/support/

Practical help

Common problems

Fan not spinning

Ensure the 4-PIN connector is securely attached to the motherboard CPU_FAN or SYS_FAN header.

RGB lighting not working

Verify that the 3-pin 5V D GND connector is correctly oriented and plugged into a compatible 5V Addressable RGB header on the motherboard.

Before use

  • Verify all 3 fans are present in the package.
  • Ensure you have 12 mounting screws available.
  • Check if your motherboard has available 4-pin fan headers.
  • Confirm your motherboard or controller supports 5V Addressable RGB (3-pin) headers.

Manual page author

Michael Turner

Technical manual editor

Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.