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RTAD-SVX01F-E4
Installation - Mechanical
Location Requirements
Isolation and Sound Emission
The most effective form of isolation
is to locate the unit away from any
sound sensitive area. Structurally
transmitted sound can be reduced
by elastomeric vibration eliminators.
Spring isolators are not
recommended. Consult an acoustical
engineer in critical sound
applications. For maximum isolation
effect, isolate water lines and
electrical conduit. Wall sleeves and
rubber isolated piping hangers can
be used to reduce the sound
transmitted through water piping. To
reduce the sound transmitted
through electrical conduit, use
flexible electrical conduit. State and
local codes on sound emissions
should always be considered. Since
the environment in which a sound
source is located affects sound
pressure, unit placement must be
carefully evaluated. Sound power
levels for Trane air-cooled RTAD
chillers are available on request.
For additional reduction of sound
and vibration, install the optional
neoprene isolators. Construct an
isolated concrete pad for the unit or
provide concrete footings at the unit
mounting points. Mount the unit
directly to the concrete pads or
footings. Level the unit using the
base rail as a reference. Use shims
as necessary to level the unit.
Neoprene Isolator (optional)
Installation
Refer to submittals for diagrams.
1 Secure the isolators to the
mounting surface using the
mounting slots in the isolator base
plate. DO NOT fully tighten the
isolator mounting bolts at this
time.
2 Align the mounting holes in the
base of the unit with the threaded
positioning pins on the top of the
isolators.
3 Lower the unit onto the isolators
and secure the isolator to the unit
with a nut. Maximum isolator
deflection should be 1/4 inch
(6 mm).
4 Level the unit carefully. Fully
tighten the isolator mounting
bolts.
Noise Considerations
Locate the outdoor unit away from
sound sensitive areas. If required,
install rubber vibration isolators in
all water piping and use flexible
electrical conduit. Consult an
acoustical engineer for critical
applications. Also refer to Trane
Engineering Bulletins for application
information on RTAD chillers.
Important note for Free-cooling
units:
To reduce sound levels, a sound
enclosure can be mounted around
the compressors. For further sound
level reduction, the fan speed
should be forced onto low speed
(e.g. 740 rpm). This can be done
using the control panel. Make sure
that option 20, shown on the wiring
diagram, is correctly wired.
Storage
Extended storage of the outdoor unit
prior to installation requires the
following precautionary measures:
• Store the outdoor unit in a secure
area.
• At least every three months
(quarterly), check the pressure in
the refrigerant circuits to verify that
the refrigerant charge is intact. If it
is not, contact a qualified service
organization and the appropriate
Trane sales office.
• Close the discharge and liquid line
isolation valves.
CAUTION! Refer to nameplate for
unit weight and additional
installation instructions contained
inside the control panel. Other lifting
arrangements may cause equipment
damage or serious personal injury.