Owner's Manual
Page 1
...; 5-2 programming including: - Display Adjustment buttons Remove the thermostat faceplate. Loosen the locking screw to use the existing holes). Early Start - RTH230B Programmable Electronic Thermostat Installation and User Guide 1. In this case, this thermostat cannot be completely removed). Introduction The RTH230B programmable thermostat can vary depending on (continuous) • Programmable heating and cooling cycle lengths: 10, 12, 15, 20...
...; 5-2 programming including: - Display Adjustment buttons Remove the thermostat faceplate. Loosen the locking screw to use the existing holes). Early Start - RTH230B Programmable Electronic Thermostat Installation and User Guide 1. In this case, this thermostat cannot be completely removed). Introduction The RTH230B programmable thermostat can vary depending on (continuous) • Programmable heating and cooling cycle lengths: 10, 12, 15, 20...
Owner's Manual
Page 2
... You will hear a clicking sound. 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 five minutes before... cooling can start . 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...
... You will hear a clicking sound. 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 five minutes before... cooling can start . 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...
Owner's Manual
Page 3
To place the thermostat in this mode, press [ Mode ]. The current period will be used if you have a 2-wire installation as the fan is ...removing the batteries, place the system switch on the thermostat to exit. Programming 5.1 Setting the Time and Day Press [ Clk ]. RTH230B 69-1800-03 03-11 3/4 3.2 Fan Operating Mode...next parameter (menu item), briefly press both buttons simultaneously for 120 days, then the thermostat will disappear. 3.5.2 Programmable Mode Maintains the temperature according to the thermostat. • If you modify the temperature (using . ...
To place the thermostat in this mode, press [ Mode ]. The current period will be used if you have a 2-wire installation as the fan is ...removing the batteries, place the system switch on the thermostat to exit. Programming 5.1 Setting the Time and Day Press [ Clk ]. RTH230B 69-1800-03 03-11 3/4 3.2 Fan Operating Mode...next parameter (menu item), briefly press both buttons simultaneously for 120 days, then the thermostat will disappear. 3.5.2 Programmable Mode Maintains the temperature according to the thermostat. • If you modify the temperature (using . ...