Honeywell RTH4300B User Manual

Operating
Manual
RTH4300B
Programmable Thermostat
69-1771EFS

Honeywell RTH4300B Specifications

General

Type	Programmable Thermostat
Display Type	LCD
Stages	1 Heat/1 Cool
Backlight	Yes
Hold Feature	Yes
Filter Change Reminder	Yes
Battery Backup	Yes
Temperature Range	40°F to 90°F
Compatibility	Single-stage heating and cooling systems
Voltage	24VAC

Summary

About your new thermostat

Quick reference to controls

Quick reference to display screen

Set the time and day

Select the system setting

Select the fan setting

Save money by setting program schedules

EnergyStar® settings for maximum cost savings

To adjust program schedules

Program schedule override (temporary)

Program schedule override (permanent)

Built-in compressor protection

Battery replacement

In case of difficulty

Display is blank

Troubleshooting steps for a blank thermostat display, checking power and battery status.

Heating or cooling system does not respond

Steps to resolve unresponsive heating/cooling systems, checking settings and system wait times.

Customer assistance

1-year limited warranty