18
|
Piping installation
Installer and user reference guide
84
RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452191-1B – 2020.10
WARNING
ALWAYS recover the refrigerant. Do NOT release them directly into the environment.
Use a vacuum pump to evacuate the installation.
NOTICE
After all the piping has been connected, make sure there is no gas leak. Use nitrogen
to perform a gas leak detection.
18.3.3 To route the refrigerant piping
Installation of refrigerant piping is possible as top connection (standard) or front
connection.
In case of top connection
a
In case of front connection
Remove and change the position of the pipe service plate (a) as shown in figure
below.
a
18.3.4 To connect the refrigerant piping to the outdoor unit
INFORMATION
All local inter unit piping are field supplied except the accessory pipes.