Bitzer K033N Instructions De Service page 28

Table of contents
1 Introduction........................................................................................................................................................ 30
2 Safety.................................................................................................................................................................. 30
2.1 Authorized staff............................................................................................................................................ 30
2.2 Residual hazards ......................................................................................................................................... 30
2.3 Safety references......................................................................................................................................... 30
2.3.1 General safety instructions .............................................................................................................. 30
3 Application ranges ............................................................................................................................................ 32
3.1 Permitted refrigerants .................................................................................................................................. 32
3.2 Coolants....................................................................................................................................................... 32
3.2.1 Corrosion and limescale build-up..................................................................................................... 33
3.2.2 Flow velocity .................................................................................................................................... 33
3.3 Materials ...................................................................................................................................................... 33
3.4 Explanation of model designation................................................................................................................ 34
3.5 System registration ...................................................................................................................................... 34
3.6 EU conformity assessment category according to 2014/68/EU (PED)........................................................ 34
4 Mounting ............................................................................................................................................................ 35
4.1 Transporting the pressure equipment.......................................................................................................... 35
4.1.1 Weights ............................................................................................................................................ 35
4.1.2 Centres of gravity............................................................................................................................. 35
4.2 Installation location ...................................................................................................................................... 35
4.3 System design ............................................................................................................................................. 35
4.3.1 Arranging for removal clearances .................................................................................................... 35
4.3.2 Mounting a compressor on the shell and tube condenser ............................................................... 35
4.3.3 Refrigerant side................................................................................................................................ 36
4.3.4 Coolant side ..................................................................................................................................... 36
4.4 State of delivery ........................................................................................................................................... 37
4.5 Connecting the refrigerant pipes.................................................................................................................. 37
4.5.1 Mounting the pressure relief valve ................................................................................................... 37
4.5.2 Connection for pressure gauge........................................................................................................ 37
4.6 Connecting the coolant pipes ...................................................................................................................... 38
4.6.1 Coolant passes ................................................................................................................................ 38
4.6.2 Dimensions of reversing covers and coolant connections ............................................................... 38
4.7 Dimensions and refrigerant connections: standard design.......................................................................... 41
4.8 Dimensions and refrigerant connections: seawater resistant design........................................................... 44
4.9 Legend to the dimensional drawings ........................................................................................................... 48
4.10 Customised versions ................................................................................................................................... 48
5 Commissioning.................................................................................................................................................. 49
5.1 Testing tightness of refrigerant side............................................................................................................. 49
5.2 Charging refrigerant..................................................................................................................................... 49
5.3 Charging coolant.......................................................................................................................................... 49
5.3.1 Testing tightness of coolant side...................................................................................................... 49
6 Operation............................................................................................................................................................ 50
6.1 Sight glasses ............................................................................................................................................... 50
28 DB-200-6