LAT-NL series Solar controller User Manual Ver DK29.cdr
Contents
1. There are 2 modes available Dusk to Dawn and Evening Mode J t S Light on Light off Dusk to Dawn light on Evening Mode Lightoff Number of evening hour 9 Programming Function 9 1Programming Nightlight Function You enter the programming mode with a long push on the button The programming menu structure is described on the follow All programming settings are stored in a non volatile memory and remain stored even if the controller was dis connected from the battery 9 2Test Function During daytime the testing function can help the user to verify correct installation or for trouble shooting a system problem Short pushing the button will light up the lamp which is connected to the load terminals The lights will be on in the day for 1 minute intervals Within 1 minute the lights can be turned off via pushing button State of Charge Programming Menu Enter 10 Safety Features and Error description 10 1 Safety features Solar terminal Battery terminal Load terminal Reverse polarity Protected 1 Protected 1 Protected 2 Switches off Protected immediately Short circuit Protected 3 Switches off Over current with delay Reverse Protected Max 55V 4 Switches off switches off the load if the temperature Over temp P reaches the set value 1 Controller can not protect itself in a 24V system when polarity of battery or solar is reversed2. battery under all circumstances We strongly recommend connecting a fuse directly to the battery to protect any short circuit at the battery wiring 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 special terminals or wires can be as much as twice the battery voltage Use isolated tools stand on dry ground and keep your hands dry Keep children away from batteries and the charge controller 3 2 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 Page 1 of 4 pages Solar Charge Controller LAT05 10 15 20 NL User Manual 4 Installation The following diagrams provide an overview of the connections and the proper order 00 E To avoid any voltage on the wires first connect the wire to the controller then to the battery panel or load E Make sure the wire length between battery and controller is as short as possible E Recommended minimum
3. overcharge the battery If not controller is damaged Battery wires or battery fuse damaged battery has high resistance The battery voltage is not within the normal operating rang at start up Check battery wires fuse and battery Charge or discharge the battery to make the voltage within the normal range Solar Charge Controller LAT05 10 15 20 NL User Manual 11 Technical Data Model LATOS NL LAT10 NL LAT15 NL LAT20 NL System voltage 12V 24V automatic recognition Max solar current or load current 5A 10A Boost voltage 14 5V 29 0V 25 C Equalization voltage 14 8V 29 6 V 25 C Liquid Float voltage 13 7V 27 4 V 25 C Load disconnect voltage 11 2 11 8V 22 4 23 6V Load reconnect voltage 12 5V 25 0V Working time during night Dusk to Dawn mode 4 6 8hours Programmable Battery type Liquid Gel Temperature Compensation 4 17 mV K per cell Boost Equalization 3 33 mV K per cell Float Max solar voltage 55V Max battery voltage 40V Over voltage protection 15 5V 31 0V Dimensions Weight 81 102 37 150g Degree of protection IP22 User Manual_LAT NL series_DK29 CE Rohs IS09001 2008 Subject to change without notice Page 4 of 4 pages
4. 2 Controller can protect itself but loads might be damaged 3 Battery must be protected 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 10 2 Error description Reason Programming Remedy Dusk to Dawn L5 lighted L2 L3 L4 flash Evening mode 8 hours L5 lighted L2 flash Normal Operation Evening mode 6 hours L5 lighted L3 flash Evening mode 4 hours L5 lighted L4 flash Exit Programming e Button xt LED is Flashing ShortPush lt 1Second o LED is On _ Long Push gt 1 Second J LED is Off Red LED is on Red LED is flashing Battery is low Over current short circuit of loads Load will reconnect as soon as battery is recharged Switch off all loads Remove short circuit Battery is empty after a short time Red LED is on Battery has low capacity Change battery voltage protection Does not recognize the system voltage Page 3 of 4 pages Yellow LED the right side are lighted All LED Lighted Solar array faulty or wrong polarity Battery voltage too high gt 15 5V 31V Remove faulty connection reverse polarity Check if other sources
5. Lumiax www lumiax com LAT NL Series Solar Charge Controller 5A 10A 15A 20A User Manual 1 Description of Function LAT NL series intelligent solar controller is especially for solar photovoltaic power generation system and solar street light system It comes with a number of outstanding features such as E Programmable nightlight function E 12V 24V automatic recognition m Clear readable display of charge discharge and error description E Four stages charge way fast boost equal float E Temperature compensation E Low voltage disconnected reulated by state of charge E Max 16mm binding clamp E Full automatic electronic protect function This manual provides some important recommendations related to the controller including installation use programming and fault exclusion 2 Dimensions 12 102 57 F 1 Q00000 16 5 3 Safety instructions and waiver of liability 3 1 Safety The solar charge controller may only be used in PV systems in accordance with this user manual and the specifications of other modules manufacturers No energy source other than a solar generator may be connected to the solar charge controller Batteries store a large amount of energy never short circuit a
6. S In normal operation the controller shows charge or discharge status battery capacity and load status 6 1Charge display Green LED Solar array supplies electricity Solar array does not supply electricity LED is on LED is off 6 2Status of charge display Yellow LED Q g lt 25 25 75 gt 75 The percentage corresponds to the available energy until low voltage disconnect in relation to a fully charged battery 6 3Load status display Red LED In case of deep discharge or overload short circuit of load the load output is switched off Overload or short circuit Low voltage disconnect LED is on of load LED is flashing Normal operation LED is off 7 Low Voltage Disconnect Function The controller uses state of charge to protect the battery form being deeply discharged 11 2V 22 4V 11 8V 23 6V Disconnect at 11 2V 22 4V at nominal load current up to 11 8V 23 6V at no load current P Note 1 If the controller goes into low voltage protection it will restore only when the battery being recharged and the voltage reaching the reconnect voltage 2 Around oblique line value separately on behalf of 12V and 24V system s value Page 2 of 4 pages Solar Charge Controller LAT05 10 15 20 NL User Manual 8 Night light Function The charge controller has a load terminal which is prepared for nightlight operation and switches on for a selectable number of hours from the dusk
7. wire size LatO5 NL 1 5 mm Lat10 NL 2 5mm Lat15 20 NL 4 0mm E Be aware that the positive terminal of controller are connected together and therefore have the same electrical potential If any grounding is required always do this on the positive wires Connecting capacitive load may trigger short circuit protection P 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 and electronic fuse functions of the controller are short circuited 5 Starting up the controller 5 1Self Test As soon as the controller is supplied with battery it starts a self test routine Then the display changes to normal operation 5 2System Voltage The controller adjusts itself automatically to 12V or 24V system voltage As soon as the battery voltage at the time of start up is within 10V to 16V the controller implies a 12V system else if the battery voltage is within 20V to 30V the controller implies a 24V system If the battery voltage is not within the normal operating rang ca 10 to 16V or ca 20 to 30V at start up a status display according to the section 10 2 Error description occur 5 3Battery Type The LAT series controller applies to Liquid and Gel battery the factory default setting is suitable for liquid battery Remark If the device is used in a vehicle which has the 6 Display Functions The controller is equipped with 5 LED
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