SLAC-H Solar charge controller User Manual
Contents
1. If the battery voltage is not within the normal operation range at start up a status display according to the section ERROR DESCRIPTION occurs Battery Type Factory Settings of the controller is to operate with lead acid batteries with liquid electrolyte If you intend to use a lead acid battery with solid electrolyte Gel type or AGM type you can adjust the charging characteristics see Settings The equalization charge mode is canceled then In case of any doubts or questions please consult your dealer Display Functions The controller is equipped with 5 LEDs and an acoustic warning signal State of charge LED Load status LED Solar array supplies electricity Green LED on Solar array does not supply electricity Green LED off State of charge display A change of the state of charge SOC to a lower status is indicated by an acoustic signal lt 10 Very low 80 100 High 10 30 Low 30 80 Medium Top Yellow Middle Yellow Bottom Yellow Bottom Yellow LED on LED on LED on LED flash The loads are disconnected approx 1 minute after a series of 25 tones Load status display In case of deep discharge or overload short circuit of load the load output is switched off This is indicated by followings Ball Untied a amp i BR gy Overload or over temperature or short circuit Red LED flash BX Normal2. operation Red LED off LVD protection Red LED on Low Voltage Disconnect Function To protect the battery from being deeply discharged the controller has following 2 protection modes 1 State of charge controlled SOC Disconnect at 11 4V 22 8V at rated load current up to 11 9V 23 8 V At no load current Factory default mode for better safe battery protection 2 The battery voltage controlled LVD Disconnect at 11 0V 22 0 V fixed voltage settings Setting After opened the case of controller there are three jumpers can be seen on circuit broad GEL LVD BUZ The factory setting is Jumper OFF Jumper ON Jumper OFF Over Cool down the controller Load will temperature be switched ener on automatically Check if other With these jumpers the following settings can be configured Roe sources overcharge Battery voltage all too hiph the battery If not Jumper GEL LVD BUZ F hs controller is ZW damaged Function of keue amp X g Function Battery type low voltage alaras endl flashing Battery wire or disconnect the fuse is Check the battery Jumper State of charge damaged the fuse and the OFF P looded battery controlled Alarmi ol battery has high wire Remove faults Jumper GEL VRLA Voltage eee Alarm on ON battery controlled Battery Factory Flooded batter State of charge Aon Battery power is eao setting y controlled
3. SLAC H Solar charge controller OPHE TECH Qingdao Universe Power New Energy Technology Co Ltd Us e r M a n u al Thank you very much for choosing our product This product manual provides important information and advices for product installation use and troubleshooting Before using this product please read carefully and thoroughly Our product has a number of safety and display functions Clear readable LED display of the state of charge Acoustic signal when the state of charge changes Low voltage disconnect regulated by state of charge or voltage The controller adjusts itself automatically to 12V or 24V system voltage Max 16 mm connector binding posts Max safety current can reach 91A The charging characteristics include automatic adoption to the ambient temperature Complete electronic protection Wiring and grounding The controller is intended for indoor use only or installed in distribution box Protect it from direct sunlight and rain If installed in distribution box should avoid the position of condensed water drip The controller measures the ambient temperature to adapt the charging voltage To ensure the start up of controller battery voltage should exceed 10V 1f the system voltage is 12V and battery voltage should exceed 20V 1f the system voltage is 24V If the battery voltage is not within the normal operation range at start up a status display according to the section ERROR DESCRIPTION occurs Connect
4. low after a short ee Replace the battery becomes very low Safety features SLAC H safety features can protect the controller to avoid damage to Battery is not alae Check the sol products due to incorrect installation or use being charged ere Aes oe aie aie reverse polarity panel and wire Battery green LED Remove faults PV terminals Load terminals daytime f terminals off Reverse Pe Protected buzzer AE EDS Battery is 24V system i Protected 1 Battery wrong off Buzzer polarity alarm warning connected with Change polarity voltage polarity alarm parias reverse polarity Short PEE Switches off o Protected 2 with fuse on i circuit immediately 2 battery 7 SLAC H Technical Characteristics Over Controller will Poteced Switches off with current limit the current a delay 4 Model SLAC H 10A 20A 30A 40A Revere Rated system voltage 12V 24V auto recognition Protected No effect No effect charge Rated battery charging current 10A 20A 30A 40A l 14 5V 29V 25 C 2 h Over SWatehes gik Boost charge Activation Max 55V Max 55V above voltage 15 5V 310 V battery voltage lt 12 3 24 6 V 14 8V 29 6 25 C 2h Under ae Activation volare Switches off load Switches off Equalization battery voltage lt 12 1 24 2 V at least one time every 30 days When over temperature occurs the controller will limit Float charge 13 8V 27 6V 25 C Over the charging cur
5. rent If the temperature of controller Depis horre proicction 11 4 11 9V 22 8 23 8 V by SOC temperature reaches a high level the load will automatically be l i i l A cut off voltage 11 0 22 0 V by voltage A Reconnect level 12 8V 25 6V 1 Controller can protect itself but load might be damaged Under voltage protection 10 8V 21 6V 2 Short circuit current gt 4x 6x nominal current lt 300 A Over voltage protection 15 5V 31 0 V 3 We strongly recommend that add a fuse between battery and o Max Charge current 10A 20A 30A 40A controller The battery may be permanently damaged when short circuit Max oad current 10A 20A 30A 40A o Scie 4mA 5mA 12V 4 gt 200 rated current Load will be switched off with 3s delay elf consumption SmA 6mA 24V Warning Two or more error conditions at the same time may cause Max Panel Battery voltage 55V damage to the controller Always remove the present fault condition Temperature compensation 25 mV K 12 V system before next operation Charge voltage 50 mV K 24 V system Grounding Positive grounding OURSO Battery type Lead acid GEL AGM flooded Error Indication Cause Corrective action Dimensions WxHxD 140mm 72mm 40mm Installation dimensions 130mm 66mm Battery is low Load will Pogona e Max wire size Max 16mm pa 4 Red LED on as soon as battery is Ambient temperature 40 C 60 C recharged IP grade P22 Switch off all loads Altitude lt 4000m Over current or Remove all errors Ne
6. t weight 280g short circuit Controller will Eoad arenai Red LED switch on load Subject to change without notice supplied flashing automatically after Version 20140530 max minute Made in China www upnetech com
7. the controller by following steps to avoid installation faults 1 Connect the wire to the controller then to the battery 2 Connect the wire to the controller then to the photovoltaic modules 3 Connect the wire to the load then to the controller Follow the reverse procedure when uninstalling to avoid any damage All positive connections of SLAC H controller are common and therefore have the same electrical potential If any grounding is required always do this on the positive wire Special grounding terminal can be used for controller shell grounding If the controller is used in a vehicle which has the battery negative on the chassis loads connected to the controller must not have an electric connection to the car body Otherwise the Low Voltage Disconnect function and the electronic fuse function of the controller are short circuited REMARK Mind the recommendations of your battery manufacturer We strongly recommend connect a fuse directly to the battery to protect any short circuit at the battery wiring The fuse must correspond to 1 5 times the nominal current of the controller Starting up the controller Self Test As soon as the controller is supplied with power from the battery it starts a self test routine Then the display changes to normal operation The controller adjusts itself automatically to 12V or 24V system As soon as the voltage at the time of start up exceeds 20V the controller assumes a 24V system
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