Sofar solar ME-3000SP Manual de usuario
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Energy Storage Inverter
User Manual
(for ME-3000SP)
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Contents
1. Equipment Introduction.................................................................................................................................................... 2
2. Equipment Safety Notes....................................................................................................................................................2
2.1 Safety Signs..............................................................................................................................................................2
2.2 Safety Notes.............................................................................................................................................................3
2.3 Battery Installation and Maintenance Notes.......................................................................................................... 4
3. Installation......................................................................................................................................................................... 5
3.1 Product Overview....................................................................................................................................................5
3.2 Packing List.............................................................................................................................................................. 5
3.3 Installation Environment......................................................................................................................................... 6
3.4 Installation Tools......................................................................................................................................................7
3.4 Installation Position................................................................................................................................................. 9
3.5 Mount ME-3000SP.................................................................................................................................................. 9
4. Electrical Connection.......................................................................................................................................................11
4.1 Battery Connection................................................................................................................................................12
4.2 CT / RS485 / NTC connection................................................................................................................................ 12
4.3 Grid & Load Connection........................................................................................................................................ 15
5. Indicators and Keys..........................................................................................................................................................16
6. Operation.........................................................................................................................................................................17
6.1 Double Check.........................................................................................................................................................17
6.2 First Time Setup.....................................................................................................................................................17
7. Technical Data..................................................................................................................................................................20
8. Country Code...................................................................................................................................................................21
9. Troubleshooting...............................................................................................................................................................21
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1. Equipment Introduction
This product is mainly applied and developed for the adjustable PV generation system and a small power storage
system equipped with the most common lead acid batteries or lithium batteries. It can achieve the optimal usability of
battery power automatically. ME-3000SP storage inverter can control the off-grid, on-grid and the bi-directional flow
of electric power, work under the auto / manual mode and time-of-use (TOU) price mode, automatically switch to the
off-grid and on-grid work mode and manage the battery charge / discharge, etc. Also, the inverter has the intelligent
on-grid discharge function by setting and can adjust its discharge power according to the change of the load power,
avoid the feed of redundant power into the power grid and help the user to make the maximum benefit. This storage
inverter can choose DC bus occasion in connection with the PV system and also be used as a pure off-grid inverter if
there is no PV system. The equipment is equipped with a LCD display panel and keyboard, high-quality Human
Machine Interface and is stable, safe and reliable. The monitoring software has the fault history recording function for
later-stage maintenance.
Fig. 1 ME-3000SP Storage System Solution
2. Equipment Safety Notes
Before the inverter is used, please read all instructions, warning signs and this manual. The inverter strictly meets
safety rules of design and testing. During the installation, operation and maintenance, operators should abide by
safety regulations. Improper operation may cause an electric shock or damage the equipment and properties.
2.1 Safety Signs
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2.2 Safety Notes
Electrical installation and maintenance must be carried out by competent electricians according to national
connection rules.
This inverter must be made only by qualified technical personnel, and only after receiving appropriate approvals,
as required by the local authority having jurisdiction.
The battery chamber should keep a certain distance with the storage inverter and protected well to prevent from
collision.
It is forbidden to place explosives and combustibles, e.g.gasoline, kerosene, oil, slab, cotton and rag, around the
storage inverter.
An electric shock must be avoided and the battery input and AC output of the inverter shall be stopped for at
least 5min. before its installation or maintenance.
The temperature of some parts of the inverter may exceed 60℃. The inverter shall be cooled down in order to
avoid scalding during the maintenance.
Children should not go near the inverter.
Please do not open the outer cover of the inverter without permission, except for the wire connections. If
someone touches or changes its components without permission, he might be injured and even damage the
inverter.
Static power may damage electronic elements. An appropriate method should be adopted for preventing from
such damage; otherwise, the inverter might be damage and the warranty will be invalid.
If the Equipment is damaged because it is not operated according to the operation method of the specified
manufacturer, the warranty will be invalid.
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To completely isolate the inverter: firstly shut down the DC switch and then disconnect the battery and the AC
terminal.
The storage inverter shall be isolated conpletely before being maintained. The inverter must not be maintained in
other modes!
It is forbidden to disconnect the battery terminal and AC terminal when the storage inverter is running normally.
2.3 Battery Installation and Maintenance Notes
The battery has been charged before being delivered and shall be prevented from short circuit in the
transportation and installation process.
The battery shall be placed in a well-ventilated space. Do not install the battery in airtight or badly ventilated
spaces or equipment. Otherwise, the equipment might crack.
Do not place the battery in high temperature situations, direct sunshine or in front of a furnace or fire. Otherwise,
the battery might leak and fire or crack.
The connection cable shall be as short as possible to avoid too much voltage drop.
Before connecting the terminal connecting piece an switching on the battery system, check the total voltage and
anode and cathode of the battery system to ensure the correct installation.
If you want to store the battery, the battery bank should be disconnected from the charger and load and the
environment shall be kept cool, dry and ventilated.
Please be noted that it is not necessary to provide the reservation information with the following exact measures:
Battery maintenance operators shall have the know-how and technical skill for the maintenance of the battery;
When the battery is changed, the battery bank of the same model and quantity shall be changed;
Warning: Do not dispose of scrap batteries with fire. Otherwise, the batteries might explore.
Warning: Do not dismantle or damage the battery. Its electrolyte might be toxic and damage your skin and eyes.
Warning: The battery may cause an electric shock or short circuit. Please take the following measures for the
battery work:
a) Take off your watch, ring or other metal objects.
b) Use the tool with insulated handles.
c) Wear rubber gloves and shoes.
d) Do not put tools and metals above the battery.
e) Switch off the charge power supply before the battery terminal is disconnected.
f) Check if the battery is connected to the ground. If so unconsciously, disconnect the battery from the ground.
Any part that touches the ground battery may suffer an electric shock. Disconnect the battery from the ground
during installation and maintenance, so as to reduce the possibility of such a shock (applicable to the equipment
and remote power supply without power circuits connected to the ground).
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3. Installation
3.1 Product Overview
The inverter is checked strictly and checked before being packed and delivered.It is forbidden to put it upside down
position during delivery.
Please check the product package and internal components carefully before installation, e.g. housing, display and DC
connection terminals.
Fig. 2 ME-3000SP Overview
3.2 Packing List
Before installation, please inspect the unit. Be sure that nothing inside the package is damaged. You should have
received the following items inside of package:
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Mounting Bracket×1
AC terminal×6
M5 screw×2
Battery terminal×2
M6 flat washer×8
Expansion Bolts×8
Terminal cap×4
CT terminal×2
Current Transformer× 2
User Manual×1
Warranty card×1
Quality Certificate×1
Fig. 3 Accessories of ME-3000SP
3.3 Installation Environment
Clean and tidy indoors,convenient for installation and in a dry position
Ambient temperature scope:-20℃~45℃
Relative humidity:0~95%(non-condensed)
The storage inverter shall be installed in the place with independent air inlet and outlet channels.
There is neither inflammable nor explosive around.
The storage inverter shall be connected to the power grid with an over-voltage of CATIII and CAT II.
The maximum work altitude is 2000m.
Please consult our engineers about detailed requirements for installation.
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3.4 Installation Tools
The following tools shall be prepared before installation:
No.
Tool
Model
Function
1
Hammer drill
Recommend drill dia.6mm
Used to drill holes on the wall
2
Screwdriver
wiring
3
Wire stripper
Strip wire
4
4mm Allen Wrench
Turn the screw to connect rear panel
with inverter
5
Crimping tools
Used to crimp power cables
6
Multi-meter
Used to check grounding
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7
Marker pen
Used to mark signs
8
Measuring tape
Used to measure distances
9
Level
Used to ensure that the rear panel is
properly installed
10
ESD golves
Operators wear
11
Safey goggles
Operators wear
12
Anti-dust respirator
Operators wear
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3.5 Installation Position
ME-3000SP should be vertically mounted (to ensure fast heat dissipation), please choose a position without direct
sunlight / snow accumulation to install ME-3000SP.
Fig. 4 Installation Position of ME-3000SP
3.6 Mount ME-3000SP
Step 1: Put the mounting bracket properly on the wall, mark these 8 drill holes using a marker pen. Drill 8 holes (drill
bit 6mm) on the wall.
Step 2: Insert the expansion screw vertically into the hole, note the insertion depth. (not too shallow or too deep)
Step 3: Fix the mounting bracket on the wall using bolts & flat washers.
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