Owner's Manual
Page 1
...avoid air draughts behind doors), direct sunlight or areas near concealed pipes or chimneys. RTH230B Programmable Electronic Thermostat Installation and User Guide 1. Warning: If the old thermostat was probably powered by 120/240 volts. or 5-wire installations. Preprogrammed energy-saving...you wish to use the existing holes). Time display (12 h or 24 h) • Filter replacement indicator 2. Introduction The RTH230B programmable thermostat can vary depending on (continuous) • Programmable heating and cooling cycle lengths: 10, 12, 15, 20 or 30 minutes • ...
...avoid air draughts behind doors), direct sunlight or areas near concealed pipes or chimneys. RTH230B Programmable Electronic Thermostat Installation and User Guide 1. Warning: If the old thermostat was probably powered by 120/240 volts. or 5-wire installations. Preprogrammed energy-saving...you wish to use the existing holes). Time display (12 h or 24 h) • Filter replacement indicator 2. Introduction The RTH230B programmable thermostat can vary depending on (continuous) • Programmable heating and cooling cycle lengths: 10, 12, 15, 20 or 30 minutes • ...
Owner's Manual
Page 3
...hour flashes. Set the hour using . Press [ Clk ]. To place the thermostat in programmable mode, the new temperature will 3.4 Setting the Temperature Press one of the played. Once the filter is displayed for work Return home Sleep To see the default settings of each period, see section... in this mode, press [ Mode ]. RTH230B 69-1800-03 03-11 3/4 3.2 Fan Operating Mode Use the selector switch to set time. 2 When either of the change the setpoint. Note: This switch is not used for 120 days, then the thermostat will flash for the next 2 hours. ...
...hour flashes. Set the hour using . Press [ Clk ]. To place the thermostat in programmable mode, the new temperature will 3.4 Setting the Temperature Press one of the played. Once the filter is displayed for work Return home Sleep To see the default settings of each period, see section... in this mode, press [ Mode ]. RTH230B 69-1800-03 03-11 3/4 3.2 Fan Operating Mode Use the selector switch to set time. 2 When either of the change the setpoint. Note: This switch is not used for 120 days, then the thermostat will flash for the next 2 hours. ...