Bühler technologies Nivotemp NT 67-XP - Default Chapter; Table of Contents

Nivotemp NT 67-XP, Nivovent NV 77-XP
Contents
1 Introduction..................................................................................................................................................................................................................... 3
1.1 Intended Use......................................................................................................................................................................................................... 3
1.2 Functionality......................................................................................................................................................................................................... 3
1.2.1 Liquid level monitoring ......................................................................................................................................................................3
1.2.2 Temperature monitor .........................................................................................................................................................................3
1.3 Design types.......................................................................................................................................................................................................... 3
1.4 Model key NT67-XP .............................................................................................................................................................................................4
1.5 Model key NV77-XP .............................................................................................................................................................................................4
1.6 Scope of Delivery.................................................................................................................................................................................................. 5
2 Safety instructions.........................................................................................................................................................................................................6
2.1 Important advice.................................................................................................................................................................................................6
2.2 General hazard warnings ................................................................................................................................................................................. 7
3 Transport and storage ..................................................................................................................................................................................................8
4 Setup and connection...................................................................................................................................................................................................9
4.1 Installation ............................................................................................................................................................................................................9
4.2 Electrical connections ........................................................................................................................................................................................9
5 Operation and control ................................................................................................................................................................................................ 10
5.1 Start-up procedure ...........................................................................................................................................................................................10
5.2 LED statuses ........................................................................................................................................................................................................ 10
5.3 General key functions ....................................................................................................................................................................................... 11
5.4 Keylock enabled .................................................................................................................................................................................................. 11
5.5 Menu overview .................................................................................................................................................................................................. 12
5.6 Changing basic settings ...................................................................................................................................................................................13
5.6.1 Disabling normal error handling................................................................................................................................................... 13
5.6.2 Set liquid level unit ............................................................................................................................................................................ 13
5.6.3 Set temperature unit.........................................................................................................................................................................14
5.6.4 Define switching outputs ................................................................................................................................................................14
5.6.5 Reallocate switching outputs .........................................................................................................................................................14
5.6.6 Set display refresh rate ..................................................................................................................................................................... 15
5.6.7 Enable/disable keylock...................................................................................................................................................................... 15
5.6.8 Liquid level scaling .............................................................................................................................................................................16
5.6.9 Assigning the upper limit of the sensor measuring range....................................................................................................16
5.6.10 Sensor measuring range lower limit assignment .................................................................................................................... 17
5.6.11 Restore factory settings (Reset)...................................................................................................................................................... 17
5.7 Switching outputs............................................................................................................................................................................................. 19
5.7.1 Switching output x: Definition of the switching characteristic...........................................................................................19
5.7.2 Switching output x: Upper switching limit (switching point).............................................................................................20
5.7.3 Switching output x: Lower switching limit (switch-back point) .......................................................................................... 21
5.7.4 Switching output x: Switch-on delay ........................................................................................................................................... 21
5.7.5 Switching output x: Switch-back delay ....................................................................................................................................... 21
5.7.6 Switching output x: Testing the switching output ................................................................................................................. 22
5.7.7 Change status LED display function ............................................................................................................................................ 22
5.8 Analogue outputs .............................................................................................................................................................................................23
5.8.1 Analogue output x: Assigning the upper limit..........................................................................................................................23
5.8.2 Analogue output x: Lower limit assignment ............................................................................................................................ 24
5.8.3 Analogue output x: Signal type assignment............................................................................................................................. 24
5.8.4 Analogue output x: Testing the analogue output ...................................................................................................................25
5.9 Diagnostic options ............................................................................................................................................................................................25
5.9.1 View logbook........................................................................................................................................................................................25
5.9.2 Maximum and minimum liquid level......................................................................................................................................... 26
5.9.3 Maximum and minimum temperature ..................................................................................................................................... 26
5.9.4 Define switching output to log ......................................................................................................................................................27
5.9.5 Delay for storing the Min/Max Liquid Level ...............................................................................................................................27
5.9.6 Delay for storing the Min/Max Temperature ............................................................................................................................27
6 Cleaning and Maintenance.......................................................................................................................................................................................28
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