RTH221B1021/A. Category: Thermostats. Heating Only: Yes ; Cooling Only: Yes; Honeywell RTH221B Thermostat Operating Manual; Honeywell RTH221B Basic 1 Week Programmable Thermostat Video. Easy to install, easy to program, easy to understand the directions, simple to use. Owner's Manual Read and save these instructions. For help please visit honeywellhome.com RTH2300/RTH221 Series Programmable Thermostat M37777 Heat Off Cool Auto On Fan Heat Off Cool Auto On Fan Set Hold Run Identify System Type This thermostat is compatible with the following systems: • Gas, oil or electric furnace • Central air conditioner Read online Honeywell RTH221B1000 Thermostat User Manual pdf with better navigation. Printable and downloadable, Honeywell RTH221B1000 Thermostat user guide pdf. Brand:Honeywell Product Honeywell VisionPRO TH8000 Series Installation Manual; Honeywell RTH6580WF User's Manual; honeywell digital round non-programmable thermostat T8775X Owner 1-Week Programmable Thermostat. The Honeywell RTH221B Basic 1 Week Programmable Thermostat has one hassle-free program for every day of the week. It is programmable for one week with four options: wake, leave, return and sleep to customize your weekly schedule. Also, it has precise temperature control for added comfort. Advanced Installation Guide 69-2604ES—01 14 SETUP WIRING ASSISTANCE TROUBLESHOOTING 5 5 M32768 System setup NOTE: If you do not press any button for 60 seconds while you are in the setup menu, the thermostat automatically saves any changes made and exits the menu. See pages 15-17 to change Function Settings. Changing Settings 1. Operating Manual 69-2727ES—01 16 Change filter (RTH2300 only) If the filter reminder is turned on during installation, the words Change Filter will flash on the screen when the filter needs to be replaced. After you replace the air filter, press and hold the RUN button for 3 seconds to reset the alert. Set 6:30 am 75 M33632 Set Hold Run Honeywell Home RTH221B1021 RTH221B Programmable Thermostat, Large, White - Programmable Household Thermostats The installation instructions were generally easy to follow, but I also found additional information on the Honeywell website explaining what each terminal actually was. It would have been useful for Honeywell to print this in the About The Honeywell RTH221B1039. Your new Honeywell thermostat has been designed to give you many years of reliable service and easy-to-use, push-button climate control. Features. Backlit display on RTH2300. Displays ambient (measured) temperature at all times. One-touch access to setpoint temperature. Preset program settings. Honeywell RTH221B1021/A thermostat. Quick Installation Guide RTH2300/RTH221 Programmable Thermostat 69-2448ES-03 Quick Installation Guide Identify System Type This thermostat is compatible with the following systems: • Gas, oil or electric furnace • Central air conditioner • Hot water system with or without pump • Millivolt system Install the Honeywell RTH221B Thermostat. To mount the new wall plate, use a screwdriver to loosen the locking screw at the bottom of the thermostat. Separate the thermostat from the wall plate and position the wall plate against the wall. Use a pencil to mark the hole positions, then drill holes at the marked positions and put in the wall View and Download Pentax RTH221B1021 instruction manual online. Quick Installation Guide 2 Remove Old Thermostat M28099 Old thermostat Cover Remove old thermostat