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6-31
Sterilizer Operation
Operating Instructions
129373-496
• Charge
– After the last prevacuum pulse, chamber charges with steam to
132°C (270°F).
• Sterilize
– Sterilize phase begins when chamber temperature is equal to
or greater than 132°C (270°F). Chamber temperature is printed every 2
minutes (or printed after each programmed print interval). The steam-to-
jacket valve is regulated to maintain the chamber at 132.8°C (271°F).
Duration of sterilize phase is approximately 3-1/2 minutes.
• Fast Exhaust
– Chamber is exhausted until chamber pressure reaches 4
psig.
• Vacuum Dry
– A vacuum is drawn in the chamber to the vacuum dry point.
• Dry
– Chamber continues to evacuate for 1 minute.
• Air Break
– Filtered air enters the chamber to relieve the vacuum within the
chamber.
• Retract Seal
– Steam is exhausted from the door seal.
• Complete
– The complete tone sounds and the cycle summary and end-
of-cycle messages are printed. Display returns to the main menu (screen
#1).
9. Once cycle is complete, open chamber door and unload test pack.
10. Forward the exposed test pack to appropriate personnel for examination.
6.9 Aborting Cycles
While running a processing cycle, it may be necessary to end (abort) the cycle
operation due to an incorrect cycle selection or a sterilizer malfunction.
A cycle can be aborted any time during normal unit operation. If a cycle is
aborted, the operator/supervisor must decide if the chamber load can be
reprocessed.
To abort a cycle in progress:
1. Press
ABORT
on the in-cycle status screen.
Pressing STATUS PRINT generates a
printout of the current sterilizer chamber
status.
9
GRAVITY CYCLE
PHASE:
STERILIZE
TIME LEFT IN PHASE:
4:00
CHAMBER:
132.0 C
29.0 psig
PROJECTED CYCLE COMPLETION TIME:
33:00
m:s
STATUS
ABORT
WARNING – BURN HAZARD:
Sterilizer, rack/shelves, and
loading car will be hot after
cycle is run. Always wear pro-
tective gloves and apron (also
a face shield, if processing liq-
uids) when removing a pro-
cessed load. Protective gloves
and apron must be worn when
reloading sterilizer following
the previous operation.
WARNING – SLIPPING HAZ-
ARD: To prevent falls, keep
floors dry by immediately wip-
ing up any spilled liquids or
condensation in sterilizer load-
ing and unloading areas.