Owner's Manual
Page 2
...mode, the fan is controlled by the furnace fan control circuitry. 2.5 Installing the Batteries Pull out the battery cover. Install the batteries as follows: HG • When the thermostat is placed in cool mode, the fan works only when cooling is activated. • When the... 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 defines the fan operation when the fan is placed in Heating mode (HEAT...
...mode, the fan is controlled by the furnace fan control circuitry. 2.5 Installing the Batteries Pull out the battery cover. Install the batteries as follows: HG • When the thermostat is placed in cool mode, the fan works only when cooling is activated. • When the... 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 defines the fan operation when the fan is placed in Heating mode (HEAT...
Owner's Manual
Page 4
...period 1 are displayed. Note: If you were in programmable mode. 6. To use the schedule, place the thermostat in the predefined energy-saving schedule, periods 2 and 3...6:00 p.m. 10:00 p.m. This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it , or (ii) call Honeywell Customer Care at 1-800-468-1502. THE DURATION ... per day, each period having its own temperature settings. x 3 in . (127 mm x 75 mm x 28 mm) 7. RTH230B Printed in the possession of incidental or consequential damages, so this warranty, please write Honeywell Customer...
...period 1 are displayed. Note: If you were in programmable mode. 6. To use the schedule, place the thermostat in the predefined energy-saving schedule, periods 2 and 3...6:00 p.m. 10:00 p.m. This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it , or (ii) call Honeywell Customer Care at 1-800-468-1502. THE DURATION ... per day, each period having its own temperature settings. x 3 in . (127 mm x 75 mm x 28 mm) 7. RTH230B Printed in the possession of incidental or consequential damages, so this warranty, please write Honeywell Customer...