URE MA1-INV User manual

V1.0
Installation Manual
Energy Storage System
(ESS)
MA1-INV

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United Renewable Energy Co., Ltd. Page I of 45
IMPRINT
United Renewable Energy Co., Ltd.
7, Li-Hsin 3rd Rd, Hsinchu Science Park,
Hsinchu, Taiwan 300, R.O.C.
Aug. 19 2019

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United Renewable Energy Co., Ltd. Page II of 45
Copyright Statement
This manual is under the copyright of United Renewable Energy Co., Ltd. with all
rights reserved. Please keep the manual properly and operate in strict accordance
with all safety and operating instructions in this manual. Please do not operate the
system without reading through the manual.
Version Information
Version
Date
Content
V1.0
20190819
New

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United Renewable Energy Co., Ltd. Page III of 45
Content
IMPRINT.............................................................................................................. I
Copyright Statement........................................................................................ II
Version Information ......................................................................................... II
Content............................................................................................................. III
Introduction.................................................................................................. 5
1.1 System Introduction.............................................................................. 5
1.2 General Precautions.............................................................................. 5
1.3 Parts List ................................................................................................ 7
1.4 System Appearance............................................................................... 9
1.5 Liability Limitation............................................................................... 11
Installation.................................................................................................. 13
2.1 Installation Site and Environment...................................................... 13
2.2 Installation............................................................................................ 13
2.3 Power Meter ......................................................................................... 26
2.3.1 Meter ADL-3000 (If Applicable) .......................................................................26
2.3.2 Meter SM60A (If Applicable)............................................................................29
2.3.3 Backup Box (If Applicable) ..............................................................................30
System Operation ...................................................................................... 31
3.1 Switch on.............................................................................................. 31
3.2 Switch off.............................................................................................. 32
EMS Introduction and Set up.................................................................... 34
4.1 Function Description........................................................................... 34
4.2 Introduction.......................................................................................... 35
4.2.1 Main.................................................................................................................35
4.2.2 Status ..............................................................................................................35
4.2.3 History .............................................................................................................36
4.2.4 Setting .............................................................................................................38
Online Monitoring ...................................................................................... 42
5.1 Register ................................................................................................ 42
5.2 Registering License............................................................................. 43
Annex.......................................................................................................... 44
6.1 Datasheet –URE MA1-INV .................................................................. 44

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Introduction
1.1 System Introduction
URE MA1-INV can be applied in DC-coupled systems (mostly new installation), AC-
coupled systems (mostly retrofit) and Hybrid-coupled systems (mostly retrofit, and PV
capacity-increase), as the following scheme:
Figure 1 DC- and AC-/ Hybrid-coupled Storage System - Scheme
CAUTION:
For the AC-/ Hybrid-coupled system, unlike DC, two power meters are to be
mounted.
MA1-INV is only to be connected with MA1-BAT, a LFP battery. No other battery
can be connected to MA1-INV.
1.2 General Precautions
DANGER
Danger to life due to high voltages of the PV array, battery and electric shock.
When exposed to sunlight, the PV array generates dangerous DC voltage which
will be present in the DC conductors and the live components of the inverter.
Touching the DC conductors or the live components can lead to lethal electric
shocks. If you disconnect the DC connectors from the system under load, an
electric arc may occur leading to electric shock and burns.
➢Do not touch uninsulated cable ends.
➢Do not touch the DC conductors.
➢Do not open the inverter and battery.
➢Do not wipe the system with damp cloth.

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➢Have the system installed and commissioned by qualified people with the
appropriate skills only.
➢Prior to performing any work on the inverter or the battery pack, disconnect
the inverter from all voltage sources as described in this document.
WARNING
Risk of chemical burns from electrolyte or toxic gases.
During standard operation, no electrolyte shall leak from the battery pack and no
toxic gases shall form. Despite careful construction, if the Battery Pack is damaged
or a fault occurs, it is possible that electrolyte may be leaked or toxic gases formed.
➢Do not install the system in any environment of temperature below -10°C
or over 50°C and in which humidity is over 85%.
➢Do not touch the system with wet hands.
➢Do not put any heavy objects on top of the system.
➢Do not damage the system with sharp objects.
➢Do not install or operate the system in potentially explosive atmospheres
or areas of high humidity.
➢Do not mount the inverter and the battery pack in areas containing highly
flammable materials or gases.
➢If moisture has penetrated the system (e.g. due to a damaged enclosure),
do not install or operate the system.
➢Do not move the system when it is already connected with battery modules.
➢Secure the system to prevent tipping with restraining straps in your vehicle.
➢The transportation of URE MA1-INV must be made by the manufacturer or
an instructed personal. These instructions shall be recorded and repeated.
➢A certified ABC fire extinguisher with minimum capacity of 2kg must be
carried along when transporting.
➢It is totally prohibited to smoke in the vehicle as well as close to the vehicle
when loading and unloading.
➢For the exchange of a battery module, please request for new hazardous
goods packaging if needed, pack it and let it be picked up by the suppliers.
➢In case of contact with electrolyte, rinse the affected areas immediately with
water and consult a doctor without delay.
CAUTION:
Risk of injury through lifting or dropping the system.

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The inverter and battery are heavy. There is risk of injury if the inverter or battery is
lifted incorrectly or dropped during transport or when attaching to or removing from
the wall.
➢Lifting and transporting the inverter and battery must be carried out by more
than 2 people.
1.3 Parts List
Check the following parts list to ensure it is complete.
URE delivers a total system separately on site to client, this consists of:
MA1-INV
8x M8*60
2x M4
4x M6
1x Mounting Panel
1x Mounting
Bracket
10x M6
Gasket
2x MC4
8x RJ45
Connectors
1x Meter
(1x SM 60A or 1x ADL 3000)
1x
Installation
Manual
1x User
Manual
MA1-BAT
6x M8*60
6x M5*10
6x M4*10
2x Mounting Panel
6x M6 Gasket
2x Power Cable
(1 black, 1 red)
1x User Manual
Battery Communication Cable

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1.4 System Appearance
Figure 2 MA1 Delivery Scope
Object
Description
1
Hybrid Inverter with Cable Box
2
Display Screen
3
Cable Box Part of Inverter
4
MA1-BAT (Battery 1)
5
MA1-BAT (Battery 2)
1
2
3
4
5

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United Renewable Energy Co., Ltd. Page 10 of 45
Cable Box Part
Figure 3 Inverter with Cable Box – Front View
Figure 4 Inverter with Cable Box - Rear View
Figure 5 Cable Box Part– Front View
Item
Name
Description
BAT(1)
Battery Switch
Switch for disconnecting the
batteries from inverter
GRID
GRID Switch
Switch between inverter and grid
INV
Inverter Debug
Communication
For inverter debugging
USB
USB Debug
Communication
For USB debugging
PV
PV Switch
Switch for the PV modules
Back up
Backup Switch
Switch between inverter and backup
loads
BAT(2)
Battery Debug
Communication
For battery debugging
1
2

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Figure 6 Cable Box Part - Rear View
Object
Description
Item
Description
PV1, PV2
PV Connector
METER
RS485 Connection for Meter
GRID/ BACKUP
Terminal Board AC/Grid
LAN1
Ethernet Connection
LAN2
Ethernet for Evergen
DRMS
DRED Connect for SAA
BAT
Battery Communication
AUX
Dry Contact
Terminal 1, 2
Battery Connect Terminal
1.5 Liability Limitation
Any product damage or property loss caused by the following conditions URE does not
assume any direct or indirect liability.
•Product modified, design changed or parts replaced without URE authorization;
•Changes, or attempted repairs and erasing of series number or seals by non URE
technician;
•System design and installation are not in compliance with standards and
regulations;
•Failure to comply with the local safety regulations (VDE for DE, SAA for AU);
•Transport damage (including painting scratch caused by rubbing inside packaging
during shipping). A claim should be made directly to shipping or insurance company in
this case as soon as the container/packaging is unloaded and such damage is
identified;
•Failure to follow any/all of the user manual, the installation guide and the
maintenance regulations;
•Improper use or misuse of the device;
•Insufficient ventilation of the device;
•The maintenance procedures relating to the product have not been followed to an
acceptable standard;

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United Renewable Energy Co., Ltd. Page 12 of 45
•Force majeure (violent or stormy weather, lightning, overvoltage, fire etc.);
•Damages caused by any external factors.

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Installation
This Manual introduces the basic steps how to install and set up URE MA1-INV.
NOTE: please pay attention for unpacking the battery, the worst case is that
some components could be damaged.
Observe the specified minimum distances to neighboring objects.
The minimum distances ensure that:
•There is sufficient heat dissipation,
•The storage system door can be opened easily,
•There is sufficient space for carrying out maintenance work.
2.1 Installation Site and Environment
The following sites are not allowed for installation:
•Sites where the freezing point is reached.
•Sites with humidity and condensation over 85%.
•Sites which are salty and where humid air can penetrate.
•Flooded areas.
•Earthquake areas –additional security measures are required here.
•Sites that are higher than 2000 meters above the sea level.
•Sites with explosive atmosphere.
•Sites with direct sunlight.
•Sites with extreme change of ambient temperature.
•Wet rooms.
•Sites with highly flammable materials or gases.
•Sites with a potentially explosive atmosphere.
•Installation wall load must be more than 180 kg
2.2 Installation

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Figure 7 Unpacking the inverter and battery
Step 1: Remove the battery and inverter from the packaging box.
Figure 8 Battery with Lid off - Front View
Figure 9 Battery with Lid off – Side View
Step 2: Open battery housing case and remove communication wiring baffle at
the left side.
Figure 10 Disassembly Diagram of Battery Top Cover
Step 3: Remove the top cover of the battery.
Communication
wiring baffle
Positive
Connector
Battery Cover
Negative
Connector

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Figure 11 Battery power cable installation diagram
Step 4: Close the battery front cover and connect the power cable at the top.
NOTE: if there is an “indoor” sign on the top cover, the battery can
only be installed indoor.
Figure 12 Assemble Battery Mounting Panel
Step 5: Assemble the battery mounting panel on the battery.
M5*10 Screws

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Figure 13 Battery Installation - Drill Holes
Step 6: Keep the battery against the wall, drill holes on the wall with an impact
drill.
NOTE: please make sure a layer of protection must be placed over the
battery while drilling, it could be paper, wood board or packaging bubble,
as Figure 13 shows).
The ground upon which the battery will be placed on must be less than 3
degree to the horizontal level.
Debris Baffle, drill φ8, depth about 70 mm
M6 Gasket
φ8*60

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United Renewable Energy Co., Ltd. Page 17 of 45
Figure 14 Battery Installation – Mounting on the Wall
Step 7: Remove the debris baffle and secure the battery to the wall with screws.
Figure 15 Battery Installation – Second Battery Installation
Step 8: Follow Step6 and Step7 to install the second battery.
Figure 16 Inverter Mounting Panel Installation
Step 9: Install the inverter mounting panel and mounting bracket with M4 nuts
as shown above.

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Figure 17 Inverter Installation - Inverter Mounting Panel
Step 10:Drill holes on the wall with impact drill first then install and position
inverter mounting panel. Battery installation is now completed.
M6 Nuts

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Figure 18 Cable Box Wiring Diagram
Step 11: Remove the cable box front cover, it can be removed by hand without
tools. Remove the screw to take off the back cover. Set the front and back covers
of cable box aside.
Figure 19 Communication and Power Cable Access
Step 12:Screw off the big and small waterproof terminals and pass the network
cable through the terminals, into the switch box. At the same time connect the
power cable of output side through waterproof terminal following the diagram.
(Here the network cable is not equipped with RJ45 plug).
Figure 20 Network Cable Connection Diagram
Network Cable Access
Power Cable
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