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Daikin 910121746 Installation, Operation & Application Manual

Download Installation, operation & application manual of Daikin 910121746 Thermostat for Free or View it Online on All-Guides.com.

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Specifications

Electrical rating: • 24VAC(18-30VAC)

 • 1ampmaximumperterminal

 • 3ampmaximumtotalload

Temperature control range: 55°Fto90°F(13°Cto32°C)Accuracy:±1°F(±0.5°C)

System congurations:2-stageheat,2-stagecool

Timing:Anti-shortCycle:4minutes(bypassanti-shortcycledelaybyreturningtoOFFmodefor5seconds)

 BacklightOperation:10seconds

Terminations:A,L,S1,S2,R,C,W1,Y1,W2,Y2,G,O

Package Contents/Tools Required

Package includes:910121746thermostatonbase,thermostatcover,wiringlabels,screwsandwallanchors,

Installation,OperationandApplicationGuide

Tools required for installation:Drillwith3/16”bit,hammer,screwdriver

Important Safety Information

WARNING!

:

Always turn off power at the main power supply before installing, cleaning, or removing

thermostat.

• Thisthermostatisfor24VACapplicationsonly;donotuseonvoltagesover30VAC

• 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

Icon Descriptions

Coolingoperationicon

Fanoperationicon

Heatingoperationicon

Roomtemperature

offsetactivated

Parts Diagram

Conguration

switch

Resetswitch

Right(fan)button

Downbutton

Upbutton

S1 S2 R C GY1 W2 Y2

RESET CONFIG

To Remove Existing Thermostat

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.

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 Install Thermostat

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.

TerminalsS1andS2canbeusedforanindoorremotesensor.

Theindoorremotesensorisusedtoreadtheindoortemperature

inadifferentlocation.Thisisbenecialwhenthethermostatisnot

mountedintheideallocation.TheremotesensorP/Nis910116773.

1. Removecoverfromremotesensorhousing.

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isrecommended.

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indoorsensor(seeCongurationModesetting9).

Remote Sensor Installation (Optional)

Note: Remote or outdoor sensor reading can be

displayed by simultaneously pressing the

Down and SYS buttons.

Remote Sensor:

(Contact Daikin for optional remote sensor.)

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.Insertstripped,labeledwiresinmatchingwireterminals.



CAUTION!

:Be sure exposed portion of wires does not touch other wires.

11. Gentlytugwiretobesureofproperconnection.Doublecheckthateachwireisconnectedtotheproper

terminal.

12.Turnonpowertothesystematthemainservicepanel.

13.Congurethermostattomatchthetypeofsystemyouhave.

14.Replacecoveronthermostatbysnappingitinplace.

15.Testthermostatoperationasdescribedin“TestingtheThermostat”.

1

ST

Cool 2

ND

Cool 1

ST

Heat 2

ND

Heat

Heat/Cool Y1 YI,Y2 W1 W1,W2

The910121746thermostatiscongurableforallsystems.Thecongurationdirectlyaffectstheoutputs.

Usetheoutputcharttocorrectlycongureandwirethethermostattoyoursystem.

910121746 Output Chart

Configuration Mode

OFF

1. Verifythe910121746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.

Toexitcongurationmode,presstheCONFIGswitchfor1second.

Presstheupordownbuttontochangesettingswithineachscreen.

Downbutton

Upbutton

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910121746tomatchyourheating/coolingsystem.Tocongurethe

910121746,performthefollowingsteps:

3. PresstheCONFIGbuttonfor1secondwhilethe910121746isinOFF mode.

CONFIG

S1 S2 R C W

O/B

GY1 W2 W3Y2

RESET CONFIG

FP

Wiring Diagrams

L

S1

S2

R

C

W1

Y1

W2

Y2

G

A

O

O

G

Y1

Y2

W1

W2

A

R

C

4

3

2

1

5

O

G

Y1

Y2

W1

W2

A

R

C

ICM

Thermostat

Terminal

TB2

TB1

ICM

Thermostat

Terminal

WSHP Main Control Board

Terminals TB1 and TB2

Terminal Designator Descriptions

R–24VAChot

C–24VACcommon

W1–1ststageheat

Y1–1ststagecool

W2–2ndstageheat

Y2–2ndstagecool

 G – Fan

 A – Alarminput

 L – Statusinput

 O – Override/reset

Daikin P/N (910121746)

• Configurable

• 2-Stage Heat/2-Stage Cool Systems

• Large Display With Backlight

• Selectable Fahrenheit or Celsius

• Status Indicator Light

• Relay Outputs

(minimum voltage drop in thermostat)

• Remote Sensor Compatible

Installation, Operation & Application Guide

Version B: 10-15-13

2 Heat/2 Cool, Auto Changeover, Hardwired

Non-Programmable Electronic Thermostat