14 | Installation and Startup
Thermo Fisher Scientific CryoExtra CE8100 Series
7. Once the Controller reads a level; press stop fill; allow
liquid to equalize and insert dipstick; verify level to the
Controller level display; change the offset value (+ or -) to
match liquid level; press start fill to continue the fill
process. When freezer has reached its high level set point
wait 10 minutes for system to equalize then verify level
with dipstick and calibrate if necessary.
8. Once the Controller matches freezer LN
2
level, close or
place the lid and allow the freezer to equilibrate and reach
its temperature rating.
9. It is recommended that biological samples are not
introduced into the freezer until several days after the top
box temperature has stabilized at or below the freezer’s
temperature rating. It is recommended to restart
Controller after 24 hours of initial install to reset the Liquid
Usage.
10. Refer to the
further instructions.
Note:
Pressing Stop Fill will disable Controller’s automatic fill
function for 30 minutes.