Trane TCONT803AS32DA 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 TCONT803AS32DA Specifications

General

Brand	Trane
Model	TCONT803AS32DA
Category	Thermostat
Language	English

Summary

Installation Instructions

Selecting Location

Choose an installation location with good air circulation, approximately 5 ft. above the floor.

Installing Wallplate

CAUTION Electrical Hazard

Warning about electrical shock and equipment damage; disconnect power before wiring.

Wiring

IMPORTANT Use 18 gauge comfort control wire

Specifies the recommended wire gauge for comfort control wiring.

Powering the Comfort Control

24 Vac Common Power (Recommended)

Details the recommended 24 Vac common power connection method for the comfort control.

Battery Power (Optional)

Explains the optional use of AAA batteries for programming and potential limitations.

Mounting the Comfort Control

Setting Calendar and Time

Instructions for setting the real-time clock and calendar after initial power-up.

Using the Comfort Control

Guidance on interacting with the touch screen interface and using the controls.

Operation

System and Fan Settings

Default settings for system operation (Heat/Off/Cool/Auto) and fan (Auto).

LED Indication (Requires 24 Vac Common Connection)

Explanation of the LED indicator's function, especially in Emergency Heat mode.

System Checkout

Installer System Test

Mode for testing HVAC system components and operation, bypassing compressor off-time.

Advanced Features

Outdoor or Indoor Temperature Sensor

Instructions for stabilizing indoor and outdoor temperature sensors for accurate readings.

Heat Pump with Fossil Fuel Auxiliary Heat (Dual Fuel) and Outdoor Temperature Sensor

Details operation for dual-fuel systems using fossil fuel auxiliary heat and an outdoor sensor.

Heat Pump with Electric Auxiliary (Backup) Heat and Outdoor Temperature Sensor

Explains operation for heat pumps with electric backup heat and an outdoor sensor.

Dehumidification Droop Control

Describes how the control manages dehumidification by running AC below setpoint in high humidity.