(4) Phase 17: heat/exposure. 1SOL and 5SOL are opened. Steam
pressurizes the chamber. When the selected exposure temperature is reached (as
sensed by the temperature transducer in the chamber drain line), the exposure time
begins. 1SOL de-energizes (closes) and energizes (opens) as necessary to maintain
the selected exposure temperature. When the exposure time for a Liquids cycle
expires, 1SOL and 5SOL remain energized (opened), and 8SOL is de-energized
(5) Phase 29: slow exhaust. The jacket pressure is released to the
chamber through 1SOL, and the chamber pressure is slowly released through 2FCV
until atmospheric pressure is reached.
Phase 30. 2SOL is energized for a timed period (approximately 20
(7) Phase 35: gasket retract (single door units). 10SOL is de-energized
(closed to steam/opened to the ejector). 6SOL is energized (opened). Water to the
ejector creates a negative pressure in the gasket groove, retracting the door gasket
within 30 seconds. The complete buzzer then sounds and shuts off after you open the
door or one minute has elapsed.
(8) Phase 35: gasket retract (double door units). The complete buzzer
sounds and shuts off after you press either unseal door switch or one minute has
elapsed. Press the desired unseal door switch to de-energize (closes to steam/opens
to the ejector) the gasket solenoid valves (10SOL and 11SOL). 6SOL is energized
(opened). Water to the ejector creates a negative pressure in the gasket grooves,
retracting the door gaskets within 30 seconds, and the doors can be opened.
d. Vacuum Leak Test Cycle. Perform the vacuum leak test when 79 appears
in the digital display. Refer to figure 1-14.
(1) Control On. This switch energizes (opened to steam supply) 8SOL.
Steam enters and heats the jacket to the selected temperature. The jacket transducer
maintains temperature by energizing and de-energizing 8SOL.
(2) Seal door. 10SOL is energized (opened to steam/closed to the ejector)
on single door units. 10SOL (control end) and 11SOL (remote end) are energized on
double door units. The gasket groove(s) is/are pressurized, sealing the chamber. Do
not select a cycle.
(3) Phase 15: purge. Press the cycle start switch to start. After a 5 second
delay, 1SOL, 2SOL, and 6SOL are energized. Steam enters the chamber from the
jacket through 1SOL and purges the chamber of air through 2SOL to the ejector. After
one minute, 2SOL and 6SOL are de-energized (closed), and purge is complete.