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General| Brand | Thermo Scientific |
|---|---|
| Model | 990 |
| Category | Freezer |
| Language | English |
Details the function of control panel elements like display, keys, and indicators.
Step-by-step guide for connecting the freezer to a power source.
Procedures for initial startup, setting temperature, and alarm limits.
Details on various alarm types, delays, ringback times, and relays.
List of error codes, descriptions, responses, and alarm conditions.
Steps for installing the BUS, vent stack, and temperature probe.
Explains BUS panel, configuration for LN2/CO2, set points, and testing.
Diagram illustrating the high-temperature refrigeration stage components and refrigerants.
Details the standard warranty coverage, terms, and exclusions for freezers.
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