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EN/06.2016/i09 © STULZ S.p.A. – all rights reserved
WSA ExplOrEr OriginAl inStructiOnS
6.7 Electrical connection
WArning
The electric cables must be only connected by an authorized specialist.
The connection terminals are designed for copper cables.
• Ensure that the electric cables are de-energized and the unit is turned off.
• Ensure an appropriate isolation of all sources of supply to the unit.
• The unit must dispose of an effective earthing.
• These units are provided for 400V/3Ph/50 Hz.
• No additional controls should be installed in the control panel.
• According to EN 60204 the operator is responsible to install current protection devices
between the supply conductors and the power supply connection of the unit.
• Consider local regulations for the electrical wiring.
WArning
Do not touch electronical components, without taking care of protective ESD measures.
6.8 Opening the electric cabinet
The switched ON main switch prevents opening the doors of the power section (2 doors). Only, if
the main switch is in position "0" you can open the doors of the power section.
The doors of the electric cabinet can be opened by the key which is delivered with the chiller.
Double bit 3-5 key
