To Connect The Refrigerant Piping To The Outdoor Unit - Daikin Sky Air Advance Series Installer's Reference Manual

WARNING
Never remove the pinched piping by brazing.
Any gas or oil remaining inside the stop valve may blow off
the pinched 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.
6.4.8 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.
1 Do the following:
▪ Remove the service cover (a) with screw (b).
▪ Remove the piping intake plate (c) with screws (d).
a
c
b
d d
2 Choose a piping route (a, b, c or d).
c
a
b
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.
RZA200+250D7Y1B
Sky Air Advance-series
4P573383-1 – 2019.04
b a b
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 Select the correct accessory pipes, depending on the chosen
route:
▪ Front, side and rear route: short liquid and gas pipes.
▪ Bottom route: long liquid and gas pipes.
4 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
5 Connect the field piping to the accessory pipes using the
accessory bend pipes (brazing). Mind the orientation of the
bends.
NOTICE
Always protect the surrounding surfaces (e.g. wiring,
insulation foam, ...) from heat when brazing.
6 Do the following:
▪ Insulate the liquid piping (a) and the gas piping (b).
▪ Wind heat insulation around the curves, and then cover it
with vinyl tape (c).
▪ Make sure the field piping does not touch any compressor
components.
▪ Seal the insulation ends (sealant etc.) (d).
▪ Wrap the field piping with vinyl tape (e) to protect it against
sharp edges
6 Installation
Installer reference guide
17