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Buttons (4) and (5) are enabled in AUTOMATIC
mode and allow the user to view some of the operat-
ing parameters of the converter,
ters
on page 33.
Press button (2) to enable MANUAL mode to view
the operation and alarms log
on page 34) or to access the menus and edit the
operating parameters
(Programming
5.2 Start-up and programming
Refer to
Figure 1
on page 269 and
269 for the user interface.
1. Check that all the electrical, mechanical, and
hydraulic connections have been made. See
Electrical installation
stallation
on page 28, and
on page 29.
2. Turn on the power and the converter starts up.
– All the LEDs (7) (8) (9) (10) turn on and, if
there are no faults, turn off again within
10 seconds.
– The converter performs an autotest and the
LED (7) turns on.
– The display shows the software version.
NOTICE:
• The converter enters MANUAL mode upon initial
start-up. The mode at start-up is the same one
the converter was in when it was previously
turned off.
• After turning it off, wait a minimum of 20 seconds
before turning it on again. This is to prevent the
risk of overcurrent and tripping of the main switch
or earth protection, or burning of the fuse of the
converter.
The parameters in the basic menu can be edited
ONLY in MANUAL mode. Press (2) to switch be-
tween AUTOMATIC and MANUAL mode; the LED
(10) is off.
• In MANUAL mode, press and hold (3) for a few
seconds until the first parameter to be edited ap-
pears on the display and LED (10) flashes.
• Press (4) and (5) to edit the value of the parame-
ter, or (6) to confirm and select the next parame-
ter.
• Press (3) to exit the list of parameters to be edit-
ed and the LED (10) turns off.
• Press (2) to set AUTOMATIC mode and LED (10)
is illuminated and remains steady.
NOTICE:
– In automatic mode, the electric pump runs if
the pressure of the system is below the set
point.
• If necessary, press (2) to set MANUAL mode and
the electric pump turns off if running.
5.2.1 Operating parameters
In AUTOMATIC mode, press (5) to view the follow-
ing operating data of the converter:
11
Maximum current supplied to the motor (refer to
Operating parame-
(Counter and alarm log
on page 35).
Figure 2
on page
on page 30,
Mechanical in-
Hydraulic installation
Technical data
Table 13: Parameters for models MMW and MTW
Parameter Descrip-
tion
P
Instantane-
ous pres-
sure of the
system
Fr
Instantane-
ous operat-
ing frequen-
cy of the
motor
A
Instantane-
ous current
absorbed
by the mo-
tor
°C
Tempera-
ture of the
power mod-
ule
The last parameter to be selected is shown continu-
ously on the display.
P
s
e
t
P
b
a
r
P
b
a
r
H
z
A
°
C
S
T
A
T
E
9
Table 14: Parameters for models MMA and MTA
Parameter Descrip-
tion
Pset
Set point
pressure
Pbar
Instantane-
ous pres-
sure of the
system
Hz
Instantane-
ous operat-
ing frequen-
cy of the
motor
on page 27).
en - Original instructions
Unit
Range
bar
0.0–8.0
Hz
Min-70
11
Ampere
0–In
Degrees
0–80
Celsius
4
.
5
4
.
3
4
.
3
4
5
5
.
5
3
8
3
Unit
Range
bar
0.0–FS of
sensor
bar
0.0–FS of
sensor
Hz
Min-70
33
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