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Daikin RXQ8AYM User Manual

Daikin RXQ8AYM
80 pages
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Table of Contents

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Do you have a question about the Daikin RXQ8AYM and is the answer not in the manual?

Daikin RXQ8AYM Specifications

General IconGeneral
ModelRXQ8AYM
CategoryInverter
Power Supply220-240 V, 50 Hz
Operating Temperature Range (Cooling)10 to 46 °C
Operating Temperature Range (Heating)-15 to 24 °C

Summary

2. General safety precautions

2.1 Safety precautions

Provides crucial safety guidelines to follow during installation to prevent accidents and ensure proper operation.

6. Selecting an installation location

6.1 General precautions on installation

Outlines essential site selection criteria, including foundation, space, and environmental factors.

8. Inspecting and handling the unit

8.3 Installing the unit

Guides on the proper installation of the unit on its base to ensure stability and prevent vibration.

9. Refrigerant pipe size and allowable pipe length

9.2 Selection of piping size

Provides tables and guidance for selecting the correct pipe sizes for various connections.

9.2.1 Piping between outdoor unit and (first) refrigerant branch kit: A, B, C

Details piping sizes for the connection between the outdoor unit and the initial branch kit.

9.2.2 Piping between refrigerant branch kits: D

Specifies piping sizes for connections between refrigerant branch kits based on indoor unit capacity.

9.2.3 Piping between refrigerant branch kit and BP unit: F

Outlines piping sizes for connections between a branch kit and the BP unit for RA indoor units.

9.2.4 Piping between BP unit and RA indoor unit: G

9.2.5 Piping between refrigerant branch kit and indoor unit: E

9.3 Selection of refrigerant branch kits

9.4 System piping (length) limitations

9.4.1 Piping length restrictions

Outlines maximum allowable piping lengths, level differences, and branching rules for system configurations.

9.4.3 System containing VRV indoor units and RA indoor units

9.5 Multi system piping installation

10. Precautions on refrigerant piping

10.1 Caution for brazing

Provides essential safety and procedural guidelines for brazing refrigerant piping to prevent contamination and ensure proper operation.

10.2 Connecting the refrigerant piping

10.2.3 Connecting refrigerant piping to the outdoor unit

Guides on connecting field piping to the outdoor unit, emphasizing the use of accessory pipes and proper insulation.

10.2.4 Branching the refrigerant piping

10.3 Guidelines for handling stop valve

10.4 Leak test and vacuum drying

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 connections are made.

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

Describes an alternative leak test and vacuum drying method after electrical installation, requiring specific settings.

10.4.5 Leak test

10.4.6 Vacuum drying

11. Pipe insulation

12. Electrical wiring work

12.1 Precautions on electrical wiring work

Emphasizes safety and compliance with regulations for all electrical installation work.

12.4 Requirements

12.5 Routing

12.5.1 Transmission wiring routing

Provides rules and limits for routing transmission wiring, including length, branches, and separation from power wiring.

12.5.2 Power supply wiring routing

Guides on routing power supply wiring from the front and left sides of the unit, including knockout hole usage.

12.6 Connection

12.6.1 Connection of transmission wiring to the system

Explains how to connect transmission wiring to the outdoor unit PCB for both single and multi-unit installations.

12.6.2 Connection of wiring to terminals

13. Making field settings

13.2 Operating the push buttons and DIP switches on the logic board

Guides on operating push buttons and DIP switches for system configuration and monitoring.

13.2.1 Operating the push buttons

13.2.2 Operating the DIP switches

14. Charging refrigerant

14.1 Precautions

Lists critical safety precautions and general guidelines before and during refrigerant charging.

14.2 Calculating the additional refrigerant charge

Provides formulas and tables to calculate the necessary amount of additional refrigerant based on piping and capacity.

14.3 Method for adding refrigerant

14.3.1 Flow chart

Presents a visual flowchart for the refrigerant charging procedure, including automatic and manual methods.

14.3.2 Charging method

Details the steps for adding refrigerant, differentiating between automatic charging and pre-charging methods.

14.3.3 Checks after adding refrigerant

16. Test run

16.1 Test operation

Describes the procedure for performing a test run to verify correct system operation after installation.

16.1.1 Precautions before starting test operation

Lists essential precautions to take before initiating the test operation to ensure safety and proper execution.

16.1.2 Test operation

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

16.2 Malfunction code list

Main, Sub code, Contents, Solution

Information code

18. Caution for refrigerant leaks

18.3 Procedure for checking maximum concentration

Details the steps to check maximum concentration and necessary actions to comply with regulations.

4.2 REFNET Joints and Headers

REFNET Headers

5.1 REFNET Joint (Branch Kit)

KHRP26A72T

KHRP26A73T

KHRP26A22T

KHRP26A33T

3 Insulation of Joint

5.2 REFNET Header (Branch Kit)

KHRP26M72H

KHRP26M73H

REFNET HEADER INSTALLATION MANUAL(Except for JAPAN)

4 Insulation of HEADER

5.3 Reducer

5.4 Outdoor Unit Multi Connection Piping Kit

BHFP22P151

6.1 RXQ6AYM / RXQ8AYM / RXQ10AYM / RXQ12AYM

Caution when performing service inside the EL.COMPO.BOX

Provides specific warnings and procedures for safely opening and servicing the EL.COMPO.BOX.

Caution in check operation

Caution for piping work and addition refrigerant charge

To those who carry out service and maintenance

WARNING

Alerts users to be cautious of fan rotation and charged parts during inspection.

6.2 RXQ14AYM / RXQ16AYM / RXQ18AYM / RXQ20AYM

Service Precautions (1/2)

Outlines critical precautions for servicing the EL.COMPO.BOX, including safety measures against electric shock.

Additional refrigerant charging operation

Setting procedure

Details the steps for calculating and performing additional refrigerant charging using the automatic function.

Check operation method

Check operation method

Explains how to perform the check operation automatically and interpret the results displayed on the segment indicator.

Service mode operation method

1.1 Introduction

1.2 Maximum Concentration Level

1.3 Procedure for Checking Maximum Concentration

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