To Connect The Refrigerant Piping To The Outdoor Unit - Daikin VRV 5-S RXYSA4A7V1B Installation And Operation Manual

14 Piping installation
5 Cut off the lower part of the gas and liquid stop valve pipes
along the black line. Use an appropriate tool (e.g. a pipe cutter).
WARNING
NEVER remove the spun piping by brazing.
Any gas or oil remaining inside the stop valve may blow off
the spun piping.
6 Wait until all oil has dripped out before continuing with the
connection of the field piping in case the recovery was not
complete.
14.2.2 To connect the refrigerant piping to the
outdoor unit
▪ Piping length. Keep field piping as short as possible.
▪ Piping protection. Protect the field piping against physical
damage.
NOTICE
▪ Be sure to use the supplied accessory pipes when
carrying out piping work in the field.
▪ Be sure that the field installed piping does not touch
other pipes, the bottom panel or side panel. Especially
for the bottom and side connection, be sure to protect
the piping with suitable insulation, to prevent it from
coming into contact with the casing.
1 Do the following:
▪ Remove the service cover (a) with screw (b).
▪ Remove the piping intake plate (c) with screws (d).
b
d d
2 Choose a piping route (a, b, c or d).
Installation and operation manual
26
a
c
a
d
a Front
b Side
c Rear
d Bottom
INFORMATION
a
b b
▪ 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
c
b
b a b
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600329-1E – 2023.02