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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 CO
2
fire suppression device (can be triggered automatically and manually) ................................... 43
7.9.1 Automatic triggering of the CO
2
fire suppression device ........................................................ 44
7.9.2 After triggering of the CO
2
fire 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 CO
2
pressurized 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
9.4.1 Information 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 CO
2
pressurized gas cylinder ............................................................................ 65
11.1.2 Activating the gas detection system ....................................................................................... 66
11.1.3 Connection of the coil connector on the CO
2
pressurized gas cylinder ................................. 67
11.1.4 Function test of the valve ........................................................................................................ 67
11.1.5 Connecting the CO
2
flushing line (high-pressure hose) ......................................................... 68
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