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CHART MVE 1426 User Manual

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Chart Cryogenic Freezers
with MVE TEC3000 Controllers
Operating and Maintenance Manual

Table of Contents

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CHART MVE 1426 Specifications

General IconGeneral
ModelMVE 1426
TypeFreezer
Capacity1426 liters
Power Supply220-240V, 50Hz
RefrigerantNitrogen

Summary

Safety and First Aid

Liquid Nitrogen Safety

Important hazards and precautions when handling LN2 and cryogenic freezers.

Product Information

Installation and Startup

TEC 3000 Operation

Functions and Features

Overview of TEC 3000 functions like level measurement, alarms, and communication.

Liquid Nitrogen Level Measurement

Explains the differential pressure sensor system for measuring LN2 level.

Automatic Liquid Nitrogen Level Control

Details the automated LN2 level control system and its parameters.

Temperature Measurement

Describes the use of Pt-1000 RTD probes for temperature measurement.

User Defined Alarms

Lists and describes the 18 audible/visual alarms for freezer monitoring.

Passwords and Security

Explains the multilevel security system with up to 10 passwords.

Adjusting Settings and Options

How to access and adjust various settings and options on the TEC 3000.

Temperature Settings

How to access and adjust temperature alarm and setting parameters.

Liquid Level Settings

Procedure to adjust LN2 level setpoints and alarms for auto fill.

Preventative Maintenance

Troubleshooting Quick Reference

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