Taylor TW-357 manual General Information, Text Format Notation

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TW-357 REV E

GENERAL INFORMATION

Thank you for purchasing this product. This state of the art CRYOSTORAGE SYSTEM can control either the liquid level and/or the vapor temperature range. The features are designed to provide a safe environment for samples while at the same time tracking all relevant information associated with the freezer. This control provides a complete historical record of the environment in your freezer and therefore, the environment in which your samples have been stored.

Text Format Notation

In this owner’s manual we use some special text formats to denote certain portions of the system. These are listed below:

Menu is indicated in ALL CAPS BOLD.

Actual Menu Choices are indicated in ALL CAPS.

Start Fill and Stop Fill sensor are indicated in ALL CAPS ITALICS.

Specific Menu Descriptions under a main category are listed in Italics.

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Taylor-Wharton LABS CryoStorage Systems are designed for applications where extremely low temperature storage of biological products is required. They are also appropriate for industrial or other applications where liquid nitrogen temperatures and high capacity are needed.

The LABS style refrigerator covered by this publication is designed for, but not limited to, the laboratory environment. Each model is supplied with casters to enable limited mobility for cleaning and positioning purposes.

The standard model is also equipped with the KRYOS electronic liquid level controller that will monitor and control the supply of liquid nitrogen to the unit. The controller features a vacuum fluorescent display. The addition of a liquid nitrogen supply and inventory control racks for systematic retrieval of stored product completes the total cryostorage system.

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Contents Labs TW-357 REV E Installation Table of ContentsKeep Equipment Area Well Ventilated Safety Precautions for Liquid NitrogenExtreme Cold Cover Eyes and Exposed Skin Liquid Nitrogen SystemFreight Damage Precautions Dispose of Waste Liquid Nitrogen SafelyElectrical General Information Text Format NotationLabs Cryostorage Specifications Kryos Specifications Liquid Nitrogen Supply Connection InstallationUnpacking and Inspection Repackaging for ShipmentPower Supply Connection Kryos Control Field InstallationOperation Initial FillSensor Assembly Control ComponentsInterface Panel Remote Alarm Lid SwitchBattery Backup Solenoid ValveLiquid Phase Storage Operating ParametersAdding an Inventory Control System Thermocouple PositioningRacks are not Square Orientation is Important Inventory Control System Layouts Labs Cryostorage SystemLABS-80K LABS-40K Fenwal 4R59953 Blood Bag Rack Arrangements Fenwal 4R5462 9955 Blood Bag Rack Arrangements Introduction PowerControl Operation Normal Fill CycleMain Display Screen Menu SystemHigh Temperature 4.1 Valve Open Test Temperature System Temperature Thermocouple SelectCalibrate Temperature Help ScreensAlarms and Error Conditions Sensor TypeSystem Alarms Test AlarmsLogging Error Logs Dump LogsErase Logs Temperature LogsSystem Logs SecurityTemperature Control Settings Lid Switch SetupControl By Temperature Control TemperatureSerial Communications and RS-232 Settings User Access LogsTime and Date Set Valve Monitoring Control RangeFreeze-Guard Options Valve Open DurationDisplay Brightness Control On Battery Backup VersionSolenoid Valve About this ControlBattery Life Interface SoftwareMaintenance Strainer Cleaning InstructionsDefrosting Your LAB-Series CryoStorage System Cleaning Your Taylor-Wharton CryoStorage System Making Adjustments to the Labs Kryos Sensor Assembly Offset Value Default Start Fill / Stop Fill Default Auto DefogKryos Kryos V9.0 & Kryos V9.0B Level Readings Units of measureRemoving/Installing the Solenoid Valve Ohms to 18 K ohmsSensor Plug Schematic Pin View SchematicsLabs Plumbing Assembly Plumbing AssemblyController Will Not Turn on TroubleshootingSymptoms Indicates High Liquid LevelTemperature reading 10 to 20 degrees warm Indicates Low LN2 SupplyIndicates Open Sensor Fill Solenoid Cycles On and Off Lid Open AlarmQCF Quick Chill Feature Will Not Operate Fill Solenoid Makes Humming NoisePush Buttons Will Not Respond Defog Feature Will Not OperatePower Failure Alarm Liquid Level Readout is IncorrectFactory Settings Replacement Parts Level Controller Electrical/Mechanical Parts80K/40K/20KTaylor-Wharton Technical Services. Phone 800-898-2657 Fax Harsco Corporation