Operating and Maintenance Instructions - Chiller - Series EB 210 - EB 440
© Pfannenberg GmbH
Page 3 / 50
EN
Content
1.
General ................................................................................................................................................................. 5
1.1.
Scope ......................................................................................................................................................... 5
1.2.
The chiller ................................................................................................................................................... 5
1.3.
Proper/Improper operation ......................................................................................................................... 5
1.4.
Symbols in use ........................................................................................................................................... 6
2.
Safety ................................................................................................................................................................... 7
2.1.
Safety instructions for the operator and personnel .................................................................................... 8
2.2.
Safety instructions for auxiliary and operating materials ............................................................................ 9
2.2.1.
Glycol ..................................................................................................................................................... 9
2.3.
Residual risk ............................................................................................................................................. 10
3.
Description of the chiller .................................................................................................................................. 11
3.1.
Design Concept ........................................................................................................................................ 11
3.2.
Functional Diagram .................................................................................................................................. 11
3.3.
The Chiller: Overview ............................................................................................................................... 12
3.3.1.
Refrigeration circuit
– main components .............................................................................................. 12
3.3.2.
Hydraulic circuit
– main components ................................................................................................... 12
3.3.3.
Safety and protection devices .............................................................................................................. 13
3.3.4.
Main switch ........................................................................................................................................... 13
3.3.5.
Control unit / Display ............................................................................................................................ 13
3.3.6.
Connections ......................................................................................................................................... 13
3.4.
Electrical and mechanical components .................................................................................................... 14
4.
Technical data ................................................................................................................................................... 15
4.1.
Application limits ....................................................................................................................................... 15
4.1.1.
Ambient temperature limitation ............................................................................................................ 15
4.1.2.
Voltage limitations ................................................................................................................................ 15
4.2.
Type label ................................................................................................................................................. 15
4.3.
Technical data sheet (short form) ............................................................................................................ 16
4.4.
Cooling performance curve ...................................................................................................................... 18
4.4.1.
EB 210 to 440....................................................................................................................................... 18
4.4.2.
Correction factors ................................................................................................................................. 18
4.4.3.
Chiller envelope ................................................................................................................................... 19
4.5.
Pump performance curve ......................................................................................................................... 20
4.5.1.
EB 210 .................................................................................................................................................. 20
4.5.2.
EB 260 .................................................................................................................................................. 20
4.5.3.
EB 310 .................................................................................................................................................. 21
4.5.4.
EB 360 .................................................................................................................................................. 21
4.5.5.
EB 410 .................................................................................................................................................. 22
4.5.6.
EB 440 .................................................................................................................................................. 22
4.6.
P&ID diagram ........................................................................................................................................... 23
4.6.1.
Diagram ................................................................................................................................................ 23
4.6.2.
Key ....................................................................................................................................................... 23
4.7.
Dimensional drawing ................................................................................................................................ 24
