Universal Electronics Thermostat 975 Manuel d'utilisateur Page 1

Comfort-Set®90 Series90 Series90 Series90 Series90 SeriesTMPREMIUMModel 975Model 975Model 975Model 975Model 975Installation and OperatingInstallation

8WIRING DIAGRAMSWIRING DIAGRAMSWIRING DIAGRAMSWIRING DIAGRAMSWIRING DIAGRAMSAll wiring diagrams are for typical systems only. Refer to equipment manuf

9InstallationMV 6 Y G WO BRC RHHMVWRHRCGYOB6GY53C2D E4RHW1LMKJIFigure 3. Typical wiring diagram for heat only, cool only, & heat/cool single trans

10MV 6 Y G WO BRC RHMVWRHRCGYOB6MVRH1AWIRING DIAGRAMSWIRING DIAGRAMSWIRING DIAGRAMSWIRING DIAGRAMSWIRING DIAGRAMS1From millivolt systemNOTE: Thermosta

11Installation1From heating system2From 24 VAC transformer3From fan relay4From cooling systemNOTE: Thermostat must have batteries installed.MV 6 Y G W

12WIRING DIAGRAMSWIRING DIAGRAMSWIRING DIAGRAMSWIRING DIAGRAMSWIRING DIAGRAMSHMV W RH RC G Y O B 6WRH12613BMV 6 Y G WO BRC RH64521LMKJI1From zone valv

13MV 6 Y G WO BRC RHMVWRHRCGYOB6WRH12ENOC DRCGY534LMKJLMKJFigure 7. Typical wiring diagram for heat/cool, five-wire, two-transformer systemFigure 7. T

14MV 6 Y G WO BRC RHHPMV W RH RC G Y O B 6RCGY52C1D43LMKJIF GWIRING DIAGRAMSWIRING DIAGRAMSWIRING DIAGRAMSWIRING DIAGRAMSWIRING DIAGRAMSFigure 8. Typi

15InstallationJUMPERSJUMPERSJUMPERSJUMPERSJUMPERSBefore turning power on to thesystem, the jumpers on the back ofthe thermostat must be configured too

16Step Press Button(s) Displayed (Factory Default) Press or to select: COMMENTS1 EMR(ON)OFF2 SET CYCL HEAT(05)02 - 40Adju

178 0˚F(0)5 LO to5 HI9 (˚F) C11 REMT SEN(OFF)ONSelects remote sensor OFF or ON12PART LOCK(OFF)ONSelects partial keypad lockout OFF or ON13LOCK(OFF)ON

17164356217 89101112131415Easy, Menu-Driven Set-UpEasy, Menu-Driven Set-UpEasy, Menu-Driven Set-UpEasy, Menu-Driven Set-UpEasy, Menu-Driven Set-Upand

18CONFIGURATIONCONFIGURATIONCONFIGURATIONCONFIGURATIONCONFIGURATIONINSTALLERINSTALLERINSTALLERINSTALLERINSTALLERCONFIGURATIONCONFIGURATIONCONFIGURATIO

19InstallationCOOLING is from 9 to 40. Thefactory preset is 14. The recom-mended initial setting for hydronicsystems is 35.The cooling will not go bel

20CONFIGURATIONCONFIGURATIONCONFIGURATIONCONFIGURATIONCONFIGURATIONwould be set so the fan shuts off justas the cool air is exhausted. If thistiming i

21temperature display.This is an excellent feature if thethermostat is in a poor location forsensing temperature or the thermo-stat is in a separate r

22COOLING SYSTEMCOOLING SYSTEMCOOLING SYSTEMCOOLING SYSTEMCOOLING SYSTEMCHECK THERMOSTAT OPERATIONCHECK THERMOSTAT OPERATIONCHECK THERMOSTAT OPERATION

23The configuration menus allow youto set certain thermostat operatingcharacteristics to your system orpersonal requirements.To enter the User Configu

24CONFIGURATION MENUCONFIGURATION MENUCONFIGURATION MENUCONFIGURATION MENUCONFIGURATION MENUStep Press Button(s) Displayed (Factory Default) Press

25Configuration8 0˚F(0)5 LO to5 HI9 (˚F) ˚C11 REMT SEN12PART LOCK(OFF)ONSelects partial keypad lockout OFF or ON13LOCK(OFF)ONSelects total keypad lock

26PROGRAMMINGMANUAL OPERATIONMANUAL OPERATIONMANUAL OPERATIONMANUAL OPERATIONMANUAL OPERATIONYour Comfort-Set 90 thermostat canbe used to control temp

27Programmingand the settings for time andtemperature.9. If you program Monday the firsttime you press PROGRAM VIEWit will be copied to the rest of th

1INTRODUCTIONThank you for purchasingyour new Model 975 thermo-stat. White-Rodgers has beenproducing energy savingcontrols for over 60 years.We have b

2862°F (16°C)62°F (16°C)62°F (16°C)62°F (16°C)62°F (16°C)62°F (16°C)62°F (16°C)5:00 PM5:00 PM5:00 PM5:00 PM5:00 PM5:00 PM5:00 PM 10:00 PM10:00 PM10:00

2982°F (27°C)82°F (27°C)82°F (27°C)82°F (27°C)82°F (27°C)82°F (27°C)82°F (27°C)5:00 PM5:00 PM5:00 PM5:00 PM5:00 PM5:00 PM5:00 PM 10:00 PM10:00 PM10:00

307 Day Personal HEATProgram Schedule1 Morning (MOR)2 Day (DAY)3 Evening (EVE)4 Night (NHT)5 Start Time6 TemperatureMONTUEWEDTHUFRISATSUN15 6 5

317 Day Personal COOLProgram ScheduleMONTUEWEDTHUFRISATSUN15 6 5 6 5 6 5 62 3 41 Morning (MOR)2 Day (DAY)3 Evening (EVE)4 Night (NHT)5 Start Time

32FEATURESLarge Lighted LiquidLarge Lighted LiquidLarge Lighted LiquidLarge Lighted LiquidLarge Lighted LiquidCrystal Display (LCD).Crystal Display (L

33is 3 hours and 45 minutes. Coolingcan start earlier because it takeslonger for cooling systems to reachthe desired temperature.To select or deselect

34change or clean your air filter. Thefactory set interval for CHNGFLTR to be displayed is 200 hoursof fan operation. This can be setanywhere from 0 t

35a specific amount of time, press or until the tempera-ture you want is displayed. Thedisplay will indicate HOLD, and thenumber of hours remaining

36Daylight Savings Time Button.Daylight Savings Time Button.Daylight Savings Time Button.Daylight Savings Time Button.Daylight Savings Time Button.One

37allows only the or tooperate for temporary temperatureoverrides. It also limits the tempera-ture to the maximum heating andminimum cooling tempe

2THE THERMOSTAT BUTTONSTHE THERMOSTAT BUTTONSTHE THERMOSTAT BUTTONSTHE THERMOSTAT BUTTONSTHE THERMOSTAT BUTTONSSee inside front cover for illustration

• One of the buttons is stuck downor in. Check buttons, make surenothing is pushing them in.• The thermostat sensor is notfunctioning. If using a remo

PROGRAMMING --------------- 26ScheduleSample Programs -------------- 28Personal Programs------------- 30SetClock ---------------------------- 26Day --

NOTES

PART NO. 37-6438A0223The Emerson logo is atrademark and service markof Emerson Electric Co.White-Rodgers is a divisionof Emerson Electric Co.Printed i

3FAN AUTOHRSCHECK BATTERY STAT SYSTEM°FAMMONPRGFAN ONHEATHEATHRSCHECK BATTERY°FAMMON WED THU FRI SAT SUNTUEWED THU FRI SAT SUNTUE18 1819202121

4INSTALLATIONModel 975:7 Day programmingELECTRICAL DATAELECTRICAL DATAELECTRICAL DATAELECTRICAL DATAELECTRICAL DATAElectrical Rating:17 to 30 VAC

5InstallationPRECAUTIONSPRECAUTIONSPRECAUTIONSPRECAUTIONSPRECAUTIONS▲!WARNINGWARNINGWARNINGWARNINGWARNINGDo not short out terminalson gas valve or pri

6ATTENTION!ATTENTION!ATTENTION!ATTENTION!ATTENTION!This product does not containmercury. However, this productmay replace a unit which containsmercury

7InstallationInsert the wires into the terminals onthe base using the appropriatewiring diagram and tighten theterminal screws.CONFIGURINGCONFIGURINGC