P20L Controller Manual
Contents
1. presented and parameters are controlled via a customized LCD display screen interface The controller features an automatic 12V or 24V DC detect function that will identify the battery voltage upon initial battery connection and uses Pulse Width Modulation PWM allowing for a highly efficient and battery friendly charge control Built in protection includes overload short circuit reverse polarity PV panel reverse current over charging and discharging protection In the event of a short circuit or overload event the system will be protected and remain undamaged The enclosure is made of durable plastic with visual LCD graphic symbols to provide status indications of charge battery status and system faults Read this manual carefully before installing or using the controller and keep it for future reference 1 1 FEATURES Compact size is easy to mount on wall or panel Page 4 of 32 windynation Revision 1 P20L User Manual Visual LCD display User adjustable operation Intelligent PWM Charging Mode User settable charging amp discharging voltage parameters User settable working modes of loads Protection for battery bank discharging Protection for battery low voltage Battery reverse polarity protection Delayed auto restart after overloading protection Charge controller maintains batteries and extends battery life Convenient screw terminals for wiring Separate connections for PV panel battery and load2. User Manual 3 5 Error 23 3 5 1 Low Voltage 0 2 211 20 22 0 000 0110 000800 0 0 23 3 5 2 Overload Protection ics 24 3 5 3 Inp t Over Voltage Protection 25 4 1 Wire Gauge Reference a 26 4 1 1 Wire 55 26 5 1 Maintenance amp 27 52 5 27 5 37 28 54 29 5 4 1 FRESUICHIONS saved 30 5 4 2 Warranty Claims amp Return 30 5 4 3 31 5 4 4 imitation of LAITY 32 Page 3 of 32 windynation Revision 1 P20L User Manual 1 INTRODUCTION The WindyNation P20L Solar Charge Controller provides an intelligent multifunctional charging and power management solution for the solar charging of 12 and 24 volt battery systems Operation is conveniently
3. Built in overload and short circuit protection User selectable on off and time modes Wide operating temperature range 10 C to 60 C 14 F to 140 F 1 2 SAFETY INFORMATION Please read the installation and operating instructions carefully prior to use Pay special attention to the IMPORTANT and WARNING statements in the manual WARNING Page 5 of 32 windynation Revision 1 P20L User Manual Never install during a lightning storm or where unsafe voltages are present Solar panels produce power when exposed to light Shade solar panels whenever solar panel wires are exposed Do not use with equipment that exceeds the rated power for this device 1 3 SPECIFICATIONS 1 3 1 Electrical Specifications Parameter Rated Charge Current Rated Load Current Typical Idle Consumption CHC LCD 20 20 Amps 20 Amps At idle lt 5mA 50V DC 12V 24V DC Battery Systems 13 8VDC 27 6V DC Maximum Solar Input Voltage Rated Working Voltage Float Charging Voltage adjustable Low Voltage Protection adjustable 10 7VDC 21 4V DC Low Voltage Recovery adjustable 12 6V DC 25 2V DC No Load Loss lt 13mA Loop Voltage Drop lt 200mV Temperature Compensation 4 0 mV Cell C Page 6 of 32 windynation Revision 1 P20L User Manual Physical Specifications 1 3 2 Parameter 3 46 88mm x 6 30 160mm x 1 46 37mm 14 F to 140 F 10 C to 60 C lt 90 relative humidit
4. NOTE To change the Battery Type Press the CYCLE button for over 5 seconds until the number starts to blink flicker The controller will enter the adjustable mode where you can use the CYCLE and LOAD buttons to adjust the parameter After the value has been set press the MODE button for over 5 seconds to exit the adjustable mode and store the setting 3 5 ERROR CONDITIONS 3 5 1 Low Voltage Protection If the battery voltage is lower than the protection voltage Section 3 4 4 the controller will enter the low voltage protection state and the load will be disconnected The use of solar panels or an alternate charger is required to charge the battery to the recovery level Section 3 4 3 The controller will enter into the normal working state and power will be supplied to the load once the battery voltage exceeds the Low Voltage Protection voltage Page 23 of 32 windynation Revision 1 P20L User Manual When in Low Voltage Protection State the LCD will look similar to the image below and the circled Battery icon will blink 3 5 2 Overload Protection If the Load is drawing a current 1 2 times the rated current of the controller for three 3 seconds or more the controller will enter into an Overload Protection State When in this state any loads applied will need to be removed one by one until power is again supplied to the loads The controller will supply power to the loads automatically within seconds of bein
5. P20L User Manual windynation P20L LCD 20A Solar Charge Controller CHC LCD 20 User s Manual Page 1 of 32 windynation Revision 1 P20L User Manual Table of Contents 5 1 2 Safety Information WO 1 3 1 Electrical Specifications ssenari acainnean aandienen raa aie TE Ee Anat Enea asaidie ashanti 1 3 2 Physical Specifications 21 Electrostatic ESD Precautions 22 23 5 24 Parallel Connections 3 1 Button Definitions 3 2 LCD Graphic Indicators 3 3 LCD Interface Cycle 3 4 Interface 3 4 1 Battery Voltage MAIN 3 4 2 Float 19 3 4 3 Low Voltage Reconnect Interface 19 3 4 4 Low Voltage Disconnect Interface 20 3 4 5 Load Mode Timed Control Interface 21 3 4 6 Battery Type Selection Interface 22 Page 2 of 32 windynation Revision 1 P20L
6. USE INTERRUPTION OF BUSINESS LOST PROFITS LOST DATA OR INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND REGARDLESS OF THE FORM OF ACTION WHETHER IN CONTRACT TORT INCLUDING NEGLIGENCE STRICT LIABILITY OR OTHERWISE EVEN IF WINDY NATION OR ITS AFFILIATE OR SUPPLIER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE Some states do not allow the exclusion or limitation of incidental or consequential damages so these limitations may not apply to you Neither Windy Nation nor its affiliates or suppliers will be held liable or responsible for any damage or loss to any items or products connected to powered by or otherwise attached to the Product The total cumulative liability to Customer from all causes of action and all theories of liability will be limited to and will not exceed the purchase price of the Product paid by Customer This warranty gives the Customer specific legal rights and the Customer may also have other legal rights that vary from state to state Page 32 of 32 windynation Revision 1
7. and connections and any other load switches output 3 Over discharge of the battery The controller will resume normal operation put after the battery has finished charging 5 3 SUPPORT If you are experiencing technical problems and cannot find a solution in this manual you can contact Windy Nation Inc for further assistance e 805 323 6445 Page 28 of 32 windynation Revision 1 P20L User Manual Email support windynation com e Write 398 South Ash Street Unit Ventura 93001 For challenging issues or to just ask a question consider using our FREE Community Forums Consult our community of DIY ers for fast answers to all your questions Post our Forums http www windynation com community 5 4 WARRANTY Windy Nation warrants that the Power Controller the Product will be free from manufacturing defects materials and workmanship under normal authorized use consistent with product instructions for a period of one 1 year from the date the original purchaser Customer receives the Product the Warranty Period This warranty extends only to the original purchaser The Customer s sole and exclusive remedy and the entire liability of Windy Nation its suppliers and affiliates for breach of the warranty is at Windy Nation s option either i to replace the Product or defective component part s with a new or reconditioned Product or component part s ii to repa
8. anual 3 4 2 Float Charge Interface The value displayed in this interface is the float charge voltage setting When the battery reaches this voltage the controller will maintain the voltage value to prevent the battery from overcharging NOTE To change the Float Charge value Press the CYCLE button for over 5 seconds until the number starts to blink flicker The controller will enter the adjustable mode where you can use the CYCLE and LOAD buttons to adjust the parameter After the value has been set press the MODE button for over 5 seconds to exit the adjustable mode and store the setting 3 4 3 Low Voltage Reconnect Interface The value displayed in this interface is the Low Voltage Reconnect voltage set for the controller After the controller enters into a low voltage protection state Section 3 4 4 and the battery voltage recovers to the value set for the Low Voltage Reconnect the controller will reconnect the load automatically Page 19 of 32 windynation Revision 1 P20L User Manual 2 5 NOTE To change the LVR value Press the CYCLE button for over 5 seconds until the number starts to blink flicker The controller will enter the adjustable mode where you can use the CYCLE and LOAD buttons to adjust the parameter After the value has been set press the MODE button for over 5 seconds to exit the adjustable mode and store the setting 3 4 4 Low Voltage Disconnect Interfac
9. any direction Page 8 of 32 windynation Revision 1 P20L User Manual 3 46 2 59 IMPORTANT For best results mount the charge controller and batteries as close to the panels as practical 2 3 CONNECTIONS WARNING Loose connectors result in excessive voltage drop and may over heat wires which can cause the wire insulation to melt This can cause electrical fires Verify all connections are secure and have no voltage drop IMPORTANT NEC requires that the wires carrying the system current never exceed 80 of the conductor s current rating sizing recommendations are located in Section 4 Page 9 of 32 windynation Revision 1 P20L User Manual 9 6 9 Solar Panel 1 Leoa Output Battery Output in IMPORTANT The screw down terminals on the charge controller accept 8 26AWG wire IMPORTANT Strip the wire ends approximately 0 3 7 6mm before connecting to the charge controller Use caution when handling the stripped wires to avoid electric shock 1 Connect the Battery Page 10 of 32 windynation Revision 1 P20L User Manual Connect the charge controller to the battery BEFORE connecting the solar panels to the charge controller Insert the battery wiring to the BATTERY terminals on the front of the charge controller and tighten the terminals from the top of the controller using a screwdriver to ensure a good connection is made Be sure to note the polarity
10. ce press the CYCLE button for at least 5 seconds The number on the interface will start to blink or flicker and the parameter value can be adjusted using the LOAD and CYCLE buttons Page 13 of 32 windynation Revision 1 P20L User Manual Once the desired value is set press the mode button for over 5 seconds to exit the setting interface and the number will stop blinking or flickering Load On Off Parameter Adjust Cycle Interface Parameter Adjust 3 1 BUTTON DEFINITIONS Button Name Description LOAD At interface screen will turn the LOAD and off e Negative parameter adjustments Page 14 of 32 windynation Revision 1 P20L User Manual 47 CYCLE e Toggles the active LCD interface in a circular motion as defined in Sec 3 3 e Positive parameter adjustments e Holding button for gt 5 seconds will reset parameter setting state 3 2 LCD GRAPHIC INDICATORS Digital Parameter Battery Indicator Charge Indicator Solar Panel Indicator Discharge Indicator Load Indicator LCD Symbol Description Digital Parameter Charge Indicator Shows measurement in numerical format 0 9 When visible indicates solar panel is charging the battery When blinking battery is fully charged and in float charge state Solar Panel Indicator When visible indicates solar panel is producing voltage Page 15 o
11. e The value displayed in this interface is the Low Voltage Disconnect protection voltage set for the controller If the battery voltage is lower than the set protection voltage the controller will automatically disconnect the load to prevent the battery from over discharging The Low Voltage Disconnect is user settable 1 Page 20 of 32 windynation Revision 1 P20L User Manual NOTE To change the LVD value Press the CYCLE button for over 5 seconds until the number starts to blink flicker The controller will enter the adjustable mode where you can use the CYCLE and LOAD buttons to adjust the parameter After the value has been set press the MODE button for over 5 seconds to exit the adjustable mode and store the setting 3 4 5 Load Mode Timed Control Interface The P20L charge controller has a mode setting function to set specific operation parameters It is preset to the factory default of normal control 24 hours In Normal mode the load will draw from the battery at all times and the PV panel will charge the battery when sunlight is available It is also possible to have the load remain on for a set duration and when that set time period has elapsed the load will switch off The duration setting is available in increments of 1 hour and 1 23 hour delays can be selected PHa NOTE change the Load Control value Press the CYCLE button for over 5 seconds until t
12. f 32 windynation Revision 1 P20L User Manual Battery Indicator Visual representation of Batteries State of Charge Discharge Indicator When visible indicates the load is drawing power from the battery When blinking there is a problem with the controller Load Indicator Page 16 of 32 When visible indicates the load is ON When blinking there is a problem with the Load windynation Revision 1 P20L User Manual 3 3 LCD INTERFACE CYCLE 1 BATTERY VOLTAGE MAIN INTERFACE 2 FLOAT CHARGE VOLTAGE SETTING 3 LOW VOLTAGE RECONNECT SETTING E 6 BATTERY TYPE SETTING 5 LOAD TIMER CONTROL SETTING 4 LOW VOLTAGE DISCONNECT SETTING Page 17 of 32 windynation Revision 1 P20L User Manual 3 4 INTERFACE DEFINITIONS The P20L has six different graphical interfaces Each interface contains different information The Main Interface displays the current state of the Load PV charging Load discharging battery capacity and overall system working condition as shown below Battery Voltage Battery Full Solar Charging Load Discharging Load On 3 4 1 Battery Voltage MAIN Interface This is the MAIN Interface and the displayed number is the present battery voltage displayed in Volts By pressing the LOAD button from this interface you can turn the load ON or OFF NOTE The Load on off function is not available in any other interface Page 18 of 32 windynation Revision 1 P20L User M
13. g within an acceptable level When in Overload Protection State the LCD will look similar to the image below and the circled Load Icon will blink or flicker Page 24 of 32 windynation Revision 1 P20L User Manual 3 5 3 Input Over Voltage Protection If the battery voltage to the controller is higher than the rated input voltage the controller will stop output and enter the overvoltage protection state When in Over Circuit Protection State the LCD will look similar to the image below and the circled Battery Icon will blink or flicker Page 25 of 32 windynation Revision 1 P20L User Manual 4 APPLICATION 4 1 WIRE GAUGE REFERENCE 4 1 1 Wire Thickness Diameter inches Ohms per Break AWG mm 1000ft Force Square mm2 16 0 051 1 29 4 016 75 Ibs 1 30 14 0 064 1 63 2 525 119 Ibs 2 08 12 0 081 2 05 1 588 197 Ibs 3 30 10 0 102 2 59 0 999 314 Ibs 5 26 8 0 129 3 26 0 628 480 Ibs 8 30 6 0 162 4 11 0 395 760 Ibs 13 30 4 0 204 5 19 0 249 1210 Ibs 21 15 2 0 258 6 54 0 156 1930 Ibs 33 62 1 0 289 7 35 0 124 2430 Ibs 42 41 0 1 0 0 325 8 25 0 098 3060 Ibs 53 49 00 2 0 0 365 9 27 0 078 3860 Ibs 67 43 Page 26 of 32 windynation Revision 1 P20L User Manual 000 3 0 0 410 10 4 0 062 4860 Ibs 85 01 0000 4 0 0 460 11 68 0 049 6120 lbs 107 22 5 TROUBLESHOOTING AND SUPPORT The Controller requires minimal care It is recommended to inspect a
14. he number starts to blink flicker The controller will enter the adjustable mode where you can use the CYCLE and LOAD buttons to adjust the parameter After the value has been set press the MODE button for over 5 seconds to exit the adjustable mode and store the setting Page 21 of 32 windynation Revision 1 P20L User Manual Value Mode Function 24h Normal Default Load is supplied continuous power Load is supplied power at nighttime and continues working for the specified duration in hours For example if the Load Control Value is ne Timed Control set to 2h then the load will be turned on at night time and remain on for a period of 2 hours Oh Light Control Load starts to supply power after dark and stops at dawn sunrise IMPORTANT There is a 10 minute delay before turning on the load in order to make sure it is really dark and not a passing cloud etc 3 4 6 Battery Type Selection Interface The P20L has the ability to charge many battery types with parameters pre defined based on the battery type selected The battery types available are listed in the following table Battery Type LCD Selection Boost Voltage 2 hour duration Lithium Battery b00 Adjust Float Parameter to battery Sealed Battery Default b01 14 4V 28 8V Gel Battery b02 14 2V 28 4V Page 22 of 32 windynation Revision 1 P20L User Manual Flooded Battery b03 14 6V 29 2V l m Li
15. ir the reported problem or to refund the purchase price of the Product Repaired or replaced products are warranted for the remainder of the original warranty period only No employee agent dealer or other Page 29 of 32 windynation Revision 1 P20L User Manual person is authorized to give any warranties on behalf of Windy Nation not expressly set forth in this limited warranty 5 4 1 Restrictions No warranty will apply if the Product i has been altered or modified except by Windy Nation ii has not been installed operated repaired or maintained in accordance with instructions supplied by Windy Nation iii has been subjected to abnormal physical thermal or electrical stress misuse negligence or accident If Windy Nation determines that the problem with the Product is not due to a manufacturing defect in Windy Nation s workmanship or materials or otherwise does not qualify for warranty repair then the Customer will be responsible for the costs of all necessary repairs and expenses incurred by Windy Nation 5 4 2 Warranty Claims amp Return Procedures To be eligible for service under this warranty the Customer must submit a service request within the Warranty Period by contacting Windy Nation in writing or via telephone and obtaining a Returned Materials Authorization RMA number This RMA must be obtained before returning any product under this warranty Notification must include a description of the alleged defec
16. ll the connections at least two times per year for insulation damage or corrosion and to ensure all connections are tight and secure 5 1 MAINTENANCE amp CARE Clean the area around the controller of any dirt or debris with a cloth Tighten the screws on the terminals Inspect for loose broken or burnt wire connections Inspect batteries for cracked or bulging cases and corroded terminals Make sure the PV array is clean and remove any debris 5 2 TROUBLESHOOTING Problem Possible Remedies Page 27 of 32 windynation Revision 1 P20L User Manual 1 Check if the solar panel cables are connected properly 2 Check to make sure the correct battery is being used 3 Check all wiring connections to make sure they in their designated The charge to battery LCD locations and make sure that there are no loose connections indicator doesn t appear 4 Measure the PV array open circuit voltage and confirm normal limits when the solar panel is 5 Measure the PV voltage and the battery voltage at the controller terminals exposed to sunlight a If voltage at terminals is within specifications PV array is charging battery b If the PV voltage is within specifications to the open circuit voltage rating of the panels but the battery voltage is low the charge controller may not be charging the battery and it may be damaged i TER 1 Load open circuit The LOAD ON indicator is on but there is no power _ Check cables
17. of each terminal the charge controller self protection feature will prevent damage from reverse polarity connections but the charge controller will not function until the battery is connected properly A 30 amp fuse needs to be placed in the positive wire connecting the charge controller to the battery 2 Connect the Solar Panel PV Array Insert the solar panel wiring to the SOLAR terminals on the front of the charge controller and tighten the terminals from the top of the controller using a screwdriver to ensure a good connection is made Be sure to note the polarity of each terminal the charge controller self protection feature will prevent damage from reverse polarity connections but the charge controller will not function until the PV Array is connected properly A 30 amp fuse needs to be placed in the positive wire connecting the charge controller to the solar panel s WARNING High voltages may be present on the solar panel output wiring Solar panels produce electricity when exposed to light Make sure the solar panels are placed in the shade and are NOT in direct sunlight Use caution and avoid touching any conductors in the system circuit to avoid electric shock 3 Connect the Load Optional This step is optional and only required if you want to power a small less than 20A DC load through the charge controller Connect the wires from the appliance to the LOAD terminals on the front of the charge controller and Page 11 of 32 windyna
18. t the manner in which the Product was used the serial number if applicable and the original purchase date in addition to the name address and telephone number of the Customer Within five 5 business days of the date of notification Windy Nation will provide the Customer with an RMA number and the location to which the Customer must return the defective Product Any Product returned for warranty service shall be shipped at the expense and risk of the Customer The Customer must return the entire PagesOof32 Revisiond P20L User Manual Product kit or if authorized by Windy Nation the defective component parts within fifteen 15 days after issuance of the RMA number Windy Nation will be under no obligation to accept any returned Product that does not have a valid RMA number Customer s failure to return the Product within fifteen 15 days of its receipt of an RMA number may result in cancellation of the RMA All parts that Windy Nation replaces shall become Windy Nation s property on the date Windy Nation ships the repaired Product or part back to the Customer Windy Nation will use all reasonable efforts within thirty 30 days of receipt of the defective Product to repair or replace such Product If a warranty claim is invalid for any reason the Customer will be charged at Windy Nation s then current rates for services performed and will be charged for all necessary repairs and expense incurred by Windy Nation If Wind
19. tion Revision 1 P20L User Manual tighten the terminals from the top of the controller using a screwdriver to ensure a good connection is made Be sure to note the polarity of each terminal the charge controller self protection feature will prevent damage from reverse polarity connections but the charge controller will not function until the load is connected properly A 30 amp fuse needs to be placed in the positive wire connecting the charge controller to the load 2 4 PARALLEL CONNECTIONS Multiple controllers can be installed in parallel on the same battery bank to achieve higher charging current For example connecting two units in parallel can allow for 40 amps of charging current and connecting three units in parallel can allow for up to 60 amps of charging current Additional parallel controllers can also be added in the future however each Controller must have its own PV array as shown below Page 12 of 32 windynation Revision 1 P20L User Manual ARRAY 3 OPERATION Once the controller is properly connected the main display interface will appear the LCD and the current battery voltage will be displayed Press the CYCLE button to switch through the six different interfaces available on the P20L controller The cycle pattern of the interfaces is presented in Section 3 3 and the definition of each interface is presented in Section 3 4 Some parameters are user configurable In order to set an eligible interfa
20. y non condensing Operating Humidity Up to 8mm BAWG 2 INSTALLATION gt Insure all terminating connections are clean and tight to prevent arcing and overheating gt controller must be installed an area that satisfies all of the following conditions 1 Dry Avoid any location where water can contact the controller 2 Cool Ambient air temperature between 30 F and 105 F 0 C and 40 C 3 Ventilated Allow at least 4 in 10 cm of clearance above and below and at least 1 in 25 mm on each side for proper air flow Page 7 of 32 windynation Revision 1 P20L User Manual 2 1 ELECTROSTATIC ESD PRECAUTIONS All electronic circuits be damaged by static electricity To minimize the likelihood of electrostatic damage discharge yourself by touching an electrical ground e g copper pipe prior to handling the unit and avoid touching components on the circuit boards The risk of electrostatic damage is highest when relative humidity is below 40 2 2 MOUNTING Mounting is optional however the environment must be dry and protected from water 1 The controller can be mounted on a vertical or horizontal surface If mounted vertically the unit should be oriented such that neither end is at the top so foreign material cannot settle into the unit 2 Install four user supplied fasteners through the four mounting slots and into the mounting surface 3 Tighten all the fasteners to ensure the controller cannot slide
21. y Nation determines that a warranty claim is valid it will ship the repaired or replaced Product to Customer at Windy Nation s cost 5 4 3 Disclaimer EXCEPT FOR THE EXPRESS LIMITED WARRANTY SET FORTH IN THE PREVIOUS PARAGRAPH WINDY NATION DISCLAIMS ALL WARRANTIES EXPRESS IMPLIED AND STATUTORY INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO ANY PRODUCTS PROVIDED BY WINDY NATION NO ORAL OR WRITTEN INFORMATION OR ADVICE GIVEN BY WINDY NATION ITS DEALERS DISTRIBUTORS AGENTS OR EMPLOYEES SHALL IN ANY WAY INCREASE THE SCOPE OF THIS WARRANTY WINDY NATION DOES NOT WARRANT THAT THE QUALITY OR PERFORMANCE OF THE PRODUCTS WILL MEET YOUR Page 31 of 32 windynation Revision 1 P20L User Manual REQUIREMENTS OR THAT YOU WILL BE ABLE TO ACHIEVE ANY PARTICULAR RESULTS FROM USE OR MODIFICATION OF THE PRODUCTS Some jurisdictions do not allow the limitation or exclusion of implied warranties or how long an implied warranty may last so the above limitations may not apply to you In any such jurisdiction the warranty shall be limited to the minimum warranty and period required by law WINDY NATION EXPRESSLY DISCLAIMS ALL LIABILITY FOR BODILY INJURIES OR DEATH THAT MAY OCCUR DIRECTLY OR INDIRECTLY BY USE OF THE PRODUCT BY ANY PERSON 5 4 4 Limitation of Liability UNDER NO CIRCUMSTANCES WILL WINDY NATION OR ITS AFFILIATES OR SUPPLIERS BE LIABLE OR RESPONSIBLE FOR ANY LOSS OF
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