Gree GMV-Pdm450W/NaB-M

104
DC Inverter Multi
VRF Service Manual
5 INSTALLATION OF REFRIGERANT PIPING
5�1 Flow Chart of Installation
Installation of
indoor unit
Fabrication according to
piping design dimension
Vacuuming and drying
Installation of connecting
pipes
Expel with nitrogen
Welding
Purge
Airtight test