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Daikin RXYSQ4P8V1B User Manual

Daikin RXYSQ4P8V1B
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INSTALLATION MANUAL
RXYSQ4P8V1B
RXYSQ5P8V1B
RXYSQ6P8V1B
RXYSQ4P8Y1B
RXYSQ5P8Y1B
RXYSQ6P8Y1B
System air conditioner

Table of Contents

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Daikin RXYSQ4P8V1B Specifications

General IconGeneral
BrandDaikin
ModelRXYSQ4P8V1B
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Considerations

General Safety Warnings

Essential safety warnings regarding installation, warnings, and cautions for user protection.

Installation Precautions

Key precautions for safe installation, including professional installation and foundation requirements.

Introduction to VRVIII-S System

System Layout and Unit Combination

Overview of system layout and guidelines for combining indoor and outdoor units.

Accessories and Specifications

Information on standard/optional accessories and reference to technical specifications.

Before Installation Steps

R410A Refrigerant Handling Precautions

Strict cautions for maintaining system cleanliness, dryness, and tightness with R410A refrigerant.

Installation Procedures

Guidance for installing indoor units and BP units for Sky Air and VRV systems.

Unit Handling and Transport

Instructions for safely handling and moving the outdoor unit by its grips.

Selecting the Installation Site

Site Selection Criteria

Guidelines for choosing a suitable installation location, considering ventilation and noise.

Wind Impact on Installation

Considerations for installing the unit in areas prone to strong winds to prevent operational issues.

Installation Precautions

Preventing Unit Falling Over

Methods to ensure the unit is securely installed and does not fall, including fixing methods.

Removing Transportation Stays

Procedure for removing the yellow transportation stay from the compressor leg before operation.

Installation Servicing Space

Non-Stacked Installation Space

Recommended clearances for non-stacked outdoor unit installations, considering airflow and access.

Stacked Installation Space

Clearances required for stacked outdoor unit installations, considering airflow and access.

Refrigerant Pipe Size and Allowable Length

Piping Material Selection

Guidelines for selecting appropriate piping material and thickness for R410A systems.

Pipe Size and Length Limits

Details on allowable pipe lengths and selection of pipe sizes based on system configuration.

Refrigerant Piping Precautions

Brazing Procedure and Precautions

Safe practices for brazing refrigerant piping, including nitrogen purging and flux usage.

Flare Connection Precautions

Guidelines for making secure flare connections, including torque specifications and tool usage.

Refrigerant Piping Installation

Preventing Foreign Object Entry

Methods to prevent dust, dirt, or small animals from entering piping and electrical compartments.

Stop Valve Handling and Usage

Instructions on how to safely operate stop valves for refrigerant control, including opening and closing.

Refrigerant Piping Details

Valve Cover and Service Port Handling

Precautions for handling valve covers and service ports, including tightening torque.

Piping and Insulation Precautions

Advice on connecting field piping and applying insulation to prevent condensation and contact.

Refrigerant Piping Connection Examples

Sky Air/Room AC Unit Connection Example

Diagram and explanation for connecting Sky Air or room air conditioner indoor units.

Refrigerant Branch Kit Selection

Guidance on selecting appropriate refrigerant branch kits for R410A systems.

Pipe Size Selection Details

Pipe Size Selection for Connections

Detailed information on selecting pipe sizes for gas and liquid lines in various connection scenarios.

VRV Indoor Unit Connection Example

VRV Unit Piping Configuration

Diagram and explanation for connecting VRV indoor units, including refnet joint and header.

Refrigerant Charging and Testing

Leak Test and Vacuum Drying

Procedures for performing leak tests and vacuum drying of the refrigerant system.

Additional Refrigerant Charge

Instructions and precautions for adding refrigerant after installation and leak testing.

Refrigerant Information

Details on the refrigerant used (R410A), including GWP and handling information.

Refrigerant Handling and System Settings

Field Settings for BP Unit

Instructions for changing settings for BP units from VRV to Sky Air/Room AC applications.

Adding Refrigerant Procedures

Step-by-step guide for adding refrigerant using automatic charging functions.

Electrical Wiring Work

Internal Wiring Components

Table listing internal wiring components and their designations for electrical work.

Electrical Wiring Precautions

Safety guidelines and best practices for performing electrical wiring installations.

Electrical Wiring Connections

Total System Wiring Examples

Wiring diagrams illustrating total system connections for Sky Air and VRV units.

Power and Transmission Wire Connections

Instructions for connecting power and transmission wires, including port usage and securement.

Power Circuit and Line Connections

Power Circuit and Cable Requirements

Specifications for power circuits and cable requirements, including safety devices.

Field Line Connection: Control and Cool/Heat

Details on field line connections for control wiring and cool/heat selection settings.

Electrical Controls and Selectors

Cool/Heat Selector Operation

Instructions for setting the cool/heat operation mode using selectors and switches.

Option Adaptor Connector

Information on connecting the option adaptor for external control functions.

Before Operation Procedures

Service Precautions

Important safety measures to take before performing maintenance or service on the unit.

Inverter Service Safety

Specific safety precautions related to servicing the unit's inverter components.

Pre-Operation Checks and Settings

Initial Start-up Checks

Essential checks to perform before initial power-up and operation of the unit.

Field Setting Procedures

Instructions for configuring unit settings via DIP switches and push buttons.

Field Setting Configurations

Setting Mode 1 Configuration

Details on setting mode 1 for cool/heat selection and operation state confirmation.

Setting Mode 2 Configuration

Details on setting mode 2 for various functions like refrigerant charging and low noise operation.

Function-Specific Settings

Configuration options for functions C, D, and E related to noise and power consumption.

Test Operation and Error Codes

Test Operation Procedure

Step-by-step guide for performing the unit's test operation to verify functionality.

Remote Controller Error Codes

List and explanation of error codes displayed on the remote controller during operation.

Operation Checks and Adjustments

Normal Operation Checks (VRV Units)

Procedures for verifying normal operation of VRV indoor units and checking air output.

Temperature Adjustment Confirmation

Steps to confirm correct temperature adjustment and fan control after test operation.

Service Mode Operation

Vacuuming Method for Service

Procedure for vacuuming the system for repair purposes, distinct from initial installation.

Refrigerant Recovery Operation

Steps for recovering refrigerant using a specialized reclaimer during service.

Caution for Refrigerant Leaks

Refrigerant Leak Introduction

Overview of safety measures and regulations concerning refrigerant leaks and R410A.

Maximum Refrigerant Concentration Level

Understanding the calculation and importance of maximum allowable refrigerant concentration levels.

Checking Maximum Concentration Procedure

Steps to calculate and verify refrigerant concentration levels in occupied spaces.

Disposal Requirements

Unit Dismantling and Disposal

Guidelines for the proper dismantling and disposal of the unit, refrigerant, and oil.

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