Table of contents
Installer and user reference guide
5
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1D – 2023.02
25 Maintenance and service 144
25.1 Maintenance safety precautions .................................................................................................................................... 144
25.1.1 To prevent electrical hazards ......................................................................................................................... 145
25.2 Checklist for yearly maintenance of the outdoor unit................................................................................................... 146
25.3 About service mode operation ....................................................................................................................................... 146
25.3.1 To use vacuum mode ..................................................................................................................................... 146
25.3.2 To recover refrigerant .................................................................................................................................... 146
26 Troubleshooting 147
26.1 Overview: Troubleshooting ............................................................................................................................................ 147
26.2 Precautions when troubleshooting ................................................................................................................................ 147
26.3 Solving problems based on error codes ......................................................................................................................... 147
26.3.1 Error codes: Overview .................................................................................................................................... 148
26.4 Refrigerant leak detection system.................................................................................................................................. 150
27 Disposal 153
28 Technical data 154
28.1 Service space: Outdoor unit ........................................................................................................................................... 155
28.2 Piping diagram: Outdoor unit ......................................................................................................................................... 157
28.3 Wiring diagram: Outdoor unit ........................................................................................................................................ 158
29 Glossary 162