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Trane RTAA-70 User Manual

Trane RTAA-70
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10 RTAA-SVX01A-EN
Installation — Mechanical
Installation Responsibilities
Generally, the contractor must do the following when installing an RTAA unit:
Install unit on a flat foundation, level (within 1/4” [6 mm] across the
length and width of the unit), and strong enough to support unit loading.
Install unit per the instructions contained in the Installation-Mechanical
and Installation-Electrical sections of this manual.
Where specified, provide and install valves in water piping upstream and
downstream of evaporator water connections to isolate the evaporator
for maintenance, and to balance/trim system.
Furnish and install flow switch to prove chilled water flow.
Furnish and install pressure gauges in inlet and outlet piping of the evapo-
rator.
Furnish and install a drain valve to the bottom of the evaporator.
Supply and install a vent cock to the top of the evaporator.
Furnish and install strainers ahead of all pumps and automatic modulating
valves.
Provide and install field wiring.
Install heat tape and insulate the chilled water lines and any other por-
tions of the system, as required, to prevent sweating under normal oper-
ating conditions or freezing during low ambient temperature conditions.
Start unit under supervision of a qualified service technician.
For remote evaporator units only
Furnish and install refrigerant piping, liquid line isolation valves, refrigerant,
and oil, per instructions outlined in this manual.
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.
Location Requirements
Noise Considerations
•Refer to Trane Engineering Bulletins for application information on RTAA
chillers.
Locate the outdoor unit away from sound-sensitive areas.
If required, install rubber vibration isolators in all water piping and use
flexible electrical conduit.
Refer to “Unit Isolation.
Consult an acoustical engineer for critical applications.

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Trane RTAA-70 Specifications

General IconGeneral
BrandTrane
ModelRTAA-70
CategoryChiller
LanguageEnglish

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