Honeywell CM721 Programmable Room Thermostat User Guide
OPERATING THE CM721
‘Using the Features’
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
throughout the day. The setpoint can be adjusted from 5°C to 35°C by using the
a
simple thermostat with
a
fixed setpoint
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 flashing 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
flash for 5 seconds - during this time the
Note: This temperature override is cancelled at the next programmed temperature change.
or buttons or the button. The ‘target’ temperature will be displayed and
or buttons can be used to modify the set value.
Adjusting the Time
To adjust only the time during normal operation use the
press the green
or
buttons to adjust the time and
button again to confirm 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.
5
firealarmresources.com
| General | Details |
|---|---|
| Name | Honeywell CM721 Programmable Room Thermostat User Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.26 MB |
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