4.4 Interfaces..................................................................................................................................................................... 28
4.4.1 Interface potential-free contact............................................................................................................ 28
4.4.2 Installing interface modules.................................................................................................................... 29
5 Commissioning.................................................................................................................................................................... 30
5.1 Heat transfer liquids................................................................................................................................................... 30
5.2 Establishing power supply........................................................................................................................................... 31
5.3 Switching on the device for the first time and filling with liquid............................................................................. 31
5.3.1 Fill mode..................................................................................................................................................... 31
5.3.2 Switch on the device and fill it................................................................................................................ 33
5.4 Setting the pump pressure........................................................................................................................................ 34
6 Operation............................................................................................................................................................................. 36
6.1 General safety instructions........................................................................................................................................ 36
6.2 Operating modes........................................................................................................................................................ 36
6.3 Menu structure overview............................................................................................................................................ 37
6.4 Switching on the device.............................................................................................................................................. 39
6.5 The display.................................................................................................................................................................... 39
6.5.1 Home window........................................................................................................................................... 39
6.5.2 Menu window........................................................................................................................................... 40
6.5.3 Entry window............................................................................................................................................. 41
6.5.4 Lock and release operating buttons....................................................................................................... 42
6.6 Define temperature limits.......................................................................................................................................... 43
6.7 Specifying the set point............................................................................................................................................. 44
6.8 Activating and deactivating standby......................................................................................................................... 44
6.9 SmartCool (cooling)................................................................................................................................................... 44
6.10 External control........................................................................................................................................................... 45
6.10.1 Activating the external control............................................................................................................... 45
6.10.2 Specifying the set point oset............................................................................................................... 46
6.11 Control......................................................................................................................................................................... 47
6.11.1 Basics......................................................................................................................................................... 47
6.11.2 Opening the control menu..................................................................................................................... 49
6.11.3 Overview of internal control parameters.............................................................................................. 50
6.11.4 Adapting internal control parameters................................................................................................... 50
6.11.5 Overview of external control parameters.............................................................................................. 51
6.11.6 Adjusting external control parameters.................................................................................................. 52
6.12 Basic settings............................................................................................................................................................... 53
6.12.1 Calling the basic settings......................................................................................................................... 53
6.12.2 Adjusting the volume of the signal tones.............................................................................................. 53
6.12.3 Adjusting the display brightness............................................................................................................. 53
6.12.4 Specifying the starting mode (Auto start)............................................................................................ 54
V08
Variocool4 / 97