Manual Honeywell CM721 (page 11 of 16) (English)

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PROGRAMMING THE CM727 ‘Efﬁcient Daily Use’

i)PresstheCOPY DAYbuttontocopyMonday’sprogramintoTuesday.Thedisplaywillgoblank

apartfromthe‘nonashing’dayindicator,whichindicatesthedaycopiedandthe‘ashing’target

daytocopytheprogramto.Toacceptthisdaypressthegreen button.Toselectadifferent

target day press the DATE/DAY button until the ‘ashing’ day indicator is under the required

day,thenacceptitbypressingthegreen button.Note: Once the target day is conﬁrmed it

becomes the day that is copied if the COPY DAY button is pressed again.

ii)Pressthe

DATE/

DAY buttontomovethedayindicatortoTuesday(Day2).Theprogramforthat

daycanthenbeadjustedbyfollowingstepsb to e.Programsfortheremainingdayscanbesetin

thesameway,usingthe

DATE/

DAY buttontomovetothenextday.

ToexittheprogrammingmodeselectthedesiredoperatingmodebypressingtheAUTO,MAN or

OFF buttons.Note: To run the adjusted program select the AUTO mode.

Disabling / Enabling Time Periods

Thethermostathas4periodseachdaythatcanbeprogrammed,butyoumaynotneedallofthese

switchpointsforyourheatingrequirements.Therefore,anyperiodfrom2to4canberemovedfrom

(orreturnedto)theheatingprogramprole.

To disable or enable time periods:

a. Todisableunwantedperiodsgotothedesiredperiod(

to

)usingthe

PROGRAM

or

buttonstonavigate,ensurethecorrectperiodishighlightedwiththeashingsquaresymbol.

Pressandholdthe buttonforatleast2secondsandthedisplaywillindicatetheperiodhas

beenremovedfromtheprogram.

b. Toenableperiodsagainfollowthesameprocedureasabove,navigatingtothealreadydisabled

period.Toenablethisperiodagainpressandholdthe buttonforatleast2seconds.

OPERATING THE CM727 ‘Using the Features’

Choosing the Operating Mode

Thethermostatcanoperateinthreedifferentmodes:Automatic,ManualorOff.Tosettheoperating

mode press either of the AUTO, MAN or OFF buttons. The screen indicates which mode is

currentlyactivebydisplayingAUTO,MAN orOFF.

•

AUTO (automatic)modesetsthethermostattofollowthebuilt-intemperatureprogram(default

orpersonalised).Operatingthethermostatinthismodeisthebestwaytomaintainahighlevel

oftemperaturecomfortwhilstmaximisingyourenergysavings.

• MAN (manual)mode setsthethermostat toactasasimplethermostatwithaxed setpoint

throughoutthe day. Thesetpoint canbe adjustedfrom5°Cto35°C byusing the or

buttons.Thethermostatwillcontinuetomaintainthistemperatureuntilanotheroperatingmode

ortemperatureisselected.

• OFFmodesetsthethermostattocontroltoaminimumtemperaturesettingof5°C(default)that

actsasafrostprotectionmeasureforyourhome.

Green light on red light flashing box next to boiler why .
Thank youb Submitted on 6-4-2022 at 21:00
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Honeywell CM721 Manual

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