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Summary of Contents for Bedford WLD280 Series
- Page 1 Solar PV Water Pump Controller WLD280 Series User Manual GUANGZHOU BEDFORD ELECTRIC EQUIPMENT CO., LTD. V1.0.1...
- Page 3 PREFACE Thanks for choosing our product, we will supply you with considerate service as well as ever. WLD280 is a solar pump controller which is special designed for solar photovoltaic pump to replace battery with retain water. Solar pump controller receives the DC produced from solar modules and transfer into AC to directly drive all kinds of three-phase pump.
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Page 4: Table Of Contents
CONTENTS 1 SAFETY PRECAUTIONS ..............1 2 SPECIFICATION ................. 2 2.1 Output 3AC 220V ..................2 2.2 Output 3AC 380V ..................2 2.3 Description of Name Plate ................ 2 2.4 Selection Guide ..................3 2.5 Description of controller component names ..........4 2.6 Overall dimensions and mounting dimensions .........4 3 INSTALLATION .................. - Page 5 7 INITIAL DEBUGGING ..............26 8 TROUBLE SHOOTING ..............27 8.1 Fault and trouble shooting ...............27 8.2 Common Faults and Solutions ..............28 9 MAINTENANCE ................29 9.1 Daily Maintenance .................. 29 9.2 Periodic Maintenance ................30 9.3 Replacement of Wearing Parts ..............30 10 Controller Wiring Guide ..............
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Page 6: Safety Precautions
Solar PV Water Pump ControllerWLD280 Series User Manual 1 SAFETY PRECAUTIONS Please read the operation manual carefully before using to keep your safety and make sure proper operation. In this manual, the safety precautions were sorted to “WARNING” and “CAUTION”. WARNING: Wrong using may result in death or serious personal injury. -
Page 7: Specification
Solar PV Water Pump ControllerWLD280 Series User Manual 2 SPECIFICATION 2.1 Output 3AC 220V Maximum input DC voltage 400VDC Recommended DC input voltage range 220VDC~370VDC Recommended input working voltage 305VDC The number of Input port Rated output voltage AC 220V Cooling method Air cooling This controller should be installed with altitude of... -
Page 8: Selection Guide
Solar PV Water Pump ControllerWLD280 Series User Manual 2.4 Selection Guide Table 2-4-1 WLD280 List Rated Output Rated Input Rated Output Motor Power Model Power (kW) Current (A) Current (A) (kW) Output 3AC 220V WLD280-2001 0.75 0.75 WLD280-2002 11.1 WLD280-2003 15.8 10.0 WLD280-2004... -
Page 9: Description Of Controller Component Names
Solar PV Water Pump ControllerWLD280 Series User Manual 2.5 Description of controller component names Figure 2.5.1 Parts of controllers (220V: 22.0kW and below, 380V: 37.0kW and below) Figure 2.5.2 Parts of controllers (220V: 30kW and above, 380V: 45kW and above) 2.6 Overall dimensions and mounting dimensions Figure 2.6.1 220V: 0.75kW~22.0kW, Figure 2.6.2 220V: 30.0kW~55.0kW,... - Page 10 Solar PV Water Pump ControllerWLD280 Series User Manual Figure 2.6.3 380V: 132.0kW~200.0kW A(mm) B(mm) H(mm) W(mm) D(mm) Installation Power (kW) Installation Dimension External Dimension Hole (mm) 220V: 0.75~2.2 114.0 174.0 186.0 126.0 163.8 380V: 0.75~2.2 220V: 3.0~3.7 114.0 174.0 186.0 126.0 380V: 4.0~5.5 220V: 5.5...
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Page 11: Installation
Solar PV Water Pump ControllerWLD280 Series User Manual 3 INSTALLATION 3.1 Installation Space Model (KW) Dimension 220V: 0.75kW~7.5kW A≥50mm B≥100mm 380V: 0.75kW~15.0kW 220V: 11.0kW~15.0kW A≥50mm B≥200mm 380V: 18.5kW~22.0kW 220V: 15.0kW~22.0kW A≥50mm B≥200mm 380V: 22.0kW~37.0kW 220V: 22.0kW~55.0kW A≥50mm B≥300mm 380V: 37.0kW~200.0kW Vertical upward mounting Figure 3.1.1 Safe space Figure 3.1.2 Installation of multiple controllers... -
Page 12: Disassembly And Installation Of Cover Plate
Solar PV Water Pump ControllerWLD280 Series User Manual 3.2 Disassembly and Installation of Cover Plate Figure 3.2.1 Disassembly and installation of plastic Figure 3.2.2 Disassembly and installation of mental plate... -
Page 13: Wiring
Solar PV Water Pump ControllerWLD280 Series User Manual 4 WIRING 4.1 Schematic Figure 4.1.1 Photovoltaic water supply system Notice: 1. The DC circuit breaker Q1 must be installed as the photovoltaic DC input protection switch. 2. When the distance between the PV module and the controller exceeds 10 metres, the DC input needs to be equipped with a Type II lightning protector. -
Page 14: Solar Cell Array And Ac Power Supply
Solar PV Water Pump ControllerWLD280 Series User Manual 4.2 Solar cell array and AC power supply Figure 4.2.1 The solar cell array and the power frequency power supply wiring diagram Precautions for the commissioning of industrial frequency power supply Power On Sequencing:disconnect Q2 first, you must wait 5 minutes so that the controller is discharged;... -
Page 15: Inverter Ac/Dc Switching Scheme
Solar PV Water Pump ControllerWLD280 Series User Manual The input range is 0V to 10V/4mA to 20mA, which is AI1-GND determined by DIP switch J3 on the control board Simulate input Input impedance: 22kΩ (voltage input), 500Ω (current AI2-GND input) The switching input terminals form optically coupled DI1-COM isolated inputs with +24V and COM... - Page 16 Solar PV Water Pump ControllerWLD280 Series User Manual Note: When AC/DC is connected at the same time, the selection refer to the WLD280-PV/ACX series PV/ mains power switch box manual. The necessary low-voltage electrical appliances include AC circuit breaker QF, AC contactor KM and DC circuit breaker QF. For specific selection, please refer to Table 4-3-1.
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Page 17: The Wiring Of Water-Level Automatic Control
Solar PV Water Pump ControllerWLD280 Series User Manual AC circuit DC circuit AC contactor Lightning Input/ Output Model Breaker (A) breaker protector Cable (mm²) WLD280-4270 630A/1000VDC Please contact company for other specification. 4.4 The wiring of water-level automatic control 4.4.1 The wiring to prevent pump from anhydrous idling 4.4.1.1 The wiring for floater water-level switch connected by cable If you use a rod type float level switch with normally open (NO) contact output, the common terminal line is connected to the COM terminal of WLD280, the low water level control line is... - Page 18 Solar PV Water Pump ControllerWLD280 Series User Manual Figure 4.4.3 Low water-level Figure 4.4.4 High water-level Remarks: Using the contact output for the normally open (NO) type linkage type float level switch, the water level of the well is higher than the high water level, DI1, DI2 and COM connected, WLD280 automatically control the pump operation.
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Page 19: The Wiring Of Reservoir
Solar PV Water Pump ControllerWLD280 Series User Manual 4.4.2 The wiring of reservoir 4.4.2.1 The wiring for floater water-level switch connected by cable Use the common terminal wire of the cable type float level switch to connect to the COM terminal of WLD280, select the normally open (NO) wire to DI3 (DI3 and DI4 are shorted), then set DI3=0 and DI4=0 in the parameter F0-15. - Page 20 Solar PV Water Pump ControllerWLD280 Series User Manual Figure 4.4.8 Low water-level Figure 4.4.9 High water-level Remarks: Using the contact output for the normally open (NO) type rod float water level switch, the water level of the cistern (water tower) is lower than the low water level water level, DI3, DI4 and COM disconnect, WLD280 automatically control the pump to run, to the cistern (water tower) water injection.
- Page 21 Solar PV Water Pump ControllerWLD280 Series User Manual 4.4.2.4 The wiring for floater water-level switch mounted on a side Wiring diagram: If you use a side-mounted float level switch with normally open (NO) contact output, the common terminal line is connected to the COM terminal of the WLD280, the control line of the low level float switch is connected to the DI3 terminal of the WLD280, and the control line of the high level float switch is connected to the DI4 terminal of the WLD280, then set DI3=0 and DI4=0 in the parameter F0-15.
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Page 22: Operation
Solar PV Water Pump ControllerWLD280 Series User Manual 5 OPERATION 5.1 Keypad Description 5.1.1 Keypad schematic diagram Figure 5.1.1 Keypad schematic diagram 5.1.2 Key function description Button Symbol Name Function Description Entry or escape of first-level menu and remove Programming Key parameters quickly Enter Key Progressively enter menu and confirm parameters... -
Page 23: Indicator Light Description
Solar PV Water Pump ControllerWLD280 Series User Manual 5.1.3 Indicator light description 5.1.3.1 Function Indicator Light Description Indicator Light Name Indicator Light Description Extinguished: stop status Light on: operation status Extinguished: Forward operation FWD/REV Light on: Reverse operation Extinguished: normal operation status FAULT Light on: overload pre-warning status 5.1.3.2 Unit Indicator Light Description... -
Page 24: Running State
Solar PV Water Pump ControllerWLD280 Series User Manual 5.3 Running State 5.3.1 Power-on initialization Firstly the system initializes during the controller power-on, and LED displays “Ld280”, and seven indicator lights are all on. After the initialization is completed, the controller is on stand-by 5.3.2 Stand-by status. -
Page 25: Fault
Solar PV Water Pump ControllerWLD280 Series User Manual Operation Description Display Notes Output current 5.3.4 Fault WLD280 series controller provide various of fault information, please refer to WLD280 series controller faults and solutions for details. 6 PARAMETER FUNCTION Function Factory Name Description... - Page 26 Solar PV Water Pump ControllerWLD280 Series User Manual Function Factory Name Description code setting detection is invalid. Otherwise, when the output coefficient current of the inverter is less than the value of F0-12*F0-10, and the duration Water shortage F0-13 0.0s~3600.0s 10.0s is longer than water shortage detection detection time...
- Page 27 Solar PV Water Pump ControllerWLD280 Series User Manual Function Factory Name Description code setting Switching delay F0-22 time from city 0.0min~3600.0min 5.0min power to PV Transition time F0-23 between PV and 0.0s~3600.0s 1.0s city power 0: Invalid 1: When the PV voltage is less than the value of the valve (it has been switched to the city power when it is F0-24 Night mode...
- Page 28 Solar PV Water Pump ControllerWLD280 Series User Manual Function Factory Name Description code setting Suggestions for use: Manual (F0-34=0): 0.75kW~3.0kW models utility/photovoltaic input at the same time Auto 1 (F0-34=1): 0.75kW~3.0kW utility/photovoltaic input at the same time. Auto 2 (F0-34=2): First, all models only PV input, second, 4.0kW and above models utility / PV input at the same time.
- Page 29 Solar PV Water Pump ControllerWLD280 Series User Manual Function Factory Name Description code setting arrives, then send data to host computer. 0.0s (invalid), 0.0s~60.0s When the function code is set to a valid value, if the interval between one communication and the next Communication communication exceeds the communication timeout F0-40...
- Page 30 Solar PV Water Pump ControllerWLD280 Series User Manual Function Factory Name Description code setting Output current at F0-49 Output current when fault is happening 000.00 the current fault DC bus voltage F0-50 at the current DC bus voltage when fault is happening 0000.0 fault 0000~1111, the value as a decimal digit.
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Page 31: Initial Debugging
Solar PV Water Pump ControllerWLD280 Series User Manual 7 INITIAL DEBUGGING In order to ensure photovoltaic water supply system can work in efficiency, reliability and steady, the parameters setting of controller and debugging for the first time were performed by the professional electrical engineering technicist according to the following steps. -
Page 32: Trouble Shooting
Solar PV Water Pump ControllerWLD280 Series User Manual 8 TROUBLE SHOOTING 8.1 Fault and trouble shooting Fault Fault Type Reason Solution Code 1. Inspect pump and reduce the 1. Sudden change of pump; change; 2. Low input voltage; 2. Check the power supply (PV Over-current 3. -
Page 33: Common Faults And Solutions
Solar PV Water Pump ControllerWLD280 Series User Manual Fault Fault Type Reason Solution Code 1. High ambient temperature 1. Lower ambient temperature 2. Air vent blocked 2. Clean air vent IGBT overheat 3. Cooling fan breakdown 3. Replace cooling fan 4. -
Page 34: Maintenance
Solar PV Water Pump ControllerWLD280 Series User Manual (3) Motor doesn’t move after controller running: Inspect if there is balanced three-phase output among U, V, W. If yes, then motor could be damaged, or mechanically locked. Please solve it. ... -
Page 35: Periodic Maintenance
Solar PV Water Pump ControllerWLD280 Series User Manual 9.2 Periodic Maintenance In order to prevent the controller from malfunctioning and to ensure its long time high performance and stable operation, the user must check the controller regularly (within half a year), and the contents of the check are indicated below: Inspection items Inspection content... - Page 36 Solar PV Water Pump ControllerWLD280 Series User Manual Function Name Description Factory setting code 0.00Hz~60.00Hz, when the running frequency The lower F0-02 is lower than this value, the controller will stop 30.00Hz frequency running 100V ~ 900V, bus Output 150V Output voltage voltage greater than the 220Vseries:150V...
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Page 37: Controller Wiring Guide
Solar PV Water Pump ControllerWLD280 Series User Manual 10 Controller Wiring Guide ■ 220V：0.75~2.2kW，380V：0.75~2.2kW,Wiring Diagrams ■ 220V：3.0kW~15.0kW，380V：4.0kW~22.0kW ,Wiring Diagrams... - Page 38 ■ 220V：18.5kW~22.0kW，380V：30.0kW ~ 37.0kW,Wiring Diagrams ■ 220V：30.0kW~55.0kW，380V：45.0kW ~ 110.0kW,Wiring Diagrams...
- Page 39 ■ 380V：132.0kW ~ 200.0kW,Wiring Diagrams...
- Page 40 Agent:...
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