Page 3 - THE THERMOSTAT BUTTONS; ORIENTATION
1 Introduction Configuration Troubleshooting Programming Features FAQs Index THE THERMOSTAT BUTTONS See inside front cover for illustrationshowing button locations. 1 (Blue arrow) Lowers temperature setting (45 ° F or 7 ° C minimum) 2 (Red arrow) Raises temperature setting (99 ° F or 37 ° C maximum)...
Page 4 - CHECK STAT appears when the
2 LARGE LIGHTED (LCD) DISPLAY The thermostat display alternatelyshows the current time and the currenttemperature on the left side. Thedisplay also shows the temperatureyou have programmed or set on theright side of your screen. 1 Display system mode (OFF, AUTO, HOLD, VACA or HUMD).During programmin...
Page 5 - INTRODUCTION
3 INTRODUCTION Introduction ..................................................... 3 Configuration .............................................. 4-11 Manual Operation and Programming ...... 12-17 Features .................................................... 18-26 FAQs ..................................
Page 6 - CONFIGURATION; To enter the menu, press TIME; and TIME; once at the same time. Press TIME; to advance through the; User Configuration Menu
4 CONFIGURATION The configuration menu allows you to set thermostat operating characteristics to your system or personal requirements. To enter the menu, press TIME FWD and TIME BACK once at the same time. Press TIME FWD to advance through the menu options. Press arrow keys to change options. 1 Step...
Page 7 - Configuration
5 User Configuration Menu (Continued) Configuration 7 ( ° F) ° C Adjusts temperature display between ° F or ° C TIME FWD 8 SET FAN (0) 0 HRS (OFF) to 6 HRS Set Fan (one shot) option. Set the duration of the one shot option. TIME FWD 9 BEEP (ON) OFF Turns beeper ON or OFF. TIME FWD 10 HEAT FAST (ON) ...
Page 10 - Single Period Fan Control.
8 Programmable DehumidificationOptimal Dehumidification Mode(OPTM DHUM) (User Menu step 6)When turned onthis feature automatically reducesindoor humidity if humidity is 2%above setting. Humidity is set bypressing the HUMIDITY buttonwhen in the appropriate mode, in thiscase Cooling, and pressing the ...
Page 12 - AVG; or; LO; the same time for at least one; to
10 In the MOR and NHT periods, thesensor on the upper level (sensor A)has more priority than the lower level(sensor L), so the system will operateto keep the temperature at the set pointin the upper level. In the DAY andEVE periods, the lower level has thehigher priority, so the system willoperate t...
Page 14 - PROGRAMMING
12 MANUAL OPERATION (Bypassing the Program)Your White-Rodgers 90 Seriesthermostat can be used to controltemperature manually (withoutprogramming). For manual operation,press SYSTEM to select HEAT or COOL, then press PROGRAM HOLD . Use or to set the temperature as desired. PROGRAMMED OPERATIONPlannin...
Page 15 - Programming
13 9. If you program Monday the firsttime you press PROGRAM VIEW it will be copied to the rest of the week.To program the other days of the weekpress ADV. DAY to until you reach the day you wish to change and followSteps 10, 11 & 12. You can also copythe program from one day to another.To copy, ...
Page 20 - FEATURES; Pushbutton Backlight; buttons adjust the time in 15; maximum and; ndefinite Program Hold.; . The temperature Up or Down; PROGRAM
18 FEATURES Pushbutton Backlight The large numbers and letters on yourLCD screen make it easy to see. In lowlight conditions, press the button ontop of the thermostat and the displaywill light up for three seconds. For tenminutes after pressing the light button,pressing any other button will light t...
Page 21 - but you want it to display; Programmable Fan Control; The; VACATION; mode allows you to; Adjustable Temperature Display; he room temperature display can be; button until AUTO; and; Features
19 thermostat displays a room tempera-ture of 70 ° but you want it to display 73 ° , you can adjust it. To adjust, refer to the USER CONFIGURATIONsection (page 4, step 1). Programmable Fan Control This feature allows you to have yourfan operate continuously through oneor more programmed time periods...
Page 22 - SET; button and; VACA HOLD TILL
20 normal program operation. To programthe number of days, press the or to set your temperature then press and release the SET DAY button and VACA HOLD TILL will be displayed. The display will also show DAYS (flashing) and the number 5 . To change the number of vacation days,press TIME FWD or TIME B...
Page 23 - GRAM; Your thermostat can be configured to; Service Button Menu; The Service button allows setting of; REM PAD TIME
21 of 85 ° F. If this happens, set the clock and day of the week (using steps 1through 6 from “Entering YourProgram”, page 12 & 13), then selectHEAT, COOL or AUTO using the SYSTEM button, and press PRO- GRAM RUN to resume operation with your previously set program. CompressorShort Cycle Protecti...
Page 25 - will cancel this; on the
23 HumidifierMaintenance Indicator. This feature allows the thermostat todisplay the words CHCK PAD (check humidifier) after a set time ofhumidifier operation. This is areminder to maintain or clean yourhumidifier. The factory set interval for CHCK PAD to be displayed is 100 hours of humidifier oper...
Page 26 - UV Bulb Replacement Indicator.
24 number of hours remaining before CHNG FLTR indicator will display. 2. Press the SERVICE button. Thedisplay will show SET FILTER TIME and will show the number of hours tofilter change. 3. Press TIME FWD or TIME BACK to change the time to your requirements.4. Press PROGRAM RUN to return to the norm...
Page 27 - to return; CHECK STAT; if one of the; to reset the; Adjustable Humidity Display.; For suggested settings see table below.; OFF
25 2. Press TIME FWD or TIME BACK to change the time to your requirements.3. Press PROGRAM RUN to return to the normal operating mode. If thetemperature still does not rise, it willcontinue to call for heat. This normallyindicates the heating system is notworking correctly. You may wish toconsult yo...
Page 28 - FAQs; is displayed above
26 1F95-391 Press TIME FWD and TIME BACK at the same time to enter the configuration menu. Press TIME FWD until you get to ° C then press the or arrow to select ° F, press PROGRAM RUN to return to normal operation. Press PROGRAM RUN to make certain the thermostat is in the run program mode, then to ...
Page 29 - adjustment
27 FAQs FAQs 3. My furnace (air condi-tioning) cycles too fast(slow). Is there an adjust-ment? 4. Why does the blower fankeep running after thesystem has shut off? 1F95-391 The 1F95-391 has a feature called Adjustable Heating and Cooling Cycle times (also calledAnticipation) that allows you to incre...
Page 30 - AUTO
28 FAQs 5. Do I have to program astop time for each programperiod? 6. My display light does notwork. Can it be fixed orreplaced? 7. Between Heating andCooling seasons, I want toturn my system off. Will thischange the program? 8. Do I have to reprogrammy thermostat after a poweroutage? 9. How can I g...
Page 32 - There are 3 possibilities to consider, excluding tampering.
30 1F95-391 FAQs is dependent on system sizing, thermostat location, etc. Note: The thermostat display onlydisplays whole numbers. Internally the thermostat calculates decimals. In heating as the room temperature increases the system will continue to run until thethermostat reaches the high side of ...
Page 35 - RESETTING THERMOSTAT; F in Cool; TURE overide press the PROGRAM; TROUBLESHOOTING; POSSIBLE CAUSE; Replace fuse or reset breaker.; SYMPTOM
33 Index Troubleshooting RESETTING THERMOSTAT The thermostat can be reset back to factory default programs and configuration options. Removing power from the thermostat willnot reset it to the default settings. Before resetting the thermostat you may want to make note of the previously selected conf...
Page 37 - If the; button is pressed to display; ON; button until; is displayed. If the condition; Troubleshooting
35 SYMPTOM Heat, Cool or Fan RunsConstantly CORRECTIVE ACTION Check each wire connection to verify they are notshorted or touching together. No bare wire shouldstick out from under terminal screws.Try resetting the thermostat as described on page 31. If the FAN button is pressed to display ON , the ...
Page 38 - INDEX
36 INDEX SYMPTOM Furnace Cycles Too Fast orToo Slow (narrow or widetemperature swing) Cooling Cycles Too Fast orToo Slow (narrow or widetemperature swing) POSSIBLE CAUSE 1. The location of the thermostatand/or the size of the Heating Systemmay be influencing the cycle rate. 1. The location of the th...
Page 39 - , and the temperature
37 INDEX SYMPTOM Thermostat Setting andThermostat ThermometerDisagree Thermostat Does Not FollowProgram Blank Display and/or KeypadNot Responding POSSIBLE CAUSE 1. Thermostat thermometer settingrequires adjustment. 1. AM or PM set incorrectly inprogram.2.AM or PM set incorrectly on theclock.3. Volta...
Page 41 - NOTES
