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INSTRUCTION MANUAL

Power factor regulators

computer MAX 6 / computer MAX 12

(M98228201-03-17A)

Summary of Contents for computer MAX 12

Page 1: ...INSTRUCTION MANUAL Power factor regulators computer MAX 6 computer MAX 12 M98228201 03 17A...

Page 2: ...2 computer MAX Instruction Manual...

Page 3: ...ully prior to connecting the unit Follow all installation and maintenance instructions throughout the unit s working life Pay special attention to the installation stan dards of the National Electrica...

Page 4: ...GES 16 5 4 ALARM RELAY 16 5 5 REGULATOR STATUS AND KEY FUNCTIONS 17 5 5 1 KEY FUNCTIONS IN NORMAL RUN STATUS 17 5 5 2 KEY FUNCTIONS IN SET UP STATUS 17 6 CONFIGURATION 19 6 1 CONFIGURABLE PARAMETERS 1...

Page 5: ...s only and may differ from the orig inal device SYMBOLS Table 2 Symbols Symbol Description In compliance with the relevant European directive Safety category of the device Class II Device covered by E...

Page 6: ...g voltage Frequency either 50 or 60Hz Output relays characteristics Figure 1 Rear face label b The device has not suffered any damage during transport c Perform an external visual inspection of the de...

Page 7: ...at least 5 minutes to ensure that the capacitors are totally discharged During the installation maintenance or commissioning of equipment regulated by a computer MAX device the following safety preca...

Page 8: ...T that way the times of use of all stages are equalized 2 3 3 STAGES AND STEPS We must distinguish between these two terms In this manual we call stage to each of the capacitor groups that constitute...

Page 9: ...different stage powers kvar and the first stage power which value is taken as device 1 The successive stages will be designated by 1 or 2 or 4 etc meaning that the kvar ratio of such stages with regar...

Page 10: ...to 31 steps in MAX 6 or up to 79 steps in MAX 12 Four quadrants control see Figure 2 display of the connected stages of cos and active and reactive power signs inductive or capacitive LCD display scr...

Page 11: ...be mounted attached to the front door of the cabinet The fitting hole must be according to DIN 43 700 dimensions 138 1 x138 1 mm 4 2 CONNECTIONS Before connecting the supply to the device check the fo...

Page 12: ...NONE of the CAPACITOR STAGES WILL CONNECT The equipment does not regulate properly If CT is placed in this position ALL THE CAPACITOR STAGES WILL CONNECT WARNING This situation may cause overcompensat...

Page 13: ...See device label COM 0 1 2 3 4 5 6 A B S1 S2 C D RELAYS C1 C6 SUPPLY AND MEASURE TERMINALS V P1 P2 Figure 4 Computer MAX 6 4 4 2 COMPUTER MAX 12 Table 5 Computer MAX 12 terminals Nr Description Nr Des...

Page 14: ...3 4 5 6 A B S1 S2 C D RELAYS C1 C6 RELAYS C7 C12 SUPPLY AND MEASURE TERMINALS V P1 P2 Figure 5 Computer MAX 12 Note For computer MAX 12 devices 12 relay outputs the connection between COM termi nals...

Page 15: ...ing or capacitive PF connected stages and measurement of different parameters see 5 2 MEA SURED PARAMETERS Table 6 Display screen Icons Screen and LEDs Icons indications Lagging or inductive power ind...

Page 16: ...some stages should be disconnected but all the stages are already disconnected E03 Under compensation The regulator detects that some stages should be connected and all the stages are already connecte...

Page 17: ...enter set up mode After a long push 1 s of this key the device will enter the set up mode and will accept configuration changes Manual connection of capacitor stages If this key is pushed for more tha...

Page 18: ...sub menus Change the digit to be edited in case of numerical values with more than one digit long push Alarm Enable Disable keep pushing these keys at the same time for more than 1s to disable or enab...

Page 19: ...MALLER AVAILABLE CAPACITOR STEP Once the device s Plug Play process has finished and no error has occurred during the pro cess the calculated C K factor and the measured cosine phi will be displayed o...

Page 20: ...and different values of smaller capacitor step kvar For conditions other than those given in table the paragraph 6 1 4 C K PARAMETER CALCULATION shows a simple calculation to obtain the C K value Tab...

Page 21: ...former ratio K sec I prim I K where prim I is the CT primary rated current i e in a 250 5 CT the primary rated current is 250 A sec I is the CT secondary rated current usually 5 A the C K parameter wo...

Page 22: ...ts up the delay times of the device The setting value Tc is the delay time between the connection or disconnection of successive capacitor stages The parameter also sets up the called reconnection del...

Page 23: ...e set up of this parameter can be selected at the bottom of the menu options Use the keys until the bottom red LED is flashing and push The display will show the assumed CT primary current Set the val...

Page 24: ...ement Run Mesurement Run Mesurement Run Mesurement Initial screen Increase Increase Increase Increase Decrease CT primary current setting Next digit Next digit Next digit Increase Next digit Prog Chan...

Page 25: ...on of capacitor stages Keep the key pushed during more than 1s and the regulator will sequentially connect the different steps following the normal pro gram and respecting the delay time ton long Manu...

Page 26: ...ands for stages disconnection and they are all disconnected Possible causes C K not properly adjusted None of the realys will connect E03 Sub compensation The controller demands for stages connection...

Page 27: ...ment 1 cos measurement 2 1 digit Relays outputs Quantity computer MAX 6 computer MAX 12 6 12 Max voltage open contacts 250V Max current 1 relay 6 A AC1 Max current Terminal connection 12 A User interf...

Page 28: ...al fast transient burst immunity test UNE EN 61000 4 4 2013 Electromagnetic compatibility EMC Part 4 8 Testing and measure ment techniques Power frequency magnetic field immunity test UNE EN 61000 4 8...

Page 29: ...oes not apply to failures occurring in the following cases Overvoltages and or electrical disturbances in the supply Water if the product does not have the appropriate IP classification Poor ventilati...

Page 30: ...30 computer MAX Instruction Manual 11 CE CERTIFICATE...

Page 31: ...31 Instruction Manual computer MAX...

Page 32: ...32 computer MAX Instruction Manual...

Page 33: ...33 Instruction Manual computer MAX...

Page 34: ...CIRCUTOR SA Vial Sant Jordi s n 08232 Viladecavalls Barcelona Tel 34 93 745 29 00 Fax 34 93 745 29 14 www circutor com central circutor com...

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