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Chapter 6. Machine adjustment and setting up
EN
6.2. Adjustment
6.2.1. Control panel
The machine is fitted with a control panel, from which all
programming and operation functions can be set.
1. Main switch
2. Variables selection switch
3. Button “DECREASE”.
Reduces set function values
4. Button “INCREASE”.
Increases set function values
5. START button
6. STOP button
7. Temperature display
8. Belt display
9. EMERGENCY pushbutton.
If pressed, it immediately stops the machine in case of
immediate danger
X. “Tunnel inlet zone” temperature led
Y. “Tunnel outlet zone” temperature led.
6.2.2. Switching the machine on
Turn the main switch (1) into pos. 1. The display (8) turns on and the number of the currently selected program will
appear. Press START button (5).
Before using the machine, wait until the adjusting temperature is reached. This is signalled by the extinction of the
warning light (A). Press button (6) to display the active programme number.
6.2.3. Program selection and variable setting
The machine is equipped with 9 selectionable programs (P1 ÷ P9).
Each program is composed by 2 variables which can be modified.
Variable Field
Field
features
1. “Tunnel outlet zone” temperature
2. “Tunnel inlet zone” temperature
3. Tunnel belt speed
000 ÷ 230.
000 ÷ 230.
00 ÷ 99.
Values expressed in °C.
Values expressed in °C.
Values expressed in percentage:
00: minimum speed - 99: maximum speed.
Push button (3) and (4) to select the number of the program.
Press button (2) to access the programme on the display.
Through button (2) it is possible to look through the variables of the selected program, while through buttons (3) and (4)
the memorized values can be modified. To validate modifications, press button (2).
6.2.4. Switching machine off
Press STOP button (6).
Press this button to provide for the timed power off of the tunnel (resistances are powered off, the tape turns at the
minimum speed, but the fan wheel continues to work for about 3-4 minutes so as to enable the tunnel to cool down).
When the fan wheel and tape stop, turn main switch (1) and set it to 0.
6.2.5. Alarm messages
The electronic board detects series of alarms that are indicated on the display (7) by the following messages:
A 1
“Emergency pushbutton” alarm.
Emergency pushbutton (9) is held down.
Release the button by turning it to the right. Afterwards press START button (5).
A 2
“Inverter” alarm.
Check the failure coding on the inverter display arranged on the electrical installation.
Check for the reset procedure on the inverter user manual (supplied with the machine).
A 3
“Motor Thermal Switch” alarm
Check the correct operation of the fan wheel motor.
A 4
“Temperature” alarm.
The temperature has exceeded 230°C or the probe is interrupted.
Check the probe and the relating connections.
If the alarm remains after having carried out the indicated interventions and controls to restore the
machine, contact the technical assistance.
Summary of Contents for Tunnel 50 Twin
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