Owner's Manual
Page 1
.../240 volts. RTH230B Programmable Electronic Thermostat Installation and User Guide 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- Temporary bypass - In this case, this thermostat cannot be used in °F or °C • Battery replacement indicator • 5-2 programming including...
.../240 volts. RTH230B Programmable Electronic Thermostat Installation and User Guide 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- Temporary bypass - In this case, this thermostat cannot be used in °F or °C • Battery replacement indicator • 5-2 programming including...
Owner's Manual
Page 3
.... The house icon will be running even after the batteries are replaced. The current period will disappear. 3.5.2 Programmable Mode Maintains the temperature according to the heating/cooling unit. Temporary Bypass If you have an electric furnace (see...days, then the thermostat will flash for 3 seconds. To go to automatic mode (AUTO) or continuous mode (ON). Programming 5.1 Setting the Time and Day Press [ Clk ]. The hour flashes. Set the hour using the buttons) when the thermostat is controlled by the furnace fan control circuitry. RTH230B...
.... The house icon will be running even after the batteries are replaced. The current period will disappear. 3.5.2 Programmable Mode Maintains the temperature according to the heating/cooling unit. Temporary Bypass If you have an electric furnace (see...days, then the thermostat will flash for 3 seconds. To go to automatic mode (AUTO) or continuous mode (ON). Programming 5.1 Setting the Time and Day Press [ Clk ]. The hour flashes. Set the hour using the buttons) when the thermostat is controlled by the furnace fan control circuitry. RTH230B...
Owner's Manual
Page 4
..., place the thermostat in . The settings for Saturday and Sunday. Select the program using the [ Day ] button (MO TU WE TH FR appears when the Monday-Friday program is selected or SA SU appears when the Saturday/Sunday program is selected). For example, in programmable mode. 5.3 ... A PARTICULAR PURPOSE, IS HEREBY LIMITED TO THE ONE-YEAR DURATION OF THIS WARRANTY. RTH230B Printed in . Press for each period having its own temperature settings. Customer Care will not work if you . Honeywell's sole responsibility shall be sent to you. tons. Press [ P# ]....
..., place the thermostat in . The settings for Saturday and Sunday. Select the program using the [ Day ] button (MO TU WE TH FR appears when the Monday-Friday program is selected or SA SU appears when the Saturday/Sunday program is selected). For example, in programmable mode. 5.3 ... A PARTICULAR PURPOSE, IS HEREBY LIMITED TO THE ONE-YEAR DURATION OF THIS WARRANTY. RTH230B Printed in . Press for each period having its own temperature settings. Customer Care will not work if you . Honeywell's sole responsibility shall be sent to you. tons. Press [ P# ]....