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Daikin RXYSQ5P8Y1B User Manual

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

Table of Contents

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Daikin RXYSQ5P8Y1B Specifications

General IconGeneral
ModelRXYSQ5P8Y1B
CategoryAir Conditioner
Cooling Capacity14.0 kW
Heating Capacity16.0 kW
Cooling Capacity (kW)14.0
Power SourceElectric
Power Supply380-415V / 50Hz / 3Ph
RefrigerantR410A
Operating Temperature (Cooling)-5°C to 46°C
Operating Temperature (Heating)-15°C to 15.5°C

Summary

Safety Considerations

Introduction

System Layout

Describes the layout of BP unit, main/branch piping, and power supply.

Combination

Details compatible indoor unit combinations with outdoor units based on capacity.

Standard Supplied Accessories

Lists standard accessories included with the unit for installation.

Optional Accessories

Lists optional parts required for installation of outdoor units.

Technical and Electrical Specifications

Refers to the Engineering Data Book for complete specifications.

Before Installation

Precautions for R410A

Strict cautions for keeping the R410A system clean, dry, and tight.

Installation

Instructions for installing indoor units, BP units, and handling components.

Handling

Guidance on how to handle and carry the unit safely.

Selecting Installation Site

Precautions on Installation

Installation Method for Prevention of Falling Over

Describes how to secure the unit to prevent it from falling over.

Method for Removing Transportation Stay

Instructions for removing the transportation stay from the compressor.

Method for Installing Drain Piping

Installation Servicing Space

Refrigerant Pipe Size and Allowable Pipe Length

Selection of Piping Material

Guidelines for selecting appropriate piping material and thickness for refrigerant lines.

Precautions on Refrigerant Piping

Cautions for Brazing

Precautions and procedures for brazing refrigerant piping, including nitrogen blow.

Cautions for Flare Connection

Guidelines for making secure flare connections for refrigerant pipes.

Refrigerant Piping

Preventing Foreign Objects from Entering

Instructions to prevent foreign objects from entering the unit during installation.

Cautions for Handling Stop Valve

Precautions when handling the stop valves for refrigerant lines.

How to Use the Stop Valve

Step-by-step guide on opening and closing stop valves.

Cautions for Handling the Valve Cover

Cautions for Handling Service Port

Precautions When Connecting Field Piping and Regarding Insulation

Example of Connection for Sky Air or Room Air Conditioner Indoor Units

Refrigerant Branch Kit Selection

Pipe Size Selection

Example of Connection for VRV Indoor Units

Refrigerant Branch Kit Selection

Selection criteria for refrigerant branch kits for VRV indoor units.

Pipe Size Selection

Details on selecting pipe sizes for VRV indoor unit refrigerant connections.

Caution on Selecting Connection Pipes

Important notes on selecting connection pipes for VRV systems.

Leak Test and Vacuum Drying

Additional Refrigerant Charge

Important Information Regarding the Refrigerant Used

Procedures for Adding Refrigerant

Procedure 1: Adding Refrigerant by Using the Automatic Refrigerant Charging Function (Recommended)

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

Field Settings for BP Unit

Electrical Wiring Work

Internal Wiring - Parts Table

Lists and describes internal components and their designations for wiring.

Before Operation

Service Precautions

Safety precautions to be taken before performing maintenance or service on the unit.

Checks Before Initial Start-up

Field Setting

Handling the Switches

Instructions for operating switches for field settings using an insulated stick.

Location of the DIP Switches, LEDs and Buttons

Identifies the location of DIP switches, LEDs, and buttons on the outdoor unit PCB.

Setting the Push Button Switch (BS1~5)

Explains the function of the push button switches on the outdoor unit PCB.

Setting the Mode

Procedure for changing the unit's operation mode settings.

Setting Mode 1

Possible Settings for Function C

Possible Settings for Function D and E

Setting Mode 2

Confirmation of the Set Mode

Test Operation

Error Codes on the Remote Controller

Lists error codes and their remedial actions for troubleshooting.

Checks in Normal Operation

In Case of Wired Remote Controllers

Procedures for checking normal operation with wired remote controllers.

In Case of Wireless Remote Controllers

Procedures for checking normal operation with wireless remote controllers.

Temperature Adjustment Operation Confirmation

Service Mode Operation

Vacuuming Method

Procedure for vacuuming the system, typically for repair purposes.

Refrigerant Recovery Operation Method by a Refrigerant Reclaimer

Method for recovering refrigerant using a specialized reclaimer.

Caution for Refrigerant Leaks

Introduction

Introduction to refrigerant leak precautions and R410A safety.

Maximum Concentration Level

Explains maximum allowable refrigerant concentration based on room volume.

Procedure for Checking Maximum Concentration

Disposal Requirements

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