Ampt V600-13.5-13.5 Installation Manual

String optimizer

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Ampt String Optimizer
V600-13.5-13.5
V600-13.5-12.8
Installation Manual
57070020-1 A
©2021 Ampt LLC

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Summary of Contents for Ampt V600-13.5-13.5

  • Page 1 Ampt String Optimizer V600-13.5-13.5 V600-13.5-12.8 Installation Manual 57070020-1 A ©2021 Ampt LLC...
  • Page 2 Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved. Installation Manual: 57070020-1 A...
  • Page 3: Read This First

    Copyright 2021 Ampt LLC. All rights reserved. No part of this document may be reproduced, retransmitted, or copied in any form without the expressed and written permission of Ampt. This document contains information needed to install and commission an Ampt optimizer ®...
  • Page 4: Important Safety Instructions

    Important Safety Instructions This manual contains important instructions for Ampt optimizers that shall be followed during installation and maintenance. The optimizer has been designed and tested according to international safety requirements, but requires certain precautions are observed when installing and/or operating the optimizer. To reduce the risk of personal injury and to ensure the safe installation and operation of the optimizer, please be sure you carefully read and follow all instructions and safety messages in this manual.
  • Page 5: General Safety

    Before installing or using the Ampt optimizer, read all of the instructions and safety messages on the optimizer and in this manual. Follow the safety precautions for this product as well as the other components in the PV system.
  • Page 6: Disclaimer Of Liability

    (with no limitation) any implied warranties of utility, merchantability, or fitness for any particular purpose. All such warranties are expressly disclaimed. Ampt shall not be liable for any indirect, incidental, or consequential damages under any circumstances. (The exclusion of implied warranties may not apply in all cases under some statutes, and thus the above exclusion may not apply.)
  • Page 7: Before You Begin

    Using Optional Wireless Communication NOTICE If the String Optimizers are being used with optional wireless communication, then refer to the Ampt Communication Unit (Ampt CU) manual for important requirements related to the String Optimizer installation. Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved.
  • Page 9: Table Of Contents

    Making Electrical Connections ....................23 Connection/Disconnection Order Matters .................... 24 Connecting the Inputs .......................... 24 Connecting the Output ......................... 27 Disconnecting the Output and Inputs ..................28 Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved. Installation Manual: 57070020-1 A...
  • Page 10 Reference: Electrical Connection Order ..................35 Handling and Storage Best Practices ..................... 36 Mounting Best Practices ........................36 Electrical Connections Best Practices ....................36 Ampt Support Contacts ........................36 Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved.
  • Page 11: Chapter 1: Product Overview

    PV systems and energy storage systems. • Dual MPPT per optimizer - Ampt String Optimizers put maximum power point tracking on each of its two input strings of PV modules. This mitigates or eliminates mismatch losses to deliver more energy under changing environmental and system conditions over the lifetime of the power plant.
  • Page 12: Dimensional Drawings

    Dimensional Drawings The dimensions for the String Optimizer shown below are in millimeters and inches. 8.66” 8.19” Figure 1: Dimensional drawings Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved. Installation Manual: 57070020-1 A...
  • Page 13: Physical Overview

    The image below shows the bar code label with model and serial numbers. Do NOT remove this label. Removing any label from the optimizer voids warranty. Bar code label Figure 3: Bar code tag with the model and serial numbers Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved. Installation Manual: 57070020-1 A...
  • Page 15: Chapter 2: Understanding Electrical Configurations

    Ungrounded PV Arrays Figure 4: Electrical connections for an ungrounded PV array Grounded PV Arrays (positive or negative) Figure 5: Electrical connections for a grounded PV array Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved. Installation Manual: 57070020-1 A...
  • Page 16: Input Criteria

    Input Criteria In the figures that follow, the number of modules connected in series is representative only. Follow Ampt’s design guidelines to determine the number of modules for each input. Acceptable Input Configurations It is common for inputs A and B to have the same number of modules (i.e. A = B). However, if the number of modules between inputs is different, then input A can have one more module than input B (i.e.
  • Page 17: Acceptable Input Configurations Between Parallel Optimizers

    National Electrical Code (ANSI/NFPA 70); Canadian Electrical Code, Part I; or the applicable standards, codes, and regulations for your region. The output current limit of the Ampt String Optimizer eliminates the need for the 1.25 multiplication factor for over-sun conditions when calculating ampacity. The 1.25 multiplier for continuous use is still required.
  • Page 18: Inter-Row Shading Wiring Example

    Inter-row Shading Wiring Example When inter-row shading is expected, the best practice is to wire the modules on the two inputs of the Ampt String Optimizer to be on the same row as shown below. Ampt String Optimizer to combiner...
  • Page 19: Chapter 3: Installing The String Optimizer

    Chapter 3: Installing the String Optimizer Getting Started This chapter addresses the proper mounting and installation of the Ampt String Optimizer. Read the entire chapter before starting the procedures and then conduct each task in the order given. Parts and Tools Needed •...
  • Page 20: Mounting And Grounding The String Optimizer

    All electrical installations must be done in accordance with the local and National Electrical Code ANSI/NFPA 70; Canadian Electrical Code, Part I; or the applicable standards, codes, and regulations for your region. The Ampt optimizer is to be installed so that it is not expected to be contacted by persons. CAUTION Keep connectors dry and clean.
  • Page 21: Steps

    Optimizer coating is 4 mil (0.1 mm). 4. Verify that the optimizer is adequately grounded using continuity tester. Figure 10: Ampt String Optimizer mounted and grounded Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved.
  • Page 22: Understanding Connector Polarity

    Ignore polarity markings on the bulkhead connectors on the output Optimizer Top View Output Mating Connectors Top View Figure 11: Output connector polarity Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved. Installation Manual: 57070020-1 A...
  • Page 23: Making Electrical Connections

    CAUTION Read the caution statements below: To reduce the risk of fire, connect the outputs of the Ampt equipment only to conductors with sufficient ampacity based on the maximum output fault current (maximum optimizer output current) for the chosen optimizer. Over- current protection devices and conductors shall be sized in accordance with the National Electrical Code (ANSI/NFPA 70);...
  • Page 24: Connection/Disconnection Order Matters

    Input B. Cables from PV string Figure 12: Check the polarity and gender for the PV string connecting to the Input Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved.
  • Page 25 8. Connect the series of modules for Input A to the String Optimizer. Ensure that the locking mechanisms on the connectors are fully engaged. Figure 14: Connecting Input A Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved.
  • Page 26 10. If you are connecting the output now, then proceed to the next section. Otherwise, use Amphenol Sealing Caps to protect the connectors until the output is connected. Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved. Installation Manual: 57070020-1 A...
  • Page 27: Connecting The Output

    Pay special attention when in-line fuses are used and/or when mounted on a tracker. Figure 17: Verify that the connectors are fully engaged Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved. Installation Manual: 57070020-1 A...
  • Page 28: Disconnecting The Output And Inputs

    CAUTION Read that caution statements below: The Ampt product contains no user-serviceable parts. All repairs and maintenance should be handled in accordance with the instructions and terms contained in the product warranty. The surface of the optimizer may be hot.
  • Page 29: Steps

    Input B 5. If the PV cables will not be immediately reconnected, use Amphenol sealing caps on the optimizer connectors to protect the unit from water and debris ingress. Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved.
  • Page 30: Appendix

    The box is not meant to be user serviced or opened in any way. Model Numbering System The model numbers for Ampt String Optimizers are in the following format: • 31570017-xxxx (13.5A models, ranging from 350 – 1300V) • 31570015-xxxx (12.8A models, ranging from 350 – 1300V) …where xxxx equals voltage of the unit (e.g.
  • Page 31: Fcc Compliance

    The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. IMPORTANT! Changes or modifications not expressly approved by Ampt, LLC could void the user’s authority to operate the equipment.
  • Page 32: Avis Ic

    L'antenne (s) utilisé pour cet émetteur doit être installé pour fournir une distance de séparation d'au moins 20 cm de toute personne. IMPORTANT! Les changements ou modifications non expressément approuvés par Ampt, LLC pourraient annuler l'autorité de l'utilisateur à utiliser l'équipement.
  • Page 33: Specifications

    Giteki 2-1-19; FCC Part 15, class A 1. Voc at coldest design temp. Follow Ampt’s design guidelines to determine the number of modules per input and max. system voltage. 2. Maximum Imp of modules on the input at standard test condition (STC) - irradiation level of 1000 W/m² at 25°C.
  • Page 34: A Models (V550 - V600)

    Giteki 2-1-19; FCC Part 15, class A 1. Voc at coldest design temp. Follow Ampt’s design guidelines to determine the number of modules per input and max. system voltage. 2. Maximum Imp of modules on the input at standard test condition (STC) - irradiation level of 1000 W/m² at 25°C.
  • Page 35: Reference: Electrical Connection Order

    Note: Disconnect in reverse order (Output, Input A, Input B) using an Amphenol order can result in damage to the device. connector unlocking tool for H4 connectors (e.g. Amphenol p/n: H4TU0000) Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved.
  • Page 36: Handling And Storage Best Practices

    • If using wireless communication, keep the antenna (located on the opposite side of the connectors) clear from obstructions. Line of sight from the optimizer to the Ampt Communication Unit (CU) is recommended. See Ampt CU manual for more information.
  • Page 38 Copyright 2021 Ampt LLC. V600-13.5 String Optimizer Platform All rights reserved. Installation Manual: 57070020-1 A...

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V600-13.5-12.8

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