Daikin FCAHG71HVEB

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Installer and user reference guide

Split system air conditioners

English

Installer and user

reference guide

Split system air conditioners

FCAHG71HVEB

FCAHG100HVEB

FCAHG125HVEB

FCAHG140HVEB

Main Page

Table of Contents2
General Safety Precautions3
About the Documentation3
Meaning of Warnings and Symbols3
For the User3
For the Installer3
General3
Installation Site4
Refrigerant5
Brine6
Water6
Electrical6
About the Documentation7
About this Document7
For the Installer8
About the Box8
Overview: about the Box8
Indoor Unit8
To Unpack and Handle the Unit8
To Remove the Accessories from the Indoor Unit8
About the Units and Options8
Overview: about the Units and Options8
Identification8
Identification Label: Indoor Unit9
About the Indoor Unit9
System Layout9
Combining Units and Options9
Possible Options for the Indoor Unit9
Preparation9
Overview: Preparation9
Preparing the Installation Site9
Installation Site Requirements of the Indoor Unit10
Preparing Refrigerant Piping11
Refrigerant Piping Requirements11
Refrigerant Piping Insulation11
Preparing Electrical Wiring11
About Preparing Electrical Wiring11
Installation11
Overview: Installation11
Mounting the Indoor Unit12
Precautions When Mounting the Indoor Unit12
Guidelines When Installing the Indoor Unit12
Guidelines When Installing the Drain Piping13
Connecting the Refrigerant Piping14
About Connecting the Refrigerant Piping14
Precautions When Connecting the Refrigerant Piping14
Guidelines When Connecting the Refrigerant Piping15
Pipe Bending Guidelines15
To Flare the Pipe End15
To Connect the Refrigerant Piping to the Indoor Unit16
Connecting the Electrical Wiring16
About Connecting the Electrical Wiring16
Precautions When Connecting the Electrical Wiring16
Guidelines When Connecting the Electrical Wiring16
Specifications of Standard Wiring Components17
To Connect the Electrical Wiring on the Indoor Unit17
Configuration18
Field Setting18
Commissioning19
Overview: Commissioning19
Precautions When Commissioning19
Checklist before Commissioning20
To Perform a Test Run20
Error Codes When Performing a Test Run21
Hand-Over to the User21
Disposal21
Technical Data21
Piping Diagram: Indoor Unit21
Wiring Diagram22
Unified Wiring Diagram Legend22
For the User23
12 About the System23
System Layout23
Information Requirements for Fan Coil Units23
User Interface23
Before Operation23
15 Operation24
Operation Range24
Operating the System24
About Operating the System24
About Cooling, Heating, Fan Only, and Automatic Operation24
About the Heating Operation24
To Operate the System24
Using the Dry Program24
About the Dry Program24
To Use the Dry Program24
Adjusting the Air Flow Direction25
About the Air Flow Flap25
Active Circulation Airflow25
To Start the Active Circulation Airflow25
16 Energy Saving and Optimum Operation25
17 Maintenance and Service26
Precautions for Maintenance and Service26
Cleaning the Air Filter, Suction Grille, Air Outlet and Outside Panels26
To Clean the Air Filter26
To Clean the Suction Grille27
To Clean the Air Outlet and Outside Panels27
Maintenance after a Long Stop Period27
Maintenance before a Long Stop Period27
About the Refrigerant27
After-Sales Service and Warranty28
Warranty Period28
Recommended Maintenance and Inspection28
Recommended Maintenance and Inspection Cycles28
Shortened Maintenance and Replacement Cycles28
Troubleshooting29
Symptoms that Are NOT System Malfunctions29
Symptom: the System Does Not Operate29
Symptom: the Fan Speed Does Not Correspond to the Setting29
Symptom: the Fan Direction Does Not Correspond to the Setting30
Symptom: White Mist Comes out of a Unit (Indoor Unit)30
Symptom: White Mist Comes out of a Unit (Indoor Unit, Outdoor Unit)30
Symptom: the User Interface Reads "U4" or "U5" and Stops, but then Restarts after a few Minutes30

Daikin FCAHG71HVEB - Manual

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