VACUUM CHAMBER
PACKAGING MACHINES
50
Operation and maintenance manual / Ed. 10 - 2005
REV. 00 - Cod.: 1500154
GB
GB
GB
5.5 DEFINITIONS OF THE FUNCTIONS
5.5.1 VACUUM FUNCTION (VAC)
VERSIONS WITH ELECTRO-MECHANICAL CONTROL
The VAC function is timed and expressed in seconds.
The factors that determine the time setting are as follows:
a) Volume of air to be extracted from the chamber;
b) Extent of oil usage: the pump performance reduces with increase in the number of operating hours and resulting in deterioration of the
oil characteristics.
Once the maximum volume is reached (indicated by the vacuum gauge (1) as -1.0 bar) the pump must continue to run for another 10 seconds to obtain
the maximum possible vacuum.
The VAC time setting must be suitable for actual operating conditions. If the product dimensions change with each packaging cycle, just carry out a
test run without product inside the chamber and keep the value set as valid for achieving the maximum possible vacuum in these conditions. If
packaging of products having the same dimensions is to be repeated, carry out the test run with the product-type inside the chamber, with a suitable
number of insertion plates.
VERSIONS WITH DIGITAL CONTROL
a)Models with vacuum sensor (percentage programming).
The machine is provided with a sensor which measures the quantity of vacuum (or the depression) created inside the chamber: this quantity is
expressed in percentage. The maximum value that can be obtained is 99%. The parameter is set using the VAC key. In models VM18, VM19, VM20,
VM1800, VM53 andVM30, once maximum vacuum is achieved, a supplementary vacuum creation time can be added using the VAC+ key,
expressed in seconds, useful for obtaining the maximum possible vacuum. In models VM12 and VM16, the VAC+ can be set by pressing the SEL
key after the VAC function programming. THE VAC+FUNCTION CAN ONLY BE ACTIVATED IF THE VAC PARAMETER HAS BEEN SET AT 99%.
INSTALLATION
VM18/VM18H/VM53/VM53H/VM19/VM1800/VM20/VM30 WITH DIGITAL CONTROLS
1 VACUUM GAUGE ( 0÷1 bar ): MEASURES VACUUM IN THE VACUUM CHAMBER.
2 THREE-DIGIT DISPLAY
1° DIGIT TO THE LH: INDICATES THE PROGRAM NUMBER ENTERED
2° AND 3° DIGIT: INDICATE THE VALUE RELATIVE TO THE FUNCTION ACTIVATED
• WHEN SWITCHED ON, THE MACHINE’S OPTIONAL FUNCTIONS ARE DISPLAYED.
G = GAS S = SOFTAIR J = JARS
• DISPLAY FUNCTION ENTERED:
VAC =VACUUM
SAL = SEALING
GAS = GAS INLET
SOF = SLOW AIR RETURN
JAR = JARS FUNCTION - (EXTERNAL CONTAINERS AND CHANNELLED BAGS VACUUM).
• ALSO INDICATES THE NUMBER OF CYCLES CARRIED OUT AND THE OIL CHANGE ALARM.
3 CURSOR PROGRAMS SELECTION:
INCREASES/DECREASES THE VALUES OF THE INDIVIDUAL FUNCTIONS IN THE PROGRAM
4 PROG PROGRAMMING KEY: MAKES IT POSSIBLE TO ENTER FUNCTIONS PROGRAMMING
5VAC VACUUM PROGRAMMING KEY:
MAKES IT POSSIBLE TO ENTER THE VACUUM FUNCTION PROGRAMMING OR TO DISPLAY THE VALUE
6 VAC+ SUPPLEMENTARY VACUUM PROGRAMMING KEY: MAKES IT POSSIBLE TO ENTER THE SUPPLEMENTARY VACUUM FUNCTION
PROGRAMMING OR DISPLAY THE VALUE
7 SEAL SEALING TIME PROGRAMMING KEY:
MAKES IT POSSIBLE TO ENTER THE SEALING FUNCTION PROGRAMMING OR DISPLAY THE VALUE;
MAKES IT POSSIBLE TO STOP THE ACTIVE OPERATING PHASE AND PROCEED WITH THE NEXT ONE
8 GAS GAS PROGRAMMING KEY:
MAKES IT POSSIBLE TO ENTER THE GAS FUNCTION PROGRAMMING OR DISPLAY THE VALUE
9 SOFTAIR SOFTAIR PROGRAMMING KEY:
MAKES IT POSSIBLE TO ENTER THE SOFTAIR FUNCTION PROGRAMMING OR DISPLAY THE VALUE
10 PUMP JARS OR PUMP FUNCTION START-UP KEY: MAKES IT POSSIBLE TO START-UP WORKING OF THE PUMP
FOR VACUUM IN EXTERNAL CONTAINERS/ CHANNELLED BAGS OR FOR CONTINUOUS PUMP OPERATION
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