Datakom DFC-0108 Installationshandbuch

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DFC-0108 POWER FACTOR CONTROLLER

8 BANKS, HARMONIC DISTORTION

DISPLAY

DFC-0108 is a high technology controller

allowing the power factor of the installation to

be stabilized to the requested value by

switching capacitor banks through contactors.

The unit allows also the visualization of

various AC parameters like a network

analyzer.

The unit makes harmonic analysis up to the

31th component. The THD values of all

voltages and currents are available.

Stepping algorithms are selectable between

various types. Thanks to the automatic setup

function, the commissioning and programming

are made easy.

SAFETY NOTICE

Failure to follow below

instructions will result in

death or serious injury

* Electrical equipment should be installed only

by qualified specialist. No responsibility is

assured by the manufacturer or any of its

subsidiaries for any consequences resulting

from the non-compliance to these instructions.

* Check the unit for cracks and damages due

to transportation. Do not install damaged

equipment.

* Do not open the unit. There is no

serviceable parts inside.

* Fuses of fast type (FF) with a maximum

rating of 6A must be connected to phase

voltage inputs, in close proximity of the unit.

* Disconnect all power before working on

equipment.

* When the unit is connected to the network

do not touch terminals.

* Short circuit terminals of unused current

transformers.

* Any electrical parameter applied to the

device must be in the range specified in the

user manual.

* Do not try to clean the device with solvent or

the like. Only clean with a dry cloth.

* Verify correct terminal connections before

applying power.

* Only for front panel mounting.

INSTALLATION

Before installation:

 Read the user manual carefully, determine

the correct connection diagram.

 Remove all connectors and mounting

brackets from the unit, then pass the unit

through the mounting opening.

 Put mounting brackets and tighten. Do not

tighten too much, this can brake the

enclosure.

 Make electrical connections with plugs

removed from sockets, then place plugs to

their sockets.

 Be sure that relay outputs are not

overloaded. If necessary use extra

contactors.

Below conditions may damage the device:

 Incorrect connections.

 Incorrect power supply voltage.

 Voltage at measuring terminals beyond

specified range.

 Current at measuring terminals beyond

specified range.

 Overload or short circuit at relay output

Current Transformers must be

used for current measurement.

No direct connection allowed

Below conditions may cause abnormal

operation:

 Power supply voltage below minimum

acceptable level.

 Power supply frequency out of specified

limits

 Current transformers not matching related

phases.

 Current transformer polarity incorrect.

 Inadequate on-delay setting

 Inadequate off-delay setting

Detailed user manual of this product

may be downloaded at: