White Rodgers 1F85-277 Troubleshooting Guide

Model (s) Description Page(s) EMERSON BIG BLUE 12" TOUCHSCREEN 1F97-1277 ...

1F95-1277CONFIGURATIONTo enter the menu: Press the Menu touch key. Press and hold for 5 seconds the Installer Config touch key. This displays menu item

RELAYOUTLINE DRAWINGS90-244 thru 90-2492.4452.3132.0001.625.875 1.625.215 DIA.(4 HOLES)90-340 thru 90-342TECHNICAL HELPwww.white-rodgers.com223

HYDRONIC / APPLIANCE TECH HELP INDEXModel(s) Description Page(s) 8A04-1 ...

RESIDENTIALZONE VALVESTO AUXILIARY CIRCUITFOR OPERATING BURNERAND/OR CIRCULATOR.(NOTE: IF SAME TRANS-FORMER POWERS BOTHTHE AUXILIARY CIRCUITAND THE WA

RW13425TO AUXILIARY CIRCUIT.(NOTE: IF SAME TRANS-FORMER POWERS BOTHTHE AUXILIARY CIRCUITAND THE WATER VALVE,CONNECT AUXILIARY CIR-CUIT TO TERMINALS 1

TECH HELP INDEXINDOOR AIR QUALITY /ZONING SYSTEMSModel (s) Description Page(s) AIR CLEANERS Sizing Electronic Air Cleaner ...

COMMERCIAL OR OFFICE AIR CLEANERSThe correct number of commercial or office electronic air cleaners require for a particular application depends upon:•

WHAT AIR CLEANERS DOAND HOW THEY WORKELECTRONIC AIR CLEANERSOVERVIEWHOW ELECTRONIC AIR CLEANERS WORKElectronic air cleaners are by far the most efficie

PARTS VIEW DIAGRAM123545562378913141211101517SST SERIES* Standard Hardware Item• Two Required† Not Shown†† Kit converts -100 models to Air Flow Switc

PARTS VIEW DIAGRAMCOMFORTPROAIR CLEANERS3424153415111020191721232627PROGRAMAUTOOFF161314251812222829243230321313233Replacement ionizing wires electron

COMFORTPROAIR CLEANERSPos. Model Number Description ULElectrical components1 F849-0064 Motor + fan (120V / 1ph / 60Hz) x x x x x x x x x

Single Stage SystemRC RH C Y* W* G O/B 6 LCLASS IITRANSFORMERHOT24VACNEUTRAL120VACCall for heat24 volt power for cooling24 volt power for heating24 vo

COMFORTPROAIR CLEANERSAIR CLEANERPROGRAMMING OPTIONSProgram Setting 1: Service IndicatorThe Service Indicator is used to predict when the filter will n

COMFORTPROAIR CLEANERSAIR CLEANERPROGRAMMING OPTIONSProgram Setting 8: Time without high voltage afterService (Electronic Air Cleaners only)In setting

HSP2000HSP2600TYPICAL WIRINGDIAGRAMS120 VOLT MODEL HSP2000240 VOLT MODEL HSP2600TECHNICAL HELPwww.white-rodgers.com235

REPLACEMENTPARTS LISTHSP2000HSP2600Parts for Models HSP2000 and HSP2600Item Part Name Part No.1* 120 Volt Heater 000-0430-0551** 240 Volt Heater 000-0

HFT2100 ITEM NO. DESCRIPTION MODEL NUMBER 1 MOUNTING BASE – 2 DRIP TRAY 000-0602-055 3 WICK 000-1317-091 4 SIDE PIECE WITH COLLAR – 5

REPLACEMENTPARTS LIST ITEM NO. DESCRIPTION MODEL NUMBER 1 MOUNTING BASE 000-1730-091 2 DRIP TRAY 000-0602-055 3 WICK N/A 4 SIDE PIECE WITH

HFT2900FPREPLACEMENTPARTS LIST ITEM NO. DESCRIPTION MODEL NUMBER 1 MOUNTING BASE 000-1730-091 2 DRIP TRAY 000-0602-055 3 WICK N/A 4 SIDE PI

ZONINGDESIGNZONING SYSTEM DESIGNZoning any forced air system is easy once you know a few of the ba-sic rules. The main consideration is to maintain a

ZONE 1 CLOSEDDUMPER DAMPERDUMP ZONEZONE 3 CLOSEDZONE 2 OPENThe diagram above shows a typical three zone damper system with a barometric by-pass, Model

ZONINGDESIGNZONING COMMERCIAL SYSTEMSZoning for commercial and light commercial office buildings makes even more sense as every person has their own id

Press and hold the Menu button for at least 5 seconds. The display will show item #1 in the table below. Press Menu to ad-vance to the next menu item.

However when two units are installed side by side in the same area and both units add up to less than 6 Tons, this is the case for using one unit and

CZ-4MASTER CONTROL PANELPower Indicator LEDSystem Model Indicator LEDPurge OverrideButton Boot ButtonAdjustable Heating LimitAdjustable SecondStage Ti

4. STAT B TO W (cont.) NOTE: Some OEMs use the B terminal as a transformer Common and not as the heating reversing valve. These thermostats will u

CZ-4OPERATION AND WIRINGPURGE TIMEThe CZ-4 has a built-in Purge Time after each call is satisfied and provides a minimum off time before another call i

CZ-4/CAZ-2 ADDING ZONESAND TROUBLESHOOTINGMINIMUM ON TIMERThe CZ-4 also has a minimum on time whenever the compressor operates in order to prevent fre

INSTALLATION The Comfort Plus™ Zoning System-3 is a two (2) and three (3) zone control panel for single stage heating only, cooling only or heating an

ZONE PANELPURGE TIMEOnce a call is satisfied the CMM-3 drops the call for the heating or cooling unit controls, whichever was calling and hold the damp

Single Stage Equipment YWGRCompressor RelaySINGLE STAGE HVAC CONNECTIONSMMZ3H V A C EQ U I PM EN TYWGRCompressor RelayR 24V. Transformer CH

System Mode Indicator Power Indicator LED HVAC Equipment Connections Automatic ResettingFuse Zone Calling Indicators Mounting Keyholes Two

continue to run in order to adequately provide conditioning for each mode. If a particular mode has already been calling for 20 minutes or longer and

SingleStage 1(SS1)Multi-Stage 2(MS2)NoOutputCoolMode2ndStageCool Mode1st StageBlower/CirculatorFan Energizedon Call forCool (andHeat ifconfiguredfor E

CMM-3UCMM-3UKPURGE TIME The CMM-3U has a built-in Purge Time after each call is satisfied and provides a minimum off time before another call is initia

WIRING DIAGRAM 4 - HVAC Equipment – ConventionalTwo Stage Heating and Single Stage Cooling Y1 FIRST STAGE COOLG FAN RELAYR

CMM-3U WIRING DIAGRAM ZONE PANELCMM-3UCMM-3UKTECHNICAL HELPwww.white-rodgers.com255

CSPRD STATIC PRESSUREREGULATING DAMPERBAROMETRIC RELIEF DAMPERSThe Static Pressure Regulating Dampers, Model CSPRD, are barometric relief dampers used

CRDS ROUNDSPRING RETURN DAMPERSSINGLE BLADE, ROUND, SPRING RETURN DAMPERSThe CRDS series are galvanized steel, single blade dampers com-pete with a 24

1F95EZ-0671TYPICAL WIRING AND CONFIGURATIONSingle Stage3-wireZone ValveapplicationBlower/CirculatorFan EnergizedOpensValve(4)Constant24 Volt(Com-mon)2

Single Stage or Multi-Stage System (No Heat Pump) with Single TransformerTYPICAL WIRING1F95-0671TYPICAL WIRING DIAGRAMSSingleStage 1(SS1)Multi-Stage 2

TYPICAL WIRING AND CONFIGURATION 1F95-0671 TYPICAL WIRING DIAGRAMS Single Stage3-wireZone ValveapplicationBlower/CirculatorFan EnergizedOpensVal

CONFIGURATION1F95-0671CONFIGURATION MENUMenuRef. HP SSPress ButtonDisplayed Factory (Default)Press or to select from listed options COMMENTS13 12

SingleStage 1(SS1)Multi-Stage 2(MS2)OEnergizedConstantlyinCool ModeBEnergizedConstantlyin Heat, Off,EmergencyModeNoOutputCoolMode2ndStageCool Mode1st

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

Model (s) Description Page(s) AIR CLEANERS Sizing Electronic Air Cleaner ... Instant Ex

TYPICAL WIRING AND CONFIGURATION 1F95-0680CONFIGURATION MENUMenuRef. HP SSPress ButtonDisplayed Factory (Default)Press or to select from listed op

1F80-0471/1F86-0471CONFIGURATION ANDTERMINAL OUTPUTS RH RC W G Y O/B C 24 V for 24 V for Heat Fan Compressor 3-wire 24 V Heat Cool Rela

SingleStage 1(SS1)Multi-Stage 2(MS2)OEnergized Constantlyin Cool ModeBEnergized Constantlyin Heat, Off,EmergencyModeNoOutputCoolMode2ndStageCool Mode1

1F83-0471/1F85-0471Single Stage3-wireZone ValveapplicationBlower/CirculatorFan EnergizedOpensValve(4)Constant24 Volt(Com-mon)24 Volt(Hot)CoolSystem6YW

CONFIGURATIONTYPICAL WIRING1F83-0471/1F85-04711F83-0422/1F85-04221F83-0471/1F85-0471 INSTALLER/CONFIGURATION MENU (cont.) CONFIGURATION MENUMenuRef. H

SingleStage 1(SS1)Multi-Stage 2(MS2)OEnergized ConstantlyinCool ModeBEnergized Constantlyin Heat, Off,EmergencyModeNoOutputCoolMode2ndStageCool Mode1s

CONFIGURATION 1F83-0422/1F85-0422With thermostat in Heat, Cool or Auto, in normal operation, press the Menu button for at least 5 seconds. The display

Heat Pump 2(HP2)Heat Pump 1(HP1)OEnergized inCool ModeBEnergized inHeat, Off,EmergencyMode2nd Stage(Com-pressor)NoOutputHeat andCool Mode1st Stage(Com

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

CONFIGURATION1F85-0477INSTALLER/CONFIGURATION MENU (cont.) CONFIGURATION MENUMenuRef. HP SSPress ButtonDisplayed Factory (Default)Press or to sele

TYPICAL WIRING1F97-1277SingleStage(SS)Energized in CoolModeEnergized in Heat,Off ModeSystemORH+BCLASS IITRANSFORMERHOT24VACNEUTRAL120VACWGC*-Energized

TYPICAL WIRING1F80-0224/1F86-02441F80-0261/1F87-0261TYPICAL WIRING DIAGRAMSRC24 VAC120 VACHotNeutralTHERMOSTATSYSTEMG WTypical wiring diagram for sing

RCG WTypical wiring diagram for two transformer single stage systems with safety circuits in BOTH systemsChangeoverRelay*YO/BCompressorContactor* Chan

TYPICAL WIRING 1F82-0261/1F89-0211LRC24 VAC120 VACHotSYSTEMMONITORSWITCHNeutralTHERMOSTATSYSTEMG W2Typical wiring diagram for single transformer syste

1F82-0261/1F89-0211 CONFIGURATIONThe configuration menu allows you to set certain thermostat operating characteristics to your system or personal requi

N/AStep Press Button(s) COMMENTSPress or to select: Displayed (Factory Default)HOLD(0:00)0 to 8 hrs (in 15 minute incremen

LRE24 VAC120 VACHotSYSTEMMONITORSWITCHNeutralSYSTEMG W2Single transformer systemsTRANSFORMER(Class II)ChangeoverRelay*CYO/BCompressorContactor* Change

COMFORT-SET 801F83-277 / 1F85-275 / 1F85-277CONFIGURATION ANDTERMINAL OUTPUTSHeat Pump 1(HP1)Heat Pump 2(HP2)Energized inCool ModeEnergized inHeat, Of

1E78-151CONFIGURATION ANDTYPICAL WIRING DIAGRAMSBaseBack of Thermostat Body RCELEC GASGRHYO BWW906W904Elec/GasSwitchW903MountingHoleMountingHoleW903 -

1F72-1511F79-111CONFIGURATION ANDTERMINAL OUTPUTSReset Operation 1F72-151If a voltage spike or static discharge blanks out the display or causes errat

W905Clip forHydronicSystemW904Clip forCelsius DisplayW905W904ELEC GASElectric/GasSwitchWRHBRCGO YCONFIGURATION ANDTYPICAL WIRING DIAGRAMSRHY24 VAC120

INSTALLER/CONFIGURATION MENUTo enter the menu: Press the Menu touch key. Press and hold for 5 seconds the Installer Config touch key. This displays men

1C20 / 1C21 / 1C26 / 1E30 / 1E56 / 1F56RH W B O Y G RC A24 VAC120 VACHotNeutralTRANSFORMERHeatRelayCompressorRelayFanRelay** *Factory or Field-Install

To view the setpoint temperature, press the or button once. The icon appears and the thermostat displays the setpoint temperature. To change the

REMOTE SENSORSMAXIMUM SENSING LOCATIONS PER THERMOSTAT44StagingThermostat ModelNumberIndoor Sensing Locations4442Remote SensorTotal(Max.)ThermostatOnb

REMOTE SENSORTROUBLESHOOTING REMOTE SENSORSNote: The diagram below shows how to attach an isolation relay to the “W” or “Y” circuit to provide constan

REMOTE SENSORSREMOTE SENSORWIRING+SE2–To + or S1To S or S2To - or S3Thermostat SubbaseThermostat SubbaseThermostat SubbaseThermostat SubbaseThermosta

REMOTE SENSORWIRINGRCEW2W1Y2Y1BOGPH D SA SB SC OTLW3A1E2PSA SB SC OT+ Terminals- TerminalsThermostat SubbaseThermostat SubbaseThermostat SubbaseThermo

21D28-38A18221D28-3 / 8A18Z-2 / 8A18Z-3 Typical WiringEVAPORATIVECOOLINGTECHNICAL HELPwww.white-rodgers.com169

HEATING TECH HELP INDEXModel (s) Description Page(s) 36C ...

3 terminal panelTH-TRTHTRMAIN VALVE RELAYTH TRREDUNDANT PILOT/VALVETH - TRMilivolt 3 Terminal PanelTH-PGTHPGMAIN VALVE RELAYTH PGTH-PGMAINVALVERELAYFi

36C WIRINGINFORMATIONCycle pilot Plug-inPILOTADJ.SLCOM.BLACKPRESSURESWITCHTA N TA NREDUNDANTCOILWHITEMAINRELAYCOILTA NTA NSLCOMMON4234 terminal panel1

TYPICAL WIRING1F95-1280/1F95-1291TYPICAL WIRING DIAGRAMSSingle Stage or Multi-Stage System (No Heat Pump) with Single TransformerHeat Pump SystemsHeat

Relay two stage12232ND STAGERELAYMAIN VALVEREDUNDANTVALVE436D131234PILOT ADJ.TH-TRTHTRMAIN VALVE RELAYTH TRREDUNDANT PILOT/VALVE2 terminal panelCycle

36C WIRINGINFORMATIONFig 12PILOTADJ.SLCOM.Fig 13PILOTADJ.SLCOM.Fig 14Fig 15PILOT(REDUNDANT)CMAINPRESSURESWITCHON/OFFSWITCH2143FLAMESWITCH36CELECTRICAL

Figure 1Type 51Figure 2Type 21AFigure 3Type 12BFigure 4Type 12AFigure 5Type 30Figure 6Type 24Figure 7Type 236E WIRINGINFORMATIONTECHNICAL HELPwww.whit

36H32-42336H64-463 WIRINGWIRING DIAGRAM - HSI MODELS36H2X & 36H5XWIRING DIAGRAM - PILOTED MODELS36H3X & 36H6XRedundantCoil(+)(-)SW1SW1SW2PCMai

HIGH FIRE COIL TERMINAL (HI)COMMON TERMINALS (C)COAXIAL COIL TERMINAL (M)ON/OFF SWITCHINLET PRESSURE BOSSOUTLET PRESSURE BOSSHIGH FIREREGULATOR ADJUST

INTEGRATEDFURNACE CONTROLS21M51U-843 WIRING AND CONFIGURATIONHOT(LINE)50M51-843 TYPICAL WIRING DIAGRAMNEUTRAL(LINE)120 VAC24 VAC CLASS IITRANSFORMER50

INTEGRATEDFURNACE CONTROLS21M51U-843 WIRING AND CONFIGURATION50M51-843TERMINAL50M51-843 TYPICAL WIRING TABLETERMINALTYPESYSTEM COMPONENTCONNECTIONW1tw

INTEGRATEDFURNACE CONTROLS21M51U-843 OPERATIONOPTION SWITCHESOption switches on the 50M51-843 control are used to deter-mine the length of the delay-t

INTEGRATEDFURNACE CONTROLS21M51U-843 OPERATIONTWINNING INTERFACE The 50M51 is equipped with a single wire twinning interface. If twinning is used, ei

DIAGNOSTIC TABLEGreen LED FlashAmber LED FlashRed LED Flash Error/Condition Comments/Troubleshooting1 Flame sensed when no flame should be presentVerif

1F95-1280CONFIGURATIONTo enter the menu: Press the Menu touch key. Press and hold for 5 seconds the Installer Config touch key. This displays menu item

INTEGRATEDFURNACE CONTROLS21V51U-843 WIRING AND CONFIGURATIONThe 50V51-843 has only one serviceable part –an automotive type fuse, which protects the

INTEGRATEDFURNACE CONTROLS21V51U-843 WIRING AND CONFIGURATION50V51-843TERMINALTERMINALTYPESYSTEM COMPONENTCONNECTION24 VAC COMMONlow heat speed select

21V51U-843 OPERATIONINTEGRATEDFURNACE CONTROLSHeat Fan Off Delay Timing DIP switches S7-3 and S7-4 (see table above) configure the number of seconds th

Motor Configuration SettingsAB CDNo Signal Positive Half WaveNegative Half WaveFull WaveCoolS3-1 OFF ON OFF ONS3-2 OFF OFF ON ONAdjustS3-3 OFF ON OFF O

The 50V51-843 has only one serviceable part –an automotive type fuse, which protects the low voltage transformer from damage if the output is short-ci

INTEGRATEDFURNACE CONTROLS21V51U-843 OPERATIONTRI-COLOR (DSI LED) DIAGNOSTIC TABLEGreen LED FlashAmber LED FlashRed LED FlashError/Condition Comments/

INTEGRATED FURNACECONTROL MODULETROUBLESHOOTINGGUIDE50A55 INTEGRATED FURNACE CONTROL MODULEQualified Serviceman’s Troubleshooting GuideTROUBLESHOOTING

Placethermostatfan switch inthe ONposition.Return fanswitch toAUTO position.Indoor BlowerCheckDoes indoorblower run atHEAT speed?YESYESNONOYESNOYESNOY

INTEGRATED FURNACECONTROL MODULETROUBLESHOOTINGGUIDEPlace thermostatsystem switch incooling mode and fanswitch in AUTOposition. Lowertemperature selec

Inducer Draft MotorandPressure SwitchCheckIs induceddraft motorenergized?YESYESNOIs diagnosticLED flashing 3times?Call for heat.ThermostatcontactsR &a

TYPICAL WIRING1F95-1280/1F95-1291 1F95-1280 INSTALLER/CONFIGURATION MENU (cont.) To enter the menu: Press the Menu touch key. Press and hold for 5 sec

Main BurnerIgnition Check.Inducer ON.Does ignitorwarm up andglow?YES YESNONODoes burnerignite?Turn power OFF to furnace.Unplug ignitor from wireharnes

FlameSensorCheckDoes mainburner remainlit?YES NOYESNOIs blowerat heat speedwithin 1 minuteof burner ignition?Does ignitor remainenergized withflame pr

THTRMVMVGNDFPHLOHLIPSCRGWYEAC NHUM NXFMR NLINE NCIR NIGNINDIGN NIND NHUMEACXFMRLINEPARKPARKHEATCOOLIGNITORYWGRTHERMOSTATGASVALVEHIGH LIMIT(N. C.)ROLLO

HEAT delay-to-fan-off:Set switch#3 #460 sec.90 sec.120 sec.180 sec.*On OnOff OnOn OffOff OffCOOL d

UNIVERSAL HOT SURFACEIGNITION CONTROLS (HSI)WIRING ANDCONFIGURATION50A55TERMINALTERMINALTYPESYSTEM COMPONENTCONNECTIONTYPICAL SYSTEM WIRING TABLEWGRYC

INTEGRATEDFURNACE CONTROLSWIRING ANDCONFIGURATIONThe 50A62-820 is an automatic gas interrupted ignition control that employs a microprocessor to conti

INTEGRATEDFURNACE CONTROLS50A62-820 WIRINGAND CONFIGURATION50A62-820TERMINALTERMINALTYPESYSTEM COMPONENTCONNECTIONTYPICAL SYSTEM WIRING TABLE* maximum

OPTION SWITCHESThe option switches on the 50A62-820 control are used to determine the length of the heat delay-to-fan-off period. The following table

INTEGRATEDFURNACE CONTROLSWIRING ANDCONFIGURATIONTHTRMVMVGNDFPHLOHLIPSCRGWYEAC NE33HUM NXFMR NLINE NCIR NIGN NIND NIGNINDHUMEACXFMRLINEPARKPARKHEATCOO

The 50A65 has only one serviceable part–an automotive type fuse, which protects the low voltage transformer from damage if its output is short-circuit

1F95-1291 INSTALLER/CONFIGURATION MENU (cont.) 1F95-1291CONFIGURATIONCONFIGURATION MENUMenuReferenceNumberProgram-mableNon-Program-mablePress keyDispl

OPTION SWITCHES The option switches on the 50A65-843 control are used to determine the length of the cool delay-to-fan-off, heat delay-to-fan-on and h

Terminal Wiring Cross Reference Original Control Replacement Control Honeywell Robertshaw Old White-Rodgers Terminal Function S89 / S8

TECHNICALHELP50E47-843 OPERATION& TROUBLESHOOTINGMV2TRGNDTHMV1L2FPL1HS1THERMOSTAT ORCONTROLLERALTERNATE LIMITL1(HOT)L2LIMITCONTROLLERFLAME PROBERE

TECHNICALHELP50E47-843 OPERATION& TROUBLESHOOTINGOPERATIONIn a typical application the 50E47-843 is designed to energize the ignitor and gas valve

TECHNICALHELP50E47-843 OPERATION& TROUBLESHOOTINGyesyesyesnonononononononoyesyesyesyesReset control to clear lockout and confirm fault.Rapid Flash

50D50-842, -843WIRINGPROVEN PILOTDSIFig. 1 – Typical hookup for White-Rodgers replacementwith separate flame sense and spark probesFig. 2 – Typical ho

INTEGRATEDFURNACE CONTROLS50M56U-843 WIRING AND CONFIGURATIONTHTRMV HIMV COMMV LOGNDHLOHLIPSOPSICRGWYIGNITORYWGRTHERMOSTAT2 STAGEGASVALVEHIGH LIMIT(N.

50M56U-843 TYPICAL WIRING DIAGRAM50M56TERMINALTERMINALTYPESYSTEM COMPONENTCONNECTION† Maximum recommended flame probe wire length is 36 inches.WGRYCHL

INTEGRATEDFURNACE CONTROLS50M56U-843 OPERATIONOPTION SWITCHESThe option switches on the 50M56U-843 control are used to determine the length of the hea

INTEGRATEDFURNACE CONTROLS50M56U-843 OPERATIONDIAGNOSTIC FEATURESThe 50M56U-843 control continuously monitors its own operation and the operation of t

TYPICAL WIRING1F95-1277TYPICAL WIRING DIAGRAMSSystemORH+BCLASS IITRANSFORMERHOT24VACNEUTRAL120VACW/EGC-W2NoOutput24 VAC(Hot)CoolPowerremoteTemp-eratur

7/16"15/16"1 3/8"15/32"9/16"2 1/2" 2 11/16" 2 13/32" 9/16"3 11/32"4 1/8" 1 9/16" 1 "

Model Temp. Setting Open Close Number On Panel Temp. Temp. 3L09-1 L140-40 140°F±5° 100°F±8° 3L09-2 L170-40 170°F±5° 130°F±8° Model Temp. S

1.200 REF.1.620 REF.2.800 REF.THERM-O-DISC TYPE NO., STYLE NO.,TEMPERATURE SETTING AS SHOWN IN CHARTAND DATE CODE TO BE STAMPED ON PANEL..940 REF.1.88

BOARD MOUNTLIMIT CONTROLS3L09 OUTLINEDIAGRAMS Model Temp. Setting Open Close Number On Panel Temp. Temp. 3L09-26 L180-20F 180°F±5° 160°F±8° 3L

16E09-101 OPTION SWITCH SETTING AND WIRINGTECH HELP INDEXWiring Instruction NotesSwitch Settings COOLHEATSW1COOLHEATSW1 Circuit Board Insid

16E09-101 USER MENUUSER MENU OPERATION SETTINGS:The control has user Menu settings that will determine how the control operates. The unit is shipped w

16E09-101 USER MENU / OPERATIONMenuItem DescriptionFactoryDefaultOptionsPress or to select CommentsSb Set Back 0 0 to 50 Selects the number of degr

Lock Panel (LP)The keypad can be locked to prevent unwanted tampering with the control settings. In the User Menu, change the menu item LP selection t

LCD display, display back-light and green status indica-tor LED turn off in Power Stealing mode:This “off” condition is normal for the control in powe

TECH HELP INDEXTRANSFORMERS AND RELAYS 90-63Model(s) Description Page(s) 90-63 / 90-160 thru 90-172 ............