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Related Manuals for Ampt V750 Series
Summary of Contents for Ampt V750 Series
- Page 1 Ampt String Optimizer V750 Series Installation Manual 57070010-1 H hdpv.org...
- Page 2 Copyright 2017-2020 Ampt, LLC. Ampt String Optimizer V750 Series All rights reserved. Installation Manual: 57070010-1 H...
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Page 3: Read This First
® within a photovoltaic (PV) installation. The result? Energy realized All Ampt trademarks are the property of Ampt, LLC. All trademarks are recognized even if they are not marked separately. Visit www.ampt.com/trademarks for a list of Ampt trademarks. Any unauthorized use of Ampt trademarks is prohibited. All other trademarks are the property of their respective owners. -
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: Table Of Contents
DC-coupled Storage ............................ 18 Inter-row Shading Wiring Example ......................18 Output Connector Polarity .......................... 19 Chapter 3: Installing the Ampt String Optimizer ............. 21 Getting Started ........................21 Parts and Tools Needed ..........................21 Mounting and Grounding the String Optimizer ............... 22 Steps................................ - Page 8 Avis IC ................................. 34 Reference: Electrical Connection Order ................... 35 Mechanical Installation Best Practices ....................... 36 Electrical Commissioning Best Practices ....................36 Ampt Support Contacts ..........................36 Copyright 2017-2020 Ampt, LLC. Ampt String Optimizer V750 Series All rights reserved. Installation Manual: 57070010-1 H...
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Page 9: Chapter 1: Product Overview
50% with less circuitry and a higher power density. • High DC/AC – Ampt’s unique combination of output current limits and a higher DC bus voltage allows PV system designers to achieve optimal DC/AC ratios (up to 3:1). With Ampt, system owners can expand the DC power on existing systems without replacing inverters, combiners, or cables;... -
Page 10: 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 2017-2020 Ampt, LLC. Ampt String Optimizer V750 Series All rights reserved. Installation Manual: 57070010-1 H... -
Page 11: Physical Overview
The image below shows the bar code label with model and serial numbers. Bar code label Figure 3: Bar code tag with the model and serial numbers Copyright 2017-2020 Ampt, LLC. Ampt String Optimizer V750 Series All rights reserved. Installation Manual: 57070010-1 H... -
Page 12: 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. Module Imp at standard test condition (STC) - irradiation level of 1000 W/m at 25°C. -
Page 13: A Output Models
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. Module Imp at standard test condition (STC) - irradiation level of 1000 W/m at 25°C. -
Page 14: 12A Output Models
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. Module Imp at standard test condition (STC) - irradiation level of 1000 W/m at 25°C. -
Page 15: Chapter 2: Planning Installation
PV system, and explains the mating connector polarities for the inputs and output of the String Optimizer. Input Criteria This section defines the acceptable criteria for the two input connections of the Ampt String Optimizer. NOTICE The inputs of the optimizer are not intended for connection to a battery or any other type of DC source except PV modules. -
Page 16: Unacceptable Input Configurations
The number of modules on each input between parallel optimizers can vary within an array so long as they meet the criteria described in the Acceptable Input Configurations section and are within the minimum and maximum limits determined by Ampt’s design guidelines. An example is shown below. -
Page 17: Pv System Configurations
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: Dc-Coupled Storage
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: Output Connector Polarity
Ignore polarity markings on the bulkhead connectors on the output Optimizer Top View Output Mating Connectors Top View Figure 10: Output connector polarity Copyright 2017-2020 Ampt, LLC. Ampt String Optimizer V750 Series All rights reserved. Installation Manual: 57070010-1 H... -
Page 21: Chapter 3: Installing The Ampt String Optimizer
Chapter 3: Installing the Ampt 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 22: 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 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: Connecting The Inputs
Input B. Cables from PV string Figure 12: Check the polarity and gender for the PV string connecting to the Input Copyright 2017-2020 Ampt, LLC. Ampt String Optimizer V750 Series All rights reserved. Installation Manual: 57070010-1 H... - 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 2017-2020 Ampt, LLC. Ampt String Optimizer V750 Series All rights reserved. Installation Manual: 57070010-1 H...
- Page 26 9. Follow your safety procedures and protocols to measure the output voltage of the String Optimizer. It should be equal to the maximum value of the Output Voltage Range on the product label (+/- 10 volts). If it is not, contact Ampt. Optimizer...
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Page 27: Connecting The Output
Ensure locking mechanisms on wires at all times. all connectors are fully engaged Figure 17: Verify that the connectors are fully engaged Copyright 2017-2020 Ampt, LLC. Ampt String Optimizer V750 Series All rights reserved. Installation Manual: 57070010-1 H... -
Page 28: Uninstalling An Optimizer
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
4. If no current is detected, then use the Amphenol H4 connector unlocking tool to disconnect connectors in the following order: a. Output b. Input A c. Input B Copyright 2017-2020 Ampt, LLC. Ampt String Optimizer V750 Series All rights reserved. Installation Manual: 57070010-1 H... -
Page 31: 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 – 1000V) • 31570015-xxxx (12.8A models, ranging from 350 – 1300V) •... -
Page 32: Markings
75 °C/122 °F 75 °C/122 °F 75 °C/122 °F 75 °C/122 °F Enclosure type IP 66/4X IP 66/4X IP 66/4X IP 66/4X IP 66/4X Copyright 2017-2020 Ampt, LLC. Ampt String Optimizer V750 Series All rights reserved. Installation Manual: 57070010-1 H... -
Page 33: 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 34: 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 35: Reference: Electrical Connection Order
Failure to follow the prescribed connection order Inverter/PCS can result in damage to the device. Note: Disconnect in reverse order. Output, Input A, Input B Copyright 2017-2020 Ampt, LLC. Ampt String Optimizer V750 Series All rights reserved. Installation Manual: 57070010-1 H... -
Page 36: Mechanical Installation Best Practices
Ground according to local codes using the grounding stud or a listed bonding washer. • Ensure that optimizers are oriented with connectors facing down unless otherwise specified by Ampt. • Keep optimizer in a covered location and free from pooling water. - Page 38 Copyright 2017-2020 Ampt, LLC. Ampt String Optimizer V750 Series All rights reserved. Installation Manual: 57070010-1 H...
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