Tecno-gaz ONYX B 7.0 Manual Tecnico página 102

ENGLISH
PHASE 4: SECOND VACUUM AND WATER INLET (VACUUM 2)
The autoclave activates the vacuum pump (F) and the status of EV5 change in on.
Thanks to the change of EV3 in on, the air is suctioned from the chamber of sterilization.
During the phase of reaching of vacuum, EV6 activates and deactivates for cooling and
for cleaning the surface of the membranes of the vacuum pump.
EV2 EV3 EV4 EV5 EV6 EV7
OFF ON OFF ON ON (3 times at intervals -0.2bar / -0.4bar / -0.6bar) OFF
Once the negative pressure to -0.84 bar is reached, EV3 closes (off), the vacuum pump
stops working and the valve EV4 opens (on) to enable the inlet of water into the chamber
from the clean water tank (E). The quantity of water is read by the flowmeter; when the
correct quantity of water is reached, EV4 closes (off).
EV2 EV3 EV4 EV5 EV6 EV7
OFF OFF ON ON OFF OFF
WATER TABLE INLET
Quantity of water for phase: ~260ml. Total quantity of water: ~550ml.
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