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Speed adjustment
By pressing CYCLE NUMBER and PUMP CURRENT
push button together for at least five seconds the
processor enters in a routine where it is possible to
adjust the rotational speed.
The display shows:
S P E E D
1 4 . 0
Press the PUMP push button to select the digit to be
changed and when press the CYCLE push button to
change the value.
The speed value can be changed from 9 to 14 KRPM.
Different values are rejected. The speed adjustment
sets the LOW SPEED freq. to 2/3 in any case not less
than 9.
Starting the Pump
If the forepump and vent device are not operated by the
controller, close the vent valve and switch on the
forepump.
With the FRONT panel operation selected, the
REMOTE and RS 232 operations are inoperative;
conversely,
the
CYCLE
CURRENT push-buttons are always active, even when
the
operating
mode
RS 232 / 422 / 485.
A D J U S T
K R P M
NOTE
NUMBER
and
PUMP
selected
is
REMOTE
•
Press the START push-button (or use the remote or
serial port start signal), and the display shows:
S O F T
Where the sign minus (-) become a square ( ž ) when
the pump finish the ramp-up step. The active step is
indicated by a flashing square ( ž ).
As the ten steps are fully covered, the pump will reach
the Normal operation. If during the Soft Start mode the
current
drawn
1600 W the speed of the pump is decreased to
maintain the maximum power allowable (1600 W).
or
•
If the Soft Start mode has been deselected the
display will change and shows:
P U M P
1 2
where:
1 2 = contrast inverted identifies the set
condition:
•
1 is displayed when relay R1 is de-energized and
the related output is zero voltage.
•
2 is displayed when relay R2 is energized and the
related output is 24 V.
XX KRPM = indicates the actual rotational speed of the
pump (range 0 to 14 KRPM).
70
TECHNICAL INFORMATION
S T A R T
O N
[ . . . . . . . . . . ]
by
the
pump
I S
S T A R T I N G
X X . X
K R P M
87-900-855-01 (B)
exceed
point
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