Coltene SciCan BRAVO G4, Technical & Service Manual

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Sterilizers Bravo G4
- TECHNICAL MANUAL
26
FUNCTIONING EN
4.7. 3rd VACUUM PHASE
This phase, which precedes the PROCESS phase, includes the direct steam and condensate drainage followed by a
forced decrease down to - 0.80 by means of the vacuum pump.
In order to make it easier to reach the value of -0.80 bar, solenoid valve EV2 is activated for 5”.
3
st
VACUUM PHASE - component activation status
ST
AT
U
S
EV1
High
drain
(N.O.)
EV2
Air inlet
(N.C.)
EV3
Low
drain
(N.C.)
EV4
Drain
deflector
(3V)
EV5
Chamber
air inlet
(N.C.)
FAN
W
AT
ER
PU
MP
–
EV6
VA
CUUM
PU
MP
C
H
AMBER
T
U
BE
BUNDL
E
H
EAT
IN
G
EL
EMEN
T
G
ENE
RA
TO
R
HE
AT
ING
EL
EMEN
T
Hydraulic Circuit
pressure
compens.
On
closed
On
open
Off
closed
On (1)
Off
closed
ON OFF ON ON OFF
Direct steam
drainage
On
closed
Off
closed
Off
closed
Off (2)
Off
closed
ON OFF ON ON ON
Direct
condensate drain
On
closed
Off
closed
On
open
Off (2)
Off
closed
ON OFF ON ON ON
Decrease from
0.10
to -0.80 bar
Off
open
Off
closed
On
open
On (1)
Off
closed
ON OFF ON ON ON
134°C B Cycle - 4 mins. (ROW versions only)
132°C/270°F Hollow Wrapped Cycle - 4 mins.
(
US/CA versions only)