Daikin VRV 5-S Series - 18.3.4 Performing a Leak Test; 18.3.5 Performing Vacuum Drying

18 | Piping installation
Installer and user reference guide
90
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1D – 2023.02
2 Choose a piping route (a, b, c or d).
a
d
b
c
a Front
b Side
c Rear
d Bottom
INFORMATION
b b bb
a
a
▪ Remove the knockout hole (a) in the bottom plate or cover plate by tapping on
the attachment points with a flat head screwdriver and a hammer.
▪ Optionally, cut out the slits (b) with a metal saw.
NOTICE
Precautions when making knockout holes:
▪ Avoid damaging the casing and underlying piping.
▪ After making the knockout holes, we recommend to remove the burrs and paint
the edges and areas around the edges using repair paint to prevent rusting.
▪ When passing electrical wiring through the knockout holes, wrap the wiring with
protective tape to prevent damage.
3 Do the following:
▪ Connect the accessory liquid pipe (a) to the liquid stop valve (brazing).
▪ Connect the accessory gas pipe (b) to the gas stop valve (brazing).
a
b