FRECON - Remak a.s.
Contents
1. cable to terminal board shown in FIG 2 put the AC input power circuit breaker ON position the red POWER light goes on In the event of a fault the red FAILURE light goes on When the remote control mode is set and START signal is activated the automatic speed control occurs according to the following diagram FRECON FIA L REG Tp2 measurement controller module module Start stop speed rotatin central 9 control revolutions heat ERROR unit e ella exchanger FRECON MINITERMINAL FIA L REG Measurement module is equipped with 3 inputs for resistance heat sensors Pt1000 to outdoor input air temperature Tp1 scanning indoor input air controlled temperature Tp2 scanning and indoor exhausted air temperature To2 scanning Module converts measured values to digital form and from set required value is calculated the control deviation which is led to the controller input Module also compares measured values and evaluates if input air heating or cooling occurs These information are sent to the central control unit which controls other modules function Controller module contains digital PI controller with adjustable gain and integral action time constant Controller module output represents control variable for speed drive Speed drive calculates from controller module output value and other set parameters required output frequency and voltage on the basis of these va2. 300 400 C 1 indoorexhaustedairtemperatue TP2 300 400 C indoorinputaircontrolled temperature E 0 00 99 99 contrldeviation TSET Tp2 0 00 99 99 controller proportional component 0 00 99 99 7 controller integral component 0 00 99 99 controller output P 0 00 32 00 FO 00 1250Hz 80 minimum output frequency for YOUT 0 F100 0 0 125 0Hz 520 maximum output frequency for YOUT 100 FBAS 250 2410Hz 50 0 base frequency U f curve knee frequency 0 0 100 Umax For more information refer to user manual for the MINITERMINAL FIA L REG 6 9 2 Braking unit A decelerating AC motor regenerates energy into the inverter drive This energy can only be dissipated within the drive it cannot be returned to the AC supply by the FRECON unit If the regenerated power is less than approx 4 of rated drive power the braking unit is not necessary to use Connection terminals B B FIG 1 9 3 External RFI filter To conform to EMC standards external RFI filter is necessary to use RFI filter is located in the separate cubicle with enclosure IP 44 or IPOO on request or IP20 Dimensions e emission according to EN 50 081 1 CSN EN 55 011 B1 FIA L18 75 enclosure 00 92 x 60 x 49mm FIA L18 75 enclosure IP44 160 x 90x 70mm FIA L110 220 enclosure 00 92 x 60x 56mm FIA L110 220 encl
3. FRECON FIA L REG 18 37 55 75 110 150 220 250 PROGRAMMABLE SPEED DRIVES FOR AUTOMATIC SPEED CONTROL OF THE ROTATING HEAT EXCHANGER FRECON Porucha failure nap jen power d WWWWWwWw PwwPpp INSTALLATION AND USER MANUAL certifikace dle TRITON CE ww ISO 9001 1 Introduction Small light weight and compact IGBT output bridge for high speed switching and low power consumption Heat exchanger speed continuous controlled from OHz to 125Hz option up to 500Hz Logic and analogue inputs Integrated measurement module controller and special control software for autonomous speed control of the rotating heat exchanger e FRECON MINITERMINAL control pod combines keypad and display operational functions of the drive can be changed from the keypad e External braking unit e External RFI filter 2 General characteristics Type FIA 37 75 L REG Nominal motor rating kW 1 2307 510 Nomina current 26144 161170 1 96 22 i7 amp 295 4T 63 Hz oup 0 125z with spec SW up to 50092 Apparent power 1 0 1 4 1 6 2 2 2 8 4 0 4 5 KVA 150 30 sec adjustable S 2x logic inputs control switch or PLC output function START STOP REVOLUTIONS PULSES 3x analogue inputs for resistance heat sensors Pt1000 30 40 C 882 6 1155 4 Q function TEMPERATURE MEASUREMENT Tp1 Tp2 To2 low voltage overvoltage overcurrent x t short circuit phase
4. e speed machines If it is intended to use the capability of the drive to run the motor at speeds above its designed maximum itis strongly recommended that the motor manufacturer is consulted first The principal risks due to overspeeding are the destruction of the rotor by centrifugal force or of the bearings by vibration or heat Low speed is liable to result in overheating of the motor because the effectiveness of the internal cooling fan reduces in proportion to the square of the reduction of speed Motors should be equipped with thermistor protection and if full benefit of the use of low speeds is to be gained from a variable speed drive it may be necessary to arrange additional cooling for the motor 5 3 Control connections CONTROL TERMINALS 5 3 1 Connection procedure e remove the front panel that is secured with screws for control connections use cable of 0 5 mm screened connection cable should enter at bottom connect screen to earth at the drive only connect control cable to terminals connections are shown in FIG 2 refit the front panel SATRT STOP o REVOLUTIONS NOTE always segregate control and power cabling 5 3 2 Specifications of control inputs and outputs Complete isolation between control and power electronic circuits e 3x Analogue inputs Tp1 2 To2 for resistance heat sensors Pt1000 Measuring range 30 40 C 882 2 1155 40 Resolution 0 1 Max er
5. g and in certain internal parts of the drive are capable of causing severe electric shock and may be lethal WARNING Whenever the drive has been energised it must be isolated before work may continue A period of five minutes must elapse after isolation to allow the internal capacitors to discharge fully Until the discharge period has passed dangerous voltages may be present within the drive Persons supervising and performing electrical installation must be suitably qualified and competent in these duties and should be given the opportunity to study this manual before work is started 5 1 Power connections CHECK THAT e the unit is disconnected from the input power before making connections to the terminals AC input power circuit breaker installed upstream on the low voltage switchboard is in off position 5 1 1 Connection procedure e FOR PROTECTION OF LIFE AND PROPERTY EARTH WIRES SHOULD ALWAYS BE CONNECTED FIRST remove the front panel that is secured with screws connection cables should enter at the bottom connect the 1 PHASE mains supply to the terminals N L connect the motor terminals to the U V W terminals of the drive refit the front panel Never connect the input power to the U V W terminals of the drive The layout of the power terminals and connections is shown in FIG 1 H OLN UVW B ERN AI i 3 Braking uni
6. has been energised it must be isolated before work may continue A period of five minutes must elapse after isolation to allow the internal capacitors to discharge fully Until the discharge period has passed dangerous voltages may be present within the drive Persons supervising and performing electrical installation must be suitably qualified and competent in these duties and should be given the opportunity to study this manual before work is started TESTED Committed to quality FRECON individually test each FRECON SPEED DRIVE to ensure reliable performance for the user All units have passed FRECON S quality control standards and conform within tolerance to the enclosed specifications ENTIRE CONTENS COPYRIGHT FRECON s r o ALL RIGHTS RESERVED REPRODUCTION IN WHOLE OR IN PARTS WITHOUT PERMISSION IS PROHIBITED FRECON FIA L IS A PRODUCT OF FRECON
7. keys UP DOWN YOUT parameter value is changed One single keystroke on UP DOWN keys changes the value of YOUT parameter by one step longer pressing causes faster continuous changing of the value In the local control mode the remote control signals START STOP are ignored 8 Reset of the drive after a trip signal overcurrent overvoltage short circuit Two ways are available e short time disconnecting of the drive from the supply and reconnecting Or STOP signal activation START signal deactivation NOTE restart of the drive START signal activation is recommended when the motor is stopped 9 Options 9 1 FRECON MINITERMINAL FIA L REG control pod Combines keypad and display functions local remote control selection local control run stop output frequency control e drive parameter values adjustment and display LCD screen e user sets programming possibility i e storing all functional parameters into EEPROM for automatic or manual restore e operational status LED indication run local keypad control e fault codes display e MOUNTING externally anywhere convenient at a distance permitted by a maximum cable length of 6 m from the drive to the pod Displayed values and adjustable drive parameters _ ae seine 02 INN 000 1250 Ooufputfregueny 1 OT 00 600revmin heatexchangerrevoluions TPi 300 400 C Ooufdoorinptairtemperatre TO2
8. lues output 3 phase voltage for heat exchanger motor is modulated Speed measurement module contains input for pulse reading from rotating heat exchanger speed sensor If the speed monitoring function is activated and no pulse from speed sensor was evaluated during approx 4 min when motor running then the speed drive is tripped and fault is signalised If speed sensor is disconnected speed monitoring function is necessary to deactivate Central control unit receives information from all modules and controls their operation Unit are equipped with START STOP logic control input and summary error signalisation output NOTE In the remote control the control keys on the MINITERMINAL FIA L REG control pod are ignored 7 2 Procedure Il local control using MINITERMINAL FIA L REG control pod e remove the connector cover on the front panel of the drive e connect the control cable from the control pod to the connector on the front panel of the drive put the AC input power circuit breaker in ON position the red POWER light goes on In the event of a fault the red FAILURE light goes on e press the CONTROL MODE SELECTION key LOC REM on the control pod select local keypad control The red LOC light on the control pod goes on In the local control mode the drive is fully operated by the control pod FRECON MINITERMINAL The local control keys RUN and STOP enable to start and to stop the drive Speed control is enabled by using
9. osure IP44 160 x 90 x 70mm FIA L250 enclosure IP20 92 x 60x 56 mm e EMC emission according to EN 50 081 2 CSN EN 55 011 A1 FIA L250 enclosure IP20 138 x 56 x 50mm 9 3 1 Installation To install the filter follow the instructions in FIG 4 SPEED DRIVE FRECON keep cables as short as possible ol 14 PE1 x 230V 50Hz FIG 4 Input The filter cubicle is necessary to install near of the drive NOTE Connections must be made with the short length of screened cables If these cables are altered in any way the filter will operate but compliance with any emission standard is no longer assured Input cable into the filter filtered cable and no control circuit should be run parallel to an unscreened motor cable or unfiltered supply cable with a spacing less than 0 3 m and over a distance exceeding 1m 9 4 Motor line choke Dear user This manual has been designed to provide you with all the information you need to install and use your FRECON SPEED DRIVE Feel free to contact us for any further information you may require concerning special applications beyond the scope of this manual Please keep this manual in a safe place for future reference FRECON SAFETY PRECAUTIONS DANGER The voltages present in the supply cables the output cables and terminals the control power supply wiring and in certain internal parts of causing severe electric shock and may be lethal WARNING Whenever the drive
10. phase phase earth Safety Electromagnetic compatibility emission immunity Dimensions Height mm P 20 Width Depth 3 Description status LED indication power ea failiire Beo power FRECON MINITERMINAL heat sink connector control and power cables lead in mn th 4 1 4 Mechanical installation 4 1 Location The installation must be located in a place free from dust corrosive vapours gases and all liquids Care must also be taken to avoid condensation of vaporised liquids including atmospheric moisture 4 2 IP rating IP 20 or IP 00 e g location in a switchboard or IP 54 4 3 Mounting e The unit must be mounted vertically and sufficient clearance must be allowed around the unit to allow adequate flow of cooling air over the fins of the heat sink A minimum of 50 mm is required above and below the unit and some clear space should also be allowed at the sides and front Location within the cubicle e g switchboard without any ventilation of the air inside Heat can escape only by conduction through the skin of the cubicle which is cooled by radiation to the external air A minimum distance from the enclosure boundaries 50 mm Heat dissipation power approx 4 of the real output power 5 Electrical installation SAFETY PRECAUTIONS DANGER The voltages present in the supply cables the output cables and terminals the control power supply wirin
11. ror including sensor non linearity max 0 5 e Logic inputs run stop control switch or PLC output revolutions control switch or PLC output Input voltage min 15 Input current approx 8 5 mA 24 Vpc nominal 24 Vpc max 30 Vpc Logic output drive status volt free change over relay contact 250 Vac 8 A 6 Drive status indication 6 1 On the front panel of the drive LED POWER red input voltage is present all internal voltage levels are correct LED FAILURE red internal or external trip e g overvoltage overcurrent short circuit the drive is stopped disconnected from the load 6 2 Remote indication e Volt free change over relay contact Control terminals 11 normally open 13 common 12 normally closed Relay energised when drive healthy Relay de energised when power off or drive tripped disconnected from the load 7 Operating procedures CHECK THAT e The motor rating is compatible with the drive rating e The motor winding connection is compatible with the drive output voltage refer to chapter 5 section 1 3 AC input power circuit breaker of the correct rating is installed upstream on the low voltage switch board refer to chapter 5 section 1 2 e drive is firmly attached in an upright position and is properly ventilated 7 1 Procedure 1 remote external control without using MINITERMINAL control pod automatic control e connect the control
12. t gt option S M 9e o d 9 FIG 1 Recommended protection devices installed upstream of the drive and cabling Drive model FIA L REG 18 37 55 75 110 150 220 250 cable size for 3 core mm The use of slow protection devices curve C is recommended because a current surge may appear at power on Cable sizes are recommendations only Cabling should conform to local codes of practice and regulations Motor connection No protection devices between the drive and the motor are recommended The power connections from the drive output to the motor may be switched for isolation purposes but not for control purposes Connection between the drive and the motor as short as possible are recommended to prevent emissions from the motor cable If itis not possible screened or armoured cable may be used The screen or armour should be connected in the same way as for standard cable to both the motor earth terminal and the drive earth terminal Installations with long cable runs to the motor i e above approx 30 m may need the addition of motor line chokes to prevent nuisance tripping of the drive caused by capacitative leakage effects Output voltage of the drive FRECON FIA L REG 3 x 230 V MOTOR WINDING CONNECTION MUST BE COMPATIBLE WITH THIS VOLTAGE IN THE MOST CASES DELTA CONNECTION 5 2 Motor speed Standard squirrel cage ac induction motors are designed as singl
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