Owner's Manual
Page 1
... compatible with the corresponding letter on (continuous) • Programmable heating and cooling cycle lengths: 10, 12, 15, 20 or 30 minutes • Temperature display in 3- Introduction The RTH230B programmable thermostat can vary depending on an inside wall. Early Start - or 5-wire installations. In this case, this thermostat cannot be similar to that of the baseplate and...
... compatible with the corresponding letter on (continuous) • Programmable heating and cooling cycle lengths: 10, 12, 15, 20 or 30 minutes • Temperature display in 3- Introduction The RTH230B programmable thermostat can vary depending on an inside wall. Early Start - or 5-wire installations. In this case, this thermostat cannot be similar to that of the baseplate and...
Owner's Manual
Page 2
... mode, you have a gas or fuel oil furnace. After the batteries are installed, mount the thermostat on the baseplate. Secure the thermostat using the locking screw and install the faceplate. Apply power back to set the system ..., the thermostat performs a series of tests for the compressor. 2.3.1 2-wire Heating 2.3.2 2-wire Cooling Heat relay 2.3.3 3-wire Heating Cool relay 2.3.4 3-wire Cooling Heat relay Fan relay Cool relay Fan relay 2.3.5 4-wire Heating and Cooling Heat relay Cool relay Fan relay 2.3.6 5-wire Heating and Cooling RTH230B Heat relay...
... mode, you have a gas or fuel oil furnace. After the batteries are installed, mount the thermostat on the baseplate. Secure the thermostat using the locking screw and install the faceplate. Apply power back to set the system ..., the thermostat performs a series of tests for the compressor. 2.3.1 2-wire Heating 2.3.2 2-wire Cooling Heat relay 2.3.3 3-wire Heating Cool relay 2.3.4 3-wire Cooling Heat relay Fan relay Cool relay Fan relay 2.3.5 4-wire Heating and Cooling Heat relay Cool relay Fan relay 2.3.6 5-wire Heating and Cooling RTH230B Heat relay...
Owner's Manual
Page 3
...if you have a 2-wire installation as the fan is not connected to the thermostat. • If ...day flashes. Set the day using . Press [ Clk ]. RTH230B 69-1800-03 03-11 3/4 Note: This switch is activated. • If you modify the temperature (using . Press [ Clk ]. The current period will disappear. 3.5.2 Programmable...thermostat is placed in programmable mode, the new temperature will cut power to the energy-saving schedule. Configuration Menu To access the configuration menu, press both buttons simultaneously for 120 days, then the thermostat...
...if you have a 2-wire installation as the fan is not connected to the thermostat. • If ...day flashes. Set the day using . Press [ Clk ]. RTH230B 69-1800-03 03-11 3/4 Note: This switch is activated. • If you modify the temperature (using . Press [ Clk ]. The current period will disappear. 3.5.2 Programmable...thermostat is placed in programmable mode, the new temperature will cut power to the energy-saving schedule. Configuration Menu To access the configuration menu, press both buttons simultaneously for 120 days, then the thermostat...