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Honeywell CM921 Wireless Programmable Room Thermostat User Guide

opERATING THE CM921  
Temperature Override  
During normal operation (AUTO mode) the programmed temperature can be  
adjusted manually by pressing the or buttons. The ‘target‘ temperature  
will be displayed and lash for 5 seconds – during this time the  
can be used to modify the set value.  
or buttons  
Note: This temperature override is cancelled at the next programmed  
temperature change.  
Using the Special Functions  
HOLIDAY Function  
The holiday function allows you to set a constant temperature (default = 10°C)  
for a speciied 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. Move the slider switch to the AUTO or MAN position.  
b. Press the  
button to display the holiday days counter and temperature  
.
setting, along with the holiday indicator  
c. The day after the current day will be selected and ‘RETURN DATE OK?’ will be  
displayed. Press the or time buttons to set the holiday time (1 – 99 days).  
Note: (The day and date will update according to the number of days  
selected).  
d. Press the green  
button to conirm the setting.  
e. ‘CHANGES SAVED’ will be displayed for a moment followed by ‘TEMP OK?’.  
Press the  
or  
buttons to set the holiday temperature (5°C - 35°C)  
f. Press the green  
button to conirm the setting. ‘HOLIDAY MODE’ will now  
be displayed on the screen until the return date is reached or the holiday  
mode is cancelled.  
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 slider switch position (AUTO or MAN position). To cancel the  
HOLIDAY setting or to exit the function at any time press the  
or move the slider switch to a different position.  
button a second time  
9
firealarmresources.com  
GeneralDetails
NameHoneywell CM921 Wireless Programmable Room Thermostat User Guide
MakeHoneywell
LanguageEnglish
FiletypePDF (Download)
File size0.31 MB
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Honeywell CM921 Wireless Programmable Room Thermostat User Guide