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3.2 Machine appearance

3.3 Installation site requirements:



Please install the machine on the firm surface, and

can support the weight of the

inverter for a long time.



Good ventilation on the installation location,

and

can support the weight of the

inverter for a long time



Inverters need to be installed vertically to prohibit horizontal installation.



Wiring area should be down and no lateral tilt, vertical installation surface and

vertical inclination angle is not more than 15 degrees

Figure 3.3-1

Installation Diagram

Installation location



Installation position height have to be same with the line of sight, so that it will be

easy to observe and operate LCD panel.



Do not install the inverters on a place where the children can touch them.

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Summary of Contents for JNS Series

Page 1: ...JNS Series Single Phase Energy Storage Inverter User s Manual V1 0 2017 12 Hefei Jntech New Energy Co Ltd ...

Page 2: ...ctrical connection instructions 7 4 1 System electrical connection 7 4 2 Battery connection 8 4 3 PV array connection 9 4 4 AC connection 10 4 5 communication interface 11 5 Trial run 13 5 1 Trial run check 13 5 2 Trial run of inverter 14 6 LCD panel operation instructions 14 6 1 LCD introduction 14 6 2 Operating instructions 15 6 3 LCD program upgrade 17 7 Working mode specification 18 8 Product ...

Page 3: ...ult inverter will offer 230v AC power to important home load to realize the backup battery when off grid in addition the inverter has the function that auto connect state grid when over power generated Jntech JNS series inverter can be used in door or outdoor Figure 1 1 Solar Energy Storage system 2 Security statement and warning For electrical and electronic equipment safety involves the whole pr...

Page 4: ...e inverter 2 1 Symbolic interpretation 2 2 Security statement The inverter must be installed and maintained by professionals in accordance with local laws and regulations Professional and technical personnel must Special training Fully read this manual and master the operation related safety matters If the inverter is not installed and operated according to the instructions in this manual the dama...

Page 5: ...ar the responsibility and quality assurance PV array directly generated by the sun will produce DC high voltage need to operate according to our provisions to avoid partial protection measures failure In the case of unauthorized do not remove the lid do not touch or replace any components except terminals outside otherwise it will cause harm to the human body and the inverter which Jntech will not...

Page 6: ...me Inverters need to be installed vertically to prohibit horizontal installation Wiring area should be down and no lateral tilt vertical installation surface and vertical inclination angle is not more than 15 degrees Figure 3 3 1 Installation Diagram Installation location Installation position height have to be same with the line of sight so that it will be easy to observe and operate LCD panel Do...

Page 7: ...und the inverter as shown in figure 3 3 2 Figure 3 3 2 Installation Diagram 3 4 Installation Because the inverter is heavy the handling process should be careful should be carried out under the assistance of the installation 1 After selecting the proper installation position the inverter should be placed on the installation surface such as the wall and the installation hole should be marked as the...

Page 8: ...uries and deaths of staff or or permanent damage to the equipment Please ensure that both the AC and DC side are not charged before the electrical connection is carried out In order to ensure safe operation the correct grounding the use of the proper conductor and the necessary short circuit protection are required Do not close any circuit breakers until all the equipment is not fully connected 4 ...

Page 9: ...iring Please pay special attention to the battery s pole the inverter would be damaged if reverse connection Pay attention to chemical pollution and electric shock risk Because there is large current when system operating with battery it is recommended to use the cables as following specifications for safety purposes Suggest to connect the battery positive electrode with red cable negative electro...

Page 10: ...ench 5 Lock the battery nut by pan head screw inside accessories package and then tighten the nut as shown in figure 4 2 1 Figure 4 2 1 4 3 PV connection Verify that the DC switch is in shutdown state before PV array connection Note that the polarity of the array must match the polarity of the connector otherwise it will damage the inverter Note that the maximum open circuit voltage of the array m...

Page 11: ...irectly connected to any electrical appliance or power grid The BACK UP terminal of multiple inverters can not be connected in parallel the BACK UP end can not be connected to the power grid In order to ensure the safe and reliable operation of the system it is recommended to use the cable specifications as follows The specific steps of the AC connection are as follows 1 Confirm the disconnection ...

Page 12: ...them BACK UP connect with load breaker ON GRID connected grid breaker as shown in figure 4 3 3 5 Use pan head screw in the attached bag to lock AC protective cover and then tighten the nut on protective cover The installation instructions are as shown in figure 4 3 1 Figure 4 3 1 4 5 Communication Interface The inverter is equipped with 3 RS 485 interfaces one is used for smart meter communication...

Page 13: ...n 5 2 For ammeter communication settings please refer to the instruction manual of ammeter 2 USB connection When the LCD program is upgraded the USB data line U disk is inserted into the USB port directly If need more detail please turn to the LCD panel operation instructions 3 BMS communication connection If the lithium ion battery unit is configured for the energy storage system the inverter nee...

Page 14: ... done before the initial inverter is opened Check whether the installation of the inverter is firm and whether the installation position is convenient for operation and maintenance Check whether the positive or negative connection of the inverter s battery and the photovoltaic input terminal is firm and correct Check whether the AC terminal of the inverter is firm and correct with the connection o...

Page 15: ...erface of the liquid crystal Mark LED State Description POWER Green Lighting Inverter power supply is normal RUN Green Lighting Inverter is in running state FAULT Yellow Lighting The inverter has fault Explaination First test operation if abnormal inverters report fault please refer to Appendix fault code to check the fault 6 LCD panel operation instructions 6 1 LCD introduction The man machine in...

Page 16: ...the lower right corner of a display meter when displayed as black and white kWh representing the meter communication connection is abnormal please check the meter according to section 4 4 communication connection when the display is black and white as figure 5 2 1 shows meter and inverter normal communication 2 menu In figure 6 2 1 shows the main interface press the MENU key on the right keyboard ...

Page 17: ...witch between the press confirm button and the back button Use the up down and confirm keys to select and enter items within the menu The menu General set battery set and advanced set of submenue are shown in below diagram 3 Example of operation ...

Page 18: ...up menu press the down key to move the cursor to the target position Press the up and down key to set the number then move the cursor to yes and press confirm and return to the main interface by pressing return key two times Note the password dialog box appears when you enter the settings interface The factory password is the default value and can be entered directly after press MENU twice If you ...

Page 19: ...rding to the different lighting and power supply the inverter will work in several different modes Overall the uninterrupted peak load Valley and the uninterrupted power supply of the household important load are realized Mode 1 when the sunshine is sufficient during the day the PV is given priority to the important load then the surplus energy is stored into the battery and finally the energy is ...

Page 20: ... Channels 2 DC input channels 2 Battery parameter Battery type Lead battery or Lithium battery Rated voltage of battery 48V Max charge discharge current 100A AC output parameters grid connected Rated AC output power 3000W 4600W Grid voltage range 230Vac 150 276 Vac can set Grid frequency range 50Hz 45 55Hz 60Hz 55 65Hz Max Current 13A 23A Total current waveform distortion 3 Rated power Mode 4 Stat...

Page 21: ...ction IP65 noise dB 45 working temperature 25 60 45 Cooling way Natural cooling topological structure Non transformer isolation Satisfaction standard CE lEC 62109 1 lEC 62109 2 Size W H D mm 505 450 190 Weight kg 27 30 output load Description when the output is connected to inductive load such as motor air conditioner washing machine etc the maximum power of a single inductive load should not exce...

Page 22: ...uch as too much dust need clean the inverter Check whether the connection of the inverter cable is loose if loose according to the wire connection method introduced above again to fasten it Check whether there is any damage to the cable especially if there is a cut mark when contact the surface of the metal 10 Contact after sale If there are any problems during the operation and maintenance of the...

Page 23: ...all the time contact the Hefei Jntech customer service center 1 104 Undervoltage of battery voltage The battery stops discharging and after the failure is eliminated the battery will run automatically 1 measure whether the voltage of the battery is under pressure 2 Waiting for the inverter to return to normal 3 If the fault exists all the time contact the Hefei Jntech customer service center 1 105...

Page 24: ...lly 1 Waiting for the inverter to return to normal 2 If the fault exists all the time contact the Hefei Jntech customer service center 2 101 Short of DC voltage in off grid state When the inverter is shut down the inverter is operated automat ically after the fault is eliminated 1 Check whether the battery is not connected or the DC module is in trouble 2 If the fault exists all the time contact t...

Page 25: ...wn the inverter is operated automatically after the fault is eliminated 1 Restart the inverter 2 If the fault exists all the time contact the Hefei Jntech customer service center 2 202 Three consecutive IGBT failures in 15min When the inverter is shut down the inverter is operated automatically after the fault is elimi nated 1 Waiting for the inverter to return to normal 2 If the fault exists all ...

Page 26: ...ling loss 2 212 Overlimit of A phase current on DC component 2 213 Overlimit of B phase current on DC component 2 300 Failure of leakage current sensor When the inverter is shut down the inverter is operated automatically after the fault is eliminated 1 Check whether the grid connection is normal 2 If the fault exists all the time restart the inverter 3 if the restart of the inverter is invalid pl...

Page 27: ...eck whether the connection mode of PV module meets the requirements of the inverter 3 Check whether the power grid voltage is stable 3 106 Array 1 overvoltage The PV module stops working After the failure is excluded the PV module runs automatically 1 Operating a DC circuit breaker to disconnect the connection of the PV module to the inverter 2 Check whether the open voltage value of the PV array ...

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