RTRE

(*1) Relay connection. There is always 230V between ~ and N when the transformer knob is in one of the positions 1-5.

(*2) Earth connection.

(*3) Fan connection.

(*Rt) Room thermostat connection. By default roomthermostat is not in use, and Rt is looped together.

(*TK) Motor protection connection. If the motor protection is not in use, Tk shall be looped together.