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RT-PRC016-EN
Mechanical
Specifications
Control Options
Comm-3/4 Trane Communication
Interface — This factory or field-installed
option shall be provided to interface
microprocessor controlled units with the
Trane Integrated Comfort
™
systems.
Comm-5 LonTalk Communication
Interface — This factory or field-installed
option shall be provided to allow the unit
to communicate as a Trane Comm-5
device or directly with generic LonTalk
Network Building Automation System
Controls.
Zone Sensor — This field-installed
control shall be provided to interface
with the Micro equipped units and shall
be available in either manual, automatic
programmable with night setback, with
system malfunction lights, or remote
sensor options.
Thermostats — Two stage heating and
cooling operation or one stage heating
and cooling shall be available, for field
installation, in either manual or
automatic changeover. Automatic
programmable electronic with night set
back shall also be available.
High Pressure Cutout — Standard on all
units.
Hinged Access Doors — Sheet metal
hinges are available factory-installed on
the Filter/Evaporator, Supply Fan/Heat,
and the Compressor/Control Access
Doors.
Black Epoxy Coated Condenser Coil —
The coil provides corrosion protection to
condenser coils for seacoast application.
The protection is a factory-applied
thermoset vinyl coating, bonded to
normal aluminum fin stock. The uniform
thickness of the bonded vinyl layer
exhibits excellent corrosion protection.
Differential Pressure Switches — These
factory or field-installed sensors allow
individual fan failure and dirty filter
indication for microprocessor controlled
units. The fan failure switch will disable
all unit functions and “flash” the Service
LED on the zone sensor. The dirty filter
switch will light the Service LED on the
zone sensor and will allow continued
unit operation.
Reference Enthalpy Control — Replaces
the dry bulb control with a wet bulb
changeover controller which has a fully
adjustable set point. Enthalpy control
offers a higher level of comfort control,
along with energy savings potential,
than the standard dry bulb control. This
is due to the additional wet bulb sensing
capability. This option shall be available
for microprocessor controlled units. It
can be field-installed, or factory-installed
with the factory-installed economizer.
Differential Enthalpy Control — Replaces
the standard dry bulb control with two
enthalpy sensors that compare total heat
content of the indoor air and outdoor air
to determine the most efficient air
source. This control option offers the
highest level of comfort control, plus
energy efficiency, available. This option
shall be available for microprocessor
controlled units. It can be field-installed,
or factory-installed with the factory-
installed economizer.
Low Ambient Cooling — All
microprocessor units shall have cooling
capabilities down to 18°C (0°F) as
standard.