Toptech TT-N-721 True Comfort III, T721 True Comfort III Installation Manual

INSTALLATION MANUAL

This manual covers TopTech models:

TT-N-721 and T721

Thermostat Applications Guide

noitpircseD

Gas or Oil Heat

Electric Furnace

Heat Pump (No Aux. or Emergency Heat)

Heat Pump (with Aux. or Emergency Heat)

Multi-stage Systems

Heat Only Systems

Heat Only Systems - Floor or Wall Furnaces

Cool Only Systems

Millivolt

Table of Contents

Installation Tips
Thermostat Quick Reference
Subbase Installation
Wiring
Technician Setup
Technician Setup Menu
Mounting and Battery Installation
Set Time
Specifications and Contact

No

No

Yes

Yes

No

No

No

No

No

Page

2
3
4
5
6
7
8
9

10

Power Type

Battery Power
Hardwire (Common Wire)
Hardwire (Common Wire) with Battery Backup

A trained, experienced technician
must install this product.

Carefully read these instructions. You
could damage this product or cause a
hazardous condition if you fail to follow
these instructions.

Need Help?

Una versión española de este
manual puede ser descargada
en www.pro1iaq.com

® U.S. Registered Trademark. Patents pending.
Copyright © 2006 Pro1 IAQ, Inc. All rights reserved.

For assistance with this product please visit
http://www.pro1iaq.com or call Pro1
Customer Care toll-free at 888-Pro1iaq
(776-1427) during normal business hours
(Mon-Fri 9 AM - 6 PM Eastern)

Rev. 0850

1

Wall locations

The thermostat should be installed approximately 4 to 5 feet above the floor.
Select an area with average temperature and good air circulation.

INSTALLATION TIPS

NO NO YES

NO

Do not install thermostat in locations:

• Close to hot or cold air ducts

• That are in direct sunlight

• With an outside wall behind the thermostat

• In areas that do not require conditioning

• Where there are dead spots or drafts (in corners or behind doors)

• Where there might be concealed chimneys or pipes

PRO1 Tip

Pick an installation location that is easy for the user to access. The temperature of the location
should be representative of the building.

2

Getting to know your thermostat

2

1

7

Displays the user
selectable setpoint

LCD

1

Days of the
week and time

6

Button
options

temperature.

System operation
indicators: The COOL,
HEAT or FA N icon will
display when the COOL,
HEAT or FAN is on.

NOTE: The compressor
delay feature is active if
these icons are flashing.
The compressor will not
turn on until the 5 minute
delay has elapsed.

3 4

2

Glow in the Dark Light Button

Fan Switch

3

System Switch

4

Easy Change Battery Door

5

Setpoint Buttons

6

User Buttons

7

Low Battery Indicator:

5

Indicates the current
room temperature.

+1 will appear in the
display when the auxiliary
heat is active.

Replace batteries when
indicator is shown.

Important:

The low battery indicator is displayed
when the AA battery power is low. If
the user fails to replace the battery
within 21 days, the thermostat
display will only show the low battery
indicator as a final warning before the
thermostat becomes inoperable.

3