Mitsubishi FR-S500 Installation Manual download pdf (Page 5)

General safety information and precautions

The following safety precautions are intended as a general guideline for using the frequency in

verter together with other equipment. These precautions must always be observed in the de

sign, installation and operation of all control systems.

CAUTION

All relevant electrical and physical specifications must be strictly observed and

maintained for all the frequency inverters in the installation.

The load used should be a three-phase induction motor only. Connection of any

other electrical equipment to the inverter output may damage the equipment.

FR-S 500 EC/ECR 5

DANGER:

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Observe all safety and accident prevention regulations applicable to your specific

application. Installation, wiring and opening of the assemblies, components and

devices mayonly be performed with all power supplies disconnected.

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Assemblies, components and devices must always be installed in a shockproof

housing fitted with a proper cover and protective equipment.

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Devices with a permanent connection to the mains power supply must be integra

ted in the building installations with an all-pole disconnection switch and a suitab

le fuse.

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Check power cables and lines connected to the equipment regularly for breaks

and insulation damage. If cable damage is found, immediately disconnect the

equipment and the cables from the power supply and replace the defective ca

bling.

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Before using the equipment for the first time check that the power supply rating

matches that of the local mains power.

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Residual current protective devices pursuant to DIN VDE Standard 0641 Parts 1–3

are not adequate on their own as protection against indirect contact for installa-

tions with frequency inverter systems. Additional and/or other protection facili-

ties are essential for such installations.

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EMERGENCY OFF facilities pursuant to VDE 0113 must remain fully operative at

all times and in all control system operating modes. The EMERGENCY OFF facility

reset function must be designed so that it cannot cause an uncontrolled or undefi-

ned restart.

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You must also implement hardware and software safety precautions to prevent

the possibility of undefined control system states caused by signal line cable or

core breaks.

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Mitsubishi FR-S500 Installation Manual Page 5

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