Daikin RXYSA4A7Y1B - Installer And User Guide Manual

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Installer and user reference guide

VRV 5-S system air conditioner

RXYSA4A7V1B

RXYSA5A7V1B

RXYSA6A7V1B

RXYSA4A7Y1B

RXYSA5A7Y1B

RXYSA6A7Y1B

Table of Contents

Default Chapter2
- Table of Contents2
1 About this Document6
- Meaning of Warnings and Symbols6
2 General Safety Precautions8
- For the Installer8
3 Specific Installer Safety Instructions16
- Instructions for Equipment Using R32 Refrigerant18
For the User21
4 User Safety Instructions22
- General22
- Instructions for Safe Operation23
5 About the System27
- System Layout27
6 User Interface28
7 Operation29
- Before Operation29
- Operation Range30
- Operating the System30
- Using the Dry Program32
- Adjusting the Air Flow Direction34
  - About the Air Flow Flap34
- Setting the Master User Interface35
  - About Setting the Master User Interface35
  - To Designate the Master User Interface35
8 Energy Saving and Optimum Operation36
- Available Main Operation Methods37
- Available Comfort Settings37
9 Maintenance and Service38
- After a Long Stop Period39
- Before a Long Stop Period39
- About the Refrigerant39
- After-Sales Service and Warranty40
10 Troubleshooting43
- Error Codes: Overview45
- Symptoms that Are NOT System Malfunctions47
11 Relocation50
12 Disposal51
13 Technical Data52
- Eco Design Requirements52
For the Installer53
14 About the Box54
- Overview: about the Box54
- Outdoor Unit55
15 About the Units and Options57
- Identification57
  - Identification Label: Outdoor Unit57
- About the Outdoor Unit57
- System Layout58
- Combining Units and Options58
16 Special Requirements for R32 Units60
- Installation Space Requirements60
- System Layout Requirements60
- To Determine the Charge Limit65
17 Unit Installation72
- Preparing the Installation Site72
  - Installation Site Requirements of the Outdoor Unit72
  - Additional Installation Site Requirements of the Outdoor Unit in Cold Climates75
- Opening and Closing the Unit76
- Mounting the Outdoor Unit77
18 Piping Installation81
- Preparing Refrigerant Piping81
- Connecting the Refrigerant Piping85
- Checking the Refrigerant Piping92
19 Charging Refrigerant96
- Precautions When Charging Refrigerant96
- About Charging Refrigerant97
- About the Refrigerant97
- To Determine the Additional Refrigerant Amount99
- To Charge Refrigerant100
- Error Codes When Charging Refrigerant102
- To Fix the Fluorinated Greenhouse Gases Label102
- To Check for Refrigerant Leaks after Charging103
- To Insulate the Refrigerant Piping103
20 Electrical Installation106
- About Connecting the Electrical Wiring106
- To Connect the Electrical Wiring to the Outdoor Unit112
- To Connect the External Outputs115
- To Connect the Cool/Heat Selector Switch Option116
- To Check the Insulation Resistance of the Compressor117
21 Finishing the Outdoor Unit Installation119
- To Insulate the Refrigerant Piping119
22 Configuration121
- Overview: Configuration121
- Making Field Settings122
- Energy Saving and Optimum Operation133
23 Commissioning139
- Precautions When Commissioning139
- Checklist before Commissioning140
- Checklist During Commissioning141
- About the Test Run141
- To Perform a Test Run (7-Segment Display)141
- Correcting after Abnormal Completion of the Test Run142
24 Hand-Over to the User143
25 Maintenance and Service144
- Maintenance Safety Precautions144
  - To Prevent Electrical Hazards145
- Checklist for Yearly Maintenance of the Outdoor Unit146
- About Service Mode Operation146
  - To Use Vacuum Mode146
  - To Recover Refrigerant146
26 Troubleshooting147
- Overview: Troubleshooting147
- Precautions When Troubleshooting147
- Solving Problems Based on Error Codes147
  - Error Codes: Overview148
- Refrigerant Leak Detection System150
27 Disposal153
28 Technical Data154
- Service Space: Outdoor Unit155
- Piping Diagram: Outdoor Unit157
- Wiring Diagram: Outdoor Unit158
29 Glossary162

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