S I G N A T U R E
34
PROCEDURE:
IMPORTANT: before closing the by-pass valves, stop system from control panel as
described in section 7.7.1.
1. Extract the ORP sensor from the holder and wash it with abundant tap water.
2. Press “CAL” [22] key for a few seconds, until the ORP display [20] blinks and indicates
“470”.
3. Shake the sensor smoothly so that any water drops that may be adhered to the plastic body
are removed and introduce it to the calibration solution (470 mV). Shake smoothly for a few
seconds and press “CAL” [22] key. If the process has concluded satisfactorily, a long “beep”
will be listened and the controller will be calibrated and ready to operate.
5 segundos
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