Growatt 8000MTLP-S User manual

Installation
&
Operation Manual
Shenzhen Growatt New Energy Technology CO.,LTD
No.28 Guangming Road, Shiyan Street, Bao’an District,
Shenzhen, P.R.China
No.28 Guangming Road, Shiyan Street, Bao’an District,
Shenzhen, P.R.China
GR-UM-157-A-00
[phone] [phone]
www.ginverter.comwww.ginverter.com
T
E
W
[e-mail]@ginverter.com
Download
Manual
Growatt New Energy
Growatt 8000MTLP-S
Growatt 9000MTLP-S
Growatt 10500MTLP-S

list
1 Notes on this manual
2 Safety
3.1 MTLP-S Overview
3.2 Type label
3.3 Size and weight
3.4 Storage of Inverter
3.5 The advantage of the unit
2.1 Intended Use
2.2 Qualification of skilled person
2.3 Safety instruction
2.4 Assembly Warnings
2.5 Electrical Connection Warnings
2.6 Operation Warnings
1.1 Validity
1.2 Target Group
1.3 Additional information
1.4 Symbols in this document
1.5 Glossary
3 Product description
4 Unpacking and inspection
5 Installation
5.1 Safety instructions
5.2 Selecting the installation location
5.3 Mounting the Inverter

6.1 Safety
6.2 Wiring AC Output
6.3 RS485 Connection
6.4 RS232 Connection
6.5 Connecting the second protective
conductor
6.6 Connecting the PV Array(DC input)
6.7 Using shinetool to set the
information of the inverter
6.8 Grounding the inverter
12.1 Dismantling the Inverter
12.2 Packing the Inverter
12.3 Storing the Inverter
12.4 Disposing of the Inverter
13.1 Specification
13.2 DC connector info
13.3 Torque
13.4 Accessories
6 Electrical connection
12 Decommissioning
7 Commissioning
13 Technical Data
14 PV system installation
7.1 LCD display
7.2 Setting the LCD display
7.3 Communications
8.1 Start-Up the inverter
8.2 Turn-off the Inverter 15.1 List
15.2 Download Address
9.1 Checking Heat Dissipation
9.2 Cleaning the Inverter
9.3 Checking the DC Disconnect
10.1 Errors(E)
10.2 Warnings(w)
8 Start-Up and shut down
the inverter 15 Compliance Certificates
16 Contact
9 Maintenance and Cleaning
10 Trouble shooting
11 Manufacturer Warranty

1 Notes on this manual
1.1 Validity
1
2
1.2 Target Group
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.
1.3 Additional information
Find further information on special topics in the download area at www.ginverter.com
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.
1.4.2 Markings on this product
1.4 Symbols in this document
1.4.1 Symbols in this document
A warning describes a hazard to equipment or personnel. It calls attention to a
procedure or practice, which, if not correctly performed or adhered to, could result in
damage to or destruction of part or all of the Growatt equipment and/or other
equipment connected to the Growatt equipment or personal injury.
This manual describes the assembly, installation, commissioning and maintenance of
the following Growatt Inverter model:
Growatt 8000MTLP-S
Growatt 9000MTLP-S
Growatt 10500MTLP-S
This manual does not cover any details concerning equipment connected to the
MTLP-S( e.g. PV modules). Information concerning the connected equipment is
available from -the manufacturer of the equipment.
CAUTION
CAUTION indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
NOTICE is used to address practices not related to personal
injury.
Information that you must read and know to ensure optimal
operation of the system.
NOTICE
Information
WARNING
DANGER
Symbol description
DANGER indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
WARNING indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
Symbol Explanation
Electrical voltage!
Point of connection for grounding protection
Risk of burns
Alternating Current (AC)
Risk of fire or explosion！
Direct Current (DC)
Operation after 5 minutes
Read the manual
CE mark.
The inverter complies with the requirements of the applicable
CE guidelines.
The inverter must not be disposed of with the household
waste.
The inverter has no transformer.

1.5 Glossary
4
3
AC
Abbreviation for "Alternating Current"
DC
Abbreviation for "Direct Current"
Energy
Energy is measured in Wh (watt hours), kWh (kilowatt hours) or MWh (megawatt
hours). The energy is the power calculated over time. For example, your inverter
operates at a constant power of 4600 W for half an hour and then at a constant power
of 2300 W for another half an hour, it has fed 3450Wh of energy into the power
distribution grid within that hour.
Power
Power is measured in W (watts), kW (kilowatts) or MW (megawatts). Power is an
instantaneous value. It displays the power your inverter is currently feeding into the
power distribution grid.
Power rate
Power rate is the radio of current power feeding into the power distribution grid and
the maximum power of the inverter that can feed into the power distribution grid.
Power factor
Power factor is the ratio of true power or watts to apparent power or volt amps. They
are identical only when current and voltage are in phase than the power factor is 1.0.
The power in an ac circuit is very seldom equal to the direct product of the volts and
amperes. In order to find the power of a single phase ac circuit the product of volts and
amperes must be multiplied by the power factor.
PV
Abbreviation for photovoltaic.
Wireless communication
The external wireless communication technology is a radio technology that allows the
inverter and other communication products to communicate with each other. The
external wireless communication does not require line of sight between the devices
and it is selective purchasing.
2 Safety
2.1 Intended Use
2.2 Qualification of skilled person
2.3 Safety instruction
The unit converts the DC current generated by the photovoltaic (PV) modules to grid-
compliant alternating current and performs single-phase feed-in into the electricity
grid.Growatt 8000MTLP-S, Growatt 9000MTLP-S, Growatt 10500MTLP-S inverters
are built according to all required safety rules. Nevertheless, improper use may cause
lethal hazards for the operator or third parties, or may result in damage to the units
and other property.
Principle of a PV plant with thisGROWATT XXXX MTLP-S single-phase inverter
Position Description
A
B
C
D
E
F
PV modules
DC load circuit breaker
AC load circuit breaker
Energy meter
Utility grid
Growatt MTLP-S Inverter
ABC D E F
The inverter may only be operated with a permanent connection to the public power
grid. The inverter is not intended for mobile use. Any other or additional use is not
considered the intended use. The manufacturer/supplier is not liable for damage
caused by such unintended use. Damage caused by such unintended use is at the
sole risk of the operator.
PV modules Capacitive Discharge Currents
PV modules with large capacities relative to earth, such as thin-film PV modules with
cells on a metallic substrate, may only be used if their coupling capacity does not
exceed 470nF. During feed-in operation, a leakage current flows from the cells to
earth, the size of which depends on the manner in which the PV modules are installed
(e.g. foil on metal roof) and on the weather (rain, snow). This "normal" leakage current
may not exceed 50mA due to the fact that the inverter would otherwise automatically
disconnect from the electricity grid as a protective measure.
This grid-tied inverter system operates only when properly connected to the AC -
distribution network. Before connecting the MTLP-S 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.
The GROWATT MTLP-S Inverters is designed and tested according to international
safety requirements（IEC61727/62116,INMETRO）; however, certain safety
precautions must be observed when installing and operating this inverter. Read and
follow all instructions, cautions and warnings in this installation manual. If questions
arise, please contact Growatt's technical services at [phone].

56
2.5 Electrical Connection Warnings
ØPrior to installation, inspect the unit to ensure absence of any
transport or handling damage, which could affect insulation
integrity or safety clearances; failure to do so could result in
safety hazards.
ØAssemble the inverter per the instructions in this manual. Use
care when choosing installation location and adhere to specified
cooling requirements.
ØUnauthorized removal of necessary protections, improper use,
incorrect installation and operation may lead to serious safety
and shock hazards and/or equipment damage.
ØIn order to minimize the potential of a shock hazard due to
hazardous voltages, cover the entire solar array with dark
material prior to connecting the array to any equipment.
ØGrounding the PV modules：The GrowattMTLP-S is a
transformerless inverter. That is why it has no galvanic
separation. Do not ground the DC circuits of the PV modules
connected to the GrowattMTLP-S. Only ground the mounting
frame of the PV modules.If you connect grounded PV modules
to the GrowattMTLP-S, the error message "PV ISO Low".
ØComply with the local requirements for grounding the PV
modules and the PV generator. GROWATT recommends
connect i n g t h e g e nerator frame and othe r e l e c t rically
conductive surfaces in a manner which ensures continuous
conduction with ground in order to have optimal protection of the
system and personnel.
WARNING
CAUTION
ŸDo not open the inverter except the wire box by qualified persons.
ŸElectrical installation, repairs and conversions may only be
carried out by electrically qualified persons.
ŸDo not touch damaged inverters.
ØDanger to life due to high voltages in the inverter
ØPersons with limited physical or mental abilities may only work
with the Growatt inverter following proper instruction and under
constant supervision. Children are forbidden to play with the
Growatt inverter. Must keep the Growatt inverter away from
children.
ŸThere is residual voltage in the inverter. The inverter takes 20
minutes to ischarge.
ØThe components in the inverter are live. Touching live
components can result in serious injury or death.
DANGER
2.4 Assembly Warnings
CAUTION
ØMake all electrical connections (e.g. conductor termination,
fuses, PE connection, etc.) in accordance with prevailing
regulations. When working with the inverter powered on,
adhere to all prevailing safety regulations to minimize risk of
accidents.
ØSystems with inverters typically require additional control
(e.g., switches, disconnects) or protective devices (e.g., fusing
circuit breakers) depending upon the prevailing safety rules.
WARNING
ØThe Growatt Inverter converts DC Current from PV generator
into AC current. The inverter is suitable for mounting indoors
and outdoors.
ØYou can use the AC current gernerated as follows:
House grid:
Public grid:
Energy flows into the house grid. The consumers
connected, for example, household devices or
lighting, consume the energy. The energy left over
is fed into the public grid. When the Growatt is not
gernerating any energy, e.g., at night, the
consumers which are connected are supplied by
the public grid.The Growatt does not have its own
energy meter. When energy is fed into the public
grid, the energy meter spins backwards.
Energy is fed directly into the public grid. The
Growatt is connected to a separate energy meter.
The energy produced is compensated at a rate
depending on the electric power company.
2.6 Operation Warnings
WARNING
ØEnsure all connectors are sealed and secure during operation.
ØAlthough designed to meet all safety requirements, some parts
and surfaces of Inverter are still hot during operation. To
reduce the risk of injury, do not touch the heat sink at the back
of the PV-Inverter or nearby surfaces while Inverter is
operating.
ØIncorrect sizing of the PV plant may result in voltages being
present which could destroy the inverter. The inverter display
will read the error message “PV voltage High!”
ŸTurn the rotary switch of the DC Disconnect to the Off position
immediately.
ŸContact installer.

CAUTION
ØAll operations regarding transport, installation and start-up,
including maintenance must be operated by qualified, trained
personnel and in compliance with all prevailing codes and
regulations.
ØAnytime the inverter has been disconnected from the power
network, use extreme caution as some components can retain
charge sufficient to create a shock hazard; to minimize
occurrence of such conditions, comply with all corresponding
safety symbols and markings present on the unit and in this
manual.
ØIn special cases, there may still be interference for the specified
application area despite maintaining standardized emission
limit values (e.g. when sensitive equipment is located at the
setup location or when the setup location is near radio or
television receivers).In this case, the operator is obliged to take
proper action to rectify the situation.
ØDo not stay closer than 20 cm to the inverter for any length of
time.
3 Product description
3.1 MTLP-S Overview
DC Switch
PV Intput
RS485 Port
AC Output
G
A
B
C
D
E
F
Position Description
LCD
LED
RS232 Port
Symbol on the inverter
Symbol Description Explanation
Indicates inverter operation status
Inverter status symbol
NORMALL
FAULT
3.2 Type label
The type labels provide a unique identification of the inverter (The type of product,
Device-specific characteristics, Certificates and approvals). The type labels are on
the right-hand side of the enclosure.
78

10
9
3.4 Storage of Inverter
3.5 The advantage of the unit
3.3 Size and weight
More detail about the type label as the chart below:
Model Height (H) Width (W) Depth (D) Weight
Growatt 8000MTLP-S
Growatt 9000MTLP-S
Growatt 10500MTLP-S
734mm 28.9inch
734mm 28.9inch
734mm 28.9inch
361mm 14.2inch
361mm 14.2inch
361mm 14.2inch
249mm 9.8inch
249mm 9.8inch
249mm 9.8inch
28kg
28kg
28kg
If you want to storage the inverter in your warehouse, you should choose an
appropriate location to store the inverter.
ØThe unit must be stored in original package and desiccant must be left in the
package.
ØThe storage temperature should be always between -25℃and +60℃. And the
storage relative humidity can achieve to 100%.
ØIf there are a batch of inverters need to be stored, the maximum layers for original
carton is four.
ØAfter long term storage, local installer or service department of GROWATT should
perform a comprehensive test before installation.
ØMaximum efficiency of 98.1%
ØWide input voltage range from 100--600Vdc
ØReactive power regulate
ØIntegrated DC switch
ØMulti MPP controller
ØDSP controller
ØSound control
ØMulti communication pattern
ØEasy installation
Model Name
Max input DC voltage
Max input DC current
AC nominal voltage
AC grid frequency
Max. apparent power
AC normal output current
Power factor
Environmental
Protection
Rating
Operation Ambient
temperature
600V
12.5A/12.5A/25A
220V
220V 220V/230V
60 Hz60 Hz 50/60 Hz
8800VA 9900VA 10500VA
36.4A 40.9A 47.7A
0.8leading…0.8lagging
IP65
-25...+60℃ (-13...+ 140°F)
with derating above 45°C（113°F）
Growatt
8000MTLP-S
Growatt
9000MTLP-S
Growatt
10500MTLP-S
PV voltage range 100V~600V
Information
After long term storage, the Real Time Clock of the inverter maybe
not correct, it will cause the energy produced today (E_today) error,
you need to set the time and date, refer to clause 7.2.5 setting data
and time.

12
11
5.1 Safety instructions
4 Unpacking and inspection Installation 5
Danger to life due to fire or explosion
ØDespite careful construction, electrical devices can cause
fires.
ØDo not install the inverter on easily flammable materials and
where flammable materials are stored.
Risk of burns due to hot enclosure parts
Mount the inverter in such a way that it cannot be touched
inadvertently.
The inverter is thoroughly tested and inspected strictly before delivery. Our inverters
leave our factory in proper electrical and mechanical condition. Special packaging
ensures safe and careful transportation. However, transport damage may still occur.
The shipping company is responsible in such cases. Thoroughly inspect the inverter
upon delivery. Immediately notify the responsible shipping company if you discover
any damage to the packaging which indicates that the inverter may have been
damaged or if you discover any visible damage to the inverter. We will be glad to assist
you, if required. When transporting the inverter, the original or equivalent packaging
should be used, and the maximum layers for original carton is four, as this ensures
safe transport.
After opening the package, please check the contents of the box. It should contain the
following, Please check all of the accessories carefully in the carton. If anything
missing, contact your dealer at once.
Quantity
A
B
C
D
E
F
G
H
I
J
K
L
Inverter
Quick Guide
1
1
1
1
2
4
4
4/4
4/4
6
1
1
Object Description
User manual
Cross Combination Screw
RS485 Connectors
Explosion bolt
OT Terminal
Countersunk head screw
PV+/PV- terminal
PV+/PV- metal terminal
RS485 Waterproof cover
AC Waterproof cover
ØAll electrical installations shall be done in accordance with the local and national
electrical codes. Do not remove the casing. Inverter contains no user serviceable
parts. Refer servicing to qualified service personnel. all wiring and electrical
installation should be conducted by a qualified service personnel .
ØCarefully remove the unit from its packaging and inspect for external damage. If
you find any imperfections, please contact your local dealer.
ØBe sure that the inverters connect to the ground in order to protect property and
personal safety.
ØThe inverter must only be operated with PV generator. Do not connect any other
source of energy to it.
ØBoth AC and DC voltage sources are terminated inside the PV Inverter. Please
disconnect these circuits before servicing.
ØThis unit is designed to feed power to the public power grid (utility) only. Do not
connect this unit to an AC source or generator. Connecting Inverter to external
devices could result in serious damage to your equipment.
ØWhen a photovoltaic panel is exposed to light, it generates a DC voltage. When
connected to this equipment, a photovoltaic panel will charge the DC link
capacitors.
ØEnergy stored in this equipment's DC link capacitors presents a risk of electric
shock. Even after the unit is disconnected from the grid and photovoltaic panels,
high voltages may still exist inside the PV-Inverter. Do not remove the casing
until at least 5 minutes after disconnecting all power sources.
ØAlthough designed to meet all safety requirements, some parts and surfaces of
Inverter are still hot during operation. To reduce the risk of injury, do not touch the
heat sink at the back of the PV-Inverter or nearby surfaces while Inverter is
operating.

14
13
5.2 Selecting the installation location
ØThis is guidance for installer to choose a suitable installation location, to avoid
potential damages to device and operators.
ØThe installation location must be suitable for the inverter's weight and
dimensions for a long period time.
ØSelect the installation location so that the status display can be easily viewed.
ØDo not install the inverter on structures constructed of flammable or thermolabile
materials.
ØNever install the inverter in environment of little or no air flow, nor dust
environment. That may derate the efficiency of the cooling fan of the inverter.
ØThe Ingress Protection rate is IP65 which means the inverter can be installed
outdoors and indoors.
ØThe humidity of the installation location should be 0~100% without condensation.
ØThe installation location must be freely and safely to get at all times.
ØVertically installation and make sure the connection of inverter must be
downwards. Never install horizontal and avoids forward and sideways tilt.
ØBe sure that the inverter is out of the children's reach.
ØDon't put any things on the inverter. Do not cover the inverter.
ØDo not install the inverter near television antenna or any other antennas and
antenna cables.
ØInverter requires adequate cooling space. Providing better ventilation for the
inverter to ensure the heat escape adequately. The ambient temperature should
be below 40°C to ensure optimum operation.
ØDo not expose the inverter to direct sunlight, as this can cause excessive heating
and thus power reduction.
ØObserve the Min. clearances to walls, other inverters, or objects as shown in the
diagram:
Direction
above
below
sides
front
Min. clearance (cm)
30
30
30
50
Ambient dimensions of one inverter
Ambient dimensions of series inverters

15 16
5.3 Mounting the Inverter
5.3.1 Preparatory work
ØThere must be sufficient clearance between the individual inverters to ensure that
the cooling air of the adjacent inverter is not taken in.
ØIf necessary, increase the clearance spaces and make sure there is enough fresh
air supply to ensure sufficient cooling of the inverters.
ØThe inverter can't install to solarization，drench，firn location. We suggest that
the inverters should be installed at the location with some cover or protection.
ØPlease make sure the inverter is installed at the right place.The inverter can't
install close to trunk.
Information
ØGeneral tools
1.Personal safety equipment such as gloves,helmet,goggles,ear
plugs,safety harness etc
2.Step ladders
3.Knife
ØTools for mechanical installation
1.Equipment for transporting and lifting the inverter
2.Electric(hammer) drill
3.Hammer
4.Set of drill bits,wrenches,sockets and screw bits
5.Socket driver,screw driver
6.Tape measure
7.Level
8.Pencil or other marker
9.Fastening screws,plugs etc
In order to avoid electrical shock or other injury, inspect existing
electronic or plumbing installations before drilling holes.
There are two types of installation mode ,please choose the
corresponding installation instructions.
DANGER
NOTICE

5.3.3 Fixed the inverter on a wooden wall
5.3.4 Hang the inverter on the wall
Using the mounting frame as a template, drill holes as illustrated in follow image:
Hole size: 0.31*2.0inch/8*50mm(diameter)*(depth,at least), then insert four explosion
bolts into the holes, make sure the bolts paralleled with the outer surface of the
bracket. One screw on the upper left side, one screw on the upper right side, one
screw on the below left side, and the last screw on the below right side.
5.3.2 Fixed the Inverter on a concrete wall
Falling equipment can cause serious or even fatal injury, never mount
the inverter on the bracket unless you are sure that the mounting
frame is really firmly mounted on the wall after carefully checking.
WARNING
WARNING
WARNING
Using the mounting frame as a template, drill holes as illustrated in follow image:
The screws must be long enough to reach a depth in the wall of 11/2 inch, two screws
at the upper left side, two screw on the upper right side.
Install the mounting frame as the figure shows. Do not drill the screws
to be flush to the wall. Instead, leave 2 to 4mm exposed.
Falling equipment can cause serious even fatal injury, never mount the
inverter on the bracket unless you are sure that the mounting frame is
really firmly mounted on the wall after carefully checking.
Hang the Inverter on the wall , after the inverter is installed, as shown below:
17 18

19 20
6 Electrical connection
6.1 Safety
WARNING
WARNING
Danger to life due to lethal voltages!
High voltages which may cause electric shocks are present in the
conductive parts of the inverter. Prior to performing any work on
the inverter, disconnect the inverter on the AC and DC sides
Danger of damage to electronic components due to electrostatic
discharge.
Take appropriate ESD precautions when replacing and installing
the inverter.
6.2 Wiring AC Output
ØYou must install a separate single-phase circuit-breaker or
other load disconnection unit for each inverter in order to
ensure that the inverter can be safely disconnected under
load.
NOTE :
The inverter has the function of detecting residual current and
protecting the inverter against residual current. If your inverter
has to equip a AC breaker which has the function of detecting
residual current ,you must choose a AC breaker with the rating
residual current more than 300mA.
We suggest you choice the AC breaker rating current in this table:
we recommend electrical connection as follows
Growatt 8000MTLP-S
Growatt 9000MTLP-S
Growatt 10500MTLP-S
64A/230V
64A/230V
64A/230V
A
B
C
D
E
F
Position Description
PV modules
DC load circuit breaker
Inverter
AC load circuit breaker
Energy meter
Utility grid
The AC wiring step:
1. The grid connection is made using 3 wires (L, N, and PE).
2.Unscrew the plastic nut of the AC waterproof cover counterclockwise, pull out the
three rubber plugs, pass the three wires through the three holes on the waterproof
cover, then crimp the OT terminal on the other end of the wire and screw the plastic
nut. But don't have to screw it completely, as shown below.
3.The wires of the pressed terminal are correspondingly locked to the AC Output
terminal of the inverter in sequence, as shown below.
4.Lock the AC waterproof cover to the inverter casing and tighten the plastic nut
clockwise, as shown below.

21 22
Wire suggestion conductor cross section and length：
Model Conductor cross section Max. cable length
Growatt 8000MTLP-S
Growatt 9000MTLP-S
Growatt 10500MTLP-S
10mm2/8AWG
10mm2/6AWG
12mm2/6AWG
10m
10m
10m
6.3 RS485 Connection
1. Unscrew the plastic nut of the RS485 waterproof cover counterclockwise, pull out
the one rubber plug, pass the wire through the hole on the waterproof cover, then Then
lock the wire to the RS485 terminal, The signals are A、GND and B from left to right,
then screw the plastic nut., but don't have to screw it completely,as shown below.
2. Plugging the connected wire RS485 terminal into the RS485 terminal of the inverter,
as shown below.
3. Lock the RS waterproof cover to the inverter casing and tighten the plastic nut
clockwise, as shown below.
6.4 RS232 Connection
1.RS232 port of inverter is shown below:
2. Plugging the monitoring module(WiFi/RF/GPRS Module) into the RS232 port of the
inverter, and then screw the monitoring module to the inverter housing, as shown
below.
6.5 Connecting the second protective conductor
If the installation requires,the ground terminal can be used to connect a second
protective conductor or as a equipotential bonding.The second protective point is
shown below.

23 24
WARNINGWARNING
WARNINGWARNING
DANGER
Crimp the grounding wire to the OT terminal, and then locking the grounding wire to the
inverter housing by the cross combination screw, as shown below.
6.6 Connecting the PV Array (DC input)
Danger to life due to lethal voltages!
Before connecting the PV array, ensure that the DC switch and AC
breaker are disconnect from the inverter. NEVER connect or
disconnect the DC connectors under load.
Make sure the maximum open circuit voltage(Voc) of each PV string
is less than the maximum input voltage of the inverter.
Check the design of the PV plant. The Max. open circuit voltage,
which can occur at solar panels temperature of -25℃, must not
exceed the Max. input voltage of the inverter.
Improper operation during the wiring process can cause fatal
injury to operator or unrecoverable damage to the inverter. Only
qualified personnel can perform the wiring work.
Wire step is shown below:
1. The Growatt MTLP-S single-phase inverter has three independent MPPT : A 、B
and C, the MPPT A has two independent PV array inputs, MPPT B and MPPT C have
one PV array input, the corresponding terminal block is shown below.
2. The PV connection wire is crimped to the corresponding PV+/PV- metal terminals,
and then plugging into the corresponding PV+/PV- terminals, as shown below.
3. Plugging the connected wires PV terminals into the corresponding PV terminals on
the inverter side, as shown below.
Notice that the connectors are in paired (male and female connectors). The
connectors for PV arrays and inverters are H4 connectors;
Suggestions for the PV modules of the connected strings:
ØSame type
ØSame quantity of PV modules connected in series
6.7 Using shinetool to set the information of the inverter
About the software of shinetool and the usage of it please download from the web:
www.ginverter.com/Download.aspx
6.8 Grounding the inverter
The inverter must be connected to the AC grounding conductor of the power
distribution grid via the ground terminal (PE)
Because of the transformerless design, the DC positive pole and DC
negative pole of PV arrays are not permitted to be grounded.

25 26
7 Commissioning
DANGER
WARNINGWARNING
CAUTION
Do not disconnect the DC connectors under load.
Improper operation during the wiring process can cause fatal injury to
operator or unrecoverable damage to the inverter. Only qualified
personnel can perform the wiring work.
Damage to the inverter due to moisture and dust penetration
ØMake sure the cable gland has been tightened firmly.
ØIf the cable gland are not mounted properly, the inverter can be
destroyed due to moisture and dust penetration. All the warranty claim
will be invalid.
Requirements：
ØThe AC cable is correctly connected.
ØThe DC cable is correctly connected.
ØThe country is correctly setted.
7.1 LCD display
Start-up display sequence, once the PV power or AC power is sufficient, the inverter
display information as shown in the flow chart:
Model: xxxxxx
Ser No: xxxxxxxxxx
FW Version: x.x.x
Connect in: xxxS
Power: xxx.xW xxxx.xVar
The LCD display back-light automatically turns off after 30 seconds to save the power.
The display on the inverter can be controlled by knocking on the front of it.
ØThe first line will show some status of the inverter, there are 4 status listed in
below table.
Inverter State
Fault State
Program State
DISPLAY CONTENT
Standby
Waiting
Connect in xxS
Reconnect in xxS
Connect OK
Power:xxxx.xW xxxx.xVA
Error: xxx
Programming
REMAK
PV voltage low
Initial waiting
System checking
System checking
Connect to Grid
Inverter watt at working
System Fault
Update Software
The first line of LCD
STATE
Wait State
ØThe second line can change by knock on.
The second line of LCD
Cycle display Display time/S Remark
2279.5W 12.4Var
Model:PVIA00F163
1872.0W 25.4Var
FW Version: KC1.0
2270.0W 14.3Var
SerNo: xxxxxxxxxx
4240.1W 75.4Var
Etoday: 12.75KWh
1270.0W 75.4Var
Eall: 102. 1KWh
2
2
2
4
4
4
4
4
4
4
4
4
The inverter model
The sofeware version
The Serial Number
The energy today
The energy all
743.7W 20.3Var
Ppv: 421/ 389W
427.3W 15.7Var
PV:387/389 B:389
3274.3W 10.1Var
AC:224V F:60.1Hz
3143.7W 20.3Var
L1:119V L2:120V
2635.1W 10.3Var
Setting
2521.7W 11.3Var
2014/12/05 11:20
2324.5W 16.7Var
AC Error Record
PV input watt
The PV and BUS Voltage
Grid information
The grid system
Setting
Time system
The last 5 dated failure report

27 28
2635.1W 10.3Var
Input 123: xxx
2849.1W 18.3Var
Language: English
2769.1W 28.3Var
Set Language
2869.8W 21.3Var
COM Address: xxx
3269.8W 25.3Var
Net model: x
3321.8W 16.3Var
Zegbee: xxxxxxxx
Set input page
Language
Set language
Set commucation address
4
4
4
4
4
4
Set Net Model
Zigbee status
7.2 Setting the LCD display
7.2.1 Knock type and definition
The inverter can support three kinds of knock: single knock, double knock and thrice
knock. Each kind of knock has different function. Refer to specified definition in Table
below：
Knock type
Single knock
Double knock
Thrice knock
Definition
KeyDown
KeySET
KeyEnter&ESC
Befor light the background, the types of knock functions are the same: just light the
background.
NOTE: That the background light will automatically off if there is no knock detected in
ten seconds.
Sound control can define the display language, communication address and utility
model choice.
7.2.2 Read AC Error record information
When the LCD is dark, a knock and double knock will activate LCD. Knock to change
the situation, enter to 'AC Error record' page. Double knock to information read state,
Display show as follows:
2324.5W 16. 7Var
AC Error Record
1: NO AC
2018/10/15 08:21
2: AC F out range
2018/12/05 11:21
5: AC V out range
2018/10/15 08:21
4: NO AC
2018/11/08 12:21
3: NO AC
2018/11/05 17:31
Single knock
Single knock
Single knockSingle knock
Singleknock
Double knock
7.2.3 Enter to SET
When the LCD is dark, a knock and double knock will activate LCD. Knock to display
next information or change the set situation. Double knock makes the display stand
for 30 seconds, enter to setting state. Display show as follows:
2324.5W 16.7 Var
Input 123: 000
2324.5W 16.7Var
Input 123: 000
2324.5W 16. 7Var
Input 123: 120
2324.5W 16.7 Var
Input 123: 100
2324.5W 16.7Var
Input 123: 100
2324.5W 16. 7Var
Input 123: 120
2324.5W 16.7 Var
Input 123: 123
2324.5W 16.7Var
Set Language
Single knock
Double knock Double knock
2324.5W 16. 7Var
Setting
Double knockSingle knock
Double knock
Single knock Thrice knock
Enter to
setting state
7.2.4 Setting inverter display language
On the set situation page knock to 'Set language' double knock to enter 'language:
English' knock to select the language you need and thrice knock to enter or wait until
the display become dark.
7.2.5 Setting communication address
On the set situation page knock to 'COM Address: xx' double knock to change the
Address model knock to set address, thrice knock to enter or wait until the display
become dark.

3029
7.2.6 Setting grid model choice
This function is disabled when the inverter work in the normal state, you must turn off
the AC(disconnect) separate unit, and the inverter LCD will display an error 'NO AC
Connection' , LED turns red, then this model choice function is enable.
On the set situation page knock to 'Set Grid type' double knock to enter 'Grid Tx:
xxxV' knock to select the grid model. Need to wait for 10S until the LCD background
light gone out then the inverter will automatically restart. Turn on the AC(disconnect)
separate unit, inverter will operate normally.
7.2.7 LED Display
The LED alse represents the status of the inverter.
LED color/status
Green/constant
Red/constant
Red/flashing
Inverter status
Normally opertion
Fault -- Standby model contact installer
Software update
7.3 Communications
7.3.1 RS485 communication(standard)
Users can connect to the computer through the RS485 port, then use the shinebus
software that communicates with inverter to analyze the inverter working state.It is
convenient for user to know the inverter's real-time working state and the history
working information.
7.3.2 WiFi/RF/GPRS Wireless communication(Optional)
WiFi/RF/GPRS communication modules (It is available from Growatt) can be used as
an optional monitoring device. They are wireless device used to monitor inverter. They
transmits the data collected from the inverter to the server. User could get access to
the inverter data by accessing the sever. More details can be found in the Wifi module
manual.
1. Connect the AC breaker of the inverter.
2.Turn on the dc switch, and the inverter will start automatically when the input voltage
is higher than 100 V.
8.1 Start-Up the inverter
8.2 Turn-off the Inverter
Turn-off the inverter step:
1.Disconect the line circuit breaker from single-phases grid and prevent it from being
reactivated.
2.Turn off the DC Switch.
3.Check the inverter operating status.
4.Waiting until LCD display go out, the inverter is shut dwon..
Do not disconnect the DC connectors under load.
DANGER
Start-up and shut down the inverter 8
Maintenance and Cleaning 9
9.1 Checking Heat Dissipation
9.2 Cleaning the Inverter
9.3 Checking the DC Disconnect
If the inverter regularly reduces its output power due to high temperature, please
improve the heat dissipation condition. Maybe you need to clean the heat sink.
If the inverter is dirty, turn-off the AC breaker and DC switch ,waiting the inverter shut
down ,then clean the enclosure lid, the display, and the LEDs using only a wet cloth.
Do not use any cleaning agents (e.g. solvents or abrasives).
Check for externally visible damage and discoloration of the DC Disconnect and the
cables at regular intervals.If there is any visible damage to the DC Disconnect, or
visible discoloration or damage to the cables, contact the installer.
ØOnce a year, turn the rotary switch of the DC Disconnect from the On position to
the Off position 5 times in succession. This cleans the contacts of the rotary
switch and prolongs the electrical endurance of the DC Disconnect.

31 32
10 Trouble shooting
Sometimes, the PV Inverter does not work normally, we recommend the following
solutions for common troubleshooting. The following table can help the technician to
understand the problem and take action.
10.1 Errors(E)
Errors(E) codes identify a possible equipment failure, fault or incorrect inverter setting
or configuration. Any and all attempts to correct or clear a fault must be performed by
qualified personnel. Typically, the (E) code can be cleared once the cause or fault is
removed. Some of the (E) codes, Error as indicated in the table below, may indicate a
fatel error and require you to contact the supplier or the Growatt to replace a new one.
Error code Description Suggestion
Error: 101
Communication fault Slave
processor can not receive
data from Master processor
1. Restart inverter
2. If error message still exists, contact
Growatt
Error: 102
1. Restart inverter
2. If error message appears frequently or
error message still exists after
replacement, check utility grid. If you
require help, contact Growatt.
3. If error message still exists, contact
Growatt
Error: 111
Error: 116
Error: 117
Error: 118
Error: 119
Error: 120
Error: 121
Error: 122
PE abnormal
EEPROM fault
Relay fault
Initial model fault
GFCI Device Damage
HCT fault
Communication fault.
Master processor can not
receive data from Slave
processor.
BUS voltage fault
1.Check PE, to ensure that the PE line
contact good.
2. Check the L and the N line to ensure
that they are not reversed.
3. Restart inverter
4. If error message still exists, contact
Growatt
Contact Growatt
Contact Growatt
Contact Growatt
Contact Growatt
Contact Growatt
Contact Growatt
1. Restart inverter
2. If error message still exists,
contact Growatt
Consistent fault. Data
received by Master and
Slave processor are
different. The reason can
be utility grid voltage or
frequency change
frequently.
10.2 Warnings(W)
Warnings(W) identify the current status of the Growatt 8-10K MTLP-S inverter.
Warnings do not relate to a fault. When a (W) with a number after it appears in the
display, it indicates a Warning Code and is usually cleared through an orderly
shutdown/re-set or a self corrective action performed by the inverter. See the (W)
codes in the following table.
Warning code Meanings Suggestion
Warning 100
Warning 103
Warning 104
Warning 105
No AC Connection
AC V Outrange
AC F Outrange
Over Temperature
PV Isolation Low
Output Hight DCI
Residual High
PV voltage High
Internal fan malfunction
Fail to read EEPROM
DSP and COM firmware
version unmatch
Fail to write EEPROM
No utility grid connected
or utility grid power
failure
Utility grid voltage is out
of permissible range
Utility grid frequency is
out of permissible range
Temperature outrange
Insulation problem
Output current DC
offset too high
Leakage current too high
The DC input voltage is
exceeding the
maximum value
Restart the inverter. If the warning
still exists, please contact Growatt.
Restart the inverter. If the warning
still exists, please contact Growatt.
Update program
Restart the inverter. If the warning
still exists, please contact Growatt.
1. Check AC wiring and switch state,
especially the ground wire.
2. Clear malfunction, Restart inverter.
1. Shut down the inverter, check grid
voltage.
2. Ensur grid voltage is right, restart
inverter.
1. Check grid frequency range
2. Restart inverter
1. Check the inverter operation state
2.Lower ambient temperature,
restart inverter
1. Check if PV panel enclosure ground
properly
2. Check if inverter ground properly
3. Check if the DC breaker gets wet
4. Clear malfunction, restart inverter
5. Clear the PV array firn and
desiccate
Restart the inverter. If the warning
still exists, please contact Growatt.
Restart the inverter. If the warning
still exists, please contact Growatt.
Disconnect the DC switch
immediately, then Check the PV
input voltage.

34
33
11 Manufacturer Warranty
Please refer to the warranty card.
12 Decommissioning
12.1 Dismantling the Inverter
12.2 Packing the Inverter
1. Disconnect the inverter as described in section6.
2. Remove all connection cables from the inverter.
3. Screw off all projecting cable glands.
4. Lift the inverter off the bracket and unscrew the bracket screws.
CAUTION
Danger of burn injuries due to hot enclosure parts!
Wait 20 minutes before disassembling until the housing has cooled
down.
If possible, always pack the inverter in its original carton and secure it with tension
belts. If it is no longer available, you can also use an equivalent carton. The box must
be capable of being closed completely and made to support both the weight and the
size of the inverter.
12.3 Storing the Inverter
Store the inverter in a dry place where ambient temperatures are always between -
25°C and +60°C.
12.4 Disposing of the Inverter
Do not dispose of faulty inverters or accessories together with household
waste. Please accordance with the disposal regulations for electronic
waste which apply at the installation site at that time. Ensure that the old
unit and, where applicable, any accessories are disposed of in a proper
manner.
13.1 Specification
13 Technical Data
AC connection
0.8leading… 0.8lagging
THDi <3%
Single phase
Displacement power
factor, configurable*
Model
Specifications
Input data(DC)
Max. recommended PV
power(for module STC)
Max. DC voltage
Start voltage
Output (AC)
Max. AC apparent power
Max. output current
Growatt
8000MTLP-S
Growatt
9000MTLP-S
Growatt
10500MTLP-S
PV voltage range
MPP work voltage
range/ nominal voltage
Full load dc voltage range
Max. input current of
tracker A/B/C
Max. input current per
string of tracker A/B/C
Number of independent
MPP trackers
Strings per MPP tracker
Rated AC output power
AC nominal voltage; range
AC grid frequency; range
Phase factor at rate power 1 1 1
60Hz;±5Hz 60Hz;±5Hz 60Hz;±5Hz
220V;
187Vac-276Vac
220V;
187Vac-276Vac
220V/230V;
187Vac-276Vac
36.4A 40.9A 47.7A
8800VA 9900VA 10500VA
8000W 9000W 10500W
2/1/1
3
32A/16A/16A
25A/12.5A/12.5A
280V-500V
110V-500V /360V
100V-600V
140V
600V
9600W 10800W 12000W