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Honeywell CM721 Manual

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5
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(AUTOmode)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’
… 5 …


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