XMPI0MTIRPD2ST021 19/24 Ed. 2021
10 MODE OF OPERATION
10.1 AUTOMATIC MODE
Valid for menus D001, D002, D003. Entering one of these pages, pressing the RUN button will start the system
and use the analogue input to adjust the range or the arrows on the keypad for manual mode when this mode
has previously been selected via the MAN button.
10.2 TIMED MODE
Valid for menus D001, D002, D003. With the system stopped, two times can be set by pressing the SEL button:
• Wait start: waiting time before departure;
• Timer ON: time during which the system must be switched on;
Once the parameters have been set, pressing the MAN button will activate the timer mode: the system will be
stopped for the time set in "wait start" and will remain on for the time set in "timer on". Use the arrows to
adjust the flow rate.
Note: If timer ON is set to zero, the system will turn on after waiting for the "wait start" time and will remain
in that state until it is turned off via the RUN button.
10.3 PRIMING MODE
To enter this mode, with the system stationary, press the up and down arrow
keys simultaneously for more than 5 seconds.
Press MAN key to set the priming time.
Press SEL to set the minutes and seconds digits and set the desired time using
the arrows or press MAN to set the priming frequency, always using SEL to
navigate between the digits.
Press MAN for the third time to exit the settings.
To start priming, press the RUN button, and to exit, press PAR.
10.4 BATCH DOSING MODE
This mode is accessed via menu D004. By pressing the MAN key the absolute quantity in litres to be dosed can
be changed. This value can be changed using the up and down arrow keys to adjust the digits and the SEL key
to move between them. The RUN key starts the system.
Depending on the value of parameter S004, the system operates differently:
• S004 = OFF (pulse counter mode disabled): Starting the system by pressing RUN, the dosing time will
be modulated by the ratio between the set absolute litre value and the pump flow rate value in l/h
(set in S001).
• S004 = ON (pulse counter mode enabled): Starting the system by pressing RUN, the dosing time will
be a function of parameters S001, S002, S003, thus taking into account the actual SPM of the pump
mechanism and any variations.
Note: If the pulse sensor is faulty or not connected, the dosing count will remain unchanged, without
signalling any error.
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