PVDM4-LC-KIT
Contents
1. This is also normal if the battery is at or nearly fully charged and the PV charge current is at or near maximum The battery load has been left on and the storage battery has discharged below 6V DC The PV system is not charging when the load is turned off The PVCM20D needs at least 6V DC from the battery to operate properly Place panel in direct sunlight and jumper the red and yellow wires for a few minutes thus bypassing the charge controller allowing the battery voltage to rise to at least 7V DC Disconnecting the jumper will allow the PVCM20D to charge the battery up to normal levels 11 CLEANING TIPS Do not apply water or cleaning solution directly to the face plate or LCD of the PVDM4 LC The liquid could run between the face plate and the LCD causing damage to the electronics and void the warranty Recommendation for cleaning PVDM4 LC apply water or cleaning solution to a soft cloth and spot clean the face plate as needed 12 PVCM20D SPECIFICATIONS SIZE WEIGHT ENCLOSURE MOUNTING POWER LOAD CAPACITY TEMPERATURE COMPENSATION ACCURACY CURRENT DRAW LED INDICATION Charging Mode Battery Voltage VOLTAGE DROP MINIMUMS INTERNAL SHUNT TEMPERATURE RELAY LIFE 2 1 x 4 0 x 1 3 inches 6 ounces Epoxy potted in PVC plastic 2 8 x 75 L screws 6 to 30V DC from storage battery 20 Amps 28V DC Minimum is 20 watt panel Flooded Battery Thresholds below 0 C On 13 3VDC2. Charge amp Battery Status LEDs DESCRIPTION PVDM4 LC Display Processor Micro processor controls all display and read out functions RJ 45 Jack Power and signal connection point to PVCM20D charge controller module Requires Cat 5 patch cable Battery Voltage Adjust P1 Displays battery voltage adjustment potentiometer Set during step 2 of PVDM4 LC installation Cable Error LED lights when a crossover cable is connected 3 Digit Backlit LCD Display lights for 15 seconds every time the select button is pressed Mode Select Button Allows user to change display read out reset solar amp hour accumulator and lock display setting Selection Indicators Indicates which of 4 readings is displayed PVCM20D Mounting Holes accepts a 8 sheet metal or wood screw 14 Yellow 14 awg Wire Connects to the wire of the PV panel 14 Red 14 awg Wire Connects to the Battery terminal or wire 16 Black 18 awg Wire Connects to the Battery terminal or wire Optional External Load Shunt Input Used with PVDM6 LC display unit Input designed for 500 amp 50 mv load shunt RJ 45 Jack Power and signal connection point for the PYVDM4 LC display module Requires Cat 5 patch cable Charge amp Battery Status LEDs Red charge status LED indicates when charging Battery charge level LEDs indicate Full Green Partial Yellow Low Blinking Or
3. in EMT as desired Route or pull the display end of the network cable into the electrical box being careful not to damage the RJ 45 plug Plug the network cable into the back of the PVDM4 LC module and mount the module with 6 32 screws into the tabs of the single gang box Hand tighten the screws to avoid damaging the PVDM4 LC module Now plug the charge controller end of the network cable into its RJ 45 jack and verify that the display is working properly Use grease or silicone to cover the controller side of the network cable plug to avoid corrosion and fill the end of conduit 7 BATTERY ADJUST POT amp JACK LOCATIONS Face Plate Display Processor CAT 5 Patch Cable Jack Battery Voltage Adjust P1 pot Cable Error Indicator The Battery voltage calibration potentiometer is located in the lower left hand corner of the PVDM4 LC below the RJ 45 jack along with a cable error LED INSTALLATION TIPS PVDM4 LC 1 If a network cable up to 50 feet long other than the one supplied in this kit is used to connect the PVDM4 LC to the PVCM20D charge controller it must be the same straight through type or the display will not read properly A cable error LED may light up on the back of the meter if the wrong type of cable such as the crossover type is used 2 The minimum solar charge current the PVDM4 LC will indicate is
4. only looks at the PV voltage once every 4 minutes 10 Seal all connections with electrical tape grease or silicone 5 HOOKUP DIAGRAM PVCM20D py PV UL Py 12V 24VD Storage Battery Yel Red Blk TIID INTERNAL 0 005 opm CHARGES 100MV SHUNT FULL PARTIAL PVCM20D LowQ INSTALLATION TIPS PVCM20D Exposed connections should be waterproofed Grease or silicon will adequately protect connections such as splices or the network cable jack Clip blue jumper wire for sealed battery threshold change When wiring the PV panel into the battery system adequate wire size must be used 12 awg or larger wire is recommended If smaller wire is used the battery may not achieve full charge Check the battery fluid level occasionally at least every 90 days and add water as necessary Install the PVCM20D in the battery enclosure for the temperature compensation to work properly lt 6 INSTALLATION INSTRUCTIONS PVDM4 LC 1 Complete the installation and test the operation of the PVCM20D charge control module Before mounting the PVDM4 LC remove tape from the RJ 45 jack on the PVCMZ20D and plug in the network cable to both the PYVCM20D and PVDM4 LC charge controller Verify that all the readings work properly Calibrate the battery voltage reading by first measuring the battery voltage with an accurate di
5. position until the display times INTERNAL out 4 minutes 0 005 OHM CHARGES 2 If the button is held through all readings then released at the battery 100MV SHUNT FULL voltage display the PVDM4 LC will enter the scroll mode advancing PARTIALO to the next reading every 3 seconds indefinitely PVCM20D Lowa 3 Tapping the button exits the scroll mode 4 A low battery voltage condition will also exit the scroll mode d Display lock mode is available for Solar Charge Amps and Battery Fuse O O O Percentage 1 To lock display from timing out and reverting to battery voltage e advance display to desired position then press and hold the button H aN until the display flashes approximately 3 seconds 2 Release button when the display stops flashing it will remain X Battery Voltage TYPE TS68A or pe r T568B NETWOR indefinitely in that reading ai Rider PATCH CABLE 3 Tapping the button while the display is flashing prevents entering X Battery uA the lock mode E 4 Advancing to the next reading see par 3b cancels the lock mode 45 RJ 45 JAC 5 Low battery voltage also cancels the lock mode ae a e Resetting the Solar Accumulated Amp Hour reading to zero O O DISPLAY MODULE 1 Pressing and holding the button for approximately 6 seconds will PVDM ni
6. voltage for the PVDM4 LC to operate properly The PVDM4 LC display will continue to accumulate amp hours they just won t be displayed without reverting back to the flashing battery voltage after 5 seconds The battery voltage signal tells the PVDM4 LC module what battery system voltage it is 12V 24V or 48V INSTALLATION INSTRUCTIONS PVCM20D 1 Complete the mounting installation of the Photo Voltaic Panel s verify and label the PV wire and PV wire by measuring the PV voltage with sun light applied to panel s if not already labeled Now cover panel s with it s shipping box es to prevent PV panel output from being shorted during the routing of the PV wiring to the location where the PVCM20D is to be mounted If the PVCMZ20D is to be mounted somewhere other than next to the storage batteries a pair of 12 awg wires 1 red 1 black may have to be pulled to the PVCM20Ds mounting location from the battery compartment Do not connect either end of the pair of wires at this time Mount the PVCM20D with the screws provided Do not remove the tape covering the RJ 45 jack until you are installing the PVDM4 LC remote display unit Now with the PV panel s covered and the pair of 12 awg battery wires not connected to the battery it s time to connect the PVCM20D wires First connect together the negative wires from the PV panel PVCM20D black and black battery wires using a wire nut or butt splice not provided Next conn
7. C COM 1 Cut out of booklet 16
8. Off 15 0VDC between 0 5 C On 13 3VDC Off 14 8VDC between 5 10 C On 13 1VDC Off 14 6VDC between 10 15 C On 12 9VDC Off 14 4VDC between 15 30 C On 12 7VDC Off 14 2VDC between 30 35 C On 12 7VDC Off 14 0VDC between 35 40 C On 12 6VDC Off 13 8VDC between 40 45 C On 12 6VDC Off 13 6VDC Temps gt 45 C On 12 7VDC Off 14 2VDC Sealed Battery Thresholds Blue Jumper Clipped Voltages are 0 3VDC less than above threshold voltages Rm temp 20 25 C On 12 4VDC Off 13 9VDC Double above threshold values for 24V DC systems 0 1V DC 12V System 0 2V DC 24V System Continuous lt 7mA During charge lt 55mA Red Green 2 12 75V DC or 25 5V DC Yellow 11 2V DC to 13 3V DC or 22 4V DC to 25 5V DC Orange lt 11 2V or 22 4V 0 10V DC 20 Amps Charge current 80mA Open PV Voltage 16V or 32V DC 005 Q 100 millivolt 20 Amps 30 to 75 C 100 million mechanical operations 13 PVDM4 LC SPECIFICATIONS SIZE WEIGHT MOUNTING POWER CURRENT DRAW CONNECTION CONTROL DISPLAY VOLTAGE CURRENT DISPLAY BATTERY PERCENT DISPLAY LOW BATTERY VOLTAGE AMP HOURS TEMPERATURE 2 15 x 4 5 x 75 inches 3 ounces Single gang electric box or surface mount with cutout 12 to 24V DC from PVCM20D or 12 to 48V with PVDAM adaptor 15 mA normal mode 35 mA with back light on RJ 45 jack to T568A or T568B network Cat 5 patch cable Single select reset button 3
9. about 20 amps Below this value the PVDM4 LC will display chr if the PVCM20D is passing solar charge current to the battery The current display will indicate O if the controller is not charging 3 The solar current shunt used in the PVCM20D in this kit is for a maximum of 20 amps There are other meters and charge controllers in the Atkinson Electronics product line Only charge controllers and meters from this PVDM4 LC PVCM20D kit may be interchanged with other controllers and meters from kits of the same part number 8 HOOKUP DIAGRAM PVDM4 LC USER INSTRUCTIONS 1 The power and signals to the PVDM4 LC display are supplied through the CAT 5 network cable connecting the PVDM4 LC to a PVCM20D charge To PV panel controller or PVDAM adaptor module is Fuse by User 2 The PVDM4 LC will normally revert back to the continuous battery voltage Sal To display after approximately 4 minutes in any other reading Loads 3 Select button operation i cs a Tapping or pressing the select button activates the backlight for 30 seconds a 12V 24VDC b Pressing for to 1 second then releasing the button advances to the a Storage next reading Battery c From the battery voltage display only pressing and holding the button will advance the display automatically through each of the readings Yel Red Blk 1 If the button is released before returning to the battery voltage c d i 7 x display the reading will remain in that
10. ange KIT CONTENTS Soar Amp Hours Battery Remaining PVDM4 LC We PVDM4 LC Mounting Screws 5 Cat 5 Patch Cable PVCM20D DESCRIPTION OF OPERATION The PVCM20D micro processor based photo voltaic PV charge controller connects PV panels to 12V or 24V DC storage batteries The PVCM20D determines which mode to operate in 12V or 24V by measuring both battery and PV charge voltages The PVCM20D performs five basic functions 1 Senses when the battery is fully charged and disconnects the PV charge current to avoid over charging the battery 2 Resumes charging the battery when the battery voltage has dropped sufficiently to accept additional charge current 3 Checks the availability of PV charge current by cycling the relay every 4 minutes If there is insufficient charge current available it will disconnect the battery to prevent discharge through the PV panels at night 4 It compensates for battery temperature and adjusts the charge threshold voltages when mounted in battery case 5 Its microprocessor reduces the charging rate of fully charged batteries to minimize water addition requirements Fe PVDM4 LC DESCRIPTION OF OPERATION The PVDM4 LC display module serves as a remote digital readout for the PVCM20D and PVDM6 for the PVCM40D charge controllers The PVCM charge controllers contain an internal solar current shunt RJ 45 network jack and associated internal wiring to provide power and si
11. bove limitations may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from State to State or Country to Country All products manufactured by Atkinson Electronics Inc are warranted to be free from defects in material and workmanship in accordance with and subject to the following terms and conditions 1 This warranty is limited to the original customer only It cannot be transferred or assigned to third parties unless the intent to transfer to a third party is expressly indicated in a purchase order and or warranty processing arrangements have been agreed upon in writing by Atkinson Electronics Inc 2 Atkinson Electronics Inc will correct any defects in material or workmanship which appear within two 2 years from the date of shipment by Atkinson Electronics Inc or its authorized distributors to the original Customer Atkinson Electronics Inc will repair or replace at our option any defective products provided that our inspection discloses that such defects developed under normal and proper use This warranty does not extend to goods subjected to misuse neglect accident or improper installation or to maintenance or repair of products which have been altered or repaired by anyone except Atkinson Electronics Inc unless otherwise stated in writing Atkinson Electronics Inc will correct any defects in material or workmanship of OEM products designated as such in our
12. catalog or web site which appear within two 2 years from the product date code or from the factory invoice date whichever is later 3 An appropriate charge 25 of product list price may be made for testing repairs replacement and shipping for a returned product which is not defective or found to be defective as the result of improper use maintenance or neglect 15 LIMITED WARRANTY 4 Atkinson Electronics Inc will not accept responsibility for any invoiced goods or services that are not covered by an Atkinson Electronics Inc written purchase order Under no circumstances does Atkinson Electronics Inc agree to pay for labor or other related expenses associated with the troubleshooting and or repair of our product without prior specific written authorization 5 Information in our descriptive literature is based on product specifications that are current at the time of publication Product specifications design and descriptive literature are subject to change as improvements are introduced Although we announce changes as they occur we cannot guarantee notification to every Customer Atkinson Electronics Inc warrants delivered products to conform to the most current specifications design and descriptive literature This warranty policy may be expanded or limited for particular categories of products or Customers by information sheets published as deemed appropriate by Atkinson Electronics Inc TEMPLATE PVDM4 L
13. digit LCD to 999 or 99 9 with decimal 35 inch character height Displays 0 to 60V DC 0 to 20 Solar Charge Amps below 25 amps the display will indicate chr if the controller is charging While charging reads over 100 12 8V 100 10 8V 0 12V system 25 6V 100 21 6V 0 24V system 51 2V 100 43 2V 0 48V system Detects 11 2V 22 4V amp 44 8V for 12V 24V amp 48V systems Displays 0 TO 999 accumulated 0 to 50 C 14 LIMITED WARRANTY Atkinson Electronics Inc gives this express warranty along with extended warranty endorsements where applicable in lieu of all other warranties express or implied including without limitation warranties of merchantability and fitness for a particular purpose This constitutes Atkinson Electronics Inc s sole warranty and obligation with regard to our products as well as the Customer s sole remedy Atkinson Electronics Inc expressly disclaims all liability and responsibility for any special indirect or consequential damages or any further loss of any kind whatsoever resulting from the use of our product The Customer s sole and exclusive remedy and the limit of Atkinson Electronics Inc s liability for any loss whatsoever shall not exceed the purchase price paid by the Customer for the product to which a claim is made Countries or States that do not allow limitations of incidental or consequential damages or on how long an implied warranty lasts the a
14. ect the PV wire and PVCM20D s yellow wire together using a wire nut or butt splice not provided Next connect the Battery and PVCM20D s red wires together using a wire nut or butt splice not provided Now at the battery box measure your battery voltage and note the voltage for the next step Next connect the black wire to the negative of the Battery Next connect the red wire to the positive of the battery The PVCM20D will power up orange LED will light then will blink or switch to either yellow or green depending on the battery voltage Orange blinks below 11 7V yellow between 11 7V to 13 2V green above 13 2VDC Next remove the box es from the PV panel s If panel s are in the sun light the PVCM20D will sense the PV voltage 16 V and turn on the charge relay charging the storage battery s As the Battery voltage comes up the yellow LED will switch to green LED 13 2V When the Battery voltage reaches 14 2V the PVCM20D will stop charging the Battery until it is ready to accept a charge again by either the battery falling below 12 7V 70 F or an ample load is applied to drop the battery voltage See PVCM20D specifications for temperature reset voltages for charging on off points Replace the box es over the PV panel while the PVCM20D is charging and watch for the red charge LED and relay to turn off Note depending where you are in the charge cycle it could be 4 minutes The Charge controller
15. gital voltmeter Adjust the PVDM4 LC s battery voltage reading to match by adjusting the P1 potentiometer less than 1 4 turn next to the RJ 45 jack on the back of the PVDM4 LC module See diagram to the right Unplug the network cable on both ends Determine the mounting method to be used surface cutout or single gang electrical box For surface cutout mounting place the template found on page 16 of this manual over the desired mounting location and mark through the template the two mounting screw locations Drill two pilot holes into the cabinet or mounting surface at the marked locations Use a power drill to drive screws into the mounting surface before mounting the display module Back out the screws cut out the template leaving the mounting screw tabs and attach the template with the screws to the mounting surface Draw around the template on the mounting surface marking through the template around the mounting screw tabs Carefully cut out the marked area using a saber saw or router leaving the mounting screw tabs Plug the network cable into the RJ 45 jack after pulling it through the cutout hole Insert the screws through the front of the module and into the holes and tighten by hand with a screwdriver USING A POWER DRILL TO DRIVE INTHE SCREWS THROUGH THE PVDM4 LC MODULE WILL VOID THE WARRANTY BY DAMAGING THE PVDM4 LC MODULE For single gang electrical box mounting mount the box securely and install conduit at least 3 4
16. gnals to the PYVDM4 LC through a T568A or T568B standard computer network patch cable which plugs into the RJ 45 jack on the back of the PVDM4 LC If the wrong configuration network cable such as the crossover type is used then the error LED on the back of the PVDM4 LC will light indicating that the proper cable needs to be plugged in for the display to work properly The PVDM4 LC s normal display indication is battery voltage and its associated LED The select button allows the user to turn on the displays backlight advance to the next display setting reset the solar and battery amp hour accumulators lock display or current setting or activate scroll mode see User Instructions The PVDM4 LC will automatically switch back to the battery voltage display setting after 4 minutes unless the display setting lock is activated The backlight will come on for 15 seconds any time the select button is pushed and will stay on continuously in scroll mode If a low battery voltage condition occurs the display will automatically switch back to the battery voltage setting if not already there and blink the display reading and Battery voltage LED If the user accesses other display settings while in this condition they will be displayed for 5 seconds then switch back to battery voltage setting until the low battery voltage problem is corrected Any accumulated values may be meaningless if the battery voltage remains below 11V as this is the minimum
17. ion Instructions for PYVCM20D 20 eee 5 Hookup Diagram for PVCM20D 0 000 eee 6 Installation Tips for PVCM20D cee 6 Installation Instructions for PYVDM4 LC 20000 0 eee 7 Battery Adjust Pot and Jack Locations 0 5 8 Installation Tips for PVDM4 LC cee 8 Hookup Diagram for PVDM4 LC 0 0 0 ee 9 User Instructions 2 4 hoceeeeeeeee eed se eedeeedeneneneneee 10 Trouble Shooting Tips 2 0000 c eee eee eee 11 Cleaning Tips 000 cee eee 12 Specifications PVCM20D 2 ee ne 13 Specifications PVDM4 LC 0 ee 14 Limited Warrant s2cdeccceeeeeeedoaods dndadndadadadndadend 15 Template for PVDM4 LC 0 0 0 es 16 Rev 12 03 FEATURES DIAGRAM PVDM4 LC e O S O O O Face Plate Face Plate Display ENE 3 Digit Processor EE LIE Backlit LCD X Battery Voltage X Solar Charge Amps Mode Select Button XX Solar Amp Hours Select ea bt X Battery Percent f ali Selection RJ 45 Indicators Battery Voltage Adjust P1 pot Cable Error Indicator erg o e O O O ct CABLE ERROR LED PVCM20D Mounting hole PVCM20D Yel wire PV panel Red wire Battery INTERNAL 0 005 OHM 100MV SHUNT Bik wire Battery Opt Ext load shunt input RJ 45 Jack
18. sPiay Mopue reset the display value The display starts flashing after 3 seconds the reading goes to zero after 6 seconds and the display stops flashing 2 Releasing the button while the display is flashing cancels the reset The display will stop flashing and retain its current value after several seconds 3 Note There is no display lock for the accumulation displays They will revert to battery voltage after approximately 4 minutes 4 Low battery voltage will cancel any user selections The user can advance to any reading but it will automatically return to the flashing low battery voltage display after 5 seconds 9 10 Problem Solution Problem Solution Problem Solution Problem Solution Problem Solution TROUBLE SHOOTING TIPS Module doesn t click on and there is sunlight on the PV panels Verify that the battery voltage is less than 12 75V or 25 5V on a 24V DC system and that the open PV voltage is greater than 16V or 32V If both conditions are met wait for 4 minute delay period Module clicks every several minutes This is the normal operating sequence Module charges for a few seconds then shuts off for 4 minutes or longer The batteries are fully charged and the charge current was at maximum output It may also mean that the batteries have a poor connection or a bad cell with high internal resistance Module switches on for 1 or 2 minutes and then is off for a much longer period of time
19. z Atkinson Electronics Inc Charge Controller Display Kit PART NO PVDM4LC PVCM20D Operating and Installation Instructions irtee Yataz Sets MuAh Beker arp Hoers Byin S anren he amp 2 Features PVDM4 LC Light switch sized module that can be surface mounted via cutout or electrical box mounted Displays 4 battery functions Battery voltage Solar charge current Accumulated solar amp hours percent battery charge remaining Back lit LCD for reading in dim locations g PVCM20D In line charge controller with temperature compensation may mount in DC breaker panel or in battery box LED indication of solar charge and battery level status Internal current shunt will handle up to 20 Amps 28V DC from PV panels Selectable operation sealed flooded batteries Pulse action reduces battery sulfation A A RP e a Both Units ee Fully automatic operation on 12V or 24V DC systems Micro controller for digital accuracy and reliability Connect via RJ 45 jacks and Cat 5 network patch cable e e Ka NOTE Read and follow these instructions before using this product TABLE OF CONTENTS Features Diagram 000 ccc eee 1 Descnpion serere ia tee tg sped ges ce tag S 2 Kit O30 a 0 Fo ee aa se ore eo ar ee eee er ee ee oe 3 Description of Operation PVCM20D 0 000 3 Description of Operation PVDM4 LC 1 0 0 ee 4 Installat
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