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MK LIT (E5) 01/2021 page 70/172
The solenoid valve can be used to control the oxygen concentration
An operator-provided control system can be connected to the “inertization solenoid valve” binary input
to control flushing/inertization.
Connection
Connect the hose for the inert gas supply to the quick-release coupling at the bottom of the safety module
(chap. 9.2) and establish the inert gas supply. Ensure that the gas cylinder is sufficiently filled, correctly
connected, and opened for the inert gas supply. Observe the safety instructions when handling inert gases
(chap. 1.7.4) and gas cylinders (chap. 1.7.5).
Activation
Activate the operator-provided inertization.
11.3 Handling the safety devices during operation
Ensure that the main switch of the gas detection system is switched on and that the gas detection system
and the fire suppression device are active.
If operator-provided inertization is being used, ensure that it is functional and active.
Continuous monitoring of the system must be ensured.
If, in the operational state of the fire suppression system, work needs to be carried out in the working area
of the battery test chamber where there is a risk of a person being endangered, triggering of the CO
2
cylinder must be prevented. Ensure that the gas detection device is disabled when you open the chamber.
DANGER
Risk of suffocation, poisoning, and frostbite due to triggering of the CO
2
fire sup-
pression device.
Death due to suffocation. Frostbite.
∅ Do NOT open the chamber door when the gas detection system is active.
Switch the main switch of the gas detection system off before opening the door of the
chamber.
Observe the safety instructions in the operating manual, as well as the operator’s operating
instructions.
11.4 Turning on the chamber
After connecting the electrical supply (chap. 9), you can start up the chamber.
Turn on the main power switch (13) in the lateral control panel and the rear power switch (21) at least one
hour before operating the chamber
The lit pilot lamp shows the chamber is ready for operation. When the chamber is turned on and yet the
controller display is dark, the display is in stand-by mode. Press on the touchscreen to activate it.
The refrigerating function is available only one hour after turning on the main power switch (13) and the
rear power switch (21). This is indicated by the information message “Preheating phase” in the controller
display.
Warming chambers may release odors in the first few days after commissioning. This is not a quality defect.
To reduce odors quickly we recommend heating up the chamber to its nominal temperature for one day
and in a well-ventilated location.
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