18
For PRECISE calibration the following calibration solutions are required:
Part Number:
AS4250 - 250 mV
Part Number:
AS5475 - 475 mV
Press the SAVE icon for saving new settings after editing. A pop-up screen with confirmation of
savings of new settings will appear. New settings will also be saved when pressing RETURN icon
and returning to the MAIN screen.
The performance Chart has historical values on the current date; week or month (Double click on
chart area to load the desired component). Also shown on the graph are indications of dosing
duty values for those periods.
Setting values include SETPOINT, PUMP DUTY, MODE, ALARM MODE, ALARM RANGE,
LOCKOUT DELAY and OUTPUT. Press each parameter to input a value or chose pre-
determined options. OUTPUT box shows the CHOOSE OUTPUT screen (Picture 16).
Picture 16. Choose Output Screen
Press the chosen output to use that output instead of the currently assigned one if required.
CAUTION:
Use outputs 1 to 4 only as they are wired to the GPO plugs 1 to 4 labelled on the
protection cover inside the controller (Refer to the Picture 1. Protection cover) Outputs 5-8 should
be used only if they are wired according to the purchase order. Outputs 9 to 13 are low power
(can switch up to 50V/0.5A/10W peak) signal relays for use with switching dosing pumps or
similar applications.
pH Configuration
On the main screen, touch the pH parameter box. The pH screen will appear (Picture 17).
Picture 17. pH screen
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