Daikin VRV 5-S Series - Default Chapter; Table of Contents

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Table of contents

Installer and user reference guide

RXYSA4~6A7V/Y1B

VRV 5-S system air conditioner

4P600330-1D – 2023.02

Table of contents

1 About this document 6

1.1 Meaning of warnings and symbols................................................................................................................................. 6

2 General safety precautions 8

2.1 For the installer............................................................................................................................................................... 8

2.1.1 General ........................................................................................................................................................... 8

2.1.2 Installation site ............................................................................................................................................... 9

2.1.3 Refrigerant — in case of R410A or R32.......................................................................................................... 9

2.1.4 Brine................................................................................................................................................................ 11

2.1.5 Water .............................................................................................................................................................. 12

2.1.6 Electrical ......................................................................................................................................................... 12

2.1.7 Gas .................................................................................................................................................................. 13

2.1.8 Gas exhaust..................................................................................................................................................... 14

2.1.9 Local legislation .............................................................................................................................................. 14

3 Specific installer safety instructions 16

3.1 Instructions for equipment using R32 refrigerant ......................................................................................................... 18

For the user 21

4 User safety instructions 22

4.1 General............................................................................................................................................................................ 22

4.2 Instructions for safe operation ....................................................................................................................................... 23

5 About the system 27

5.1 System layout.................................................................................................................................................................. 27

6 User interface 28

7 Operation 29

7.1 Before operation............................................................................................................................................................. 29

7.2 Operation range.............................................................................................................................................................. 30

7.3 Operating the system ..................................................................................................................................................... 30

7.3.1 About operating the system........................................................................................................................... 30

7.3.2 About cooling, heating, fan only, and automatic operation ......................................................................... 30

7.3.3 About the heating operation.......................................................................................................................... 31

7.3.4 To operate the system (WITHOUT cool/heat changeover remote control switch)...................................... 31

7.3.5 To operate the system (WITH cool/heat changeover remote control switch)............................................. 32

7.4 Using the dry program.................................................................................................................................................... 32

7.4.1 About the dry program................................................................................................................................... 32

7.4.2 To use the dry program (WITHOUT cool/heat changeover remote control switch) .................................... 33

7.4.3 To use the dry program (WITH cool/heat changeover remote control switch) ........................................... 33

7.5 Adjusting the air flow direction ...................................................................................................................................... 34

7.5.1 About the air flow flap.................................................................................................................................... 34

7.6 Setting the master user interface................................................................................................................................... 35

7.6.1 About setting the master user interface........................................................................................................ 35

7.6.2 To designate the master user interface......................................................................................................... 35

8 Energy saving and optimum operation 36

8.1 Available main operation methods ................................................................................................................................ 37

8.2 Available comfort settings .............................................................................................................................................. 37

9 Maintenance and service 38

9.1 After a long stop period.................................................................................................................................................. 39

9.2 Before a long stop period ............................................................................................................................................... 39

9.3 About the refrigerant...................................................................................................................................................... 39

9.4 After-sales service and warranty .................................................................................................................................... 40

9.4.1 Warranty period ............................................................................................................................................. 40

9.4.2 Recommended maintenance and inspection................................................................................................ 40

9.4.3 Recommended maintenance and inspection cycles ..................................................................................... 41

9.4.4 Shortened maintenance and replacement cycles ......................................................................................... 41

10 Troubleshooting 43

10.1 Error codes: Overview .................................................................................................................................................... 45

10.2 Symptoms that are NOT system malfunctions............................................................................................................... 47

10.2.1 Symptom: The system does not operate....................................................................................................... 47