Daikin VRV IV+ - Page 5

Table of contents
Installer and user reference guide
5
REYQ8~20+REMQ5U7Y1B
VRV IV+ heat recovery
4P561154-1A – 2020.10
21.7 Operating the unit........................................................................................................................................................... 149
22 Hand-over to the user 150
23 Maintenance and service 151
23.1 Maintenance safety precautions .................................................................................................................................... 151
23.1.1 To prevent electrical hazards ......................................................................................................................... 151
23.2 About service mode operation ....................................................................................................................................... 152
23.2.1 To use vacuum mode ..................................................................................................................................... 152
23.2.2 To recover refrigerant .................................................................................................................................... 152
24 Troubleshooting 154
24.1 Solving problems based on error codes ......................................................................................................................... 154
24.2 Error codes: Overview .................................................................................................................................................... 154
25 Disposal 161
26 Technical data 162
26.1 Service space: Outdoor unit ........................................................................................................................................... 162
26.2 Piping diagram: Outdoor unit ......................................................................................................................................... 164
26.3 Wiring diagram: Outdoor unit ........................................................................................................................................ 166
27 Glossary 172