Table Of Contents - Daikin VRV IV W+ Series Installer And User Reference Manual

Table of contents

Installer and user reference guide
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Table of contents
1 About the documentation
1.1 About this document ......................................................................................................................................................
1.2 Meaning of warnings and symbols.................................................................................................................................
2 General safety precautions
2.1 For the installer ...............................................................................................................................................................
2.1.1 General ...........................................................................................................................................................
2.1.2 Installation site ...............................................................................................................................................
2.1.3 Refrigerant - in case of R410A or R32..........................................................................................................
2.1.4 Brine................................................................................................................................................................ 11
2.1.5 Water .............................................................................................................................................................. 11
2.1.6 Electrical ......................................................................................................................................................... 12
3 Specific installer safety instructions
For the user
4 User safety instructions
4.1 General............................................................................................................................................................................ 17
4.2 Instructions for safe operation ....................................................................................................................................... 18
5 About the system
5.1 System layout.................................................................................................................................................................. 21
6 User interface
7 Before operation
8 Operation
8.1 Operation range.............................................................................................................................................................. 25
8.2 Operating the system ..................................................................................................................................................... 25
8.2.1 About operating the system........................................................................................................................... 25
8.2.2 About cooling, heating, fan only, and automatic operation ......................................................................... 26
8.2.3 About the heating operation.......................................................................................................................... 26
8.2.4 To operate the system (WITHOUT cool/heat changeover remote control switch)...................................... 27
8.2.5 To operate the system (WITH cool/heat changeover remote control switch)............................................. 27
8.3 Using the dry program.................................................................................................................................................... 28
8.3.1 About the dry program................................................................................................................................... 28
8.3.2 To use the dry program (WITHOUT cool/heat changeover remote control switch) .................................... 28
8.3.3 To use the dry program (WITH cool/heat changeover remote control switch) ........................................... 29
8.4 Adjusting the air flow direction ...................................................................................................................................... 29
8.4.1 About the air flow flap.................................................................................................................................... 29
8.5 Setting the master user interface................................................................................................................................... 30
8.5.1 About setting the master user interface........................................................................................................ 30
8.5.2 To designate the master user interface (VRV DX and Hydrobox) ................................................................. 30
8.6 About control systems .................................................................................................................................................... 31
9 Energy saving and optimum operation
9.1 Available main operation methods ................................................................................................................................ 32
9.2 Available comfort settings .............................................................................................................................................. 33
10 Maintenance and service
10.1 Maintenance after a long stop period............................................................................................................................ 34
10.2 Maintenance before a long stop period......................................................................................................................... 35
10.3 About the refrigerant...................................................................................................................................................... 35
10.4 After-sales service and warranty .................................................................................................................................... 35
10.4.1 Warranty period ............................................................................................................................................. 35
10.4.2 Recommended maintenance and inspection ................................................................................................ 36
10.4.3 Recommended maintenance and inspection cycles ..................................................................................... 36
10.4.4 Shortened maintenance and replacement cycles ......................................................................................... 37
11 Troubleshooting
11.1 Error codes: Overview .................................................................................................................................................... 39
11.2 Symptoms that are NOT system malfunctions............................................................................................................... 39
11.2.1 Symptom: The system does not operate....................................................................................................... 39
11.2.2 Symptom: Cool/Heat cannot be changed over ............................................................................................. 39
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VRV IV water-cooled system air conditioner
4P452191-1B - 2020.10
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