Worthington CS200 User Manual

CAUTION - SAFETY FIRST!
• REVIEW AND UNDERSTAND ALL SAFETY PROCEDURES IN THE “HANDLE WITH CARE”
BOOKLET BEFORE ATTEMPTING TO INSTALL, OPERATE OR PERFORM MAINTENANCE
ON THIS LN
2
CONTROLLER.
• DO NOT ATTEMPT TO USE OR MAINTAIN ANY LIQUID NITROGEN FREEZER UNTIL YOU
READ AND UNDERSTAND THESE INSTRUCTIONS.
• DO NOT PERMIT UNTRAINED PERSONS TO USE OR MAINTAIN THIS UNIT.
• IF YOU DO NOT FULLY UNDERSTAND THESE INSTRUCTIONS, CONTACT YOUR
SUPPLIER FOR FURTHER INFORMATION.
• BEFORE ATTEMPTING TO OPERATE THIS CONTROLLER WITH ANY WORTHINGTON
INDUSTRIES LABS OR K SERIES UNITS, YOU MUST READ THE SEPARATE OPERATING
AND SAFETY MANUAL PROVIDED WITH THAT UNIT.
CS200 Control Systems
LABS and K Series Cryostorage Systems
Operation & Maintenance Instructions

Worthington CS200 Specifications

General

Brand	Worthington
Model	CS200
Category	Control Systems
Language	English

Summary

CAUTION - SAFETY FIRST!

SAFETY PRECAUTIONS

GENERAL INFORMATION

CS200 Series Control System Specifications

Detailed specifications for the CS200 Control System, including electrical and sensor data.

INSTALLATION

OPERATION

Initial Fill Procedure

Procedure for the initial filling of the cryostorage system with liquid nitrogen.

CS200 Controller Display Guide

Operational Theory

How the CS200 Control System maintains LN2 level and monitors temperature.

Alarm Conditions

Description of various alarms the CS200 system can trigger and their causes.

Temperature Monitoring

How the CS200 system monitors temperature using thermocouples.

MAINTENANCE

CONTROLLER OPERATION

Normal Fill Cycle Description

Control Setting Adjustments

How to adjust level settings and sensor positions.

Features and Settings

Temperature Settings

Configuration options for thermocouple selection, calibration, and alarms.

Level Settings and Functions

Adjusting thermistor status, sensor positions, and valve durations.

System Settings

Temperature Control

How the CS200 system controls vapor temperature and its relation to LN2 level.

MENU SYSTEM NAVIGATION

FACTORY DEFAULTS

TROUBLESHOOTING

Troubleshooting Guide

Systematic approach to identifying and solving common problems.

Wiring Diagram

Installation and Set-up

Temperature Thermocouple Selection

Temperature Calibration

Procedure and reference points for calibrating temperature readings.

Alarms and Error Conditions

How the CS200 system handles alarms, including audible, visual, and remote alerts.

System Alarms Configuration

Data Logging Features

Adjusting Sensor Assembly

Procedure for adjusting sensor assembly for liquid level control.

Adjusting Level Settings

Setting low level alarm, start fill, stop fill, and high level alarm points.

Controller Will Not Turn ON

Steps to diagnose and resolve power-on issues.

High Liquid Level Issues

Diagnosing and resolving problems related to excessive liquid nitrogen levels.

Low LN2 Supply Indication

Troubleshooting steps for low liquid nitrogen supply issues.

Open Sensor Indication

Diagnosing and resolving issues related to open sensors.

Temperature Reading Warm

Troubleshooting temperature readings that are 10° to 20° warmer than expected.

Fill Solenoid Cycles On and Off

Diagnosing and resolving issues with the fill solenoid valve cycling.

Solenoid Excessive Humming Noise

Troubleshooting excessive humming noise from the solenoid valve.

Lid Open Alarm Troubleshooting

Confirming gap between lid switch sensors.

QCF Quick Chill Feature Not Operating

Troubleshooting the Quick Chill Feature.

Auto Defog Feature Not Operating

Troubleshooting the Auto Defog Feature.

Push Buttons Not Responding

Troubleshooting unresponsive push buttons, possibly due to moisture.

Incorrect Liquid Level Readout

Adjusting sensor assembly and controller for accurate liquid level readings.

Power Failure Alarm

Information on power interruption logging and remote alarm triggering.

PRODUCT WARRANTY INFORMATION