Installation Manual

Copyright 2020 Ampt, LLC.
All rights reserved.
PRELIMINARY
7
String Optimizer V1500-30 Series
Installation Manual: 57070016-1
v20201023
Table of Contents
Read This First ......................................................................................................................... 3
IMPORTANT SAFETY INSTRUCTIONS ............................................................................................................. 4
Safety Message Types ................................................................................................................................... 4
General Safety ............................................................................................................................................... 5
Disclaimer of Liability .................................................................................................................................... 6
Chapter 1: Product Overview .......................................................................................... 9
Dimensional Drawings ........................................................................................................... 10
Physical Overview .................................................................................................................. 11
Bar Code Label ....................................................................................................................... 11
Specifications ......................................................................................................................... 12
V1500-30 Series .......................................................................................................................................... 12
Chapter 2: Planning Installation..................................................................................... 13
Overview ............................................................................................................................... 13
PV System Configurations ...................................................................................................... 13
Ungrounded PV Systems ............................................................................................................................. 13
Resistively Grounded PV Systems (positive or negative) ............................................................................ 13
Acceptable Input Configurations ............................................................................................ 14
Optimizer Input Requirements ................................................................................................................... 14
Fuses ..................................................................................................................................... 15
Understanding Maximum Output Current and Fuse Sizing ........................................................................ 15
Input Fuses .................................................................................................................................................. 15
Two-in-Portrait Wiring ........................................................................................................... 16
DC-coupled Storage ............................................................................................................... 16
Connector Polarity ................................................................................................................. 17
Chapter 3: Installing the Ampt String Optimizer ............................................................. 18
Getting Started ...................................................................................................................... 18
Parts and Tools Needed .............................................................................................................................. 18
Mounting and Grounding the String Optimizer ....................................................................... 19
Steps............................................................................................................................................................ 19
Making Electrical Connections ................................................................................................ 20
Connection/Disconnection Order Matters ................................................................................................. 21
Connecting the Inputs ................................................................................................................................. 21
Connecting the Output ............................................................................................................................... 24
Uninstalling an Optimizer ....................................................................................................... 25
Parts and Tools Needed .............................................................................................................................. 25