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Section 1
Quick Start-Up
Install Platform Riser
Depending on the inventory control system chosen, install the platform
riser (if required) as shown in Figure 1-4.
Note In the liquid phase, the standard platform remains in the bottom of
the tank.
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Figure 1-4. Platform Riser
Install Optional
A Temperature Sleeve is designed to assist the temperature gradient within
the unit so that in a normal vapor phase setting of 3-5 inches of liquid, the
Temperature Sleeve
temperature under the lid remains below -130°C. The sleeve is standard on
all CryoPlus units and is installed when shipped from the factory.
When properly installed, the ends of the sleeve are aligned with the
temperature probe at the rear of the tank, and the square holes in the
bottom of the sleeve are aligned with the fill and pressure ports.
It is imperative that the positioning of the sleeve not block either the fill or
liquid level tube orifices located at the bottom rear of the tank. Should
blockage occur, it will cause filling and liquid level indicator problems.
Fill Unit
When shipped from the factory, the liquid nitrogen level settings of all
CryoPlus units are set at Vapor Phase settings of five inches high limit,
three inches low limit (factory defaults). It is not recommended that these
settings be changed until the unit has been filled for the first time and
allowed to stabilize.
Caution The lid must remain open throughout the initial filling of the
storage container.
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Thermo Scientific
7007400 Cryoplus
1-5
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