Nastec MIDA 203 Installation, Use And Maintenance Handbook Download Page 1

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MIDA

Installation, use and maintenance manual

V 6.0

24/04/2022

Summary of Contents for MIDA 203

Page 1: ...MIDA Installation use and maintenance manual V 6 0 24 04 2022 EN ...

Page 2: ...stec srl The information contained in this document may be changed without notice Nastec srl Via della Tecnica 8 36048 Barbarano Mossano Vicenza Italy Tel 39 0444 886289 Fax 39 0444 776099 info nastec eu nastec eu ...

Page 3: ...onment 13 6 2 Cooling 14 6 3 Mechanical assembly of size 2 devices 14 6 4 Assembly on board the motor 16 6 5 Wall installation 18 7 Electrical installation 20 7 1 Grounding 20 7 2 Protection devices 20 7 3 Connecting cables 21 7 3 1 Power cables 21 7 3 2 Control cables 22 7 4 Electromagnetic Compatibility EMC 22 7 5 Electrical connections 22 7 5 1 Power connections 23 7 5 2 Control connections 26 ...

Page 4: ...rinciple 40 11 2 2 Synchronous operating principle 41 11 2 3 Electrical connections 41 11 2 4 Programming the master unit 41 11 2 5 Programming of slave units 42 11 2 6 Automatic master replacement 42 12 Operation at constant differential pressure 42 12 1 Introduction 42 12 2 Electrical connections 43 12 3 Programming 43 13 Alarms 44 14 Alarms version without display 47 15 Warnings 50 16 Warnings ...

Page 5: ...ion of pumping systems based on the variation of the pump power supply frequency It can be applied to both new and old systems ensuring energy and economic savings simplified installation and lower system costs extended life of the system improved reliability MIDA when connected to any pump on the market it manages its operation in order to keep a certain physical quantity constant pressure differ...

Page 6: ...rsonnel must be carried out under the approval responsibility and close monitoring of the latter WARNING Failure to follow the instructions may result in damage to the product the system in which it is installed and in the worst cases damage to property or persons with even fatal consequences WARNING Failure to comply with the instructions may lead to loss of warranty WARNING Keep out of the reach...

Page 7: ...hich the device is powered regardless of whether it is operated or remains in stand by digital shutdown high voltage is present inside the device and at the input and output terminals DANGER The device previously in stand by condition may suddenly start up following the reset of an alarm or changed system conditions This may result in serious mechanical and electrical danger to the operator who up...

Page 8: ...isconnecting them from the device 2 4 Acoustic emission The device has an acoustic emission 65 dB at a distance of 1 meter with cooling fans at maximum speed 2 5 Certifications The product has the following certifications CE 3 Maintenance 3 1 Maintenance WARNING Before carrying out any work on the device carefully read the chapter Safety 6 in the manual WARNING Failure to follow the instructions m...

Page 9: ...aim it is necessary Fill in the warranty claim on the service nastec eu portal Wait for the result from the Nastec technical support service The outcome may envisage the following Absence of warranty based on the information received A quotation for repair or spare parts may be made upon request Warranty advanced based on information received Nastec will decide if the product is to be replaced und...

Page 10: ...e nastec eu 3 6 Disposal Devices marked with this symbol cannot be disposed of in household waste but must be disposed of at appropriate waste drop off centres It is recommended to contact the Waste Electrical and Electronic Equipment drop off centres WEEE in the area If not disposed of properly the product may have potential harmful effects on the environment and on human health due to certain su...

Page 11: ...ge environment must be between 20 C 4 F and 70 C 158 F with a maximum relative humidity of 85 non condensing If the product remains in stock for more than 24 months from the manufacturing date shown on the packaging it is necessary to check the mechanical integrity of its parts and supply power to it at least once every 12 months If the product is put back into storage after it has been used it is...

Page 12: ... x Vin 29 30 15 97 2 MIDA 438 3 x 380 460 3 x Vin 36 38 18 5 97 2 MIDA 444 3 x 380 460 3 x Vin 42 44 22 97 2 General electrical specifications Power supply frequency 50 60 Hz 2 Voltage unbalance between the power supply phases 2 Maximum output frequency 300 Hz EMC compliance EN61800 3 C1 for single phase models C2 for three phase models Energy efficiency class according to EN61800 9 2 IE2 Environm...

Page 13: ...3 19 28 2 6 Mechanical installation WARNING Read the safety chapter carefully before continuing 6 1 Installation environment WARNING The environmental specifications stated in the technical data of the product must be strictly complied with WARNING Do not install the device in environments at a risk of explosion flooding or in the presence of flammable fluids or solids Ensure sufficient ventilatio...

Page 14: ...er surfaces must be at least 150 mm for current intensity up to 18 A 200 mm for current intensity up to 30 A 250 mm for current intensity up to 44 A On the other sides maintain a minimum distance of 100 mm to ensure cooling and to make installation and maintenance operations easier During operation the surfaces of the device can become hot enough to cause burns Do not touch them In the case of ins...

Page 15: ...se and the power is made by means of four metal pins on the power side that engage into four special holes on the base with spring contacts At the same time these metal pins serve as a guide for a correct coupling between the base and the heat sink MIDA 15 ...

Page 16: ...ther the base of the device can be fastened to the motor casing The seal on the base of the device provides protection against the ingress of water and dust Drill the seal only in the area where the four holes for fastening to the motor casing are It is possible to use the same screws and washers with which the terminal box cover was fastened to the motor casing Please refer to the following instr...

Page 17: ...On board motor installation for size 1 devices 63 63 73 73 5 5 65 65 60 4 5 U V W P E 1 2 3 4 MIDA 17 ...

Page 18: ...installation for size 2 devices 71 max 100 71 max 100 100 100 65 65 5 5 132 132 75 116 1 2 3 4 6 5 Wall installation Wall installation is carried out by means of the special metal bracket available on request MIDA 18 ...

Page 19: ...special component shown in the figure Install this component and verify the ground continuity between the bracket and the base of the device at the end of the installation Alternatively it is possible to drill the aluminum base in the area where the four special fixing holes are The fixing screws must be equipped with O rings to guarantee the protection rating MIDA 19 ...

Page 20: ...es upstream of the device such as a circuit breakers fuses and a residual current device RCD Fuses and switches The control device can protect the motor from overloads by digitally controlling the absorbed current against the set rated current It is therefore not necessary to install any overload protection device between the inverter and the motor Instead it is necessary to install overcurrent an...

Page 21: ...ature the appropriate cross section and meet the requirements for voltage current and temperature 7 3 1 Power cables Model Maximum cross section of the input cable with ground Maximum cross section of the output cable with ground Cable tightening torque Nm Ground cable tightening torque MIDA 203 3 x 2 5 mm2 4 x 2 5 mm2 MIDA 205 3 x 2 5 mm2 4 x 2 5 mm2 MIDA 207 3 x 2 5 mm2 4 x 2 5 mm2 MIDA 304 4 x ...

Page 22: ...t are as short as possible use motor cables that are as short as possible and shielded with the shield connected at both ends use shielded signal cables with the shield connected at one end only WARNING Install signal motor and power cables separately from each other at a distance of at least 30 cm If the signal cables meet the power cables cross them perpendicularly WARNING It is possible to remo...

Page 23: ...E A mm Pre insulated cable lug Stripping diagram Power Supply LINE L1 L 70 6 3 x 0 8 mm female Faston A L2 N 70 6 3 x 0 8 mm female Faston P E 70 6 3 x 0 8 mm female Faston Motor MOTOR U 120 200 6 3 x 0 8 mm female Faston Wall installation A Installation on board the engine A V 120 200 6 3 x 0 8 mm female Faston W 120 200 6 3 x 0 8 mm female Faston P E 180 200 6 3 x 0 8 mm female Faston MIDA 23 ...

Page 24: ...sulated cable lug Stripping diagram Power Supply LINE L1 70 6 3 x 0 8 mm female Faston A L2 70 6 3 x 0 8 mm female Faston L3 70 6 3 x 0 8 mm female Faston P E 70 6 3 x 0 8 mm female Faston Motor MOTOR U 120 200 6 3 x 0 8 mm female Faston Wall installation A Installation on board the engine A V 120 200 6 3 x 0 8 mm female Faston W 120 200 6 3 x 0 8 mm female Faston P E 180 200 6 3 x 0 8 mm female F...

Page 25: ...tripping diagram Power Supply LINE L1 180 120 Fork for M4 screw Wall installation through lower cable glands A Installation on motor through lateral cable glands A L2 180 120 Fork for M4 screw L3 180 120 Fork for M4 screw P E 180 120 Eyelet for M4 screw Motor MOTOR U 180 180 Fork for M4 screw Wall installation A Installation on board the engine A V 180 180 Fork for M4 screw W 180 180 Fork for M4 s...

Page 26: ...le glands A Installation on motor through lateral cable glands A L2 180 120 Tip L3 180 120 Tip P E 180 120 Eyelet for M4 screw Motor MOTOR U 180 180 Tip Wall installation A Installation on board the engine A V 180 180 Tip W 180 180 Tip P E 180 180 Eyelet for M4 screw DANGER In size 2 devices the DL1 DL2 DL3 LEDs next to the power supply terminal block indicate the presence of voltage in the input ...

Page 27: ...pply 15V 15 VDC max 100 mA Power supply for 4 20 mA ana log inputs Do not use as a power supply for the digital inputs Power Supply 10V 10 VDC max 3 mA Power supply for 0 10 V analog inputs Do not use as a power supply for the digital inputs Signal GND 0V Insulated Signal GND for analog and digi tal inputs Digital inputs IN1 Active low Motor start and stop Programmable as Normally Open or Normally...

Page 28: ... according to its data plate Verify proper grounding of the device of the load and of the entire system Check the correct connection of the power supply cable and the motor cable paying particular attention to any connection reversal Check the correct connection of the power and signal cables paying particular attention to any polarity Check that the connection terminals of the power and signal ca...

Page 29: ...r more than 5 seconds until the set value to be edited starts flashing To confirm the set value simply wait 5 seconds or press the START STOP button 6 parameter scrolling parameter editing Use the key to decrease the set value or frequency In order to allow the set value to be edited it is necessary to hold down the or button for more than 5 seconds until the set value to be edited starts flashing...

Page 30: ... down for at least 5 seconds to activate the START STOP key lock function through which it is only possible to scroll and view the operating parameters using the and keys this does not allow starting or stopping the motor Press the START STOP button again for at least 5 seconds to deactivate the lock Keep the and keys pressed for at least 5 seconds to reverse the display 9 3 Control via App The de...

Page 31: ...X X kW Estimate of the active electrical power absorbed by the motor X INV Device address when COMBO functionality is enabled AXX Alarm XX WXX Warning XX The App allows monitoring other parameters and consult the alarm log 9 5 FOC motor control 9 5 1 Introduction The benefits provided by the FOC Field Oriented Control motor control implemented in the FOC ready inverters over a traditional control ...

Page 32: ... compared to the value on the data plate can seriously damage both the motor and the inverter WARNING During calibration the motor coils are heated by the test current If the motor is self ventilated the absence of motor rotation does not allow the heat to be dispersed by force The motor should therefore be allowed to cool between one calibration and the next DANGER During the calibration process ...

Page 33: ...the relative access password NOTE When an incorrect password is entered to access both the installer and advanced level the parame ters can only be displayed but not edited In case of loss of the password contact the technical support service to obtain the universal pass word Menu Description Level Default password Control parameters Menu of parameters for controlling the pump in the hydraulic sys...

Page 34: ...ing the setting of the set value via analog input 3 x x Set value p XXX X bar 3 Value that you want to keep constant x Compensation p XXX X bar 0 Compensation at the maximum frequency The sign can be reversed via the green key 2 1 bar 3 3 bar 1 4 bar 300 m 4 5 Q H 1 sensor 2 Compensation 3 Set value 4 Min motor fre quency 5 Max motor frequency In the case of a group of pumps in COMBO mode the com ...

Page 35: ...Kp XXX Proportional coefficient used in constant value adjustment x x COMBO ON OFF OFF Enable the function COMBO for the combined operation of several pumps in parallel Read the dedicated chapter x x Address XX 01 Device address when in COMBO mode 0 master 01 to 07 slave x x Alternance ON OFF ON Enabling the alternation between units in COMBO and D O L The order of priority of operation is alterna...

Page 36: ...ltage increase to favor the starting torque Contact the motor manufacturer for more information Rated motor current I XX X A Motor rated current according to its data plate increased by 5 The voltage drop across the inverter may result in a current absorption greater than the motor rated current indicated on the data plate It is necessary to check with the motor manufacturer that this overcurrent ...

Page 37: ...h centrifugal pumps The torque characteristic must be chosen ensuring smooth operation reduced energy consumption and lower heating and motor noise With single phase motors we recommend setting linear V f 0 Rotation sense Running direction of the motor Should the motor run in the wrong direction it is possible to reverse the running direction without having to change the phase sequence in the conn...

Page 38: ...ormally Closed is selected the device will continue to operate the motor if digital input 2 is closed Conversely it will stop the motor if digital input 2 is open Digital input 2 is also used to select set value 1 or set value 2 in the control mode Constant value 2 set or to select working frequency 1 or 2 in the control mode Fix speed 2 values Digital input3 N O N C N O If N O Normally Open is se...

Page 39: ...ped thus avoiding excessively frequent start stop cycles It is of fundamental importance to correctly choose the volume and the pre charge pressure of the pressure vessel Too small volumes do not allow effectively compensating the minimum water consumption or the losses when the pump is stopped while too high volumes make it difficult for the inverter to control the pressure It is generally suffic...

Page 40: ...s and stops and complete protection of the pumps The alternation of operation also allows to even out the wear of the pumps and in case of failure of a pump or an inverter the remaining units of the group can continue their operation 1 2 3 4 5 6 7 1 2 3 6 7 1 2 3 6 7 1 Inverter 2 Pump 3 Check valve 4 Pressure vessel 5 Gate valve 6 Gate valve 7 Pressure sensor 11 2 Variable speed pumping unit with ...

Page 41: ... the pump that was started last switches off NOTE To ensure correct synchronous operation parameter Frequency min control must be set appropriate ly i e two or three Hz above the working frequency at zero flow NOTE If parameter Alternance is set to ON the start priority of the pumps in COMBO mode is established according to the operating hours and parameter Alternance period establishes the number...

Page 42: ...master replacement In COMBO mode if a slave or the pump connected to it should fail or enter an alarm state the unit will continue to operate with the remaining units In case the master or the pump connected to it should break down or enter an alarm state the unit will stop for about 30 seconds generating the A13 No communication alarm in the slaves After the waiting time has elapsed the slave wit...

Page 43: ... connected to analog input 2 i e Sensor 1 AN1 4 20 mA signal 15V 15 VDC power supply Sensor 2 AN2 4 20 mA signal 15V 15 VDC power supply In circulation systems the start and stop of the pump is generally controlled by an external contact which can therefore be connected to digital input 1 IN1 0V and configured accordingly 12 3 Programming Menu Parameter Value IN OUT parameters Full scale sensor Se...

Page 44: ...Hz 35Hz 1 Compensation 2 System curve 3 Proportional differential pressure 4 Constant differential pressure Control parameters Frequency min control Same as Min motor frequency Control parameters Stop delay 99 s Control parameters Start delay AUX In twin circulation systems two pumps each controlled by an inverter in COMBO mode this parameter should be set to 99 s in order to activate only one pum...

Page 45: ... A02 Sensor fault The current value read by the analog input is less than 4 mA Reset mode Alarm reset by STOP key Disconnecting the power supply Check that the connections on the device side and on the sensor side are correct Check that the sensor is fed the correct power Check that the sensor is working properly If only one sensor is connected to analog input 1 try to connect it to analog input 2...

Page 46: ...er supply Check the possible solutions for the alarm A01 Overcurrent motor A09 Overload inverter The current absorbed by the load ex ceeds the rated current of the device Reset mode Alarm reset by STOP key Disconnecting the power supply Check that the rated current of the motor is lower than the rated current of the device Make sure that the motor is free to rotate and check for any me chanical is...

Page 47: ... A15 Keyboard fault One of the keys of the keyboard was held down for more than 30 seconds Reset mode Alarm reset by STOP key Disconnecting the power supply Check that the keys are mechanically free A16 CPU alarm Communication error between the con trol part and the power part or error in the CPU Reset mode Automatic reset Check the value of the power supply voltage both under no load and load con...

Page 48: ... any mechanical issues Adjust parameter Voltage boost A02 Sen sor fault 3 flashes of the yellow alarm led The current value read by the ana log input is less than 4 mA Reset mode Alarm reset by STOP key Disconnecting the power supply Check that the connections on the device side and on the sensor side are correct Check that the sensor is fed the correct power Check that the sensor is working prope...

Page 49: ...y Disconnecting the power supply Check the possible solutions for the alarm A01 Overcurrent motor A09 Overload inverter 5 flashes of the yellow alarm led The current absorbed by the load exceeds the rated current of the de vice Reset mode Alarm reset by STOP key Disconnecting the power supply Check that the rated current of the motor is lower than the rated current of the device Make sure that the...

Page 50: ...P key Disconnecting the power supply Check that the keys are mechanically free A16 CPU alarm 10 flashes of the yellow alarm led Communication error between the control part and the power part or error in the CPU Reset mode Automatic reset Check the value of the power supply voltage both under no load and load conditions Check for electrical noise from other devices connected to the system Check th...

Page 51: ... three phase asynchronous motor a simple method consists in starting the pump at the rated frequency and paying attention to the sustainability of the system completely closing the delivery and then reading the measured cosphi value on the display or on the App Parameter Dry run cosphi must therefore be set to 10 less than the cosphi value read under closed flow condition CAUTION The electronic wa...

Page 52: ...n the App Parameter Dry run cosphi must therefore be set to 10 less than the cosphi value read under closed flow condition CAUTION The electronic water shortage protection based on parameter Dry run cosphi works correctly only with centrifugal pumps equipped with three phase asynchronous motors In the presence of permanent magnet motors it is not possible to base the water shortage protection on t...

Page 53: ...fications have been applied EN 61000 6 4 2007 A1 2011 EN 61000 6 3 2007 A1 2011 MIDA 203 MIDA 205 MIDA 207 EN 61000 6 1 2007 A1 2011 MIDA 203 MIDA 205 MIDA 207 EN 61000 3 2 2011 EN 61000 3 3 2000 EN 61000 6 2 2005 AC 2005 EN 61800 3 2004 A1 2012 EN 62233 2008 EN 62311 2008 ETSI EN 301 489 17 V3 1 1 2017 ETSI EN 301 489 3 V1 1 1 2017 ETSI EN 301 489 1 V2 1 1 2017 ETSI EN 300 328 V2 1 1 2016 11 EN 6...

Page 54: ...ng harmonised standards and technical specifications have been applied BS EN 61000 6 4 2007 A1 2011 BS EN 61000 6 3 2007 A1 2011 MIDA 203 MIDA 205 MIDA 207 BS EN 61000 6 1 2007 A1 2011 MIDA 203 MIDA 205 MIDA 207 BS EN 61000 3 2 2011 BS EN 61000 3 3 2000 BS EN 61000 6 2 2005 AC 2005 BS EN 61800 3 2004 A1 2012 BS EN 62233 2008 BS EN 62311 2008 ETSI EN 301 489 17 V3 1 1 2017 ETSI EN 301 489 3 V1 1 1 ...

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