Pfannenberg EB 210 WT B Manual De Uso Y Mantenimiento página 52

EN
Content
1. General ............................................................................................................................................................... 54
1.1 Scope ....................................................................................................................................................... 54
1.2 The chiller ................................................................................................................................................. 54
1.3 Proper/Improper operation ....................................................................................................................... 54
1.4 Symbols in use ......................................................................................................................................... 55
2. Safety ................................................................................................................................................................. 56
2.1 Safety instructions for the operator and personnel .................................................................................. 57
2.2 Safety instructions for auxiliary and operating materials .......................................................................... 58
2.2.1 Glycol ................................................................................................................................................... 58
2.3 Residual risk ............................................................................................................................................. 59
3. Description of the chiller .................................................................................................................................. 60
3.1 Design Concept ........................................................................................................................................ 60
3.2 Functional Diagram .................................................................................................................................. 60
3.3 The Chiller: Overview ............................................................................................................................... 61
Refrigeration circuit - main components .............................................................................................. 61
3.3.1
Hydraulic circuit - main components ................................................................................................... 61
3.3.2
3.3.3 Safety and protection devices .............................................................................................................. 62
3.3.4 Main switch ........................................................................................................................................... 62
3.3.5 Control unit / Display ............................................................................................................................ 62
3.3.6 Connections ......................................................................................................................................... 62
3.4 Electrical and mechanical components .................................................................................................... 63
4. Technical data ................................................................................................................................................... 64
4.1 Application limits ....................................................................................................................................... 64
4.1.1 Ambient temperature limitation ............................................................................................................ 64
4.1.2 Voltage limitations ................................................................................................................................ 64
4.2 Type label ................................................................................................................................................. 64
4.3 Technical data sheet (short form) ............................................................................................................ 65
4.4 Cooling performance curve ...................................................................................................................... 67
4.4.1 EB 210 to 440....................................................................................................................................... 67
4.4.2 Correction factors ................................................................................................................................. 67
4.4.3 Chiller envelope ................................................................................................................................... 68
4.5 Pump performance curve ......................................................................................................................... 69
4.5.1 EB 210 .................................................................................................................................................. 69
4.5.2 EB 260 .................................................................................................................................................. 69
4.5.3 EB 310 .................................................................................................................................................. 70
4.5.4 EB 360 .................................................................................................................................................. 70
4.5.5 EB 410 .................................................................................................................................................. 71
4.5.6 EB 440 .................................................................................................................................................. 71
4.6 P&ID diagram ........................................................................................................................................... 72
4.6.1 Diagram ................................................................................................................................................ 72
4.6.2 Key ....................................................................................................................................................... 72
4.7 Dimensional drawing ................................................................................................................................ 73
Operating and Maintenance Instructions - Chiller - Series EB 210 - EB 440 © Pfannenberg GmbH Page 52 / 293