Fronius IG 300 Manuel d'utilisateur télécharger pdf (Page 11)

The FRONIUS IG is constructed and operated in the safest possible way, both in terms

of installation and operation. The DC and AC sides are completely galvanically (electri-

cally) isolated from one another to ensure optimum levels of safety.

The FRONIUS IG is used for galvanic isolation and for monitoring the mains network.

These functions include the passive and active measures for protecting both people and

equipment.

In the event of abnormal conditions in the mains network (e.g. mains disconnection or

interruption), the FRONIUS IG will immediately stop working and will cease feeding

current into the mains network.

This is a safe way of preventing dangerous voltages from developing on the AC leads

and is an important contribution to minimising dangers for maintenance engineers.

The FRONIUS IG offers a number of facilities for monitoring the mains:

- Voltage monitoring

- Frequency monitoring

- Over/undervoltage relay (optional)

The connection area must be opened only by an authorised installation engineer.

Never open the connection area when the power is connected.

The power supply unit’s enclosure must only be opened by a trained FRONIUS service

technician, and only when the power is disconnected.

Protection of personnel

Housing unit

Galvanic (electri-

cal) isolation

Monitoring the

mains network

WARNING! If the equipment is used or tasks are carried out incorrectly,

serious injury or damage may result. The tasks required to commission and

maintain your FRONIUS IG system must only be carried out by a trained

engineer, and in accordance with the technical regulations. It is essential that

you read the „Safety Regulations“ chapter before commissioning the equip-

ment or carrying out maintenance work.

Safety

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Fronius IG 300 Manuel d'utilisateur Page 11