CONTROL LINK: indicates if ORP controller is linked to the
electrolysis control board.
Indication LED of anomalous ORP value: alarm LEDs are
activated automatically when the readings are outside the prefixed
range (650-850 mV). For security reasons, the controller turns-off
the control output when upper limit (850 mV) is exceeded.
ORP CALIBRATION key: system enters calibration mode when
this key is pressed for a few seconds. The calibration is automatic
and is carried out using a the calibration solution supplied with the
unit (470 mV).
PH-CONTROLLER
pH-VALUE display: large LED display showing numerical
indication of the pH reading (green colour).
pH-SETPOINT display: large LED display showing numerical
indication of the pH setpoint value (red colour).
Indication LED of product being dosed: selection of the type of
product to dose may be done with a jumper located on the control
board of the unit.
Indication LED of anomalous pH value: alarm LEDs are
activated automatically when the readings are outside the prefixed
range (6.5-8.5 pH). For security reasons, the controller turns-off
the control output when these limits are exceeded
pH CALIBRATION key: system enters calibration mode when
this key is pressed for a few seconds. Two calibration modes are
available: “MANUAL”, introducing into the system the present
value of water pH and with no need to manipulate the pH-
electrode; and “STANDARD”, through the buffer calibration
solutions (pH 7.0 and 4.0).supplied with the unit.
SETPOINT key: allows pH setpoint programming. Built-in
security system avoids accidental programming.
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