User Manual APFC Relay Cat No. 63 PFC
Contents
1. used to select the mode of operation i Bers The capacitor switch ON OFF is automatically related to power factor in order to control the power factor with in the specified range ii DYER Controller is by passed and the user can select the capacitor by pressing navigation keys 4 tw A c System Protection i Always Install 6 Amp MCB On Common ii Always use proper fuse 15mm glass fuse Common 5 Amp 415 VAC 250mA S1 S2 CT 10Amp iii Do Not Use Coil Volt of Contactor Above 240Volt iv Choose CT 2 to 3 times of Load Current Secondary CT 5Amp v Always install indoor 5 System Programming TO UNLOCK RELAY press Eg key Display shows stored value of set Dead Band Set Dead Band at 0H by pressing or A key amp Press CB Key At 00H Dead Band relay is in unlock mode TO LOCK RELAY press ESdkey display shows stored value of set Dead Band Set any Value of Dead Band Except U5H by pressing wor Akey Press CB Key Now Relay in lock mode During lock mode the set values of PF dead band delay on delay off CT Ratio Current sensitivity amp Auto Scroll cannot be changed 5b SYSTEM RESET Switch off the relay keep pressing A key and switch on the relay All default factory parameters get stored auto matcally System Programming 5c DEFAULT FACTORY SET PARAMETERS Target PF 105 unity PF Dead band 005 On Time Delay n05 Off Time Delay FU5 sens2. 50 to 460VAC 110V 220V against Order 2 Current Path 10mA to 5 00 Amp Isolated 1 00 Amp Against Order 0 90 lag to 0 90 lead 8 Switching Time Delay a On delay 1 to 60 seconds b Off delay 1 to 60 seconds 9 Dead band 0 01 to 0 20 10 Ampere Sensitivity 1 to 20 Amp Binary Intelligent 18 Dimensions 144m m W x144m m H x 115mm D 19 Bezel Panel Cut Out 140mmx140m m imm Note Specification may change due to continuous development 2 Display amp Indications 9 D s 9 69 G2 3 G9 9 9 5 Q9 9 E wp m j ejl e 1 Bright Red 1 7 Segment 3digit Display 2 Lead PF Indication 3 LAG PF Indication 4 PF Indication 5 KW Indication 6 Volt Indication 7 Ampere Indication 8 to 19 These Led s Indicate On Status of Contactors Capacitors 20 Auto Mode Indication 21 Manual Mode Indication 22 Auto Scroll Indication 23 Program Blinking Indication 24 Auto Manual Select Key 25 On Off Delay Time key 26 Set Function Keys For Optimum Programming 27 Target PF Program Key 28 Dead Band Program Key 29 Navigation Key Upward Increase 30 Navigation Key Downward Decrease 31 Program Enter key 3 Important Instructions Must Read i Always Install CT On Phase With Maximum Load Current amp Connect Rest of 2 Phase to 415VAC of Relay Through MCB Max 6Amp ii Install CT Before APFC Panel amp Factory Load As Shown in Wiring Diagr
3. 7 All capacitors on but At the extreme is the possibility relay shows lag PF or the total installed KVAr is too low below the desired PF Check if the capacitors are healthy Remedy is to add capacitors 8 Relay shows on Check common fuse SAmp status of capacitor but no contactor is on 8 HOW TO CHOOSE THE SIZE OF CAPACITOR PANEL IN KVAr Runnin Et nom on ae ae an cos Example Running Load KW Running PF Desired PF Multiply Factor From Table Already connected Capacitor KVAr 5 00 Required Panel KVAr Connected Capacitor KW x Multiply factor Required Panel KVAr 5 50 x 0 52 31
4. User Manual CELEC 63PFC LEAD o PF Kw LAG Q N A A B 0000000000 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 POWER FACTOR CONTROLLER ps 4 re D 9 ae ee w e 63PFC POWER FACTOR CONTROL RELAY CELEC Enterprises Other Product Range Power Factor Control Panels 1phase amp 3phase Static Power Factor Control Panel 2phase amp 3phase gt Multifunction Power amp Energy Analyzer 16 amp 39 with computer software amp Remote Display P Maximum Demand Controller P Peak Load Controller amp Digital Time Switches gt Digital Panel Meters Complete Range 144mm x 144mm 96mm x 96mm 96mm x 48mm Welcome to the world of Powerfactor correction systems from CELEC amp thanks for purchasing CELEC product Contents 1 Specifications 2 Display amp Indications 3 Important Instructions Must Read 4 System Installation a Wiring diagram b Manual test c System protection 5 System Programming a System Lock b System Reset c Default factory set parameters d To change Target Power Factor e To change On Delay Time f To change Off Delay Time g To select CT Ratio h To change current I sensitivity 1 Auto scroll j To change dead band Trouble Shooting 1 2 3 8 4 4 4 3 a 3 35 J 3 6 6 6 6 6 P 8 How to Choose the size of Capacitor Panel in KVAr l Specifications 1 Voltage Input 3
5. VAr UU amp 51 AUTO SCROLL Press amp key for 5 sec to activate or deactivate auto scroll mode in system unlock Scroll LED indicates scroll in auto mode 5j TO SET DEAD BAND Press R key display shows stored dead band To change dead band press A w key To store press key 90 91 92 93 94 05 P VA E PRU IHE 4 95 94 93 92 91 90 dead band 004 dead band 004 Target PF 6 Trouble Shooting Before Trouble Shooting Always Reset System FAULT REMEDIES 1 Display shows CL Reverse CT polarity interchange S1 to S2 2 Display shows ELo a Check CT 10 amp fuse b Check if load current is less than current sensitivity of relay PF but stages off diagram See page no 7 4 Relay switches the a Check if current of APFC panel capacitor On but amp load current is passing out power factor does through CT not improve b The capacitors are defective the best way to find out is to measure the capacitor with capacitor meter c Current polarity of APFC panel through CT is reversed 5 Relay doesn t hold a Increase the dead band setting if problem persists even when the dead band setting is higher it means that the size of capacitor is too large for load The remedy is to change with the smaller one b check if capacitors are in increasing order 6 Relay is dead a Check fuse 250mA on terminal block b Check Voltage at 415VAC terminal using multimeter Do not check with a neon tester
6. am at page no 7 111 Choose CT 2 to 3 times of Load Current amp Program CT to Display Exact KW Secondary CT 5Amp iv Always Set Ampere Sensitivity to Avoid Hunting At Low Current v Pay Special Attention For The Size of CT Wire 2 5mm Copper Conductor Wire is Recommended vi Always Install Capacitors in Increasing Order Capacitor Ratio 1 2 4 6 10 Or ratio Should Not Increase 2 4 8 15 vii Install Branded Capacitors Preferably Epcos Square cap viii Do Not Use Coil Voltage Of Contactors Above 240V ix Fix Capacitors On LT Side of Transformer For Transformer PF Compensation If Energy Meter Installed On HT Line System Installation Appropriate Specifications must be followed while electrical installation taking care following specifications a Input voltage range 350V to 460V 250mA fuse b Current transformer of 5 Amp secondary 10A fuse c Control circuit for 230V AC 5A use 5Amp fuse MCB externally 4 a Wiring Diagram MEASUREMENT CONTROL RELAYS IB s1 82 5A Reverse ct polarity in case of cCE display 10K 10W decrease current sensitivity incase CLo Display Capacitor While using contactor always prefer to use contactor with 2 NC Auxiliary contacts use 10K 10W resistance for capacitor discharge circuit as shown in the diagram or use capacitor duty contactors Must read important instructions at page no 7 4 b Manual Test AUTO MANUAL SWITCHING This switch is
7. itivity 005 amp CT Ratio 500 5 5d TO CHANGE TARGET POWER FACTOR Press key display show present value of target power factor to change value of PF press A SF key To store press key 90 91 92 93 94 95 96 97 98 99 100 99 98 97 96 95 94 93 92 91 90 Lag PF UNITY PF Lead PF 5e TO CHANGE ON DELAY TIME Press Key display show default stored value of On Delay Time to change press A w key to store pressQ key 5 System Programming 5f TO CHANGE OFF DELAY TIME Press Akey ETRESIRIE display shows F stored value of OFF Delay Time to change press A tw key to store press Q key 5g TO CHANGE CT RATIO Press H amp E keys both a time Display shows stored value of CT Ratio To change Press A w key To store press key 5h TO SET AMPERE 1 SENSITIVITY Press Fag amp keys both at a time Display shows stored ampere sensitivity to change press A w key to store press key Purpose of sensitivity is avoid hunting of first capacitor at low current display shows 001 means 1Amp 00 1 means 0 1Amp 005 means 5Amp 00 5 means 0 5Amp If user requires 1st capacitor say 1K VAr to be switched on at 3Amp of current I then Set sensitivity at 003 to avoid hunting at low load System Programming Recommended sensitivity at motor load For first capacitor of 1K VAr 003 amp For first capacitor of 2K VAr 005 amp For first capacitor of 3K VAr 001 amp For first capacitor of SK
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