manuals.online logo
Brands
  1. Home
  2. •
  3. Brands
  4. •
  5. Daikin
  6. •
  7. Thermostat
  8. •
  9. Daikin 668811201 General instructions

Daikin 668811201 General instructions

1.Turnoffpowertotheheatingandcoolingsystembyremovingthefuseorswitchingtheappropriate
circuitbreakeroff.
2.Removecoverofoldthermostat.Thisshouldexposethewires.
3.Labeltheexistingwireswiththeenclosedwirelabelsbeforeremovingwires.
4.Afterlabelingwires,removewiresfromwireterminals.
5.Removeexistingthermostatbasefromwall.
6.Refertothefollowingsectionforinstructionsonhowtoinstallthisthermostat.
To Remove Existing Thermostat
WARNING
ELECTRICAL SHOCK HAZARD – Turn off power at the main service panel by removing the fuse or
switching the appropriate circuit breaker to the OFF position before removing the existing thermostat.
Important Safety Information
• Thisthermostatisfor24VACapplicationsonly;donotuseonvoltagesover30VAC
• Donotshortacrossterminalsofgasvalveorsystemcontroltotestoperation;thiswilldamageyour
thermostatandvoidyourwarranty
• Allwiringmustconformtolocalandnationalelectricalandbuildingcodes
• Donotuseairconditioningwhentheoutdoortemperatureisbelow50degrees;thiscandamage
yourA/Csystemandcausepersonalinjuries
• Usethisthermostatonlyasdescribedinthismanual
WARNING
Always turn off power at the main power supply before installing, cleaning, or removing thermostat.
Congurationswitch
Resetswitch
Left(system)
button
Right(fan)
button
Downbutton
Upbutton
Fieldprogrammingpins
RC/RHJumper
Fanswitch
Parts Diagram
Icon Descriptions
Fanoperationicon
Coolingoperationicon
Heatingoperationicon
Specifications
Electrical rating: • 24VAC(18-30VAC)
 • 1ampmaximumperterminal
 • 3ampmaximumtotalload
Temperature control range: 45°Fto90°F(7°Cto32°C)Accuracy:±1°F(±0.5°C)
System congurations:1-stageheat,1-stagecool,heatpump,gas,oil,electric
Timing:
Anti-shortCycle:
4minutes
 BacklightOperation
Terminations:S1,S2,Y,W/O/B,G2,G1,RC,RH,C
Package Contents/Tools Required
Package includes: Daikin 668811101 programmable thermostat and Operation and Application
Guide.
Wiring Diagrams
Hardwired
5-Wire, Single Transformer
WARNING
Be sure exposed portion of wires does not touch other wires.
To Install Thermostat
WARNING
ELECTRICAL SHOCK HAZARD – Turn off power at the main service panel by removing the fuse or
switching the appropriate circuit breaker to the OFF position before removing the existing thermostat.
IMPORTANT: Thermostat installation must conform to local and national building and electrical
codes and ordinances.
 Note:Mount the thermostat about ve feet above the oor. Do not mount the thermostat on an
outside wall, in direct sunlight, behind a door, or in an area affected by a vent or duct.
1. Turnoffpowertotheheatingandcoolingsystembyremovingthefuseorswitchingthe
appropriatecircuitbreakeroff.
2. Toremovecover,pullgentlyattheseamatthetop.
3. Putthermostatbaseagainstthewallwhereyouplantomountit(Besurewireswillfeedthrough
thewireopeninginthebaseofthethermostat).
4. Marktheplacementofthemountingholes.
5. Setthermostatbaseandcoverawayfromworkingarea.
6. Usinga3/16”drillbit,drillholesintheplacesyouhavemarkedformounting.
7. Useahammertotapsuppliedanchorsinmountingholes.
8. Alignthermostatbasewithmountingholesandfeedthecontrolwiresthroughslitinthermal
intrusionbarrierandintowireopening.
9. Usesuppliedscrewstomountthermostatbasetowall.
10.For2transformersystems,removeanddiscardRC/RHjumper.
11.Insertstripped,labeledwiresinmatchingwireterminals.
12.Gentlytugwiretobesureofproperconnection.Doublecheckthateachwireisconnectedtothe
properterminal.
13.Turnonpowertothesystematthemainservicepanel.
14.Congurethermostattomatchthetypeofsystemyouhave.
15.Replacecoveronthermostatbysnappingitinplace.
16.Testthermostatoperationasdescribedin“TestingtheThermostat”.
Configuration Mode
OFF
1. VerifythethermostatisintheOFFmode.
 PresstheSYS(left)buttonuntiloffmodedisplays.
2. Removethecoverofthethermostatbygentlypullingnearoneofthe
cornersatthetopofthethermostat.
Presstheupordownbuttontochangesettingswithineachscreen.
Down
button
Up
button
Toexitcongurationmode,presstheCONFIGswitchfor1second.
Presstherightbuttontoadvancetothenextscreen.
Note:Pressing the
left
button will return you to the previous screen. Left
button
Right
button
ThecongurationmodeisusedtosettheDaikinthermostattomatchyourheating/coolingsystem.
Thisthermostatfunctionswithheatpump,airconditioning,gas,oilorelectricheatsystems.
Tocongurethethermostat,performthefollowingsteps:
3. PresstheCONFIGbuttonfor1secondwhilethethermostatisinOFF
mode.
S1 S2 Y W
O/B G RC RH C
RESET CONFIG
RC
RH
FP
CONFIG
Hardwired
5 or 6-Wire, Single Transformer
Hardwired
5-Wire, Single Transformer
Configuration Mode Settings
2.Temperature Differential (1°Fto5°F)(0.5°Cto2.5°C)
Setthenumberofdegreesbetweenyour“setpoint”temperatureandyour
“turnon”temperature.
 Presstheupordownbuttontosetdifferentialvalue.
 Presstheright buttontoadvancetothenextscreen.
ThesetupscreensforCongurationModeareasfollows:
1.Temperature Scale (ForC)
ChooseFahrenheitorCelsius.
 Presstheupordownbuttontoselect.
 Pressthe
right
buttontoadvancetothenextscreen.
3.Deadband (1°F-9°F)(1°C-5°C)
Settheminimumnumberofdegreesbetweenyourheatsetpointandyour
coolsetpointinAutochangeovermode.
 Presstheupordownbuttontosetdeadbandvalue.
 Presstherightbuttontoadvancetothenextscreen.
Choose System
Reversing Valve
Active
Number of Compressors
or Compressor Stages
Type of
Heat
Heat Pump HP O 1
HP b 1
Non-Heat
Pump
Heat Gas
Heat Electric
Presstheupordownbuttontoselect.
Presstherightbuttontoadvancetothenextscreen.
4. System –Setforheatpump,non-heatpump,reversingvalveoperationandnumberof
compressorsinyoursystem.
5. Lockout (0-8°,COOL-HEAT)
Selectthenumberofdegreessettemperaturecanbechangedduring
keypadlockout.COOL-HEATlockoutallowsadjustmentoftheset
temperaturestothemaximumheatsettemperatureselectedinStep6and
minimumcoolsettemperatureselectedinStep7.
 Note:The mode cannot be changed when the thermostat is locked.
 Presstheupordownbuttontoselect.
 Presstherightbuttontoadvancetothenextscreen.
6. Maximum Heat Setpoint(45°Fto90°F)(7°Cto32°C)
 Adjusttocontrolthemaximumheatsettemperatureallowed.
 Presstheupordownbuttontoselect.
 Presstherightbuttontoadvancetothenextscreen.
Daikin P/N (668811201)
Installation, Operation & Application Guide
Version B: 10-15-13
Non-Programmable Electronic Thermostat
• Configurable
• Single-Stage Heat/Cool Systems
• Single-Stage Heat Pump Systems
• Two Speed Fan Control
• Large Display With Backlight
• Selectable Fahrenheit or Celsius
• Compatible with Gas, Oil, or Electric
• SimpleSet™ Field Programming
• Status Indicator Light
• Relay Outputs (minimum voltage drop in thermostat)
• Remote Sensor Compatible
• Ideally Suited for:
– Residential (New Construction/Replacement)
– Light Commercial
1 Heat/1 Cool, Auto Changeover, Fan Speed Control, Hardwire
Remote or Outdoor Sensor Installation (Optional)
1. Removecoverfromremotesensorhousing.RequiredDaikin
RemoteSensorPartNo.667720401
2. Selectanappropriatelocationformountingtheremote
sensor.
3. Mountremotesensorunitusinghardwareprovided.
4. Installtwostrandshieldedwirebetweenremotesensorand
thermostat.Shieldedwiremustbeused.Do notrunremote
sensorwireinconduitwithotherwires.
 • Wire 1shouldrunbetweentheS1terminalonthe
thermostatandtheS1terminalontheremotesensor
 • Wire 2shouldrunbetweentheS2terminalonthethermostatandtheS2terminalontheremotesensor
 • ConnecttheshieldingofthewiretotheS2terminalonthethermostat
5. Congurethethermostattooperatewiththeremotesensor(seeCongurationModesetting10).
 Note:Remote or outdoor sensor reading can be displayed by simultaneously pressing the
Down and SYS buttons.
Remote Sensor
SimpleSetTM Field Programming
Thisfeatureisusedfortransferringthecongurationfromthemastertothetargetthermostat.All
thermostatsforajobcanbemountedandpoweredup.Congureonethermostat.Thiswillbethe
master.Themasterwillbeusedtocopythecongurationtotherestofthethermostats.
Preparing the master to Send:
1. Themastermustbepoweredwith24VAC.
2. VerifythemasterthermostatisinOFFmode.
3. PressSYS(left)buttonuntilOFFmodedisplays.
4. Removecoverofthemasterthermostatbygentlypullingnearoneofthe
cornersatthetopofthethermostat.
5. PresstheupanddownbuttonsandCONFIGswitchsimultaneouslyfor5
seconds.
6. TheOUTscreendisplaysindicatingthemasterthermostatisreadyto
transferdata.
 Note:PresstheupanddownbuttonsandCONFIGswitchsimultaneouslyfor
5secondstoexitfromdatatransfermodeandtoreturnthemasterto
theOFFmode.
7. Turnoffpowertothemasterandremoveitfromthewall.
8. Connectthemastertothetargetusingthe3wireconnector.Attachone
endtotheMaster’sFPpinsandtheotherendtotheTarget’sFPpins.
 Note:Target thermostat must be powered with 24 VAC for eld programming
to occur.
Whentheconnectionhasbeenmadecorrectly,themasterthermostatwillpowerupandthetargetwill
countfrom5downto1.ItwillthendisplaytheLOCKconrmingthedatahasbeensavedinmemory.
Whenalltargetthermostatshavebeencompleted,reinstallthemasterthermostat.
PresstheupanddownbuttonsandtheCONFIGswitchsimultaneouslyfor5secondstoexitfrom
thedatatransfermodeandtoreturnthemasterthermostattotheOFFmode.
OFF
Requires SimpleSetTM Transfer Cable (668817901)
Daikin Training and Development
Now that you have made an investment in modern, efficient Daikin equipment, its care should be a high priority. For
training information on all Daikin HVAC products, please visit us at www.DaikinApplied.com and click on Training,
or call 540-248-9646 and ask for the Training Department.
Warranty
All Daikin equipment is sold pursuant to its standard terms and conditions of sale, including Limited Product
Warranty. Consult your local Daikin Representative for warranty details. Refer to Form 933-430285Y. To find your
local Daikin Representative, go to www.DaikinApplied.com.
Aftermarket Services
To find your local parts office, visit www.DaikinApplied.com or call 800-37PARTS (800-377-2787). To find your
local service office, visit www.DaikinApplied.com or call 800-432-1342. This document contains the most current
product information as of this printing. For the most up-to-date product information, please go to
www.DaikinApplied.com.
Products manufactured in an ISO certified facility.
LIAF014-110-15-13
Lockout Feature
TheDaikinthermostathasabuttonlockoutfeaturesothemodecannotbe
changedandthetemperatureadjustmentislimited.Selecttheappropriate
lockoutfromCongurationModeSettings(Step5)ofthisguide.
ToactivatetheLOCKfeature:
1. SimultaneouslypresstheSYS,FANandUPbuttonsfor10seconds.
2. willdisplayandthelockoutfunctionwillbeenabled.
TodeactivatetheLOCKfeature,repeatsteps1and2above.
Operating Modes
TherearefourpossibleoperatingmodesfortheDaikinthermostat.Off,Cool,Heat,andCool&Heat
modesareaccessedbypressingtheSYS(left)button.Programmodeisaccessedbypressingthe
SYS(left)andFAN(right)buttonssimultaneously.
Cool Mode
 • Inthismode,thethermostatcontrolsthecoolingsystem.Whenthe
coolingoutputs,thesnowakeicon apprearsonthedisplay.
Note:There is a four minute delay for your compressor to restart after
it has turned off.
OFF Mode
 • Inthismode,thethermostatwillnotturnontheheatingorcoolingdevices
Note:The indoor fan can be turned on manually in every operating
mode by pressing the FAN (right) button. The word FAN
shows on the display and the fan icon appears when the fan
operates.
Cool and Heat Mode (Auto Changeover)
 • Inthismode,thethermostatcontrolsthecoolingandheatingsystems,
automaticallychangingoverfromonetotheotherasneeded.
 • Thetimingdisplayalternateswiththesettemperatureevery10seconds
inthecoolandheatmode.
Heat Mode
 • Inthismode,thethermostatcontrolstheheatingsystem.Whentheheat
outputs,theameicon apprearsonthedisplay.
Note:For heat pumps, there is a four minute delay for your
compressor to restart after it has turned off.
Testing the Thermostat
Oncethethermostatiscongured,itshouldbethoroughlytested.
Heat Test
1. PressSYS(left)buttonuntilheatmodeisdisplayed.
2. Adjustthesettemperaturesoitis5degreesabovetheroomtemperature.
3. Heatshouldcomeonwithinafewseconds.RedLEDmayturnon.
4. Adjustthesettemperature2degreesbelowtheroomtemperatureandthe
heatshouldturnoff.Theremaybeafandelayonyoursystem.
 Note:
Forheatpumps,thereisafour-minutedelaytoprotectyourcompressorafteritturnsoff.
Tobypassthecompressortimedelay,gotoOFFmodefor5seconds.
Cool Test
1. PressSYS(left)buttonuntilcoolmodeisdisplayed.
2. Adjustsettemperaturesoitis5degreesbelowroomtemperature.
3. A/Cshouldcomeonwithinafewseconds.GreenLEDmayturnON.
4. Adjustthesettemperature2degreesabovetheroomtemperatureand
theA/Cshouldturnoff.Theremaybeafandelayonyoursystem.
 Note:
Thereisafour-minutetimedelaytoprotectthecompressorafteritturnsoff.To
bypassthecompressortimedelay,gotoOFFmodefor5seconds.
Fan Test
1. PressFAN(right)button.Fandisplays.IndoorfanturnsON.
2. PressFAN(right)button.IndoorfanturnsOFF.
CAUTION
Donotenergizetheairconditioningsystemwhentheoutdoortemperatureisbelow50degrees.
Itcanresultinequipmentdamageorpersonalinjury.
Mode of Operation
TheDaikinthermostatisanautochangeover,single-stageheat,single-stagecoolthermostat.It
functionswithairconditioning,heatpumps,gas,oilorelectricheatsystems.
Thethermostatactivatestheheatingappliancewhentheroomtemperatureisbelowthesetheat
temperature(bythedifferentialtemperature)andtheredindicatorlight(congurable)onthe
thermostatwilllight.Thethermostatwillstopoutputtingandtheredlightwillturnoffwhenthecallfor
heathasbeensatised.Withheatpumps,thethermostatwillnotletthecompressorcomeonfor4
minutesafteritturnsoff.Thisprotectsyourcompressor.
Whentheroomtemperatureisgreaterthanthesetcooltemperature(bythedifferentialtemperature),
thecoolingdeviceisactivatedandthegreenindicatorlight(congurable)onthethermostatwill
turnon.Thethermostatwillstopoutputtingandthegreenlightwillturnoffwhenthecallforcooling
issatised.Thethermostatwillnotletthecompressorcomeonfor4minutesafteritturnsoff.This
protectsyourcompressor.
Thethermostathasfourpossibleoperatingmodes:OFF,Heat,Cool,andHeat & Coolmode.Inoff
mode,thethermostatwillnotturnonheatingorcoolingdevices.The manual fan can be turned on in
all operating modes using the fan switch and the fan speed can be set in all operating modes using
the fan speed switch.Inheatmode,thethermostatcontrolstheheatingsystem.Inthecoolmode,the
thermostatcontrolsthecoolingsystem.Inheat&coolmode,thethermostatcontrolsboththeheating
andcoolingsystems.Theclockdisplayalternateswiththesettemperaturedisplayforheat&cool
mode.
Thethermostatalsohasabuttonlockoutfeature.Thisenablesthethermostattobesettotheproper
modeandtemperatureandlockedsoitcannotbetamperedwith.
12.Status Indicator Light(Led0or1)
 0=Statusindicatorneveron
 1=Statusindicatoronwithrststage
 Presstheupordownbuttontoselect.
 PresstheCONFIGbuttonfor2secondstoexitconguration.
OFF
11. Cooling Fan Delay Off Time(0,30,60,90seconds)
 Selectthefanpurgetimeforcooling.
 Presstheupordownbuttontoselect.
 Presstherightbuttontoadvancetothenextscreen.
10.Temperature Sensor(1-3)
 1.Onlyon-boardsensordeterminesroomtemperature.
 2.Onlyremotesensordeterminesroomtemperature.
 3.Averagetemperatureofon-boardandremotesensor.
 Presstheupordownbuttontoselect.
 Presstherightbuttontoadvancetothenextscreen.
9. Maximum Cycles Allowed Per Hour(--,2-6)
 --=asmanyasneeded,2-6=maximumcycles/hour
 Presstheupordownbuttontoselect.
 Presstherightbuttontoadvancetothenextscreen.
7. Minimum Cool Setpoint(45°Fto90°F)(7°Cto32°C)
 Adjusttocontroltheminimumcoolsettemperatureallowed.
 Presstheupordownbuttontoselect.
 Presstherightbuttontoadvancetothenextscreen.
8. Room Temperature Offset(+9°Fto-9°F)(+4.5°Cto-4.5°C)
 Adjusttocalibratedisplayedroomtemperaturetomatchactualroom
temperature.
 Note:When not set to 0, will display.
 Presstheupordownbuttontoselect.
 Presstherightbuttontoadvancetothenextscreen.
Troubleshooting
Symptom Remedy
Nodisplay Checkfor24VACatthermostat;displayisblankwhen24
VACisnotpresent
Systemfandoesnotcomeonproperly Verifywiringiscorrect,checkGas/ElectricConguration
(seeSetting)
Allthermostatbuttonsareinoperative Verify24VACispresent;unitlocksoutwhen24VACis
notpresent
Noresponsewithrstbuttonpress Firstbuttonpressactivatesbacklightonly
Thermostatturnsonandofftoo
frequently
Adjusttemperaturedifferential(seeCongurationMode
Setting2)
Fanrunscontinuously PressFAN(right)buttontoturnfanoff
Statusindicatorlightnotonduringcall Turnstatusindicatorfunctionon(seeCongurationMode
Setting12)
Roomtemperatureisnotcorrect Calibratethermostat(seeCongurationModeSetting8)
Ifremotesensorisused,checkS1andS2terminal
connections
displayswhenanybuttonis
pressed
Thermostathasthebuttonlockoutfunctionactivated(see
LockoutFeatureandCongurationModeSetting5)
ondisplayinsteadofroomtemp. CheckforabadconnectionatS1andS2terminals,if
used(seeCongurationModeSetting10)
HeatorCoolnotcomingon Verifywiringiscorrect,verifyRC/RHjumperisinplace
(forsingletransformersystem)
Remoteoroutdoorsensornotaccurate PressSYSandDownbuttonssimultaneouslytodisplay
remoteoroutdoortemperature.VerifyconnectionsatS1
andS2terminals.
Problemnotlistedabove PressResetbuttononce*
* Reset Button Function:
Timeanddayarereset,congurationsettingsareunchanged.
FPpins
S1 S2 R C W
O/B GY1W2 W3Y2
RESET CONFIG
FP

Other Daikin Thermostat manuals

Daikin DT4273C Troubleshooting guide

Daikin

Daikin DT4273C Troubleshooting guide

Daikin EKRTWA User manual

Daikin

Daikin EKRTWA User manual

Daikin Altherma EKRUDAS User guide

Daikin

Daikin Altherma EKRUDAS User guide

Daikin ESFV06A6 User manual

Daikin

Daikin ESFV06A6 User manual

Daikin 910193131 User manual

Daikin

Daikin 910193131 User manual

Daikin DZK-MTS-3 User manual

Daikin

Daikin DZK-MTS-3 User manual

Daikin One+ User manual

Daikin

Daikin One+ User manual

Daikin 910121750 Owner's manual

Daikin

Daikin 910121750 Owner's manual

Daikin MT 168 Manual

Daikin

Daikin MT 168 Manual

Daikin EKRTWA User manual

Daikin

Daikin EKRTWA User manual

Daikin 668375401 General instructions

Daikin

Daikin 668375401 General instructions

Daikin homecontrols EKRRVATU1BA User manual

Daikin

Daikin homecontrols EKRRVATU1BA User manual

Daikin BACnet IM 1234-1 Manual

Daikin

Daikin BACnet IM 1234-1 Manual

Daikin Home Controls EKRRVATR2BA Product information sheet

Daikin

Daikin Home Controls EKRRVATR2BA Product information sheet

Daikin D2270C Original instructions

Daikin

Daikin D2270C Original instructions

Daikin MT 180 Manual

Daikin

Daikin MT 180 Manual

Daikin TSTATD2152-2 User manual

Daikin

Daikin TSTATD2152-2 User manual

Daikin DT4272 Troubleshooting guide

Daikin

Daikin DT4272 Troubleshooting guide

Daikin MTB 158 Manual

Daikin

Daikin MTB 158 Manual

Daikin EKRTW User manual

Daikin

Daikin EKRTW User manual

Daikin One+ Guide

Daikin

Daikin One+ Guide

Daikin EKRCTRDI3BA User guide

Daikin

Daikin EKRCTRDI3BA User guide

Daikin One+ Assembly instructions

Daikin

Daikin One+ Assembly instructions

Daikin homecontrols EKRCTRDI2BA User guide

Daikin

Daikin homecontrols EKRCTRDI2BA User guide

Popular Thermostat manuals by other brands

Lux Products T10-1141SA Installation and operating instructions

Lux Products

Lux Products T10-1141SA Installation and operating instructions

Heatcom HEATMYHOME HMH200 user guide

Heatcom

Heatcom HEATMYHOME HMH200 user guide

Salus RT200 instruction manual

Salus

Salus RT200 instruction manual

DEVI VUGDB202 user guide

DEVI

DEVI VUGDB202 user guide

Shenzhen Myuet Energy Saving Equipment ME83 manual

Shenzhen Myuet Energy Saving Equipment

Shenzhen Myuet Energy Saving Equipment ME83 manual

Honeywell FocusPRO TH6220D owner's manual

Honeywell

Honeywell FocusPRO TH6220D owner's manual

Airzone AZX6CSMASTER Series Installation and user manual

Airzone

Airzone AZX6CSMASTER Series Installation and user manual

Vive TP-N-801 installation manual

Vive

Vive TP-N-801 installation manual

Honeywell T8611 owner's guide

Honeywell

Honeywell T8611 owner's guide

DigiTrace RAYSTAT-EX-02 installation instructions

DigiTrace

DigiTrace RAYSTAT-EX-02 installation instructions

Novus N322 Operator's manual

Novus

Novus N322 Operator's manual

Geca Simply manual

Geca

Geca Simply manual

Lux Products PSP711TS Series Installation and operating instructions

Lux Products

Lux Products PSP711TS Series Installation and operating instructions

Bosch Room thermostat II 230 V Quick instructions

Bosch

Bosch Room thermostat II 230 V Quick instructions

LEGRAND Pass & Seymour WZ3TSTATH installation manual

LEGRAND

LEGRAND Pass & Seymour WZ3TSTATH installation manual

Center EHE0200155 installation guide

Center

Center EHE0200155 installation guide

TUYA HY369 user manual

TUYA

TUYA HY369 user manual

Honeywell ZSTAT Programming instructions

Honeywell

Honeywell ZSTAT Programming instructions

manuals.online logo
manuals.online logoBrands
  • About & Mission
  • Contact us
  • Privacy Policy
  • Terms and Conditions

Copyright 2025 Manuals.Online. All Rights Reserved.