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Amsco Century User Manual

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OPERATOR MANUAL
Amsco
®
Century
TM
Medium Steam Sterilizer 26" x 37.5"
(04/27/11) P129373-496
Rev. 1Rev. 0

Table of Contents

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Amsco Century Specifications

General IconGeneral
CategoryLaboratory Equipment
TypeSteam Sterilizer
Sterilization MethodSteam
Control SystemMicroprocessor-based
Door MechanismAutomatic, vertical sliding or hinged
MaterialStainless steel chamber
Power RequirementsVaries by model

Summary

A WORD FROM STERIS CORPORATION

Service Information

Information related to Steris service and support.

Advisory

Important notes and recommendations for sterilizer use.

Indications for Use

Describes the intended applications and configurations of the sterilizer.

LISTING OF WARNINGS AND CAUTIONS

Electric Shock and Burn Hazard

Warnings about electrical hazards and burns during operation and servicing.

Personal Injury Hazard

Warnings regarding personal injury from bursting bottles during liquid cycles.

Burn Hazard

Procedures to prevent burns from hot bottles and fluids during liquid sterilization.

LISTING OF WARNINGS AND CAUTIONS

Explosion Hazard

Warning that the sterilizer is not designed for flammable compounds.

Slipping Hazard

Precautions to maintain dry floors in loading/unloading areas.

Personal Injury and Equipment Damage Hazard

Emphasizes need for qualified personnel and preventive maintenance.

Sterility Assurance Hazard

Potential compromise of load sterility if tests indicate problems.

LISTING OF WARNINGS AND CAUTIONS

Caution – Possible Equipment Damage

Cautions regarding gasket retraction, vacuum depth, and cleaner usage.

INSTALLATION VERIFICATION

Installation Checklist

A checklist to ensure the sterilizer installation is complete and correct.

Technical Specifications

Details on sterilizer dimensions, weight, utilities, and environment.

INSTALLATION VERIFICATION

Electrical Service

Specifies electrical service requirements and connections for the sterilizer.

Sterilizer Final Check

Performing final checks on the sterilizer before operation.

Cycle Operation

Verifying unit power-up and performing a leak test cycle.

INSTALLATION VERIFICATION

Overall Size

Provides the physical dimensions of the sterilizer in inches and millimeters.

Weight

Lists the weight of the sterilizer for different models.

Utility Requirements

Details the electrical and water utility requirements for the sterilizer.

INSTALLATION VERIFICATION

Environmental Conditions

Specifies the required ambient temperature, humidity, and pollution degree.

TECHNIQUES OF STERILIZATION

General

Provides general guidelines for sterilization and post-sterilization storage.

Recommended Sterilization Variables

Details recommended parameters for prevacuum, gravity, and liquid cycles.

TECHNIQUES OF STERILIZATION

Gravity Cycle

Information on items processed in the gravity cycle and its parameters.

Liquid Cycle

Recommended parameters for sterilizing liquids and media.

TECHNIQUES OF STERILIZATION

Recommendations for Sterilizing Liquids

Critical safety and procedural recommendations for liquid sterilization.

TECHNIQUES OF STERILIZATION

Recommendations for Enhancing the Sterilization Process

Strategies to optimize sterilization for various load types.

TECHNIQUES OF STERILIZATION

Control Measures for Verifying Sterilization Process

Methods for verifying the effectiveness of the sterilization process.

Biological Monitors

Guidance on using biological indicators for process verification.

Testing for Prevacuum Efficiency

How to test the air removal efficiency of prevacuum cycles.

TECHNIQUES OF STERILIZATION

Dart (Bowie-Dick) Test

Procedure for conducting the daily Dart (Bowie-Dick) test.

Vacuum Leak Test

Performing the vacuum leak test to check system integrity.

COMPONENT IDENTIFICATION

Main Power Disconnect Switch

Identifies the main power disconnect switch and its function.

Supply Valves

Locates and explains the steam and water supply valves.

COMPONENT IDENTIFICATION

Control Panel

Overview of the sterilizer's main control panel.

Touch Screen

Details on operating and programming the sterilizer via the touch screen.

COMPONENT IDENTIFICATION

Printer

Describes the printer's function, print formats, and operation.

COMPONENT IDENTIFICATION

Unload End Control Panel (Double Door Units)

Describes the control panel located on the unload end for double-door units.

COMPONENT IDENTIFICATION

Hinged-Door Operation

Instructions for opening and closing the hinged sterilizer door.

COMPONENT IDENTIFICATION

Horizontal-sliding Door Operation

Instructions for operating the horizontal-sliding sterilizer door.

COMPONENT IDENTIFICATION

Emergency Door Opening Procedure

Step-by-step guide for opening the sterilizer door in an emergency.

CONTROL INTERFACE

General

Explains touch screen operation and screen identification numbers.

CONTROL INTERFACE

Cycle Select Menus

Navigating menus to select processing and test cycles.

Processing Cycles

How to select preprogrammed processing cycles.

CONTROL INTERFACE

Test Cycles

How to select and initiate test cycles like Leak Test and Dart Test.

CONTROL INTERFACE

Out-of-cycle Options Menus

Accessing functions that can be performed when the sterilizer is not running a cycle.

STERILIZER OPERATION

Before Operating Sterilizer

Essential daily checks and procedures before operating the sterilizer.

STERILIZER OPERATION

Loading/Unloading Sterilizer: Rack and Shelves

Procedures for loading and unloading using racks and shelves.

STERILIZER OPERATION

Loading Car Instructions: Loading

Step-by-step guide for loading the sterilizer chamber with a loading car.

STERILIZER OPERATION

Loading Car Instructions: Unloading

Step-by-step guide for unloading the sterilizer chamber with a loading car.

Prevacuum Cycle Operation

Detailed instructions for operating the prevacuum cycle.

STERILIZER OPERATION

Gravity Cycle Operation

Detailed instructions for operating the gravity cycle.

STERILIZER OPERATION

Liquid Cycle Operation

Detailed instructions for operating the liquid cycle.

STERILIZER OPERATION

Leak Test Cycle Operation

Procedure for performing the vacuum leak test cycle.

STERILIZER OPERATION

Dart® Warm-up Cycle Operation

Procedure to prepare the chamber for the DART test.

STERILIZER OPERATION

Dart® Test Cycle Operation

Detailed instructions for performing the Dart (Bowie-Dick) Test cycle.

STERILIZER OPERATION

Aborting Cycles

Procedure for ending a cycle prematurely due to selection error or malfunction.

ENTERING ACCESS CODE

Sterilizer Usage Locked Out

Steps for entering the access code to unlock sterilizer usage.

ENTERING ACCESS CODE

Change Values Menu Locked Out

Steps for entering the access code to access the Change Values menu.

PROGRAMMING CYCLE VALUES

Access Cycle Menu – Change Cycle Values

How to navigate to the menu for modifying preset cycle values.

PROGRAMMING CYCLE VALUES

Change Values Procedure

A step-by-step example of changing cycle values for a prevacuum cycle.

PROGRAMMING OPERATING PARAMETERS

Access Change Values Menu

Steps to access the menu for modifying operating parameters.

PROGRAMMING OPERATING PARAMETERS

Time/Date

Procedure for adjusting the sterilizer's programmed time and date settings.

PROGRAMMING OPERATING PARAMETERS

Too Long In Phase

How to adjust values that monitor the length of specific cycle phases.

PROGRAMMING OPERATING PARAMETERS

Setup

Options for configuring units, signals, shutdown, and printer settings.

PROGRAMMING OPERATING PARAMETERS

Temp/Pres Units

How to select temperature and pressure units for display and printouts.

PROGRAMMING OPERATING PARAMETERS

Audible Signals

Adjusting volume levels for alarm, end-of-cycle, and touchpad tones.

PROGRAMMING OPERATING PARAMETERS

Utility Shutdown

Programming automatic shutdown and restart of utility services to conserve energy.

PROGRAMMING OPERATING PARAMETERS

Print Format

Selecting the format for printing cycle data.

PROGRAMMING OPERATING PARAMETERS

Duplicate Print

Enabling an additional printout of cycle data at the end of each cycle.

PROGRAMMING OPERATING PARAMETERS

Turn Off Printer

Option to disable all printer operations.

OUT OF CYCLE OPTIONS

General

Overview of functions accessible when the sterilizer is not running a cycle.

OUT OF CYCLE OPTIONS

Status Print

Generating a printed record of the current chamber status.

OUT OF CYCLE OPTIONS

Duplicate Print

Generating a duplicate printout of the last completed cycle.

Paper Feed

Manually advancing the printer paper by one line.

OUT OF CYCLE OPTIONS

Change Values

Accessing the menu to program cycle values and operating parameters.

Display Values

Viewing the current programmed cycle values and operating parameters.

OUT OF CYCLE OPTIONS

Cycles

Viewing the programmed values for a specific cycle.

OUT OF CYCLE OPTIONS

Time/Date

Viewing the currently programmed time and date settings.

OUT OF CYCLE OPTIONS

Too Long in Phase

Viewing the programmed "too long in phase" values for cycle phases.

Setup

Viewing the currently programmed setup values.

OUT OF CYCLE OPTIONS

All Values

Generating a printout of all programmed values.

OUT OF CYCLE OPTIONS

All Values Changed

Generating a printout of values changed since the last modification.

A Particular Cycle

Generating a printout of values for a selected cycle.

OUT OF CYCLE OPTIONS

Standby

Manually switching the sterilizer from operating to standby mode.

OUT OF CYCLE OPTIONS

Display Sensors

Viewing current temperature and pressure readings from sterilizer sensors.

OUT OF CYCLE OPTIONS

Supervisory

Accessing the supervisory mode for advanced functions and settings.

OUT OF CYCLE OPTIONS

Change Customer Name

Changing the customer name displayed on the sterilizer.

OUT OF CYCLE OPTIONS

Change Sterilizer ID

Changing the sterilizer identification number.

OUT OF CYCLE OPTIONS

Default Values

Resetting all cycle values and parameters to factory defaults.

Change Access Codes

Activating and programming access codes for menu access.

OUT OF CYCLE OPTIONS

Display Access Codes

Viewing the programmed access codes for each operator.

OUT OF CYCLE OPTIONS

RS-232 Interface

Downloading cycle data to a computer or printer via the RS-232 port.

OUT OF CYCLE OPTIONS

Override Interlocks

Overriding door interlocks for double-door units to allow simultaneous door opening.

SERVICE MODE

ROUTINE MAINTENANCE

Preventive Maintenance Schedule

A schedule outlining regular maintenance tasks and frequencies.

ROUTINE MAINTENANCE

Clean Chamber Drain Strainer

Procedure for cleaning the chamber drain strainer to prevent clogs.

Clean Chamber

Instructions for cleaning the interior of the sterilizer chamber.

ROUTINE MAINTENANCE

Flush Chamber Drain

Procedure for flushing the chamber drain line when it becomes clogged.

ROUTINE MAINTENANCE

Change Printer Paper Roll

Step-by-step instructions for replacing the printer paper roll.

ROUTINE MAINTENANCE

Change Printer Ink Cartridge

Procedure for replacing the printer ink cartridge when print quality degrades.

ROUTINE MAINTENANCE

Replace Door Seal

Procedure for replacing the sterilizer door gasket due to wear.

TROUBLESHOOTING

General

Overview of alarm conditions and touch screen operations during troubleshooting.

Typical Alarm Screen

Example of an alarm screen, detailing its components and functions.

TROUBLESHOOTING

Typical Alarm Printout

Example of a typical alarm printout generated by the sterilizer.

In-Cycle Alarms

Describes alarms that may occur while a cycle is in progress.

Too Long In Charge

An alarm indicating the chamber did not reach temperature in time.

TROUBLESHOOTING

Too Long In Exhaust

Alarm for failure to exhaust the chamber to atmospheric pressure within the specified time.

Too Long In Evacuation

Alarm for failure to reach the required evacuation level within the allotted time.

TROUBLESHOOTING

Too Long In Air Break

Alarm for failure to air break the vacuum to 2 inHg within the allotted time.

TROUBLESHOOTING

Under Sterilize Temperature

Alarm when chamber temperature drops below the sterilize temperature set point.

TROUBLESHOOTING

Over Sterilize Temperature

Alarm when chamber temperature exceeds the maximum sterilize temperature.

TROUBLESHOOTING

Door Unsealed

Alarm indicating low steam pressure in the door seal.

Chamber Pressure/Temperature Failure

Alarm when chamber pressure or temperature readings are abnormal.

TROUBLESHOOTING

Exhaust Rate Too Slow

Alarm for a slow exhaust rate during the liquid cycle.

Reference Deviation Alarm

Alarm indicating a deviation between temperature probes.

TROUBLESHOOTING

Door Switch Failure

Alarm related to the door switch engagement and state.

TROUBLESHOOTING

Too Long To Open Door

Alarm for the door switch not opening within the allotted time.

Pressure In Chamber

Alarm indicating pressure sensed in the chamber when not in a cycle.

TROUBLESHOOTING

Display Error

Alarm indicating a communication failure with the display screen.

Atmospheric Pressure Alarm

Alarm for atmospheric pressure deviation from the calibrated value.

TROUBLESHOOTING

Water In Chamber

Alarm indicating excess water sensed within the sterilizer chamber.

Too Long In Jacket Charge

Alarm when the jacket temperature does not reach the set point within the allotted time.

TROUBLESHOOTING

Too Long To Seal Door

Alarm for the door seal not reaching 5 psig within the allotted time.

TROUBLESHOOTING

Too Long To Unseal Door

Alarm for door seal pressure not dropping below 5 psig within the allotted time.

Chamber Pressure Transducer Failure

Alarm indicating a failure of the chamber pressure transducer.

TROUBLESHOOTING

Chamber Temperature Probe Failure

Alarm indicating a failure of the chamber temperature probe.

TROUBLESHOOTING

Jacket Temperature Probe Failure

Alarm indicating a failure of the jacket temperature probe.

Door Switch Failure

Alarm related to the door switch engagement and state.

SERVICE PROCEDURES

General

Overview of servicing procedures and safety precautions for technicians.

Air Filter Replacement

Procedure for replacing the sterilizer's bacterial air filter cartridge.

Clean Strainers

Instructions for cleaning strainers to maintain proper flow and pressure.

SERVICE PROCEDURES

Steam Trap Replacement

Procedure for replacing the steam trap assembly.

Clean or Replace Piping Check Valves

Cleaning valve seats or replacing check valves for proper operation.

Rebuild Solenoid Valves

Instructions for rebuilding solenoid valves using a repair kit.

SERVICE PROCEDURES

Safety Valve Test

Procedure for periodically testing the safety relief valve.

Recommended Spare Parts

Guidance on ordering replacement parts and supplies.

SERVICE PROCEDURES

Waste Products Disposal

Guidelines for the proper disposal of sterilizer waste materials.

SERVICE MODE

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