XT302C Deluxe Programmable

Heat-Cool Thermostat

18-HD25D7-5

INSTALLER'S GUIDE

APPLICATION

The XT302C Deluxe Programmable Heat-Cool Thermostat provides electrnic control of 24 Vac single-zone multistage systems. Refer to Table 1 for a general description of the thermostat. This thermostat requires a common wire to supply power.

Table 1. Description of XT302C.

Model

System

Changeover

System Selection

Fan Selection

Comments

 

 

 

 

 

 

XT302C

Multistage

Automatic

Heat-Off-Cool-Auto

On-Auto

System and fan selections are done by

 

 

 

 

 

keyboard.

 

 

 

 

 

 

RECYCLING NOTICE

If this thermostat is replacing a thermostat that contains mercury in a sealed tube, do not place your old thermostat in the trash.

Contact your local waste management authority for instructions regarding recycling and the proper disposal of the old thermostat.

Wallplate Installation

Position wallplate horizontally on the wall or on a 2 in. x 4 in. wiring box.

1.Position and level the wallplate for appearance only (the thermostat will function properly even when

not level).

INSTALLATION

When Installing this Thermostat...

1.Read these instructions carefully. Failure to follow the instructions can damage the product or cause a hazardous condition.

2.Check the ratings given in the instructions and on the product to make sure the product is suitable for your application.

3.Installer must be a trained, experienced service technician.

4.After completing installation, use these instructions to check out the product operation.

NO

YES

NO

NO

5FEET

[1.5 METERS]

M17106

Location

Install the thermostat about 5 ft (1.5m) above the floor in an area with good air circulation at average temperature. See Fig. 1. Avoid installing the thermostat where it can be affected by the following:

Drafts, or dead spots behind doors and in corners.

Hot or cold air from ducts.

Radiant heat from sun or appliances.

Concealed pipes and chimneys.

Unheated (uncooled) areas such as an outside wall behind the thermostat.

Fig. 1. Typical location of thermostat.

® U.S. Registered Trademark

 

Copyright © American Standard Inc. 1999

69-1213-1

Page 1
Image 1
Trane XT302C manual Application, Wallplate Installation, When Installing this Thermostat, Location