Honeywell CM721 User Manual

12
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 confirm any changes.
Using the Special Functions
• HOLIDAY Function
 Theholidayfunctionallowsyoutosetaconstanttemperature(default=10°C)foraspecied
numberofdays(from1-99days).Thisletsyousaveenergyandrelatedcostswhenyouare
awayfromhome,butresumesnormaloperationonthedayofyourreturn.
To set the Holiday function:
a. EnsurethethermostatisrunninginAUTO orMAN operatingmodes.
b. Presstheholiday buttontodisplaythe holidaydayscounterandtemperaturesetting,
alongwiththeholidayindicator .
c. Pressthe or timebuttonstosettheholidaytime(1-99days)andpressthegreen
buttontoconrm.
d. Pressthe or buttonstosettheholidaytemperature(5°C-35°C)andpressthegreen
buttontoconrm.
Thethermostatwillnowcontroltothenewtemperatureforthesetnumberofdaysthatyourhomeis
vacant.Atmidnighttheholidaycounterwillbereducedbyoneuntiltheselectednumberofdayshave
passed.ThethermostatwillthenreturntonormaloperationassetbytheMAN orAUTO mode.To
canceltheHOLIDAYfunctionortoexitthefunctionatanytimepressthe buttonasecondtime.
‘Using the Features’ OPERATING THE CM727

Honeywell CM721 Specifications

General

Type	Programmable Thermostat
Display	LCD
Setpoint Range	5°C to 32°C
Switching Voltage	24V AC
Temperature Range	0°C to 50°C
Hold Feature	Yes
Power Source	24V AC (Battery Backup)
Dimensions	88 mm x 132 mm x 26 mm