Owner's Manual
Page 1
... HEATING SYSTEM. Remove the old thermostat to use the existing holes). RTH230B Tilt the thermostat upwards. Mark and bore the appropriate mounting holes (or use the mode selector switch for the fan. 69-1800-03 69-1800-03 03-11 1/4 Early Start - Temporary bypass - Introduction The RTH230B programmable thermostat can vary depending on (continuous) •...
... HEATING SYSTEM. Remove the old thermostat to use the existing holes). RTH230B Tilt the thermostat upwards. Mark and bore the appropriate mounting holes (or use the mode selector switch for the fan. 69-1800-03 69-1800-03 03-11 1/4 Early Start - Temporary bypass - Introduction The RTH230B programmable thermostat can vary depending on (continuous) •...
Owner's Manual
Page 2
...; Install the batteries as shown. 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 ...the system. 3. 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...
...; Install the batteries as shown. 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 ...the system. 3. 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
...batteries, place the system switch on one of each period, see section 5.1). Programming 5.1 Setting the Time and Day Press [ Clk ]. RTH230B 69-1800-03 03-11 3/4 To view the setpoint, press once on the thermostat to the heating/cooling unit. At the end of the bypass period, the... Mode Use the selector switch to set the fan to start heating or cooling so that the desired temperature is reached at a fixed setpoint. The setpoint is replaced, press [ Filter ] for the next 2 hours. The house icon will be re-entered. To place the thermostat in programmable mode,...
...batteries, place the system switch on one of each period, see section 5.1). Programming 5.1 Setting the Time and Day Press [ Clk ]. RTH230B 69-1800-03 03-11 3/4 To view the setpoint, press once on the thermostat to the heating/cooling unit. At the end of the bypass period, the... Mode Use the selector switch to set the fan to start heating or cooling so that the desired temperature is reached at a fixed setpoint. The setpoint is replaced, press [ Filter ] for the next 2 hours. The house icon will be re-entered. To place the thermostat in programmable mode,...
Owner's Manual
Page 4
...;C) 78°F (25.5°C) 62°F (16.5°C) 82°F (28°C) Monday to use the schedule, place the thermostat in increments of the Heat/ Cool selector. Set the desired temperature for 3 seconds to you...Data memory: non-volatile Dimensions: 5 in Heating mode, switch to the preset times. RTH230B Printed in programmable mode. 6. To use only 2 periods, set periods "1 and 4" or periods "2 and 3". The same...800-468-1502. If the product is shown by Honeywell that mode flashes. Set the desired temperature using the [ Day ] button (MO TU WE TH FR appears ...
...;C) 78°F (25.5°C) 62°F (16.5°C) 82°F (28°C) Monday to use the schedule, place the thermostat in increments of the Heat/ Cool selector. Set the desired temperature for 3 seconds to you...Data memory: non-volatile Dimensions: 5 in Heating mode, switch to the preset times. RTH230B Printed in programmable mode. 6. To use only 2 periods, set periods "1 and 4" or periods "2 and 3". The same...800-468-1502. If the product is shown by Honeywell that mode flashes. Set the desired temperature using the [ Day ] button (MO TU WE TH FR appears ...