Braeburn 2020NC Instructions d'utilisation

This thermostat requires 24 Volt AC Power or two (2) properly installed

“AA” Alkaline batteries for proper operation. When connecting 24 Volt

AC Power the batteries may be installed as a backup.

For use only as described in this manual. Any other use

will void warranty.

2020NC

Single Stage Heat / Cool

Conventional and Heat Pump

Speciﬁcations

About Your Thermostat

Installation

System Testing

Setting User Options

Setting Your Program Schedule

Operating Your Thermostat

Additional Operation Features

Thermostat Maintenance

Warning

Turn off power to the heating or cooling

equipment before installation.

Attention

For installation by experienced service

technicians only.

2220NC

Up to 2 Heat / 1 Cool

Conventional and Heat Pump

Read all instructions before proceeding.

This thermostat is compatible with:

  •Singlestageheat/coolconventionalandheatpumpsystems

  •Conventionalsystemsupto2heat/1cool(2220NConly)

  •

Singlecompressorheatpumpsystemswithanauxiliaryheatstage(2220NConly)

  •250–750millivoltheatonlysystems

Electrical and control speciﬁcations:

  •ElectricalRating:24VoltAC

  •1ampmaximumloadperterminal

  •ACPower:18–30VoltsAC

  •DCPower:3.0VoltDC(2“AA”AlkalineBatteriesIncluded)

  •ControlRange:45°–90°F(7°–32°C)

  •TemperatureAccuracy:+/-1°F(+/-.5°C)

Terminations

  •2020NC–Rc,Rh,O,B,Y1,W1,G,C

  •2220NC–Rc,Rh,O,B,Y1,E/W1,G,W2,C

Speciﬁcations

2020W-100-01

Model number is located on back of thermostat

Programmable

Thermostats

Detailed

Installer Guide

Single Stage Heat / Cool

Conventional and Heat Pump

Setting Your Program Schedule

Operating Your Thermostat

Additional Operation Features

Thermostat Maintenance

For installation by experienced service

technicians only.

Up to 2 Heat / 1 Cool

Conventional and Heat Pump

About Your Thermostat

Room Temperature...........Displaysthecurrentroomtemperature

Day of Week......................Displaysthecurrentdayofweek

Program Event Indicator. . Indicatesthecurrentprogramevent

Time of Day.......................Displaysthecurrenttimeofday

Low Battery Indicator......

Indicateswhenbatteriesneedtobereplaced

Fan Indicator....................Indicateswhenthesystemfanisrunning

Hold Mode Indicator.........DisplaysifinHOLDmode

System Status Indicator...Displaysinformationaboutsystemstatus

Set Temperature...............Displaysthecurrentsetpointtemperature

Service Filter Indicator.....Displaysservice/maintenancereminders

Model number is located on back of thermostat

Reset Button..........

Resetsthermostatbacktofactorydefaults

System Switch.......

Selectssystempreference

PROG Button..........Selectsprogrammingmode

HOLD Button..........Enters/ExitstheHOLDmode(programbypass)

RETURN Button......Returnstonormalfromprogramorsettingmodes

DAY/TIME Button...Usedtosetthetimeanddayofweek

Quick Reference

Instructions........... Storedinslotattopofthermostat

Arrow Buttons....... Usedtoincreaseordecreasesettings

Fan Switch.............Selectsthesystemfanmode

Battery Compartment....Locatedinbackofthethermostat

13 14 15 16

Install your new Braeburn thermostat in 5 basic steps:

1 InstalltheSub-Base

2 ProvidePower

3 ConnectYourWires

4 SetInstallerSwitches

5 AttachThermostattoSub-Base

Install the Sub-Base:

•Removethesub-basefromthebodyofthethermostat.

•Mountthesub-baseasshownbelow:

NOTE: After sub-base installation, you may insert the quick reference card

into the slot on the top of the base.

Installation

Warning

Disconnect power before beginning installation.

Thermostat Location

Installthethermostatapproximately5feet(1.5m)abovetheoorinan

areathathasagoodamountofaircirculationandmaintainsanaverage

roomtemperature.

Avoidinstallationinlocationswherethethermostatcanbeaffectedby

drafts,deadairspots,hotorcoldairducts,sunlight,appliances,concealed

pipes,chimneysandoutsidewalls.

Drill 3/16” pilot holes in

your desired location.

Use supplied anchors for

drywall or plaster.

UP UP

Terminal Function Description

 Rc   Input 24VoltACCoolingTransformer

       (DualTransformerSystemsOnly)

 Rh   Input PowerConnection(24VoltACHeating

       TransformerorMillivoltPowerSource)

 O   Output ReversingValve(CoolActive)

 B   Output ReversingValve(HeatActive)

 Y1   Output CompressorRelay

 G   Output FanControl

 W1   Output ConventionalHeatRelay

 C   Input 24VoltACTransformerCommon

Connect Your Wires

Wiring Terminations

Terminal Function Description

W1/E   Output (W1)1stStageConventionalHeat

       (E)EmergencyHeatRelay

 W2   Output 2ndStageHeat/AuxiliaryHeat

Additional Terminations (2220NC only)

Provide Power

•For 24 Volt AC power,youmustconnectthecommonsideofthetrans-

 formertotheCterminalonthethermostatsub-base.

•For primary or back-up power,insertthe2supplied“AA”typealkaline

 batteriesintothebatterycompartmentlocatedintherearhousingofthe

 thermostat.MakesuretopositionthePositive(+)andNegative(-)sides

 ofthebatteriescorrectlywiththe+/-symbolsinthebatterycompartment.

24VAC Power

Terminal (C)

Heat Only or Millivolt

Set Installer Switch to CONV

Rh PowerConnection

W1 HeatRelay(appearsasW1/Eon2220NC)

1 HEAT / 1 COOL Single or Dual Transformer

Set Installer Switch to CONV

24VoltACPower(heatingtransformer)[note 2]

24VoltACPower(coolingtransformer)[note 2]

W1 HeatRelay(appearsasW1/Eon2220NC)

Y1 CompressorRelay

G FanRelay

C 24VoltACTransformerCommon[note 1, 3]

Typical Wiring Conﬁgurations

NOTE: The “Installer Switch” option will be conﬁgured in the next step.

Conventional Systems

24VAC Power

Terminal (C)

NOTES - Conventional Systems

[1]Ifbatteriesareinstalledthe24VoltACcommonconnectionisoptional

[2]Removefactoryinstalledjumperfordualtransformersystems

[3]Indualtransformersystems,transformercommonmustcomefrom

 coolingtransformer

Provide disconnect and overload protection as required.

2 HEAT / 2 COOL Single or Dual Transformer (2220NC Only)

Set System Type to CONV

24VoltACPower(heatingtransformer)[note 2]

24VoltACPower(coolingtransformer)[note 2]

W1 HeatRelayStage1

W2 HeatRelayStage2

Y1 CompressorRelayStage1

G FanRelay

C 24VoltACTransformerCommon[note 1, 3]

Factory Setting

Switch Default Options Comments

NOTES - Heat Pump Systems

[1]Ifbatteriesareinstalledthe24VoltACcommonconnectionisoptional.

[2]SelectOforcoolactiveor Bforheatactive.

[3]InstallaeldsuppliedjumperbetweentheW2 and Eterminalsif

 thereisnoseparateemergencyheatrelayinstalled.

Provide disconnect and overload protection as required.

 CONV/HP CONV

 F/C F

 HE/HG HG

Set Installer Switches

 CONV Selectforconventionalsystems

 HP Selectforheatpumpsystems

 F Selectforfahrenheittemperaturescale

 C Selectforcelsiustemperaturescale

 HG Selectforgasheat

 HE Selectforelectricheat

Typical Wiring Conﬁgurations

NOTE: The “Installer Switch” option will be conﬁgured in the next step.

Heat Pump Systems

1 HEAT / 1 COOL - No Auxiliary Heat

Set Installer Switch to HP

Rh 24VoltACPower

Rc ConnectedtoRhwithsuppliedJumperWire

O or B

 ChangeoverValve [note 2]

Y1 CompressorRelay

G FanRelay

C 24VoltACTransformerCommon [note 1]

2 HEAT / 1 COOL - Including Auxiliary Heat (2220NC only)

Set Installer Switch to HP

Rh 24VoltACPower

Rc ConnectedtoRhwithsuppliedJumperWire

O or B

 ChangeoverValve[note 2]

CompressorRelay(1ststageheating/cooling)

W2 AuxiliaryHeatRelay(2ndstageheating)

[note 3]

E EmergencyHeatRelay[note 3]

G FanRelay

C 24VoltACTransformerCommon [note1]

TheInstallerswitchesarelocatedonthebackofthethermostatandmust

beproperlyconguredforthisthermostattooperateproperly.

Attach Thermostat to Sub-Base

1.Lineupthethermostatbodywiththesub-base.

2.Carefullypushthethermostatbodyagainstthesub-baseuntilitsnaps

 intoplace.

3.Insertquickreferencecardintoslotontopofthermostat.

System Testing

Warning

Read Before Testing

• Donotshort(orjumper)acrossterminalsonthegasvalveoratthe

 heatingorcoolingsystemcontrolboardtotestthethermostatinstalla-

 tion.Thiscoulddamagethethermostatandvoidthewarranty.

• DonotselecttheCOOLmodeofoperationiftheoutsidetemperature

 isbelow50ºF(10ºC).Thiscouldpossiblydamagethecontrolledcool-

 ingsystemandmaycausepersonalinjury.

• Thisthermostatincludesanautomaticcompressorprotectionfeatureto

 avoidpotentialdamagetothecompressorfromshortcycling.When

 testingthesystem,makesuretotakethisdelayintoaccount.

NOTE: The compressor delay can be bypassed by pressing the reset button

on the front of the thermostat. All user settings will be returned to factory

default.

1 MovetheSYSTEMswitchtoHEATmode.

2 Presstoraisethesettemperatureaminimumof3degreesabove

thecurrentroomtemperature.Thesystemshouldstartwithinafew

 seconds.Withagasheatingsystem,thefanmaynotstartrightaway.

3 MovetheSYSTEMswitchtotheOFFmode.Allowtheheatingsystemto

 fullyshutdown.

4 MovetheSYSTEMswitchtotheCOOLmode.

5 Presstolowerthesettemperatureaminimumof3degreesbelow

thecurrentroomtemperature.Thesystemshouldstartwithinafew

 seconds(unlesscompressorshortcycleprotectionisactive–See

 noteabove).

6 MovetheSYSTEMswitchtotheOFFmode.Allowthecoolingsystemto

 fullyshutdown.

7 MovetheFANswitchtotheONmode.Thesystemfanshouldstart

 withinafewseconds.

MovetheFANswitchtotheAUTOmode.Allowthesystemfantoturnoff.

NOTE: The reset button must be pressed after making any changes to

these switches.

UP UP

User Factory Setting

No. Options Default Options Comments

1 1ststage

0.5

0.5, 1.0

Selecta1ststagetemperature

differential

or 2.0 differentialof.5˚,1˚or2˚F(.25˚,5˚

       or2˚C)

2 2ndstage

2.0

1.0, 2.0,

 Selecta2ndtemperature

differential

3.0, 4.0

, differentialof1˚,2˚,3˚,4˚,5˚or6˚F

(2220NCOnly)

5.0 or 6.0

 (.5˚,1˚,1.5˚,2˚,2.5˚or3˚C)

 3  

LNG

Selectslong(permanent)holdmode

24HRS

Selects24hr.(temporary)holdmode

 4 

OFF

Disableslterservicemonitorfeature

30, 60, 90

, Selectsanumberofdaysbefore

180, 365 thethermostatwillashaService

       Filterreminderinthedisplay.

 5    OF REC Disablesadaptive(early)

       recoverymode

ON REC Enablesadaptive(early)

       recoverymode

Table of User Options

Detailed Explanation of User Options:

Temperature Differential

(User Option 1 and 2)

Thedifferentialsettingisthetemperaturecontrolrangethatyourthermostat

willprovide.Thesmallerthesetting,thetighteryourrangeoftemperature

controlandcomfortwillbe.The2ndstagedifferentialisonlyforsystems

withasecondstageofheating(auxiliaryheat).

Setting User Options

Advanced User Options

Useroptionsallowyoutocustomizesomeofyourthermostat’sfeatures.

Thedefaultuseroptionsarecompatiblewithmostapplications,thereforeit

isnotrequiredthatyouadjustthem.

To access the User Options menu, hold down both the and buttons

for approximately 3 seconds until the screen changes and displays

the ﬁrst User Option.

PresstheorbuttontochangethesettingforthedisplayedUserOption.

Afteryouhavemadeyourdesiredsetting,pressandtogetherto

advancetothenextUserOption.

Thethermostatwillreturntonormalmodeafteryourlastuseroptionis

madeorafternokeyshavebeenpressedfor15seconds.

Extended

HoldPeriod

LNG

Filter

Service

Monitor

OFF

Adaptive

Recovery

Mode(ARM

)

OF REC

Setting Your Program Schedule

Setting the Time and Day

Innormaloperatingmode,presstheDAY/TIME

 button.Thedisplaywillswitchtotheday/time

 settingmodeandthehourwillbeashing.

2. Pressortoadjustthehour.

 PressDAY/TIME.

3. Pressortoadjusttheminute.Press

DAY/TIME.

4. Pressortoadjustthedayoftheweek.PressRETURNtoexit.

Extended Hold Period

(User Option 3)

TheExtendedHoldPeriodletsyouselecttheperiodyourthermostatwill

holdthetemperaturewhentheHOLDmodeisactivated(See“Temperature

Adjustment”).WhenLNGisselectedthethermostatwillholdyour

temperatureindenitely.When24HRisselected,thethermostatwillhold

yourtemperaturefor24hoursandthenreturntothecurrentprogramat

thattime.

Service Filter Monitor

(User Option 4)

TheServiceFilterMonitorisauserselectable

servicemonitorthatwilldisplayareminderfor

arequiredairlterreplacementbyashingthe

SERVICEFILTERsegmentinthedisplay.Whenthe

selectedintervalhasbeenreached,andrequired

cleaningorreplacementhasbeenperformed,

touchtheRETURNbuttontoresetthetimerandresettheservicemonitor.

SelectOFForasetnumberofdaysbeforethereminderwillappear.

Adaptive Recovery Mode (early recovery)

(User Option 5)

DuringAdaptiveRecoveryMode(ARM™),roomtemperatureisrecovered

graduallybyturningontheheatingorcoolingbeforetheendoftheset

backperiod.Thesetpointtemperatureischangedtothatoftheupcoming

programtemperature.

Tips Before Setting Your Program Schedule

•Makesureyourcurrenttimeanddayoftheweekaresetcorrectly.

•Whenprogramming,makesuretheAMandPMindicatorsarecorrect.

Thisthermostatcomespre-programmedwithadefaultenergysaving

program.Thefollowingtableoutlinesthepre-programmedtimesand

temperaturesforheatingandcoolingineachofyour4dailyweekdayand

weekendevents.Ifyouwishtousethesesettingsthennofurtherprogram-

mingisnecessary:

Programming a 5-2 Day Residential Schedule

The5-2dayresidentialprogrammingmodeallowsyoutoprogramMonday

-Fridaywithone4eventscheduleandthenallowsyoutochangeSaturday

andSundaywithadifferent4eventschedule.

1. TouchthePROG button.Thedisplaywillswitch

 toprogrammingmode.

ThedaysM,TU,W,TH,

 andFwillbedisplayedandthehourwill

 beashing.

2. MovetheSYSTEMswitchtoeithertheHEAT

 orCOOLposition.

3. Presstheortoadjustthehourforthe

 MORN(morning)event.PressPROG.

4. PressortoadjusttheminutefortheMORNevent.PressPROG.

5. Pressortoadjustthetemperatureforthe

MORNevent.PressPROG.

6. Repeatsteps3-5fortheDAY,EVEandNIGHTevents.

7. Repeatsteps3-6fortheweekend(S,SU)program.

8.

Ifneeded,repeatsteps2-7toprogramtheoppositemode(HEATorCOOL).

9. PressRETURNtoexit.

Weekday Weekend

MORN

DAY

EVE

NIGHT

Time: 6:00 pm

Heat: 70˚ F (21˚ C)

Cool: 75˚ F (24˚ C)

Time: 8:00 am

Heat: 62˚ F (17˚ C)

Cool: 83˚ F (28˚ C)

Time: 6:00 am

Heat: 70˚ F (21˚ C)

Cool: 75˚ F (24˚ C)

Time: 10:00 pm

Heat: 62˚ F (17˚ C)

Cool: 78˚ F (26˚ C)

4 Event

Time: 6:00 pm

Heat: 70˚ F (21˚ C)

Cool: 75˚ F (24˚ C)

Time: 8:00 am

Heat: 70˚ F (21˚ C)

Cool: 75˚ F (24˚ C)

Time: 6:00 am

Heat: 70˚ F (21˚ C)

Cool: 75˚ F (24˚ C)

Time: 10:00 pm

Heat: 62˚ F (17˚ C)

Cool: 78˚ F (26˚ C)

5-2 Day Programming– Weekday/Weekend

Factory Settings

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