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The terminal compartment incorporates 2 control knobs:
• presetting the speed
• setting the threshold for the electronic thermostat
The thermostat operation indicator is located on the fan cover. It lights up when the air temperature exceeds the set value.
To set the thermostat threshold, turn the temperature knob clockwise to increase the value and counter-clockwise to
decrease the value. To set the fan speed (air flow), rotate the speed control knob in the same way.
The fan operating logic may be based on temperature or timer indications:
TT Silent-M ... U(n):
The fan switches to the maximum speed as the room air temperature exceeds the set point. As the air
temperature drops 2 °C below the set point or if the initial temperature is below the set point, the fan operates with the set
speed.
TT Silent-M ... U1(n):
The fan switches to the maximum speed as the room air temperature exceeds the set point. As the
air temperature drops down below the set point, the timer starts a 5-minute countdown and then the fan switches to the
set speed.
TT Silent-M ... U2(n):
The fan switches to the set speed as the room air temperature exceeds the set point. As the air
temperature drops 2 °C below the set point or if the initial temperature is below the set point, the fan is turned off.
The
TT Silent-M ... P
fan is equipped with a speed controller that enables switching the fan on/off and smooth speed (air
flow) regulation from minimum to maximum value.
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