White-rodgers 1F95-0671 User Manual

Blue Universal Thermostatwith Automatic Heat/CoolChangeover OptionModel Programming Choices1F95-06717 Day 5/1/1 Day Non-Programmablewww.white-rodgers.

10To prevent compressor and/or property damage, if the outdoor temperature is below 50°F, DO NOT operate the cooling system.CAUTION!Cooling System1.

11PROGRAMMINGEnergy Saving Factory Pre-ProgramThe 1F95-0680 thermostats are programmed with the energy saving settings shown in the table below for al

12Automatic Daylight Saving CalculationThe Real Time Clock will adjust automatically for daylight sav-ings time, in the following manner:Increment one

13Wired Remote Temperature SensingOne remote temperature sensor can be installed indoor or outdoor and connected to the thermostat by a maximum cable

14Symptom Possible Cause Corrective ActionNo Heat/No Cool/No Fan(common problems)1. Blown fuse or tripped circuit breaker.2. Furnace power switch to O

15NOTES

www.white-rodgers.comWhite-Rodgers is a divisionof Emerson Electric Co.The Emerson logo is a trademark and service markof Emerson Electric Co.HOMEOWNE

2Remove Old ThermostatBefore removing wires from old thermostat, mark wires for terminal identifi cation so the proper connections will be made to the

3WIRING DIAGRAMSFigure 2 – Single Stage or Multi-Stage System (No Heat Pump) with Single TransformerSingleStage 1(SS1)Multi-Stage 2(MS2)OEnergized Con

4Single Stage3-wireZone ValveapplicationBlower/CirculatorFan EnergizedOpensValve(4)Constant24 Volt(Com-mon)24 Volt(Hot)CoolSystem6YWCRCCLASS IITRANSFO

5Programming and Confi guration Items 1 "System On" indicates when heating or cooling stage is energized. "System On +2" indicates

6INSTALLER/CONFIGURATION MENUThermostat must be in Heat, Cool or Auto. Press and hold the Menu button for at least 5 seconds. The display will show it

7INSTALLER/CONFIGURATION MENU21 20 18 MENU dS (On) Off Selects Automatic Daylight Saving Time option22 21 19 MENU (OFF)Keypad LockoutL, P, Limit Selec

8INSTALLER/CONFIGURATION MENU5, 6 & 7) Cycle Rate Selection – The factory default setting for Heat and Cool modes, SS1, MS2, is medium cycle (ME).

9INSTALLER/CONFIGURATION MENU24) Limited Cool Range – This feature provide a minimum setpoint temperature for cool. The default setting is 45°F. It ca