Related Manuals for Jntech JNP370L
Summary of Contents for Jntech JNP370L
- Page 1 Quick Installation Solar pumping inverter JNP370LS-V1 JNP550LS-V1 QI-JNP-550LS-V1-EN-V1.0 用户手册...
- Page 2 The copyright belong to Supplier. This document involves the proprietary and confidential 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. ·...
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Page 3: Table Of Contents
Contents Quick installation guideline JNP370L/LS JNP550L/LS ........3 1 Inverter unpacking ..................3 2 Installation procedure ................4 2.1Prepare installation tools ..............4 2.2 Installation Direction and spacing dimension........4 2.3 Installation of Inverter ................ 5 3. Electrical Connection.................. 6 3.1 Connecting Terminals of Inverter ............ -
Page 4: Quick Installation Guideline Jnp370L/Ls Jnp550L/Ls
Quick installation guideline JNP370L/LS JNP550L/LS 1 Inverter unpacking Check according to Packing List whether all the parts are correct and in good condition or not. Accessories are shown as below: Description Description Sensor and communication Solar pumping inverter connector (Option) -
Page 5: Installation Procedure
2 Installation procedure 2.1Prepare installation tools The following tools will be needed during inverter installation and wire connection. Sketch map Name Recommend Function specification MC4 wire M2.5~M8 Used for PV connector crimpers wire core pressure welding. Electric drill Ф8 Used for inverter installation plate fixed hole drilling. -
Page 6: Installation Of Inverter
The minimum installation spacing dimensions are shown below: Direction Minimum space Direction Minimum space Above 100cm Sides 100cm Below 100cm Front 100cm 2.3 Installation of Inverter 120mm Step 1： Drill holes in the selected installation position with 1200mm for two holes of Ф8 Step 2: hammer make... -
Page 7: Electrical Connection
3. Electrical Connection 3.1 Connecting Terminals of Inverter Input and output terminals is on the bottom of the inverter, including 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... -
Page 8: Cable Selection For Electrical Connection
Model Recommended parameters of DC circuit breaker JNP370L 440VDC,20A JNP370LS 440VDC,20A JNP550L 440VDC,20A JNP550LS 440VDC,20A Notice! DC Breaker 1. It must be DC breaker, it’s prohibited to be replaced by AC breaker; 2. Shown as right side picture DC breaker should be 2 stages. -
Page 9: Dc Side Connection
connectors. From AC connectors there are U,V,W wires to connect with AC pumps U,V,W wires. 3.4 DC side connection Danger! When carrying the out connection between PV array and inverter, the PV array 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. - Page 10 2． Strip off the DC cable insulation layer to a length of approx. 7mm. Insert the exposed end of PV Cable into the connector tube, and press tightly with wire crimpers. Effect figure. Remember! ! ! Terminals and connectors match the core, is not reversed.
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Page 11: Inverter Grounding
3.5 Inverter grounding Make sure 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: Water Level Sensor Connection
Terminal（SENSOR） Detail connector pin Dry protection pin. Overflow protection pin. 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 Sensor If you selected water level sensor A, then water sensor installation method is shown below:... - Page 13 A1 connect black cable A2 connect green cable B2 connect green cable B1 connect white 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...
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Page 14: Disassembling
If you selected water level sensor B, then water sensor installation method is shown below: For dry protection, the end with cable of sensor should be upwards connect white cable connect green cable A:the Installation location of overflow water level For over- sensor. -
Page 15: Commissioning
DC SWITCH should be OFF before operation, and This blue ring tool shall be used to disconnect MC4 Step 1: Putting blue ring tool into the hole of the MC4 totally, as shown on the picture. Step 2: it will be taken apart easily. 5. - Page 16 Figure5-1 LED Display Table5-1 LED&Key Indicator Direction Name Color Instructions Indicator Fault light, the system can not recover the fault, (when the fault occurs and FAULT Faulty light the fault is not eliminated, the light is on). When the system is in abnormal state, the light will be on, such as STATE STATE light...
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Page 17: Inverter First Commission
Press once to stop; long time press for ON/OF “ON/OFF” 1s to get it started. 5.2 Inverter first commission Choose suitable weather, with enough sunshine, and make sure the normal operation of your solar pumping system. Try to ensure that inverter work under high output power, high output frequency as much as possible. -
Page 18: Appendix: Troubleshooting
Note! During operation, inverter 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. Inverter “ON/OFF”... - Page 19 Please check the Inverter input voltage from shutdown array and make sure when the fault Out put this voltage inside PV array appeared and energy from inverter input voltage overvoltage will array range. automatically changes. Note: In cloudy days, restart after it morning, or down, disappear.
- Page 20 Inverter Please make sure Load higher shutdown and the system is proper than rated Output will restart designed. The power output over-load automatically of pump motor power of after the fault should not be larger inverter. disappears. than inverter output. 1.
- Page 21 Please check the input voltage from Inverter array and make sure shutdown and this voltage inside Busbar PV array will restart inverter input voltage voltage output automatically range. overvoltage changes. after the fault Note: In cloudy days, disappears. morning, or down, this situation is not malfunction.
- Page 22 malfunction. Malfunction and troubleshooting Condition Condition Phenomena Cause value Troubleshooting code Name 1. Please check if Inverter there is short shutdown, circuit in output Output wire Short circuit non-recover wires. And if short circuit; fault malfunction. pump is inverter (Nonrecovera damaged.
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