GE GEP User manual

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GEP
3.0-6.0kW
Single Phase
User Manual
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Copyright Statement
User Manual V1.3-2022-11-18
The information in this user manual is subject to change due to product updates or other
reasons. This guide cannot replace the product labels or the safety precautions in the user
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Trademarks
NOTICE
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II
CONTENT User Manual V1.3-2022-11-18
CONTENT
1 About This Manual .................................................................1
$SSOLFDEOH0RGHO..........................................................................................1
7DUJHW$XGLHQFH............................................................................................1
6\PERO'HࢉQLWLRQ.........................................................................................2
1.4 Updates .........................................................................................................2
2 Safety Precaution...................................................................3
2.1 General Safety ..............................................................................................3
2.2 DC Side: .........................................................................................................3
$&6LGH...........................................................................................................3
2.4 Inverter Installation .....................................................................................4
2.5 Personal Requirements...............................................................................4
2.6 EU Declaration of Conformity.....................................................................5
3 Product Introduction.............................................................6
$SSOLFDWLRQ6FHQDULRV ..................................................................................6
3.2 Circuit Diagram.............................................................................................6
3.3 Supported Grid Types..................................................................................6
$SSHDUDQFH...................................................................................................7
3.4.1 Parts........................................................................................................................7
3.4.2 Dimensions ............................................................................................................8
3.4.3 Indicators ...............................................................................................................8
3.4.3 Nameplate .............................................................................................................9
4 Check and Storage ...............................................................10
4.1 Check Before Receiving.............................................................................10
4.2 Deliverables ................................................................................................10
4.3 Storage ........................................................................................................11
5 Installation ............................................................................12
5.1 Installation Requirements.........................................................................12
5.2 Inverter Installation ...................................................................................15
0RYLQJWKH,QYHUWHU............................................................................................15
5.2.2 Installing the Inverter.........................................................................................15

III
CONTENT
User Manual V1.3-2022-11-18
6 Electrical Connection...........................................................16
6.1 Safety Precaution .......................................................................................16
6.2 Connecting the PE Cable ...........................................................................17
6.3 Connecting the PV Input Cable ................................................................17
&RQQHFWLQJWKH$&2XWSXW&DEOH .............................................................20
6.5 Communication ..........................................................................................24
6.5.1 Communication Network Introduction............................................................24
6.5.2 Communication Port Introduction....................................................................26
'50'HVFULSWLRQ .................................................................................................26
6.5.4 Connecting the Communication Cable (optional)...........................................27
,QVWDOOLQJWKH&RPPXQLFDWLRQ0RGXOHRSWLRQDO...........................................29
6.5.6 Connecting the USB-RS485 Cable .....................................................................29
7 Equipment Commissioning.................................................30
&KHFN%HIRUH3RZHU21 ............................................................................30
3RZHU2Q.....................................................................................................30
8 System Commissioning .......................................................31
8.1 Indicators and Buttons..............................................................................31
8.2 Setting Inverter Parameters via LCD .......................................................32
/&'0HQX,QWURGXFWLRQ......................................................................................33
8.2.2 Inverter Parameter Introduction ......................................................................34
8.3 Upgrading the Firmware Via USB Flash Disk ..........................................35
6HWWLQJ,QYHUWHU3DUDPHWHUVYLD:(0DWH$SS.......................................35
9 Maintenance.........................................................................36
3RZHU2ࢆWKH,QYHUWHU...............................................................................36
9.2 Removing the Inverter...............................................................................36
9.3 Disposing of the Inverter ..........................................................................36
9.4 Troubleshooting .........................................................................................36
5RXWLQH0DLQWHQDQFH.................................................................................43
10 Technical Parameters ........................................................44

Disclaimer
1
User Manual V1.3-2022-11-18
1 About This Manual
1.1 Applicable Model
1.2 Target Audience
This manual describes the product information, installation, electrical connection, commissioning,
troubleshooting, and maintenance. Read through this manual before installing and operating the
SURGXFW$OOWKHLQVWDOOHUVDQGXVHUVKDYHWREHIDPLOLDUZLWKWKHSURGXFWIHDWXUHVIXQFWLRQVDQG
safety precautions. This manual is subject to update without notice. For more product details and
latest documents, visit www.gesolarinverter.com.
This manual applies to trained and knowledgeable technical professionals. The technical
personnel has to be familiar with the product, local standards, and electric systems.
This manual applies to the listed inverters below (GEP or Inverter for short):
Model Nominal Output Power Nominal Output Voltage
GEP3.6-1-30 3.6kW
220/230/240V
GEP4.2-1-30 4.2kW
GEP5.0-1-30 5kW
GEP6.0-1-30 6kW

Disclaimer
2
User Manual V1.3-2022-11-18
6\PERO'HࢉQLWLRQ
1.4 Updates
The latest document contains all the updates made in earlier issues.
V1.0 2022-06-30
• First Issue
V1.1 2022-08-01
• Update 8.3 Setting Inverter Parameters via WE Mate App8SGDWH6RODU*R$SSWR:(0DWH
$SS
V1.2 2022-10-10
• Update 8.2 Setting Inverter Parameters via LCD.
V1.3 2022-11-18
• Update 6.5 Communication.
'LࢆHUHQWOHYHOVRIZDUQLQJPHVVDJHVLQWKLVPDQXDODUHGHࢉQHGDVIROORZV
DANGER
Indicates a high-level hazard that, if not avoided, will result in death or serious injury.
WARNING
Indicates a medium-level hazard that, if not avoided, could result in death or serious injury.
CAUTION
Indicates a low-level hazard that, if not avoided, could result in minor or moderate injury.
NOTICE
+LJKOLJKWDQGVXSSOHPHQWWKHWH[WV2UVRPHVNLOOVDQGPHWKRGVWRVROYHSURGXFWUHODWHG
problems to save time.

Safety Precaution
3
User Manual V1.3-2022-11-18
2 Safety Precaution
2.1 General Safety
2.3 AC Side
Notice
• The information in this user manual is subject to change due to product updates or other
reasons. This guide cannot replace the product labels or the safety precautions in the user
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• Before installations, read through the quick installation guide. For additional information,
please see the user manual.
• $OOLQVWDOODWLRQVVKRXOGEHSHUIRUPHGE\WUDLQHGDQGNQRZOHGJHDEOHWHFKQLFLDQVZKRDUH
familiar with local standards and safety regulations.
• Use insulating tools and wear personal protective equipment when operating the
equipment to ensure personal safety. Wear anti-static gloves, cloths, and wrist strips when
touching electron devices to protect the inverter from damage.
• 6WULFWO\IROORZWKHLQVWDOODWLRQRSHUDWLRQDQGFRQࢉJXUDWLRQLQVWUXFWLRQVLQWKLVPDQXDO7KH
manufacturer shall not be liable for equipment damage or personal injury if you do not
follow the instructions. For more warranty details, please visit www.gesolarinverter.com.
Notice
The inverters are designed and tested strictly complies with related safety rules. Read and
follow all the safety instructions and cautions before any operations. Improper operation might
cause personal injury or property damage as the inverters are electrical equipment.
DANGER
Connect the DC cables using the delivered PV connectors. The manufacturer shall not be liable
for the equipment damage if other connectors or terminals are used.
WARNING
• Ensure the component frames and the bracket system are securely grounded.
• Ensure the DC cables are connected tightly, securely and correctly.
• 0HDVXUHWKH'&FDEOHXVLQJWKHPXOWLPHWHUWRDYRLGUHYHUVHSRODULW\FRQQHFWLRQ$OVRWKH
voltage should be under the permissible range.
WARNING
• The voltage and frequency at the connection point meet the inverter grid connection
requirements
• $GGLWLRQDOSURWHFWLYHGHYLFHVOLNHFLUFXLWEUHDNHUVRUIXVHVDUHUHFRPPHQGHGRQWKH$&
VLGH6SHFLࢉFDWLRQRIWKHSURWHFWLYHGHYLFHVKRXOGEHDWOHDVWWLPHVWKHUDWHG$&RXWSXW
rated current.
• <RXDUHUHFRPPHQGHGWRXVHFRSSHUFDEOHVDV$&RXWSXWFDEOHV&RQWDFWWKHPDQXIDFWXUHU
if you want to use other cables.
2.2 DC Side

Safety Precaution
4
User Manual V1.3-2022-11-18
2.4 Inverter Installation
'$1*(5+LJKYROWDJHKD]DUG
Disconnect all incoming power
DQGWXUQRࢆWKHSURGXFWEHIRUH
working on it.
Delayed discharge. Wait
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until the components are
completely discharged.
Read through the user manual
before working on this device.
Potential risks exist. Wear
proper PPE before any
operations.
High-temperature hazard. Do
not touch the product under
operation to avoid being burnt.
Grounding point.
&(0DUN Do not dispose of the inverter
as household waste. Discard
the product in compliance with
local laws and regulations,
or send it back to the
manufacturer.
DANGER
• Do not apply mechanical load to the terminals, otherwise the terminals can be damaged.
• $OOODEHOVDQGZDUQLQJPDUNVVKRXOGEHYLVLEOHDIWHUWKHLQVWDOODWLRQ'RQRWVFUDZO
damage, or cover any label on the device.
• 7HVWLQJWR$61=6IRUPXOWLSOHLQYHUWHUFRPELQDWLRQVKDVQRWEHHQFRQGXFWHG
Warning labels on the inverter are as follows.
2.5 Personal Requirements
NOTICE
• Personnel who install or maintain the equipment must be strictly trained, learn about
safety precautions and correct operations.
• 2QO\TXDOLࢉHGSURIHVVLRQDOVRUWUDLQHGSHUVRQQHODUHDOORZHGWRLQVWDOORSHUDWHPDLQWDLQ
and replace the equipment or parts.

Safety Precaution
5
User Manual V1.3-2022-11-18
2.6 EU Declaration of Conformity
General Electric Company hereby declares that the inverter with wireless communication modules
sold in the European market meets the requirements of the following directives:
• Radio Equipment Directive 2014/53/EU (RED)
• Restrictions of Hazardous Substances Directive 2011/65/EU and (EU) 2015/863 (RoHS)
• Waste Electrical and Electronic Equipment 2012/19/EU
• 5HJLVWUDWLRQ(YDOXDWLRQ$XWKRUL]DWLRQDQG5HVWULFWLRQRI&KHPLFDOV(&1R5($&+
General Electric Company hereby declares that the inverter without wireless communication
modules sold in the European market meets the requirements of the following directives:
• (OHFWURPDJQHWLFFRPSDWLELOLW\'LUHFWLYH(8(0&
• (OHFWULFDO$SSDUDWXV/RZ9ROWDJH'LUHFWLYH(8/9'
• Restrictions of Hazardous Substances Directive 2011/65/EU and (EU) 2015/863 (RoHS)
• Waste Electrical and Electronic Equipment 2012/19/EU
• 5HJLVWUDWLRQ(YDOXDWLRQ$XWKRUL]DWLRQDQG5HVWULFWLRQRI&KHPLFDOV(&1R5($&+
You can download the EU Declaration of Conformity on https://www.gesolarinverter.com.

Product Introduction
6
User Manual V1.3-2022-11-18
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3 Product Introduction
3.1 Application Scenarios
The GEP inverter is a single-phase PV string grid-tied inverter. The inverter converts the DC
SRZHUJHQHUDWHGE\WKH39PRGXOHLQWR$&SRZHUDQGIHHGVLWLQWRWKHXWLOLW\JULG7KHLQWHQGHG
use of the inverter is as follows:
PV String Inverter
Circuit
Breaker
Circuit Breaker
(optional)
Utility
Grid
3.2 Circuit Diagram
DC Switch
(0,
Filter
(0,
Filter
(0,
Filter
DC SPD $&63'
'&$&
Inverter
Circuit
LC
Filter
2XWSXW
Disconnecting
Relay
3.3 Supported Grid Types
For the grid type with neutral wire, the N to ground voltage must be less than 10V.
Inverter Inverter Inverter Inverter

Product Introduction
7
User Manual V1.3-2022-11-18
3.4 Appearance
3.4.1 Parts
No. Parts Description
1 DC Switch Start or stop DC input.
2 DC Switch Lock
2QO\IRU$XVWUDOLD7XUQWKH'&VZLWFKWR2))DQG
lock it to avoid electric shock when you have to work
on the inverter.
3 PV Input Terminal Used to connect the PV module DC input cables.
4
&203RUWIRUFRPPXQLFDWLRQ
module, USB-RS485 cable or
USB.
• Connect a communication module like Bluetooth,
:L)L/$1:L)L*356*HWF7KHPRGXOHW\SH
PD\GLࢆHUGHSHQGLQJRQDFWXDOQHHGV
• Connect the USB-RS485 cable in Brazil.
• Update the software version of the inverter using
D86%ࢊDVKGULYHU
5&203RUWIRU56UHPRWH
shutdown, meter, or CT.
Used to connect the RS485, meter, CT, or remote
shutdown communication cable.
6$&7HUPLQDO 8VHGWRFRQQHFWWKH$&RXWSXWFDEOHZKLFKFRQQHFWV
the inverter and the utility grid.
7&203RUWIRU'5('RUGU\
contact.
Reserved port. Used to connect the DRED cable or
dry contact cable.
8 Grounding Point Used to connect the PE cable.
9 Indicator Indicates working state of the inverter.
10 LCD (optional) 2SWLRQDO8VHGWRFKHFNWKHSDUDPHWHUVRIWKH
inverter.
11 Button (optional) 2SWLRQDO8VHGWRVHOHFWPHQXVGLVSOD\HGRQWKH
screen.
12 0RXQWLQJ3ODWH Used to install the inverter.
13 Heat sink Used to cool the inverter.

Product Introduction
8
User Manual V1.3-2022-11-18
3.4.2 Dimensions
3.4.3 Indicators
With LCD
Without LCD
Indicator Status Description
21 :L)L,6&211(&7('$&7,9(
%/,1. :L)L6<67(0,65(6(77,1*
%/,1. 127&211(&7('727+(5287(5
%/,1. :L)L6(59(5352%/(0
%/,1. 56,6&211(&7('
2)) :L)L,6127$&7,9(
21 7+(,19(57(5,6)((',1*32:(5
2)) 7+(,19(57(5,6127)((',1*32:(5$77+(020(17
21 $)$8/7+$62&&855('
2)) 12)$8/7
Indicators Status Description
21 (48,30(1732:(521
2)) (48,30(1732:(52))
21 7+(,19(57(5,6)((',1*32:(5
2)) 7+(,19(57(5,6127)((',1*32:(5
6,1*/(6/2:)/$6+ 6(/)&+(&.%()25(&211(&7,1*727+(*5,'
6,1*/()/$6+ &211(&7,1*727+(*5,'
Power
Power
2SHUDWLQJ
2SHUDWLQJ
Faulty

Product Introduction
9
User Manual V1.3-2022-11-18
Indicators Status Description
21 :,5(/(66,6&211(&7('$&7,9(
%/,1. :,5(/(666<67(0,65(6(77,1*
%/,1. :,5(/(665287(5127&211(&7('
%/,1. :,5(/(666(59(5352%/(0
%/,1. 56,6&211(&7('
2)) :,5(/(66,6127$&7,9(
21 $)$8/7+$62&&855('
2)) 12)$8/7
3.4.3 Nameplate
The nameplate is for reference only.
Faulty
6(06
(&USBEFNBSLQSPEVDUUZQF
BOEQSPEVDUNPEFM
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$POUBDUJOGPSNBUJPOBOETFSJBMOVNCFS

Check and Storage
10
User Manual V1.3-2022-11-18
4 Check and Storage
4.1 Check Before Receiving
4.2 Deliverables
Check the following items before receiving the product.
1. Check the outer packing box for damage, such as holes, cracks, deformation, and other
signs of equipment damage. Do not unpack the package and contact the supplier as soon as
possible if any damage is found.
2. Check the inverter model. If the inverter model is not what you requested, do not unpack the
product and contact the supplier.
3. Check the deliverables for correct model, complete contents, and intact appearance. Contact
the supplier as soon as possible if any damage is found.
Notice
• The type and number of the 2PIN terminal and the 6PIN terminal are decided by the
selected communication method.
• &RPPXQLFDWLRQPRGXOHW\SHV:L)L/$1:L)L/$1*356%OXHWRRWK*HWF7KHDFWXDO
module delivered depends on the communication method of the selected inverter.
• USB-RS485 cable is only for Brazil.
Inverter *1 0RXQWLQJSODWH Documents *1
&20PRGXOH1
Expansion bolt *3 PV connector *2
$&FRQQHFWRU
USB-RS485
cable *1
Grounding
screw *1 27WHUPLQDO
2PIN
communication
terminal *N
6PIN terminal
*N
or
or
6FUHZIRU&20
port cover plate
*4

Check and Storage
11
User Manual V1.3-2022-11-18
4.3 Storage
If the equipment is not to be installed or used immediately, please ensure that the storage
environment meets the following requirements:
1. Do not unpack the outer package or throw the desiccant away.
2. 6WRUHWKHHTXLSPHQWLQDFOHDQSODFH0DNHVXUHWKHWHPSHUDWXUHDQGKXPLGLW\DUH
appropriate and no condensation.
3. The height and direction of the stacking inverters should follow the instructions on the
packing box.
4. The inverters must be stacked with caution to prevent them from falling.
5. If the inverter has been long term stored, it should be checked by professionals before being
put into use.

Installation
12
User Manual V1.3-2022-11-18
5 Installation
5.1 Installation Requirements
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2. Install the equipment on a surface that is solid enough to bear the inverter weight.
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installation space should be large enough for operations.
4. The equipment with a high ingress protection rating can be installed indoors or outdoors.
The temperature and humidity at the installation site should be within the appropriate range.
5. Install the equipment in a sheltered place to avoid direct sunlight, rain, and snow. Build a
sunshade if it is needed.
6. Do not install the equipment in a place that is easy to touch, especially within children’s
reach. High temperature exists when the equipment is working. Do not touch the surface to
avoid burning.
7. Install the equipment at a height that is convenient for operation and maintenance, electrical
connections, and checking indicators and labels.
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have to:
• Install the inverter at least 30m far away from the wireless equipment.
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cable of the inverter.
Installation Environment Requirements
≥300mm
≥300mm ≥500mm
≥200mm ≥200mm
Children No Touch

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User Manual V1.3-2022-11-18
Installation Angle Requirements
• Install the inverter vertically or at a maximum back tilt of 15 degrees.
• Do not install the inverter upside down, forward tilt, back forward tilt, or horizontally.
Mounting Support Requirements
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• Do not install the product on the support with poor sound insulation to avoid the noise
generated by the working product, which may annoy the residents nearby.
0%~100%RH
IP66
$/T: 4000m
(*3000m for
$XVWralia)

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User Manual V1.3-2022-11-18
The following tools are recommended when installing the equipment. Use other auxiliary tools
on site if necessary.
Installation Tool Requirements
Goggles Safety shoes Safety gloves Dust mask
Diagonal pliers
0DUNHU Level Heat shrink
tube
Rubber
hammer
DC wiring
wrench
Vacuum
cleaner
Torque wrench
Cable tie0XOWLPHWHU
Wire stripper Hammer drill Heat gun
DC terminal
crimping tool

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User Manual V1.3-2022-11-18
5.2 Inverter Installation
5.2.2 Installing the Inverter
5.2.1 Moving the Inverter
CAUTION
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personal injury or equipment damage.
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the equipment to avoid personal injury.
2. Wear safety gloves to avoid personal injury.
3. Keep balance to avoid falling down when moving the equipment.
NOTICE
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• Wear goggles and a dust mask to prevent the dust from being inhaled or contacting eyes
when drilling holes.
• The DC switch lock is prepared by the customer.
Step 1 Put the mounting plate on the wall or the support horizontally and mark positions for
drilling holes.
Step 2 Drill holes to a depth of 80mm using the hammer drill. The diameter of the drill bit
should be 10mm.
Step 3 Secure the mounting plate using the expansion bolts.
Step 4 (Only for Australia.) Install the DC switch lock.
Step 5 Install the inverter on the mounting plate.
Step 6 Install the anti-theft lock.

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User Manual V1.3-2022-11-18
6 Electrical Connection
6.1 Safety Precaution
NOTICE
• Wear personal protective equipment like safety shoes, safety gloves, and insulating gloves
during electrical connections.
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laws and regulations.
DANGER
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may occur.
• Perform electrical connections in compliance with local laws and regulations. Including
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• If the cable bears too much tension, the connection may be poor. Reserve a certain length of
the cable before connecting it to the inverter cable port.
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