Daikin FCAG71AVEB User Manual

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Installer and user reference guide

Split system air conditioners

English

Installer and user

reference guide

Split system air conditioners

FCAG35AVEB

FCAG50AVEB

FCAG60AVEB

FCAG71AVEB

FCAG100AVEB

FCAG125AVEB

FCAG140AVEB

Table of Contents

Default Chapter3
- Table of Contents3
1 General Safety Precautions4
- About the Documentation4
  - Meaning of Warnings and Symbols4
- For the User4
- For the Installer4
2 About the Documentation8
- About this Document8
For the Installer9
3 About the Box9
- Overview: about the Box9
- Indoor Unit9
  - To Unpack and Handle the Unit9
4 About the Units and Options9
- Overview: about the Units and Options9
- Identification9
  - Identification Label: Indoor Unit10
- About the Indoor Unit10
- System Layout10
- Combining Units and Options10
  - Possible Options for the Indoor Unit10
5 Preparation11
- Overview: Preparation11
- Preparing Installation Site11
  - Installation Site Requirements of the Indoor Unit11
- Preparing Refrigerant Piping12
  - Refrigerant Piping Requirements12
  - Refrigerant Piping Insulation12
- Preparing Electrical Wiring12
  - About Preparing Electrical Wiring12
6 Installation12
- Overview: Installation12
- Mounting the Indoor Unit13
- Connecting the Refrigerant Piping15
- Connecting the Electrical Wiring17
7 Configuration19
- Field Settings19
8 Commissioning20
- Overview: Commissioning20
- Precautions When Commissioning20
- Checklist before Commissioning21
- To Perform a Test Run21
  - Error Codes When Performing a Test Run22
9 Hand-Over to the User22
10 Disposal22
11 Technical Data22
- Piping Diagram: Indoor Unit22
- Wiring Diagram23
For the User24
12 About the System24
- System Layout24
- Information Requirements for Fan Coil Units24
13 User Interface24
14 Before Operation24
15 Operation25
- Operation Range25
- Operating the System25
- Using the Dry Program26
  - About the Dry Program26
  - To Use the Dry Program26
- Adjusting the Air Flow Direction26
  - About the Air Flow Flap26
16 Energy Saving and Optimum Operation26
17 Maintenance and Service27
- Cleaning the Air Filter, Suction Grille, Air Outlet and Outside Panels27
- Maintenance after a Long Stop Period28
- Maintenance before a Long Stop Period28
- About the Refrigerant28
- After-Sales Service and Warranty28
18 Troubleshooting29
- Symptoms that Are NOT System Malfunctions30

Other manuals for Daikin FCAG71AVEB

Technical Data33 pages

Installation And Operation Manual20 pages

Questions and Answers:

D
Drew GrahamAug 8, 2025
Why is my Daikin FCAG71AVEB not cooling or heating enough?
- M
  moralesrachelAug 8, 2025
  If your Daikin Air Conditioner isn't cooling or heating sufficiently, first ensure that neither the indoor nor outdoor unit's air inlets or outlets are blocked; remove any obstructions to allow free airflow. Next, check the air filter and clean it if clogged. Also, verify that your temperature and fan speed settings are correctly adjusted on the user interface. Close any open doors or windows to prevent drafts. Reduce the number of occupants if there are too many people in the room during cooling. Minimize heat sources and block direct sunlight with curtains or blinds. Finally, ensure the airflow angle is properly adjusted.
J
Julia LucasAug 19, 2025
What to do if my Daikin FCAG71AVEB Air Conditioner system does not operate at all?
- J
  John WeeksAug 19, 2025
  If your Daikin Air Conditioner system isn't operating, first check for a power failure and wait for the power to be restored. Note that the system restarts automatically after power is restored. Then, check for blown fuses or tripped breakers and replace the fuse or reset the breaker if needed.
R
Ricky CollinsAug 28, 2025
What to do if my Daikin FCAG71AVEB Air Conditioner displays a malfunction code?
- S
  Susan KochAug 28, 2025
  If the user interface display of your Daikin Air Conditioner shows the unit number, the operation lamp is flashing, and a malfunction code appears, notify your installer and report the malfunction code.

Daikin FCAG71AVEB Specifications

General

Brand	Daikin
Model	FCAG71AVEB
Category	Air Conditioner
Language	English

Summary

General Safety Precautions

For the User

For the Installer

Refrigerant Handling Precautions

Precautions for handling refrigerants, including safety, environmental impact, and proper procedures.

Brine and Water Safety

Safety guidelines for brine and water, including leak precautions and quality compliance.

Electrical Safety Guidelines

Critical safety measures for electrical connections, wiring, and earthing to prevent shocks and fires.

Preparation for Installation

Installation Site Requirements

Specifies requirements for the installation site, including clearances, noise, and environmental factors.

Refrigerant Piping Preparation

Guidelines for preparing refrigerant piping, including material, size, and insulation.

Installation Procedures

Installation Workflow

Indoor Unit Mounting

Detailed instructions and precautions for securely mounting the indoor unit.

Refrigerant Piping Connection

Procedures and precautions for connecting refrigerant piping between units, including flaring and brazing.

Electrical Wiring Connection

Steps for connecting electrical wiring to the indoor and outdoor units, ensuring proper connections.

Configuration

Field Settings

Instructions for configuring system settings based on installation details and user preferences.

Commissioning

Commissioning Overview

Commissioning Precautions

Important safety and operational notes to consider before and during commissioning.

Checklist Before Commissioning

A comprehensive checklist to verify all installation and safety requirements are met before starting.

Performing a Test Run

Procedure for conducting a test run to verify system functionality and detect potential issues.

Hand-over to the User

User Operation Explanation

Error Codes During Test Run

Lists common error codes displayed during testing and their possible causes.

Technical Data and Diagrams

Wiring Diagram

User Interface

Controller Precautions

Before Operation

Pre-Operation Warnings

Essential warnings and prerequisites to ensure safe and correct operation.

System Operation

Operation Range

Operating the System

Cooling, Heating, and Fan Modes

Energy Saving and Optimum Operation

Energy Saving Tips

Maintenance and Service

Cleaning Filters and Grilles

After-Sales Service and Warranty

Troubleshooting

Maintenance Cycles

Recommended cycles for maintenance and replacement of key components.

Shortened Maintenance Cycles

Symptoms Not Indicating Malfunctions

System Does Not Operate

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