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CB / CB-UL, CBF / CBF-UL (E7) 07/2021 Page 30/197
NOTICE
Danger of freezing in the steam generator when storing the chamber below +3 °C /
37.4 °F with filled steam humidifying system.
Damage to the chamber.
Before any storage below +3 °C / 37.4 °F, empty the freshwater bag to remove water
from the humidifying system and perform a sterilization.
Permissible ambient humidity: max. 70 % r.h., non-condensing.
After extensive operation at humidity levels > 70% r.h., condensation from excessive humidity can lead to
corrosion during storage. In this case the chamber must first be dried.
NOTICE
Danger of corrosion on the housing due to condensation by excess humidity after
operating at humidity values > 70 % r.h. for a long period.
Damage to the chamber.
Let the chamber dry for several days before shut-down:
• Empty the Permadry water pan.
• CBF / CBF-UL: Turn off humidity control (chap. 6.7).
• Set the temperature set point to 60 °C / 140 °F for approx. 2 hours.
• Only then, shut down the chamber at the main power switch (1) and empty the
freshwater bag.
When after storage in a cold location you transfer the chamber to its warmer installation site, condensation
may form. Before start-up, wait at least one hour until the chamber has attained ambient temperature and
is completely dry.
CBF / CBF-UL: In case of a prolonged temporal decommissioning: Leave the chamber door open or remove
the optional access port plugs.
3.4 Location of installation and ambient conditions
Notes on the location of installation
Set up the chamber on a flat, even surface, free from vibration and in a well-ventilated, dry location. The
chambers are designed for setting up inside a building (indoor use).
Freestanding chamber are suitable for installation on tables or on the optionally available stand (height 200
mm / 0.5 ft). Note: The site of installation must be capable of supporting the chamber’s weight (see technical
data, chap.24.4).
Align the chamber using a spirit level to ensure even covering of the cell-cultures with the medium. For this
purpose, manually adjust the four chamber feet.
The chambers can be stacked on top of each other (two chambers maximum). For safe stacking that is
easy to maintain, use the original BINDER stacking stand (chap. 18.9.1) or the base on castors (chap.
18.9.2).
To completely separate the chamber from the power supply, you must disconnect the power plug. Install
the chamber in a way that the power plug is easily accessible and can be easily pulled in case of danger.
For the user there is no risk of temporary overvoltages in the sense of EN 61010-1:2010.
In order to avoid contamination, never place the chamber directly on the floor.
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