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Daikin RXQ18AYM User Manual

Daikin RXQ18AYM
80 pages
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Table of Contents

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Daikin RXQ18AYM Specifications

General IconGeneral
BrandDaikin
ModelRXQ18AYM
CategoryInverter
LanguageEnglish

Summary

2. General safety precautions

2.1 Safety precautions

Lists general safety precautions to be followed during installation and operation.

6. Selecting an installation location

6.1 General precautions on installation

Provides essential precautions for selecting an appropriate installation site.

7. Dimensions and service space

9. Refrigerant pipe size and allowable pipe length

10. Precautions on refrigerant piping

10.3 Guidelines for handling stop valve

10.4 Leak test and vacuum drying

10.4.1 General guidelines

Provides general guidelines for leak testing and vacuum drying the refrigerant system.

10.4.2 Installation of refrigerant piping, leak test, vacuuming before electrical installation is done (regular installation method)

Details the standard procedure for leak testing and vacuum drying before electrical hookup.

10.4.3 Installation of refrigerant piping, leak test, vacuuming after electrical installation is done on any indoor or outdoor unit

Describes leak testing and vacuum drying after electrical installation for specific scenarios.

10.4.4 Setup

Explains the setup procedure for leak testing and vacuum drying equipment.

10.4.5 Leak test

Outlines the steps for performing both vacuum and pressure leak tests on the system.

10.4.6 Vacuum drying

Details the procedure for removing moisture from the refrigerant system.

11. Pipe insulation

12. Electrical wiring work

12.1 Precautions on electrical wiring work

Lists critical precautions for performing electrical wiring installations safely and correctly.

12.4 Requirements

Specifies requirements for power supply protection, wiring, and circuit breakers.

12.6 Connection

Describes how to route and connect wiring within the unit.

12.6.1 Connection of transmission wiring to the system

Explains how to connect transmission wiring for single and multi-unit systems.

12.6.2 Connection of wiring to terminals

Details how to connect wiring to the unit's terminals, including torque specifications.

13. Making field settings

14. Charging refrigerant

14.1 Precautions

Lists essential precautions to be taken before and during refrigerant charging.

14.2 Calculating the additional refrigerant charge

Provides formulas and tables for calculating the required additional refrigerant charge.

14.3 Method for adding refrigerant

Details the procedure for adding refrigerant to the system.

14.3.1 Flow chart

Presents a flowchart for the refrigerant charging process.

14.3.2 Charging method

Explains the specific methods for charging refrigerant, including automatic and manual steps.

15. Monitoring function and field settings

16. Test run

16.1 Test operation

Explains the procedure for performing a test run to verify system operation.

16.1.1 Precautions before starting test operation

Lists important precautions to take before initiating the test operation.

16.1.2 Test operation

Details the step-by-step process for conducting the system test operation.

16.1.3 Correcting after abnormal completion of the test operation

Guides on how to correct abnormalities identified during the test operation.

16.2 Malfunction code list

17. Operation of the unit

18. Caution for refrigerant leaks

18.1 Introduction

Introduces safety measures related to refrigerant leaks based on regulations.

18.2 Maximum concentration level

Explains how to calculate the maximum allowable refrigerant concentration level.

18.3 Procedure for checking maximum concentration

Provides a step-by-step procedure for checking maximum refrigerant concentration.

4. Appendix

1. Caution for Refrigerant Leaks

Addresses safety measures and precautions related to refrigerant leaks.

1.1 Introduction

Introduces safety measures related to refrigerant leaks based on regulations.

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