ASP sterrad NX, Service & Troubleshooting Manual

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Functional Description
Access Panels
The top module is covered by three access panels: the front top panel, the
top panel, and the rear top panel. All are attached to the chassis by
screws. They must be removed and reattached in a specified order, as
some panels cover access to screws securing other panels.
Display Assembly
The display assembly provides the graphical user interface. The user can
interact with the sterilizer by reading system information and cycle status
information and entering information and configuring the system through
the touch-screen.
Cassette Drawer
The cassette drawer holds a disposal box and up to three depleted
sterilant cassettes. The cassette drawer can be pulled out and removed
from the top module by releasing the retaining catch at the top rear end
of the drawer.
Delivery System
The delivery system accepts a cassette from the user, positions each of
the cassette’s 10 cells in the hydrogen peroxide extractor assembly,
delivers hydrogen peroxide solution from the cell to the vaporizer,
isolates the vaporizer from the atmosphere, and disposes of used
cassettes.
Vaporizer/Condenser
The vaporizer/condenser subsystem is connected between the delivery
system and the chamber. The vaporizer receives hydrogen peroxide
solution from the delivery system and vaporizes the liquid hydrogen
peroxide and water. The condenser condenses the hydrogen peroxide
vapor while allowing the water vapor to pass through the chamber. The
condenser vaporizes the hydrogen peroxide and delivers the vapor to the
chamber. The vaporizer pressure transducer monitors the pressure of the
vapor in the vaporizer/condenser assembly.
Power Inlet Connector
The power inlet connector provides an attachment point for the cord set
and holds the cord set in contact with the connector with a removable
wire retainer. The inlet connector is located on the rear of the top
module.
28 STERRAD
®
NX
™
Service Guide