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s-MEXT-G00
3.
Check that the fan, electric heater (if applicable) and humidifier (if applicable) circuit
breakers are OFF.
4.
Turn the magnetic switch that supplies the auxiliary circuits ON.
5.
To identify this switch, see the "Wiring Diagram".
6.
Close the internal electrical panel door, close the main panel and move the door
locking electric switch back to ON.
7.
If these operations have been carried out properly, the microprocessor display will
be ON.
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]
+
UM_s-MEXT_G00_01_Z_07_21_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.
+
+
+
3.2.3
KEY LED MANAGEMENT
The key led indicators turn on in the following instances.
Key
4
START
4.1
MACHINE START
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
CALIBRATION AND TUNING PROCEDURES
At the first machine startup the operation control devices may need calibration and tuning.
These activities - the main among which are indicated below - must be carried out by
specialist personnel:
Air flow calibration;
Cooling circuit parameter calibration;
Humidifier calibration (accessory);
4.3
START
1.
Check maintenance clearances and safety distances.
2.
Check and adjust the air flow.
3.
Measurement of the electrical absorption of the fans.
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.
INFORMATION
Since the fan needs to maintain a minimum air flow, for safety
reasons, as soon as the unit has power supply the fan starts to
rotate. Avoid to turn off the power supply of the unit unless it's
necessary, in order to keep a minimum air flow.
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.
26
TRANSLATION OF THE ORIGINAL INSTRUCTIONS
English
[UP +
Press for 5 seconds to set the LAN
ENTER +
address on the user terminal.
DOWN]
With the user terminal set to 0, it allows
[ALARM
to configure the LAN address on the
+ UP]
control board.
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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