Daikin 668811201 User Manual

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

Daikin 668811201 Specifications

General

Model Number	668811201
Brand	Daikin
Display	LCD
Power Supply	24VAC
Communication	Wired
Compatibility	Daikin systems
Temperature Setting Resolution	1°F or 0.5°C

Summary

Package Contents and Tools Required

Wiring Diagrams

Heating Only Wiring Diagrams

Diagrams for heating-only systems with single transformer.

Heating/Cooling Wiring Diagrams

Diagrams for heating/cooling systems with single transformer.

Cooling Only Wiring Diagrams

Diagrams for cooling-only systems with single transformer.

Configuration Mode

Configuration Mode Settings

Detailed settings for thermostat configuration.

Parts Diagram

Icon Descriptions

Specifications

Removing the Existing Thermostat

Installing the Thermostat

Optional Remote or Outdoor Sensor Installation

Configuration Mode Settings

Temperature Scale Setting

Select Fahrenheit or Celsius for temperature display.

Temperature Differential Setting

Set the temperature difference for system activation.

Deadband Setting

Set minimum difference between heat and cool setpoints.

System Type Configuration

Configure heat pump, non-heat pump, and compressor stages.

Lockout Setting

Set temperature adjustment limits during keypad lockout.

Maximum Heat Setpoint Setting

Control the maximum allowable heat set temperature.

Minimum Cool Setpoint Setting

Control the minimum allowable cool set temperature.

Room Temperature Offset Setting

Calibrate displayed room temperature to actual temperature.

Maximum Cycles Per Hour Setting

Set the maximum number of system cycles per hour.

Temperature Sensor Setting

Select sensor source: on-board, remote, or average.

Cooling Fan Delay Off Time Setting

Set fan purge time for cooling operation.

Status Indicator Light Setting

Configure the status indicator light behavior.

Operating Modes

OFF Mode Operation

Thermostat is inactive; no heating or cooling devices operate.

Heat Mode Operation

Thermostat controls the heating system.

Cool Mode Operation

Thermostat controls the cooling system.

Auto Changeover Mode Operation

Thermostat automatically switches between heating and cooling.

SimpleSet Field Programming

Mode of Operation Overview

Testing Thermostat Operation

Heat Test Procedure

Verify heating system responds correctly to setpoint changes.

Cool Test Procedure

Verify cooling system responds correctly to setpoint changes.

Fan Test Procedure

Verify the indoor fan operates correctly.

Troubleshooting

Troubleshooting Symptoms and Remedies

Lists common issues and their solutions.

Lockout Feature