Shellab SVAC4-2 User Manual
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5.6
FUSE: Mounted on the rear wall next to the power cord, provides protection for
the unit’s electrical circuitry
against over current conditions. The fuse, when blown, must be replaced before the unit can continue operation.
Match the fuse ratings with those on the fuse data plate.
5.7
VACUUM: This adjustment handle allows opening and closing of the vacuum valve to an external vacuum
pump or system.
5.8
VENTILATION: This adjustment handle controls the amount of ventilation to the chamber as when using a
purge gas. This valve must be closed (completely clockwise) when the unit is in the vacuum mode.
5.9
VACUUM GAUGE: This digital gauge indicates the chamber operating vacuum. Your unit may be equipped
with either a SUNX or Autonics device.
See Appendix for instructions on how to set the “unit” scale.