Table of contents
Installer and user reference guide
2
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1 – 2020.01
Table of contents
1 About the documentation 6
1.1 About this document ...................................................................................................................................................... 6
2 General safety precautions 7
2.1 About the documentation .............................................................................................................................................. 7
2.1.1 Meaning of warnings and symbols ................................................................................................................ 7
2.2 For the installer............................................................................................................................................................... 8
2.2.1 General ........................................................................................................................................................... 8
2.2.2 Installation site ............................................................................................................................................... 9
2.2.3 Refrigerant...................................................................................................................................................... 9
2.2.4 Brine................................................................................................................................................................ 11
2.2.5 Water .............................................................................................................................................................. 12
2.2.6 Electrical ......................................................................................................................................................... 12
3 Specific installer safety instructions 14
3.1 Instructions for equipment using R32 refrigerant ......................................................................................................... 17
3.1.1 Installation space requirements..................................................................................................................... 18
3.1.2 System layout requirements .......................................................................................................................... 19
3.1.3 To determine the charge limitations ............................................................................................................. 23
For the user 28
4 User safety instructions 29
4.1 General............................................................................................................................................................................ 29
4.2 Instructions for safe operation ....................................................................................................................................... 30
5 About the system 32
5.1 System layout.................................................................................................................................................................. 32
6 User interface 33
7 Before operation 34
8 Operation 35
8.1 Operation range.............................................................................................................................................................. 35
8.2 Operating the system ..................................................................................................................................................... 35
8.2.1 About operating the system........................................................................................................................... 35
8.2.2 About cooling, heating, fan only, and automatic operation ......................................................................... 35
8.2.3 About the heating operation.......................................................................................................................... 35
8.2.4 To operate the system (WITHOUT cool/heat changeover remote control switch)...................................... 36
8.2.5 To operate the system (WITH cool/heat changeover remote control switch)............................................. 36
8.3 Using the dry program.................................................................................................................................................... 38
8.3.1 About the dry program................................................................................................................................... 38
8.3.2 To use the dry program (WITHOUT cool/heat changeover remote control switch) .................................... 38
8.3.3 To use the dry program (WITH cool/heat changeover remote control switch) ........................................... 38
8.4 Adjusting the air flow direction ...................................................................................................................................... 40
8.4.1 About the air flow flap.................................................................................................................................... 40
8.5 Setting the master user interface................................................................................................................................... 41
8.5.1 About setting the master user interface........................................................................................................ 41
8.5.2 To designate the master user interface......................................................................................................... 41
9 Energy saving and optimum operation 42
9.1 Available main operation methods ................................................................................................................................ 43
9.2 Available comfort settings .............................................................................................................................................. 43
10 Maintenance and service 44
10.1 Maintenance after a long stop period............................................................................................................................ 44
10.2 Maintenance before a long stop period......................................................................................................................... 45
10.3 About the refrigerant...................................................................................................................................................... 45
10.4 After-sales service and warranty .................................................................................................................................... 46
10.4.1 Warranty period ............................................................................................................................................. 46
10.4.2 Recommended maintenance and inspection................................................................................................ 46
10.4.3 Recommended maintenance and inspection cycles ..................................................................................... 46
10.4.4 Shortened maintenance and replacement cycles ......................................................................................... 47
11 Troubleshooting 49
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