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Daikin FXLQ20P2VEB User Manual

Daikin FXLQ20P2VEB
16 pages
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INSTALLATION AND
OPERATION MANUAL
FXLQ20P2VEB
FXLQ25P2VEB
FXLQ32P2VEB
FXLQ40P2VEB
FXLQ50P2VEB
FXLQ63P2VEB
FXNQ20P2VEB
FXNQ25P2VEB
FXNQ32P2VEB
FXNQ40P2VEB
FXNQ50P2VEB
FXNQ63P2VEB
System air conditioners

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Daikin FXLQ20P2VEB Specifications

General IconGeneral
ModelFXLQ20P2VEB
CategoryAir Conditioner
Cooling Capacity2.2 kW
Heating Capacity2.5 kW
Energy Efficiency Ratio (Cooling)3.21
Coefficient of Performance (Heating)3.61
Indoor Unit Dimensions (WxHxD)700 x 200 x 620 mm
Airflow Rate8.5 m³/min
Power Supply220-240V, 50Hz
RefrigerantR410A

Summary

Pre-Installation and Site Preparation

Unpacking, Delivery, and Handling

Inspect unit on delivery, unpack carefully, and handle safely.

R410A Refrigerant and Unit Placement

Precautions for R410A, unit placement, and environmental considerations.

General Installation Safety

Safety measures for installation, including electrical and child safety.

Accessories and Refrigerant Information

Included and Optional Unit Accessories

List of standard and optional accessories for unit installation.

Refrigerant R410A Details

Information on R410A refrigerant, GWP, and leak inspection.

Installation Site Selection Criteria

Site Requirements and Conditions

Conditions for choosing an installation location for optimal performance and access.

Indoor Unit Installation Procedures

Wall-Mounted Unit Installation

Steps and precautions for securely mounting the unit on a wall.

Floor-Mounted Unit Installation

Steps and precautions for installing the unit on the floor.

Refrigerant Piping Work

Piping Materials and Insulation

Use of approved piping, insulation for leak prevention, and heat resistance.

Flare Connections and Tightening

Proper flare nut tightening torque and preparation for leak-free connections.

Field Piping and Leak Testing

Requirements for licensed technicians, pipe handling, and leak detection procedures.

Brazing and Drain Piping

Brazing Techniques and Safety

Procedures for brazing with nitrogen, filler alloys, and flux usage.

Drain Pipe Installation and Flow

Proper drain pipe installation, slope, and checks for smooth drainage.

Drain Pipe Connection Precautions

Avoiding corrosive connections and preventing drain pipe blockages.

Electric Wiring Work

Electrical Safety and General Wiring

Safety warnings, dedicated power supply, authorized electricians, and wire types.

Terminal Connections and Torque

Procedures for connecting wires to terminals and recommended tightening torques.

Wiring Management and Noise Prevention

Guidelines for multi-unit wiring, grounding, wire separation, and electrical noise.

Electrical Specifications and Wiring

Power Supply and Wire Specs

Details on electrical characteristics, fuses, and wire sizing.

Control Box and Remote Wiring

Connecting power, remote, and transmission wiring to the control box and unit.

Wiring Examples and Field Settings

System Wiring Configurations

Examples of wiring for various system setups (single, group, BS unit).

Remote Controller Field Settings

Configuring the remote controller for specific installation conditions.

Computerised Control Setup

Wiring and setting for external forced off and on/off operations.

Test Operation and Troubleshooting

Error Code Interpretation

Guide to understanding remote controller error codes for troubleshooting.

Unit Maintenance

Air Filter Cleaning Procedure

Instructions for cleaning the air filter, including frequency and methods.

Cleaning and Long-Term Storage

Cleaning External Surfaces

Procedures for cleaning air outlets, panels, and drain strainers.

Startup and Shutdown Procedures

Steps for starting up after a long stop and shutting down for extended periods.

Wiring Diagram and Notes

Component and Wire Identification

Key for understanding wiring diagram symbols, colors, and components.

Wiring Connection Guidelines

Important notes on using copper conductors and remote controller connections.

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