Owner's Manual
Page 1
... be removed in °F or °C • Battery replacement indicator • 5-2 programming including: - RTH230B Programmable Electronic Thermostat Installation and User Guide 1. Early Start - 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 an inside wall...
... be removed in °F or °C • Battery replacement indicator • 5-2 programming including: - RTH230B Programmable Electronic Thermostat Installation and User Guide 1. Early Start - 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 an inside wall...
Owner's Manual
Page 2
.... 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 Jumper The jumper...follows: HG • When the thermostat is placed in cool mode, the fan works only when cooling is activated. • When the thermostat is placed in automatic mode, it works only when heating or cooling is normal that the displayed temperature be...
.... 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 Jumper The jumper...follows: HG • When the thermostat is placed in cool mode, the fan works only when cooling is activated. • When the thermostat is placed in automatic mode, it works only when heating or cooling is normal that the displayed temperature be...
Owner's Manual
Page 3
...thermostat in programmable mode, the new temperature will disappear. 3.5.2 Programmable...cooling cycle lengths are as follows: • When the thermostat is placed in cool mode, the fan works only when cooling is activated. • When the thermostat...days, then the thermostat...the thermostat.... Otherwise, the heating/cooling unit might still be...Cooling cycles per hour 2 4 2, 3, 4, 5 or 6 4 1 When Early Start is On, the thermostat determines when to start heating or cooling...cooling unit. Programming 5.1 Setting the Time and Day Press [ Clk ]. ON The fan is always on the thermostat...
...thermostat in programmable mode, the new temperature will disappear. 3.5.2 Programmable...cooling cycle lengths are as follows: • When the thermostat is placed in cool mode, the fan works only when cooling is activated. • When the thermostat...days, then the thermostat...the thermostat.... Otherwise, the heating/cooling unit might still be...Cooling cycles per hour 2 4 2, 3, 4, 5 or 6 4 1 When Early Start is On, the thermostat determines when to start heating or cooling...cooling unit. Programming 5.1 Setting the Time and Day Press [ Clk ]. ON The fan is always on the thermostat...
Owner's Manual
Page 4
..., or (ii) call Honeywell Customer Care at 1-800-468-1502. If you . RTH230B Printed in programmable mode. 5.3 Modifying the ...thermostat in U.S.A. 69-1800-03 03-11 4/4 The setpoint for the displayed period using the but- x 3 in . (127 mm x 75 mm x 28 mm) 7. Honeywell's sole responsibility shall be sent to 50°C) Temperature display resolution: 1°F (0.5°C) Accuracy: ± 1°F (0.5°C) Heating/cooling cycle lengths: 10, 12, 15, 20 or 30 minutes (programmable... to select all 7 days. Set the time (in increments of the Heat/ Cool selector. Set...
..., or (ii) call Honeywell Customer Care at 1-800-468-1502. If you . RTH230B Printed in programmable mode. 5.3 Modifying the ...thermostat in U.S.A. 69-1800-03 03-11 4/4 The setpoint for the displayed period using the but- x 3 in . (127 mm x 75 mm x 28 mm) 7. Honeywell's sole responsibility shall be sent to 50°C) Temperature display resolution: 1°F (0.5°C) Accuracy: ± 1°F (0.5°C) Heating/cooling cycle lengths: 10, 12, 15, 20 or 30 minutes (programmable... to select all 7 days. Set the time (in increments of the Heat/ Cool selector. Set...