Thermo Electron 995 Operating And Maintenance Manual

Thermo Electron 995 Operating And Maintenance Manual

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900 Series
Forma -86C ULT Freezer
Operating and Maintenance Manual
Manual No: 7010902 Rev. 8

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Summarization of Contents

Section 1 - Installation and Start-up
Freezer Components
Lists and illustrates the main components of the freezer unit.
Control Panel Overview
Explains the keys, displays, and indicators on the control panel.
Keypad Operation
Details how to operate the freezer using the control panel keypad.
Freezer Installation
Details steps for installing the freezer, including location and bumpers.
Freezer Start-Up
Guides on starting the freezer, setting temperature, and alarms.
Run Mode
Describes the freezer's run mode and how to view operating parameters.
Section 2 - Calibrate
Calibration Mode
Explains how to enter calibration mode and calibrate the control probe.
Calibrating the Control Probe
Steps for calibrating the control probe using a thermocouple reader.
Section 3 - Alarms
Alarm System Overview
Details all available alarms, their delays, ringback, and relay status.
Specific Alarm Conditions
Explains conditions for Wrong Power, High Stage System Failure, Probe Failure, and Voltage Compensation alarms.
Section 4 - Maintenance
Cabinet Exterior Cleaning
Instructions for cleaning the cabinet exterior and air filter.
Air Filter Cleaning
Steps for cleaning or replacing the air filter for optimal airflow.
Condenser Cleaning
Guides on cleaning the condenser, including water-cooled options and CIP procedure.
Chamber Defrosting
Procedures for safely defrosting the freezer chamber and cleaning the interior.
Door Gasket Cleaning
Instructions for cleaning door gaskets to ensure a proper seal.
Vacuum Relief Port Maintenance
How to clean and maintain the vacuum relief port to prevent issues.
Battery Replacement
Guides on replacing the freezer's battery and its maintenance.
Unit Storage Preparation
Steps for preparing the unit for storage, including defrosting and power disconnection.
Section 5 - Factory Installed Options
BUS Back Up System
Details installation and operation of the Back Up System (BUS) for temperature maintenance.
Chart Recorder Operation
Instructions for installing chart paper and calibrating the chart recorder.
Datalogger Information
Information on using dataloggers for temperature monitoring and documentation.
Water-Cooled Condenser Option
Specifications and installation notes for the water-cooled condenser option.
Five Inner Door Option
Information on the five inner door option for specimen shelves.
Section 6 - Specifications
Single Door Specifications
Technical specifications for single-door 900 Series freezer models.
Double Door Specifications
Technical specifications for double-door 900 Series freezer models.
Product Certifications
Details about product certifications and compliance standards.
Safety Specifications
Information on operating environment, altitude, temperature, and humidity requirements.
Section 7 - Spare Parts
Parts Identification and Bill of Materials
Lists part numbers, descriptions, and diagrams for freezer components.
Section 8 - Refrigeration Schematics
Cascade Refrigeration System
Diagrams and technical details of the cascade refrigeration system.
Section 9 Electrical Schematics
Power Connection and Electrical Schematics
Details power connection requirements and electrical schematics for the freezer.
Section 10 - Warranty
Standard Freezer Warranty
Explains the warranty terms for Thermo Electron Corporation 900 & 8600 Series ULT Freezers.
International Dealer Warranty
Details the international dealer warranty terms for the ULT freezer series.
Appendix A - Handling Liquid Nitrogen
Liquid Nitrogen Safety
Outlines essential safety measures for handling liquid nitrogen.
Liquid Nitrogen Introduction
Provides an introduction to the safe handling of liquid nitrogen.
Appendix B - Handling Liquid CO2
Liquid CO2 Safety
Details safety measures for handling liquid carbon dioxide.
First Aid
First Aid Guidance
Provides first aid guidance for exposure to hazardous substances.

Table of Contents