TEKNA DPG
OPERATING PROCEDURES
T
he Tekna DPG pump is designed to operate either in CONSTANT MODE (continuous and constant dosing) or in
PROPORTIONAL MODE (dosing at a variable flow rate, depending on an outside signal).
For a better understanding of the functions and programming of the Tekna DPG pump, please see the programming diagram
provided on pages 17 to 19 and to Figures 1 and 2, showing the display and the control panel of the Tekna DPG.
S
TARTING UP THE PUMP
The pump factory settings are as follows:
- operating mode constant
- flow rate is displayed as percentage
- working frequency maximum (400 strokes/min)
- operation STOP
- "illuminated" icons STOP and C
M
ANUAL PRIMING
Start the pump pressing the START/STOP key ( STOP icon turns off). Press the and keys simultaneously. The
pump will start at the maximum frequency of 400 strokes a minute, If the keys are released, the pump will return to its previous
condition.
A
DJUSTING THE FLOW RATE
To adjust the flow rate, press the Mode button and either the or the arrow to increase or decrease respectively the
flow rate value shown on the display, which is indicated as a
percentage of the maximum flow rate.
The letter P will appear on the display, followed by the percentage value of the flow rate. While this is being shown, the %
icon is illuminated.
E.g. P 80 means that the pump is dosing a quantity equivalent to 80% of the quantity it would have dosed at the
maximum frequency, that it is to say it is dosing at a rate of 320 strokes/min.
The value varies from 100% (corresponding to 400 strokes/min) to 0% (0 strokes/min).
NOTE: 0% corrisponds to 1, 2, 3 strokes/min also. At 4 (or 5, 6 ,7) strokes/min the flow rate will be1%, and so on.
I
t is also possible to view the flow rate that has been set as a
working frequency. To change the type of viewing from a
percentage of the maximum flow rate to the working frequency or vice versa, it is sufficient to keep the Mode key depressed
for at least 3 seconds; the display will change automatically.
The letter F will appear on the display together with the value that has been set in strokes per minute;
E.g.. F 350 means that the pump is dosing at a frequency of 350 strokes per minute.
The frequency varies from a maximum of 400 strokes/min (maximum flow rate) to a minimum of 0 stroke/min.(minimum flow
rate).
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