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RADISTAT MAN USER MANUAL
RADISTAT MAN
Contents
Introduction..................................................................................... 1
Setting the temperature ................................................................ 1
Ground Fault Circuit Interrupter (GFCI) ........................................ 1
Checking the GFCI ......................................................................... 1
Settings ........................................................................................... 2
Standby ........................................................................................... 2
Error messages .............................................................................. 2
Introduction
GFCI test button
UTN is an electronic thermostat for comfort heating. It combines
elegant simplicity with advanced technology and features a large,
easily read temperature display and Easy2Use buttons for simple
operation. The backlit display is activated by the first press of a
button. UTN thermostats have built-in GFCI (Ground Fault Circuit
Interrupter) to ensure maximum safety.
Setting the temperature
To set the temperature, press the UP or DOWN button until the
required temperature is shown on the display.
The thermostat will calculate the best way to control the heating
in order to obtain the required temperature. Minor adjustments
should first be made after a few hours, depending on floor heating
design.
Ground Fault Circuit Interrupter (GFCI)
The thermostat has a built-in GFCI that ensures personal safety in
case of ground faults.
It is important that the GFCI is checked monthly.
Up button
Checking the GFCI
OK button
Testing can only be performed while the thermostat
is calling for
heat. Adjust the setpoint until the heating symbol (
) appears.
Use the Up button to increase the heating demand and then press
the OK button. Wait 10 seconds to allow the thermostat to adjust
Down button
Standby button
Reset GFCI
1
RADISTAT MAN
to the new setpoint. Then press the TEST button on the top of the
thermostat. The test is successful if the red light in the
TEST button
lights up and GROUND FAULT is shown on the display. If this does
not occur, check the installation/contact your electrical installer. Press
the Standby/Reset button to reset the GFCI.
The red light should go out and the display returns to normal appearance.
Press the Down button to return to the original temperature setting. If
the test fails, check the heating cable and thermostat.
If during normal operation the GFCI trips without the
TEST button
being pressed, there could be a ground fault! To check whether it
is a ground fault or nuisance tripping, press
Standby/Reset . If this
and the system is operating correctly. If this does not occur, there is a
ground fault! Contact your electrical installer.
Settings
The thermostat has an intuitive menu, allowing it to be easily set.
Press OK to access the following options:
FLOOR
TEMP
SCALE HIGH
SCALE LOW
C°/F°
OFFSET
TEMP
APPLICATION
EXIT
2
Displays actual floor
temperature.
Allows you to set the highest temperature
to which the thermostat can be adjusted.
Press OK and change the temperature
with the UP or DOWN button.
Confirm with OK .
Allows you to set the lowest temperature
to which the thermostat can be adjusted.
Press OK and change the temperature
with the UP or DOWN button.
Confirm with OK .
Allows °C (Celsius) or °F (Fahrenheit) to
be selected as the temperature unit.
Press OK and change the temperature
unit with the UP or DOWN button.
Confirm with OK .
between the thermostat and a room thermometer to be set.
Press OK . Press the UP or DOWN button
0.2°F/0.1°C). Confirm with OK
Allows you to select
FLOOR SENSOR or REGULATOR.
FLOOR SENSOR: A floor sensor is used.
Only floor temperature is controlled.
REGULATOR: The thermostat functions
as a simple regulator and no sensors are
used.
Press OK . Press the UP or DOWN button
to select FLOOR SENSOR or
REGULATOR. Confirm with
OK
Exits the menu.
Press OK to return to the initial display.
Standby
stat and display.
Press and hold the Standby button for 2 seconds. The display shows
OFF
To turn the thermostat on again, simply press the Standby button.
Error messages
E0 = Internal failure. Replace thermostat.
E1 = Internal sensor defective or short-circuited. Replace thermostat.
E2 = External sensor defective or short-circuited.
Check external sensor.
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