OPERATION MANUAL
V1.2.0en/12.05.15//14.06
Liability for errors and misprints excluded.
Unistat® T300 Series
9
3.4.1
Functional overview of “Pilot ONE®” .............................................................. 31
3.5
Unistat® LED diagram ................................................................................... 33
3.6
Clock/event function .................................................................................... 33
3.6.1
Rechargeable accumulator ............................................................................. 33
3.6.2
Programmable event function ........................................................................ 33
3.6.2.1
Event function “Alarm clock event” ........................................................... 33
3.6.2.2
Event function “Program event” ................................................................ 34
3.7
Operation via the touch screen ..................................................................... 34
3.8
Display instruments ..................................................................................... 34
3.8.1
The touchscreen [88] ...................................................................................... 34
3.8.2
The LED-Indicator Temperature [90] .............................................................. 34
3.8.3
The LED-Indicator Flow Chart [91] .................................................................. 35
3.8.4
The LED-Indicator Status [92] ......................................................................... 35
3.9
Control instruments ..................................................................................... 35
3.9.1
The touchbuttons ............................................................................................ 35
3.9.2
The categories ................................................................................................. 35
3.9.3
The sub-categories .......................................................................................... 35
3.9.4
The dialogs ...................................................................................................... 36
3.10
Function examples ....................................................................................... 36
3.10.1
Display of software version ............................................................................. 36
3.10.2
Start & Stop ..................................................................................................... 36
3.10.3
Restore factory settings .................................................................................. 37
3.10.3.1
Restore to factory settings without overtemperature protection ............. 40
3.10.3.2
Restore to factory settings including overtemperature protection ........... 40
4
Setup mode
41
4.1
Setup mode ................................................................................................. 41
4.1.1
Turning on the temperature control unit ....................................................... 41
4.1.2
Setting the overtemperature protection ........................................................ 41
4.1.2.1
General information on the overtemperature protection ......................... 42
4.1.2.2
Setting “OT limit: heating” ......................................................................... 42
4.1.2.3
Setting “OT expansion vessel” .................................................................... 43
4.1.2.4
Setting “Process Safety” ............................................................................. 43
4.1.2.5
Monitoring via “Display OT values” ............................................................ 43
4.1.3
Testing overtemperature protection for functionality ................................... 44
4.1.4
Adjusting the Delta T limiter ........................................................................... 44
4.1.4.1
Changing the Delta T limiter ....................................................................... 44
4.2
The temperature control circuit .................................................................... 44
4.2.1
Select temperature control: Internal or process ............................................ 45
4.2.2
Temperature control to internal temperature ............................................... 45
4.2.3
Temperature control to process temperature ................................................ 46
4.2.4
Delta T limiter ................................................................................................. 46
4.2.5
Monitoring the Pt100 temperature sensors ................................................... 46
4.2.6
Optimum control parameters for optimum temperature control .................. 47
4.2.7
Sub-category: “Select auto/expert mode”. ..................................................... 47
4.2.8
Sub-category: “Configuration auto” ............................................................... 47
4.2.8.1
Sub-category: “Find parameters” ............................................................... 47
4.2.8.2
Sub-category: “Control Dynamics” ............................................................. 49
4.2.8.3
Sub-category: “Fluid Properties” ................................................................ 51
4.2.8.4
Sub-category: “Display parameters” .......................................................... 52
4.2.9
Category: “Configuration manual”.................................................................. 52
4.2.9.1
Sub-category: “Change parameters” .......................................................... 52
