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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:
H I
S P E E D
3 3
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 26 to
33 KRPM.
Starting the Pump
If the forepump and vent device are not operated by the
controller, close the vent valve and switch on the
forepump.
NOTE
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 selected is REMOTE or
RS 232 / 422 / 485.
A D J U S T
K R P M
NUMBER
and
PUMP
•
Press the START push-button (or use the
or RS 232 start signal), and the display shows:
S O F T
S T A R T
[
.
.
:KHUH WKH VLJQ PLQXV EHFRPH D VTXDUH å ZKHQ
LQGLFDWHG E\ D IODVKLQJ VTXDUH å
the pump finish the ramp-up step. The active step is
As the ten steps are fully covered, the pump will reach
the Normal operation. If during the Soft Start mode the
current
drawn
600 W the speed of the pump is decreased to maintain
the maximum power allowable (600 W).
•
If the Soft Start mode has been deselected the
display will change and shows:
P U M P
1 2
X X
where:
•
1 2 = contrast inverted identifies the set
condition:
•
1 is displayed when relay K1 is de-energized and
the related output is zero voltage.
•
2 is displayed when relay K2 is energized and
related output is 24V.
XX KRPM = indicates the actual theoretical rotational
speed of the pump as a function of the controller output
frequency (range 3 to 33 KRPM).
89
TECHNICAL INFORMATION
O N
.
.
.
.
.
.
.
.
by
the
pump
I
S
S T A R T
K R P M
87-900-913-01 (N)
remote
]
exceed
I
N G
point
the
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