Trane® Precedent™
3- to 10-ton light commercial rooftop units
When it comes to HVAC expenses, every dollar counts. From
your initial investment to monthly utility costs and maintenance,
a light-commercial rooftop unit can have a significant impact
on your bottom line—which is why a Trane® Precedent™ light-
commercial rooftop unit can be the perfect choice.
No competing light-commercial rooftop unit has a lower installed cost than
the Trane Precedent—and with its industry-leading efficiency and low
maintenance requirements, no other unit has a lower total cost of ownership.
And once you’ve made the wise decision that a Trane Precedent light-
commercial rooftop unit is the right solution for your building, it’s good to
know that no other light-commercial rooftop unit can be delivered as quickly
as the Trane Precedent, with most units ready in as few as two weeks—order
to ship.
The lowest costs. The highest efficiency. The fastest delivery time. For all
these reasons and more, a Trane Precedent light-commercial rooftop unit
isn’t just the perfect choice—it’s the only choice to extend the life of your
building and improve the lives of those within it.
The right size for high comfort.
The lowest installed cost and lowest total cost of ownership.
2
Most Trane Precedent
rooftop units can be
ready in as few as two
weeks—the fastest
delivery time in the
industry—so your
project doesn’t get
delayed while waiting
for equipment.
3
Ultra-high efficiency means ultra-low
operating costs
Precedent ultra-high-efficiency models continue the
Trane tradition of leadership in energy efficiency with
these innovations:
• Trane eFlex™ variable-speed compressors and fans
(available fall 2013) deliver the performance building
occupants need, while also delivering the efficiency
building owners want. By precisely matching output to the
cooling demands of the space, Trane eFlex compressors
and fans operate at their fastest levels when demand is
high, and modulate to slower levels when demand is less,
for an ultra-high Energy Efficiency Ratio (EER, which
measures efficiency at peak output) and Integrated Energy
Efficiency Ratio (IEER, a measurement of efficiency at
variable workloads). The result: lower energy use and
smaller energy bills.
• Trane eDrive™ direct-drive fans save energy and operate
more quietly than competing units. These highly efficient
fans feature a beltless design, which reduces maintenance
over the lifetime of the unit and lowers operating costs.
Customized to fit your unique needs and
delivered quickly
Because Trane recognizes that every building is different, we
offer a wide range of factory-installed options on Precedent
rooftop units, such as coated condenser coils, stainless steel
drain pans, unit-mounted circuit breakers and more. Every
Precedent unit can be customized to meet your exact needs,
so you don’t have to compromise.
Factory-installed options are rigorously tested to dramatically
reduce the amount of time and money spent installing and
commissioning units in the field, as well as the chances for
installation errors. Even the most highly configured Precedent
units are ready in as few as two weeks—the fastest delivery
time in the industry. You’ll spend less time waiting for your
new Precedent rooftop unit and more time enjoying its
cooling performance.
The Trane Human Interface Panel: More information,
more effectively delivered
The optional Trane Human Interface Panel (available fall
2013) represents a breakthrough in unit controls, delivering
comprehensive information about system performance on a
large, easy-to-read color touchscreen display. Unlike competing
displays, information shown on the Human Interface Panel is
understandable at a glance—without requiring time-consuming
decoding. Technicians can quickly and easily monitor important
system operating parameters in real time, and compare current
information with past performance—information that can be
invaluable in keeping your Precedent rooftop unit working
optimally. The Human Interface Panel also allows technicians to
change certain system set points right from the panel, aiding in
start-up, preventive maintenance tasks and troubleshooting.
Trane Intelligent Services for 24/7 peace of mind
The available Trane Intelligent Services (TIS) can monitor
and evaluate real-time data from Precedent units around the
clock, 365 days a year. If an immediate or potential problem
is detected, Trane can notify the building operator or dispatch
technicians to the equipment’s location. Continuous monitoring
and expert data analysis can allow problems to be addressed
quickly, reducing the likelihood that building occupant comfort
will be impacted.
The right size for high comfort.
The lowest installed cost and lowest total cost of ownership.
Trane eFlex variable-speed compressor and fan
technology (Available fall 2013)
Trane eFlex™ variable-speed compressors and fans
deliver the performance building occupants need, while
also delivering the efficiency building owners want. By
precisely matching output to the cooling demands of
the space, Trane eFlex compressors and fans operate at
their fastest levels when demand is high, and modulate
to slower levels when demand is less, for an ultra-high
Energy Efficiency Ratio (EER, which measures efficiency
at peak output) and Integrated Energy Efficiency Ratio
(IEER, a measurement of efficiency at variable workloads).
The result: lower energy use and smaller energy bills.
Trane eDrive direct-drive fan technology
Trane eDrive™ direct-drive fans save energy and operate
more quietly than competing units. These highly efficient
fans feature a beltless design, which reduces maintenance
over the lifetime of the unit and lowers operating costs.
Variable air volume (VAV) option (Not shown)
Precedent rooftop systems offer both single-zone and
multi-space VAV. ReliaTel™ controls can integrate with
existing VAV solutions to interface with both Tracer™ and
Tracker™ control platforms. Together, they deliver energy-
efficient solutions for every building need—and require
minimal setup and commissioning. With the single-zone
VAV option, the system modulates indoor fan and stage
compressors as space temperature changes, for increased
part-load efficiency and more precise temperature control.
Trane Human Interface Panel (Available fall 2013)
A large, easy-to-read color touchscreen display delivers
important system information at a glance—without
requiring time-consuming decoding. This factory-installed
option allows technicians to quickly and easily monitor
important system operating parameters in real time, and
compare current information with past performance—
information that can be invaluable in keeping your
Precedent rooftop unit working optimally. The Human
Interface Panel also allows technicians to change certain
system set points right from the panel, aiding in start-up,
preventive maintenance tasks and troubleshooting.
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Trane combines technological innovation with legendary durability
and performance to create the lowest cost of ownership. Trane®
Precedent™ rooftop units not only offer the lowest installed cost,
they also can reduce utility bills and maintenance requirements
to create the lowest total cost of ownership in units that can operate
at peak performance for as long as 20 to 30 years.
Comfort and low cost of ownership
MERV 8 and MERV 13 filters
High-efficiency filtration for better indoor air quality
and occupant comfort. Using a MERV 13 air filter,
Precedent units can remove contaminants as small as 0.3
microns in size, which can include bacteria, cooking oil,
smoke, insecticide dust and paint pigments.
All-aluminum microchannel (MCHE)
condenser coil
A more environmentally friendly condenser coil features
improved durability and reliability. A recessed design
protects fins from incidental damage, while increased coil
rigidity enhances durability. The coil’s design dramatically
reduces the opportunity for leaks, and all-aluminum
construction minimizes corrosion and eliminates formicary
corrosion. An optional coil coating can further safeguard
against corrosion. The coil also uses less refrigerant,
making it more environmentally friendly and meeting
the requirements of LEED EA Credit 4.
Hot gas reheat (Not shown)
Heat energy is recycled from the compressor to reduce
indoor air humidity, eliminating the need for a separate
heat source to do the job—which saves energy and money.
Maintaining proper indoor humidity levels improves indoor
comfort and can eliminate costly moisture-related damage
to the building.
Double-sloped condensate drain pan
Non-corrosive, double-sloped, reversible condensate drain
pan is easy to install and easy to clean, with stainless steel
construction available as an option.
Foil-faced insulation
Foil-faced insulation edges are captured and sealed,
reducing the chance for insulation fibers to enter the air
stream and clog filters, which reduces maintenance needs
and costs.
Hinged access doors
Easy entry to the unit’s service access areas reduces
maintenance time—and reduces the opportunity for
roof damage, too.
Color-coded, numbered wiring
Faster identification of wires helps save time and money
when servicing and diagnosing the unit.
5
Performance
Trane® products are designed, engineered, built
and tested to be solid performers, quietly doing
their jobs year after year with minimal need for
maintenance and repairs. The Trane Precedent™
light-commercial rooftop units build on a long
history of efficient, durable, high-performance
HVAC products. And Trane has the Building
Information Modeling (BIM) objects to support
your building design. Trane BIM objects represent
your exact specifications and are pre-populated
with data unique to each product configuration,
saving time, increasing accuracy and improving
how buildings are constructed.
Innovation
Founded a century ago on the belief that
imagination and inspiration can overcome any
obstacle, the Trane legacy of technological
breakthroughs has made it an industry legend.
Today’s Trane Precedent rooftop units contain
numerous innovative solutions to boost
performance and efficiency while maintaining
high levels of reliability.
Trane solutions:
Making buildings better for life
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Commitment
The Trane commitment to our customers’
satisfaction begins before a product is installed
and lasts for that product’s entire life. As a
company, our livelihood depends on the Trane
reputation—and the Trane reputation depends
both on our products’ performance as well as
our relationships with customers. We want every
Trane customer to stay a Trane customer.
Our commitment to those customers reflects
that wish.
Knowledge
To become and remain an industry leader requires
a full understanding of existing knowledge and a
never-ending quest for new discoveries. For one
hundred years, Trane has built and maintained
its leadership status in the HVAC industry by
employing the brightest and most inquisitive
scientists, engineers and design experts—all
of whom share a singular passion to know
and explore the ever-evolving technology
that improves the lives of our customers.
Visit Trane.com/LCU for more information on Trane Precedent light-commercial units—or contact your local Trane account manager
to learn more.
Trane solutions:
Making buildings better for life
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April 30, 2013
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Scan the code or visit
Trane.com/LCU
to learn more about
Trane® Precedent™
rooftop units.