
MK LIT (E5) 01/2021 page 3/172
6.2.2 Tests of technical ventilation systems, extinguishing systems, gas warning devices, inerting
devices, devices, protective systems or safety, control or regulating devices, and other tech-
nical devices for explosion protection .....................................................................................31
6.2.3 Inspection after changes requiring review ..............................................................................32
6.2.4 Recurring tests........................................................................................................................32
6.3 Proof of tests .....................................................................................................................................32
7. CHAMBER DESCRIPTION .................................................................................. 33
7.1 Manufacturer's safety plan: Protective measures and equipment ....................................................33
7.2 Chamber overview ............................................................................................................................35
7.3 Safety module on the right side of the chamber ...............................................................................37
7.4 Lateral control panel..........................................................................................................................38
7.5 Rear power switch.............................................................................................................................39
7.6 Instrument panel ...............................................................................................................................39
7.7 Rear chamber view ...........................................................................................................................40
7.8 Gas detection ....................................................................................................................................41
7.9 CO2fire suppression device (can be triggered automatically and manually) ...................................43
7.9.1 Automatic triggering of the CO2fire suppression device ........................................................44
7.9.2 After triggering of the CO2fire suppression device.................................................................44
7.10 Mechanical door lock ........................................................................................................................44
7.11 Exhaust port with reversible pressure relief flap ...............................................................................45
8. COMPLETENESS OF DELIVERY, TRANSPORTATION, STORAGE, AND
INSTALLATION.................................................................................................... 46
8.1 Unpacking, and checking equipment and completeness of delivery ................................................46
8.2 Guidelines for safe lifting and transportation.....................................................................................47
8.3 Storage..............................................................................................................................................47
8.4 Location of installation and ambient conditions ................................................................................47
9. INSTALLATION AND CONNECTIONS ............................................................... 49
9.1 Connecting the CO2pressurized gas cylinder ..................................................................................49
9.2 Inertization connections for customer systems.................................................................................49
9.3 Installation of the voltage and frequency changer (chambers with voltage and frequency changer)
..........................................................................................................................................................51
9.4 Electrical connection .........................................................................................................................52
9.4.1Information on connecting the battery test chamber ..............................................................52
9.4.2 Connecting the voltage and frequency changer (for chambers equipped with a voltage and
frequency changer) .................................................................................................................53
10. FUNCTIONAL OVERVIEW OF THE MB2 CHAMBER CONTROLLER............... 55
10.1 Operating functions in normal display...............................................................................................56
10.2 Display views: Normal display, program display, chart-recorder display..........................................57
10.3 Controller icons overview ..................................................................................................................58
10.4 Operating modes...............................................................................................................................60
10.5 Controller menu structure..................................................................................................................61
10.5.1 Main menu ..............................................................................................................................62
10.5.2 “Settings” submenu.................................................................................................................63
10.5.3 “Service” submenu..................................................................................................................63
10.6 Principle of controller entries.............................................................................................................64
10.7 Performance during and after power failures....................................................................................64
10.8 Performance when opening the door................................................................................................65
11. COMMISSIONING................................................................................................ 65
11.1 Preparing and activating the general safety devices ........................................................................65
11.1.1 Inserting the CO2pressurized gas cylinder ............................................................................65
11.1.2 Activating the gas detection system .......................................................................................66
11.1.3 Connection of the coil connector on the CO2pressurized gas cylinder .................................67
11.1.4 Function test of the valve ........................................................................................................67
11.1.5 Connecting the CO2flushing line (high-pressure hose) .........................................................68