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SUNVERTER 3

AC SOLAR PUMP CONTROLLER

Installation &

Operating Manual

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Summary of Contents for SUNVERTER 3

Page 1: ...SUNVERTER 3 AC SOLAR PUMP CONTROLLER Installation Operating Manual ...

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Page 3: ... 4 View Running Data 20 4 5 View Historical Data 21 4 6 View or Modify the Control Parameter 22 4 7 Function Parameter Description 23 3 1 Installation Direction 5 4 OPERATION CONTROL 17 3 4 Electrical Connection 11 3 5 Single Phase Motor Wiring Installation 12 3 6 Water Level Switch Installation Wiring Instruction 4 3 Panel Operation 20 13 4 1 Initial Settings before rst Operation 17 2 6 Hybrid Op...

Page 4: ...ion Replacement of the Damageable 33 Part 6 5 Storage 33 TERMS OF WARRANTY 7 34 5 TROUBLE SHOOTING 26 5 1 Fault Code Description Solutions 26 5 2 Fault Page Display Description 26 5 3 Faulty Abnormal Code Description 26 5 4 Faulty Inquiry Reset 28 5 5 Important Note Description 29 5 6 Important Note Page Display Description 29 5 7 Important Note Code Description 29 ...

Page 5: ...ty providing fast response good stability and up to 99 efficiency Fully automatic operation with up to 8 years storage capacity of operating data Supports motor soft start and gives full motor protection User friendly LCD display interface with comprehensive display information Integral remote monitoring and control capability activated by installing a registered Sim Card with data plan or alterna...

Page 6: ...r module array with a nominal output about 30 greater than the motor size In hybrid applications higher array MPP voltage is specified to allow achievement of larger solar supply share of hybrid power supply The arrays should be wired in a combination of series and parallel connections to ensure that the correct voltage is available into the inverter It is important that the connection arrangement...

Page 7: ...nd 30cm at the top and bottom CAUTION 2 1 Purchase Inspection 2 2 Installation CAUTION Sunverter is normally wall mounted Ensure that the mounting backplate can support the weight of the inverter Misuse will result in re serious injury to persons or even death WARNING Misuse will cause low or middle level injury to person or equipment damage CAUTION CAUTION Suitable for indoor installation with su...

Page 8: ...ing to the steps indicated in this manual Do not change the function parameters of the inverter randomly else may cause damage to the equipment CAUTION The temperature of heat sink is normally high during running and it should not be touched else may cause burns Make sure all the wiring and connection are correctly connected before powering on or else may damage the PV disconnect box or cause re C...

Page 9: ...oop causing personal injuries CAUTION Reverse engineering is not permitted WARNING At the end of its design life the inverter should be disposed as industrial waste During incineration the electrolytic capacitor may explode and some parts may produce toxic and harmful gas 3 1 Installation Direction Ÿ Leave enough installation space between inverter and other objects nearby to ensure good ventilati...

Page 10: ... longitudinally a guide plate should be added in the middle 3 2 Installation Method Ÿ Choose the installation place and drill holes according to the size and shape of support plate the recommended diameter of holes is 8 1mm with 60 5mm depth Ÿ Fasten the support plate on the wall with 35Nm tightening torque expansion bolt Fig 2 Mounting Hole Diagram Fig 3 Inverter Mounting Installation Diagram Ÿ H...

Page 11: ...ed by manufacturer are suitable for installation on concrete walls If the inverter is to be mounted on wooden walls select the expansion bolt suitable for wooden wall mounting and ensure the expansion bolts are long enough to penetrate at least 1 2 of the wall thickness PV Disconnect Solar Input MCB SV3 INVERTER Tank Water Level Signal Well Water Level Signal Tank AC Input Water Level Switch Water...

Page 12: ... winding access terminal A of single phase motor Connected to negative electrode of solar pv array S Connected to S phase of grid T Connected to T phase of grid Single Phase AC Input L Connected to L phase of grid N Connected to N phase of grid Connected to earth cable AC Output Connected V phase of three phase motor main winding access terminal M of single phase motor V M W C Connected to W phase...

Page 13: ... meter signal input Function setting through Pr19 default value 3 I5 COM 24V power supply 24V power supply maximum output current 300mA can be used as power supply of communication module external sensor or miniature relay 24V COM 10V power supply 10V power supply maximum output current 50mA can be used as power supply of an external potentiometer with resistance value range of 1k Ω 5kΩ 10V GND RS...

Page 14: ...SV3 18T SV3 3 7M SV3 5 5T SV3 3 7T SV3 1 5M SV3 2 2M SV3 22T CAUTION To ensure the system works normally the cable size should be selected according to the table above NOTE L N R S T U V W 2 Earth Cable mm PE Signal Cable 2 mm 4 6 10 10 4 4 2 5 2 5 4 10 6 2 5 4 4 6 10 10 6 4 2 5 2 5 4 10 1 5 2 5 4 6 6 2 5 2 5 2 5 1 5 1 5 10 The recommended cable should be used under the conditions 0 of ambient tem...

Page 15: ...screw driver The tightening torque is 10Nm for the PV AC terminal and 7Nm for the signal terminal as shown in Fig 7 Fig 6 Wire Process Diagram Single Core Cable Stripping Diagram Multi Core Cable Stripping Diagram Single Core Strip 10mm at A DC Cable Solar Array Cable Type Process Description Multi Core Strip 50mm at A Strip 10mm at B AC Cable Multi Core Strip 50mm at A Strip 5mm at B Control Sign...

Page 16: ...arth cable to the ground screw at the bottom of the shell as shown in Fig 8 Step 5 Wired Sunverter shown in Fig 9 Fig 8 Grounded Connection Diagram Fig 9 Wiring Complete Diagram 3 5 Single Phase Motor Wiring Instruction Ÿ As shown in Fig 10 remove the external capacitor on the single phase pump and connect the inverter and single phase motor according to wiring instruction ...

Page 17: ...should be much bigger Step 3 If the measured resistance in step 2 appears to have little difference then compare water flow during operation to determine if the wiring is correct Keep C port wiring unchanged exchange the wiring of A and M and observe the water flow The wiring with bigger water flow should be the correct wiring From the above steps the connection ports A M C of single phase motor c...

Page 18: ...rter should be grounded separately Ÿ In areas with high incidence of lightning it is recommended to install an external surge protector at the power input of the inverter Ÿ If the inverter is far from the motor 200m it is recommended to install on output reactor or filter Ÿ It is recommended to install input and output reactors dedicated filters and magnetic rings at the input and output of the in...

Page 19: ...re is insufficient solar power Insufficient solar power is detected when the pump speed falls to the set value 30Hz AC PV blending Pr6 0 When there is both AC and PV power inputs inverter drives the pump running at rated speed Solar power usage is much higher when the solar irradiance is high 2 near 1000 W m Model SV3 M SV3 T AC Input Voltage VAC 1PH 220V 240V 3PH 380V 415V Recommended PV array vo...

Page 20: ...ower kW Solar Max Input Power kWp Output Current A 7 5 5 5 2 2 3 7 11 15 18 5 5 0 5 0 8 11 16 22 28 17 9 13 18 24 30 39 Max DC Input Voltage Vmax MPP Voltage VDC 450 850 600 700 1 1 2 2 8 6 1 5 3 3 11 150 360 Rated Voltage Output 1x220 240V 3x380 415V 324 370 22 SV3 7 5T SV3 11T SV3 15T SV3 18T SV3 3 7M SV3 5 5T SV3 3 7T SV3 1 5M SV3 2 2M SV3 22T 32 45 ...

Page 21: ...y the water level switch settings 6 1 Modify Pr 7 value as 0 enable the frequency setting from panel 2 Modify Pr 12 value as 30 00 3 Press RUN key and observe water yield from the outlet 4 Press STOP key and exchange any pair of pump cable connections with the inverter 5 Press RUN key and observe water yield from the outlet again 6 Press STOP key select the wiring method with bigger water yield to...

Page 22: ...e to 1 before the inverter restart Modify the control parameters as read only CAUTION Do NOT modify the inverter control parameters arbitrarily else may work abnormally Fig 13 Keyboard layout SV3 solar pumping inverter uses LCD display operation panel as shown in the figure below it includes 5 LED lights LCD screen and 8 keys in 2 rows 4 2 Panel Layout and Instruction 4 18 ...

Page 23: ...ts value in control parameter display status 2 Change historical date upwards or display historical data in historical data display status 3 Increase output frequency or display current running data upwards in running data display status according to operation mode Decreasing Key 1 Decrease parameter number or its value in control parameter display status 2 Change historical date downward or displ...

Page 24: ...atus as shown in the schematic diagram as follows PROG DATA Display status switching Display the running data Display the control data Display the historical data DATA PROG DATA PROG 4 4 View Running Data Operation Description Display Display current running data output frequency PV input voltage PV input current PV input power of the inverter Initial Status Current running data MODE MODE MODE Dis...

Page 25: ...iquid level depth and total energy generation Select the digit to be modified year month day Modify and confirm the date to inquiry Display historical data on inquired date daily generated energy max output power max MPP voltage total daily operation time ENTER DATA Quit from the display status of the historical data Display current running data Display current running data Water flow pipeline pre...

Page 26: ...ewed or modified when the cursor is at the end of the parameter number Confirm the parameter to view or modify The cursor will move to the end of parameter value line Modify the parameter value When the cursor is at the end of parameter value line the parameter value can be modified C o n f i r m a n d s a v e t h e modification Cursor moves to the end of parameter number line Quit from the parame...

Page 27: ...rload and over current Pr 5 Rated Power Rated power of the pump motor Unit kW Associated with the power value for PV AC power supply switching According to inverter rating Pr 6 AC PV Power Supply mode 0 1 0 AC PV hybrid mode motor keeps running at rated frequency when there is AC power input 1 Solar priority power supply mode 1 0 1 300 00 According to inverter rating Pr 7 Frequency Adjustment Mode...

Page 28: ...ort circuit is normal 7 Tank full signal open circuit is normal short circuit is abnormal 8 Valid when I1 I2 or I3 I4 are used as group for double source low signals both input are open circuit is abnormal both input are short circuit is normal 9 Valid when I1 I2 or I3 I4 are used as group for double tank full signals both input are open circuit is normal both input are short circuit is abnormal O...

Page 29: ...ignal otherwise the time will be cleared to re accumulate Unit s 1s Pr 28 Restart delay time of source low abnormal 1 30000 The delay time after water level return normal from source low protection If countdown time is more than 999 seconds the screen will still show 999 with the numbers blinking Unit s 600s Pr 29 Restart delay time of tank full abnormal 1 30000 The delay time after water level re...

Page 30: ... Starting when the fault or protection is cleared Displays Reset when maximum failures are reached To reset user may cutoff the power supply or press the RESET key combination to reset If the fault still exists after resetting please contact the manufacturer for help 5 3 Fault and Abnormal Code Description Code Description Possible Reason Counter Measures Solar radiation is too weak Very low PV in...

Page 31: ... cable connections Inspect if the pump power matches inverter capacity LossLoad Communication Error Device or circuit damaged Reset Contact D S Retailer Para Err Output short circuit to ground Output cable damaged Pump motor insulation damaged Inspect cable connections Inspect pump motor P to E Over temperature of module Air duct blocked Too high temperature Clear the air duct or improve the venti...

Page 32: ...lp find the fault cause Fault information is stored in the control parameters Pr 20 Pr 23 refer to the panel operation instructions to view the fault codes and find solutions When a fault occurs and the inverter needs reset to return to normal press and keys simultaneously Alternatively switch off power and reset CAUTION Be sure to check the cause of fault and eliminate it before resetting Continu...

Page 33: ...model E g L 2 20 L 220V series 2 20 rated power 2 2kW Version Displays firmware version of the inverter Status Displays Reset reset inverter to return to normal 5 7 Important Note Code Description Important Note Code Code Description Explanation Return to normal after resetting User parameters initialization Important parameter modification All parameters initialization Return to normal after rese...

Page 34: ...iate pump Resize and increase the solar array Solar array has not met design requirements The draw down is larger than anticipated Increase the installation depth of the pump throttle the pump or replace it by a smaller model to obtain a smaller capacity Wrong direction of rotation Change direction of rotation The valves in the discharge pipes are partly closed or blocked Check and clean or replac...

Page 35: ...mp throttle the pump or replace it with a smaller model to obtain a smaller capacity Riser pipe leakage Long delay before water flows after start Check and repair riser pipe Lift pump and rectify Water hammer Fit a surface non return valve and a diaphragm tank on the surface delivery piping Pump non return valve faulty Loud noise in the pipework Pump activation due to low system head resulting in ...

Page 36: ...est the control circuit _ When conducting insulation test on the motor dismantle the connection between motor and inverter 6 3 Main Points for Inspection and Maintenance Inspect and maintain as per the table below Inspect Frequency Inspection on Item Inspection Parameter Allowable Standard Routine Operating Environment Cooling System Inverter Body Motor Input Output Parameter 1 Temperature 2 Humid...

Page 37: ...nding it should be replaced immediately Cooling Fan The Sunverter has a cooling fan inside Replace the fan if it makes abnormal noise or vibrations 6 5 Storage If the product is to be stored the following should be noted _ Avoid high temperature or humidity or where there is vibration and metal dust ensure proper ventilation at all times _ Filter capacitor performance declines with long time disus...

Page 38: ...xcludes defects caused by fair wear and tear the effects of careless handling lack of maintenance faulty installation incompetence on the part of the equipment user Acts of God or any other cause beyond the Distributors s reasonable control Also any repair or attempt at repair carried out by any other party invalidates all warranties General Terms If equipment failure occurs in the normal course o...

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Page 40: ...INS475A 03 21 www davisandshirtliff com ...

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