SLAC-I Solar charge controller User Manual
Contents
1. Night Threshold 4 9V 9 8V Solar Voltage factory setting Day Night Threshold 5 5V 11 0V Solar Voltage Day Night Threshold 6 0V 12 1V Solar Voltage Day Night Threshold 6 6V 13 2V Solar Voltage Day Night Threshold i Day Night Threshold 7 2V 14 3V Solar Voltage Day Night Threshold 7 7V 15 4V_ Solar Voltage Buzzer on factory setting Buzzer off USB Interface Excess Energy amp Current date USB Interface Excess Energy amp Datalogger USB Interface Bidirectional No Excess Energy factory setting Keep individual settings aee Reset to factory preset2. Yy pF i A Nightlight Fuction Morning 3HRS y I Nightlight Fuction Morning 4HRS y Ai hF A Nightlight Fuction Morning SHRS y Mail Menu 6 Day Night Threshold Mail Menu 7 Buzzer Mail Menu 8 Interface Excess Mail Menu 9 Keep Settings or Reset D D lt A A A A T gt lt lt lt A gt k Tt pi pipi gt k lt sk gt t gt pe if i Red pd odd pi pi pd pd gt l 0 l lt D 0 blll lt Ht lt ll PES l lt D Up pd p lt D Uk pR p Ie MEM EI j lt I I lt lt lt lt A ee A Nightlight Function Morning From 2HRS After Mid of Night Nightlight Function Morning From 3HRS After Mid of Night Nightlight Function Morning From 4HRS After Mid of Night Nightlight Function Morning From 5HRS After Mid of Night Nightlight Function Morning From 6HRS After Mid of Night Day Night Threshold 1 0V 2 0V Solar Voltage Day Night Threshold 1 63V 3 1V Solar Voltage Day Night Threshold 2 1V 4 2V Solar Voltage Day Night Threshold 2 7V 5 4V_ Solar Voltage Day Night Threshold 3 2V 6 5V Solar Voltage Day Night Threshold 3 6V 7 8V Solar Voltage 4 4V 8 08V Solar Voltage Day
3. back page Model Disconnect at 11 4V 22 8V at nominal load current up to 11 9V 23 8V at no load current Normal operation mode for good battery protection Mode2 Disconnect at 11 0V 22 0V at nominal load current up to 11 75V 23 5V at no load current Mode with lower disconnection point Battery is cycled deeper this can shorten battery lifetime Mode 3 Disconnect at 11 0V 22 0V to 12 2V 24 4V depending on load current and previous charging cycles This adaptive mode leads to longer lifetime of the battery because it allows recovery of the battery by full recharge Maximum battery life Mode4 Disconnect at 11 5V 23V fixed setting Appropriate if bypass loads draw current directly from battery Mode5 Disconnect at 11 0V 22 0V fixed setting Appropriate if bypass loads draw current directly form battery Mode with lower disconnection point Battery is cycled deeper this can shorten battery lifetime Safety Features PV terminals Battery Load terminals terminals Reverse 24V system no Proteetg l buzzer alarm Protected 1 polarity 12V system yes warning Short Poe ea Switches off ae Protected 2 with fuse on medad battery y Ouse Controller will Switches off sarah reduce the Protected with current a delay 4 phic Protected No effect No effect charge Gee Switches off oli Max 55V Max 55V above E 15 5 31 0 V Urde No effect SVETO Switches off voltage load When over te
4. least one time every 30 days Float charge Deep discharge protec tion cut off voltage Reconnect level 13 8V 27 6V 25 C 1 12 V 22 24 V depending on setting 12 8V 25 6V Overvoltage protection 15 5V 31 0 V Max charge current 20A 30A 40A 50A 60A 20A 30A 40A 50A 60A Self consumption voltage Temperature compensation 4mA 55V 4 5mV cell k Grounding Battery type Positive grounding Lead acid GEL AGM flooded Dimensions WxHxD 140mm 96mm 40mm Max wire size 16 mm Ambient temperature 40 C 60 C IP grade P22 Net weight 356g Subject to change without notice Version 20140530 Made in China www upnetech com mk UPNE TELH SLAC I Solar charge controller programming manual au M States of Charge Long push gt 2 Second Short push lt 1 Second i ERE J gt Programming Mail menu Display Menu Menu Flash gt CEET S har Mail Menu 1 a A lt aoa hel lt _ _ N lt Liquid Electrolyte Battery Type factory setting Battey Type A oy te GEL VRLA Battery Type i ED Y DAF AF ea Low Voltage Disconnect Current Mai Menu 2 i pac t A lt AN Compensated 11 4V 11 9V Low Voltage Disconnect y AF Low Voltage Disconnect Current y VAN Compensated 11 0V 11 75V i AF Low Voltage Disconnect Cu
5. SLAC I Solar charge controller User Manual Qingdao Universe Power New Energy Technology Co Ltd 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 SLAC I was developed by the latest solar technology standard this product has many outstanding feature Multi functional LCD display Programmable battery low voltage disconnect with new ALVD Adaptive low disconnect Selectable battery type Lead acid battery with liquid electrolyte lead acid battery with solid electrolyte Gel type or AGM type We can adjust the controller by programming according to battery type Sophisticated programmable nightlight function Can be programmed to two lighting periods during the night The charging characteristics include automatic adaption to the ambient temperature Max 16 mm connector binding posts Max safety current can reach 91A Built in one year date logger The controller has a built in voltage drop compensation which automatically compensates battery wire voltage drops of up to 250mV Complete electronic protection such as over temperature over charge over discharge over current short circuit reverse polarity Wiring and grounding The controller is intended for indoor use only or installed in distribution box Protect it from direct sunlight and rai
6. ff as soon as the battery has reached the Low Voltage Disconnect threshold the Low Voltage Disconnect had priority above the nightlight function Mid of night is detected automatically as the middle between dusk and dawn no real time setting is required It may take some days until the controller has learnt midnight This method can cause some inaccuracy but avoids any clock readjustment The controller s Mid of night can be different from the real time midnight depending on your location The controller recognizes day and night based on the solar array open circuit voltage In Programming Menu 6 this day night threshold can be modified according to the requirements of the local conditions and the solar array used The two voltage levels before after the slash are valid for 12V and 24V systems respectively To find the right value we recommend measuring the solar array open circuit voltage at the time when twilight has reached the level when the controller should switch on off This value can then be set according the description in the programming section Sn l _ NT 2 La N Curve of open circuit voltage solar array Nominal 12V 24V E Threshold setting range 77 1154 _ Switching point day gt night Switching point night gt d 4 9 9 8V etn default 1 0 20V Error Description Corrective action Load will reconnect as soon as battery is recharged Switch off al
7. l Battery is Over current Q I Short loads Remove A od short circuit circuit of flashes loads Controller will switch on load automatically after max 1 minute Controller is thermally Cool down the overloaded controller Load and has will be switched disconnected on automatically the loads Check 1f other sources overcharge the battery If not controller is damaged Battery voltage too high Loads are not gt 15 5 31 0 supplied V Battery wires or battery fuse dam aged battery has high resistance Check battery wires fuses and battery Battery power is low after a short Replace the battery Battery has low capacity Battery is connected with reverse polarity Battery wrong polarity Permanent oud Change polarity the symbols under Settings menu are flashing When you exit the configuration menu the controller displays the state of charge available energy of the battery and the status of the load Mind that once you have entered the configuration menu you can exit it at the last item only We therefore recommend that you first note down your required settings and then do the con figuration in one go All configuration settings are stored in a non volatile memory and remain stored even 1f the controller was disconnected from the battery If you want to reset the controller to the factory to the factory set
8. mperature occurs the controller Over will reduce the charging current If the temperature temperature of controller reaches a high level the load will automatically be switched off 1 Controller can protect itself but load might be damaged 2 Short circuit current gt 4x 6x nominal current lt 400 A 3 We strongly recommend that add a fuse between battery and controller The battery may be permanent damaged when short circuit occurs 4 gt 200 rated current Load will be switched off with 3s delay Warning Two or more error conditions at the same time may cause damage to the controller Always remove the present fault condition before next operation Nightlight Function The controller comes with a sophisticated nightlight function It controls the load output at night and is widely programmable Two modes are available Dusk to Dawn and Evening Morning The mode can be selected in Programming Menu 3 l S KAS fs A iv Dusk to Dawn _ _ Dusk to Dawn Light off de Evening Timing Mid of nigh Morning Timing ma Light on Evening Light off Moming mode Number of hours ume to mid of night time afer midof night or If Evening Morning mode is selected Programming Menu 4 allows choosing the Evening timing behaviors and Programming Menu 5 allows choosing the Morning timing behaviors Mind that the load output is switched o
9. n 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 if the system voltage is 12V and battery voltage should exceed 20V if 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 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 Ss A i eRe C RAC e Starting up the controller Self Test As soon as controller is supplied with power either from the battery or solar array it starts a self test routine this is indicated first by ruining LCD bars for approx 0 5 seconds then every coded symbol will display for about a second 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 as the time of start up exceeds 20V the controller assumes a 24V system If the battery voltage is not within the normal operation range approx 12V to 15 5V or approx 24V
10. rrent ees VAN Compensated Adaptive 11 0V 12 2V y h Low Voltage Disconnect 11 5V a N Low Voltage Disconnect 11 0V y Mail Menu 3 wa Ped qoe PA lt q Nightlight Function Off factory setting Nightlight Function A a e Y A Nightlight Function Dusk to Dawn Ea Nightlight Function Evening Morning e Y gt _ AN PA lt Nightlight Fuction Evening Off fact tting Nightlight Fuction aaa ightlight Fuction Evening actory setting Evening Hours l FA Nightlight Fuction Evening 1HR a i I I y Nightlight Fuction Evening 1HRS AA m MN Nightlight Fuction Evening 3HRS y Nightlight Fuction Evening 4HRS y a A Nightlight Fuction Evening SHRS y LF Nightlight Fuction Evening To 4HRS A Before Mid Of Night i y LF Nightlight Fuction Evening To 3HRS _ AN Before Mid Of Night y S 1 4 Nightlight Fuction Evening To 2HRS VAN Before Mid Of Night 1 DAF Nightlight Fuction Evening To 1HRS Before Mid Of Night v y AL Nightlight Fuction Evening To Mid Of Night ZN Mail Menu 5 A KAF Nightlight Fuction A N PEE A N MN lt Nightlight Fuction Morning Off factory setting Morning Hours y anal A Nightlight Fuction Morning 1HR y Nightlight Fuction Morning 2HRS
11. tings choose Programming Menu 9 SLAC I Technical Characteristics Battery is not being charged during daytime Solar array faulty or wrong polarity Check Solar array and wiring Remove faulty No up moving bars Controller is thermally Overloaded or solar array exceeds nominal cur rent of controller Mount controller at a location with better ventilation or check solar array current Controller limits solar current flashes Programming your Solar Controller The button switch has three push modes 1 Short push Shorter than 1 seconds 2 Long push 2 to 8 seconds 3 Lock push 8 seconds or longer By pushing the button for 8 sec in normal operation mode the programming lock out is activated to prevent any accidental settings change Another 8 sec push releases the lock out With a long push you can enter the programming mode The programming menu structure is described in the back page A black wide arrow means a long push 2s 8s a gray narrow ar row means a short push lt Isec The dotted lines under Set ting mean you see the actual selection there During selection Model SLAC I 20A 30A 40A 50A 60A Rated System voltage 12V 24V auto recognition Rated System current 20A 30A 40A 50A 60A Boost charge 14 5V 29V 25 C 2 h Activation battery voltage lt 12 3 24 6 V Equalization 14 8V 29 6 25 C 2h Activation battery voltage lt 12 1 24 2 V at
12. to 31V as start up astatus 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 Meau1 The equalization charge is deactivated then In case of any doubts please consult your dealer Display Functions In normal operation mode the controller displays the state of charge available energy of battery Any change of the state of charge SOC to a lower status is additionally signaled acoustically System conditions are displayed as follows The percentage corresponds to the available energy until Low Voltage 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 In normal operation the loads can be switched on and off by pushing the button This is indicated in the display gt 80 60 80 35 60 SS E M 10 35 lt 10 load off 4 JA Pushing button within one second load will manually on or off l Load manually on Q Low Voltage Disconnect Function Load manually off The controller has 5 different modes to protect the battery from being deeply discharged The controller is preset to Mode 1 from the factory Use Programming Menu 2 to change the setting see
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