
EUROSTER 4020TXRX
–
INSTALLATION AND OPERATION MANUAL
4
temperature in increme
nts of 0.1°C. The longer the button is pressed, the faster the values
change. Confirm the temperature change with the central button or wait until the set value
stops flashing and is stored. The factory setting is 20
°C.
6.
FUNCTION ENABLING TEMPORARY DECREASE OF THE PRESET TEMPERATURE
(
)
It allows you to store the lowered temperature (
) and its duration and the comfort
temperature (
) that will remain in effect for the remaining time of the day. The preset
program will be executed every day of the week.
To activate the function:
•
Use the “
” buttons to set the comfort temperature
•
Confirm with the central button
•
Press and hold the central button for 3 seconds
•
The display shows the flashing value to be used as lowered temperature (
symbol),
•
Use “
” buttons to set the desired temperature value
•
Confirm with the central button
•
then use the “
” buttons to set the duration of the operation with lowered
temperature.
•
Confirm with the central button
From this point on, the thermostat runs the program for all days of the week. For the duration
of the operation with decreased temperature, the
symbol is displayed, and the
symbol is displayed for the remaining time of day.
In order to change the set temperatures without disabling the function:
•
Press the right-
hand “ “ button
•
Press the right-hand button again
–
select comfort
or reduced
temperature
•
Use “
” buttons to set the desired temperature value
•
confirm with the central button.
In order to disable the function, hold down the central button for 3 seconds.
The function of temporarily lowered temperature can be set to between 1 and 23 hours.
7.
TEMPORARY CHANGE OF TEMPERATURE
During the thermostat operation with t
he temporarily lowered temperature, use “
” and “
”
buttons to change temperature. However, the changed temperature value is only valid until the
next change resulting from the preset lowering period. For the time of temporary operation
with changed
temperature “
” symbol is displayed.
8.
THERMOSTAT CONFIGURATION
Press and hold the central and right buttons for approximately 2 seconds to enter the setting
mode. Configure the thermostat in the following way: choose a
required parameter with “
”
and “
” buttons, use
the central button to enable the introduction of changes, and change the
value using “
” and “
”, then confirm the modified value with the central button. The
following parameters may be changed:
•
Temperature range limit
–
low (LO)
This parameter allows you to limit the temperature range to be set. This parameter
limits the lower values of the range.
Default value 5°C.
•
Temperature range limit
–
high (HI)
This parameter allows you to limit the temperature range to be set. This parameter
limits the higher values of the range.
Default value 35°C.
Example:
To set a preset temperature between 18
°C
and 23
°C
, you must set the "LO" value to