1.1 Validity
This manual describes the assembly, installation, commissioning and maintenance of the
following Growatt Inverter model:
MID 10KTL3-X
MID 12KTL3-X
MID 15KTL3-X
MID 17KTL3-X
MID 20KTL3-X
MID 22KTL3-X
MID 25KTL3-X
This manual does not cover any details concerning equipment connected to the MID TL3-
X and
( e.g. PV modules). Information concerning the connected equipment
is available from the manufacturer of the equipment.
MID 6KTL3-XL
MID 8KTL3-XL
MID 10KTL3-XL
MID 11KTL3-XL
MID 12KTL3-XL
MID TL3-XL
This manual is for qualified personnel. Qualified personnel have received training and
have demonstrated skills and knowledge in the construction and operation of this
device. Qualified Personnel are trained to deal with the dangers and hazards involved in
installing electric devices.
1
Notes on this Manual
1.2 Target Group
1.3 Additional Information
Find further information on special topics in the download area at
.
The manual and other documents must be stored in a convenient place and be available
at all times. We assume no liability for any damage caused by failure to observe these
instructions. For possible changes in this manual, GROWATT
NEW ENERGY
TECHNOLOGY CO.,LTD accepts no responsibilities to inform the users.
1.2 Foreword
This manual will provide detailed product information and installation instructions for
users of Shenzhen Growatt New Energy Co., Ltd. (hereinafter referred to as Growatt New
Energy) MID TL3-X series PV inverters. Please read this manual carefully before using this
product. Any changes to this manual by Growatt New Energy will not be notified to the
user.
2.2 Applicable Personnel
The inverter must be installed by a professional electrician qualified by the relevant
department. By reading this manual in detail, the installer can install the MID TL3-X series
inverters correctly and quickly, and can perform troubleshooting and communication
system setup.
If there are any problems during the installation process, the installer can log on to
www.growatt.com to leave a message or call our 24-hour service number: 400-833-
9981.
2.3 Product Overview and Features
2.3.1 Product overview
The Growatt series of photovoltaic inverters are used to convert the direct current
generated by photovoltaic panels into alternating current and deliver them to the grid in
three phases. The Growatt MID
TL3-X
and
MID
TL3-XL series inverters can be connected
to two strings and have two maximum power tracking point trackers, so it is suitable for
connecting two different arrays of panels.
position
description
A
Solar panel
B
DC circuit breaker
C
Inverter
D
AC circuit breaker
E
Energy meter
F
Utility grid
As shown in Figure above, a complete PV grid-connected system includes PV modules,
PV inverters, public grids, and other components. In photovoltaic module systems,
photovoltaic inverters are the key component.
Note: If the selected PV module requires the positive or negative grounding, please
contact Growatt for technical support before installation.
2 Introduction
fig2.1 Connecting to the grid
MID 10KTL3-X
MID 6KTL3-XL MID 12KTL3-X
MID 8KTL3-XL MID 15KTL3-X
MID 10KTL3-XL MID 17KTL3-X
MID 11KTL3-XL MID 20KTL3-X
MID 12KTL3-XL MID 22KTL3-X
MID 25KTL3-X
