Honeywell CM721 Manual

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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.

During Normal Operation

• Temperature Enquiry

 InAUTO,MAN and OFF operating modesthe thermostat will displaythe currentroom

temperature.Toreviewtheprogrammed‘target’ temperature(thetemperaturewhichthe

thermostatistryingtomaintain)pressthe button.This‘target’temperaturevaluewillbe

displayedashingfor5secondsbeforereturningtothecurrentroomtemperaturevalue.

• Temperature Override

 Duringnormaloperation(AUTOmode)theprogrammedtemperaturecanbeadjustedmanually

bypressingthe or buttonsorthe button.The‘target’temperaturewillbedisplayedand

ashfor5seconds-duringthistimethe or buttonscanbeusedtomodifythesetvalue.

Note: This temperature override is cancelled at the next programmed temperature change.

Adjusting the Time

Toadjustonlythetimeduringnormaloperationusethe or buttonstoadjustthetimeand

pressthegreen buttonagaintoconrmanychanges.

Using the Special Features

• SERVICE indicator

Note: This option only works if activated by your

installer.

The 'SERVICE' indicator is displayed at set intervals

as a reminder that your heating system requires a

routine check. Please call your installer to arrange a

maintenance visit.

The ‘SERVICE’ indicator will remain on the display

of the CM721 until it is either reset or disabled by

your installer. The CM721 and heating system will

continue to operate as normal.

OPERATING THE CM721 ‘Using the Features’