Toptech TT-N-721 True Comfort III User Manual

INSTALLATION MANUAL
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?
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)
Installation Tips
Thermostat Quick Reference
Subbase Installation
Wiring
Technician Setup
Technician Setup Menu
Mounting and Battery Installation
Set Time
Specifications and Contact
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Table of Contents
Thermostat Applications Guide
Page
Battery Power
Hardwire (Common Wire)
Hardwire (Common Wire) with Battery Backup
Power Type
1
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
No
No
Yes
Yes
No
No
No
No
No
Rev. 0850
Una versión española de este
manual puede ser descargada
en www.pro1iaq.com
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This manual covers TopTech models:
TT-N-721 and T721

Toptech TT-N-721 True Comfort III Specifications

General

Type	Programmable Thermostat
Display Type	LCD
Temperature Range	45°F to 90°F (7°C to 32°C)
Accuracy	±1°F (±0.5°C)
Battery Life	Up to 1 year

Summary

Installation Tips

Wall Locations

Thermostat placement guidelines, avoiding areas with direct sunlight or drafts.

Thermostat Quick Reference

Getting to Know Your Thermostat

Overview of thermostat components: LCD, buttons, and indicators.

Removing the Private Label Badge

Instructions for safely removing the magnetic private label badge.

Subbase Installation

Vertical Mount

Procedure for installing the subbase in a vertical orientation.

Horizontal Mount

Procedure for installing the subbase in a horizontal orientation.

Wiring

Wiring Connections

Guide to terminal connections for various HVAC system brands.

Technician Setup

Terminal Designations

Explanation of terminal labels and their functions on the thermostat.

Fahrenheit/Celsius Display

Setting the temperature display format to Fahrenheit or Celsius.

12 or 24 Hour Time

Configuring the clock display between 12-hour and 24-hour formats.

Technician Setup Menu

Filter Change Reminder

Enables a display notification for filter replacement.

Room Temperature Calibration

Adjusts the displayed room temperature by +/- 4°F.

Minimum Compressor On Time

Sets minimum compressor run time (3, 4, or 5 minutes).

Compressor Short Cycle Delay

Prevents compressor cycling within 5 minutes of shutoff.

Cooling Swing

Adjustable cooling differential (±0.4°F to ±2°F).

Heating Swing

Adjustable heating differential (±0.4°F to ±2°F).

Gas Auxiliary for Heat Pump

Enables auxiliary gas heat, turning off Y terminal.

Mount Thermostat & Battery Installation

Mount Thermostat

Aligning and snapping the thermostat onto the subbase.

Battery Installation

Installing 2 AA alkaline batteries for backup power.

Set Time

Setting Day and Time

Step-by-step guide to setting the current day and time.

Specifications & Contact Information

Specifications

Technical details including temperature ranges, load rating, and dimensions.

Contact Us

Pro1 IAQ Inc. contact details, including phone, web, and hours.