Powmr PV 18A 145VDC Grid 60A 220VAC From 1KW To 5KW Hybrid Solar Inverter Charger With Parallel

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Powmr PV 18A 145VDC Grid 60A 220VAC From 1KW To 5KW Hybrid Solar Inverter Charger With Parallel

INTRODUCTION

This hybrid PV inverter can provide power to connected loads by utilizing PV power, utility power and battery power.

Depending on different power situations, this hybrid inverter is designed to generate continuous power from PV solar modules (solar panels), battery, and the utility. When MPP input voltage of PV modules is within acceptable range (see specification for the details), this inverter is able to generate power to feed the grid (utility) and charge battery. Galvanic isolation designed between PV/DC and AC output, so that user could connect any type of PV array to this Hybrid inverter. See Figure 1 for a simple diagram of a typical solar system with this hybrid inverter.

Product Overview

  1. LCD display
  2. Status indicator
  3. Charging indicator
  4. Fault indicator
  5. Function buttons
  6. Power on/off switch
  7. Grid connectors
  8. AC output connectors (Load connection)
  9. PV connectors
  10. Battery connectors
  11. Circuit breaker
  12. Parallel communication cable

INSTALLATION

Unpacking and Inspection

Before installation, please inspect the unit. Be sure that nothing inside the package is damaged. You should have received the following items inside of package:

  • The unit x 1
  • User manual x 1
  • Communication cable x 1
  • Software CD x 1

Preparation

Before connecting all wirings, please take off bottom cover by removing two screws as shown below.

Install the unit by screwing three screws. It's recommended to use M4 or M5 screws.

Battery Connection

CAUTION: For safety operation and regulation compliance, it’s requested to install a separate DC over-current protector or disconnect device between battery and inverter. It may not be requested to have a disconnect device in some applications, however, it’s still requested to have over-current protection installed. Please refer to typical amperage in below table as required fuse or breaker size.

WARNING! All wiring must be performed by a qualified personnel.

WARNING! It's very important for system safety and efficient operation to use appropriate cable for battery connection. To reduce risk of injury, please use the proper recommended cable and terminal size as below.

Recommended battery cable and terminal size:

Please follow below steps to implement battery connection:


  1. Assemble battery ring terminal based on recommended battery cable and terminal size.
  2. Insert the ring terminal of battery cable flatly into battery connector of inverter and make sure the bolts are tightened with torque of 2-3 Nm. Make sure polarity at both the battery and the inverter/charge is correctly connected and ring terminals are tightly screwed to the battery terminals.

AC Input/Output Connection

CAUTION!! Before connecting to AC input power source, please install a separate AC breaker between inverter and AC input power source. This will ensure the inverter can be securely disconnected during maintenance and fully protected from over current of AC input.

CAUTION!! There are two terminal blocks with “IN” and “OUT” markings. Please do NOT mis-connect input and output connectors.

WARNING! All wiring must be performed by a qualified personnel.

WARNING! It's very important for system safety and efficient operation to use appropriate cable for AC input connection. To reduce risk of injury, please use the proper recommended cable size as below.

Suggested cable requirement for AC wires

Please follow below steps to implement AC input/output connection:
  1. Before making AC input/output connection, be sure to open DC protector or disconnector first.
  2. Remove insulation sleeve 10mm for six conductors. And shorten phase L and neutral conductor N 3 mm.

PV Connection

CAUTION: Before connecting to PV modules, please install separately a DC circuit breaker between inverter and PV modules.

WARNING! All wiring must be performed by a qualified personnel.

WARNING! It's very important for system safety and efficient operation to use appropriate cable for PV module connection. To reduce risk of injury, please use the proper recommended cable size as below.

PV Module Selection:


When selecting proper PV modules, please be sure to consider below parameters:

  1. Open circuit Voltage (Voc) of PV modules not exceeds max. PV array open circuit voltage of inverter.
  2. Open circuit Voltage (Voc) of PV modules should be higher than min. battery voltage.

Communication Connection

Please use supplied communication cable to connect to inverter and PC. Insert bundled CD into a computer and follow on-screen instruction to install the monitoring software. For the detailed software operation, please check user manual of software inside of CD.

Dry Contact Signal

There is one dry contact (3A/250VAC) available on the rear panel. It could be used to deliver signal to external device when battery voltage reaches warning level.



Product Specification

Correct Connecting Order : Battery - solar panel - load

Disconnect : solar panel - battery - load



User Manual (Powmr-V-1KW-5KW-manual.pdf, 3,260 Kb) [Download]