Table Of Contents - Daikin VRV IV+ RYYQ8U7Y1B Series Installer And User Manual

Table of contents

Installer and user reference guide
2
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 Electrical ......................................................................................................................................................... 11
3 Specific installer safety instructions
For the user
4 User safety instructions
4.1 General............................................................................................................................................................................ 18
4.2 Instructions for safe operation ....................................................................................................................................... 19
5 About the system
5.1 System layout.................................................................................................................................................................. 22
6 User interface
7 Operation
7.1 Before operation............................................................................................................................................................. 25
7.2 Operation range.............................................................................................................................................................. 26
7.3 Operating the system ..................................................................................................................................................... 26
7.3.1 About operating the system........................................................................................................................... 26
7.3.2 About cooling, heating, fan only, and automatic operation ......................................................................... 27
7.3.3 About the heating operation.......................................................................................................................... 27
7.3.4 To operate the system (WITHOUT cool/heat changeover remote control switch)...................................... 28
7.3.5 To operate the system (WITH cool/heat changeover remote control switch)............................................. 28
7.4 Using the dry program.................................................................................................................................................... 29
7.4.1 About the dry program................................................................................................................................... 29
7.4.2 To use the dry program (WITHOUT cool/heat changeover remote control switch) .................................... 29
7.4.3 To use the dry program (WITH cool/heat changeover remote control switch) ........................................... 29
7.5 Adjusting the air flow direction ...................................................................................................................................... 30
7.5.1 About the air flow flap.................................................................................................................................... 30
7.6 Setting the master user interface................................................................................................................................... 31
7.6.1 About setting the master user interface........................................................................................................ 31
7.6.2 To designate the master user interface (VRV DX and Hydrobox) ................................................................. 32
7.7 About control systems .................................................................................................................................................... 32
8 Energy saving and optimum operation
8.1 Available main operation methods ................................................................................................................................ 33
8.2 Available comfort settings .............................................................................................................................................. 34
9 Maintenance and service
9.1 Maintenance after a long stop period............................................................................................................................ 35
9.2 Maintenance before a long stop period......................................................................................................................... 36
9.3 About the refrigerant...................................................................................................................................................... 36
9.4 After-sales service and warranty .................................................................................................................................... 36
9.4.1 Warranty period ............................................................................................................................................. 36
9.4.2 Recommended maintenance and inspection ................................................................................................ 37
9.4.3 Recommended maintenance and inspection cycles ..................................................................................... 37
9.4.4 Shortened maintenance and replacement cycles ......................................................................................... 38
10 Troubleshooting
10.1 Error codes: Overview .................................................................................................................................................... 40
10.2 Symptoms that are NOT system malfunctions............................................................................................................... 43
10.2.1 Symptom: The system does not operate....................................................................................................... 43
10.2.2 Symptom: Cool/Heat cannot be changed over ............................................................................................. 43
10.2.3 Symptom: Fan operation is possible, but cooling and heating do not work ................................................ 43
10.2.4 Symptom: The fan speed does not correspond to the setting...................................................................... 43
10.2.5 Symptom: The fan direction does not correspond to the setting................................................................. 43
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RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546228-1C - 2021.11