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Content
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Notes on documentation.......................................................................................4
1.1 Other applica le documents ...................................................................................................................... 4
1.2 CE conformity .............................................................................................................................................. 4
1.3 Storing the documents ............................................................................................................................... 4
1.4 Sym ols used .............................................................................................................................................. 4
2
Safety instructions ................................................................................................5
2.1 Risks in case of failure to o serve the safety instructions ....................................................................... 5
2.2 Safety instructions for the operator ........................................................................................................... 5
2.3 Safety instructions for assem ly, inspection and maintenance work ...................................................... 5
2.4 Unauthorised operation .............................................................................................................................. 6
2.5 Health risks due to the refrigerant R134a and the antifreeze ................................................................. 6
2.5.1 First aid measures.........................................................................................................................6
2.5.2 Fire-fighting measures ..................................................................................................................6
2.5.3 Protective measures during repairs ..............................................................................................6
3
Device description.................................................................................................6
3.1 General functional description ................................................................................................................... 9
3.1.1 Controller.....................................................................................................................................10
3.1.2 Safety devices.............................................................................................................................10
3.2 Proper use ................................................................................................................................................ 10
4
Transportation .....................................................................................................11
5
Assembly and connection ..................................................................................12
5.1 Installation site requirements ................................................................................................................. 12
5.2 Installing the cooling unit ......................................................................................................................... 13
5.3 Making the hydraulic connection ............................................................................................................ 13
5.4 Making electrical connection................................................................................................................... 14
5.4.1 Connecting the power supply......................................................................................................14
5.4.2 Connecting the alarm relay interrogation device.........................................................................15
5.4.3 External activation....................................................................................................................... 15
5.4.4 Connecting the cooling unit to the PLC.......................................................................................15
6
Commissioning....................................................................................................17
6.1 Antifreeze .................................................................................................................................................. 17
6.2 Filling the cooling system with cooling medium ..................................................................................... 17
6.3 Bleeding the cooling medium pump ....................................................................................................... 18
7
Operation..............................................................................................................19
7.1 Controls ..................................................................................................................................................... 19
7.2 Key functions ............................................................................................................................................ 20
7.2.1 Key functions during operation....................................................................................................20
7.2.2 Key functions during parameter adjustment................................................................................21
