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The VirTis Wizard2 Freeze Dryer Control System from Biopharma was developed to provide full process
automation with complete recipe management and full alarming.
Wizard handles single or multiple refrigeration compressor applications. Its powerful microprocessor
is fast enough to handle multiple temperature transducers, while providing instantaneous alarm for
out-of-designed-cycle conditions.
Users can select any of 16 recipes each with up to 12 freezing steps and 16 primary drying steps as
shelf-hold or shelf-rate and a centre-stage LCD display precisely plots the shelf profile of the directed
shelf temperature. The display provides a progress bar graph and, by continually scanning all configured
transducers indicates the out-of-tolerance condition if an alarm occurs. To prevent product warming
during the condenser and vacuum phases, the Wizard control can be configured in a Special Freeze Assist
mode.
Wizard2's unique configuration and validatable software allows the freeze-drying cycle to be either
shelf-driven or product-driven, depending on which best suits the quantity and type of product. Wizard2
can accommodate up to 8 type-T product thermocouple probes. With vacuum control steps linked to each
primary drying step, progress can be easily monitored through a status window that automatically scans
phase data and all selected transducers. The system offers standard inert gas solenoid, vacuum pump control,
or power saver pressure control.
Optional Wizard2 software allows connection to a PC to create a powerful workstation package for control,
data collection and manipulation.
For more information on the Wizard 2 control system,
click here. (pdf format)
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