1
Overview
1.1 Product Overview
This manual will provide detailed product information and installation instructions for users
of Shenzhen Growatt New Energy Co., Ltd. (Short as Growatt) MAX 175-253KTL3-X HV
series solar inverters. Please read this manual carefully before using this product, and store
this manual in a place that is convenient for installation, operation, and maintenance
personnel. No further notice if there is any change in this manual.
1.2 Applicable Personnel
Only qualified electrical technicians are allowed to install inverter. With reading through
this manual and following all the precautions, qualified electrical technician can properly
install MAX 175-253KTL3-X HV serial inverter, finish trouble shooting and
communication settings.
If there is any problem during the installation, the installer can either log on
www.ginverter.com and leave a message or call consumer service h86
75527471942.
2
Safety Precautions
2.1 Safety Overview
1>Before installation please make sure reading through this manual, any damage cause
by improper installation, Growatt reserve the right to disclaim any warranty.
2>All the operations and connections must be done by trained qualified electrical
technician.
3>During installation except for terminals, do not touch any inside part of the inverter.
4>All the electrical connections must meet local country's safety regulations.
5>If you need maintenance for this inverter, please contact our local authorized
installing and maintenance technician.
6>You must get the local power supplier's permit before connecting this inverter to the
grid.
H a n d l e P ro c e s s
：
Installation
：
Electrical Connecttions:
Maintenance and replacement
:
•The inverter is heavy,please treat with care while handling,in case of
crushing injury.
•Before installation,please read through this manual,any damage
cause by improper installation,Growatt reserve the right to disclaim
any warranty.
•Ensure that the inverter is not connected to a power supply and is not
power on before installation.
•Before electrical connection, please ensure the inverter DC switch is
at "OFF” also disconnect AC switch, otherwise the high voltage from
inverter may cause life risk.
•Only trained authorized electrical technician can do the electric
connection also please follow the connection procedures in this
manual along with local country's regulations.
•High
voltage
may
cause
electric
shocks
and
serious
injury
please
do
not
touch
the
inverter
.
•Please do not store inverter in area with flammable and explosive
material.
•Must be installed by trained and authorized electrical technician and
accurately follow this manual.
•Please disconnect the DC and AC switch for at least five minutes, all
the operations should be carried after power disconnection.
•If there is PV isolation low alarm, the inverter case may be ungrounded,
please do not touch the inverter case.
•High voltage of inverter may result in electric shock.
•Each inverter must install one AC breaker; AC breaker is forbidden to
share with other inverters
•It is forbidden to add load between inverter and breaker
.
•If the cable is thick, after tightening the cable do not shake it and
ensure the cable is well-connected and then start the inverter.Loose
connection may cause overheat.
•Before connecting between PV panels and inverter please ensure the
positive and negative poles are correct connected.
•Do not use air pump to clean the fans, cause it may damage the fans.
•For better cooling purpose, please regularly clean the fans.
1
2
•Please follow this installation manual as installation condition
environment, space and so on.
•Please install the inverter in a dry and ventilated environment
otherwise may affect the performance of the inverter.
•Please follow the installation procedures in this manual.
WARNING
WARNING
DANGER
DANGER
DANGER
NOTICE
WARNING
WARNING
