background image

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

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

Table of Contents

Thermostat Applications Guide

Page

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

Power Type

1

n

o

it

p

ir

c

s

e

D
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

2
3
4
5
6
7
8
9

10

This manual covers TopTech models:

TT-N-721 and T721

Summary of Contents for T721 True Comfort III

Page 1: ...Mounting and Battery Installation Set Time Specifications and Contact U S Registered Trademark Patents pending Copyright 2006 Pro1 IAQ Inc All rights reserved Table of Contents Thermostat Applications...

Page 2: ...ld 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 ther...

Page 3: ...t Buttons 6 User Buttons 7 Displays the user selectable setpoint temperature System operation indicators The COOL HEAT or FAN icon will display when the COOL HEAT or FAN is on NOTE The compressor dela...

Page 4: ...roducts are mercury free However if the product you are replacing contains mercury dispose of it properly Your local waste management authority can give you instructions on recycling and proper dispos...

Page 5: ...al connections on the thermostat that is being replaced In some cases the wiring connections will not be color coded For example the green wire may not be connected to the G terminal Loosen the termin...

Page 6: ...gency heat relay W2 Y G O R C B E Select F or C with the jumper pin on the back of the thermostat F is for Fahrenheit and C is for Celsius 12 or 24 hour military time can be selected with the jumper p...

Page 7: ...wing setting often called cycle rate differential or anticipation is adjustable A smaller swing setting will cause more frequent cycles and a larger swing setting will cause fewer cycles When on this...

Page 8: ...UNT THERMOSTAT BATTERY INSTALLATION Mount Thermostat Align the 4 tabs on the subbase with corresponding slots on the back of the thermostat then push gently until the thermostat snaps in place C O B E...

Page 9: ...ng Use the or key to select the current day of the week Press NEXT STEP The current hour is flashing Use the or key to select the current hour When using 12 hour time make sure the correct a m or p m...

Page 10: ...erminal 1 5 amp maximum all terminals combined 1 F Heating is adjustable from 0 4 F to 2 0 F Cooling is adjustable from 0 4 F to 2 0 F 18 to 30 VAC NEC Class II 50 60 Hz for hardwire common wire Batte...

Reviews: