Honeywell manual ‘Efficient Daily Use’, PROGRAMMING THE CM721, The Built-in Heating Program

‘Efficient Daily Use’ PROGRAMMING THE CM721

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.

Period	1	2	3	4
Time	6:30	8:00	18:00	22:30
Temperature	21°C	18°C	21°C	16°C

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 flashing as shown. The
active period is	highlighted by	a flashing square		1	2	3	4
around the numbers at the bottom of the screen.

b.To adjust the period start time use the or buttons, the display will stop flashing 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 confirm.

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 flashing. To adjust this press the or

buttons and confirm 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 profile.

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 flashing 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.

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