SOLAR CHARGE CONTROLLERS
Contents
1. Deep discharge warning SOC lt 40 11 7V 23 4V Load switch off SOC lt 30 TAY 22 2V Shift in SOC gt 50 12 5V 25 0V Boost charging 14 4V 28 8V SOC lt 40 11 7V 23 4V Equalization charging 14 7V 29 4V SOC lt 70 12 4V 24 8V End of charge voltage float SOC gt 70 13 9V 27 8V Specifications are subjected to change without prior notice 7 CAUTION a Y 5 ALWAYS PLACE THE SOLAR CHARGE CONTROLLER IN AN ENVIRONMENT WHICHIS Se D E A WELL VENTILATED B NOT EXPOSED TO DIRECT SUNLIGHT OR HEAT 1 SOURCE C OUT OF REACH FROM CHILDREN Se D AWAY FROM WATER MOISTURE OIL OR GREASE E AWAY FROM ANY FLAMMABLE SUBSTANCE F SECURE NO RISK OF FALLING2. Cc paco gt SOLAR CHARGE CONTROLLERS SCF 0606 SCF 0808 SCF 1010 SCF 1515 ST paco SOLAR SCF 1010 SOLAR CHARGE CONTROLLER 12 24V 10A EEC Instruction Manual Please read user manual carefully before use C Instructions and description of controllers with overcharge and over discharge protection gassing regulation and temperature compensation In photovoltaic solar systems lead batteries are often used for storing solar current These batteries have to be protected against overcharging and over discharging The Solar charge controller SCF0606 SCF0808 SCF 1010 SCF1515 fulfill both tasks in one device They can be used for 12 and 24 V systems 1 Overcharge Protection When the battery exceeds the final charge voltage it starts to gas As this process is temperature dependent the final charge voltage is adapted automatically to the ambient temperature by built in sensor Strong gassing leads an electrolyte loss and finally the destruction of the battery The battery is however not charged completely when the final charge voltage is reached so that the current flow should not be interrupted The charge controller therefore reduces the current flow into the battery just as much as that the final charge voltage is not exceeded This procedure is called IU charging whichis considered to be especially fast and gentle The reduction of the current flow is effected by very quick tempor
3. position lights 3 Sparking can develop especially in direct current systems during installation and operation Do not install PV components in rooms where easy flammable gases mixtures can develop e g by gas bottles lacquers solvents Consult your dealer when in doubt 12 Adjustment of nominal voltage Automatic adjustment takes effect to the system voltage when the regulator is installed When you pay attention to his instructions your solar system will give you many years of pleasure The battery reaches a life of ten years or longer As the solar module and the charge controller have a considerably higher life age only the battery has to be exchanged Adefective battery can be recognized although the above mentioned charging has already taken place the over discharge protection would switch off even the user has already started using it 13 Technical data Max module input short circuit current at 25 C 6A 8A 10A 15A Max load output current at 25 C 6A 8A 10A 15A System voltage 12V 24V Max voltage of Solar collector 47V DC Enclosure protection class IP 32 Terminal size fine single wire 2 5mm 4mm Temperature compensation 4 mV K Zelle Thermal Protection 85 C Ambient temperature allowed 25 C 50 C Weight 165g Dimensions x wxh 130 x 88 x 39 mm Specifications are subjected to change without prior notice 8
4. ary short circuiting pulse width modulation of the solar generator 2 Gassing Regulation The final charge voltage is changed in dependence with the discharge level When a lead battery is operated without gas development for a longer time there is the danger of a harmful acid layering This acid layering can be avoided by limited controlled gassing this function is fulfilled by the gassing regulation The gassing regulation switches off the overcharge protection until the so called final gassing voltage is reached Further more the gassing regulation increases the final charge voltage during high cyclization By this temperature dependent function the battery capacity is better used 3 Over discharge protection The batteries have to be protected from over discharge as it would be destroyed otherwise Therefore the charge controller protects the battery from over discharge by disconnecting the loads when the voltage falls below the final charge voltage After the battery has been recharged by the solar generator and the reconnection voltage is reached the users are again reconnected 1 4 Description 4 1 Functions The solar charge controller monitors the state of charge of the battery bank controls the charging process controls the connection disconnection of loads This optimizes battery use and significantly extends its service life 4 2 Construction The solar charge controller consists of the follo
5. ect the M cable gt Remove the covering from the solar module v v v vy 3rd step Connect loads Notes Connect loads that must not be deactivated by the solar charge controller deep discharge protection e g emergency lights or radio connection directly to the battery Loads with a higher current consumption than the device output can be directly connected to the battery However the solar charge controller deep discharge protection will no longer intervene Loads connected in this manner must also be separately fused Label the load connection cables as a plus cable L and a minus cable L Lay the load connection cables in parallel between the solar charge controller and the load First connect the L load cable to the correct pole of the right pair of terminals on the solar charge controller with the lamp symbol then connect the L cable Replace the load fuse or switch on the load v v vy 4th step Final work gt Fasten all cables with strain relief in the direct vicinity of the solar charge controller clearance of approx 10cm 6 7 Grounding The components in stand alone systems do not have to be grounded this is not standard practice or may be prohibited by national regulations Consult the technical manual for more information 8 Lightning protection In systems subjected to an increased risk of overvoltage damage we recommend installing additional lightning protection overvoltage pr
6. ed below O O Solar Load rey o Q Connection sequence 1 battery 2 solar module 3 loads SOLAR SCF 1010 l SOLARCHARGE CONTROLLER 12 24V 10A l o ZARRAK 4 o K t l l l 2 1 3 Label the battery connection cables as a plus cable A anda minus cable A Lay the battery cables in parallel between the solar charge controller and the battery Connect the battery connection cable with the correct polarity to the middle pair of terminals on the solar charge controller with the battery symbol If necessary remove any external fuse Connect battery connection cable A to the positive pole of the battery Connect battery connection cable A to the negative pole of the battery Replace the external fuse in the battery connection cable If the polarity connection is correct the battery LED illuminates 1st step Connect the battery vvvvv v v Vv N nd step Connect the solar module Ensure that the solar module is protected from incident light Ensure that the solar module does not exceed the maximum permissible input current Label the solar module connection cables as a plus cable M and a minus cable M Lay both solar module connection cables in parallel between the solar module and the solar charge controller First connect the M solar module connection cable to the correct pole of the left pair of terminals on the solar charge controller with the solar modules symbol then conn
7. lluminates red load discharge state Load LED flashes red load short or overload High Temperature battery and load over temperature mode led flashes red Do not forget that the connected users do not use more current than admissible for your regulator 5 Advice for Installation The controller has to be installed possibly near the battery and must not be exposed to direct weather conditions The controller is to be operated in well ventilated rooms The connection terminals have to point downwards when it is installed In order to activate the protective functions the controller has to be connected with solar generator battery and user All system components i e solar generator battery users and controller have to be coordinated concerning voltage This is to be checked before installation Pay attention to the correct nominal voltage Ask your dealer when you are in doubt 6 Connection WARNING Danger of explosion from sparking Danger of electric shock Solar modules generate electricity under incident light The full voltage is present even when the incident light levels are low gt Protect the solar modules from incident light during installation e g cover them gt Never touch un insulated cable ends gt Use only insulated tools gt Ensure that all loads to be connected are switched off If necessary remove the fuse gt Connections must always be made in the sequence describ
8. otection to reduce dropouts Consult the technical manual for more detailed information 9 Operation The solar charge controller immediately begins operation once the battery is connected or the external fuse is inserted The displays of the solar charge controller show the current operating mode User intervention or user settings are not required 10 Protection functions The following integrated protection functions of the solar charge controller ensure that the battery is handled as gently as possible The following protection functions are part of the basic function of the controller Overcharge protection Deep discharge protection Battery low voltage protection Solar module polarity reverse protection The following installation faults do not destroy the controller After correcting the fault the device will continue to operate correctly Protection from solar module short circuit incorrect solar module polarity Protection from short circuits at the load output or excessive load current Protection from battery connection with incorrect polarity Protection from solar module over current Protection from device over temperature Protection from overvoltage at the load output Protection from the wrong connection sequence 11 Attention 1 Avoid short circuit danger of fire 2 Users which may not switched off must be installed near the battery and protected by a fuse e g
9. wing components 1 Solar LED 2 Battery capacity LED 3 Load LED 4 Terminal block for connecting the solar module 5 Terminal block for connecting the battery 6 Terminal block for connecting the loads 7 4 3mm mounting hole SOLAR SCF 1010 l SOLAR CHARGE CONTROLLER 12 24V 10A ol ee e 4 3 LED displays Solar LED Battery LED Load LED Normal mode q Charging mode eo ao 2 Load mode q Solar reverse short mode ie l Load short overload mode a pAg Solar over circuit mode g Battery reverse mode Battery type wrong yx RED Temperature high mode RED Ag Note a ILLUMINATE X FLASH EXTINGUISH 1 The LEDs illuminate in different colors according to battery capacity 4 4LED displays illuminates green battery charging by solar Solar LED flashes green solar module polarity reverse or short circuit extinguishes green over current protection illuminat d deep discharge deactivation state of illuminates re charge lt 30 illuminates yellow battery weak state of charge gt 40 to 70 i i 9 9 Battery LED illuminates green battery full state of charge gt 80 to100 illuminates red Load discharge battery capacity lt 30 flashes red wrong battery type connection extinguishes red battery polarity reverse i
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