Daikin VRV IV User Manual

Table of contents
Installer and user reference guide
5
RXMLQ8 + RXYLQ10~14T7Y1B*
VRV IV system air conditioner
4P543427-1A – 2020.10
23.1.1 To prevent electrical hazards ......................................................................................................................... 139
23.2 About service mode operation ....................................................................................................................................... 140
23.2.1 To use vacuum mode ..................................................................................................................................... 140
23.2.2 To recover refrigerant .................................................................................................................................... 140
24 Troubleshooting 142
24.1 Solving problems based on error codes ......................................................................................................................... 142
24.2 Error codes: Overview .................................................................................................................................................... 142
25 Disposal 148
26 Technical data 149
26.1 Service space: Outdoor unit ........................................................................................................................................... 149
26.2 Piping diagram: Outdoor unit ......................................................................................................................................... 151
26.3 Wiring diagram: Outdoor unit ........................................................................................................................................ 151
27 Glossary 154

Daikin VRV IV Specifications

General

Type	Variable Refrigerant Volume (VRV)
Series	VRV IV
Refrigerant	R410A
Energy Efficiency	High
Operating Temperature Range (Cooling)	-5°C to 46°C
Operating Temperature Range (Heating)	-20°C to 15.5°C
Installation	Professional installation required
Control	Centralized control system
Indoor Unit Options	Various types including ceiling cassette, wall-mounted, ducted, and floor-standing
Power Supply	380-415V, 3-phase, 50Hz