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VDL (E3.1) 10/2020 Page 4/196
9. START UP AND PERFORMING THE DRYING PROCESS ................................ 83
9.1 Requirements for safe commissioning .............................................................................................. 83
9.2 Overview of the drying process ......................................................................................................... 84
9.3 Sweeping the area for electrical equipment, the preheating chamber, and the controller housing
(triangular instrument box) with compressed air ............................................................................... 86
9.3.1 Setting the pressure regulator for sweeping with compressed air .......................................... 86
9.3.2 Sweeping before starting up / restarting the chamber ............................................................ 87
9.3.3 Sweeping during chamber operation ...................................................................................... 87
9.3.4 Sweeping after completion of chamber operation (recommended): ....................................... 88
9.4 Condition after establishing the power connection ........................................................................... 88
9.5 Standby mode Turning on and off the vacuum drying oven ............................................................. 89
9.6 Controller settings upon start up ....................................................................................................... 90
9.7 Loading.............................................................................................................................................. 91
9.8 Evacuation......................................................................................................................................... 93
9.9 Breaking the vacuum (flooding) ........................................................................................................ 93
9.9.1 Ventilation after completing the drying procedure (flooding with ambient air or inert gas) ..... 93
9.9.2 Operation with inert gas .......................................................................................................... 93
9.9.3 Ventilation / breaking the vacuum in case of a power failure ................................................. 94
9.9.4 Ventilation before completing the drying procedure (flooding with ambient air or inert gas) .. 94
9.10 Unloading the loading material ......................................................................................................... 95
9.11 Removing the full condensate catchpot of the pump ........................................................................ 96
9.12 Preparing a new drying process ....................................................................................................... 96
10. SET-POINT ENTRY .............................................................................................. 97
10.1 Set-point entry through the “Setpoints” menu ................................................................................... 97
10.2 Direct setpoint entry via Normal display ............................................................................................ 98
11. SETTING SPECIAL CONTROLLER FUNCTIONS .............................................. 99
11.1 Menu structure .................................................................................................................................. 99
11.1.1 “Functions on/off” menu .......................................................................................................... 99
11.1.2 “Control on/off” menu ............................................................................................................ 100
11.2 Using the optional universal connection “GAS/AIR 2” for ventilation .............................................. 100
11.3 Close all valves ............................................................................................................................... 101
11.4 Activating / deactivating temperature control .................................................................................. 101
11.5 Activating / deactivating pressure control ....................................................................................... 102
11.6 Drying monitoring ............................................................................................................................ 103
12. AUTHORIZATION LEVELS AND PASSWORD PROTECTION ........................ 105
12.1 User management, authorization levels and password protection ................................................. 105
12.2 Log in ............................................................................................................................................... 107
12.3 Log out ............................................................................................................................................ 108
12.4 User change .................................................................................................................................... 109
12.5 Password assignment and password change................................................................................. 109
12.5.1 Password change ................................................................................................................. 109
12.5.2 Deleting the password for an individual authorization level .................................................. 111
12.5.3 New password assignment for “service” or “admin” authorization level when the password
function was deactivated ................................................................................................. 112
12.6 Activation code ................................................................................................................................ 113
13. GENERAL CONTROLLER SETTINGS AND INFORMATION ........................... 114
13.1 Selecting the controller’s menu language ....................................................................................... 114
13.2 Setting date and time ...................................................................................................................... 114
13.3 Selecting the temperature unit ........................................................................................................ 116
13.4 Display configuration ....................................................................................................................... 116
13.4.1 Adapting the display parameters .......................................................................................... 116
13.4.2 Touchscreen calibration ........................................................................................................ 117
13.5 Event list .......................................................................................................................................... 118
13.6 Service contact page ....................................................................................................................... 118
13.7 Current operating parameters ......................................................................................................... 119
13.8 Technical chamber information ....................................................................................................... 119
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