About Honeywell RTH7400/RTH7500 Series Operating Manual
Congratulations! You’ve just purchased the world’s most advanced, easy-to-use thermostat. It has been designed to give you many years of reliable service and climate control.
Honeywell RTH7400-RTH7500 Features
- Easy-to-follow menu programming.
- One-touch temp control overrides program schedule at any time.
- Precise comfort control keeps temperature within 1°F of the level you set.
- Change/check reminder lets you know when to replace furnace filter.
- Large display with backlight is easy to read—even in the dark.
Honeywell RTH7400-RTH7500 Table of Content
About your new thermostat
Thermostat features......................................2
Programming at a glance...............................3
Quick reference to controls............................4
Quick reference to status display....................5
Programming & Operation
Clock setting................................................6
Fan setting...................................................7
System setting.............................................8
Using program schedules..............................9
Program schedule overrides..........................13
Auto Changeover.........................................15
Filter reminder.............................................17
Special features..........................................18
Appendices
Battery replacement...................................19
Customer assistance..................................20
In case of difficulty......................................21
Limited warranty.........................................23
This thermostat is ready to go!
Your new thermostat is pre-programmed and ready to go. All you have to do is set the time and day. Then check the settings below and change if needed:
1. Set clock.......................................................................................... See page 6
2. Select fan setting: Preset to Auto........................................To change, see page 7
3. Select system setting: Preset to Heat.................................To change, see page 8
4. Program schedules: Preset to energy-saving levels while you’re at work or asleep (assumes you wake at
6 am, leave at 8 am, return at 6 pm and go to bed at 10 pm)............................................................... .......To change, see pages 10–14
Honeywell RTH7400-RTH7500 Quick reference to status display
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