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Daikin FCA125AV16 User Manual

Daikin FCA125AV16
68 pages
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DA
SPLIT SYSTEM

INSTALLATION MANUAL
OPERATIONAL MANUAL
Air Conditioner
Ceiling mounted cassette type
INDOOR
FCA
1
2
5
AV
1
6
FCA
1
40AV
1
6
OUTDOOR
RZCA
1
2
5
AV
1
6
RZCA
1
40AV
1
6
Page No.
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English
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Daikin FCA125AV16 Specifications

General IconGeneral
BrandDaikin
ModelFCA125AV16
CategoryAir Conditioner
LanguageEnglish

Summary

1. Safety Precautions

Meaning of Warning and Caution Notices

Explains the meaning of WARNING and CAUTION notices for safety.

2. Before Installation

2-1. Accessories

Lists and describes the accessories included with the unit.

2-2. Optional Accessories

Details optional accessories required for the indoor unit.

3. Selecting Installation Site

Installation Site Selection Criteria

Lists conditions for selecting a suitable installation location for the indoor unit.

4. Preparations Before Installation

Ceiling Opening and Bolt Position

Details the relation between ceiling opening dimensions and suspension bolt positions.

5. Indoor Unit Installation

5-1. For New Ceilings

Instructions for installing the indoor unit in new ceiling constructions.

5-2. For Existing Ceilings

Instructions for installing the indoor unit in existing ceiling constructions.

6. Refrigerant Piping Work

Refrigerant Piping Work Precautions

General precautions for refrigerant piping work.

7. Drain Piping Work

Rig Drain Piping

Instructions for properly installing drain piping to ensure drainage.

Precautions for Drain Raising Piping

Guidelines and precautions for installing drain pipes that need to be raised.

Checking Drainage Flow

Procedure to check smooth drainage after piping work is finished.

8. Electric Wiring Work

Specifications for Field Wire

Specifies wiring types, sizes, and lengths for field installation.

Specifications of Standard Wiring Components

Specifies standard wiring components, wire types, sizes, and lengths.

9. Wiring Example

10. Installation of the Decoration Panel

11. Field Setting

11-1. Setting Ceiling Height

Procedure for setting ceiling height based on unit model and environment.

11-2. Setting Air Discharge Direction

Instructions for setting the air discharge direction based on ceiling height and outlet type.

11-3. Setting When an Optional Accessory Is Attached

Guide for setting parameters when optional accessories are connected.

11-4. When Using Wireless Remote Controller

Instructions for setting the wireless remote controller address.

11-5. Setting Fan Speed During Thermostat Off

Adjusting fan speed settings for thermostat OFF modes (cooling/heating).

11-6. Setting Filter Sign

Configuring filter cleaning indicators based on contamination levels.

11-7. Setting Number of Connected Indoor Units in Simultaneous Operation System

Setting the number of connected indoor units for simultaneous operation systems.

11-8. Simultaneous Operation System Individual Setting

Detailed procedure for setting master and slave units in simultaneous operation systems.

12. Test Operation

How to Test Operation

Step-by-step procedure for conducting the test operation of the air conditioner.

12-1. Cautions for Servicing

Malfunction Code List

A list of error codes and their corresponding malfunctions or remarks.

13. Unpacking & Packing of the Indoor Unit

13-1. Unit Unpacking

Step-by-step instructions for unpacking the indoor unit.

13-2. Unit Packing

Step-by-step instructions for packing the indoor unit for transport or storage.

Outdoor Unit Manual - Safety Precautions

Outdoor Unit Manual - Before Installation

Outdoor Unit Manual - Selecting Installation Site

2. Selecting Installation Site (2/2)

Continues selection criteria for installation sites, focusing on wind exposure.

Outdoor Unit Manual - Installation Service Space

3-1. Installation of Single Unit

Specifies installation clearances for single outdoor units based on obstructions.

3-2. In Case of Installing Multiple Units (2 Units or More) in Lateral Connection Per Row

Specifies installation clearances for multiple outdoor units installed in rows.

3-3. In Case of Stacked Installation

Provides installation clearance guidelines for stacked outdoor units.

3-4. In Case of Multiple-Row Installation (For Roof Top Use, Etc.)

Guidelines for installing multiple outdoor units in rows on rooftops.

Outdoor Unit Manual - Precautions on Installation

Outdoor Unit Manual - Refrigerant Piping Work

5-3. Piping Protection

Instructions for protecting refrigerant piping from damage and contamination.

5-4. Refrigerant Piping Size and Allowable Piping Length

Details piping sizes, thickness, bend radius, and allowable lengths for R32 refrigerant.

5-5. Refrigerant Piping Work

Explains how to connect refrigerant piping in four directions and handle stop valves.

Precautions When Brazing the Refrigerant Pipings

Precautions and safety guidelines for brazing refrigerant piping.

6. Airtightness Test and Air-Purge

Procedure for performing a refrigerant leakage check using nitrogen gas.

Air-Purge

Steps for removing air and moisture from the refrigerant circuit using a vacuum pump.

7. Charging the Refrigerant (1/2)

Precautions and guidelines for adding refrigerant based on piping length.

7-1. Precautions for Adding Refrigerant

Precautions and guidelines for adding refrigerant based on piping length.

Outdoor Unit Manual - Electrical Wiring Work

Specifications of Standard Wiring Components

Specifies standard wiring components, wire types, sizes, and lengths.

Outdoor Unit Manual - Check Items Before Test Operation and Filed Setting

Pre-Run Checks

Checklist of essential items to verify before starting test operation and field settings.

Method of Low Night Noise Setting Using the Remote Controller

Guide on how to set the low night noise operation mode via the remote controller.

Outdoor Unit Manual - Test Operation

How to Test Operation

Step-by-step procedure for conducting the test operation of the air conditioner.

Outdoor Unit Manual - How to Re-use the Existing Piping

Precautions on Refrigerant Piping

Precautions for reusing existing refrigerant piping, including cleaning and material checks.

Outdoor Unit Manual - Refrigerant Recovery

Outdoor Unit Manual - Unpacking & Packing Instruction of the Outdoor Unit

14-1. Unit Unpacking

Step-by-step instructions for unpacking the outdoor unit.

14-2. Unit Packing

Step-by-step instructions for packing the outdoor unit for transport or storage.

Operation Manual - Safety Precautions

Precautions for Group Control System or Two Remote Controllers Control System

Information on group control and dual remote controller systems.

Operation Manual - What to Do Before Operation

Operation Manual - Operation Range

Operation Manual - Installation Site

Operation Manual - Operation Procedure

Operation Manual - Operation Characteristics

Characteristics of the Cooling Operation

Explains cooling operation characteristics, including auto cooling and defrost mode.

Characteristics of the Heating Operation

Explains heating operation characteristics, including auto heating and defrost mode.

Characteristics of the Program Dry Operation

Describes the program dry operation for humidity control.

Movement of the Horizontal Blade

Details how the horizontal blade movement is controlled based on operation mode.

Operation Manual - Optimum Operation

Operation Manual - Maintenance

How to Clean the Air Filter

Step-by-step guide on how to clean the air filter.

How to Clean the Suction Grille

Instructions for cleaning the suction grille.

Operation Manual - Not Malfunction of the Air Conditioner

1. The Air Conditioner Does Not Operate

Explains scenarios where the air conditioner may not operate immediately or as expected.

2. The Operation Sometimes Stops

Describes situations where operation temporarily stops due to communication issues.

3. The Fan Speed Is Different From the Setting

Explains why fan speed might not change or seem different from the setting.

4. Airflow Direction Is Different From Setting or Display

Addresses discrepancies between airflow direction settings and actual operation.

5. Horizontal Blades Do Not Close Once Operation Stops

Explains why horizontal blades may not close after operation stops.

6. White Mist Comes Out of the Air Conditioner

Describes the occurrence of white mist during operation, particularly in humid conditions.

7. Noise of Air Conditioners

Details normal operational sounds and their causes.

Operation Manual - Trouble Shooting

1. If the Air Conditioner Does Not Operate At All

Troubleshooting steps for when the air conditioner fails to start.

2. If the Air Conditioner Stops After Operating

Troubleshooting steps for when the air conditioner stops unexpectedly after operation.

3. Insufficient Cooling or Heating Performance

Troubleshooting for insufficient cooling or heating performance.

4. Operation Was Performed or Stopped Without Button Press

Checks for unintended operation due to timers or remote controls.

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