50Amp Solar Charge Controller
Contents
1. ae SUNADRCE PRO SERIES 50Amp Solar Charge Controller User s Manual Dear Customer Thank you for buying a Sunforce 50 Amp Pro Series Charge controller Please read the instructions carefully and thoroughly before using the product Your new 50 Amp Pro Series Charge Controller is a state of the art device which was developed according to the latest available o standards It comes with a number of outstanding features such as sMultifunctional LCD display Complete electronic protection sNegative Grounding This manual gives important recommendations for installing using and programming as well as remedies in case of problems with the controller Read it carefully and mind the safety and usage recommendations at the end of this manual Major Functions The charge controller protects the battery from being overcharged by the solar array The charging characteristics include several stages which includes automatic adoption to the ambient temperature The charge controller adjusts itself automatically to 12V or 24V system voltage The charge controller has a number of safety and display functions Recommendations for Use The regulator warms up during normal operation If there is insufficient ventilation e g in an installation cabinet the controller limits the solar charge current to prevent overheating The regulator does not need any maintenance or service Remove dust with a dry tissue Eit is impor2. gt 4i AWAM Connect the wires leading to the battery with correct polarity To avoid any voltage on the wires first connect the controller then the battery Mind the recommended wire length min 30 cm to max approx 100 cm and the wire size min 2 5 mm 14 Gauge min 4 mm 12 Gauge min 10 mm 8 Gauge Wrong polarity will cause a permanent warning sound REMARK The controller has a built in voltage drop compensation which automatically compensates battery wire voltage drops of up to 250mV REMARK Mind the recommendations of your battery manufacturer We strongly recommend connecting a fuse directly to the battery to protect any short circuit at the battery wiring The fuse must take the charge controller nominal current 50 Amp Pro Series Charge controller 50A Connect the wires leading to the solar array with correct polarity To avoid any voltage on the wires first connect the controller then the solar array Mind the recommended wire size min 2 5 mm 14 Gauge min 4 mm 12 Gauge min 10 mm 8 Gauge REMARK place positive and negative wire close to each other to minimize electromagnetic effects REMARK Solar panels provide voltage as soon as exposed to sun light Mind the solar panel manufacturer s recommendations in any case Fasten the strain relieves Close the terminal lid Now you have successfully connected your 50 Amp P
3. cted Acoustic Warning Reverse polarity voltage Yes not at 24V system Yes if only the battery is connected Acoustic Warning Short circuit Unrestricted Unrestricted CAUTION Battery must be protected by fuse Overcurrent Controller limits current No connection Unrestricted Reverse current Unrestricted Overvoltage Varistor 56V 2 3J Undervoltage Normal operation General Safety and Usage Recommendations Intended Use The charge regulator is intended for use in photovoltaic systems with 12V or 24V nominal voltage It shall be used with vented or sealed VRLA lead acid batteries only Safety Recommend ations Batteries store a large amount of energy Make certain to never short circuit a battery under any circumstances We recommend connecting a fuse slow acting type according to the nominal regulator current directly to the battery terminal m Batteries can produce flammable gases Avoid making sparks using fire or any naked flame Make sure that the battery room is ventilated Avoid touching or short circuiting wires or terminals Be aware that the voltages on specific terminals or wires can be up to double the battery voltage Use isolated tools stand on dry ground and keep your hands dry MKeep children away from batteries and the charge regulator mPlease observe the safety recommendations of the battery manufacturer If in doubt consult your
4. dealer or installer Liability Exclusion The manufacturer shall not be liable for damages especially on the battery caused by use other than as intended or as mentioned in this manual or if the recommendations of the battery manufacturer are neglected The manufacturer shall not be liable if there has been service or repair carried out by any unauthorised person unusual use wrong installation or bad system design Opening case voids warranty Technical Data Nominal voltage 12 24V automatic recognition Absorption voltage 14 4 28 8V 25 C 0 5 2h Equalization voltage 14 8 29 6V 25 C 2h Float voltage 13 7 27 4V 25 C Temperature compensation 4mV cell K Max solar panel current 50A according to model number 25 C Dimensions 89 x 90 x 38mm w xh x d Weight 186gr Max wire size 16mm AWG 6 Self consumption 6mA Ambient temperature range 25 to 50 C Case protection IP22 Programming Menu Sate of Charge Main Menu Display Menu Programming Menu flas hing Load on off Short push lt Second Long push gt Second Subject to change without notice Settin Factory Sour h Battery type liquid electr olyte Battery type GEL YRA xal O Service interface do not change setti ngs Service interface do not change settings Service interface do not change settings Service interface do not change setting
5. ff You can turn ON turn OFF the buzzer in this menu Menu 9 Individual factory settings You can save your current menu setting or reset to default factory setting in this menu When you exit programming menu the controller displays the state of charge available energy of the battery MMind that once you have entered the programming menu you can exit it at the last item only MWe therefore recommend that you first note down your required settings in the check boxes beside the menu structure and then do the programming in one go This makes programming easier and avoids errors EALL programming settings are stored in a non volatile memory and remain stored even if the controller was disconnected from the battery Error Description Error condition Display Reason Remedy ray ier No up moving Solar array faulty Check Solar during daytime bars or wrong polarity array and wiring Battery wrong Permanent Battery ia Remove reverse connected with polarity sound polarity reverse polarity Controller limits aed aim ay exceces Check solar nominal current of solar current array current Flashes controller Safety Features The controller is protected against wrong installation or use At the solar terminal At the battery terminal Battery connected with correct polarity Unrestricted Normal operation Battery connected with wrong polarity Unrestricted Unrestri
6. ic Signals LCD Displays In normal operation mode the controller displays the state of charge available energy of the battery Any change of the state of charge SOC to a lower status is additionally signalled acoustically Disconnect in relation to a fully charged battery As long as the solar array supplies enough voltage to charge the battery this is indicated by up moving bars alternately to the state of charge display Acoustics Signals The controller has an acoustic signal which indicates the change of the state of charge This function can be deactivated in Programming Menu 7 Programming Lock out By pushing the programming button for 8s in normal operation mode the programming lock out is activated to prevent any accidental settings change Another 8s push releases the lock out Optional Functions External Temperature Sensor With the optional temperature sensor the 50 Amp Pro Series Charge Controller can measure the battery temperature and adjust the charging voltage accordingly to extend the battery life span Programming your50 Amp Pro Series Charge controller You enter the programming mode with a long push 2s 8s on the button The programming menu structure is described as below Menu 1 Battery type In this menu you can select the proper battery type liquid electrolyte or GEL VRLA according to your PV system to get better charge of your battery The default battery type is GEL Menu 7 Buzzer on o
7. ro Series Charge controller Grounding the Solar System Be aware that the 50 Amp Pro Series Charge Controller is negative grounding and the negative terminals of the 50 Amp Pro Series Charge Controller are connected internally and therefore have the same electrical potential If any grounding is required always do this on the negative wires Starting up the Controller Self Test As soon as the controller is supplied with power either from the battery or the solar array it starts a self test routine This is indicated first by running LCD bars for approx 0 5s and then the firmware version is displayed in coded symbols for about another second this is for service purposes only Then the display changes to normal operation System Voltage The controller adjusts itself automatically to 12V or 24V system voltage As soon as the voltage at the time of start up exceeds 20 0V the controller implies a 24V system If the battery voltage is not within the normal operation range approx 12 to 15 5V or approx 24 to 31V at start up a status display according to the section ERROR DESCRIPTION occurs Battery Type The controller is preset to operate with lead acid batteries with liquid electrolyte If you intend to use a VRLA battery GEL type you can adjust the controller in Programming Menu 1 see back page The equalization charge is activated then In case of any doubts consult your dealer Display Functions and Acoust
8. s Service interface do not change settings Buzzer ON E E Buzzer OFF 6g L Service interface do not change settings Date of your 4g Keep individual settings own settings Reset to factory prese amp ISQ9001 2000 Version Version Sunforce 50 Amp Pro Series Charge controller Made in one of the following countries China Germany Limited Warranty RoHS C This product is covered by a 2 year limited warranty Sunforce Products Inc warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of two 2 years from date of purchase To obtain warranty service please contact Sunforce Products for further instruction at 1 888 478 6435 or email info sunforceproducts com Proof of purchase including date and an explanation of complaint is required for warranty service For more information or technical support 1 888 478 6435 www sunforceproducts com info sunforceproducts com MADE IN CHINA
9. tant that the battery gets fully charged frequently at least monthly Otherwise the battery will be permanently damaged WA battery can only be fully charged if not too much energy is drawn during charging Keep that in mind Mounting and Connecting the Charge Controller The controller is intended for indoor use only Protect it from direct sunlight and place it in a dry environment Never install it in humid rooms like bathrooms The controller measures the ambient temperature to adopt the charging voltage therefore it must be installed in the same room as the battery The controller warms up during operation It shall be installed on a non flammable surface only REMARK Connect the controller by following the steps described below to avoid installation faults Open the terminal lid Remove the screws from the strain relief and take off the strain relief bridges Mount the controller to the wall with screws that fit to the wall material Use screws with 4 to 5mm shaft and max 9mm head diameter no counter sidem sunk gt 4i Mind that the screws have to carry also 4 the force applied by the wiring Mind also the minimum required distance to floor and ceiling this is necessary for ventilation reasons A mounting plate is available as an accessory ITEM 60124 This allows mounting the controller on a standard 35mm plate Use the screws supplied with the mounting plate to fix it to the tug controller
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