Page 3 - INTRODUCTION; Introduction; Programming; FAQs; Troubleshooting; Index
1 INTRODUCTION Thank you for purchasing yournew Comfort-Set 90 thermostatand humidifier control. White-Rodgers has been producingenergy saving controls for over60 years. We have been design-ing and producing the Comfort-Set family of electronic pro-grammable thermostats since1982. Comfort-Set 90 is ...
Page 5 - Figure 1. The Display
3 FAN AUTO HRS CHECK BATTERY F AM MON FAN AUTO HEAT HEAT HRS CHECK BATTERY F AM MON WED THU FRI SAT SUN TUE WED THU FRI SAT SUN TUE 18 18 19 20 21 22 25 23 24 Figure 1. The Display LAR LAR LAR LAR LARGE LIGHTED (L GE LIGHTED (L GE LIGHTED (L GE LIGHTED (L GE LIGHTED (LCD) DISPLA CD) DISPLA CD) DISPL...
Page 6 - INSTALLATION AND CONFIGURATION; SPECIFICATIONS; Day Programming
4 INSTALLATION AND CONFIGURATION This White-Rodgers AutomaticSetback Digital Thermostat usesmicrocomputer technology to provideprecise time, temperature and humidity SPECIFICATIONS SPECIFICATIONS SPECIFICATIONS SPECIFICATIONS SPECIFICATIONS Model 1F97-391 Model 1F97-391 Model 1F97-391 Model 1F97-391...
Page 7 - CAUTION; WARNING; NOTE; Installation/Configuration
5 PRECAUTIONS PRECAUTIONS PRECAUTIONS PRECAUTIONS PRECAUTIONS WARNING ! Do not shor Do not shor Do not shor Do not shor Do not shor t out ter t out ter t out ter t out ter t out terminals on minals on minals on minals on minals on g g g g gas v as v as v as v as valv alv alv alv alve or primar e or ...
Page 8 - install screw anchors in the wall.
6 INST INST INST INST INSTALLA ALLA ALLA ALLA ALLATION TION TION TION TION AND CONFIGURA AND CONFIGURA AND CONFIGURA AND CONFIGURA AND CONFIGURATION TION TION TION TION Shut off electricity at main fuse orcircuit breaker box until installation iscomplete AND the jumper leads (fig.10, page 17) on the...
Page 9 - Figure 2 – Thermostat base; Mounting screws
7 HM1 W RH RC G Y HM2 6 S1 S2 S3 1 2 3 4 1 Figure 2 – Thermostat base 1 Mounting screws 2 Pull wires through this opening 3 Insert wires into terminal holes, then tighten screws 4 Screw anchors Before the power is turned on, thethermostat must be configured tooperate properly with the system. SeeCON...
Page 10 - From heating system
8 HM1 W RH RC G Y HM2 6 W RH 1 2 3 HM1 HM2 6 Y G W RC RH E H J I M K L WIRING DIA WIRING DIA WIRING DIA WIRING DIA WIRING DIAGRAMS GRAMS GRAMS GRAMS GRAMS All wiring diagrams are for typical systems only. Refer to equipment manufacturers' instructions for specific system wiringinformation. NOTE: Ens...
Page 11 - LETTER IDENTIFICATION FOR WIRING DIAGRAMS
9 A Humidifier System B Zone Valve C Cooling System D Fan Relay E Heating System H Jumper Wire I TRANSFORMER J 24 VAC Side K 120 VAC Side L Hot Side M Neutral Side N HEATING TRANSFORMER O COOLING TRANSFORMER P Jumper Wire (field-installed) LETTER IDENTIFICATION FOR WIRING DIAGRAMS Installation/Confi...
Page 15 - From 24 VAC cooling transformer; Figure 7 – Typical wiring diagram for three-wire cooling system
13 Installation/Configuration HM1 HM2 6 Y G W RC RH D C J I M K L HM1 W RH RC G Y HM2 6 1 R C G Y 3 2 1 From 24 VAC cooling transformer 2 From fan relay 3 From cooling system For humidifier wiring see pages 14-15.See page 9 for letter identification. Figure 7 – Typical wiring diagram for three-wire ...
Page 16 - Figure 8 – Typical wiring diagram for 24V humidifier system; From humidity system
14 HM1 6 Y G W HM2 RC RH HM1 W RH RC G Y HM2 6 A 1 L M K J 1 I HM NOTE: Two terminal choices (HM1 or HM2) are provided forhumidifier control. When the humidity setting is higher than theroom humidity:HM1 turns off the humidifier when the call for heat ends.HM2 powers the humidifier an additional 30 ...
Page 17 - Figure 9 – Typical wiring diagram for 120V humidifier system
15 HM1 6 Y G W HM2 RC RH HM1 W RH RC G Y HM2 6 A 1 L M K K J 1 I Relay90-290Qor equivalent HM Figure 9 – Typical wiring diagram for 120V humidifier system 1 From humidity system See page 9 for letter identification. Installation/Configuration
Page 19 - Figure 10 – Jumper locations
17 1 3 2 W922 W914 1 Clip for remote sense 2 3-pin connector 3 Clip for electric heat Figure 10 – Jumper locations Installation/Configuration
Page 20 - and TIME; once at the same time. Press TIME; to advance through the
18 Step Press Button(s) Displayed (Factory Default) Press or to select: COMMENTS 1 EMR (ON) OFF 2 SET CYCL HEAT (05) 02 - 40 Adjusts heat anticipation value (2 through 40)See page 20 3 SET CYCL COOL (12) 09 - 40 4 COOL FAN DELA OFF (01) 01 - 127 5 COOL FAN DELA ON (04) 01 - 05 6 COMP LOCK (OFF) ON 7...
Page 21 - CONFIGURA
19 8 0˚F (0) 5 LO to 5 HI 9 (˚F) ˚C 11 REMT SEN (OFF) ON Selects remote sensor OFF or ONSee page 21 12 PART LOCK (OFF) ON Selects partial keypad lockout OFF or ONSee page 34 13 LOCK (OFF) ON Selects total keypad lockout OFF or ON See page 34 14 Adjusts humidity display higher or lowerSee page 36 10 ...
Page 22 - Shorter
20 This option allows the cycle times inheating and cooling to be increased ordecreased. The factory set values canbe adjusted higher for longer cycles orlower for shorter cycles. The adjustment range for HEATING isfrom 2 to 40. The factory preset is 5.The adjustment range for COOLINGis from 9 to 40...
Page 23 - and; SET; buttons at the same; Lockout Bypass Option
21 compressor and the fan to come on atslightly different times, which allowsfull power to the compressor on startup. The fan off delay allows the fan tocontinue running after the compressorhas shut off. This distributes thecooling that would otherwise staytrapped in the air conditioning coilsthroug...
Page 24 - HUMIDIFIER OPERATION CHECK
22 The remote sense feature will notwork if the system does not provide24V to the thermostat (example:heating-only system or 3-wire zonevalves). To use a remote sensor, jumper W922must be clipped (see figure 10) andthe REMT SEN option in the configu-ration menu (on page 19) must be setto ON. NOTE aw...
Page 25 - HOLD
23 CHECK CHECK CHECK CHECK CHECK THERMOST THERMOST THERMOST THERMOST THERMOSTA A A A AT OPERA T OPERA T OPERA T OPERA T OPERATION (cont’ TION (cont’ TION (cont’ TION (cont’ TION (cont’d.) d.) d.) d.) d.) raise the humidity setpoint (45%maximum) above the room humid-ity level. The humidifier shouldop...
Page 26 - PROGRAMMING; PROGRAM
24 PROGRAMMING MANU MANU MANU MANU MANUAL OPERA AL OPERA AL OPERA AL OPERA AL OPERATION TION TION TION TION (Bypassing the Pr (Bypassing the Pr (Bypassing the Pr (Bypassing the Pr (Bypassing the Pro o o o o g g g g g rrrrram) am) am) am) am) Your Comfort-Set 90 thermostat canbe used to control tempe...
Page 27 - COPY
25 Programming 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 until you reach the day you wish to change and followSteps 10, 11 & 12. You can also copythe program from one day to another...
Page 32 - FEATURES; Humidifier Control and
30 FEATURES Humidistat Features:Adjustable Humidity Display ------ 36Humidifier Maintenance Indicator --------------------------- 36 Humidifier Control and Monitoring ------------------------ 37 Programmable Automatic Humidity Reduction ------------- 37 Thermostat Features:Pushbutton Backlight -----...
Page 33 - Features; CHECK
31 Pushb Pushb Pushb Pushb Pushbutton Bac utton Bac utton Bac utton Bac utton Backlight klight klight klight klight 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. Fo...
Page 34 - AUTO
32 Selecta Selecta Selecta Selecta Selectab b b b ble Ener le Ener le Ener le Ener le Energ g g g gy y y y y Mana Mana Mana Mana Manag g g g gement R ement R ement R ement R ement Reco eco eco eco ecov v v v ve r e r e r e r e r y (EMR) y (EMR) y (EMR) y (EMR) y (EMR) EMR causes the thermostat to st...
Page 35 - VACA
33 Features P r P r P r P r P ro o o o o g g g g g rrrrramma amma amma amma ammab b b b ble F le F le F le F le Fan Contr an Contr an Contr an Contr an Contro l o l o l o l o l This feature allows you to have yourfan operate continuously through oneor more programmed time periods.This is useful if y...
Page 37 - will cancel this
35 Features Compressor Compressor Compressor Compressor CompressorShor Shor Shor Shor Shor t-Cy t-Cy t-Cy t-Cy t-Cyc c c c c le Pr le Pr le Pr le Pr le Protection. otection. otection. otection. otection. Your thermostat can be configured toprotect your system against prematurecompressor failure by “...
Page 39 - HUMD; is displayed above the; LO; Well insulated homes requiring little humidity reduction
37 Features with respect to the humidifier’scapability. P r P r P r P r P ro o o o o g g g g g rrrrramma amma amma amma ammab b b b ble le le le le A A A A Automa utoma utoma utoma utomatic tic tic tic tic Humidity R Humidity R Humidity R Humidity R Humidity Reduction. eduction. eduction. eduction. ...
Page 44 - TROUBLESHOOTING; SYMPTOM; No Heat
42 TROUBLESHOOTING SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION No Heat/No Cool/No Fan(common problems) No Heat 1. Blown fuse or tripped circuitbreaker.2. Furnace power switch to OFF.3. Furnace blower compartmentdoor or panel loose or notproperly installed. 1. Pilot light not lit.2. Thermostat not set t...
Page 46 - the temperature
44 SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION Heat, Cool or Fan RunsConstantly Thermostat Setting andThermostat ThermometerDisagree Thermostat Does Not FollowProgram 1. Possible short in wiring.2. Possible short in thermostat.3. Possible short in heat/cool/fansystem.4. Fan Switch is set to Fan On. 1. ...
Page 48 - INDEX; Program
PROGRAMMING ------------------ 24Schedule Sample Programs ----------------- 26Personal Programs ---------------- 28 Set Clock ------------------------------- 24Day --------------------------------- 24Program ---------------------------- 24 System and Thermostat Diagnosis -------------------------- 3...
