How can I s witch the Chr onotherm off?
Mov e the slider to the OFF position. The unit has an intelligent b uilt-in
frost protection feature , so that if the temperature f alls below 5°C , it will
automatically switch back on to pre v ent y our pipes from freezing.
How do I know when the batteries need
changed and how do I change them?
Y our Chronotherm has built-in electronics that constantly monitor the
battery power lev el. With no other accessories fitted and applications
other than electric heating, the batteries should last about 4 years.
When the batteries need replaced, a flashing symbol will be
displa yed.
T o change the batteries:
1. Lift up the front flap to rev eal the battery compar tment. Open the
battery compar tment by inser ting a coin underneath the bottom
right edge of the flap and lift it out.
2. Replace the used batteries with 2 new AA LR6 Alkaline Batteries
(Duracell are recommended) and push the battery compar tment
firmly back into the front of the unit.
RESPECT Y OUR ENVIRONMENT!
T ake care to dispose of used batteries carefully .
The Chronotherm has a per manent memor y to keep y our progr am
settings while you change the batteries, you should ne v er need to
reprogram. Ho we v er , if you tak e more than one minute to change
them, you ma y need to correct the time by mo ving the slider to the
DA Y / position and pressing the + b utton.
What other accessories can I buy that work with
the Chronotherm?
Honeyw ell provides other accessories and “Add-On” modules that can
be used with your Chronotherm, ask your installer f or details :
1. Automatic Time Setting (A TS) “Add-On” Module *
The A TS module picks up a daily time signal from a tr ansmitter in
Central Europe and corrects the time on the Chronotherm display . So:
• Y ou ne v er need to set or adjust the time
• There is no need to adjust the unit by -/+ 1 hour in summer / winter
since the unit does this automatically
• Y our Chronotherm is the most accurate cloc k in your home so you
can use this information to set-up all your other cloc ks.
* Not av ailable in all Geog raphic Regions depending on transmitter
range and home location
2. Outside T emperature Sensor Accessory
The Outside T emper ature Sensor accessory can be fitted to your
Chronotherm to display the outside temperature. By pressing the INFO
button twice, the Chronotherm displa ys the e xternal temperature.
How do I set the time and da y?
1. Move the slider to the D A Y / position. The time and da y mark er
will now be flashing on the display indicating the y can be changed.
2. Press the + or - button until the correct time is displa yed. Each
button press will change the time by one minute and stop the
display from flashing. Holding the button down f or a fe w seconds
will change the time slowly at first, then quickly .
3. Press the DA Y 1..7 b utton until the da y marker is positioned under
the correct day (DA Y 1 is Monday). Each b utton press mov es the
day marker by one da y .
How do I get started with the built-in tempera-
ture program?
Move the slider to the A UTOmatic position.
The Chronotherm will now control your heating using the built-in
temperature program:-
Monda y to F rida y
Program 1 2 3 4 5 6
Time 06:30 08:00 12:00 14:00 18:00 22:30
T emperature 21°C 18°C 21°C 18°C 21°C 16°C
Saturday and Sunda y
Program 1 2 3 4 5 6
Time 08:00 10:00 12:00 14:00 18:00 23:00
T emperature 21°C 21°C 21°C 21°C 21°C 16°C
How do I set m y own temperature pr ogram f or
each day of the week?
1. Move the slider to the PROGram position. Y ou will see the first
temperature change time and temperature le vel f or Monda y’ s
program (the two small arrows are displa y ed only when the
programmed temper ature lev el is shown). The flashing displa y
indicates that you can mak e changes.
DAY/
PR OG
AU TO
MAN
OFF
2. Press the + or - button to adjust the first temperature change
time. Holding the b utton down will change the time quic kly . The
change time can be set in 10 minute steps from 03:00 in the
morning. The change time can be adjusted to any time up to 02:50
on the next morning, so you can maintain the e v ening temper ature
after midnight.
(Note: If you are pressing the + b utton and the display flashes
the ne xt change time number 2 , it means the next change time 2
will be pushed f orward if you contin ue to press the + b utton).
3. Press the TEMPerature or button to adjust the first
temperature le v el. Holding the button do wn will change the
temperature quickly . The temper ature can be set in 0.5°C steps
from 5°C to 30°C.
4. Press the PROGram 2 b utton to display the second temper ature
change time and temperature le vel f or Monda y . Set these b y
pressing the + or - b utton and TEMPerature or button.
5. The remaining temperature changes for Monda y can be displa ye d
by pressing PROGram b uttons 3, 4, 5 and 6 and adjusted by
using the + or - button and TEMPerature or b utton.
(If you don’t want to use all the temperature change times 2, 3, 4,
5 or 6 refer to the ne xt question “What if I don’t want to use all 6
temperature change times?”).
Y ou now have a choice to set the program f or the next day:-
6a. Press the COPY D A Y button to cop y Monda y’ s program into
T uesda y . T o set sev eral da ys of the week to the same prog ram,
press the COPY DA Y b utton repeatedly .
6b. Press the DA Y 1..7 b utton to step the day marker to T uesda y (Da y
2). The program f or T uesda y can then be set as described in steps
2 to 5. Progr ams f or Wednesda y (Da y 3) to Sunda y (Da y 7) can be
set in the same wa y , using the DA Y 1..7 button.
7 . M ove the slider to the A UT Omatic position when you ha v e
completed steps 6a or 6b , The Chronotherm will now control the
room temperature to match your prog ram.
What if I don’t want to use all 6 temperature
change times?
The built-in progr am uses 6 temperature change times as indicated b y
the numbers 1, 2 , 3, 4 , 5 and 6 on the displa y . With the slider in the
PROGram position, unwanted change times can be deleted by holding
the appropriate PROGram buttons (2, 3, 4, 5 or 6 ) down for a f ew
seconds. The change time will be removed and the display will sho w
dashes instead of a time / temperature displa y .
Deleted temperature change times can be brought back by again
pressing the appropriate program button (2, 3, 4, 5 or 6 ) for a f ew
seconds, with the slider in the PROGram position.
Can I change the programmed temperature f or a
shor t time?
When the slider is in the A UT Omatic position the temperature can be
adjusted temporarily by pressing the TEMP erature or b utton.
This temperature will return to the program at the next temper ature
change time.
How do I chec k the programmed temperature?
In normal operation the temperature displa yed is the actual room
temperature. T o check the progr ammed temperature press the
INFOrmaton button and the displa y will show the programmed
temperature with the two small arro ws.
Ho w do I set one temperature for the whole da y?
T o operate as a simple thermostat with one temperature throughout the
day , mov e the slider to the MANual position. Adjust the man ual temper a-
ture by pressing the TEMPerature
or
button. The manual
temperature can be set anywhere from 5°C to 30°C in 0.5°C steps .
DA Y/
PROG
AU TO
MAN
OFF
1234567
1234567
123456
I am having some friends r ound f or coffee. How
can I extend m y heating pr ogram for a f e w hours?
When the slider is in the A UT Omatic position the temperature can be
adjusted temporarily by pressing the (P ARTY) button. Set the
party time (1 - 23 hours) by pressing the + or - b utton. Set the
par ty temperature (5°C - 30°C) b y pressing the TEMP erature
or
button. The Chronother m will control to the ne w temperature f or the set
number of hours and then go bac k to the normal temperature program.
T o cancel the PA R T Y setting press the button a second time or
mov e the slider .
The button can also be used when you go out (shopping, out with
friends for coff ee or to another party!) and want to reduce the tempera-
ture for a f e w hours to sav e energy .
I have a da y off work tomorr o w and I am staying
at home, do I have to re-pr ogram the CM67?
No, with one b utton press, the CM67 will remember that tomorro w is a
day off . T omorro w , the CM67 will control the temperature using
Sunday’ s prog ram.
When the slider is in the AU TO matic position, press the (D A Y
OFF) button. A symbol will appear and the day mark er for
tomorrow will flash. This indicates that the Sunday temperature
program will be f ollowed tomorro w . T omorrow the symbol will still
appear but without the flashing da y marker , the CM67 will be control-
ling tomorrow’ s temper atures using Sunday’ s progr am.
T o cancel tomorrow’ s D A Y OFF, press the button twice or mov e
the slider .
If you ha ve 2 or more da ys off press the button each night bef ore
going to bed.
If you hav e a D A Y OFF toda y and want to control the temperature
using Sunday’ s prog ram press the button twice.
T o cancel an y DA Y OFF setting, either press the button repeatedly
until the symbol disappears or mov e the slider .
I am going on holiday f or a few da ys. Ho w do I
save ener gy b ut ensure that the house is warm
when I return?
1. Mov e the slider to the operating position you require on returning
from holiday (A UT Omatic or MANual position)
2. Press the (HOLID A Y) button to displa y the holida y da ys
counter and temperature.
3. Press the + or - b utton to set the holiday time (1 - 99 da ys). An
extr a flashing da y marker shows you the holida y return da y .
4. Press the TEMP erature or b utton to set the holida y
temperature (5°C - 30°C).
The unit will control to the new temperature f or the set n umber of days
holiday . At midnight the holida y da ys counter will be reduced b y one
until the selected number of da ys ha ve passed. The unit will then
return to nor mal control as set by the MANual or A UT Omatic slider
position.
T o cancel the HOLIDA Y setting, press the button a second time or
mov e the slider .
1234567
1234567
DA Y/
PROG
AU TO
MAN
OFF
Display T oday
Display T omorrow
Batter y Low
Indicator
Day Mark er Time Displa y Burner on
Indicator
T emperature
Change
Buttons
= increase
= decrease
Inf ormation
Enquiry
Button
T emperature
Display
Holiday ButtonDay Off Button
Party Button
Battery
Compartment
Da y
Button
Copy Da y
Button
Time
Change
Buttons
Setting
Slider
Program
Buttons
EXT
CM67 Controls/Displa y La yout
The diagram below details the k e y button functions and displa y
information.