Qualification Of Skilled Person; Safety Instructions - Growatt MOD TL3-XH Series Installation & Operation Manual

Simple installation
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Integrated with AC power supply function to realize the 24h self-consumption
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monitoring

2.2 Qualification of skilled person

This grid-tied inverter system operates only when properly connected to the AC
distribution network. Before connecting the MOD TL3-XH to the power distribution
grid, contact the local power distribution grid company. This connection must be
made only by qualified technical personnel to connect, and only after receiving
appropriate approvals, as required by the local authority having jurisdiction.

2.3 Safety instructions

1.Please read this manual carefully before installation.If you fail to install
according to the instructions in this manual,or ignore the warnings in the manual
and the equipment is damaged,our company reserves the right not to guarantee
the quality;
2.All operations and wiring should be finished by the professional electrical or
mechanic-
al engineers;
3.During installation,except for the wiring terminals,please do not move other
parts inside the chassis;
4.All electrical installations must comply with local electrical safety standards;
5.If the machine needs maintenance,please contact the local designated system
installation and maintenance personnel;
6.The use of this machine for grid-connected power generation requires
permission from the local power supply department;
7.When installing photovoltaic modules during the day,use opaque materials to
cover the photovoltaic modules,otherwise the voltage at the module terminals will
2.3.1 Assembly Warnings
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Before installation, pleae check the unit to ensure that there is
no transportation or handling damage, which may affect the
insulation integrity or safety clearances; otherwise, it may cause
safety hazards.
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Follow the instructions in this manual to assemble the inverter.
Note that select the suitable mounting location and comply with
the specified requirements of cooling.
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Unauthorized removal of necessary protections, improper use,
incorrect installation and operation may lead to serious safety
WARNING
and shock hazards and/or equipment damage.
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In order to minimize the possibility of shock hazards due to
dangerous voltages, cover the entire solar array with dark
colored materials before connecting the array to any equipment.
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Grounding the PV modules：MOD TL3-XH is a transformerless
inverter. which means there is no galvanic separation. Do not
grounding the DC side of the MODTL3-XH inverter. Only
grounding the mounting frame of the photovoltaic module.
Otherwise there will be an error message "PV ISO Low".
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Comply with the local requirements for grounding the PV
modules and the PV generator. GROWATT recommends
connecting the generator frame and other electrically
CAUTION
conductive surfaces in a manner which ensures continuous
conduction with ground in order to have optimal protection of the
system and personnel.
2.3.2 Electrical Connection Warnings
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The components in the inverter are live. Touching live
components can result in serious injury or death.
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Do not open the inverter except the wire box by qualified persons.
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Electrical installation, repairs and conversions may only be
carried out by electrically qualified persons.
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Forbid live line work.
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Danger to life due to high voltages in the inverter
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There is residual voltage in the inverter after the device shutdown.
The inverter need to take 20 minutes to discharge for safety.
DANGER
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Persons with limited physical or mental abilities may only work
with the Growatt inverter following proper instruction and under
constant supervision. Must keep the Growatt inverter away
from children.
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Make all electrical connections (e.g. conductor termination,
fuses, PE connection, etc.) in accordance with prevailing
regulations. When using the inverter to provide the power,
adhere to all prevailing safety regulations to minimize risk of
accidents.
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Systems with inverters typically require additional control
WARNING
(e.g., switches, disconnects) or protective devices (e.g., fusing
circuit breakers) depending upon the prevailing safety rules.
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