USER MANUAL - Comar Condensatori
Contents
1. QSR6 User manual page 21 ENGLISH aaa ct iv 15 2 1 2 2 2 3 24 2 5 3 1 3 2 3 4 3 5 4 1 Index Instruction Introduction Operator safety Instructions for proper installation Cleaning Warranty General Unit description Mechanical fixing Working situation Power of controlled banks Number of steps Technical features General features Reference standard Mechanical dimensions Pinout diagram How to choose the C T Functions Powering on p 22 p 22 p 23 p 23 p 23 p 24 p 24 p 24 p 24 p 25 p 25 p 25 p 26 p 26 p 27 p 28 p 29 p 30 p 32 p 32 21 4 2 4 3 4 5 4 6 4 7 5 1 5 2 Key functions Automatic Manual Manual insertion of the banks Alarms Alarm memory Set up C K setting P F setting Working troubles and solution p 32 p 33 p 34 p 35 p 36 p 37 p 38 p 38 p 39 p 40 ENGLISH 1 Instruction 1 1 Introduction Before connecting the regulator to the mains read the instructions in this handbook they provide important indications about the safety use and maintenance Take carefully this handbook for any information This regulator has been manufactured and tested in accordance with international standard it leaves the factory in perfect safety conditions In order to mantain these condition and to ensure safe operation the user must comply with the instructions and remarks given in this manual After removi2. 5 Set up The suggested value to set is given on the table 5 1 C K setting Use the or E buttons to change the selection C K Power 1 bank kvar TA C T 30 5 50 5 60 5 80 5 100 5 150 5 200 5 250 5 300 5 400 5 500 5 600 5 800 5 sor 1000 5 Puss 4 seconds for aut functioning 12005 2000 5 2500 5 3000 5 4000 5 10 12 5 20 25 40 50 Power Factor Regulator 41 14 2121 po ro ro rol ro co 60 co 69 Un cn a 2 ro ro 60 cs do Jojo a a mo r ro ooo cs co co e joio mnnon ro ro ro co colco calca jor e je fofo nimi aaa fofo minili When the CT secondary current signal is ATA lower than 2 amps the C K value should E cD be increased by 0 1 When using the regulator on 220Vac networks the C K values should be doubled means installation of C T with primary value too small 38 ENGLISH 5 2 P F setting After setting the C K value Power Factor Regulator Pra Press the Manual key Blinkin 39 Use the or LJ buttons to change the selection A P F of 0 95 is recommended By pressing the a button the C K and P F values which have been selected will be saved and the regulator works in Automatic condition ENGLISH 6 Working
3. 6 Alarms The QSR has a normally closed NC alarm contact rated 5A 250 V resistive load It will be possible to give an external alarm signal This contact is signed with X1 and X2 in the base of the regulator When alarm condition disappears the regulator will reset itself automatically Reference Condition Display indications Alarm relay x2 No supply V 0 voltage Blinking Low P F value PF IND in the network for 15 minuts VELHA V lt 340Vac RMS Blinking Quick switch Low voltage off for all for 10 seconds outputs V gt 450Vac RMS king GG SBAS High voltage off for all for 10 seconds outputs Blinking X2 Quick switch A lt 50mA RMS ff for all Zero Current for 10 seconds pr E n 36 ENGLISH last alarm press as at the same time 123 A dot indicates an alarm message stored in memory 37 Reference Condition Display indication Alarm relay Blikin X1 X2 ibi A lt 350mA RMS output Low current for 10 seconds insertion Blikin x1 X2 A gt 5 5A RMS Hight current for 10 seconds PF lt 0 20 Ai Quick switch A off for al Leading P F value for 10 seconds outputs T gt 50 C Bikin XIXa Quick switch Hight temperature for 10 seconds off for a Hysteresis level 5 C outputs XI X2 Standard No alarm operation 123 4 7 Alarm memory To visualize To erase memory press EA ENGLISH
4. EN50082 1 EN50082 2 EN50011 EN55022 CEI EN 605 29 27 ENGLISH 3 3 Mechanical dimensions 96mm 91mm ITTTTT T E co H ee EJEIE gim o E oO a ey et m m Y 60mm 38 2mm 3 5mm 18 3mm T Power Factor Regulator T EE E E JB Sa s a gt 400 Y 28 ENGLISH 3 4 Pinout diagram Carichi E t Loads Charges Verbraucher Cargas X1X2123456C Ls Allarme Alarm Alarme St rung Alarma 29 L3 T L2 S L1 R ENGLISH 3 5 How to choose the CURRENT TRANSFORMER C T Use a Current Transformer C T with 5A at secondary circuit and primary equal or slightly higher than the maximum absorbed by the loads The C T must be chosen in such a way to obtain a good current signal in the secondary circuit Current values between 0 5 and 5Amps are suitable to obtain good working conditions of the regulator The C T must be good quality first class and with power equal or higher to 5VA If the C T has been mounted far from the equipment it needs to add the normal demanded the power consumed from the cables of connection normaly 0 2VA per meter of bifilar lines with 2 5mm section and the power dissipated by others possible tools connected in the circuit The equations
5. the rated voltage of the regulator a Check if supply voltage is equal to the rated voltage of the regulator b Check the OVac connection on contactors 9 Check if 220Vac has been connected on C terminal d Check contactor functioning 5 Possible capacitive load condition CT installed in the wrong phase connect to phase L1 4 6 b c P F lower than 0 20 IND or CAP Displayed on display a Zero current signal check the C T and its connection and ensure the minimum secondary current level is least 10mAmps 3 4 b C T connected on the supply cable of the PFC equipment Connect according the connection diagram 3 4 IF PROBLEMS PERSIST AFTER ALL ABOVE MENTIONED SOLUTIONS SWITCH OFF THE REGULATOR FOR AT LEAST 20 SECS AND THEN SWITCH ON AGAIN IF THE PROBLEM IS STILL PRESENT PLEASE CALL OUR TECHNICAL DEPARTMENT 40 ENGLISH
6. tuonbles and solution TROUBLE Soluzione All banks on with a low inductive load on the network The CT is connected upstream the load but not of capacitors Connect the CT as shown in the connection diagram 3 4 Continous switching on and off of first bank hunting phenomena a The C K value is not correct Check in the table C K VALUES for the right value 5 1 b The power of the first bank is too high for the selected PF requirements Reduce the first bank power according to paragraphs 2 4 and 2 5 Increase the selected PF value 8 5 2 Displayed PF values not correct CT installed in the wrong phase connect to phase L1 3 4 IND and CAP leds off IND led ON and no insertion of capacitor banks a Possible stand by condition at least one capacitor bank on Check the PF value of the network on the display b Possible MANUAL working condition choose the AUTOMATIC operation Minimun current alarm Current lower than 500mA see 4 6 CAP led is ON without capacitor banks working Blinking display Display off regulator not working Display on banks inserted signalling but capacitors not working Displayed ALARM CAP on display CT installed in the wrong phase connect to phase L1 see 3 4 a Alarm condition of least one value see chapter 4 6 b Check supply voltage is correct a Check if supply voltage is present b Check if supply voltage is equal to
7. Used in SET UP enable setting of the value Used in Automatic enable visualization and reset of Alarm 32 ENGLISH 4 3 Automatic Fig 3 Fig 1 inductive loads connected motors transformers decharge lamps etc IND indication on and regulator that inserts the required outputs Fig 2 capacitive loads connected CAP indication on and regulator that disconnects the exceeding outputs Fig 3 P F value setted is achieved when Cap and IND indications are off Output are not changing 33 ENGLISH 4 4 Manual Power Factor Regulator Power Factor Regulator 0 93 PF MANUAL 0 99 PF MANUAL WEF CAP BIA cae ose Fig 1 The key is lit on Fig 3 Output switch off 5053 ai ao Manual working visualize balanced load IND and CAP indication off Switch on off are made only after the proper response time 25 seconds standard 4 Soup I ED i i Fig 2 Output insertion switch on 34 ENGLISH 4 5 Manual insertion of the banks Power Factor Regulator Power Factor Regulator In Automatic operation the stored output are always on The remaining output are working in Automatic the stored output can be disconnected exclusively Blinkin when operation shows in fig 3 occurs key on key pressed or ES switching off the power supply Power Factor Regulator N ci 35 ENGLISH 4
8. lows correct operation and display even in presence of harmonics The central microprocessor unit controls all settings and parameters 2 2 Mechanical fixing The regulator should be mounted in a cutout drilling template 92x92mm using the special fixings supplied 24 ENGLISH 2 3 Worning situation The regulator works according to binary logic sequence the switching on and off of capacitors banks always start from the first bank 2 4 Power of controlled banks For correct operation of the automatic bank the power ratio per bank should be a equal to each other 1 1 1 1 1 1 1 1 b double of the previous bank 1 2 4 8 16 32 Cc equal or double of the previous bank 1 1 2 2 4 4 2 5 Number of steps Is determined by the power combination which has been used on single capacitors bank Examples 6 banks in the sequence 1 1 1 1 1 1 make 6 steps 6 banks in the sequence 1 1 2 4 4 4 make 16 steps 6 banks in the sequence 1 2 4 8 16 32 make 63 steps Note A too high number of steps as a too high power of first step produce an high number of switching operation that reduce the life of the equipment When the first step is too high in power hunting may occur which again would produce excessive wear and reduced life of the components Normally 8 16 regulating steps is the best solution to adopt 25 ENGLISH 3 Technical features 3 1 General features Rated supply voltage Rated consumption Rated suppl
9. ng the packaging check that the regulator has not been damaged during transport In case of doubt do not attempt to fix or use the regulator If the equipment has falled down or has been violently shaken during transport it could suffer internal damages which may be dangerous After checking that regulator cannot be safely used it must be placed out of order and not used before checking of experienced personnel Causes that bring to put the regulator out of order are the presence of external damages missed functioning unproper stocking or transport conditions Technical Assistance on the regulator must be performed exclusively by COMAR personnel 22 ENGLISH 1 2 Operator safety Before to perform any maintenance the regulator must be disconnected from any power supply source wait 5 minutes before start any action During maintenance it is necessary to follow standard safety procedures Do not touch any printed circuit board for any reason This regulator will be assigned only to the use for which it has been specifically made Each other use has to be considered improper and therefore dangerous 1 3 Instruction for proper installation Before connect the equipment check the data plate this has to be in conformity with the electrical network the plate is located on the back of the P F Regulator The regulator is not provided with protection fuse on the power supply it has to be protected externally by the user Being
10. the C T P F correcting two or more lines transformers in parallel you need to use two or more C T 5 of which the secondary circuits will be supplied a add transformer with 5Amps at secondary connect the current transformers at the same phase If two or more C T s are used with an additional transformer the value of the primary current is the sum of each C T Example n 3 C T s 500 5 n 1 C T 1500 5 Connecting two or more cables for load and P F Regulator on the same terminal phase L1 from the general main switch It needs to pass through the hole of the C T all the derived cables Note QSR regulators are able to detect automatically the current phasing of the CT It is not necessary to ensure correct polarity connections as with other Power Factor Regulators 31 ENGLISH 4 Functions 4 1 Powering on When power is switched on an internal self test routine has been performed The display shows the installed s w release After start up process the regulator is working in Automatic operation P F Value P F Lag Spinning when gt PF Lead working Banks Banks disconnection connenction Output Output ON OFF 4 2 Key function The key El enable change from Automatic to Manual light is on When pressed for 4 seconds it enable to enter the set up page and confirm setting Keys E used in Manual enable switch on and off the output
11. the regulator designed for permanent operation CEI EN 61010 1 the supply have to be interrupted by automatic switch which has to be placed close the regulator for easy intervention For the correct functioning of the equipment the limit of voltage current and temperature imposed by the CEI and IEC standard must never be pn The equipment has to be protected from athmospheric conditions 1 4 Cleaning After disconnecting the instrument from the power supply clean the external surface of the plastic box using a soft cloth dipped in water only Never use abrasive or solvent Never wet the connection terminals 23 ENGLISH 1 5 Warranty Comar Condensatori S p A guarantees its own products for twelve months from purchase date The warranty covers the faults of materials and manufacture and it has to be understand for goods ex works Before the equipment works all instructions present on this handbook have to be meticulously followed Breakdowns caused from improper use and or not conformity to enclosed instructions and faults caused from tampering by unqualified technicians aren t covered The misuse of any of the previous points will erode the right of warranty 2 General 2 1 Unit description QSR is an automatic microprocessor regulator which operates the switching on and off of the capacitors steps which are necessary to reach and to maintain the required power factor value The QSR operate an RMS measure which al
12. used to calculate the real losses are the sequents R 2xpxL S 92 Total resistance of amperometric circuit P R 0 08 x F VA Losses of amperometrical circuit P is the adi ARCA 0 018 for the copper L is the length of amperometric circuit mt S is the across section of cables at the secondary of TA T is Imax at the secondary of C T 0 08 are the internal resistance of P F regulator When single phase inductive loads are connected unbalanced three phase system place C T on the phase where Power Factor is lower and or where higher current value is absorbed The cables at the secondary of C T have to be of 2 5mm section The OT connection must not to be protected with fuses or interruped by switch 30 ENGLISH The C T has to be connected to the line upstream the load and the P F Regulator the C T can then measure the current demanded by the load inductive and capacitive Possible capacitors for fixed P F Regulation will be mounted downstream of the C T as they aren t used and dimensioned for the P F Regulation of transformers that feed the load It s important to check that the phase where the C T is connected is the same that will be connected to terminals of the main switch inside the equipment signed with the letter L1 Before doing any work on the C T circuit be sure that the C T is short ce otherwise dangerous voltages can rise add bringing to breakdown
13. y current Current circuit consumption Rated frequency Controlled banks Output relays Max current relays common Switching steps delay Alarm delay P F setting Operating range Digital monitoring Measurement monitoring Accuracy Multivoltage 380 415V a c 10 400V 10 5 continuous operation 3 VA By means of CT secondary side 5A max 1 class 5VA Imin 500mA 2VA 50Hz or 60Hz autoset 6 5A 250 Va c resistive load 5A at 40 C resistive load 25 5 on request 10 1 0 90 lag 0 90 lead Power Factor 0 20 1 00 lag lead Alphanumeric 2x16 characters LCD display P F 0 20 1 00 lag lead On the P F regulation range 2 f s at 25 C and 2 5A 26 ENGLISH Temperature accuracy Connection Mechanical dimensions Cut out dimension Mechanical fixing Plastic case Weight Protection degree Working temperature Storage temperature Relative humidity Type of service 3 2 Reference standard Safety EMC Protection degree 10 With terminal fixing screws cable of 2 5 mm c s a 96x96 mm FRONT according to DIN43700 60mm DEPTH 92x92 mm tolerance Omm 1mm With the special accessories supplied included Insulating self extinguishing material 0 5 Kg IP 54 front panel IP20 terminal board 0 C to 50 C 20 C to 60 C Max 90 at 20 C noncondensing Indoor service no dusty condition Do not place directly under sun light IEC 1010 440V CAT III
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