Daikin VRV IV W+ Series, Инструкция для установки и пользователя, Страница: 2 / 144

Table of contents
Installer and user reference guide
2
RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452191-1B – 2020.10
Table of contents
1 About the documentation 6
1.1 About this document ...................................................................................................................................................... 6
1.2 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 .............................................................................................................................................................. 11
2.1.6 Electrical ......................................................................................................................................................... 12
3 Specific installer safety instructions 14
For the user 16
4 User safety instructions 17
4.1 General............................................................................................................................................................................ 17
4.2 Instructions for safe operation ....................................................................................................................................... 18
5 About the system 21
5.1 System layout.................................................................................................................................................................. 21
6 User interface 23
7 Before operation 24
8 Operation 25
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 32
9.1 Available main operation methods ................................................................................................................................ 32
9.2 Available comfort settings .............................................................................................................................................. 33
10 Maintenance and service 34
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 38
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