Connecting The Refrigerant Piping; Routing Refrigerant Piping; To Connect The Refrigerant Piping To The Outside Unit; Multi Connection Piping Kit Connection - Daikin VRV W T Serie Manual De Instalación

5 Installation
NOTE
After all the piping has been connected, make sure there is
no gas leak. Use nitrogen to perform a gas leak detection.
5 .3 .2

Connecting the refrigerant piping

Before connecting the refrigerant piping, make sure the outside and
indoor units are mounted.
Connecting the refrigerant piping involves:
▪ Routing and connecting the refrigerant piping to the outside unit
▪ Protecting the outside unit against contamination
▪ Connecting the refrigerant piping to the indoor units (see the
installation manual of the indoor units)
▪ Connecting the multi-connection piping kit
▪ Connecting the refrigerant branching kit
▪ Keeping in mind the guidelines for:
▪ Brazing
▪ Using the stop valves
▪ Removing the pinched pipes
5 .3 .3

Routing refrigerant piping

RWEQ_TA* series units offer flexibility of both front and top
refrigerant pipe connections.
The units ship from factory configured for refrigerant pipe
installation from top .
a
Front connection:
To convert the installation to where refrigerant piping is connected
from the front; remove two screws of the pipe service plate (a), and
fit the plate with screws in other position as shown in figure below.
a
5 .3 .4 To connect the refrigerant piping to the
outside unit
INFORMATION
All local inter unit piping are field supplied except the
accessory pipes.
Installation manual
20
NOTE
Precautions when connecting field piping. Add brazing
material as shown in the figure.
≤Ø1 inch
1
1
NOTE
▪ 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.
Connect the stop valves to the field piping using the accessory pipes
supplied with the unit.
The connections to the branch kits are the responsibility of the
installer (field piping).
5 .3 .5

Multi connection piping kit connection

NOTE
Improper installation may lead to malfunction of the outside
unit.
▪ Install the joints horizontally, so that the caution label (a) attached
to the joint comes to the top.
▪ Do not tilt the joint more than 15° (see view A).
▪ Do not install the joint vertically (see view B).
15°
A
15°
a
a
Caution label
X Not allowed
O Allowed
▪ Make sure that the total length of the piping connected to the joint
is absolute straight for at least 19-11/16 inch. Only if a straight
field piping of more than 4-3/4 inch is connected, more than 19-
11/16 inch of straight section can be ensured.
5 .3 .6

To connect the refrigerant branching kit

For installation of the refrigerant branching kit, refer to the installation
manual delivered with the kit.
▪ Mount the refnet joint so that it branches either horizontally or
vertically.
▪ Mount the refnet header so that it branches horizontally.
RWEQ96~432TATJU + RWEQ96~432TAYDU
VRV W T-Series water-cooled system air conditioner
>Ø1 inch
1
2 2
1
B
a
4P484115-1A – 2017.10