Daikin RXYSA4A7V1B - Page 5

Table of contents
Installer and user reference guide
5
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1 – 2020.01
25.2 Maintenance safety precautions .................................................................................................................................... 141
25.2.1 To prevent electrical hazards ......................................................................................................................... 141
25.3 Checklist for yearly maintenance of the outdoor unit................................................................................................... 142
25.4 About service mode operation ....................................................................................................................................... 142
25.4.1 To use vacuum mode ..................................................................................................................................... 142
25.4.2 To recover refrigerant .................................................................................................................................... 143
26 Troubleshooting 144
26.1 Overview: Troubleshooting ............................................................................................................................................ 144
26.2 Precautions when troubleshooting ................................................................................................................................ 145
26.3 Solving problems based on error codes ......................................................................................................................... 145
26.3.1 Error codes: Overview .................................................................................................................................... 145
26.4 Refrigerant leak detection system.................................................................................................................................. 149
27 Disposal 151
28 Technical data 152
28.1 Service space: Outdoor unit ........................................................................................................................................... 153
28.2 Piping diagram: Outdoor unit ......................................................................................................................................... 155
28.3 Wiring diagram: Outdoor unit ........................................................................................................................................ 156
29 Glossary 160