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Enerpac ZW4-5 Manual De Instrucciones página 6

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6.0 LCD ELECTRICAL USE INSTRUCTIONS
The pump is driven and operated by a set of two boards: the
Power Board (PB) and the Control Board (CB), connected to
each other by a flat cable.
On the PB are the terminals for the main power supply, the
motor power supply and all peripherals such as fan, valve
solenoids, pendant, pressure transducer, oil temperature switch,
and oil level switch. The PB also contains the transformer, circuit
breaker, rectifier and drivers.
CAUTION: The CB is an electrostatic sensitive device.
Special care has to be taken while handling this board
(i.e.: ESD wristbands).
6.1 LCD Function
Screen 1
Number
display
00000000
SET
0000.0
HOURS CYCLES
LOW
MOTOR
VOLTAGE OVERLOAD
Besides the pendant, which is used to switch the motor on/off
and operate the valves, the CB with its four-button switches is
the main interface between the operator and the pump. With the
use of these four-button switches all functions and settings that
are described in the following can be activated.
CAUTION: Make sure that the plastic overlay, that
protects the LCD screen and the button switches, is not
broken or otherwise damaged. Never punch the button
switches with a sharp or pointed instrument, use fingertips only.
Clean the overlay regularly with a damp cloth; never use
aggressive or abrasive detergents.
A. Boot Sequence
When the pump is connected to electrical power the LCD screen
will show: "FIRMWARE" x.x for 1 second, then "Model 9" for 0.5
seconds, and then "Motor UN/1P/3P" for 0.5 seconds. Additional
information may appear depending on model and installed
accessories (See Section 8.0).
This is setup information about your pump that may be needed for
service. The boot sequence is finished successfully when the text
display on the LCD screen shows "OK" (sequence takes
approximately 2 seconds).
On models equipped with the optional pressure transducer, the
micro-controller will automatically recognize the transducer, and
the current pump pressure (typically "0" psi/bar at startup) will
be shown on the numeric display.
On models without a pressure transducer, no pump pressure
reading will be shown.
Text display
PSI MPa
BAR
B. LCD Operational Buttons
The CB is equipped with four button switches, from left to right
On/Off
/
Menu
The pump motor On/Off button is not functional for this
pump model. The pump will NOT start or stop when the
On/Off button is pressed. Motor operation is controlled by
depressing and releasing the Up-Arrow and Down-Arrow
buttons on the pendant (remote mode) or on the LCD panel
(local mode).
The Menu button enables the operator to step from normal
operational mode into menus. With repeated pressing the
operator steps through the various menus. Pressing the
Menu button also saves any changes made. To return to the
normal operational mode, press and hold the Menu button
for two seconds or don't push any button for 60 seconds.
The Down-Arrow and Up-Arrow buttons serve two purposes.
When the LCD screen shows one of the menus, the Down-
Arrow and Up-Arrow buttons are used to step through the
menu's options. When the pump is placed in Local Mode
(see Section 6.2G), the Down-Arrow and Up-Arrow buttons
operate the B and A electric solenoids and the motor. The
pendant is non-operational in local mode.
C. Menus Available
The software provides the operator with a series of available
menus.
NOTE: The UNITS menu is available only on pump models
equipped with the optional pressure transducer. This menu will
not appear if the pressure tranducer is not installed. The other
menus (beginning with the MOTOR menu) are available for all
pump models:
Units
-
Set
PSI / BAR / MPa, with psi being the default setting.
The hidden menus for DWELL A, DWELL B, PRESR A,
PRESR B and for Calibration of the digital gauge are also
accessed from the UNITS menu. See Section 6.5 for
additional information.
Motor - display the motor hour meter and on/off cycle
counter (nonresetable)
Low Volt - display the low voltage hour-meter (nonresetable)
Advance - display the Advance solenoid hour meter and
on/off cycle counter (nonresetable)
Retract - display the Retract solenoid hour meter and on/off
cycle-counter (nonresetable)
Local - set the pump local mode on/off
Language - set the language of the display to English /
Spanish / French / Italian / German / Portuguese, with
English being the default setting
Diagnose – display to show input signals from the pendant
and other electrical accessories
6
/
Down Arrow
/
Up Arrow
the
pressure
units
to

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