
VD (E3.1) 03/2020 page 3/173
5.3 Performance during and after power failures....................................................................................43
5.3.1 RD4 controller.........................................................................................................................43
5.3.2 MB2 controller.........................................................................................................................44
6. START UP............................................................................................................44
6.1 Condition after establishing the power connection ...........................................................................44
6.2 Standby mode Turning on and off the vacuum drying oven.............................................................45
6.2.1 RD4 controller.........................................................................................................................45
6.2.2 MB2 controller.........................................................................................................................45
6.3 Controller settings upon start up.......................................................................................................46
6.3.1 RD4 controller.........................................................................................................................46
6.3.2 MB2 controller.........................................................................................................................46
6.4 Vacuum system.................................................................................................................................47
6.4.1 Evacuation ..............................................................................................................................47
6.4.2 Ventilation after completing the drying procedure (flooding with ambient air or inert gas).....48
6.4.3 Ventilation / breaking the vacuum in case of a power failure .................................................48
6.4.4 Operation with inert gas..........................................................................................................48
7. SET-POINT ENTRY..............................................................................................49
7.1 RD4 controller ...................................................................................................................................49
7.1.1 Temperature set-point entry ...................................................................................................49
7.1.2 Pressure set-point entry..........................................................................................................50
7.2 MB2 controller...................................................................................................................................50
7.2.1 Set-point entry through the “Setpoints” menu.........................................................................50
7.2.2 Direct setpoint entry via Normal display .................................................................................51
8. SETTING SPECIAL CONTROLLER FUNCTIONS..............................................52
8.1 Menu structure ..................................................................................................................................52
8.1.1 RD4 controller.........................................................................................................................52
8.1.1.1 “Functions on/off” menu...................................................................................................52
8.1.1.2 Quick Access menu.........................................................................................................53
8.1.2 MB2 controller.........................................................................................................................53
8.1.2.1 “Functions on/off” menu...................................................................................................53
8.1.2.2 “Control on/off” menu.......................................................................................................55
8.2 Turning off the vacuum pump via the socket on the pump module..................................................55
8.2.1 RD4 controller.........................................................................................................................55
8.2.2 MB2 controller.........................................................................................................................56
8.3 Using the optional connection “GAS/AIR 2” for ventilation...............................................................56
8.3.1 RD4 controller.........................................................................................................................57
8.3.2 MB2 controller.........................................................................................................................57
8.4 Close all valves .................................................................................................................................58
8.4.1 RD4 controller.........................................................................................................................58
8.4.2 MB2 controller.........................................................................................................................58
8.5 Activating / deactivating temperature control....................................................................................59
8.5.1 RD4 controller.........................................................................................................................59
8.5.2 MB2 controller.........................................................................................................................59
8.6 Activating / deactivating pressure control .........................................................................................60
8.6.1 RD4 controller.........................................................................................................................60
8.6.2 MB2 controller.........................................................................................................................61
8.7 Drying monitoring..............................................................................................................................62
8.7.1 RD4 controller.........................................................................................................................63
8.7.2 MB2 controller.........................................................................................................................63
9. AUTHORIZATION LEVELS AND PASSWORD PROTECTION..........................64
9.1 RD4 controller ...................................................................................................................................64
9.1.1 Password request ...................................................................................................................64
9.1.2 Assign and modify a password...............................................................................................64
9.1.2.1 Assign and modify the User password............................................................................64
9.1.2.2 Assign and modify the Admin password .........................................................................65