Select "Change Network". Select the new Wi-Fi network and enter the password. PERFORMING A SCHEDULE RESET. Press the Menu Icon. Scroll down to "Thermostat Information. Record the "Date Code". Press the "back" arrow, then scroll down to "Installer Options". Enter the Date Code when prompted to "Enter your password". fileslib. EFS The RTH/RTH thermostats can be used to control: • a gas, oil or electric furnace — 2 or 3 wires. • a central air conditioner — 2 or 3 wires.Honeywell Thermostat Rthb Wiring Diagram - Honeywell Rthb Wiring Diagram rv digital thermostat upgrade the standard analog thermostat found in most rvs doesn t control the a c and furnace with Set desired temps for 4 periods - wake, leave, return, and sleep. Precise temperature control of +/-1 Degree Fahrenheit for consistent comfort. Easy to read digital display - Fahrenheit or Celsius temperature, 12 or 24 hour clock. Do-it-yourself installation capability - compatible with heating, cooling and heat pump without auxiliary heat.
The mode switch is on the right side of the Honeywell RTH221B thermostat. Turn this to "Cool" or "Heat" depending on the season. The home thermostat has three buttons on the top left-hand side. The first of these is the "Set" button. Press and release this button twice to put the thermostat into programming mode.
Honeywell RTH221B1000 Thermostat User Manual. Read online Honeywell RTH221B1000 Thermostat User Manual pdf with better navigation. Printable and downloadable, Honeywell RTH221B1000 Thermostat user guide pdf. Note: For opening this Honeywell RTH221B1000 User Manual, your computer need Adobe Reader.