18
HDWA-SVX001D-EN
Installation: Mechanical
Location Requirements
Sound Considerations
• Install rubber vibration isolators in all water piping.
• Isolate all pipe hangers and be sure they are not
supported by main structure beams that could
introduce vibration into occupied spaces.
• Make sure that the piping does not put additional
stress on the unit.
NNoottee:: Do not use metal braided type eliminators on
the water piping. Metal braided eliminators
are not effective at the frequencies at which
the unit will operate.
• Use flexible electrical conduit.
• Seal all wall penetrations.
NNoottee:: Consult an acoustical engineer for critical
applications.
Foundation Requirements
Chiller mounting surface must be:
• rigid non-warping mounting pads or a concrete
foundation, and
• able to support the chiller at its full operating
weight (including completed piping and full
operating charges of refrigerant and water).
For proper unit operation, the chiller must be level
within 1/4 in. (6.35 mm) over its length and width when
set into place on the mounting surface. Refer to
“Leveling the Unit,” p. 21 for more information. For
minimum and maximum chiller weights/dimensions in
pounds/inches and kilograms/millimeters, refer to
“Weights (lb),” p. 14 and “Weights (kg),” p. 15,
respectively.
NNoottee:: For specific weight information, refer to the unit
submittal package.
IImmppoorrttaanntt:: Trane will not assume responsibility for
equipment problems resulting from an
improperly designed or constructed
foundation.
Clearances
Provide enough space around the unit to allow the
installation and maintenance personnel unrestricted
access to all service points. Refer to submittal drawings
for the unit dimensions.
Refer to “Unit Clearances,” p. 13 for minimum
clearances required for service. In all cases, local codes
will take precedence over these recommendations.
Ventilation
The unit produces heat even though the compressor is
cooled by the refrigerant. Make provisions to remove
heat generated by unit operation from the equipment
room. Ventilation must be adequate to maintain an
ambient temperature lower than 104°F (40°C).
Vent the evaporator, condenser, and compressor
pressure relief valves in accordance with all local and
national codes. Refer to “Refrigerant Pressure Relief
Valve Venting,” p. 21.
Make provisions in the equipment room to keep the
chiller from being exposed to freezing temperatures
(32°F [0°C]).
Water Drainage
Locate the unit near a large capacity drain for water
vessel drain-down during shutdown or repair.
Condensers and evaporators are provided with drain
connections. Refer to “Overview,” p. 25. All local and
national codes apply.
Access Restrictions
Door clearances are provided in “Unit Clearances,” p.
13. See unit submittals for specific "per unit"
dimensional information.
Operating Environment
IImmppoorrttaanntt::
• The standard chiller is designed for
INDOOR USE ONLY and as such has
NEMA Type 1 enclosures.
• The warranty requires an equipment
room/chiller environment surrounding
the NEMA 1 chiller to be maintained in
the temperature range of 34°F to 104°F
(1.1°C to 40°C) AND at less than 95%
relative humidity (non-condensing
conditions). If your equipment room/
chiller environment does not meet
these conditions, contact your local
Trane Service Agency immediately.
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