Summary of Contents for Apxteck AT?MG250
- Page 1 AT‐MG250 User Manual – V1.02 AT‐MG250 Micro‐inverter Installation Manual Apxteck Renewable Technology Co., Ltd. ...
- Page 2 All rights reserved: Apxteck reserves the right to change the product and the content of this manual without WARNING. Users are recommended to visit the company website www.apxteck.com for more information about new products and latest versions of user ...
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Page 3: Table Of Contents
AT‐MG250 User Manual – V1.02 Table of Contents GENERAL INFORMATION .........................7 AT‐MG250 ‐ ............7 ENERAL NTRODUCTION FOR THE ICRO INVERTER SYSTEM & ......................8 PECIFICATIONS SHEET ARAMETERS ............................9 YMBOLS INSTALLATION PROCEDURES......................9 AT‐MG250..................9 HINGS TO BE HECKED BEFORE NSTALLING ..................10 TEP FFIX THE ERIAL UMBER TO YSTEM AT‐MG250 .....................10 TEP TTACH THE TO THE RACK ........................11 TEP ... -
Page 4: General Information
AT‐MG250 User Manual – V1.02 General Information General Introduction for the AT‐MG250 Micro‐inverter system With a revolutionary technology, AT‐MG 250 Micro‐inverter maximizes the energy conversion from photovoltaic solar modules, enhances system reliability, and greatly simplifies the installation and reduces the maintenance time and cost. Each Micro‐inverter works independently with one PV module, each PV module has individual Maximum Peak Power Tracking (MPPT) and ensures that the maximum power is exported to the ... -
Page 5: Specifications Sheet & Parameters
AT‐MG250 User Manual – V1.02 Specifications sheet & Parameters ... -
Page 6: Symbols Used
To reduce the risk of electrical shock, and to ensure the safe installation and operation of the Micro‐Inverter, please read this manual carefully and pay attention to the safety symbols appear throughout this manual. DANGER This indicates a hazardous situation, which if not avoided, will result in death or serious injury. WARNING This indicates a situation where failure to follow instructions may be a safety hazard or cause equipment malfunction. Use extreme caution and follow instructions carefully. NOTE The NOTE symbols in this manual indicate important product information. Installation Procedures Things to be Checked before Installing AT‐MG250 To install a Apxteck Micro‐inverter system, please have your installer to review following items first: Read the specifications and warnings of the AT‐MG250 Micro‐inverter, ● Type of roof material suitable for install PV system, ● Broadband Internet connection is needed for generation data upload, ● Available Ethernet socket, ... -
Page 7: Step 1: Affix The Serial Number To System Map
AT‐MG250 User Manual – V1.02 WARNING AT‐MG250 Micro‐inverter match with most PV modules, please make sure the module’s specs suitable with Micro‐inverter’s range. Step 1: Affix the Serial Number to System Map The Apxteck System Map display location of each Micro‐inverter in your system. You may create the virtual array in PowerHub as per this map. a. Peeling the serial number labels from the Micro‐inverters. b. Attaching the labels on the System Map. NOTE If additional System Map needed, please go to www.apxteck.com to download. Step 2: Attach the AT‐MG250 to the rack a. Choose the suitable method of mounting the micro inverter. b. There must be at least 10mm clearance between the enclosure of the Micro‐inverter, the roof surface and the rear of the PV module. ... -
Page 8: Step 3: Ground The System
AT‐MG250 User Manual – V1.02 Step 3: Ground the System Consider using WEEB type clips for improved earth connection. WARNING The Micro‐inverters must be grounded according to local standards. Grounding regulations may vary by market, make sure to follow local requirements. Step 4: Connecting the AT‐MG250 with PV Module AC cables a. Connect the Micro‐inverters to each other through AC interconnection cables. b. Listen for a click as connectors engage. c. Cover any unused AC connector with a sealing end cap. WARNING Do not exceed 16 pieces of AT‐MG250 Micro‐inverters connected per branch. DC cables Connect each PV modules to the Micro‐inverters. ... -
Page 9: Step 5: Connecting The At-Mg250 To The Ac Breaker
General Connecting Configuration Use the AC extension cable (5 meters) to connect the Micro‐inverter to the AC breaker inside the distribution box. The color code of each terminal is shown below. L ‐Brown Yellow/Green ‐ PE N ‐Light Blue Brown ‐ L PE ‐ Light Blue ‐ N Yellow/Green WARNING Follow the local electrical codes and National electrical codes for wiring. Step 6: Commissioning Check all above steps (1~5). b. Turn on the AC breaker of the Micro‐inverter system. WARNING Qualified personnel only may connect the Apxteck Micro‐inverter to the public grid after receiving approval from the electrical utility company. ... -
Page 10: At-Mg250 Replacement
AT‐MG250 User Manual – V1.02 WARNING AT‐MG250 Micro‐inverter is Grid‐connected device. Do not connect this unit to an AC source or any electric appliances. AT‐MG250 Replacement If the Apxteck Micro‐inverter in your system cannot work properly, please follow steps below to replace the defective Micro‐inverter. DANGER Anyone who installs or replaces the AT‐MG250 Micro‐inverter must be authorized and licensed personnel, who can ensure the safety practice of a qualified assembly, installation or replacement. Step 1: Disconnect DC cables Disconnect the DC cables between the Micro‐inverter and the PV module’s junction box. Step 2: Disconnect AC cables Press the hook on the AC connector to disconnect the AC cables. ... -
Page 11: Step 3: Loose Lay - In Lug On At-Mg250
AT‐MG250 User Manual – V1.02 Step 3: Loose lay‐in lug on AT‐MG250 Step 4: Loose the mounting screws Accessories You will find the corresponding accessories and spare parts for your Micro‐inverter system in the following table. If required, you can order them from Apxteck local distributor. ... -
Page 12: Maintenance & Led Indications
AT‐MG250 User Manual – V1.02 Maintenance & LED Indications Maintenance Safety checks should be performed at least every 12 months by a competent person. Items include, Check the operation of the inverter. See that the LED is flashing in a normal status b. Check the casing of the inverter for any signs of damage or corrosion. Check the input and output cables for signs of corrosion, rodent damage or overheating. d. Check the condition of he connector for signs of corrosion or overheating. e. Check the PV modules for build up of debris or any heat spots. LED Indications You can check the AT‐MG250 Micro‐Inverter’s LED to detect the operation conditions. ... -
Page 13: Appendix
AT‐MG250 User Manual – V1.02 Appendix Factory Limited Warranty Apxteck Micro‐inverters and PV Power Router are designed to be highly reliable, have a very long life for their originally intended purpose, able to withstand normal operating conditions andordinary wear and tear in compliance with all Apxteck user and installation manuals and instructions. The Apxteck limited product warranty covers defects in workmanship and materials for a period of twenty‐five years (for Micro‐inverter) and a period of five years (for PV Power Router) subject to the terms and conditions herein. This warranty is provided to the purchaser of the Apxteck product, and the warranty period begins with the date of sale. The warranty is valid for owners of installed systems using Apxteck Micro‐inverter and PV Power Router. During the Warranty Period, Apxteck Renewable Technology Co., Ltd. will, at its option, repair or replace defective Apxteck product free of charge, subject to Apxteck verification of defect(s) covered by this Limited Warranty. Apxteck will, at its option, use new and/or reconditioned parts in repairing or replacing defective product. Apxteck may at its discretion use parts or component of its choosing to repair or replace the defective product as original components may no longer be practically available and/or new components and/or designs have superseded the defective Apxteck product. Repaired or replaced Apxteck product continue to be warranted for the remaining term of the original warranty. This Limited Warranty does include the cost of shipping defective micro‐inverters to Apxteck and the return of repaired or replacement micro‐inverters under Apxteck’ instructions and using a freight carrier of Apxteck’ choosing. This Limited Warranty does not extend beyond the original cost of the Apxteck Micro‐inverter. To obtain repair or replacement service under this Limited Warranty, the customer must comply with the following policy and procedure: A Return Merchandise Authorization Number (RMA) must be obtained from Apxteck Renewable Technology Co., Ltd. before returning any product for repair or replacement. To issue the RMA, Apxteck requires: ... - Page 14 AT‐MG250 User Manual – V1.02 installation by the installer or system owner are not covered. 2) Labor costs to un‐install defective Apxteck Micro‐inverters(or PV Power Router)or re‐installing repaired or replaced Apxteck Micro‐inverters(or PV Power Router) are not covered. 3) Apxteck is not responsible for returned Micro‐inverters(or PV Power Router) lost, damaged or mishandled in transit. 4) Micro‐inverters(or PV Power Router)that have been misused, neglected, tampered with, altered, disassembled, modified or otherwise damaged, either internally or externally are not covered. 5) Micro‐inverters(or PV Power Router) that have been improperly installed, operated, handled or used, including use under conditions for which the product was not designed, operated in any manner that exceeds its specification, use in an unsuitable environment, or use in a manner contrary to the Apxteck user and installation manuals or in violation of applicable laws or regulations are excluded. 6) Micro‐inverters(or PV Power Router)that have been subjected to fire, submersion in water, generalized corrosion, biological infestations, acts of God, or input voltage that creates operating conditions beyond the maximum or minimum limits listed in the Apxteck Micro‐inverter(or PV Power Router)specifications or certification requirements documents, including high input voltage from generators or lightning strikes are not covered. 7) Micro‐inverters(or PV Power Router) that have been subjected to incidental or consequential damage caused by defects of other components of the solar system are not covered. 8) Micro‐inverters (or PV Power Router) where the original identification markings (including trademark or serial number) have been defaced, altered, or removed. ...
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Page 15: Wiring Diagram
AT‐MG250 User Manual – V1.02 Wiring Diagram ... -
Page 16: System Module Map
AT‐MG250 User Manual – V1.02 System Module Map ...
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