Trane TCONT802AS32DA User Manual

INSTALLATION INSTRUCTIONS
69-1790-3
U.S. Pat. No. 6595430, D509151, and Other Patents Pending
TCONT802AS32DA Touch Screen and
TCONT803AS32DA Touch Screen with
Dehumidification Control Comfort Controls
18-HD25D19-3
APPLICATION
The TCONT802AS32DA and TCONT803AS32DA Touch Screen Comfort Controls provide electronic control of 24 Vac
heating and cooling systems. See Table 1 for a general description.
MERCURY NOTICE
If this control is replacing a control that contains
mercury in a sealed tube, do not place your old
control in the trash. Dispose of properly.
Contact your local waste management authority
for instructions regarding recycling and the
proper disposal of the old control.
INSTALLATION
When Installing this Product...
1. Read these instructions carefully. Failure to follow
the instructions can damage the product or cause
a hazardous condition.
2. Installer must be a trained, experienced service
technician.
3. After completing installation, use these instructions
to check out the product operation.
Selecting Location
Install the comfort control about 5 ft. (1.5m) above the
floor in an area with good air circulation at average
temperature. See Fig. 1.
Fig. 1. Selecting comfort control location.
Table 1. TCONT802AS32DA and TCONT803AS32DA Comfort Control Description.
Power Method Changeover System Selection Fan Selection Comments
24 Vac common
wire
Automatic or
manual selectable
Heat-Off-Cool-
Auto (Em. Heat
for heat pumps)
On-Auto-Circ System and Fan selection
vary based on system type
System and Fan selection
vary based on System type.
Humidity sensor to control
dehumidification.
5 FEET
[1.5 METERS]
YES
NO
NO
NO
M19925

Trane TCONT802AS32DA Specifications

General

Product Type	Thermostat
Wi-Fi Connectivity	Yes
Display	Color touchscreen
Programmability	7-day programmable
Humidity Control	Yes
Color	White
Compatibility	Compatible with most HVAC systems
Mobile App	Trane Home
Stages	2 heating, 2 cooling
Temperature Range	45°F to 90°F
Energy Saving Features	programmable schedules

Summary

APPLICATION

INSTALLATION

Selecting Location

Instructions for choosing the optimal placement for the comfort control unit.

Installing Wallplate

Guidance on physically mounting the wallplate to the wall.

WIRING

Instructions for connecting wires to the terminal block based on system type.

Powering the Comfort Control

Comfort Control Setup and Use

Mounting the Comfort Control

Step-by-step guide to attaching the comfort control to the wallplate.

Adjusting Real-Time Clock

Instructions for setting the calendar and time on the comfort control.

Using the Comfort Control

How to interact with the touch screen interface and operate the control.

OPERATION

System and Fan Settings

Explanation of system modes (Heat, Off, Cool, Auto) and fan settings.

LED Indication

Describes the meaning of the LED indicator for system status and errors.

Preprogrammed Settings

Overview of default program settings for various periods.

INSTALLER SETUP

SYSTEM CHECKOUT

Installer System Test

Mode for testing HVAC system components and operation.

ADVANCED FEATURES

Outdoor or Indoor Temperature Sensor

Information on temperature sensor readings stabilization time.

Special Heat Pump Features

Details on specific heat pump operational modes and configurations.

Dehumidification Droop Control

How the control manages humidity by adjusting AC operation.

TROUBLESHOOTING