Huayu(Ningbo)New Energy Technologies Co.,Ltd. All rights reserved.
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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.
PLEASE READ THIS MANUAL BEFORE INSTALLATION. ANY DAMAGE TO THE PRODUCT DUE TO NOT
FOLLOWING THIS MANUAL IS NOT COVERED BY THE WARRANTEE.
BESIDES THE CABLE CONNECTORS, NOTHING INSIDE THE MONITORING DATA LOGGER SHOULD
BE MODIFIED.
ALL INSTALLATION SHOULD FOLLOW THE LOCAL ELECTRIC CODES.
HY-MDL/HY-MDL-3 DOES NOT INCLUDE COMPONENTS THAT CAN BE SERVED BY CUSTOMERS.
PLEASE CONTACT AUTHORIZED SERVICE AGENTS FOR ANY SERVICE WORK.
1. Introduction
01
1.1 Prefix
1.2 How to Use this Manual
1.3 Safety Instruction
Company Profile
Huayu New Energy is dedicated to be a world’s leading “Safe & Smart Solar Energy” supplier for homeowners.
“For our home energy independence” is a vision deserved for all people who truly trust clean energy is the future for
our children, whatever you’re from rich families or low-income families.
Since the establishment of Huayu New Energy, we specialize in R&D of Safe Module-Level Solar Solution and Smart
Energy Storage Solution which are controlled by Huayu Portal Management Platform with over 10 languages, these
innovative technologies are developed to configure a Smart Distributed Solar System with bidirectional flow of energy
which no doubt is the basic infrastructure of our future Energy Internet.
Featured with “Renewable, Distributed, Interconnected, Open & Intelligent”, Energy Internet is a must for human
beings in 21st century to realize a de-monopolistic & de-centralized sustainable power supply system across the
globe. Huayu New Energy was born to be the leader of “Safe & Smart” distributed energy solution and play an
irreplaceable role for the most exciting renewable energy revolution in human history.
Till today, we have delivered thousands of Huayu microinverters(300-2000W)and Huayu storage inverters(3-12kW)for
global families and small businesses in Europe, North America, LATAM, South East Asia, Middle East and Africa.
Together with us, to be a part of game changer for “Safe & Smart Energy” via “Honesty, Trust, Teamwork & Sharing”.
Dear customer, thank you for choosing the HY-MDL/HY-MDL-3 communication monitoring data logger for Huayu
micro inverters. We hope you will find our products meet your need for renewable energy. Meantime, we appreciate
your feedback regarding our products.
This manual provides detailed product information and installation instructions for the HY-MDL/HY-MDL-3 monitoring
data logger. Please read through this manual before installation and operation.