5 Installation
Installation manual
20
RWEQ96~432TAYD
∗
+ RWEQ96~432TATJ
∗
VRV W T-Series water-cooled system air conditioner
4×
SW8
2
1
5 .2
Mounting the outside unit
5 .2 .1
To provide the installation structure
Make sure the unit is installed level on a sufficiently strong base to
prevent vibration and noise.
NOTE
When the installation height of the unit needs to be
increased, do not use stands to only support the corners.
▪ The preferred installation is on a solid longitudinal foundation
(steel beam frame or concrete). The foundation must be larger
than the grey marked area.
31.5 inch (800 mm)
23.6 inch (600 mm)
20.3 inch (516 mm)
18.9 inch (480 mm)
26.2 inch (665 mm)
a
Minimum foundation
a
Anchor point (4×)
▪ Secure the unit to its base using foundation bolts. (Use four
commercially available 7/16 inch (M12) foundation bolts, nuts, and
washers.)
▪ The foundation bolt should protrude 13/16 inch (20 mm) from the
foundation surface.
13/16 inch (20 mm)
5 .3
Refrigerant piping
5 .3 .1
Precautions when connecting refrigerant
piping
NOTE
▪ All field piping must be installed by licensed
refrigeration technician and must comply with
applicable local and national codes.
▪ Make sure the field piping and connections are not
subjected to stress.
WARNING
During tests, NEVER pressurize the product with a
pressure higher than the maximum allowable pressure (as
indicated on the nameplate of the unit).
WARNING
Take sufficient precautions in case of refrigerant leakage. If
refrigerant gas leaks, ventilate the area immediately.
Possible risks:
▪ Excessive refrigerant concentrations in a closed room
can lead to oxygen deficiency.
▪ Toxic gas may be produced if refrigerant gas comes
into contact with fire.
WARNING
Always recover the refrigerant. Do NOT release them
directly into the environment. Use a vacuum pump to
evacuate the 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_T
∗
series units offer flexibility of both front and top
refrigerant pipe connections.
The units ship from factory configured for refrigerant pipe
installation from top . Remove two screws of the pipe service
plate (a), and fit the plate with screws in other position as
shown in figure below .
a
Front connection:
Use the front connection pipes (optional accessory) to convert the
installation to one where the refrigerant piping is connected to the
front.
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2020/07/29 16:16:43
