INSTRUCTION MANUAL(M98251301-03-13B)Earth leakage relayRGU-2
3�4�2� AS A MONITOR (RCM)Figure 4:Connection diagram of the unit as a monitor� 4�- START-UP 4.1.- DEFAULT CONFIGURATIONWhen the unit is power
In case a level of leakage has been detected, the LCD will show the earth leakage symbol, (Figure 6)� Figure 6: Earth leakage protection with leakage
When the instantaneous leakage current has been measured, the RGU-2 unit will operate in accordance with the programmed parameters: - Trip current (I
The following are shown on the display by default: - IΔn, Adjusted trip current and associated units. - td, Delay time of the adjusted trip and associ
AUX relay fault screen (Figure 13)� Figure 13:Fault relay screen� 5.3.- LED INDICATORSThe unit has the following LEDs:LED ONGreen LED, indi
5.5.- OUTPUTSThe unit has two independent output relays: 5�5�1� TRIP RELAY, TRIPSwitched contact relay (terminals 13, 14 and 15 in Figure
PROGTrip delay time, tdThe current value will start ashing. Press the RESET key gradually to browse all programming values (Tabla 3). Accept with the
5�6�2 PROGRAMMING THE AUXILIARY RELAY, AUXOpen the auxiliary output screen and hold down the RESET key for 2 seconds to program the operation of
5�6�3 FREQUENCY AND STATUS OF THE OUTPUT RELAY CONTACTSTo program the frequency and status of the output relay contacts, TRIP and AUX, open the
5�6�4 LOCKING THE KEYBOARDThe unit has a series of devices that can be used to disable the programming operations (seal-able PROG button). Howev
2RGU-2 Earth Leakage RelayInstruction Manual
5.7.- TRIP EVENTSWhen a circuit breaker has been activated, the LEDs, output contacts and display will indicate the cause that generated this si
5�7�2� LOCAL / EXTERNAL TEST TRIP LED ON LED, off. LEAKAGE LED, xed. OUTPUT RELAYS The TRIP relay (terminals 13,14,15) changes its status. The
5.8.- RECLOSING SYSTEMThe reclosing system varies after a leakage or test trip, in accordance with the unit's connection diagram. 5
6�- TECHNICAL FEATURESPower SupplyVoltage 110V AC o 230V ACTolerance -20%, +20%Frequency 50 Hz - 60 HzMaximun consumption 6 VA ( 110V AC) - 6 VA ( 23
6.1.- DIMENSIONSFigure 21:Dimensions of the RGU-224RGU-2 Earth Leakage RelayInstruction Manual
7�- MAINTENANCE AND TECHNICAL SERVICE 8�- WARRANTYIn the case of any query in relation to unit operation or malfunction, please contact the CIRCUTOR,
9�- CE CERTIFICATE26RGU-2 Earth Leakage RelayInstruction Manual
APPENDIX A: TRIP CURVESFigure 22: Instantaneous Trip Curve�Figure 23: Selective Trip Curve�INSTANTANEOUS CURVE( INS)SELECTIVE CURVE( SEL)27Instructio
CIRCUTOR, SA Vial Sant Jordi, s/n08232 -Viladecavalls (Barcelona)Tel.: (+34) 93 745 29 00 - Fax: (+34) 93 745 29 14 www.circutor.es central@circuto
SAFETY PRECAUTIONS DISCLAIMERDANGERWarns of a risk, which could result in personal injury or material damage.ATTENTIONIndicates that special attentio
CONTENTS SAFETY PRECAUTIONS �����������������������������������������������������������������������������������������������������3 DISCLAIMER �
REVISION LOGTable 1: Revision log�Date Revision Description10/13 M98251301-03-13A Initial Version11/13 M98251301-03-13B Modied Figure 15Instruction
1�- VERIFICATION UPON RECEPTIONCheck the following points when you receive the unit: a) The unit meets the specications described in your order.
3�- UNIT INSTALLATION 3.1.- PRIOR RECOMMENDATIONSIn order to use the unit safely, it is critical that individuals who handle it follow the safe
3.2.- INSTALLATIONThe unit is installed on a DIN rail. All active conductors that supply the loads or the part of the installation where the e
3.4.- CONNECTION DIAGRAM 3�4�1� AS A PROTECTION ELEMENT (MRCD) A�- SHUNT COIL TRIP (Manual reclosing system with RESET)Figure
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