Electrical Connections; Servicing And Maintenance - Galletti MCI 004H Manuel D'installation

2.4 - Electrical connections

All field electrical connections are the responsibility of the
installer.
DANGER
Electrical shock can cause severe personal injury or death.
These operations are carried out by qualified personnel
only.
WARNING
• This unit complies with Machinery Directive (2006/42/
EC), electromagnetic compatibility (2004/108/EC) and
pressure equipment (EEC/97/23) Directives.
• To avoid electric shock or fire make sure these
operations are carried out by qualified personnel only.
• Ensure that national safety code requirements have
been followed for the main supply circuit.
• Follow all current national safety code requirements.
• Ensure that a properly sized and connected ground wire
is in place.
• Check that voltage and frequency of the mains power
supply are those required; the available power must be
adequate to operate any other possible appliances
connected to the same line.
• Check that the impedance of the mains power supply is
in conformance with the unit power input indicated in
the rating plate of the unit (EN 61000-3-12).
• Make sure that properly sized disconnecting and safety
switches are installed closed to the unit.
• The disconnection devices from the mains supply must
allow full disconnection under the conditions provided
for by overvoltage class III.
CAUTION
• Connect the connecting cable correctly. If the
connecting cable is connected in a wrong way, electric
parts may be damaged.
• Connection to the mains supply is of the Y type;
therefore, the cable must only be replaced by the
technical support in order to prevent any risk.
• Use the specified cables for wiring and connect them
firmly to the terminals.
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2.5 - Servicing and maintenance

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All copying, even partial, of this manual is strictly forbidden
WARNING
Be sure to provide grounding; inappropriate grounding
may cause electric shock.
Do not connect ground wires to gas pipes, water pipes,
lightning rods or ground wires for telephone cables.
Do not modify this unit by removing any of the safety
guards or by by-passing any of the safety interlock
switches.
Contact the qualified service if one of the following
events takes place:
Hot or damaged power supply cable;
Unusual noise during operation;
Frequent operation of the protection devices;
Unusual smell (such as smell of burning).
CAUTION
Ensure adequate personal protective equipment is used.
Extraordinary maintenance operations must be carried
out by specially trained personnel.
Disconnect the mains power supply prior to any
maintenance operations or prior to handling any
internal parts of the unit.
CAUTION
This equipment contains refrigerant that must be
disposed of in a proper manner.
When disposing of the unit after its operational life,
remove it carefully.
The unit must then be delivered to an appropriate
disposal centre or to the original equipment dealer for
proper environmentally compatible disposal.