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TH232-AF-230

      400-232-003-B                    2010-05-26                    3/4

NOTE: Early Start can be used in Automatic mode only. When this
function is set to On, the thermostat calculates the optimal time to
start heating in order to obtain the desired temperature by the set
time. The thermostat re-assesses the start time daily based on the
previous day’s results. 

n

Press the 

Hour

 button to set the hour.

o

Set the 

Min

 button to set the minutes.

p

Set the 

Day

 button to set the day.

q

Press 

Mode/Return

 to exit and save the changes.

Daylight Savings (DLS) Time

When the 

DLS

 function is set to 

US

, the thermostat switches to Day-

light Savings Time on the second Sunday of March and to normal
time on the first Sunday of November.
When the 

DLS

 function is set to 

Eu

, the thermostat switches to Day-

light Savings Time on the last Sunday of March and to normal time
on the last Sunday of October.

NOTE: The DLS function is OFF (default setting) when the clock
loses its setting.

n

Press the 

Day

 button (3 seconds) until 

DLS

 appears 

on the screen.

o

Press the 

 to toggle between 

US

Eu

 and 

OFF

.

p

Press the 

Day

 button briefly. The year setting is dis-

played.

q

Press the 

 to set the current year.

r

Press the 

Day

 button briefly. The month setting is dis-

played.

s

Press the 

 to set the current month.

t

Press the 

Day

 button briefly. The date setting is dis-

played.

u

Press the 

 to set the current date.

v

Press 

Mode/Return

 to exit and save the changes.

6.1

Setpoint Temperature

The thermostat normally displays the actual (measured) temperature.
To view the setpoint, press one of the 

 buttons once. The setpoint

will appear for the next 5 seconds.

To change the setpoint, press one of the 

 buttons until the desired

temperature is displayed. To scroll faster, press and hold the button.

Backlight

The screen is lit for 12 seconds when any button is pressed.

6.2

Preset Temperatures

The thermostat has 2 preset temperatures:

Comfort temperature 

Economy temperature 

To use a preset temperature, press the corresponding button. The
corresponding icon will be displayed.

The following table shows the intended use and the default value of
each of the preset temperatures.

To store a preset temperature:

n

Set the desired temperature using the 

 buttons.

o

Press and hold the corresponding temperature preset button 
until the corresponding icon is displayed.

The thermostat has 2 modes of operation: automatic mode and man-
ual mode.

7.1

Automatic Mode 

Use automatic mode if you want the thermostat to fol-
low the programmed schedule. The schedule has 4
time periods and uses the 2 preset temperatures. The
thermostat switches to Comfort temperature in periods
1 and 3 and to Economy temperature in periods 2 and
4. The following table shows the intended use of each
time period.

To use the automatic mode, press the 

Mode

 button to display   on

the screen. The current period number will also appear. 

Preprogrammed schedule

The thermostat has been programmed with the following schedule.

Temporary bypass

You can override the temperature of the current period by pressing
the 

 or   buttons. The new setpoint will be used until the begin-

ning of the next period. The clock icon   flashes during the bypass.

To cancel the bypass, press the 

Mode

 button.

r

Clock and Day Setting

5.

s

Temperature Adjustment

6.

Icon

Intended use

A/AF modes

F mode

Comfort 
(when at home)

21 °C (70 °F)

28 °C (82 °F)

Economy (when asleep 
or away from home)

16.5 °C (62 °F)

20 °C (68 °F)

t

t

Modes of Operation

7.

Period

Temperature setting

Typical use

Comfort 

Wake-up

Economy 

At work

Comfort 

At home

Economy 

Sleep

Period

Temperature 

setting

Period start time

MO

TU

WE

TH

FR

SA

SU

Comfort 

6:00 

am

6:00 

am

6:00 

am

6:00 

am

6:00 

am

6:00 

am

6:00 

am

E

conomy 

8:30 

am

8:30 

am

8:30 

am

8:30 

am

8:30 

am

--:--

--:--

Comfort 

4:00 

pm

4:00 

pm

4:00 

pm

4:00 

pm

4:00 

pm

--:--

--:--

Economy 

11:00 

pm

11:00 

pm

11:00 

pm

11:00 

pm

11:00 

pm

11:00 

pm

11:00 

pm

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