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4.3.2 Starting a sterilization cycle
Press the key START/STOP to start the selected cycle.
The programs 3 and 8 do not warrant the Class B sterilization; to start these types of cycle, hold down
the key START longer than 3 seconds
It is possible to program a delated starting of the cycle: hold on the START button longer than 8 sec-
onds, the display will show HOUR DELAY, using UP and DOWN select the time delay in hours than
push START; the unit will turn off indicating the residual time before to start; the chamber will cool. It is
possible to delete this action turning on the unit with POWER
For unwrapped solid instruments we recommend to use the cycle 3 In this way the sterilization time will be
faster, and power consumption reduced.
The door is locked and stays locked throughout the cycle duration.
The sterilizer starts and runs the cycle phases automatically. The various steps of the cycle are microproces-
sor controlled and sequentially shown on the display; in this way the operator can monitor the progress of the
sterilization phases and the times.
Vacuum phase (water entry in the chamber and pre-vacuum pulses)
During this phase the microprocessor enables the vacuum pump and enters a water dose in the
chamber. The icon Vacuum is flashing. This phase will be repeated more times and should require 10
to 20 minutes depending on the chamber conditions and load type to be processed. This phase may
be slightly noisy.
Sterilize
Reached the preset parameter values, icon Vacuum turns off and Led Sterilize turns on. The display
time starts the countdown marking the time remaining to the end of the sterilization phase.
The sterilization phase is followed by the decompression phase, the pressure decreases to 0. Again,
the display shows the countdown of the decompression phase. Based on our experiences, the decom-
pression time has been slightly extended in order to minimize the thermal shock consequent to the sta-
tus change of the steam.
Drying
Over the decompression phase, Sterilize icon starts to flash to signal the completion of the steriliza-
tion process. At the same time Dry turns on, signalling the start of the drying phase. Throughout this
phase, the chamber heaters keep the chamber warm according to a microprocessor-controlled logic,
the vacuum pump comes again into operation to eliminate the residual moisture. The display shows
the countdown of this phase. Follows the forced ventilation phase through the bacterial filter – the dis-
play shows also the countdown of this phase.
End of the cycle
As soon as the drying is over, Dry turns off and Ready and Sterilize turn on. A 10-second alert signal
is generated to draw the attention by the operator. The chamber heaters are set at reduced power
(pre-heating, only if ECO MODE is not selected) until the door is open. The TIME display shows the to-
tal time of the cycle, the displays TEMP. and PRESS show respectively the current temperature and
pressure of the chamber.
At the end of cycle 3 or 8 only the Led READY will light and not STERILIZE to signal that
the cycle selected by the operator does not warrant a Class B sterilization; the display will
show the cycle counter.
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