685408006D 42
Electrical connection port of cooling unit:
Both mains voltage and frequency must correspond to the nominal values indicated on the name plate of the
cooling unit. There are more labels with signs and explanaintion on the housing of the unit.Read them carefully
before connection.
The fault signal contact may be loaded with max.230V, 1A
Communication Connection:
The unit supports standard Modbus protocol and RTU mode. There are five options baud rate to choose and
the factory default setting is 9.6Kbps. It allows 32 units to be connected together as a network. In order to link
cooling units, following methods shallbe taken:
In order to aviod any destructive effect, should use twist-pair cable with protective sheath.
Connect the shield sheath to earth terminal, a 120ohm matching resistance should be connected to the last
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