Honeywell CM721 User Manual

4
Period 1 2 3 4
Time 6:30 8:00 18:00 22:30
Temperature 21°C 18°C 21°C 16°C
The Built-in Heating Program
Thebuilt-in heatingprogramhas 4temperaturelevelchangesthatcan besetbetween3.00am
and2.50amthefollowingday-allowingyoutomaintaintheeveningtemperatureaftermidnight.
Eachtemperaturelevelcanbesetbetween5°Cand35°C,andadjustedin0.5°Cincrements.The
factorydefaultprogramforheatingisasfollows.
Reviewing the Heating Program
TorevieworedittheheatingprogramusethePROGRAM or buttonstonavigatebetween
the4individualprogrammingperiods.
Modifying the Heating Program
To change the heating program:
a. Press either of the PROGRAM  or  buttons to
enterthe programmingmode.Thetime/temperature
settingsforperiod
1
will be ashing asshown. The
active period is highlighted by a ashing square
aroundthenumbersatthebottomofthescreen.
b. Toadjusttheperiodstarttimeusethe or buttons,thedisplaywillstopashingandthe
‘OK?’indicatorwillbedisplayed.Holdingthebuttondownwillchangethetimequickly.
Note: If you are pressing the or buttons and the display flashes the next period, it
means the next period will be pushed forward.
c.
 Oncetherequiredtimeisreachedpressthegreen buttontoconrm.
Note: If the original time setting did not require adjustment press the green button to move
to step ‘d’.
d.
 Thetemperaturesettingforperiod
1
willnowbeashing.Toadjustthispressthe or
buttonsandconrmthesettingagainbypressingthegreen button.
e. The next time and temperature period will now be active. Adjust this by repeating steps b - d
aboveuntilall4periodsaresetorpresstheAUTO buttontoruntheprogramasset,atanytime.
Disabling / Enabling Time Periods
Thethermostathas4periods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(
2
to
4
)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.
4321
‘Efficient Daily Use’ PROGRAMMING THE CM721

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