User Manual (English)
Contents
1. Solar Charge Controller with Programmable Street Light Function User Manual English Solar Charge Controller SM05 10 15 20 LF User Manual Solar Charge Controller with Programmable Street Light Function Thank you for selecting this Smart solar charge controller product Although Smart is very simple to use please take the time to read this operators manual and become familiar with the controller This will help you to make full use of many advantages the Smart can provide your solar lighting system It comes with a number of outstanding features such as Case protection IP67 protection Dimming function 30 70 of rated power adjustable Digital Unit to configure Smart charge controller via UART External temperature probe measuring the ambient temperature is more accurate 6 modes for solar street light system Suitable for LiFePO4 Rechargeable Battery 24V fixed system voltage Standard UART interface Installation The following diagrams provide an overview of the connections and the proper order Caution 1 To avoid any voltage on the wires first connect the wire to the controller then to the battery panel or load Recommended minimum wire size SMO5 LF 1 5 mm2 SM10 LF 2 5 mm2 SM15 20 LF 4 mm2 2 Make sure the wire length between battery and controller is as short as possible Be aware that the positive terminal of Smart are connected together and therefore have the sa2. LF SM10 LF SM15 LF SM20 LF Nominal voltage 24V fixed Max solar current or load current 5A 10A 15A 20A Over charge voltage 29 2 V Over charge release voltage 28 0 V Load disconnect voltage 21 0 V Load reconnect voltage 23 0 V Lighting hours 0 18 Hours Day Night threshold 6 0V 15 0V Battery type LiFePO4 Max solar voltage 55 V Max battery voltage 40V Dimming 30 70 of rated power Cable length 120mm 80mm Over voltage protection 31 2V Dimensions Weight 85 x 70 x 20 mm 200g 85 x 85 x 20mm 210g Wire size SMO5 LF 1 5 mm2 SM10 LF 2 5 mm2 SM15 SM20 LF 4 mm2 Typical power consumption Lower than 15mA Ambient temp Case protection Max altitude 40 C 60 C IP67 4000 m Page 3 of 3 Pages 0076100168
3. acity Change battery Battery is not A being charged Green Solar array faulty Remove faulty connection during the day LED on or wrong polarity reverse polarity Street Light Function The Smart controller comes with a sophisticated Street ight function It has dimming function There are 6 modes available 1 Single time and Dusk to Dawn mode Figure 2 Double time mode 1 Figure 3 Double time mode 2 Figure 4 Double time mode 3 Figure 5 Double time mode 4 Figure 6 Double time mode 5 Figure 0076100168 Solar Charge Controller SM05 10 15 20 LF User Manual GD Day night threshold Day night threshold Sunset SU Sunrise WW i x 7 as Time 1 Time 2 Rated power Light on Dusk to Dawn Light off Light of gre Day night threshold Day night threshold Sunset uz Sunrise s 2 S YY Dimming i Light of Light off Day night threshold Day night threshold Sunset SKSunrise n gt Light on Light on x Time 2 Light Light off Light off 4 Day night threshold Day night threshold Ny Sunset gt Sunrise gt e Light on Light o Light off Light off Day night threshold Day night threshold Sunset SKlSunrise U Ss Mid of Night Light On Light off P lt Ya Night Time Ya Night Time Day night threshold Day night threshold NL Sunset gt Sunrise Ve Mid of Night Light on D
4. cted by fuse or battery will be permanently damaged 4 The solar panel voltage should not exceed this limit for a long time as voltage protection is done by a varistor Warning The combination of different error conditions may cause damage to the controller Always remove the error before you continue connecting the controller Low Voltage Disconnect and Reconnect Low voltage disconnect voltage LVD 21 0V Low voltage reconnect voltage LVR 23 0V If the controller goes into low voltage protection it will restore only when the battery being recharged and the voltage reaching the reconnect voltage Default Settings You can configure Smart charge controller with Digital Unit DU II See DU II manual for details SM LF Default Settings Load control mode Dusk to Dawn mode Low voltage disconnect 21 0V Low voltage reconnect 23 0V Battery type LiFePO4 Day night threshold 6 0V Solar Charge Controller SM05 10 15 20 LF User Manual 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 unauthorized person unusual use wrong installation or bad system design Technical Data Model SMO5
5. imming Light off Light off lt gt Night Time Ya Night Time Middle of night is detected automatically as the midpoint between dusk and dawn no setting of a clock is required It may take several days until the controller has learned the middle of the night precisely Middle of night may be different from 12 00 midnight depending on your location Page 2 of 3 Pages The controller recognizes day and night based on the solar array open circuit voltage only functional in streetlight mode This day night threshold can be modified according to local light conditions and the solar array used Attention 1 Dimming function can not be guaranteed to match with all the LED drivers consult the vendor for details 2 It will take effect in next day if the mode of controller is changed via Digital Unit Safety Features Solar terminal Battery terminal Load terminal ane Protected 1 Protected 1 Protected 2 Short circuit Protected Protected 3 Switches off immediately Switches off Over current N A N A with delay Reverse Current Protected N A N A Over voltage Max 55V 4 Max 40V N A Under voltage N A N A Switches off switches off the load if the temperature Over temp reaches a high level 1 Controller can not protect itself in a 24V system when polarity of battery or solar is reversed 2 Controller can protect itself but loads might be damaged 3 Battery must be prote
6. me electrical potential If any grounding is required always do this on the positive wires 3 when installed the controller please press the test button to activate the controller 4 Connecting capacitive load may trigger short circuit protection To Digital Unit Pagetof 3 Pages LED indications Faults amp Alarms LED Display Explanation LED Display Status X Battery connected Blink day detected Green 0 4second on 0 4 second off Lighted Battery connected night detected Off No faults detected RED Dimming 2 seconds on Slow blink 0 5second off RED Off No battery connected Green Lighted together Controller start u 1second P Faults amp Alarms Faults Display Reason Remedy Red LED Load will reconnect as soon on Batteryis low as battery is recharged Switch off all loads Remove Over current Short short circuit Controller will Loads RedLED circuit of loads switch on load automatically slow blin after max 1 minute After the Over temp temperature reduces the load opens automatically Check if other sources overcharge the battery If not controller is damaged are not ed Battery voltage too supplie pp Red LED high gt 31 2V fast blink Battery wires or battery fuse Check battery wires damaged battery fuse and battery has high resistance Battery is Red LED Battery has low empty after y a short time on cap
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