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- 18 -

2. System conversion efficiency curve

A. 12V System conversion efficiency (Battery voltage is 12V)

Picture 11 12V System conversion efficiency curve

B. 24V System conversion efficiency (Battery voltage is 24V)

Over temperature

protection

When the temperature reaches 75

℃

charging current is

limited to half of the rated current, When the temperature

reaches 90

℃

charging and load are shut off

Working

temperature

-20

℃～

50

℃

Storage

temperature

-40

℃～

80

℃

Humidity

10%

～

90% Non-condensate

Weight

Size

280*225*114mm

Содержание JN-MPPT

Страница 1: ...ring function It can be widely used in communication station household system street lamp system and field monitoring system etc With comprehensive electronic fault self test function and powerful electronic protection function can avoid system components damage in the greatest degree due to installation errors 2 Product features Advanced MPPT maximum power point tracking technology and tracing ef...

Страница 2: ...t Properties 1 MPPT charging technology MPPT technology Maximum Power Point Tracking MPPT for short is the technology which can adjust the working state of the electrical module to assure photovoltaic panels output more electricity Power Direct current dc from the solar panels can be able to stored in the battery effectively which can solve the lack of life and industrial electricity in the remote...

Страница 3: ...nels and adjust the parameters constantly to keep the system working in the maximum power point A As light is reduced current decreases B As temperature increases the open circuit voltage decreases Picture 2 Solar panels changes with light and temperature curve 2 Charging status explaination As one charging phase MPPT charge cannot be used alone but need combining with improving charge floating ch...

Страница 4: ...o improving charge B Improving charge When the battery voltage reaches improving charging voltage the controller will be converted to constant voltage charging mode In this process the controller will not be MPPT charging and the charging current will decline gradually over time Under the condition of improving charge time up to the set time 1 2 3 hours the controller will convert into floating ch...

Страница 5: ...l reaction By Equalizing charge the battery voltage can be increased to higher than the standard voltage which can make the electrolyte gasified Once there is a battery discharge the controller will conduct a balanced charge Warning 1 Equalization charge can increase the battery voltage to the level that may damage sensitive dc load Need to verify whether the permission input voltage of the load s...

Страница 6: ...arging indicator lamp yellow and the load indicator lamp green Function definition shows in the table below NO LED Lamp Condition Definition Notes 1 fault alarm lamp red off Work smoothly 2 Constantly on Alarm events 3 indicator lamp yellow off Non charge 4 Constantly on MPPT charge 5 flashing slowly Floating charge 6 flashing quickly Improving charge ...

Страница 7: ...ualizing charge 8 load indicator lamp green Constantly on Output smoothly 9 off light controll and time control normally closed 10 flashing slowly Battery over discharge load off Alarm at the same time 11 flashing quickly Battery over charge load off Alarm at the same time ...

Страница 8: ...panels icon vanish and the moon icon lights up When press the corresponding button the corresponding field lights up on the screen And you can set the related parameters Each field definition shows in the table below Field name Definition Function V battery The battery voltage Field lights up the present battery voltagehe shows in the display area V PV Photovoltaic panels voltage Field lights up t...

Страница 9: ...ltage can be set The field flashes during equalizing charge Time Time1 set Field lights up Time control 1 can be set the first light working time When set as 0 the controller is for household use Time1 Time2 set Field lights up choosing street light mode the time control 2 can be set light off time Time2 Time3 set Field lights up choosing street light mode the time control 3 can be set the second ...

Страница 10: ...e the controller will return to the standby interface Warning When set the light control voltage the light control OPEN voltage must be greater than the light control CLOSE voltage otherwise the light control cannot work normally For some parameters which may affect the system security you can set them by combined buttons In standby mode when press SET and DOWN buttons for 3 seconds at the same ti...

Страница 11: ...er When the battery voltage is higher than under voltage recovery value the controller will resume normal work Battery over voltage OVD icon flashes error icon lights up buzzer rings intermittently load is shut off Press the ESC button to close the buzzer When the battery voltage is lower than over voltage recovery value the controller will resume normal work Controller over temperature ERROR icon...

Страница 12: ...ould be installed in the ventilation environment E According to the environmental temperature controller will conduct battery charging voltage compensation Please install the battery and controller in the same environment F Choose enough capacity cable for connection to avoid of excessive loss in the circuit which may led to the controller wrong judgements Generally advice to calculate the current...

Страница 13: ...ration Please set up each controller s device address before the network Do not appear repeated ID B The communication cables RS485 between the controller should be connected hand in hand and the last communication cable should be connected to the converter then to the PC C Connect the battery cable properly Distinguish the positive and negative poles to avoid short circuit D Connect the photovolt...

Страница 14: ...ion Because the controller will generate high heat during operation Don t put the controller and the opening lead acid battery in the same cabinet Because the opening lead acid battery will generate acid gas during operation which may corrode the controller The virtual joint and corrossive wire may cause a great amount of heat It can melt the insulation layer of the wire burn the surrounding mater...

Страница 15: ... PC And if the controller is in parallel operation please connect RS485 communication cables hand in hand to the controller first Remote temperature probe is inserted into the TEMP terminal of the controller Connect the relevant cables and ensure a firm connection Put back the terminal cover and tighten the screws Fix the controller Turn on the air break switch in the battery side and then in the ...

Страница 16: ...ectrode short circuit which may cause explosion Never connect the battery terminalof the controller to PV terminal Otherwise it will burn out the controller The metal part of the connection terminal is forbidden to touch by hand so as to avoid electric shock Do not connect the positive and negative poles wrong The controller will not work due to reverse connection protection function The controlle...

Страница 17: ...eters Name The parameter values and adjustable range Default values Current 30A 40A 50A 60A System Voltage 12V 24V 48V Photovoltaic max input voltage 100V 12V system Voltage 150V suggest lower than 145V 24Vsystem Voltage 150V suggest lower than 145V 48Vsystem Voltage Rated working current 30A 40A 50A 60A Photovoltaic max input power 400W 12V 800W 24V 1600W 48V 500W 12V 100W 24V 1500W 48V 600W 12V ...

Страница 18: ...14 15V nV 14 4V nV Boost charge recovery 12 3 13 5V nV 13 2V nV Floating charge voltage 13 2 14 0 nV 13 8V nV Over discharge voltage 9 8 11 8V nV 10 8V nV Over discharge recovery 12 0 13 0V nV 12 6V nV Equalizing charge time 1 2 3 hour 1H Boost charge time 1 2 3 hour 1H Device address 1 99 6 Light control OPEN voltage 1 5V 5 Light control CLOSE voltage 5 11V 6 Light control time delay 10 min Tempe...

Страница 19: ...ve B 24V System conversion efficiency Battery voltage is 24V Over temperature protection When the temperature reaches 75 charging current is limited to half of the rated current When the temperature reaches 90 charging and load are shut off Working temperature 20 50 Storage temperature 40 80 Humidity 10 90 Non condensate Weight Size 280 225 114mm ...

Страница 20: ... 19 Picture 12 24V System conversion efficiency curve C 48V System conversion efficiency Battery voltage is 48V Picture 13 48V System conversion efficiency curve Ⅴ Installation dimensions ...

Страница 21: ... 20 Picture 14 Diagram of installation dimensions Ⅵ Packing list ...

Страница 22: ...tity Notes 1 JN MPPT controller 1 2 User manual 1 3 Connection terminal 6 4 Temperature probe 1 5 Host computer CD 1 Optional 6 USB to RS232 cable 1 Optional 7 RS232 to RS485 module 1 Optional 8 Lotus terminal 5 08 2 1 ...

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