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VDL (E3.1) 10/2020 Page 2/196
Contents
1. SAFETY .................................................................................................................. 8
1.1 Personnel Qualification ....................................................................................................................... 8
1.2 Operating manual ................................................................................................................................ 8
1.3 Legal considerations ........................................................................................................................... 9
1.4 Structure of the safety instructions .................................................................................................... 10
1.4.1 Signal word panel ................................................................................................................... 10
1.4.2 Safety alert symbol ................................................................................................................. 10
1.4.3 Explosion protection symbol ................................................................................................... 10
1.4.4 Pictograms in this manual ....................................................................................................... 11
1.4.5 Word message panel structure ............................................................................................... 12
1.5 Localization / position of safety labels on the chamber .................................................................... 12
1.6 Type plate.......................................................................................................................................... 13
1.7 Safety instructions on installing and operating the vacuum drying oven .......................................... 14
1.7.1 Safety instructions on installation and ambient conditions of the chamber ............................ 14
1.7.1.1 Aeration / ventilation of the installation site ....................................................................... 15
1.7.1.2 No installation in potentially explosive areas of Zone 1 or 0 ............................................. 15
1.7.1.3 Equipotential bonding according to the grounding concept............................................... 15
1.7.1.4 Accessibility to the disconnection from the power grid ...................................................... 16
1.7.1.5 Technical ventilation (extraction) ....................................................................................... 16
1.7.2 Safety instructions on compressed air supply ........................................................................ 16
1.7.3 Safety instructions on vacuum supply .................................................................................... 17
1.7.3.1 Selection and location of a suitable pump ......................................................................... 17
1.7.3.2 Observing the permissible gas inlet temperature .............................................................. 18
1.7.3.3 Technical Ventilation (extraction) ...................................................................................... 18
1.7.4 Safety instructions on the charging material ........................................................................... 19
1.7.5 Safety instructions on operating the vacuum drying oven ...................................................... 20
1.8 Ex classification of the chamber and immediate surroundings ......................................................... 23
1.9 Intended use ..................................................................................................................................... 25
1.10 Foreseeable Misuse .......................................................................................................................... 28
1.11 Residual Risks .................................................................................................................................. 30
2. OPERATOR RESPONSIBILITY, DOCUMENTATION, AND MEASURES .......... 32
2.1 Risk assessment / explosion protection document ........................................................................... 32
2.2 Employee training and protocols ....................................................................................................... 32
2.3 Operating instructions ....................................................................................................................... 33
2.4 Safety data sheets ............................................................................................................................ 33
2.5 Protective equipment ........................................................................................................................ 33
2.6 Standard Operating Procedures (SOPs) .......................................................................................... 34
2.7 Testing and maintenance .................................................................................................................. 35
2.8 Operation log ..................................................................................................................................... 35
3. DESCRIPTION OF THE EQUIPMENT ................................................................. 36
3.1 Manufacturer's safety plan: Protective measures and equipment .................................................... 37
3.2 Chamber overview ............................................................................................................................ 41
3.3 Triangular instrument box with MB2 controller.................................................................................. 42
3.4 Connections on the rear of the chamber ........................................................................................... 42
3.5 Area classification, information for the zone classification ................................................................ 44
3.5.1 Area classification inside the chamber ................................................................................... 45
3.5.2 Area classification in the surroundings of the chamber .......................................................... 46
3.5.3 Area classification in the surroundings of the chamber: extraction lead to the pump, location
of the pump ........................................................................................................................ 47
4. COMPLETENESS OF DELIVERY, TRANSPORTATION, STORAGE, AND
INSTALLATION .................................................................................................... 48
4.1 Unpacking, and checking equipment and completeness of delivery ................................................ 48
4.2 Guidelines for safe lifting and transportation ..................................................................................... 49
4.3 Storage .............................................................................................................................................. 49
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