HONEYWELL RTH221 OPERATING MANUAL Pdf Download. View and Download Honeywell RTH221 operating manual online. 1-day Programmable Thermostat. RTH221 Thermostat pdf manual download.[PDF] RTH221 - Honeywell RTH221 2/8 2.3 Modifying the schedule Press the Set button twice until the message Set Schedule appears. The start time of the first period (Wake) will flash. Press the or button to set the time. Press the Set button. The temperature setting Honeywell RTH221 Manuals - Manualnguide Manual & Guides - Product User Manuals & Troubleshooting Guides. Products and names mentioned are the property of their respective owners.2/5(15)[PDF] 69-2727ES-01 - RTH2300/RTH221 Series - Honeywell RTH2300/RTH221 3 69-2727ES—01 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 time and day (required for proper operation)... See page 6 2.[PDF] Programmable RTH2300/RTH221 Thermostat Series Owner s Owner s Manual Read and save these instructions. For help please visit yourhomeywell RTH2300/RTH221 Series Programmable Thermostat 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 Honeywell Thermostat RTH221 User Guide | ManualsOnline Appliance manuals and free pdf instructions. Find the user manual you need for your home appliance products and more at ManualsOnline. Honeywell Thermostat RTH221 User Guide | ManualsOnline Honeywell Operating Manual Rth2300 Rth221 Pi15444 Pdf Download Ebook: Honeywell Operating Manual Rth2300 Rth221 Pi15444 Pdf Enligne 2019Honeywell Operating Manual Rth2300 Rth221 Pi15444 Pdf Enligne 2019 that really must be chewed and digested means books which need extra effort, more analysis to read. By way of example, an accountant los angeles reads books about the concept of thought. Honeywell RTH221 User Manual - manualmachine Programmable Thermostat RTH221. Using the schedule. Press the Run button to follow the programmed schedule. For maximum energy savings while maintaining comfort, you can program the schedule such that the temperature is at an economical level when you sleep or leave for work and at a comfortable level when you are awake and at home. Honeywell RTH221 Operating Manual | Page 3 - Free PDF Read and download Honeywell Thermostats RTH221 Operating Manual | Page 3 online. Download free Honeywell user manuals, owners manuals, instructions, warranties and installation guides, etc.4.9/5(2) Honeywell RTH221 Series Quick Installation Manual Page 21 RTH2300/RTH221 System setup (RTH2300 only) Function 40: Restore Program Schedule to Default M32725 0 Off 1 On - Program schedule default settings are listed in the operating manual. Press the s or t button to select restore program schedule to default settings.