Honeywell CM 507 A - Manual (Page 2)

CM507A 400-147-024-A 2/6/05 2/2
3.2 Setting the Temperature
Press one of the buttons until the desired temperature is displayed.
3.3 Comfort and Economy Temperatures
The thermostat has 2 preset temperature buttons:
• Comfort temperature
• Economy temperature
To set the thermostat at the comfort temperature or economy tempera-
ture, press the corresponding preset button. The corresponding symbol will
be displayed.
The following table shows the use and the factory setting of each preset but-
ton.
To modify the comfort or economy temperature:
n
Set the desired temperature using the buttons.
o
Press and hold the appropriate preset button until the corresponding
symbol is displayed.
3.4 Control Mode
3.4.1 Manual
Use this mode to set the temperature at a fixed value. To use this mode, press
Mode to display and set the desired temperature using the
buttons or
the buttons.
3.4.2 Automatic
Use this mode to set the temperature according to the energy-saving sched-
ule (see section 4.2). To place in Automatic mode, press Mode to display
.
Temporary Override
If you modify the temperature when the thermostat is in automatic mode, the
new temperature will be used for the next 2 hours. Afterwards the thermostat
will return to the automatic mode settings. The
icon flashes during the
override period.
3.5 Battery Indicator
An icon appears when the batteries need replacement. This
icon will flash for 60 days, then the thermostat will cut power
to the heating system. The icon disappears once the
batteries are replaced.
After replacing the batteries, readjust the time and day (see
section 4.1).
4.1 Setting the Time and Day
n
Press Clk for 3 seconds. The hour display flashes.
o
Set the hour using .
p
Press Clk. The minute display flashes.
q
Set the minutes using .
r
Press Clk. The day display flashes.
s
Set the day using .
t
Press Exit to exit the programming mode.
4.2 Energy-saving Schedule
When the thermostat is placed in automatic mode, it switches between the
comfort temperature and economy temperature according to the programmed
schedule. You can set a different program for each day of the week. The pre-
programmed schedule is as follows:
4.3 Modifying the Schedule
n
If not already done, set the comfort and economy temperatures
(see section 3.3)
o
Press Pgm. The program for Monday will appear and the first hour
period (0:00 a.m. to 1:00 a.m.) is selected (flashes).
NOTE: Note: If you wish to use the same program every day, press Pgm for 3
seconds to select all the days of the week.
p
Press or button to advance to the next or preceding hour period
respectively.
q
Select the comfort or economy temperature by pressing on the corre-
sponding button ( or ).
r
Repeat steps 3 and 4 for each switch point.
s
To modify the program for another day, press Pgm until the day is
selected and repeat steps 3 to 5.
t
Press Exit to exit the programming mode.
n
To access the configuration menu, press the and buttons
simultaneously for 3 seconds.
o
To go to the next parameter (menu item), briefly press the and
buttons simultaneously.
p
To modify a parameter, press or .
q
Repeat steps 2 and 3 if necessary.
r
Press the and buttons simultaneously for 3 seconds to exit the
configuration menu.
Button Intended Use Default Setting
Comfort (when the occupant is awake and at home) 21°C
Economy (when the occupant is absent or asleep) 17°C
q
Programming 4.
Monday to
Friday
comfort : Economy :
6:00 to 8:00
18:00 to 22:00
8:00 to 18:00
22:00 to 6:00
Saturday and
Sunday
Comfort : Economy :
6:00 to 22:00 22:00 to 6:00
r
Configuration Menu 5.
DISPLAY DESCRIPTION DEFAULT SELECTIONS
Time Display 12 h 12 h or 24 h
Pump Protection 1 Off On or Off
Number of cycles per hour
4 2, 3, 4, 5 or 6
1 When pump protection is On, the thermostat will activate the heating sys-
tem for 15 seconds if it has not been activated for the past 24 hours.
2 The corresponding cycle lengths are: 2=30 min., 3=20 min., 4=15 min.,
5=12 min., 6=10 min. Select the cycle according to the type of heating:
Gas boiler <30k W - 10 minutes
Oil boiler - 20 minutes