Freeze-dryer Epsilon 1-4 LSCplus
Freeze-dryer Epsilon 2-4 LSCplus
3 Safety
Version 04/2014, Rev. 2.13 of 01/12/2021
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Translation of the original operating manual
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3.7.15 Hazards caused by overpressure in the chamber
DANGER
Risk of injury caused by bursting of the chamber
The double chamber is designed for vacuum. It is not a pressure vessel!
In the event of a malfunction, an impermissible excess pressure may build
up in the chamber, which may cause the chamber to burst.
This may lead to life-threatening injuries.
• Do not use the freeze-dryer when it is pressurised (excess pressure)!
• We strongly recommend installing a pressure relief device (e.g. a
safety valve or rupture disc) with a sufficient rating.
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3.8
Safety devices
WARNING
The safety devices are aimed at protecting the operating personnel.
In case of safety devices that are not operating correctly or of safety-
relevant operating elements that are not freely accessible, there is a risk
of severe damage to health.
• Keep the safety-relevant operating elements freely accessible at all
times!
• Do not manipulate, remove, or disable the safety devices in any way!
• Check the correct operation of the safety devices at regular intervals in
accordance with the applicable national and international laws, rules,
and regulations concerning health and safety and the prevention of
accidents!
Control switch
Position see chapter 2.1.1 - "Functional and operating elements"
In order to disconnect the control circuit from the power supply, the control
switch must be switched off.
Equipotential bonding screw for earth conductor check
For the earth conductor check, there is an equipotential bonding screw on
the rear panel of the freeze-dryer. An earth conductor check can be carried
out with the aid of a suitable measuring instrument.
Special equipment: Door contact switches
This safety device is installed in combination with the operating mode
"Inertisation" (see chapter 6.6.1.3 - " Main window "Options"") or "Belüften,
Verschließen, Lagern" (see chapter 6.6.3.1 - "Creating a program").
The status of the loading door is monitored by the door contact switches.
This ensures that, when the door is opened in the "Inertisation" mode, the
supply with nitrogen is stopped. In the "Aeration, stoppering, storage"
mode, the automatic movement of the shelves will be interrupted when the
door is opened.
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