Mode d'emploi AEG RTi 102 E Thermostat - Notice page 12

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For the Fitter
1. Operating Instructions
RTi 102 E
The room temperature regulator RTi 102 E is an electronic 2-position controller, i.e. the fans of the
storage heater are switched on, operated at constant speed and switched off again.
RTi 103 EP
The room temperature regulator RTi 103 EP is an electronic proportional controller, i.e. the speed
of the storage heater’s fan motors is adapted to the heat requirement continuously by the RTi 103
The speed of the fan motors is controlled dependent on the difference between the room
temperature (actual temperature) and the temperature (nominal temperature) set at the selector
button. The smaller this difference, the lower the speed of the fan motors.
If, however, the storage heater is operated with a supplementary heater, the RTi 103 EP
automatically switches to a 2-position control when switching on the supplementary heater (B), if
heat is discharged the fan motors only run at full power.
If the supplementary heater (B) is switched off by the switch in the control panel, the
RTi 103 EP is operating as a proportional controller again.
1.1 Functional Principle
The room temperature regulator is switched on and off by the switch (C) on the storage heater’s
control panel.
The desired room temperature can be set continuously with the selector knob (D) on the control
If the selector knob is in the middle position, the room temperature is controlled constantly to
approx. 20 °C. By turning the selector knob to the left or right, the room temperature can be set
between about 5 °C and 35 °C.
When the room temperature drops below the set value, the discharge control unit automatically
switches on the storage heater fan motors so that the stored heat is blown into the room.
On very cold days it is advisable to leave the room temperature regulator switched on during long
periods of absence (several days) to keep the temperature at about 10 °C for example so that the
building or room does not go cold (protection against frost).