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General| Brand | Thermo Scientific |
|---|---|
| Model | 957 |
| Category | Freezer |
| Language | English |
Key information for proper installation and use of the freezer.
Explains the function of buttons, displays, and indicator lights on the control panel.
Step-by-step guide for safely removing and setting up the freezer.
Guidelines for selecting an appropriate and safe location for the freezer.
Steps for safely connecting the freezer to the electrical power source.
Procedures for initial freezer startup and default temperature set points.
Instructions on how to adjust the freezer's internal temperature set point.
Steps to configure the high temperature alarm threshold.
Steps to configure the low temperature alarm threshold.
Procedure for calibrating the main temperature control probe.
Details on the freezer's alarm system, including delays and ringback times.
Lists and explains various error codes displayed by the freezer.
A consolidated list of recommended preventive maintenance actions and intervals.
Introduction to the built-in Backup System (BUS) and its function.
Explanation of the BUS control panel indicators and normal operation.
How to view and interpret fault codes from the BUS system.
Steps to configure the BUS for LN2 or CO2 supply type.
Procedure for setting the desired temperature set point for the BUS.
Steps to verify the proper functioning of the BUS system.
Technical details for various single-door freezer models.
Detailed diagram of the freezer's cascade refrigeration system.
Electrical diagram showing the wiring for the high and low stage compressors.
Details of the standard warranty coverage for Thermo Fisher Scientific freezers.
Warranty details specific to international dealers and their stocking periods.
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