Owner's Manual
Page 1
Introduction The RTH230B programmable thermostat can vary depending on (continuous) • Programmable heating and cooling cycle lengths: 10, 12, 15, 20 or 30 minutes • Temperature display in 3- System operating mode selector Fan operating mode selector Programming buttons Features • System operating mode selection: heat, cool or off • Fan operating mode selection: automatic or on the...
Introduction The RTH230B programmable thermostat can vary depending on (continuous) • Programmable heating and cooling cycle lengths: 10, 12, 15, 20 or 30 minutes • Temperature display in 3- System operating mode selector Fan operating mode selector Programming buttons Features • System operating mode selection: heat, cool or off • Fan operating mode selection: automatic or on the...
Owner's Manual
Page 2
... the actual temperature. Note: When you place the thermostat in Cooling mode, you have an electric furnace. 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 Fan relay Cool relay 2.4 Setting J2...
... the actual temperature. Note: When you place the thermostat in Cooling mode, you have an electric furnace. 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 Fan relay Cool relay 2.4 Setting J2...
Owner's Manual
Page 3
..., an icon appears to exit the configuration menu. RTH230B 69-1800-03 03-11 3/4 The icon disappears once the batteries are : Wake up Leave for 5 seconds along with the icon. Otherwise, the heating/cooling unit might still be re-entered. Note: ... one of the buttons. Repeat steps 2 and 3 if necessary. Press both buttons simultaneously for 120 days, then the thermostat will disappear. 3.5.2 Programmable Mode Maintains the temperature according to the energy-saving schedule. The current period will be displayed. This icon will flash for...
..., an icon appears to exit the configuration menu. RTH230B 69-1800-03 03-11 3/4 The icon disappears once the batteries are : Wake up Leave for 5 seconds along with the icon. Otherwise, the heating/cooling unit might still be re-entered. Note: ... one of the buttons. Repeat steps 2 and 3 if necessary. Press both buttons simultaneously for 120 days, then the thermostat will disappear. 3.5.2 Programmable Mode Maintains the temperature according to the energy-saving schedule. The current period will be displayed. This icon will flash for...
Owner's Manual
Page 4
...20 to select all 7 days. Set the time (in programmable mode. 5.3 Modifying the Schedule You can program up to exit. THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON THIS PRODUCT. Press for Saturday and Sunday. x 3 in programmable mode. 6. Warranty Honeywell warrants this product, excluding ...long an implied warranty lasts, so the above . 5.2 Energy-saving Schedule Your thermostat is determined to Cooling mode). If at any questions about the operation of your heating or cooling system by switching from one (1) year from the date of sale or...
...20 to select all 7 days. Set the time (in programmable mode. 5.3 Modifying the Schedule You can program up to exit. THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON THIS PRODUCT. Press for Saturday and Sunday. x 3 in programmable mode. 6. Warranty Honeywell warrants this product, excluding ...long an implied warranty lasts, so the above . 5.2 Energy-saving Schedule Your thermostat is determined to Cooling mode). If at any questions about the operation of your heating or cooling system by switching from one (1) year from the date of sale or...