Installation manual

8 Underfloor Heating
3.1 Changing the temperature format
Thermostat Display T-75
3.2 Changing the temperature setpoint
Thermostat Display T-75
Thermostat T-55
Thermostat Public T-53
Simultaneously press the + and - keys for 10 s
➜
The SEL menu is displayed.
Press + or - to change the temperature format (°C or
°F)
Wait for 5 s
➜
The thermostat returns to the default
display.
You can avail of an energy-saving mode (ECO Mode)
if your system is fitted with a Thermostat
Display T-75 and an Interface I-75. This ECO Mode
may be activated from the interface menu and will
allow you to achieve significant energy savings.
Press the + or - key
➜
The set point setting icon and the set point
value are displayed.
Press + or - to change the set point value
For °C, setting by 0.5°C steps
For °F, setting by 1°F steps
Wait for 5 s
➜
The radio transmission icon is displayed,
confirming that the set point has been
recorded and sent, and returns to default
display.
In order to set the temperature set point to its
default value of 22.0°C (72.0°F), briefly press the +
and - keys simultaneously.
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2
3
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2
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Rotate the dial to get a higher temperature set point
Rotate the dial counter-clockwise to get a lower
temperature set point
Open the cover. See: "3.5 Thermostat battery
replacement"
Select the required temperature using the
potentiometer
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2
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