Precautions for Safe Use and Installation
Consult the operating instructions before using the equipment. Following these precautions is a must for an error-
free operation and maintaining the eligibility for a warranty.
Therefore, please read this manual carefully before commissioning and using the RG3-12C/CS.
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POWER FACTOR CONTROLLER
RG3-12C/CS
ATTENTION!
No responsibility is assured by the manufacturer or any of its subsidiaries for any consequences rising out of
disregarding these precautions while handling the RG3-12C/CS.
Important Note for System Connection.
First, connection type of auxiliary supply, voltage measurement and current measurement input must be 3 phase-
neutral. The device will not operate properly if these connections are not done.
A 3-phase capacitor must always be connected to the first step. Providing that this connection is followed for the
first capacitor step, 3-phase or single phase capacitor banks can be connected to the other steps in any order
according to your systems needs.
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Do not energise the device before verifying terminal connections.
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Maintenance, installation and operation of RG3-12C/CS must be performed only by the qualified electricians.
Do not operate the device in undervoltage conditions.
Do not open the RG3-12C/CSs housing. There are no user servicable parts inside it.
RG3-12C/CS is connected to the network by means of a current transformer. Do not disconnect the current transformer
terminals. If you disconnect them, be sure to short-circuit the terminals or connect them to another parallel load which
has a low impedance. Otherwise, dangerously high voltage at the secondary side of current transformer may cause
an electric shock.
Do not use this product for any other purpose than its original task.
When device is connected to the network, do not remove the front panel.
Do not clean the device with solvent or similar items. Only clean with a dried cloth.
Verify terminal connections before commissioning.
Electrical equipment should be serviced only by your competent seller.
Device is only suitable for panel mounting.
Generator Input Connection
The connection to the generator input of the device must be done in a way that the energy comes to the system after the
generator connection to the network has been established. Otherwise, the device will switch to generator mode when the
generator is started for maintanence purposes.
If there is a voltage between 110-250 VAC present on the generator inputs of the device, the target
Cos
j
set on the device
is deactivated and target
Cos
j
2
is activated. Then the device starts the compensation according to target Cos
j
2. This
operation mode continues until the voltage on the generator input is disappeared.
Monitoring the measured temperature
In order make a correct measurement, J type (Fe/Cu-Ni) thermocouple must be connected to TEMP terminal and keep
worked at least 30 min. In order to observing the measured environmental temperature, press UP/DOWN buttons untill the
displaying the xxx.x value.
NOTE: RG3-12C/CS temperature measurement feature is optional.