Thermo Scientific Cryo 740 Series, Руководство по эксплуатации и техническому обслуживанию

Страница: 12 / 52

7000740r7 Cryo Series 1-5 Thermo Scientific
Section 1
Quick Start-Up
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. ▲
A Temperature Sleeve is optional on all Cryo units. The 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 under the lid will
remain below -130°C.
When properly installed, the ends of the sleeve must be aligned with the
temperature probe at the rear of the tank and the square holes in the
bottom of the sleeve 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.
Install Platform Riser
Figure 1-4. Phase Storage
Install Optional
Temperature Sleeve