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Daikin REYA10A7Y1B User Manual

Daikin REYA10A7Y1B
56 pages
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Installation and operation manual
VRV 5 heat recovery
English
Installation and operation manual
VRV 5 heat recovery
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Table of Contents

Questions and Answers:

Daikin REYA10A7Y1B Specifications

General IconGeneral
ModelREYA10A7Y1B
ManufacturerDaikin
Energy Efficiency Class (Heating)A++
RefrigerantR-32
Operating Temperature Range (Heating)-25°C to 35°C
CategoryAir Conditioner
TypeAir-to-Water Heat Pump
Heating Capacity10.0 kW
Sound Pressure Level Heating45 dB(A) at 10m
Power Supply230V / 50Hz / 1~

Summary

Specific Installer Safety Instructions

Instructions for Equipment Using R32 Refrigerant

Highlights safety measures and warnings specific to R32 refrigerant handling.

Electrical Installation

Covers essential electrical connection procedures and safety compliance.

Commissioning

Details the process for system setup and operational verification.

Troubleshooting

Guidance for installers to identify and resolve common operational problems.

User Safety Instructions

Instructions for Safe Operation

Operation

Maintenance and Service

Troubleshooting

Error Codes: Overview

A comprehensive list and explanation of system error codes.

Solving Problems Based on Error Codes

Procedures for resolving system issues by referencing error codes.

Common Operational Symptoms

Refrigerant Leak Detection System

Explains the functionality and operation of the refrigerant leak detection system.

Special Requirements for R32 Units

Installation Space Requirements

Defines the necessary space, clearances, and room area for R32 unit installations.

System Layout Requirements

Covers R32 system configuration rules and essential safety measures.

About the Charge Limit

To Determine the Charge Limit

Unit Installation

Preparing the Installation Site

Ensures the installation location meets all safety and operational prerequisites.

Opening the Unit

Mounting the Outdoor Unit

Piping Installation

Preparing Refrigerant Piping

Guidelines for selecting materials, sizes, and temper grades for piping.

Connecting the Refrigerant Piping

Detailed steps for connecting refrigerant pipes to various unit components.

Checking the Refrigerant Piping

Procedures for leak testing and vacuum drying of the installed piping.

Charging Refrigerant

Precautions When Charging Refrigerant

Critical safety measures and warnings before initiating refrigerant charging.

About Charging Refrigerant

To Determine the Additional Refrigerant Amount

Methodology for calculating the precise amount of additional refrigerant needed.

To Charge Refrigerant: Flow Chart

To Charge Refrigerant

Error Codes When Charging Refrigerant

Checks After Charging Refrigerant

To Check for Refrigerant Leaks After Charging

Procedure to verify system integrity and detect leaks post-charging.

Electrical Installation

About Electrical Compliance

Safety Device Requirements

Configuration

Making Field Settings

Guides on configuring system parameters via the PCB and 7-segment display.

Using the Leak Detection Function

Commissioning

Precautions When Commissioning

Important safety and preparatory steps before commencing commissioning.

Checklist Before Commissioning

Checklist During Commissioning

About the BS Unit Test Run

About the Test Run

To Perform a Test Run

Correcting After Abnormal Completion of the Test Run

To Perform a BS/Indoor Unit Connection Check

Hand-over to the User

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