Nastec SUND Instructions For Installation, Use And Maintenance Manual Download Page 6 | Manualshive

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• irradiation level
• time of day
• achievement of the required daily flow rate
• remote control via digital input.

1.3. Nastec NSC solar calculator

To correctly size the solar pumping system, the Nastec NSC solar calculator is available free of charge on the site

solar.nastec.eu

2. Safety

2.1. Symbols

TIP

This symbol indicates a TIP or recommendation.

NOTE

This symbol indicates a NOTE or an indication or concept to be emphasised.

CAUTION

This symbol indicates CAUTION, thus an indication which failure to respect can lead to minor or
moderate damage.

WARNING

This symbol indicates a WARNING, thus an indication which, in the event of non-compliance, may
lead to serious, even fatal damage to persons or things.

DANGER

This symbol indicates an ELECTRICAL HAZARD, which if not avoided will result in death or electro-
cution.

SUND

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Summary of Contents for SUND

Page 1: ...SUND Installation use and maintenance manual V 2 1 16 06 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: ...n 14 6 1 Installation environment 14 6 2 Cooling 15 6 3 Hydraulic connections 15 6 4 SUND priming 15 7 Electrical installation 15 7 1 Grounding 15 7 2 Protection devices 15 7 3 Connecting cables 16 7 3 1 Power cable 16 7 3 2 Control cables 16 7 4 Electromagnetic Compatibility EMC 16 7 5 Electrical connections 16 7 5 1 Power connections 17 7 5 2 Control connections 18 8 Commissioning 18 8 1 Prelimi...

Page 4: ...n 29 11 2 Solar pumping unit with two or more pumps in COMBO Solar 29 11 2 1 Cascade operating principle 29 11 2 2 Electrical connections 30 11 2 3 Programming the master unit 30 11 2 4 Programming of slave units 30 11 2 5 Automatic master replacement 31 12 Alarms 31 13 Alarms version without display 33 14 Warnings 36 15 Warnings version without display 37 16 EC Declaration of Conformity 38 17 UK ...

Page 5: ...urn on investment Extended life of the system and greater reliability Quick and simplified installation thanks to the electronics integrated on board the motor and control via smart phone Extremely silent operation Installation in humid and dusty environments thanks to the IP55 protection rating NEMA 4 In the application with photovoltaic panels the MPPT Maximum Power Point Tracking tracking of th...

Page 6: ...ol indicates a TIP or recommendation NOTE This symbol indicates a NOTE or an indication or concept to be emphasised CAUTION This symbol indicates CAUTION thus an indication which failure to respect can lead to minor or moderate damage WARNING This symbol indicates a WARNING thus an indication which in the event of non compliance may lead to serious even fatal damage to persons or things DANGER Thi...

Page 7: ...se of installation in a residential environment it is recommended to adopt all the safety precautions required by local regulations WARNING The unsuitable use of the product non original spare parts or tampering with the hardware and or firmware of the product may lead to serious damage to property or persons in addition to the loss of warranty The manufacturer waives all liability due to the impr...

Page 8: ...upstream of the device such as a circuit breakers fuses and a residual current device RCD DANGER Make sure that the device and the loads connected to it are properly grounded with the appropriate connection terminals before commissioning Ensure that the grounding system is compliant and refer to local regulations for grounding devices Each load must be fitted with its own earthing cable the length...

Page 9: ... ingress of dust or water by checking the tightening of the screws in the mechanical closing parts the gaskets and the cable glands Every 12 months WARNING In the event of long periods of inactivity the pump should be emptied completely to avoid blocking and freezing the hydraulic part WARNING Do not loosen unscrew or open the filter cover for any reason while the pump is running If the pump is in...

Page 10: ...Need to receive the product by the manufacturer in order to establish the potential warranty Following the analysis of the returned product Nastec will establish the unquestionable existence or absence of the warranty conditions by providing a detailed report on the damage found and its origins If the warranty is applicable Nastec will repair the device Nastec is willing to refurbish the product u...

Page 11: ...nt 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 substances present within Illegal or incorrect disposal of the product is subject to severe administrative and or criminal penalties 4 Transport and storage 4 1 Transport Avoid subjecting the product to severe shocks or extreme weathe...

Page 12: ...he product is put back into storage after it has been used it is advisable to contact the manufacturer for further information on storage In particular store the pump in a place with a minimum temperature that is not below 4 C 40 F TIP For more information contact the dealer or technical support at service nastec eu or by opening a support ticket on the portal service nastec eu 5 Technical feature...

Page 13: ...he performance of the pumps in terms of flow rate Q head H and absorbed electrical power P1 The graphs show average values with a tolerance of 15 and are related to a water temperature of 20 C 68 F and a density of 1 kg m3 The photovoltaic power Pp that must be installed to obtain the desired performance must be at least equal to the electrical power P1 absorbed by the pump at the working point To...

Page 14: ...risk of explosion flooding or in the presence of flammable fluids or solids Ensure sufficient ventilation in the room Refer to local regulations when selecting the appropriate installation location WARNING The degree of protection of the device is only ensured if at the end of the installation the cover screws and the cable glands have been properly tightened Close the holes of unused cable glands...

Page 15: ... air out In the case of installation above the water level remove the cover and fill the pump by pouring water through the opening on the filter Verify that the pump is properly primed before starting it Prolonged operation in non primed condition can damage the pump itself 7 Electrical installation WARNING Read the safety chapter carefully before continuing 7 1 Grounding DANGER Make sure that the...

Page 16: ... connecting cables must comply with local regulations feature the appropriate cross section and meet the requirements for voltage current and temperature 7 3 1 Power cable WARNING Always use cables with appropriate cable lugs which may be supplied with the product 7 3 2 Control cables Model Maximum cross section of the control cables Tightening torque Nm Control terminals of all models 1 mm2 0 5 W...

Page 17: ... 70 6 3 x 0 8 mm female Faston 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 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 120 200 6 3 x 0 8 mm female Faston DANGER Connect only one power source at a time AC or DC NOTE When connecting the DC power supply it is ...

Page 18: ...lay outputs NO1 Normally Open STATUS relay NO1 COM1 closed contact with motor running NC1 COM1 closed contact with motor stopped Potential free contacts Max 250 VAC 2 A Max 30 VDC 2 A COM 1 Common NC1 Normally Closed Relay outputs NO2 Normally Open ALARM relay NO2 COM2 closed contact without alarm NC2 COM2 closed contact with alarm or without power supply Potential free contacts Max 250 VAC 2 A Ma...

Page 19: ...tely closed and that live parts are not accessible NOTE The pump may contain traces of water used for the final tests of the product Before commissioning rinse with fresh water Under no circumstance should solvents or other chemical products be used to clean any part of the product 8 2 Powering DANGER Before supplying power to the device make sure you have read understood and implemented all the s...

Page 20: ...LED is ON when it is possible to change the set value constant value mode or the set frequency fixed frequency mode Press and hold the Up key or the Down key for more than 5 seconds in order to allow the set adjustment If the SET led is off it is not possible to change the set value When two or more units are in COMBO mode the SET LED flashes only in correspondence with the master unit In this way...

Page 21: ...evice remotely via Wi Fi or GSM using a smartphone placed nearby as a modem Access manuals and additional technical documentation Receive online help on parameters and alarms 9 4 Initial display When the device is switched on the control firmware version LCD X XX the power firmware version INV X XX and the hardware version HW X XX are communicated to the user Next the initial view opens 3 0 3 0 ba...

Page 22: ...water consumption 2 Fix speed the device powers the pump at the set frequen cy 3 Constant value 2 set two desired values can be selected by opening or closing digital input 2 4 Fix speed 2 values two desired frequency values can be selected by opening or closing digital input 2 5 External speed it is possible to control the motor frequen cy through an analog signal connected to analog input 4 6 MP...

Page 23: ... can be reversed via the green key x Value set update t XX s 5 Time interval for updating the set value according to the com pensation x x Operating frequency f XXX Hz Max mo tor fre quency Frequency used by the device to power the motor x x Operating frequency 2 f XXX Hz Max mo tor fre quency Frequency used by the device to power the motor x Frequency min control fmin XXX Hz 50 Minimum frequency ...

Page 24: ...st uniform wear of the pumps x x x Alternance period t XX h 0 Maximum difference in operating hours between multiple devi ces in the unit 0 means 5 minutes x x x COMBO synchrony ON OFF OFF Through this parameter it is possible to activate the synchro nous operation of the pumps in COMBO Read the dedicated chapter However it is necessary to lower parameter Frequency min controlaccordingly x x Start...

Page 25: ...r Default Description Unit XXXXX bar Units of measurement bar ft in cm m K F C gpm l min m3 h atm psi Full scale sensor p XXX X bar 16 Full scale of the sensor Min value sensor p XXX X bar 0 Minimum sensor value Offset input1 XX X 20 Zero correction for analog input 1 4 20 mA 20 mA x 20 4 mA Offset input2 XX X 20 Zero correction for analog input 2 4 20 mA 20 mA x 20 4 mA Offset input3 XX X 20 Zero...

Page 26: ...rement mode None the flow rate is not measured Frequency proport the flow rate is calculated proportionally to the frequency of rotation of the pump AN2 4 20mA the flow rate is read through analog input 2 4 20 ma AN3 pulse The flow rate is read via analogue input 3 0 10 with a pulse signal Rated Flow XXX X m3 h 1 If parameter Flow Measure is set to Frequency proport the nominal flow rate correspon...

Page 27: ...n stop irradiation from the menu IN OUT parameters at a value below which the pump will be stopped after 60 seconds of operation The device will attempt to restart the pump every XX minutes based on the value specified in parameter Restarts delay 9 10 3 Stop for minimum flow It is possible to stop the pump if the flow rate falls below the value set in parameter Min stop flow The flow measurement m...

Page 28: ...0 of the maximum flow rate required considered in liters minute Example If the maximum flow rate required is 60 l min it is sufficient to use a 6 liter pressure vessel The pre charge pressure of the pressure vessel must be approx 80 of the operating pressure Example If the set pressure in the inverter is 4 bar the pre charge pressure of the pressure vessel should be approx 3 2 bar NOTE The pre cha...

Page 29: ...s to the alternation of operation managed by the inverters in the unit 1 2 3 5 1 2 3 5 1 2 3 5 4 6 7 7 7 1 Inverter 2 Pump 3 Check valve 4 PV system 5 Gate valve 6 Strings combiner with protections 7 DC disconnector 11 2 Solar pumping unit with two or more pumps in COMBO Solar The unit consists of two or more pumps up to 8 each controlled by an inverter The inverters are connected to each other vi...

Page 30: ...essary to start another pump in sequence It is advisable to set this parameter equal to the irradiation value necessary for the operation of a pump in the group at maximum power increased by 10 11 2 4 Programming of slave units Menu Parameter Value Control parameters COMBO ON to activate Control parameters Address from 01 to 07 Control parameters Alternance ON to activate OFF to deactivate It is p...

Page 31: ...g time has elapsed the master will assume address 0 and the slave address 1 thus allowing the unit to resume operation CAUTION In order to enable automatic master changeover parameter Autorestart must be set to ON Do not touch the keypad of the devices during the master replacement process otherwise the master change process will be interrupted 12 Alarms WARNING Immediate remedies must be implemen...

Page 32: ...N Check the value of the power supply voltage both under no load and load conditions Verify that the source has enough power to power the load A06 Over voltage The power supply voltage or the volt age inside the device exceeds the max imum allowed value Reset mode Automatic reset if parameter Autores tart ON Check the value of the power supply voltage both under no load and load conditions Check f...

Page 33: ...n interrupted Reset mode Automatic reset Check the electrical connection between the slave unit and the mas ter and the presence of possible disturbances Exit the master programming menu Attempt a manual reset of the alarm CAUTION Keep signal cables separate and never parallel to power cables If it is necessary to cross them make sure that they cross perpendicularly A14 Min value alarm The value r...

Page 34: ...is not sufficient to keep the temperature above the maximum permit ted value the inverter will stop the motor and trigger the alarm A03 Over temperature inverter A04 Dry run co sphi 1 flash of the yel low alarm led The warning W26 No water appeared 5 consecutive times following the au tomatic reset attempts Reset mode Alarm reset by STOP key Disconnecting the power supply WARNING When the warning ...

Page 35: ...rm LED on and alarm display via App The current absorbed by the load is too low in relation to the parameter Rated motor current Reset mode Alarm reset by STOP key Disconnecting the power supply Check the possible solutions for the alarm A01 Overcurrent motor A12 Ad dress er ror 9 flashes of the yellow alarm led In COMBO mode multiple devices in the group have the same address Reset mode Automatic...

Page 36: ... which the flow switch is connected has been activated Check the correct configuration of digital input 2 Check the correct operation of the flow switch and the connection to digital input 2 Check the value of parameter Dig input 2 3 delay W20 Temp derate The inverter is limiting the maximum motor frequency to keep the inverter temperature below the maximum limit Check the possible solutions for t...

Page 37: ... is greater than 0 the irradia tion reading has fallen below the value set for parameter Min stop irradiation Check that the parameters Full scale solarimeter and Min stop irradi ationare set correctly W18 Minimum flow Yellow alarm LED on and alarm display via App In control mode MPPT when parameter Flow Measure is active the flow rate reading has fall en below the value set for parameter Min stop...

Page 38: ...ctive and that the following harmonized standards and technical specifications have been applied EN 61000 6 3 2007 A1 2011 EN 61000 6 1 2007 A1 2011 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 1 V2 1 1 2017 ETSI EN 300 328 V2 1 1 2016 11 EN 60529 1991 A1 2000 A2 2013 EN 60335 1 2012 AC 2014 A11 2014 A13 2017 EN 60335 2 41 2012 EN 50581 2012 EN...

Page 39: ...cal and Electronic Equipment Regulations 2012 RoHS2 and that the following harmonised standards and technical specifications have been applied BS EN 61000 6 3 2007 A1 2011 BS EN 61000 6 1 2007 A1 2011 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 1 V2 1 1 2017 ETSI EN 300 328 V2 1 1 2016 11 BS EN 60529 1991 A1 2000 A2 2013 BS EN 60335 1...

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