White Rodgers 1F82-261 User manual

WARNING
!
Do not use on circuits exceeding specified voltage.
Higher voltage will damage control and could cause
shock or fire hazard.
Do not short out terminals on gas valve or primary
control to test. Short or incorrect wiring will damage
thermostat and could cause personal injury and/or
property damage.
Thermostat installation and all components of the sys-
tem shall conform to Class II (current limited) circuits per
the NEC code. Failure to do so could cause a fire hazard.
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE
PERSONAL INJURY AND/OR PROPERTY DAMAGE.
DESCRIPTION
SPECIFICATIONS
ELECTRICAL DATA
Electrical Rating:
20 to 30 VAC 50/60 Hz. or D.C.
0.05 to 1.0 Amps (Load per terminal)
1.5 Amps Maximum Total Load (All terminals combined)
THERMAL DATA
Setpoint Temperature Range:
45°F to 90°F (7°C to 32°C)
Operating Ambient Temperature Range:
32°F to 105°F
Operating Humidity Range:
0 to 90% RH (non-condensing)
Shipping Temperature Range:
-4°F to 149°F
APPLICATIONS
For use with the following Class II systems:
s 3TANDARDHEATPUMPSYSTEMSWITHELECTRICGASOROIL!UX
heat with 24VAC Hot and Common available
s 3INGLESTAGEHEATPUMPSYSTEMSWITHNO!UXHEATWITH
24VAC Hot and Common available
DO NOT USE WITH:
s -ILLIVOLTSYSTEMS
s 3YSTEMSEXCEEDING6!#ANDAMPS
s WIREZONEDHYDRONICHEATINGSYSTEMS
1F82-261
Programmable Electronic Digital
Heat Pump Thermostat
INSTALLATION AND
OPERATION INSTRUCTIONS
PRECAUTIONS
This thermostat is intended for use with a low voltage NEC
Class II system. Do not use this thermostat with a line voltage
SYSTEM)FINDOUBTABOUTWHETHERYOURWIRINGISMILLIVOLTLINE
ORLOWVOLTAGEHAVEITINSPECTEDBYAQUALIlEDHEATINGANDAIR
conditioning contractor or electrician.
$ONOTEXCEEDTHESPECIlCATIONRATINGS
All wiring must conform to local and national electrical codes
and ordinances.
4HISCONTROLISAPRECISIONINSTRUMENTANDSHOULDBEHANDLED
carefully. Rough handling or distorting components could cause
the control to malfunction.
Operator: Save these instructions for future use!
CAUTION
!
To prevent electrical shock and/or equipment damage,
disconnect electric power to system at main fuse or
circuit breaker box until installation is complete.
s ,#$CONTINUOUSLYDISPLAYSSETPOINTANDALTERNATELY
displays time and room temperature
s #ONTINUOUS"ACKLITDISPLAYOPTION
s 4EMPERATUREOVERRIDEUNTILNEXTPROGRAMPERIOD
s -ANUALPROGRAMOVERRIDE(/,$TEMPERATURE
s 4EMPORARY(/,$
s &#CONVERTIBILITY
s 4EMPERATURERANGETO&
s 2#97'/"%AND,TERMINALSFORSINGLEOR
two-transformer systems
9OURNEW$AY$AY$AY$IGITAL4HERMOSTATUSESTHETECH-
nology of a solid-state microcomputer to provide precise time/
TEMPERATURECONTROL4HISTHERMOSTATOFFERSYOUTHEmEXIBILITYTO
DESIGNHEATINGANDCOOLINGPROGRAMSTHATlTYOURNEEDS
Features:
s 3EPARATEDAYWEEKDAYANDDAYDAY3ATURDAY
3UNDAYPROGRAMMINGWITHFOURSEPARATETIMETEMPERATURE
periods per day
s 3IMULTANEOUSHEATANDCOOLPROGRAMSTORAGE
s 0REPROGRAMMEDTEMPERATURECONTROL
s /PTIONALBATTERYBACKUPFOR!#POWERLOSS
www.white-rodgers.com
www.emersonclimate.com
PART NO. 37-6175F
Replaces 37-6175E
1338

2
INSTALLATION
REMOVE OLD THERMOSTAT
 3HUTOFFELECTRICITYATTHEMAINFUSEBOXUNTILINSTALLATIONIS
complete. Ensure that electrical power is disconnected.
2. Remove the front cover of the old thermostat. With wires
still attached, remove wall plate from the wall. If the old
THERMOSTATHASAWALLMOUNTINGPLATEREMOVETHETHERMOSTAT
and the wall mounting plate as an assembly.
3. Identify each wire attached to the old thermostat using
the labels enclosed with the new thermostat.
4. Disconnect the wires from old thermostat one at a time. DO
NOT LET WIRES FALL BACK INTO THE WALL.
5. Install new thermostat using the following procedures.
ATTENTION!
4HISPRODUCTDOESNOTCONTAINMERCURY(OWEVERTHISPRODUCT
may replace a unit which contains mercury.
$ONOTOPENMERCURYCELLS)FACELLBECOMESDAMAGEDDONOT
TOUCHANYSPILLEDMERCURY7EARINGNONABSORBENTGLOVESTAKE
up the spilled mercury and place into a container which can be
SEALED)FACELLBECOMESDAMAGEDTHEUNITSHOULDBEDISCARDED
-ERCURYMUSTNOTBEDISCARDEDINHOUSEHOLDTRASH7HENTHEUNIT
THISPRODUCTISREPLACINGISTOBEDISCARDEDPLACEINASUITABLE
container. Refer to www.white-rodgers.com for location to send
the product containing mercury.
ATTACH THERMOSTAT BASE TO WALL
 2EMOVETHEPACKINGMATERIALFROMTHETHERMOSTAT'ENTLYPULLTHE
cover straight off the base. Forcing or prying on the thermostat
will cause damage to the unit.
2. Connect wires beneath terminal screws on base using ap-
PROPRIATEWIRINGSCHEMATICSEElGSTHROUGH
 0LACEBASEOVERHOLEINWALLANDMARKMOUNTINGHOLELOCATIONS
on wall using base as a template.
 -OVEBASEOUTOFTHEWAY$RILLMOUNTINGHOLES
 &ASTENBASELOOSELYTOWALLASSHOWNINlGUSINGTWO
MOUNTING SCREWS 0LACE A LEVEL AGAINST BOTTOM OF BASE
ADJUSTUNTILLEVELANDTHENTIGHTENSCREWS,EVELINGISFOR
appearance only and will not affect thermostat operation.)
)FYOUAREUSINGEXISTINGMOUNTINGHOLESORIFHOLESDRILLED
ARETOOLARGEANDDONOTALLOWYOUTOTIGHTENBASESNUGLY
use plastic screw anchors to secure subbase.
 0USHEXCESSWIREINTOWALLANDPLUGHOLEWITHAlRERESISTANT
MATERIALSUCHASlBERGLASSINSULATIONTOPREVENTDRAFTSFROM
affecting thermostat operation.
ELECTRIC/GAS JUMPER (Fan Option)
Read the following information before clipping the nonelectric
HEATJUMPER )FYOU ARE UNSUREOFYOUR APPLICATIONCONTACTA
QUALIlEDSERVICEPERSON
)FYOUREMERGENCYORAUXILIARYSYSTEMWILLENERGIZETHEBLOWER
THENJUMPER7ONTHETHERMOSTATBASEMUSTBECUTSEE
lG
)FYOUREMERGENCYORAUXILIARY HEATSYSTEMREQUIRES THAT THE
THERMOSTATENERGIZETHEFANCIRCUITDONOTCUTJUMPER7
OPTIONAL BATTERIES
7ITHTWO!!BATTERIESINSTALLEDYOURTHERMOSTATWILLMAINTAIN
time and continuously display the temperature during a loss of
AC power. Installed batteries will also allow programming prior
TOINSTALLATION&ORBESTRESULTSUSENEWPREMIUMBRANDBATTERIES
such as Duracell®or Energizer®.
ENERGY MANAGEMENT RECOVERY
(EMR)
7HENTHE%-2FEATUREISACTIVATEDTHETHERMOSTATgSMICROCOMPUT-
ERCALCULATESTHETIMEITWILLTAKETOCHANGETHEROOMTEMPERATURE
TOTHENEXTHEATORCOOLPROGRAMSETTING4HENTHETHERMOSTAT
WILLSTARTTHESYSTEMBEFORETHENEXTPROGRAMMEDPERIODSOTHAT
the desired temperature is reached at or near the beginning of
the period (the thermostat calculates 15 minutes for every 1°F
TEMPERATURECHANGE4HISMINIMIZESTHEUSEOFAUXILIARYSTAGES
during the transition period to reduce energy costs.
&OREXAMPLE4HETHERMOSTATISPROGRAMMEDTOPROVIDEANOVER-
NIGHTHEATINGTEMPERATUREOF&ANDDURINGTHENEXTPROGRAM
PERIOD BEGINNING AT  !- THE PROGRAMMED TEMPERATURE
IS&7ITH%-2ACTIVATEDTHETHERMOSTATWILLAUTOMATICALLY
STARTTHEHEATINGSYSTEMAT!-SOTHATTHEPROGRAMMED
TEMPERATUREOF&ISREACHEDBYABOUT!-
)FTHEOVERNIGHTROOMTEMPERATUREDROPSONLYTO&THETHER-
mostat will start the system at 5:30 to reach the programmed
temperature of 70°F at 6:00.
4HETHERMOSTATISSHIPPEDWITHTHE%-2FEATUREactiveWHICH
means that the thermostat will start the heating system before
THEBEGINNINGOFTHENEXTPROGRAMPERIOD4HISFEATUREPROVIDES
BETTEREFlCIENCYBYALLOWINGGRADUALTEMPERATURECHANGESUSING
ONLYTHElRSTSTAGEOFHEAT
To deactivate the EMR function, seeTHE#ONlGURATIONMENU
on Page 5). The thermostat will then wait until the programmed
time to start the system for a temperature change.
O/B TERMINAL SWITCH SELECTION
4HE/"SWITCHONTHISTHERMOSTATISFACTORYSETTOTHEh/vPOSITION
4HISWILLACCOMMODATETHEMAJORITYOFHEATPUMPAPPLICATIONS
WHICHREQUIRETHECHANGEOVERRELAYTOBEENERGIZEDIN#//,
If the thermostat you are replacing or the heat pump being in-
STALLEDWITHTHISTHERMOSTATREQUIRESAh"vTERMINALTOENERGIZE
THECHANGEOVERRELAYIN(%!4THE/"SWITCHMUSTBEMOVED
TOTHEh"vPOSITION
Optional (2) "AA" batteries
Mounting
hole
Mounting
hole
W904
Electric/Gas
jumper
O/B
switch
Screw anchors
W904
Figure 1. Thermostat Base

3
LR
E
24 VAC 120 VAC
Hot
SYSTEM
MONITOR
SWITCH
Neutral
THERMOSTAT
SYSTEM
G W2
Figure 2. Typical wiring diagram for single transformer systems
TRANSFORMER
(Class II Current Limited)
Changeover
Relay*
CYO/B
Compressor
Contactor
* Changeover Relay is energized in COOL when O/B switch is in the “O” position
Changeover Relay is energized in HEAT when O/B switch is in the “B” position
Aux
Relay
(Stage 2)
Fan
Relay
Emergency
Relay
See Note **
** Jumper required to use a single Aux Heat for both Second Stage Heat and Emergency
LR
E
24VAC 120 VAC
Hot
SYSTEM
MONITOR
SWITCH
Neutral
THERMOSTAT
SYSTEM
G W2
Figure 3.Typical wiring diagram for two transformer systemswith NO safety circuits
TRANSFORMER
(Class II Current Limited)
Changeover
Relay*
CYO/B
Compressor
Contactor
*Changeover Relay is energized in COOL when O/B switch is in the“O”position
Changeover Relay is energized in HEAT when O/B switch is in the“B”position
Aux
Relay
(Stage 2)
Fan
RelayEmergency
Relay
Limit or
Safety
Switches
TWO COMMONSMUST
BE JUMPERED TOGETHER!
HOT
NEUTRAL
120 VAC 24VAC
CUT AND
TAPE OFF!
If safety circuitsare in
only one of thesystems,
removethetransformer
of thesystem with NO
safety circuits.
NOTE
** Jumper required to use asingleAux Heat forboth Second Stage Heat and Emergency
See Note**
LR
E
SYSTEM
MONITOR
SWITCH
G W2
Figure 4. Typical wiring diagram for two transformer systems with safety circuits in BOTH systems
Changeover
Relay*
CYO/B
Compressor
Contactor
* Changeover Relay is energized in COOL when O/B switch is in the “O” position
Changeover Relay is energized in HEAT when O/B switch is in the “B” position
Aux
Relay
(Stage 2)
Fan
Relay
Emergency
Relay
TWO COMMONS MUST
BE JUMPERED TOGETHER!
24 VAC 120 VAC
HOT
NEUTRAL
THERMOSTAT
SYSTEM
HOT
NEUTRAL
120 VAC
Limit or
Safety
Switches
Limit or
Safety
Switches
Limit or
Safety
Switches
24 VAC
Limit or
Safety
Switches
COMMON
COMMON
Auxiliary
Heating
Transformer
(Class II
Current Limited)
Heat Pump Transformer
(Class II Current Limited)
24 VAC
ACCESSORY
RELAY N.O.
CONTACT
Polarity must be observed. If the HOT side of
the second transformer is jumpered to the
COMMON side of the first transformer a short
will be made. Damage to equipment will occur
when power is restored.
NOTE
The accessory relay scheme
is required when safety
circuits exist in both systems.
NOTE
See Note **
** Jumper required to use a single Aux Heat for both Second Stage Heat and Emergency
WIRING DIAGRAMS

4
Cooling System
 -OVE3934%-SWITCHTOCOOL position.
2. Press to adjust thermostat setting below room tempera-
TURE4HEBLOWERSHOULDCOMEONIMMEDIATELYONHIGHSPEED
followed by cold air circulation
3. Press to adjust temperature setting above room tem-
perature. The cooling system should stop operating.
2
1
3 4 5 6 7 8
11 1416 12
15 11
10
13 13
9
9
Figure 5. Thermostat display, buttons, and switches
SU
EMERHOLD
PM
SA MALF
FLTR
AM
MO TU WE TH FR
TIME PRGM RUN HOLD
Fltr
FAN
EMER
ON AUTO COOL
OFF HEAT
OPERATION
"EFOREYOUBEGINPROGRAMMINGYOURTHERMOSTATYOUSHOULDBE
familiar with its features and with the display and the location and
OPERATIONOFTHETHERMOSTATBUTTONS9OURTHERMOSTATCONSISTSOF
two parts: the thermostat cover and the base. To remove the
COVERPULLITSTRAIGHTOUTFROMTHEBASE4OREPLACETHECOVER
line up the cover with the base and press until the cover snaps
onto the base.
THE THERMOSTAT BASE
/THERTHAN and  THEFOLLOWINGBUTTONSANDSWITCHES
ARELOCATEDONTHEBOTTOMOFTHETHERMOSTATCOVERSEElG
The Thermostat Buttons and Switches
1Raises temperature setting.
2Lowers temperature setting.
3 4)-%BUTTON
4 02'-PROGRAMBUTTON
5RUN (program) button.
6 (/,$TEMPERATUREBUTTON
7FAN switch (ONAUTO).
8 3934%-SWITCHCOOLOFFHEAT, EMER).
The Display
9 )NDICATESDAYOFTHEWEEK
10 Indicates a malfunction with the system.
CHECK THERMOSTAT OPERATION
If at any time during testing your system does not operate
PROPERLYCONTACTAQUALIlEDSERVICEPERSON
Turn on power to the system.
Fan Operation
If your system does not have a GTERMINALCONNECTIONSKIPTO
Heating System.
 -OVEFANSWITCHTO ON position. The blower should begin to
operate.
 -OVEFANSWITCHTOAUTO position. The blower should stop
immediately.
Heating System
 -OVE 3934%- SWITCH TO HEAT POSITION )F THE AUXILIARY
HEATINGSYSTEMHASASTANDINGPILOTBESURETOLIGHTIT
2. Press to adjust thermostat setting to 1° above room
temperature.The Heat Pump system should begin to operate.
(OWEVERIFTHEFlame icon ( ) and Snowflake icon ( ) are
mASHINGTHECOMPRESSORLOCKOUTFEATUREISOPERATINGSEE
#ONlGURATIONMENUITEM
3. Adjust temperature setting to 4° above room temperature.
4HEAUXILIARYHEATSYSTEMSHOULDBEGINTOOPERATEANDTHE
Flame icon will be flashing.
4. Press to adjust temperature setting below room tem-
perature. The heating system should stop operating.
Emergency System
%-%2BYPASSESTHE(EAT0UMPTOUSETHEHEATSOURCEWIRED
TOTERMINAL%ONTHETHERMOSTAT%-%2ISTYPICALLYUSEDWHEN
COMPRESSOR OPERATION IS NOT DESIRED OR YOU PREFER BACKUP
heat only.
 -OVE3934%-SWITCHTO%-%2POSITION%-%2WILLmASH
on the display.
2. Press to adjust the thermostat above room temperature.
4HE!UXHEATINGSYSTEMWILLBEGINTOOPERATE4HEFlame
icon ( WILLDISPLAYmASHINGTOINDICATETHATTHE!UXSYSTEM
is operating.
3. Press to adjust the thermostat below room temperature.
4HE!UXHEATINGSYSTEMSHOULDSTOPOPERATING
CAUTION
!
To prevent compressor and/or property damage, if the
outdoor temperature is below 50°F, DO NOT operate
the cooling system.
CAUTION
!
Do not allow the compressor to run unless the
compressor oil heaters have been operational for 6
hours and the system has not been operational for at
least 5 minutes.

5
1) SelectTemporary HoldTime - The thermostat can hold any
temperature you set it to for the amount of time you select on
THISOPTION9OURCHOICESARETOHOURSINMINUTE
increments. 0:00 disables the function
%XAMPLE5SINGTHE4EMPORARY(OLD&UNCTION
 9OUHAVESELECTEDHOURSFORTHE4EMPORARY(OLD
time period.
 7ITHTHETHERMOSTATSETTO(EATOR#OOLPRESS(/,$
for five seconds (time will show 3:00 hours as a setting
reminder).
3. HOLDONTHEDISPLAYWILLBLINK2ELEASETHE(/,$BUTTON
after the temporary hold time is displayed.
4. Use or to set the temperature to your pref-
erence. The thermostat will maintain this temperature
setting for 3 hours with HOLDBLINKINGTOREMINDYOUIT
is in Temporary Hold. After 3 hours the thermostat will
GOBACKTOTHEPROGRAMTEMPERATUREANDHOLD will no
LONGERBLINKORDISPLAY
2) Select FA or SL (Fast or Slow) Heat Pump stage Cycle
Rate - The FA setting is used to produce shorter heating cy-
CLES4HE3,SETTINGPRODUCESALONGERHEATINGCOOLINGCYCLE
"OTHSETTINGSPRODUCEVERYACCURATETEMPERATURECONTROLAND
can be set to your personal preference.FA cycles the system
JUSTUNDER&ANDTHE3,SETTINGCYCLESATAPPROXIMATELY
1.2°F.
3) Select FA or SL (Fast or Slow) Auxiliary or Emergency
Cycle Rate4HE&!SETTINGISFREQUENTLYUSEDFORGASOILOR
ELECTRICHEAT4HE3,SETTINGPRODUCESALONGERHEATINGCYCLE
"OTHSETTINGSPRODUCEVERYACCURATETEMPERATURECONTROLAND
can be set to your personal preference.FA cycles the system
JUSTUNDER&ANDTHE3,SETTINGCYCLESATAPPROXIMATELY
1.°F.
4) Select backlit display 4HE DISPLAY BACKLIGHT IMPROVES
DISPLAYCONTRASTINLOWLIGHTINGCONDITIONS3ELECTINGBACKLIGHT
/.WILLKEEPTHELIGHTONCONTINUOUSLY3ELECTING/&&WILL
KEEPTHELIGHTOFF
11 Flame icon ( ISDISPLAYEDWHENTHE3934%-SWITCHIS
in the HEAT position. Flame icon ( ) is displayed flashing
WHEN NDSTAGE HEAT !UX OR %MERGENCY IS ENERGIZED
Snowflake icon ( ) is displayed (non-flashing) when the
3934%-SWITCHISINTHE#//,POSITIONSnowflake and
Flame AREDISPLAYEDmASHINGIFTHETHERMOSTATISINLOCKOUT
MODETOPREVENTTHECOMPRESSORFROMCYCLINGTOOQUICKLY
12
EMER is displayed flashing when the system switch is in
%-%2POSITION
13
Alternately displays current time and temperature.
14
The word HOLD is displayed when the thermostat is in
THE (/,$ MODE HOLD is displayed flashing when the
THERMOSTATISINATEMPORARY(/,$-ODE
15
Displays currently programmed set temperature (this is
BLANKWHEN3934%-SWITCHISINTHE/&&POSITION
16
Displays FLTR when the system has run for the programmed
lLTERTIMEPERIODASAREMINDERTOCHANGEORCLEANYOURAIR
lLTER
CONFIGURATION MENU
4HECONlGURATIONMENUALLOWSYOUTOSETCERTAINTHERMOSTATOP-
ERATINGCHARACTERISTICSTOYOURSYSTEMORPERSONALREQUIREMENTS
0RESS25.TOMAKESURETHETHERMOSTATISINTHERUNPROGRAM
MODETHENPRESS02'-AND25.ATTHESAMETIMETOENTER
THECONlGURATIONMENU4HEDISPLAYWILLSHOWTHElRSTITEMIN
THECONlGURATIONMENU
4HE CONlGURATION MENU CHART SUMMARIZES THE CONlGURATION
OPTIONS!NEXPLANATIONOFEACHOPTIONFOLLOWS
0RESS(/,$TOCHANGETOTHENEXTMENUITEMORPRESS4)-%
TOGOBACKWARDSTOTHEPREVIOUSITEMINTHEMENU4OEXITTHE
MENUANDRETURNTOTHEPROGRAMOPERATIONPRESS25.)FNOKEYS
AREPRESSEDWITHINlFTEENMINUTESTHETHERMOSTATWILLREVERTTO
normal operation.
1
Step Press Button(s) Displayed (Factory Default) Press or to select: COMMENTS
(/,$
(0:00)
0 to 8 hrs (in
15 minute increments)
2
3,
FA
3ELECTTEMPORARy Hold time
5
6
E
(on)
/&&
7
8
,/#
/&&
on
0 HI
(0)
,/TO
4 HI
(F) C
Returns to normal operation
9
11
3ELECT%NERGY-ANAGEMENT2ECOvery/&&OR/.
3ELECT#OMPRESSORLOCKOUT/&&OR/.
3ELECTTEMPERATUREDISPLAy adjustment higher or lower
3ELECTTEMPERATUREDISPLAy to F or C
RUN
PRGM
and RUN
HOLD
*
HOLD *
4
d-L
(on)
FA
(on)
/&&
3ELECTDISPLAy bacKLIGHT/&&OR/.
/&&
3ELECTFASTSECONDSTAGE/.OR/&&
HOLD *
HOLD *
Filter
(000)
0 to 1950 hours
(in 50 hour increments)
3ELECTFILTERREPLACEMENTRun time
HOLD *
HOLD *
HOLD *
10
HOLD *
3ELECTFAOR3,&ASTOR3LOw) pump cycle rate
Configuration Menu
* Press HOLD to advance to neXTITEMORTIME to move bacKWards to previous item
3
%-%2
(FA)
3, 3ELECTFAOR3,&ASTOR3LOw) AUXILIARy and
Emergency AUXHEATINGCYCLERATE
HOLD
*
OPERATION

6
WEEKDAYS
(5 Day)
SATURDAY
(1 Day)
3TART
Time Temp
3TART
Time Temp
1ST
2ND
3RD
4TH
1ST
2ND
3RD
4TH
SAMPLE
Heating/Cooling Schedule Plan (Factory Program)
Period
!-
!-
0-
0-
!-
!-
0-
0-
!-
!-
0-
0-
!-
!-
0-
0-
70°F
62°F
70°F
62°F
78°F
85°F
78°F
82°F
SUNDAY
(1 Day)
3TART
Time Temp
!-
!-
0-
0-
!-
!-
0-
0-
70°F
62°F
70°F
62°F
78°F
85°F
78°F
82°F
70°F
62°F
70°F
62°F
78°F
85°F
78°F
82°F
HEAT
COOL
WEEKDAYS
(5 Day)
SATURDAY
(1 Day)
3TART
Time Temp
3TART
Time Temp
1ST
2ND
3RD
4TH
1ST
2ND
3RD
4TH
Heating/Cooling Schedule Plan
Period
SUNDAY
(1 Day)
3TART
Time Temp
HEAT
COOL
MANUAL OPERATION
s HOLDTEMPERATURE7ITHTHE3934%-SWITCHSETTO
HEAT or COOL, MOMENTARILYPRESS(/,$BUTTONHOLD
will be displayed. Use or to adjust the tempera-
ture. The thermostat will hold the room temperature at the
selected setting until you press RUN button to start program
operation again.
s TEMPERATURE OVERRIDE — Press or until the
temperature you want is displayed.The thermostat will over-
RIDECURRENTPROGRAMMINGANDKEEPTHEROOMTEMPERATURE
ATTHESELECTEDTEMPERATUREUNTILTHENEXTPROGRAMPERIOD
begins.Then the thermostat will automatically revert to the
program.
s TEMPORARY HOLD TEMPERATURE — The thermostat
can hold any temperature within its range for the length of
TIMESELECTEDINTHECONlGURATIONMENU3EE#ONlGURATION
-ENUSECTIONSTEP
PROGRAMMING YOUR THERMOSTAT
This section will help you plan your thermostat’s program to
MEETYOURNEEDS&ORMAXIMUMCOMFORTANDEFlCIENCYKEEP
the following guidelines in mind when planning your program.
s 7HENHEATINGCOOLINGYOURBUILDINGPROGRAMTHETEMPERA-
tures to be cooler (warmer) when the building is vacant or
during periods of low activity.
s $URINGEARLYMORNINGHOURSTHENEEDFORCOOLINGISUSUALLY
minimal.
Planning Your Program
,OOK AT THE FACTORY PREPROGRAMMED TIMES AND TEMPERATURES
shown in the sample schedule. If this program will suit your
NEEDSSIMPLYPRESSTHE25.BUTTONTOBEGINRUNNINGTHEFACTORY
preset program.
If you want to change the preprogrammed times and tempera-
TURESFOLLOWTHESESTEPS
Determine the time periods and temperatures for your program.
9OUMUSTPROGRAMFOURPERIODSFOREACHDAY(OWEVERYOUMAY
use the same heating and cooling temperatures for consecutive
TIMEPERIODS9OUCANCHOOSESTARTTIMESHEATINGTEMPERATURES
OPERATION
5) Select Energy Management Recovery OFF or ON - Energy
-ANAGEMENT2ECOVERY%-2CAUSESTHETHERMOSTATTOSTART
HEATINGORCOOLINGEARLYTOMAKETHEBUILDINGTEMPERATURE
reach the program setpoint at the time you specify.
6) Select filter replacement run time - The thermostat will
display FLTR after a set time of operation.This is a reminder
TOCHANGEORCLEANYOURAIRlLTER4HISTIMECANBESETFROM
0 to 1950 hours in 50 hour increments. A selection of 000
will cancel this feature.7HENFLTRISDISPLAYEDYOUCAN
clear it by pressing HOLD and RUN at the same time. This
RESETSTHETIMERANDSTARTSCOUNTINGTHEHOURSUNTILTHENEXT
lLTERCHANGE#ONTACTYOURHEATPUMP MANUFACTURER FORA
SPECIlCREPLACEMENTMAINTENANCEINTERVAL
7) Select Compressor Lockout LOC OFF or ON3ELECTING
,/#/.WILLCAUSETHETHERMOSTATTOWAITMINUTESBEFORE
turning on the compressor if the heating and cooling system
loses power. It will also wait 5 minutes minimum between
cooling or heating cycles.This is intended to help protect the
COMPRESSORFROMSHORTCYCLING3OMENEWERCOMPRESSORS
ALREADYHAVEA TIMEDELAYBUILTINANDDONOTREQUIRETHIS
FEATURE9OUR COMPRESSOR MANUFACTURER CAN TELL YOU IF THE
LOCKOUT FEATURE IS ALREADY PRESENT IN THEIR SYSTEM 7HEN
the thermostat compressor time delay occurs it will flash the
Snowflake and FlameICONSFORABOUTlVEMINUTES
8) Select Temperature Display Adjustment 4 LO to 4 HI -
Allows you to adjust the room temperature display up to 4°
HIGHERORLOWER9OURTHERMOSTATWASACCURATELYCALIBRATED
at the factory but you have the option to change the display
temperature to match your previous thermostat.The current
or adjusted room temperature will be displayed on the right
side of the display.
9) Select F° or C° Readout - Changes the display readout to
#ELSIUSOR&AHRENHEITASREQUIRED4HECURRENTROOMTEM-
perature will be displayed on the right side of the display.
10)Select Fast second stage)NTHE25.MODEIFTHETEM-
perature is manually raised by 3°F ( 2°C) or more above
room temperature using and the fast second stage
FEATUREIS ENABLED&! ONTHESECONDSTAGEWILL ENERGIZE
IMMEDIATELY7ITH&!OFFTHESECONDSTAGEWILLNOTENERGIZE
until the setpoint temperature is 10°F or more above room
temperature.

7
ANDCOOLINGTEMPERATURESINDEPENDENTLYFOREXAMPLEYOUMAY
SELECT!-ANDASTHEWEEKDAY1st period heating
STARTTIMEANDTEMPERATUREANDALSOCHOOSE!-AND
ASTHEWEEKDAY1st period cooling start time and temperature).
Use the table to plan your program time periods and the tem-
peratures you want during each period. Fill in the complete table
to have a record of your programs.
Entering Your Program
Set Current Time and Day
 0RESS4)-%BUTTONONCE4HEDISPLAYWILLSHOWTHEHOURONLY
 %8!-0,%
0-
2. Press and hold either or until you reach the correct
HOURAND!-0-DESIGNATIONAM begins at midnight; PM
begins at noon).
 0RESS4)-%ONCEAGAIN4HEDISPLAYWINDOWWILLSHOWTHE
minutes only.
 %8!-0,%
4. Press and hold either or until you reach the correct
minutes.
 0RESS4)-%ONCEAGAIN4HEDISPLAYWILLSHOWTHEDAYOFTHE
WEEK
6. Press or UNTILYOUREACHTHECURRENTDAYOFTHEWEEK
7. Press RUN once. The display will show the correct time and
room temperature alternately.
Enter Heating Program
 -OVETHE3934%-SWITCHTOHEAT.
 0RESS02'-ONCEhMO TU WE TH FRvINDICATINGWEEKDAY
program) will appear in the display. Also displayed are the
currently programmed start time for the 1st heating period
and the currently programmed temperature (flashing).
%8!-0,%
!-
-/ TU 7% TH FR
 4HISDISPLAYWINDOWSHOWSTHATFORTHESTWEEKDAYPERIOD
THESTARTTIMEIS!-ANDISTHEPROGRAMMEDTEM-
PERATURETHISEXAMPLEREmECTSFACTORYPREPROGRAMMING
3. Press or to change the displayed temperature to
your selected temperature for the 1st heating program period.
 0RESS4)-%ONCETHEPROGRAMMEDTIMEWILLmASH0RESS
or until your selected time appears. The time will
CHANGEINMINUTEINCREMENTS7HENYOURSELECTEDTIME
ISDISPLAYEDPRESS4)-%AGAINTORETURNTOTHECHANGETEM-
perature mode.
 0RESS02'-ONCE4HECURRENTLYPROGRAMMEDSTARTTIMEAND
setpoint temperature for the 2nd heating program period will
appear.
6. Repeat steps 3 and 4 to select the start time and heating
temperature for the 2nd heating program period.
▲
7. Repeat steps 3 through 5 for the 3rd and 4th heating program
periods.
 0RESS02'-ONCEhSAvINDICATING3ATURDAYPROGRAMWILL
APPEARINTHEDISPLAYALONGWITHTHESTARTTIMEFORTHEST
heating period and the currently programmed temperature.
 2EPEAT STEPS  THROUGH  TO COMPLETE 3ATURDAY HEATING
programming.
 0RESS02'-ONCETOCHANGETOSU3UNDAYHEATINGPRO-
GRAMMINGANDREPEATSTEPSTHROUGHTOCOMPLETE3UNDAY
programming.
7HENYOUHAVECOMPLETEDENTERINGYOURHEATINGPROGRAM
press RUN.
Enter Cooling Program
CAUTION
!
If the outside temperature is below 50°F, disconnect
power to the cooling system before programming.
Energizing the air conditioner compressor during cold
weather may cause personal injury or property damage.
 -OVE3934%-SWITCHTOCOOL position.
2. Follow Enter Heating Program for entering your cooling
PROGRAMUSINGYOURSELECTEDCOOLINGTIMESANDTEMPERATURES
CHECK YOUR PROGRAMMING
&OLLOWTHESESTEPSTOCHECKYOURTHERMOSTATPROGRAMMINGONE
lNALTIMEBEFOREBEGINNINGTHERMOSTATOPERATION
 -OVE3934%-SWITCHTOHEAT position.
 0RESS02'-TOVIEWTHESTWEEKDAYHEATINGPERIODTIMEAND
TEMPERATURE%ACHTIMEYOUPRESS02'-THENEXTHEATING
PERIODTIMEANDTEMPERATUREWILLBEDISPLAYEDINSEQUENCEFOR
WEEKDAYTHEN3ATURDAYAND3UNDAYPROGRAMPERIODSYOU
may change any time or temperature during this procedure).
3. Press RUN.
 -OVE3934%-SWITCHTOCOOL position.
 2EPEATSTEPTOCHECKCOOLINGPROGRAM
 -OVE3934%-SWITCHTOHEAT or COOL and press RUN to
begin program operation.
NOTE"ATTERIES ARENOTREQUIRED TOKEEPYOURPROGRAMMING
ORMENUDATA7ITHTWOOPTIONALh!!vBATTERIESINSTALLEDYOUR
thermostat will maintain time and continuously display the tem-
perature during a loss of AC power. Installed batteries will also
allow programming prior to installation.
YOUR THERMOSTAT IS NOW PROGRAMMED AND READY TO
PROVIDE MAXIMUM COMFORT AND EFFICIENCY!
OPERATION

TROUBLESHOOTING
Reset Operation
)FAVOLTAGESPIKEORSTATICDISCHARGEBLANKSOUTTHEDISPLAYOR
CAUSESERRATICTHERMOSTATOPERATIONRESETTHETHERMOSTATBY
pressing  AND4)-%ATTHESAMETIME)FTHETHERMOSTAT
HASPOWERHASBEENRESETANDSTILLDOESNOTFUNCTIONCORRECTLY
contact your heating/cooling service person or place of purchase.
Symptom Possible Cause Corrective Action
No Heat/No Cool/No Fan
(common problems) "LOWNFUSEORTRIPPEDCIRCUITBREAKER
&URNACEPOWERSWITCHTO/&&
3. Furnace blower compartment door or panel
loose or not properly installed.
2EPLACEFUSEORRESETBREAKER
4URNSWITCHTO/.
Replace door panel in proper position to engage safety inter-
LOCKORDOORSWITCH
No Heat 3YSTEM3WITCHNOTSETTO(EAT
2. Loose connection to thermostat or system.
(EATING3YSTEMREQUIRESSERVICEORTHERMO-
STATREQUIRESREPLACEMENT
3ET3YSTEM3WITCHTO(EATANDRAISESETPOINTABOVEROOM
temperature.
Verify thermostat and system wires are securely attached.
$IAGNOSTIC3ET3YSTEM3WITCHTO(EATANDRAISETHESETPOINT
ABOVEROOMTEMPERATURE7ITHINAlVEMINUTESTHETHERMOSTAT
SHOULDMAKEASOFTCLICKSOUND4HISSOUNDUSUALLYINDICATES
the thermostat is operating properly. If the thermostat does
NOTCLICKTRYTHERESETOPERATIONLISTEDABOVE)FTHETHERMOSTAT
DOESNOTCLICKAFTERBEINGRESETCONTACTYOURHEATINGAND
cooling service person or place of purchase for a replace-
MENT)FTHETHERMOSTATCLICKSCONTACTTHEFURNACEMANU-
facturer or a service person to verify the heating system is
operating correctly.
No Cool 3YSTEM3WITCHNOTSETTO#OOL
2. Loose connection to thermostat or system.
#OOLING3YSTEMREQUIRESSERVICEORTHERMO-
STATREQUIRESREPLACEMENT
3ET3YSTEM3WITCHTO#OOLANDLOWERSETPOINTBELOWROOM
temperature.
Verify thermostat and system wires are securely attached.
3AMEPROCEDUREASDIAGNOSTICFOR.O(EATCONDITIONEXCEPT
set the thermostat to Cool and lower the setpoint below the
ROOMTEMPERATURE4HEREMAYBEUPTOAlVEMINUTEDELAY
BEFORETHETHERMOSTATCLICKSIN#OOLINGIFTHECOMPRESSORLOCK
OUTOPTIONISSELECTEDINTHECONlGURATIONMENU)TEM
Heat, Cool or Fan Runs Constantly. 1. Possible short in wiring.
2. Possible short in thermostat.
3. Possible short in Heat/Cool/Fan system.
&AN3WITCHSETTO&AN/N
#HECKEACHWIRECONNECTIONTOVERIFYTHEYARENOTSHORTEDOR
TOUCHINGTOGETHER.OBAREWIRESHOULDSTICKOUTFROMUNDER
terminal screws. Try resetting the thermostat as described
BELOW)FTHECONDITIONPERSISTSTHEMANUFACTUREROFYOUR
system or service person can instruct you on how to test
the Heat/Cool system for correct operation. If the system
OPERATESCORRECTLYREPLACETHETHERMOSTAT
Furnace Cycles Too Fast or Too Slow
(narrow or wide temperature swing) 1. The location of the thermostat and/or the size
OFTHE(EATING3YSTEMMAYBEINmUENCINGTHE
cycle rate.
)TEMINTHE#ONlGURATION-ENUISTHEADJUSTMENTTHAT
controls the cycle rate. If an acceptable cycle rate is not
ACHIEVEDUSINGTHE&!&ASTOR3,3LOWADJUSTMENTCONTACT
a local service person for additional suggestions.
Cooling Cycles Too Fast or Too Slow
(narrow or wide temperature swing) 1. The location of the thermostat and/or the size
OFTHE#OOLING3YSTEMMAYBEINmUENCINGTHE
cycle rate.
4HECYCLERATEFORCOOLINGISlXEDANDCANNOTBEADJUSTED
Contact a local service person for suggestions.
Thermostat Setting and Thermometer
Disagree 4HERMOSTATTHERMOMETERSETTINGREQUIRES
adjustment.
The thermometer can be adjusted +/- 4 degrees as listed
INITEMOFTHE#ONlGURATION-ENU.OOTHERADJUSTMENTIS
possible.
Clock Loses or Gains Time 1. Loss of power to thermostat. The thermostat will maintain its program in memory even with
NOPOWERBUTTHECLOCKTIMEWILLBEINCORRECTWHENPOWERIS
RESTORED3EE.O(EAT.O#OOL.O&ANCOMMONPROBLEMS
ABOVEFORITEMSTOCHECKINTHESYSTEM
Heat or Cool Starts Early %-2ACTIVATED 3EE#ONlGURATION-ENU)TEM
Thermostat Does Not Follow
Program !-OR0-SETINCORRECTLYINPROGRAM
!-OR0-SETINCORRECTLYONTHECLOCK
6OLTAGESPIKEORSTATICDISCHARGE
#HECKCURRENTCLOCKANDPROGRAMSETTINGSINCLUDINGTHE!-
OR0-DESIGNATIONSFOREACHTIMEPERIOD)FAVOLTAGESPIKEOR
STATICDISCHARGEOCCURSUSETHE2ESET/PERATIONLISTEDABOVE
Blank Display and/or Keypad Not
Responding 6OLTAGE3PIKEOR3TATIC$ISCHARGE )FAVOLTAGESPIKEORSTATICDISCHARGEOCCURSUSETHE2ESET
/PERATIONLISTEDABOVE
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