44 EN/09.2017/G44 © STULZ GmbH – all rights reserved
CYBERCOOL INDOOR CHILLER ORIGINAL INSTRUCTIONS
Contents
1. Safety .................................................................................................................. 6
1.1 Marking ...................................................................................................................................... 6
1.2 Safety instructions ................................................................................................................. 6
1.3 Handling refrigerants ............................................................................................................ 6
1.4 Duties of the operator ........................................................................................................... 7
2. Transport / Storage ........................................................................................... 8
2.1 Delivery of units ...................................................................................................................... 8
2.2 Transport ................................................................................................................................... 8
2.3 Storage ...................................................................................................................................... 9
3. Description ....................................................................................................... 10
3.1 Type code ............................................................................................................................... 10
3.2 Intended use ......................................................................................................................... 11
3.3 Design ..................................................................................................................................... 11
3.4 Refrigeration circuit ............................................................................................................ 12
3.5 Chilled water circuit ............................................................................................................ 13
3.6 Cooling medium circuit (G, GE) ....................................................................................... 13
3.7 Operating modes of version GE ..................................................................................... 15
3.7.1 DX mode ............................................................................................................................. 15
3.7.2 Mix mode ............................................................................................................................ 15
3.7.3 FC mode ............................................................................................................................. 16
3.8 Circuit scheme ..................................................................................................................... 17
3.8.1 Cooling system A ............................................................................................................. 18
3.8.2 Cooling system G............................................................................................................. 19
3.8.3 Cooling system GE .......................................................................................................... 20
4. Technical Data .................................................................................................. 21
4.1 Application limits ................................................................................................................. 21
4.2 Technical Data - CSI ... A/G .............................................................................................. 23
4.3 Technical Data - CSI ... GE ................................................................................................ 24
4.4 Dimensional drawings ....................................................................................................... 25
5. Installation ....................................................................................................... 26
5.1 Selection of the installation site...................................................................................... 26
5.2 Positioning the unit ............................................................................................................. 27
5.3 Connection of the piping ................................................................................................... 29
5.3.1 Refrigerant piping ........................................................................................................... 29
5.3.1.1 Design ............................................................................................................................. 29
5.3.1.2 Position of the refrigerant connections ............................................................... 29
5.3.1.3 Strength pressure test ............................................................................................... 30
5.3.1.4 Tightness/pressure test ............................................................................................ 30
5.3.2 Water piping connection ............................................................................................... 30
5.3.2.1 Position of the water piping connections for version A/G ............................. 31
5.3.2.2 Position of the water piping connections for version GE ............................... 32
5.4 Electrical connection ........................................................................................................ 34
6. Commissioning ................................................................................................ 37
6.1 Filling the refrigerant circuit ............................................................................................. 37
6.2 Filling of the water circuit .................................................................................................. 40
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