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Thermo Scientific 995 User Manual

Thermo Scientific 995
84 pages
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Forma Model 900 Series
-86C ULT Upright Freezer
Operating and Maintenance Manual 7090902 Rev. 17
User Manual

Table of Contents

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Thermo Scientific 995 Specifications

General IconGeneral
BrandThermo Scientific
Model995
CategoryFreezer
LanguageEnglish

Summary

Preface

Important Installer and User Information

Key safety and operational notes for users and installers, including thermocouple information.

Section 1 Installation and Start-up

Control Panel Keys, Displays, Indicators

Explains the function of the control panel elements and their displays for operation and alarms.

Operation of the Keypad

Details how to navigate and use the keypad for freezer setup and operation modes.

Freezer Start-Up

Steps for initial startup, including entering system set points and default settings.

Set Operating Temperature

Instructions on how to set the desired operating temperature for the freezer chamber.

Set High Temperature Alarm

Guide for configuring the high temperature alarm set point and its behavior.

Set Low Temperature Alarm

Guide for configuring the low temperature alarm set point and its behavior.

Section 2 Calibrate

Calibrate Control Probe

Procedure for calibrating the main temperature control probe using a reference instrument.

Section 3 Alarms

Alarm Indicators

Table listing alarm descriptions, delay, ringback times, and relay status.

Error Codes

List and explanation of various error codes displayed by the freezer and their responses.

Section 4 Maintenance

Preventive Maintenance

Condensed list of regular maintenance tasks for optimal freezer performance.

Section 5 Factory Installed Options

Back Up System (BUS)

Overview of the optional backup system for maintaining temperature during power failures.

Section 6 Specifications

Single Door Units

Technical specifications including catalog number, temperature range, and electrical requirements.

Double Door Units

Technical specifications including catalog number, temperature range, and electrical requirements.

Section 8 Refrigeration Schematics

High Temp Stage

Schematic diagram and specifications for the high-temperature refrigeration stage.

Low Temp Stage

Schematic diagram and specifications for the low-temperature refrigeration stage.

Section 9 Electrical Schematics

High Stage

Electrical schematic for the high-stage compressor, relays, and start components.

Low Stage

Electrical schematic for the low-stage compressor, relays, and start components.

Section 10 Warranty Information

Thermo Fisher Scientific Freezer Warranty

Details the standard warranty terms and conditions for the freezer.

Thermo Fisher Scientific Freezer International Dealer Warranty

Outlines warranty terms specific to international dealers and their customers.

Appendix C First Aid

First Aid for Cryogen Exposure

First aid procedures for exposure to cryogenic materials or gas asphyxiation.

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