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Cooling circuit materials
Materials used in the internal cooling circuit are listed below. These are also the only materials
that can be used in the external cooling circuit.
•
stainless steel AISI 316L (UNS 31603)
•
heavy gauge aluminum
•
plastic materials such as PA, PEX and PTFE
Note:
PVC hoses are not suitable for use with antifreeze.
•
rubber gasketing NBR (nitrile rubber).
WARNING!
If connecting external piping to the internal cooling circuit, use only materials
that are specified above. Copper, brass or bronze must not be used under
any circumstances. Even minor dissolution of copper can cause copper
precipitation on aluminum and subsequent galvanic corrosion. The liquid
cooling system must not contain any zinc (eg. galvanized pipes).
If the plant incorporates normal iron pipes or cast iron accessories (eg. motor housings), a
cooling unit with a heat exchanger (such as the ACS880-1007LC) must be used to separate
the systems.
72 Internal cooling circuit
Summary of Contents for ACS880-604LC
Page 1: ... ABB INDUSTRIAL DRIVES ACS880 604LC 1 phase brake units as modules Hardware manual ...
Page 2: ......
Page 4: ......
Page 12: ...12 ...
Page 20: ...20 ...
Page 33: ...Overview of kits Mechanical installation 33 10 ...
Page 34: ...Stage 1 Installation of common parts 34 Mechanical installation ...
Page 35: ...Stage 2 Installation of mounting plate Mechanical installation 35 10 ...
Page 36: ...Stage 3 Installation of cooling components 36 Mechanical installation ...
Page 37: ...Stage 4 Installation of brake module and attenuator Mechanical installation 37 10 ...
Page 40: ...40 ...
Page 58: ...58 ...
Page 64: ...64 ...
Page 82: ...82 ...
Page 84: ...Brake chopper module NBRW 669 84 Dimension drawings ...
Page 85: ...Attenuator Dimension drawings 85 ...
Page 86: ...Brake resistor 234 300 1320 Ø 7 345 R R 1270 86 Dimension drawings ...
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