Honeywell TB7220 - User Manual

PRODUCT DATA
63-2636-03
TB7220 Ultrastat
Programmable Thermostat
APPLICATION
The TB7220 Ultrastat Programmable Thermostat is an
effortless, seven-day programmable thermostat that provides
universal system compatibility, precise comfort control and is
easy-to-program.
The TB7220 provides temperature control for gas, oil, electric
and heat pumps for up to 2 heat, 2 cool systems.
FEATURES
• Large, clear display with backlight shows the current
and set temperature and time—even in the dark.
• Menu-driven programming make setup effortless.
• Beautiful ergonomic design is smart and sophisticated
to match your customers’ lifestyle.
• Real-time clock keeps time during power failures and
automatically updates to daylight savings.
• “Saving Changes” notification lets you know when the
schedule changes have been saved.
• Change reminders let you know when to replace the
batteries.
• Holiday Override options allow you to override the
program schedule, as desired.
• Speedy same-schedule programming—no need to
copy multiple days.
• Armchair programming allows you to remove the
thermostat from the wall for programming.
Contents
Application ........................................................................ 1
Specifications ................................................................... 2
Ordering Information ........................................................ 2
Installation ........................................................................ 4
Wiring ............................................................................... 5
Installer Setup .................................................................. 12
Operation .......................................................................... 17
Troubleshooting (Table 10) ............................................... 22

Honeywell TB7220 Specifications

General

Brand	Honeywell
Model	TB7220
Category	Thermostat
Language	English

Summary

TB7220 Ultrastat Programmable Thermostat Features and Application

Features

Highlights key capabilities and user benefits of the thermostat.

Application

Specifications and Ordering Information

Wallplate Installation and Wiring

Wiring

Instructions on connecting wires to the thermostat terminals.

Terminal and Wiring Information

Terminal Designation Descriptions

Explains the function of each terminal on the thermostat wallplate.

Wiring Diagrams

Heat Pump Wiring with Auxiliary Heat and Powering

Heat Pump Wiring with Auxiliary Heat

Diagrams for heat pumps with auxiliary heating stages.

Powering the Thermostat

Explains power connection methods: 24 Vac common and battery backup.

Installer and User Setup

Installer Setup

Covers advanced configurations to match specific HVAC system needs.

Installer Setup Menu Parameters

Installer Setup Menu

Lists installer setup numbers, names, default settings, and notes.

Installer Setup Menu Options

Installer Setup Options

Lists further installer setup parameters, default values, and system configuration options.

Installer Setup Menu and System Tests

Installer System Test Items

Lists test items for installer system verification.

Main Screen and Programming

Main Screen Overview

Programming Settings

Details default energy-saving settings and schedule editing procedures.

Thermostat Operation

Setting Temperature Overrides

Replacing Batteries

Advanced Operation Features

Partially Locked Screen

Temperature Recovery

Explains the automatic temperature recovery feature for efficient comfort.

Compressor Protection

Explains the minimum-off timer and heat pump lockout features.

Heat Pump Temperature Lockouts

Details lockout temperatures for heat pump operation based on outdoor conditions.

Troubleshooting

Troubleshooting Table