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Honeywell CM721 Programmable Room Thermostat User Guide

SETTING-UP THE CM721  
Getting Started’  
This section shows you how to setup and run the thermostat in 3 simple steps:  
STEP 1: Installing the Batteries  
Note: Please follow the instructions in this section only if the thermostat screen is blank (no  
symbols or digits are displayed). If the room temperature is already displayed move on to Step 2:  
Setting the Date and Time.  
To install the Batteries:  
a. Lift up the front cover of the thermostat to reveal the battery cover and product controls.  
b. Remove the battery cover by pressing down and sliding out.  
c. Insert the 2 x AA LR6 Alkaline Batteries supplied with the thermostat, ensuring the correct  
orientation (see ‘Controls Layout’ on page 2).  
d. After a short pause the thermostat will display information on the screen and is now ready for use.  
e. Replace the battery cover by sliding it firmly back into the front of the thermostat.  
STEP 2: Setting the Date and Time  
To set the Date and Time:  
a. Press the DATE button to begin setting the date. When you set  
the date for the first time after the batteries are inserted, the  
display will show:  
Press the  
or buttons to set the current day of the month  
(e.g. d 01 = 1st day of the month) then press the green  
button to confirm.  
b. Press the  
year (e.g. m 01 = January) then press the green  
or  
buttons to set the current month of the  
button to  
confirm.  
c. Press the  
or  
= 2006) then press the green  
buttons to set the current year (e.g. yr 06  
button to confirm.  
The date is now stored.  
d. Use the  
the green  
or buttons to set the correct time then press  
button to confirm. Each press of the buttons will  
change the time by one minute and holding them down will  
change the time slowly at first and get progressively quicker.  
AM  
Note: If this mode is entered accidentally then press the  
AUTO, MAN or OFF buttons to exit.  
STEP 3: Running the Built-in Heating Program  
The thermostat is now ready for operation. Press the AUTO button and the built-in heating program  
will start running. Note: The built-in heating program has been designed to provide normal comfort  
requirements, but if you want to customise the settings please see the next section ‘Programming  
the CM721’.  
3
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GeneralDetails
NameHoneywell CM721 Programmable Room Thermostat User Guide
MakeHoneywell
LanguageEnglish
FiletypePDF (Download)
File size0.26 MB
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Honeywell CM721 Programmable Room Thermostat User Guide