Via del Lavoro, 80 - 40056 CRESPELLANO (Bologna) ITALY - +39 051/733.383 - Fax. +39 051/733.620 P.O. BOX, 150 - 40011 ANZOLA EMILIA (Bologna) - ITALY Power I-actor Regulator INSTRUCTION MANUAL ELECTRONIC POWER FACTOR REGULATOR type MPR

3.3 POWER of CONTROLLED BANKS

Temperature sensor Power Factor Regulator cosΦ V A ¡C 1 2 3 4 5 6 7 8 Digital display Led’s bank IND/CAP Led’s Select Display select AUTO / MAN selector Prog. C/K PF _ + Program select Reset MPR8 C/K and PF setting made in Italy 1. MAIN FEATURES is an automatic microprocessor regulator which constantly controls the phase displacement between current and voltages waves on zero crossover, and operates the switching on and off of the capacitors steps which are necessary to reach and to maintain the required power factor. The MPR is fitted with an input filter which allows correct operation and display...

3.1 ELECTRICAL CONNECTION: by means of plug connector with terminal fixing screws for the cable have to be of 2,5mm2 section, mounted in the base of the regulator. ensure correct voltage connection correct measurement Can n Ballon tanta From Zn d ia Bbh 3.2 MECHANICAL FIXING: the regulator should be mounted in a cut-out (drilling template 138x138mm.) using the special fixings supplied. 3.3 POWER of CONTROLLED BANKS: the regulator works according to binary logic sequence; the switching on and off of capacitors banks always start from the first bank. For correct operation of the automatic bank,...

TABLE for medium current values of 2,5 Amps After setting the C/K value, press the button again for 4 sees to indicate the selected PF will illuminate. To release the buttons to change the selection. A PF of 0.95 is recommended. Example: setted C/K = "0.3" setted PF = "0.97" The regulator will switch bank to achieve a PF value within 0.94 and 1.00 (0.97 - 0.03) The - led near the two numbers display is illuminate if the P.F. value is more than 1.00. button the C/K and P.F. values which have been selected will be saved and the Regulator works in AUTOMATIC condition.

7. ALARMS The MPR has a normally closed N/C alarm contact (rated 5 A 250 V resistive load). It will be possible to give an external alarm signal. This contact is signed with X1 and X2 (ALARM) in the base of the regulator. When alarm condition disappears, the regulator will reset itself automatically. • • • • • No Supply voltage alarm When the voltage supply is lost, the digital display is off and the alarm contact (X1 and X2) is closed. Low PF value in the network If after 15 minutes the preset PF is not achieved, the alarm contact closes and the actual PF is displayed. At the same time the Cos...

8. WORKING TROUBLES and SOLUTION Most malfunctions are caused by incorrect connections. The most common faults are as follow: 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. TECHNICAL DATA Rated supply voltage Rated consumption Rated supply current Current circuit consumption Rated frequency Controlled banks Output relays Max current on relays common circuit Switching steps delay Alarm delay Operating range Digital display Measurement monitoring...

10. WARRANTY, INSTRUCTIONS and LIABILITY 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 understood 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. GENERAL INSTRUCTION...