Riello RS 70/E MZ Instruction Manual download pdf (Page 19)

Installation

4.10 Calibration of the thermal relay

The thermal relay is used to avoid damage to the motor

owing to a strong increase in absorption or the lack of a

phase.

For the calibration, refer to the table given in electrical layout

no. 6 in Appendix A.

If the minimum value of the scale of the thermal relay is

greater than the rating absorption of the motor, protection is

still ensured. This arises when the power supply of the motor

is 400 V.

To reset, in the case of an intervention of the thermal relay,

press the button 1) of Fig. 22.

Fig. 22

D8267

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Riello RS 70/E MZ Instruction Manual Page 19