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RT-PRC017-EN8
Features and
Benefits
VariTrac
When Trane’s changeover VAV System
for light commercial applications is
coupled with Precedent, it provides the
latest in technological advances for
comfort management systems and can
allow thermostat control in every zone
served by VariTrac.
• We perform a 100% coil leak test at the
factory. The evaporator and condenser
coils are leak tested at 1375 kPa (200
psig) and pressure tested to 3100 kPa
(450 psig).
• All parts are inspected at the point of
final assembly. Sub-standard parts are
identified and rejected immediately.
• The requirement for cycle testing of
heat exchangers is 10,000 cycles by
ANSI Z21.47. This is the standard
required by both UL and AGA for cycle
test requirments. Trane requires the
design to be tested to 2½ times this
current standard.
• Every unit receives a 100% unit run test
before leaving the production line to
make sure it lives up to rigorous Trane
requirements.
We test designs at our factory not on
our customers!
Quality And Reliability Testing
• All Precedent
™
designs were rigorously
rain tested at the factory to ensure
water integrity.
• Actual shipping tests were performed
to determine packaging requirements.
Units were test shipped around the
country to determine the best
packaging.
• Factory shake and drop tests were
used as part of the package design
process to help assure that the unit
arrives at the job site in top condition.
• Rigging tests include lifting a unit into
the air and letting it drop one foot,
assuring that the lifting lugs and rails
hold up under stress.
VariTrac
™