Jntech JNP370L Quick Installation Download Page 1

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Quick Installation

用户手册

Solar pumping inverter

JNP370LS-V1

JNP550LS-V1

QI-JNP-550LS-V1-EN-V1.0

Summary of Contents for JNP370L

Page 1: ...Quick Installation 用户手册 Solar pumping inverter JNP370LS V1 JNP550LS V1 QI JNP 550LS V1 EN V1 0 ...

Page 2: ...idential information about Solar pumping inverter of Supplier It strictly prohibited to disclose the document by duplicating photocopying publishing online and in other forms without SUPPLIER s permission Supplier reserves the right to change details in this publication without notice ...

Page 3: ...necting Terminals of Inverter 6 3 2 Cable Selection for Electrical Connection 7 3 3 AC Side Electrical Connection 7 3 4 DC side connection 8 3 5 Inverter grounding 10 3 6 Water Level Sensor Connection 10 3 6 1 Water level sensor interface define 10 3 6 2 Water level sensor connection 11 4 Disassembling 13 4 1 The Disassembling of PV Connector 13 5 Commissioning 14 5 1 Verify before Commissioning 1...

Page 4: ... in good condition or not Accessories are shown as below No Description No Description 1 Solar pumping inverter 6 Sensor and communication connector Option 2 Blue ring tool 7 Packing list 3 Expansion bolt 8 Water level sensor A 4 PV connector 9 Quick installation guideline 5 PV connector 10 Water level sensor B 11 Certification of inspection ...

Page 5: ...sed for PV connector wire core pressure welding Electric drill Ф8 Used for inverter installation plate fixed hole drilling Straight screwdriver Ф3 Used for the AC wire installation Cross screwdriver Ф5 Used for disassembling inverter cover Hammer 6 pound Used for expansion bolt 2 2 Installation Direction and spacing dimension The inverter shall be installed vertically or tilted backwards with a ma...

Page 6: ...mum space Above 100cm Sides 100cm Below 100cm Front 100cm 2 3 Installation of Inverter Step 1 Drill holes in the selected installation position with 1200mm for two holes of Ф8 Step 2 Use hammer to make expansion bolt in the holes Step 3 Hang the inverter in the wall tighten with expansion nut 120mm ...

Page 7: ...ncluding DC input and AC output terminal RS 485 communication and water level sensor terminals shown as below Terminals description Terminals Description PV PV PV array DC positive negative input terminals MOTOR Output terminal connect with AC pump SENSOR Water level sensor signal input terminal optional Grounding terminal ...

Page 8: ...breaker should be 2 stages 3 2 Cable Selection for Electrical Connection User can select cables for electrical connection according to the following specifications Model Cable range AWG DC side AC side PV PV U V W PE JNP370L 14 12 14 12 12 JNP370LS 14 12 14 12 12 JNP550L 14 12 14 12 12 JNP550LS 14 12 14 12 12 3 3 AC Side Electrical Connection Step 1 AC connectors plug into Inverter bottom AC side ...

Page 9: ...y should be covered with opaque materials and the DC side circuit breaker should be disconnected otherwise the PV array may generate dangerous voltage cause casualty The Non professionals do not make the connection operation Step1 Please connect the wire of DC connector according to the following steps Operation instruction Operation demonstration 1 Unscrew the fastening nuts of MC4 Connector ...

Page 10: ...ber Terminals and connectors match the core is not reversed 3 Pull the above finished cable with tube through the fastening nut 4 Plug it into the wiring slot until a sound being heard which indicating plug into the right place Then tighten the nut Effect figure Step2 Plug the positive and negative connector into the corresponding terminals at the bottom of the inverter respectively ...

Page 11: ...ure Inverter grounding terminals is properly connected with grounding 3 6 Water Level Sensor Connection 3 6 1 Water level sensor interface define Water level sensor connector pins in inverter panel port are defined are shown below ...

Page 12: ...rotection pin COM Dry protection and Overflow protection common pin 3 6 2 Water level sensor connection Two kinds of water level sensor you can select are shown below Sensor A Sensor B If you selected water level sensor A then water sensor installation method is shown below ...

Page 13: ...ct green cable A2 connect green cable A1 connect black cable Water level sensor connector Note Both yellow shrub like hammer you need filled water when you install sensor A Detailed figure of sensor A Installation figure of sensor A ...

Page 14: ...f overflow water level sensor 1 B the Installation location of pump dryed water level sensor 2 C Pump outlet 3 S about 1 3 m For dry protection the end with cable of sensor should be upwards For over flow protection the end with cable of sensor should be downwards Detailed figure of sensor B 4 Disassembling 4 1 The Disassembling of PV Connector Please operate according to following Operation instr...

Page 15: ...e inverter and to ensure that the positive and negative mustn t be misconnect otherwise the damage may be caused to the inverter Make sure that the open circuit voltage of photovoltaic array doesn t exceed the required voltage DC Input Make sure that the DC terminals of the inverter are connected correctly and maintained consistent with the PV array AC Output Make sure inverter AC output terminal ...

Page 16: ...ht is on STATE STATE light Yellow When the system is in abnormal state the light will be on such as photovoltaic under voltage system dry overflow WARN WARN light Red When the system is in abnormal state the light will be on such as photovoltaic under voltage system dry overflow system can recover fault and the light will be on RUN Running light Green Light on under normal operation POWER Power li...

Page 17: ...ections are correct Check whether the system pipeline is unobstructed or not Switch on the DC side circuit breakers After finishing the above steps then begin initialization Auto model Inverter default setting is Auto model when inverter power on Inverter power indicator light will be on inverter will auto operate POWER and RUN light will be on inverter start to work After inverter operate if RUN ...

Page 18: ...will note down operation mode of last time power off If manual turn off need to turn on manually next time if last time is auto turn off inverter will auto turn on when power on 2 Inverter ON OFF is touch botton do not press hard Note 1 AC pump motor and inverter phase sequence must be corresponding if misconnection will get no or less water output When this happen should turn off inverter exchang...

Page 19: ...ven lower than inlet of pump 1 Please check the water level if the water level is ok please check if there are air inside pump 2 Please check the position of water level sensor Weak sunshine Inverter shutdown When malfunction disappear inverter can restart automatic Array output low Usually appears in early morning dusk and cloudy days This situation is aim to protect the motor of pump and lengthe...

Page 20: ... normal 2 Please inspect whether pipeline system is in accordance with water pump or not 3 If this happen frequently please contact SUPPLIER Output phase lose Inverter shutdown and will restart automatically after the fault disappears Phase loss in inverter output 1 Please check if the output wires are proper connected and fixed 2 If this happen frequently please contact the supplier Warn light on...

Page 21: ...start still show this fault means inverter inside hardware damage IPM FO fault Inverter shutdown and will restart automatically after the fault disappears Pump damage cause output short circuit Inverter hardware damage Check if pump is damaged if pump is okey then inverter inside hardware damage if restart failure IPM over heat Inverter shutdown and will restart automatically after the fault disap...

Page 22: ... this happen frequently please contact SUPPLIER Motor detection fault Inverter shutdown non recover malfunction No automatically restart only if recharged Inverter one phase or two phase is not proper connected with motor or motor damage Please check if three phase output is properly connected motor is damaged or not Initialization fault Inverter shutdown non recover malfunction No automatically r...

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