2Enteligent NMax M900A1 Installation Manual Version 1.0
1. Important safety instructions
This manual contains important instructions for Enteligent NMax M900A1
RSD with Optimization that shall be followed during installation and
maintenance.
Install the product in strict accordance with the installation manual.
Risk of electric shock. Do not disassemble,or repair the unit, no user
serviceable parts inside. Refer servicing to qualified service personnel.
Before installing or using the Enteligent NMax M900A1,please read all
instructions and warning markings on the Enteligent NMax M900A1
product, appropriate sections of your inverter manual,photovoltaic (PV)
module installation manual,and other available safety guides.
Only certified electricians are allowed to install,maintain,troubleshoot,
and replace the optimizer.Enteligent NMax M900A1 does not assume
liability for loss or damage resulting from improper handling,installation,
or misuse of products.
Before making connections to Enteligent NMax M900A1,ensure the
optimizer is not damaged.Check existing cables and connectors, ensuring
they are in good condition and appropriate in rating. Do not operate the
Enteligent NMax M900A1 with damaged or substandard wiring or
connectors.Enteligent NMax M900A1 must be mounted on the high end
of the PV module frame,and in any case above ground.
Do not connect or disconnect under load. Turning off the Inverter and/or
the Enteligent NMax M900A1 may not reduce this risk.Internal capacitors
within the inverter can remain charged for several minutes after disconnect-
-ing all power sources. Verify capacitors have discharged by measuring
voltage across inverter terminals prior to disconnecting wiring if service is
required.
Wait 30 seconds after rapid shutdown activation before disconnecting DC
cables or turning off DC disconnect.
To allow proper heat dissipation and installation,maintain appropriate
clearances between the optimizer and other objects.
Before maintenance, power off the optimizer and strictly comply with the
safety precautions in this document and associated documents to operate
the optimizer.
Failure to adhere to these instructions may result in injury or death, damage
to the system, or voiding the factory warranty.
