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w-MEXT
MICROPROCESSOR DISPLAY
INFORMATION
During this phase, the microprocessor indicates the presence of
alarms (thermal, fans, humidifier (if applicable), no flow, etc.),
because some circuit breakers are in the OFF position, and some
components are not active.
8.
Press the Alarm key to disable the sound signal.
3.2
USER INTERFACE
3.2.1
USER TERMINAL
The user interface comprises:
132x64 pixel backlit LCD display.
6 backlit buttons.
The connection between the microprocessor board and the user terminal involve a 4-pole
telephone cable equipped with RJ11 connector.
The terminal is fed directly from the control board.
3.2.2
BUTTONS GENERAL FUNCTIONS
Key
Name
[ALARM]
[PRG]
[ESC]
[UP]
[DOWN]
[ENTER]
Key combinations activate a set of specific functions.
Keys
Name
[ALARM
+ PRG +
UP]
+
+
[ALARM
+ PRG +
DOWN]
+
+
[ALARM
+ ESC]
+
[UP +
ENTER +
DOWN]
+
+
[ALARM
+ UP]
+
UM_w-MEXT_01_Z_10_20_ML
Description
Displays the alarms and resets normal
operating conditions.
Accesses the main menu.
goes back one level in the mask tree if
you are in the header masks, or returns
to the main mask.
Move around the masks and set control
parameter values.
Confirms entered data.
Description
Increase or decrease screen contrast.
Increase or decrease screen contrast.
In the shared keyboard mode, this
combination allows to share screenshots
and parameters among LAN connected
units.
Press for 5 seconds to set the LAN
address on the user terminal.
With the user terminal set to 0, it allows
to configure the LAN address on the
control board.
3.2.3
KEY LED MANAGEMENT
The key led indicators turn on in the following instances.
Key
4
START
4.1
MACHINE START-UP
Commissioning must be carried out by a specialist Engineer, in the presence of the Installer
and an experienced Operator.
The specialist Engineer will test the equipment, carrying out checks, calibrations and
commissioning according to the applicable procedures falling under their responsibility.
The experience Operator must address questions to the specialist Engineer in order to
acquire the necessary information to be able to carry out the control and operation activities
that will fall under their responsibility.
4.2
START
1.
Check maintenance clearances and safety distances.
2.
Check and adjust the air flow.
3.
Measure fan absorption by comparing the values with that reported in the technical
bulletin.
4.
Check the SUPPLY VOLTAGE: Check that the mains voltage does not exceed +/-
10% of the machine nominal value.
5.
Check the BALANCING OF THE PHASES: Check that the balance between the
phases does not exceed 2%. Otherwise, contact the electricity distribution company
to solve the problem.
5
METHOD OF USE
5.1
USE PROVISIONS AND WARNINGS
The day-to-day use of the equipment does not require the presence of the operator, who
must only intervene to carry out regular checks, in case of emergency, or in case of planned
starts and stops.
If these activities are carried out consistently and correctly, good long-term performance of
the machine and the equipment will result.
INFORMATION
Failure to comply with the procedures can cause bad operation of
the machine and the system as a whole, resulting in early
deterioration
5.2
DESCRIPTION OF CONTROLS
The various controls are shown below, with their descriptions and functions. These controls
are positioned on the electrical panel
DOOR LOCKING SWITCH
Door locking electric switch: opens and closes the power supply circuit.
OFF (0) the machine is not powered.
ON (I) the machine is powered
28
TRANSLATION OF THE ORIGINAL INSTRUCTIONS
English
Name
Description
Fixed in case of alarm and flashing in
case of signal.
[ALARM]
Once the [ALARM] key is pressed, the
led becomes fixed.
In lack of alarms/signals, the led is off.
When the unit is operating (ventilation
[PRG]
ON).
[ESC]
Upon turning on the unit, when pressing
[UP]
any key or activating an alarm/signal.
It will disengage after three minutes of
inactivity on the keyboard of the user
[ENTER]
terminal.
[DOWN]
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