CTX BOMBAPRO PH-RX, Operatinginstructions And Maintenance

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ENGLISH
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Direction menu
In this menu, has to set if the pump has to dose above the setpoint or below this value. For instance to reduce pH value, dosing
an acid chemical, the direction arrow has to point down. In this way the pump will be active, dosing, when the pH value is higher
than the setpoint previously set.
To select the direction of the arrow, use the + and -
buttons. Pressing OK the direction will be
memorized.
Manual or Proportional mode
After selected direction of the dosing, the pump will show ON-OFF or PROP. flashing. With + or - buttons it's possible to shift
among them.
ON-OFF - When the pump has to dose it will run at flow rate selected by the user in Flow rate setting, and it stops at the
Setpoint;
PROP. - In this mode the pump will dose proportionally to the setpoint value. The pump starts dosing over setpoint (determined
by hysteresis), increasing its speed up to the MAX FREQUENCY ADJUSTMENT use will set after pressing OK from this menu.
Use + and - to select the operative mode
Press OK to confirm the selection. Following will be
described these two modes:
Frequency adjustment
If the user has select Manual mode (ON-OFF), after pressing OK button, the pump will pass in Frequency adjustment menu.
User has to set the flow rate of the pump, from 0 to 100% of maximum frequency.
Use + e - buttons to select the desired flow rate
percentage. Pressing OK the pump will save data
and go out from Setpoint mode. It will be enough to
press ESC button to go in metering mode.