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3.2 Special packaging:
·3.2.1 Gas flushing (option):
There is an atmospheric pressure of 1 kg/ sq. cm (14 lbs/sq. inch) upon products when
fully
evacuated.
Products which can be damaged by high pressure must be packaged
with a partial
vacuum,
or the pressure must be counterbalance by inflating the bag with
gas (nitrogen or carbon dioxide) before sealing after evacuation.
For gas flushing, the bags are placed on the sealing
bars,
the open end placed over
the gas nozzles mounted alongside the sealing
bar.
After
evacuation,
the vacuum
valve closes and the gas valve opens. Gas time (sec.) can be set in the program
menu.
The necessary gas tank and pressure valve mounted on tank is not supplied, The
pressure of the gas regulator should be set at approximately 1 /3
kg/sq.
cm
( 5
lbs/sq.inch.).
Each machine has an adaptor for gas connection when gas flush
option is
ordered.
3.2.2 Electrical bag cut (optional):
This option is used to obtain a package that the excess bagtail is cut off close to
the
seal (cannot be used with top and bottom sealing).
3.3 Vacuum packaging
operation:
Note:
Refer to the menus structure on page 14 and the keyboard detail on page
15.
3.3.1 Basics:
Use key "POWER" to power ON / OFF the vacuum packaging machine. When the
unit is
energized,
the identification of the last executed program is displayed on
LCD screen. To disconnect, use the "POWER" key to turn off the machine, then
remove plug from outlet. Do not unplug by pulling on
cord.
To
unplug,
grasp the
plug, not the
cord.
Unplug from outlet when not in use and before servicing or
cleaning.
Use the "ESC" key to change over from the programs menu to the functions menu
and from the functions menu to the programs menu.
In functions menu, use key "SELECT" to select a function and key
"ENTER" to accede and executed the selection.
In programs
menu,
use key "SELECT" to select a program and key
"ENTER" to accede and modify the selection.
In programs submenu, use key "ENTER" to pass over the parameters and point to
the following one; the parameters are blinking to point out the acquisition
mode.
A
return to programs menu is performed automatically following the last parameter
9
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