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5.17
Calibration of the thermal relay
The thermal relay (Fig. 34) serves to avoid damage to the motor
due to an excessive absorption increase or if a phase is missing.
For calibration 2), refer to the table indicated in the electrical lay-
out (electrical wiring in charge of the installer).
To reset, in case of an intervention of the thermal relay, press but-
ton "RESET" 1).
The button "STOP" 3) opens the NC contact (95-96) and stops
the motor.
Insert a screwdriver in the window "TEST/TRIP" 4) and move it in
the arrow direction (to the right) to carry out the thermal relay test.
The burner leaves the factory set for the 5.5 kW pump motor.
Adjust the relay according to the output of the pump that will
be installed.
The automatic reset can be dangerous.
This operation is not foreseen in the burner oper-
ation.
WARNING
Installation
D11301
29
GB
Fig. 34
20099672
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