Trane Precedent User Manual

77RT-PRC006-EN
Controls
ReliaTel™ Controlled Units
Zone Sensors are the building
occupant’s comfort control devices for
Precedent™ units with the Micro control:
Manual Changeover
Heat, Cool or Off System Switch. Fan
Auto or Off Switch.
One temperature
setpoint lever.
Manual/Automatic
Changeover
Auto, Heat, Cool or Off System Switch.
Fan Auto or Off Switch. Two temperature
setpoint levers.
Optional Status
Indication LED
lights, System On,
Heat, Cool, or
Service.
Remote Sensor
Sensor(s) available for all zone sensors to
provide remote
sensing capabilities.
Integrated Comfort
TM
System
Sensor(s) available with optional
temperature adjustment and override
buttons to provide
central control
through a Trane
Integrated
Comfort
TM
system.
Dual Thermistor Remote Zone Sensor
This sensor will allow the customer to
reduce the total number of remote
sensors to obtain space temperature
averaging. This sensor should be utilized
with ReliaTel controls.
Digital Display Zone Sensor
The Digital LCD (Liquid Crystal Display)
zone sensor has the look and functionality
of standard zone
sensor s. This sensor
includes a digital
display of set point
adjustment and
space temperature
in F (Fahrenheit) or C
(Celsius). Includes
FAN and SYSTEM
buttons (supports
the service functions
of the standard
sensor). E-squared
memory stores last
programmed set points. Requires 24 VAC
(Volts AC). This sensor should be utilized
with ReliaTel™ controls.
Programmable Night Setback
Auto or manual changeover with seven-
day programming. Keyboard selection of
Heat, Cool, Fan, Auto, or On. All
programmable sensors have System On,
Heat, Cool, Service LED/indicators as
standard. Night Setback Sensors have
one (1) Occupied, one (1) Un-occupied,
and two (2) Override programs per day.
Humidity Sensor
Field installed, wall-mounted or duct-
mounted humidity sensor is used to
control activation of the hot gas reheat
dehumidification
option. The
humidity sensor
can be set for
humidity levels
between 40% and
60% relative
humidity by
adjusting the
ReliaTel Options
Module.
CO
2
Sensing
The CO
2
sensor shall have the ability to
monitor space occupancy levels within
the building by
measuring the
parts per million
of CO
2
(Carbon
Dioxide) in the
air. As the CO
2
levels increase,
the outside air
damper
modulates to
meet the CO
2
space ventilation
requirements.
The CO
2
accessory shall be available as
field installed.

Trane Precedent Specifications

General

Refrigerant	R-410A
Type	Packaged
Stages	Single
Voltage	208/230V or 460V
Heating Options	Electric or Gas