greenworks 320102087802 Power Hub Green Installation Guide
- June 1, 2024
- Greenworks
Table of Contents
- greenworks 320102087802 Power Hub Green
- Product Information
- Product Usage Instructions
- Frequently Asked Questions
- About this Manual
- Safety
- Specification
- Site Requirements and Pre-installation Guidance
- Preparation before Installation
- Plan the Installation Site
- Mechanical Installation
- Wiring Connection on the Inverter
- Wiring Connection on the BI
- Close Wiring Cover and Turn on the System
- Indicator Light and Button
- Troubleshooting
- Maintenance
- Commission the System
- CSR2125N: 125 A / 240 V, 25 kAIC, 2-Pole 150 CSR2150N Eaton # CSR2150N: 150
- References
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
greenworks 320102087802 Power Hub Green
Product Information
Specifications
- GWU-GreenE SYSTEM
- Manufacturer: Greenworks North America, LLC
- Address: 500 South Main Street, Suite 450 Mooresville, NC 28115
- Contact: Tel: 1-888-909.6757, E-mail: PowerHub@greenworkspower.com
- Copyright: Greenworks North America, LLC
- Website: www.greenworkstools.com
Product Usage Instructions
1. Safety
- General Safety Instructions: Ensure to follow all safety guidelines mentioned in the manual.
- Important Safety Instructions: Prioritize safety measures during installation and usage.
2. Specification
- GWU-HYB Inverter: Detailed specifications provided in section 3.1.
- Battery: Specifications listed in section 3.2.
- GWU-BI-1.0: Refer to section 3.3 for detailed specifications.
3. Site Requirements and Pre-installation Guidance
- Physical Requirements: Section 4.1 outlines the necessary physical conditions.
- Dimensions of the System: Refer to section 4.2 for system dimensions.
- Installation Space Requirement: Section 4.3 details the space needed for installation.
- Installation Environment Requirement: Follow guidelines in section 4.4 for the suitable installation environment.
4. Plan the Installation Site
Review section 6 for planning the installation site effectively.
5. Mechanical Installation
- Overview of Installation Schemes: Section 7.1 provides an overview of different schemes.
- Installation Methods: Detailed methods are explained in section 7.2.
- Floor-Mounting and Wall-Mounting: Specific instructions in sections 7.3 and 7.4 respectively.
6. Wiring Connection on the Inverter
- Overview of all Electrical Wiring Methods: Section 8.1 gives an overview of wiring methods.
- Power Connection: Detailed instructions in section 8.2.
Frequently Asked Questions
- Q: Is it mandatory to follow the safety instructions during installation?
- A: Yes, it is crucial to adhere to all safety instructions provided in the manual for safe installation and operation.
- Q: Where can I find detailed specifications of the GWU-HYB inverter?
- A: The detailed specifications of the GWU-HYB inverter can be found in section 3.1 of the manual.
INSTALLATION GUIDE
GWU-GreenE SYSTEM
Greenworks North America, LLC
Add: 500 South Main Street, Suite 450 Mooresville, NC 28115 Tel:
1-888-909.6757 E-mail: PowerHub@greenworkspower.com
320102087802
UL
Copyright Declaration
The copyright of this manual belongs to Greenworks North America, LLC. Any
corporation or individual should not plagiarize, partially or fully copy
(including software, etc.), and no reproduction or distribution of it in any
form or by any means. All rights reserved. Greenworks North America, LLC
reserves the right of final interpretation.
www.greenworkstools.com
About this Manual
About this Manual
1.1Scope of Validity
This manual is an integral part of the GWU-GreenE system including GWU-HYB
series / GWU-AC series inverter, battery and BI. It describes the assembly,
installation, commissioning and maintenance. Please read it carefully before
operating. Store this manual where it will be accessible at all times.
The installation and instructions in this manual will take GWU-GreenE system
including GWU-HYB series inverter, battery and BI as an example.
WARNING! Save these instructions-This manual contains important instructions
for the GWU-GreenE system that shall be followed during installation of the
system.
1.2Target Group
This manual is for qualified electricians. The tasks described in this manual
should only be performed by qualified electricians.
1.3Symbols Used
The following types of safety instructions and general information appearing
in this document are described below:
DANGER! “Danger” indicates a hazardous situation which, if not avoided, will
result in serious injury or death.
WARNING! “Warning” indicates a hazardous situation which, if not avoided,
could result in serious injury or death.
CAUTION! “Caution” indicates a hazardous situation which, if not avoided,
could result in minor to moderate injury.
NOTE! “Note” provides tips for the optimal operation of our product.
1
About this Manual
1.4About GWU-GreenE System
GWU-HYB series inverter is transformerless type without galvanic isolation. It
is designed and certified to fulfill the directives of ANSI/NFPA 70, NEC
690.41, UL 1741, UL 1741 SA, IEEE 1547 and IEEE 1547.1. The inverter converts
the DC power generated by PV strings into AC power and stores the energy into
the battery bank or feeds the power into the power grid.
With the device, you have acquired the system that can be used to power
critical loads during a grid outage by using a battery and realize automatic
transfer from grid connection mode to off grid mode or from off grid mode to
grid connection model by using backup interface (BI). The inverter also has
the ability to use power generated from PV arrays along with other string
inverter.
GWU-HYB series The GWU-HYB series inverter manages battery and system energy.
PV Array The PV array works in MPPT mode. For 3.8 kW, 5.0 kW and 6.0 kW
inverter, the number of PV string is two. For 7.6 kW inverter, the number of
PV string is three.
RSD The RSD provides an automatic disconnect of residential or small
commercial PV systems, fully compliant with the rapid shutdown requirements of
National Electric Code (NEC), ANSI / NFPA 70 Sections 690.12.
Battery (Optional) The GWU-HYB series inverter should be coupled a high
voltage battery. The battery communicate with inverter via BMS and must comply
with the specification of UL 1973.
Backup Interface (Optional) The backup interface supports multi-inverter
parallel connection, controls disconnection of house loads from the grid in
case of a power outage and integrates the energy meter, microgrid
interconnection device and generator to enable grid-tied solar backup.
Monitoring Cloud Monitoring Cloud is an intelligent, multifunctional
monitoring platform that can be accessed either remotely or through a hard
wired connection. With the Monitoring Cloud, the operators and installers can
always view key and up to date data.
2
1.4.1 System Overview System overview of GWU-HYB
PV1
PV2
PV3
About this Manual
Monitoring Cloud
RSD
RSD
RSD
BI
Generator
App
Meter GWU-HYB inverter and battery
Main panel
Load
DC Power AC Power Communication Cloud
Utility Grid
3
About this Manual
System overview of GWU-AC
Monitoring Cloud BI
App
Generator
GWU-AC inverter and battery
Sub panel Main panel
Load
DC Power AC Power Communication Cloud
CT
Existing Solar System
Meter PV
Utility Grid
4
About this Manual
1.4.2 Solutions · Whole home backup solution
Up to 4 GWU-HYB series inverter parallel Up to 4 battery modules stackable per
inverter Homeowners are automatically provided with backup power in the event
of grid interruption to whole home loads. · Partial home backup solution Up to
4 GWU-HYB series inverter parallel Up to 4 battery modules stackable per
inverter Homeowners are automatically provided with backup power in the event
of grid interruption to selected loads. · Whole home backup solution with
microgrid system Up to 4 GWU-AC series inverter parallel Up to 4 battery
modules stackable per inverter Friendly with existing PV system Homeowners are
automatically provided with backup power in the event of grid interruption to
whole home loads. · Partial home backup solution with microgrid system Up to 4
GWU-AC series inverter parallel Up to 4 battery modules stackable per inverter
Friendly with existing PV system Homeowners are automatically provided with
backup power in the event of grid interruption to selected loads.
5
Safety
2 Safety
2.1 General Safety Instructions
This manual contains important instructions for GWU-HYB series inverter that
should be followed during installation and maintenance for the inverter.
GWU-HYB series inverter is designed and tested to meet all applicable North
American and International safety standards. However, like all electrical and
electronic equipment, safety precautions must be observed and followed during
installation and operation of the GWU-HYB series inverter to reduce the risk
of personal injury and to ensure a safe installation.
Installation, commissioning, service, and maintenance of GWU-HYB series
inverter must only be performed by authorized personnel that are licensed and
/ or satisfy state and local jurisdiction regulations.
Before starting installation or commissioning, read the entire manual
carefully to ensure correct and safe installation or commissioning. And keep
the user manual in a safe place.
All US electrical installations must comply and be in accordance with all the
state, local, utility regulations, and National Electrical Code ANSI/NFPA 70.
2.2 Important Safety Instructions
WARNING! This document does not replace and is not intended to replace any
local, state, provincial, including without limitation applicable in the
jurisdiction of installation. Greenworks assumes no responsibility for the
compliance or non-compliance with such laws or codes in connection with the
installation of the product.
DANGER! Danger to life due to high voltages in the product! Before installing
or using the product, read all the instructions, cautions, and warnings in
this manual. Failure to do so or to follow any of the instructions or warnings
in this document can result in electrical shock, serious injury or death, or
may damage the product. Before connecting the product to the electrical
utility grid, contact the local utility company. All work must be carried out
by a qualified electrician. Children should be supervised to ensure that they
do not play with the appliance.
6
Safety
WARNING! Do not install the system in a corrosive environment where it may be
exposed to ammonia, corrosive gases, acids, or salts (eg: chemical plant,
fertilizer storage areas, tanneries, near volcanic ash eruption).
WARNING! Do not disassemble any parts of the product which are not mentioned
in the installation guide. It contains no user-serviceable parts. See warranty
for instructions on obtaining service. Attempting to service the device by
yourself may result in a risk of electric shock or fire and will void your
warranty.
WARNING! The inverter input and output circuits are isolated from the
enclosure. This system does not include an isolation transformer and should be
installed with an ungrounded PV array in accordance with the requirements of
ANSI / NFPA 70, NEC 690.41. Equipment grounding is the responsibility of the
installer and must be performed in accordance with all applicable Local and
National Codes.
WARNING! Before operating the inverter, ensure that the inverter is grounded
properly. This product must be connected to a grounded, metal, permanent
wiring system, or an equipment-grounding conductor must be run with the
circuit conductors and connected to the equipment grounding terminal or lead
on the product.
WARNING! When a ground fault is indicated, normally grounded conductors may be
ungrounded and energized or normally ungrounded conductors may be grounded.
7
Safety
WARNING! Do not operate the device when the device is running.
CAUTION! Only accessories shipped with the product are recommended to use.
Using other accessories may result in a fire or injury to the user.
CAUTION! Possible damage to health as a result of the effects of radiation! Do
not stay closer than 7.87 in / 20 cm to system for a long time.
CAUTION! Danger of burn injuries due to hot enclosure parts! During operation,
the enclosure may become hot.
CAUTION! Risk of electric shock from energy stored in the capacitor. Never
operate on the inverter couplers, the Mains cables, battery cables, and PV
cables when power is applied. After switching off the PV, battery and Mains,
always wait for 5 minutes to fully discharge the intermediate circuit
capacitors discharge before unplugging DC, battery and Mains couplers.
CAUTION! GWU-HYB series only supports a certain type of lithium-ion battery
(Manufacturer certified battery)!
WARNING! Do not expose system to ambient temperatures above 140°F (60°C) or
below -13°F (-25°C).
WARNING! Do not attempt to open, disassemble, repair, tamper with or modify
the product. The product and its components are not user serviceable.
8
Safety
Battery safety instructions GWU-HYB Series inverter should be coupled with a
high voltage battery. The battery must comply with UL 1973 and must be
Greenworks certified. As accumulator batteries may contain potential electric
shock and short-circuit current dangers, to avoid accidents that might be thus
resulted, the following warnings should be observed during battery
replacement: · Risks of explosion: Do not subject the battery module to heavy
impacts. Do not crush or puncture the battery module. Do not dispose of the
battery module in a fire. · Risks of fire: Do not expose the battery module to
temperatures in excess of 140°F. Do not place the battery module near a heat
source, such as a fireplace. Do not expose the battery module to direct
sunlight. Do not allow the battery connectors to touch conductive objects such
as wires. · Risks of electric shock: Do not disassemble the battery module. Do
not touch the battery module with wet hands. Do not expose the battery module
to moisture or liquids. Keep the battery module away from children and
animals. · Risks of damage to the battery module: Do not expose the battery
module to liquids. Do not subject the battery module to high pressures. Do not
place any objects on top of the battery module.
9
Specification
3 Specification
3.1 Specification of GWU-HYB Inverter PV Input
Model
Max.recommended PV power [W] Max.MPPT power [W] Max.DC voltage [V] Norminal DC
operating voltage [V] Max. input current [A] Max. short circuit current [A]
MPPT voltage range [V] MPPT voltage range [V](full load) Start input voltage
[V] No. of MPP trackers Strings per MPP tracker DC disconnection switch AFCI
AC Input/Output
Model
Norminal AC power [VA] Max. apparent AC power [VA] Rated grid voltage [V]
Rated grid Frequency [Hz] Norminal AC current [A] Max. AC current [A] Maximum
output fault current and duration [A/ ms] Maximum output fault peak current
and duration [A/ ms] Displacement power factor Total harmonic distortion (THD,
rated power) Parallel operation
General Data
General Dimensions with Safety Switch (WxHxD) [in(mm)] Weight with Safety
Switch [lb(KG)] Cooling concept Topology Communication
Revenue Grade Data, ANSIC12.20
10 Warranty [Years]
GWU-HYB-3.8DH 7600 5700
176-500
GWU-HYB-3.8DH 3816 3816 15.9 15.9
GWU-HYB-3.8DH
GWU-HYB-5.0DH GWU-HYB-6.0DH
10000 7500
550 360 A:16/B:16 A:20/B:20 90-500 232-500 120 2 A:1/B:1 Yes Yes
10000 9000
278-500
GWU-HYB-7.6TH 15200 11400
A:16/B:16/C:16 A:20/B:20/C:20
235-500
3 A:1/B:1/C:1
GWU-HYB-5.0DH GWU-HYB-6.0DH
5016 5016
20.9 20.9
240 50/60
48/90
6000 6000
25 25
515/5 0.8 leading to 0.8 lagging
<3% Yes
GWU-HYB-7.6TH 7608 7608
31.7 31.7
GWU-HYB-5.0DH
GWU-HYB-6.0DH
33.115.75.7(840400145) 75 (34)
Natural convection with internal fan Transformerless
RS485, CAN, WIFI (optional) / 4G (optional) Optional 10
GWU-HYB-7.6TH
Specification
Battery Input/Output
Model Battery type Input/output voltage range [V] Rated input/output voltage [V] Maximum input power [W] Maximum output power [W] Maximum Input/output current [A] Reverse-Polarity Protection Cycle efficiency charging to discharging (PCS Only)
GWU-HYB-3.8DH
4060 3816 88.5%
GWU-HYB-5.0DH GWU-HYB-6.0DH Li-ion
75-450
150
5336
6383
5016
6000
54 Yes
90.5%
91.5%
GWU-HYB-7.6TH
8094 7600 92.5%
Efficiency, Power Consumption and Standard
Model CEC Weighted Efficiency (PV to GRID) Maximum Inverter Efficiency
Power consumption Internal consumption(night) [W] Standard
GWU-HYB-3.8DH 97.0% 98.0%
GWU-HYB-5.0DH 97.5% 98.0%
GWU-HYB-6.0DH 97.5% 98.0%
GWU-HYB-7.6TH 97.5% 98.0%
<3W
Safety
EMC Certification RoHS
UL1741,UL1741 SA,UL1699B, CSA C22.2 No. 107.1-16, CSA – C22.2 No. 292-18
FCC part15 class B IEEE1547, Rule 21,Rule14 (HI)
Yes
Environment Limit
Environment limit Protection class
GWU-HYB-3.8DH
Operating Temperature Range [°F (°C)]
De-rating start temperature [°F (°C)]
Storage temperature Range [°F (°C)] Humidity []
Altitude [ft (m)]
Noise emission(typical) [dBA]
Over voltage category
GWU-HYB-5.0DH GWU-HYB-6.0DH NEMA 4X
13 to +140 (25 to +60) 113 (45 ) or above
13 to +167(25 to +75 ) 0%95% RH
9843 (3000) MAX < 30
IV (electric supply side), II (PV side)
GWU-HYB-7.6TH
11
Specification
3.2 Specification of Battery
Model Nominal Voltage [Vdc) Operating Voltage [Vdc) Nominal Capacity [Ah)
Nominal Energy [kWh) Usable Energy 90% DOD [kWh) Max. Charge/Discharge Current
(A) Recommend Charge/Discharge Current (A) Standard Power (kW) Max. Power (kW)
Battery Roundtrip Effciency(0.2C,25°C/77°F) Expected Lifetime(25°C/77°F) Cycle
Life90% DOD(25°C/77°F) Charge Temperature Discharge Temperature
Storage Temperature
Ingress Protection
GWU-BAT-10.0H 102.4 90-116 100 10 9.2 54 50 5.12 5.5
GWU-BAT-15.0H 153.6
135-174 100 15 13.8 54 50 7.68 8.3 95%
10 years
6000 cycles
32°F~127.4°F/0°C~53°C
-14°F~127.4°F/-10°C~53°C
-4°F~122°F/-20°C~50°C (3 months) 32°F~104°F/0°C~40°C (12 months)
GWU-BAT-20.0H 204.8
180-232 100 20 18.4 54 50 10.24 11.1
IP65
3.3 Specification of Backup Interface
Grid Input / Output to Main Distribution Panel at Grid Tie AC Output Voltage (Nominal) [Vac] AC Output Voltage Range [Vac] AC Frequency (Nominal) [Hz] AC Frequency Range [Hz] AC Current Input [A]
120/240 Split Phase 105.5-132 / 211-264
50/60 47-53/59.3-60.5
160
Output to Main Distribution Panel at Backup Operation AC Output Voltage(Nominal) [Vac] AC Output Voltage Range [Vac] AC Frequency(Nominal) [Hz] AC Frequency Range [Hz] Split Phase Imbalance [A] AC Current Output (Max) [A] 12
120/240 Split Phase 105.5-132 / 211-264
50/60 45-55/55-65
41.7 160
Input from Inverter Number of Inverter Inputs Rated AC Power [W] Maximum
Continuous Input Current @240V [A] Inverter Input AC Circuit Breaker [A]
Generator Maximum Rated AC Power [W] Maximum Continuous Input Current [Aac]
Auto Generator Start
Others Energy Meter Communication Number of Communication Ports Manual Control
Over Micro-grid Interconnection Device LED Display
Standard Compliance Safety Emissions
Installation Specifications AC from Grid Conduit Size / AWG Range AC Inverter
Conduit Size / AWG Range AC Generator Input Conduit Size / AWG Range
Communication Conduit Size / AWG Range Maximum Elevation [ft/m] Weight [lb/kg]
Cooling Noise [dBA] Operating Temperature Range [°F/°C] Protection Rating
Dimensions (HxWxD) [in/mm] Warranty [years]
Specification
4 3800 / 5000 / 6000 / 7600
15.9 / 20.9 / 25 / 31.7 20 / 30 / 35 / 40
15000 63 Yes
1% Accuracy RS485 2 Yes 3
Ul1741, CSA 22.2 NO.107 FCC part 15 Class B
2″ Conduit / #0-4 / 0 AWG 1″ Conduit / 12-8 AWG 1″ conduit / 8-4 AWG 1″
conduit / 24-16 AWG 9843 / 3000 MAX 69.4/31.5 Fan (user replaceable) >50 13
to +140/25 to +60 NEMA 3R
17.727.87.3 / 450706185 10
13
Site Requirements and Pre-installation Guidance
4. Site Requirements and Pre-installation Guidance
4.1 Physical Requirements
The installation of GWU-GreenE system including GWU-HYB inverter, battery and
BI must be done in accordance with local codes and the National Electric Code
(NEC) ANSI / NFPA 70 or the Canadian Electrical Code CSA C22.1.
The whole system requires adequate clearance for the installation, cabling or
conduit and airflow. Do not install anything above each unit that limits
access to the unit or that might fall and damage the unit. Do not mount each
unit upside down. The inverter and battery in the system can be wall-mounted
or floor-mounted. The BI in the system must be wall-mounted and installed on
the right side of inverter. It needs to be configured for cable entry at the
bottom and sides of the enclosure.
Each unit has mounting bracket to support it. Mounting requirements based on
wall type are provided in Section 7.1.
4.2 Dimensions of the System
Figure 1 Dimensions of inverter
15.74 in 400 mm
32.95 in 837 mm
5.74 in 146 mm
11.81 in 300 mm
5.23 in 133 mm
2.95 in 75 mm
Figure 2 Dimensions of battery
Site Requirements and Pre-installation Guidance
33.46 in 850 mm
BMS (GWU-BAT-BMS)
5.82 in 148 mm
1.02 in 26 mm
1.02 in 26 mm
33.46 in 850 mm Battery Module (GWU-BAT-5.0H)
33.46 in 850 mm
Base
5.82 in 148 mm
5.82 in 148 mm
14
15
Site Requirements and Pre-installation Guidance
Figure 3 Dimensions of BI
7.28 in 185 mm
27.79 in 706 mm
17.71 in 450 mm
5.94 in 151 mm
Site Requirements and Pre-installation Guidance
4.3 Installation Space Requirement Inverter and battery space requirement
32 in / 812.8 mm
28 in / 711.2 mm 24 in / 609.6 mm 20 in / 508.0 mm
8 in / 207.2 mm
8 in / 207.2 mm
Inverter
32 in / 812.8 mm 28 in / 711.2 mm 24 in / 609.6 mm 20 in / 508.0 mm
Battery
16
17
Site Requirements and Pre-installation Guidance
To ensure good heat dissipation and convenient disassembly of the inverter and
battery, the minimum clearance around the inverter and battery shall not be
less than the following values, as shown below. The height above the ground
marked below is recommended assuming that four BATs are installed with
floormounting.
19.68 in (500 mm)
19.68 in (500 mm)
19.68 in (500 mm)
19.68 in (500 mm)
55.43 in (1408 mm)
Site Requirements and Pre-installation Guidance
For multi-inverter installation, please reserve the space of 19.68 inch (500
mm) at least between each left and right inverter and at least 19.68 inch (500
mm) distance from the ceiling . If multiple inverter are mounted in areas with
high ambient temperatures, increase the clearances between the inverter and
batteries and ensure an adequate fresh-air supply if possible.
19.68 in (500 mm)
19.68 in (500 mm)
19.68 in (500 mm)
19.68 in (500 mm)
55.43 in (1408 mm)
NOTE! In case of wall-mounting, the distance from base to ground is decided according to the local regulations.
18
19
Site Requirements and Pre-installation Guidance
BI space requirement
17.4 in / 443 mm 16 in / 406 mm
12 in / 305 mm
To ensure good heat dissipation and convenient disassembly of the BI, the
minimum clearance around the BI shall not be less than the following values,
as shown below.
19.68 in (500 mm)
11.81 in (300 mm)
11.81 in (300 mm)
19.68 in (500 mm)
19.68 in (500 mm)
Mounting bracket anchoring details
Please refer to the local building codes for actual anchoring conditions.
20
Site Requirements and Pre-installation Guidance
4.4 Installation Environment Requirement
The installation position shall be well ventilated. Make sure the installation
site meets the following conditions: · Not be exposed to glare. · Not in areas
where highly flammable materials are stored. · Not in potential explosive
areas. · Not near the television antenna or antenna cable. · Not higher than
altitude of about 9843 ft (3000 m) above sea level. · Not in environment of
precipitation. · Be sure the ventilation is good enough. · The ambient
temperature in the range of 13°F (-25°C) to +140°F (+60°C). · The slope of
the wall should be within ±5°. · Avoid direct sunlight, rain exposure, snow
laying up during installing and
operating.
+60°C +140°F
50
-25°C
-13°F
0
100
%RH
0-95%RH
No direct sunlight No rain exposure No snow lay up
Near combustibles Direct sunlight
Rain exposure
Snow lay up
Near antenna
21
Preparation before Installation
5. Preparation before Installation
GWU-GreenE is 100% tested and packaged and visually inspected before leaving
our manufacturing facility. Please make sure the inverter is intact during
transportation. If there are some visible damages, such as cracks, please
contact your dealer immediately.
Open the package and fetch out the product, firstly check the accessories. The
packing list shows as below.
DANGER! Before installation, please make sure the breaker of battery is in
“OFF” position. During installation, make sure the battery terminal is not
short-circuited.
5.1 Packing Lists of Inverter
In the inverter box
A
In the inverter accessory box
D
B
E
F
I
G
H
J K
C
L M N O P QR
22
Preparation before Installation
Item Name
A Inverter X1
B Mental cover X1
C Bracket X1 D Self-tapping screwX12 E Expansion boltX12 F WasherX12 G M5X10
screwX10 H Grounding terminalX5 I PE cableX1 J 8 AWG ferrules X3 K 10 AWG
ferrules X6 L DocumentsX3 M Circuit breakerX1 N Communication dongleX1
(Optional) O Cable protective guardX1
P Fixing plate of coverX2
Q
8-pin female terminal block with terminating resistorX1
R M4X10 screwX2
Description
Product Protect the inverter Support the inverter Fix the bracket Fix the
bracket Fix the bracket Fix the cover, cable protective guard and cover fixing
plate For grounding Grounding cable between inverter and BMS For AC cable For
PV cable User Manual, installation guide and quick installation guide Mount it
on the BI For communication
Protect the cable between inverter and BMS Connect the cover and the bracket
Additional 8-pin female terminal block with terminating resistor
Fix the fixing plate between inverter bracket and BMS
23
Preparation before Installation
5.2 Packing Lists of Battery
BMS (GWU-BAT-BMS)
A
B
Item A B
Name and Quantity BMS User ManualX1
Description Product Guide the installation and maintenance
One Battery Module (GWU-BAT-5.0H×1):
B
C
D E
F
A
G
H
I
Item Name and Quantity
A Battery moduleX1 B BracketX2 C Expansion boltX4 D Expansion boltX2 E
WasherX2 F Fixing plate (3 holes)X2 G Fixing plate (2 holes)X2 H M5*10 cross
screwX10 I Quick Installation GuideX1
Description
Product Support battery module to be mounted on the wall Fix the bracket Fix
the bracket Fix the bracket Connect two battery modules with bracket Connect
two battery modules Fix the fixing plate Guide the installation
NOTE! The above-mentioned accessories are only for one battery module.
24
Preparation before Installation
Accessories for Both Floor and Wall Mounting (Separate Accessory Box)
A
B
C
D
E
F
G
H
Item Name and Quantity
A Base supportX2 B Transverse plateX1 C Expansion screwX6 D M58 countersunk
screwX4 E M520 countersunk screwX6 F Adjustment screwX2 G Self-tapping
screwX6 H WasherX6
Base for Battery:
Description Support the base Support the base Fix the base support in case of concrete wall Fix the transverse plate with base support Fix the two sides of base Adjust the base to be leveled Fix the base support in case of wooden wall Fix the base support in case of wooden wall
Item /
Name and Quantity Base
Description Product
25
Preparation before Installation
5.3 Packing Lists of BI In the BI box
A
B
In the BI accessory box
C
D
E
F
K
G H
I
J
L
Item Name and Quantity
Description
A Backup intefaceX1
Product
B BracketX1
Support the BI to be mounted on the wall
C Expansion boltX5
Four for fixing the bracket and one for fixing the BI
D Self-tapping screwX5
Four for fixing the bracket and one for fixing the BI
E WasherX5
Four for fixing the bracket and one for fixing the BI
F 551323.7mm Copper barX4 For parallel connection with inverter
G M4*12 cross screwX1
Fix the circuit breaker
H M5*12 cross screwX8
Fix the part when parallel connection with inverter
I 40137.9mm Copper barX4 For parallel connection with inverter
J Communication cableX1
Communicate with inverter
K Cable tieX5
Fix the cable
L Punching reference paperX1 For hole location
26
5.4 Tools Required
Type
Name
Individual Protection Tool
Safety gloves Safety goggles
Drill
Preparation before Installation
Tool equipment
Image
Name
Safety shoes
Anti-dust mask
Image
Multimeter
Machine Installation Tools
Crosshead screwdriver
Allen key
Wire stripper Crimping tool
Utility knife
Diagonal pliers
Mallet
Spirit level
Crimping tool for RJ45
MC4 crimping tool
Marker
Measuring tape
Hot-air blower
Electrical hex wrench
Flat-head screwdriver
27
Plan the Installation Site
6. Plan the Installation Site
Choose a propriate location
Choose a wall capable of supporting the full weight of inverter, battery and
BI. If floor-mounting inverter and battery, choose a level surface adjacent to
the below wall.
· Wood studs spaced at 12, 16, 20, 24, 28 and 32 inch · Steel material of
sufficient thickness · Solid concrete or masonry
Choose cable entry of inverter
A conduit fitting or cable gland must be used when wiring connection. For the
wiring connection of inverter, the cable is routed from the right side of
inverter. Totally four 1 inch openings are available for connecting.
A CD
B
E
Item A B C D E F G
F
G
Description BAT+ AC conduit plug Inverter communication connection PV conduit
plugs PV conduit plugs Battery communication connection BAT-
28
Plan the Installation Site
Choose cable entry of BI
A conduit fitting or cable gland must be used when wiring connection. For the
wiring connection of BI, the cable is routed from the bottom and sides of
device. Totally two 2 inch (F and G), one 3/4 inch (J) and seven 1 inch
openings are available for connecting.
J
H
I
Item A B C D E F G H I J
AC E
G
BD
F
Description AC conduit plug for inverter AC conduit plug for inverter AC conduit plug for inverter AC conduit plug for generator AC conduit plug for inverter Conduit plug for load connection Conduit plug for grid connection Reserved Reserved Communication conduit plug
29
Plan the Installation Site
Plan amount and size of conduit
Calculate the amount and size of conduit needed for the installation, based on
filllimits and local code requirements. An adapter may be required between the
entry into the wiring compartment and the conduit.
Plan the distance of each unit in the system
The figure below is for maximum distances between each system unit. Wire gauge
must meet the local requirements and it changes based on distance. Please
refer to “Appendix A Wiring and breaker reference”.
IINNVV11
ININVV22
IINNVV33
IINNVV44
BBI I
MMaxaixmimumumCCabalbeleLeLnegntght:h: 323.28.8ft f(t1(010mm) )
MaximuMmaxCimaubmleCaLbelengLethn:gt1h:61464ftft(5(500 mm))
Mechanical Installation
7. Mechanical Installation
7.1 Overview of Installation Schemes
The anchoring details below is demonstrated assuming that four BATs are
installed. Scheme A Wood Studs (spaced at 12 and 24 inches) If anchoring
directly into wood studs, use at least 8 screws with washers respectively for
inverter and battery, of sufficient length into the studs.
12 inch wood studs
30
31
Mechanical Installation 24 inch wood studs
Mechanical Installation
Scheme B Wood Studs (spaced at 16 and 32 inches) If anchoring directly into
wood studs, use at least 8 screws with washers respectively for inverter and
battery, of sufficient length into the studs.
16 inch wood studs
32
33
Mechanical Installation 32 inch wood studs
Mechanical Installation
Scheme C Wood Studs (spaced at 20 inches) If anchoring directly into wood
studs, use at least 8 screws with washers respectively for inverter and
battery, of sufficient length into the studs.
20 inch wood studs
34
35
Mechanical Installation
Scheme D Wood Studs (spaced at 28 inches) If anchoring directly into wood
studs, use at least 8 screws with washers respectively for inverter and
battery, of sufficient length into the studs.
28 inch wood studs
Mechanical Installation
Scheme E
Concrete or Masonry If anchoring to concrete or masonry wall, use 8 screws
with washers respectively for inverter and battery and make sure the screws
are at least 1.49 in (38 mm) away from the edge of bricks or blocks. Punching
holes spaced at 24 inch is recommended.
36
37
Mechanical Installation
Scheme F Steel material of sufficient thickness If anchoring to steel
material, use 8 screws with washers respectively for inverter and battery.
Punching holes spaced at 24 inch is recommended.
Mechanical Installation
7.2 Installation Methods
There are two alternative installation methods (wall mounting and floor
mounting) and several schemes available for users. For details, please refer
to Section 7.1. The following installation will take Scheme “base+four
batterys+BMS+inverter+BI” mounting on the wooden wall with studs spaced at 32
in / 812.8 mm as an example.
7.3 Floor-mounting
Step 1: Mount the battery a) Remove the dust cover of the base;
WARNING! During installation, please make sure battery port is not
shortcircuited.
NOTE! A distance of at least 19.68 in / 500 mm shall be set aside on both
sides of the whole system.
38
39
1863 mm 73.35 in 1408 mm 55.43 in 1563 mm 61.54 in 1108 mm 43.62 in
Mechanical Installation
Weight and mounting height instructions
4 Batteries 844 mm 33.23 in
Inverter BMS
Battery Battery Battery Battery Base Weight(lb/kg): 591/268
2 Batteries 844 mm 33.23 in
Inverter BMS
Battery Battery Base Weight(lb/kg): 353/160
40
1263 mm 49.72 in
808 mm 31.81 in
3 Batteries 844 mm 33.23 in
Inverter
BMS Battery
Battery
Battery Base Weight(lb/kg): 472/214
Mechanical Installation
b) Insert the adjustment screw (2XM8 adjustment screws) from the bottom of
base and clockwise / anticlockwise turn the adjustment screws by torque wrench
to make the base leveled;
Bottom view
Top view
M8*85 × 4
NOTE! Use a spirit level to measure the sides of the Base to ensure they are even.
NOTE! Clockwise turn the adjustment screws to lower down the base.
Anticlockwise turn the adjustment screws to lift up the base.
c) Locate the base 1.57 in / 40 mm away from the wall, accurately mark the
location of the base on both sides with a marker;
Mark
1.57 in 40 mm
1.57 in
40 mm
41
Mechanical Installation
d) Manual-remove the top and bottom dust cover of the battery module and catch
hold of the handle to stack the battery module to the base. Make sure that
each connecting pole of the battery module or base is well pluged into the
slot of the next battery module which is on the bottom of the module;
Mechanical Installation
e) Mount the fixing plate (2 holes) using M5 10 cross screw, and secure
M510 screws (2 for each side) to connect Base and Battery Module;
Front view of battery module
WARNING! If the Base is shifted after placing a Battery Module, move it to its
original location according to the mark previously drawn. WARNING! During
installation, please make sure battery port is not shortcircuited.
42
M5 8.8 lbf.in / 1.0 N·m
f) Place two battery modules in turn, and secure both left and right sides
with screws (4×M5*10 countersunk screw);
M5 8.8 lbf.in / 1.0 N·m
43
Mechanical Installation
g) Mount the bracket of the battery module; · Screw in M5 * 10 screw to wall
bracket but be sure not to tighten; · Place such wall bracket to the wall,
align its holes to the holes on the · battery module, and use a spirit level
to measure the wall bracket to ensure
it’s even; · Accurately mark the location of the wall bracket on both sides
with a marker; · Circle along the inner ring of the holes; · Remove the wall
bracket, and then drill the two holes (at least 3.54 in / 90
mm) by a 10 Drill.Electric drill dust collector is recommended.
Mechanical Installation
h) Place expansion bolts into the two holes (the expansion bolt is not
required in case of solid wood wall);
32 in /812.8mm
Mark
Attach screw but not tighten
Ø 0.39 in./10 mm for Wall Bracket
3.54 in 90°
/90 mm
CAUTION! Please re-mount the dust cover to the battery module before drilling
holes to avoid dust falling into the interface and do remember to remove the
dust cover again after the installation of wall bracket completed.
44
i) Re-place the wall bracket on the wall where the mark is drawn previously,
and then secure the wall brackets on the wall using tapping screws and washer;
Mark
Attach screw but not tighten, and align the
hole location of battery Tapping Screw × 2 Washer × 2 Wall Bracket × 2
45
Mechanical Installation
j) Let the fixing plate down and place the fourth battery module;
Let the Platen down
k) Fix the fixing plate (3 holes) on both sides of battery module using M5
10 cross screw,and then tighten M510 screws;
Platen (3 holes) × 2 M5*10 Screw × 6
2.2-2.5 N·m
46
Mechanical Installation
l) Mount the wall bracket for the four battery module and BMS. Please refer to
Step g) for details;
Step e, f, g and h
Mark
Let the Platen down
Tapping Screw × 2 Washer × 2
Wall Bracket × 2
NOTE! Electric drill dust collector is recommended. CAUTION! Please re-mount
the dust cover to the battery module before drilling holes to avoid dust
falling into the interface and do remember remove the dust cover again after
the installation wall bracket completed.
47
Mechanical Installation
m) Remove the bottom dust cover of BMS and place the BMS on the top. Fix the
fixing plate (3 holes) on both sides of battery module using M5 10 cross
screw, and then tighten M510 screws.
Mechanical Installation
Step 2: Mount the inverter
a) Two M4 holes are reserved on the BMS for fixing the bracket of the
inverter. · Screw in M4 screws to pre-fix the bracket on the BMS but be sure
not to
tighten. · Hold the bracket firmly to the wall surface. · Tighten the M4
screws to fix the bracket on the BMS.
Step I
Platen (3 holes) × 2 M5*10 Screw × 6
2.2-2.5 N·m
M4
4.4 lbf.in / 0.5 N·m
b) Use the bracket as the template to mark the screw hole location on the
wall;
Round holes
48
49
Mechanical Installation
c) Unscrew the two M4 screws to disassemble the bracket. Drill holes with
power drill, and make sure the holes are deep enough (2.16 in / 55 mm) to
support the inverter.
NOTE! The figure below is only used for showing the depth and location of
holes. Make sure the holes are in the center of each stud and keep at least
1.49 in / 38 mm away from the edge of concrete bricks or studs before marking
holes.
4 drill Depth: 2.16 in / 55 mm
NOTE! For solid concrete wall, please use 10 drill.
Mechanical Installation
d) Insert the expansion tube into the hole and use rubber hammer to knock the
expansion tube into the wall; (It can be ignored in case of wooden wall.)
For wooden wall, this step is not required
For solid concrete wall, this step is required
e) Align the bracket over the holes and re-fix the bracket on the BMS with screws. And set the tapping screw through the washer and secure the bracket with tapping screws. Please hold the bracket firmly to the wall surface before fixing it.
10 mm
26.5 lbf.in / 3.0 N·m
50
51
Mechanical Installation
f) Place the inverter to be seated on the corresponding position of the
bracket. As GWU-HYB series inverters are heavy, weigh 75 lbs / 34 Kg. They
should be lifted up by two persons and placed carefully onto the bracket. Then
adjust the inverter to be centered on the whole system;
Back view
Front view
g) Place the protective guard on the correct position of battery’s BMS prior to the wiring connection between inverter and battery and fix it with the inverter bracket with M5 screws;
Mechanical Installation
h) Pre-mount the fixing plate on the two sides of metal cover and mount the
metal cover on the inverter. Please make sure the four dowel pins are inserted
into the holes of BMS and adjust the whole system (inverter and battery) to be
leveled;
M5
8.8 lbf.in / 1.0 N·m
Inverter BMS
Dowel pins Pins holes
M5
8.8 lbf.in / 1.0 N·m
NOTE! Before mounting the metal cover, the wiring connection between battery and inverter must be completed. For detailed information about how to connect the battery to the inverter, please refer to Chapter 8 and 9 “Electrical Connection”.
52
53
Mechanical Installation
i) Fix the metal cover with six M5 screws.
Left side view
Right side view
M5
8.8 lbf.in / 1.0 N·m
Mechanical Installation
Step 3: Mount the BI a) Use the mounting reference paper as a template to mark
the screw
hole location on the wall; And drill five holes on the wall.
16 in / 406 mm
4 drill
Depth: 2.16 in / 55 mm
NOTE! For solid concrete wall, please use 10 drill. NOTE! The inner-side hole of the bracket is 12 in / 305 mm.
54
55
Mechanical Installation
b) Use mallet to knock the five expansion tube into wall (This step can be
ignored in case of wooden wall).
Mechanical Installation
d) Hang the BI on the bracket. Please make sure the cleat is well seated on
the bracket.
c) Secure the bracket on the wall with tapping screw and washer using torque
wrench. Please hold the bracket firmly to the surface of the wall when fixing
bracket.
10 mm 26.5 lbf.in / 3.0 N·m
e) Secure the BI by screwing in the tapping screw with washer on the bottom of
BI.
10 mm 26.5 lbf.in / 3.0 N·m
56
57
Mechanical Installation
Drill a hole in the back (Not recommended)
Mechanical Installation
a) These three holes correspond to the holes below the perforated paper.
c) Lock nut, waterproof gasket(outside), conduit. NOTE! Prohibit the flow of water inside the tubing water into the machine!
b) Drill the hole with a hole cutter. Choose 1 inch or 2inch size (Metal chips
must be cleaned after drilling)
58
c) The top of the nut and contact surface of the threads must be cleaned after
locking the nut, as well as the contact surface between the nut and the box.
TSE-382 waterproof adhesive or a similar performance glue.
NOTE! Drilling a hole in the wall is required before cutting a hole in the
rear. To guarantee easy installation of the conduit and sealing with the
chassis, the hole’s size must be greater than the conduit’s outside diameter.
59
Mechanical Installation
7.4 Wall-mounting
Step 1: Mount the battery a) Take out of the accessories from a separate
accessory box. Fix the
base support on the transverse plate with M5 countersunk head screw. Studs
spaced at 12, 20 and 24 inch: secure the transverse plate and base support
using screws (2×M5*8 countersunk head screw), and tighten them. See figure
below.
2240iinn//560089..06mmmm
M5
17.7 lbf.in / 2.0 N·m
Studs spaced at 16, 28 and 32 inch: secure the transverse plate and base
support using screws (2×M5*8 countersunk head screw), and tighten them
(Tighten torque: 2.2-2.5 N·m). See figure below.
32 28
iinn//
781112..28
mmmm
M5
17.7 lbf.in / 2.0 N·m
60
Mechanical Installation
b) Mark the hole location and drill holes; · Place the assembled transverse
plate and base support on the wall, look the
cylindrical plastic bubble spirit level on the transverse plate. If the bubble
isn’t in the center, slightly bow it to the horizontal. · Then determine the
position of holes. · Mark it with a marker. · Remove it and drill the four
holes by Drill (12 for concrete wall at least 3.54 in / 90 mm, or 8 for solid
wood wall at least 1.96 in / 50 mm).
32 in/ 812.8mm
Cylindrical plastic bubble spirit level
Ground
Note: The distance from the Base to the ground is decided according to the local regulations.
8 drill Depth:
1.96 in / 50 mm
NOTE! The bubble spirit level on the transverse plate can be used as an
auxiliary tool. Additionally, please prepare a spirit level to measure whether
the plate is even or not.
61
Mechanical Installation
32 in/ 812.8 mm
Cylindrical plastic bubble spirit level
26.5 lbf.in / 3.0 N·m
x 4
x 4
For solid wood wall For concrete wall
d) Secure the base to the assembled base support; · Remove the bottom cover of
the base; · Place base on the base support and secure both left and right
sides with
screws (4 × M5*20 countersunk screw).
M5 8.8 lbf.in / 1.0 N·m
e) The steps of mounting battery modules, BMS and inverter are same as the
floor-mounting’s. Please refer to “7.3 Floor-mounting” for more details.
62
Wiring Connection on the Inverter
8. Wiring Connection on the Inverter
8.1 Overview of All Electrical Wiring Methods
All electrical wiring will be done in the wiring box, and all electrical
wiring methods are similar. Therefore this section will introduce all
electrical wiring steps and requirements. · Opening the wiring box cover
WARNING! Before inverter wiring connection, Make sure no live voltages are
present on PV input and AC output circuits, and make sure that the DC switch
is in “OFF” position, meanwhile, the breaker of battery is in OFF position.
Step 1: Turn DC switch to “OFF” position. Note that the cover cannot be
removed when the DC switch is in “ON” position.
Step 2: Make sure the breaker of battery is in OFF position. Step 3: Remove
the 6 cover screws using Allen key, then disassemble the cover.
3.0 mm
M5 17.7 lbf.in / 2.0N·m
63
Wiring Connection on the Inverter
· Removing wiring box waterproof plugs GWU-HYB series inverter is equipped
with four 1 inch conduit fittings which are used for electrical wiring access.
Four waterproof plugs have been installed on the inverter at the factory.
Before wiring connection, these waterproof plugs should be removed by the
operator. Step 1: Remove the waterproof plugs by placing a flat blade
screwdriver in the slot on the waterproof plug face and turning while gripping
the nut on the inside of the enclosure to ensure it does not slip. Step 2:
Unscrew the nut from the waterproof plug and slip the conduit plug out of the
waterproof opening.
· Conduit installation Operator should use the conduits and plugs with
standard size which must fit with the holes on the right side of the inverter.
Conduit fittings need to be water tight, and an insulated type is preferred.
Once conduit and fittings are installed, wires should go through the conduit
and be locked into the corresponding terminals.
64
Wiring Connection on the Inverter
· Cable entry of inverter
A conduit fitting or cable gland must be used when wiring connection. The
cable is routed from the right side of inverter.
A
C
B
D
Item A B C D
Type of Cable Entry Conduit plug for AC connection Conduit plug for communication connection Conduit plugs for PV connection Conduit plugs for PV connection
8.2 Power Connection
· General steps of connecting electrical wirings to terminals
Step 1: Choose the appropriate wire according to the specific connection.
Step 2: Remove 0.47 in / 12 mm of insulation from the end of DC wire and the
AC wire.
Step 3: Insert the end of wires into the Cord End Terminal, and then use the
crimping tool to crimp the Cord End Terminal tightly (the shape will be
square).
Step 4: Use the slot screwdriver to compress the orange button of the
terminals. Then insert stripped wires into the terminal and ensure that all
conductor strands are captured in the terminal.
Step 5: Loosen the slot screwdriver.
For the specific requirement of power cable, please refer to “Appendix A:
Wiring and Breaker Requirement”.
65
Wiring Connection on the Inverter
0.47 in / 12 mm
Strip Length
Wirings
Conduit
AC wire connection
DC wire connection
66
Wiring Connection on the Inverter
8.2.1 PV Connection
CAUTION! Never reverse the polarity of the array string cables as it can cause
damage to the inverter. Always ensure correct polarity.
WARNING! Select PV modules with excellent functioning and reliable quality.
Open-circuit voltage of module arrays connected in series should be less than
the inverter Max. DC input voltage of 550 V. The inverter warranty is VOID if
the DC input voltage is exceeded.
WARNING! Ensure no live voltages are present on the PV input and AC output
circuit, and verify that the DC disconnect, AC disconnect, and dedicated AC
circuit breaker are in the “OFF” position before installation.
WARNING! Use dark, opaque sheets to cover the PV solar panels before
performing any wiring or connection.
WARNING! Power is fed from more than one source and more than one live
circuit. Note that all DC and AC terminals may carry current even without
connected wires.
WARNING! Ensure maximum protection against hazardous contact voltages while
assembling PV panel installations. Both the positive and negative leads must
be strictly isolated electrically from the protective ground potential (PE).
67
Wiring Connection on the Inverter
x
NOTE! The PV connection mode below is NOT allowed!
+ –
+ –
PV1
PV Array
–
–
+- PV2
Inverter
The inverter supports the following PV module
connection modes+. –
+ +- PV1
+ –
+- PV2
PV
Inverter
· PV String Connection
GWU-HYB Series inverter can be connected with PV modules in series with 2
MPPTs for GWU-HYB-3.8DH, GWU-HYB-5.0DH and GWU-HYB-6.0DH, 3 MPPTs for GWU-
HYB-7.6TH.
ABCDEF
A: PV1 Positive terminal C: PV2 Positive terminal E: PV3 Positive terminal
B: PV1 Negative terminal D: PV2 Negative terminal F: PV3 Negative terminal
68
Wiring Connection on the Inverter
8.2.2 Grid Connection
CAUTION! The installer is responsible for providing overcurrent protection. To
reduce the risk of fire, only connect to a circuit provided with overcurrent
protection in accordance with the National Electrical Code, ANSI/NFPA 70.
The connection procedure will vary depending on the grid configuration. The
following diagram provides an overview of the compatible grid configurations
of which voltage limit, frequency limit and conductors have to be connected to
the inverter to comply with the grid configuration.
Public grid configuration allowed:
240 V 180
240 V 180
240 V 180
240 V 180
N L2 L1 N L2 L1
240 V / 120 V Split Phase AC Grid
240 V / 120 V Stinger AC Grid
Grid terminal connection on the side of inverter
CAUTION! DANGER — HIGH VOLTAGE!
For the specific requirement of power cable, please refer to “Appendix A: Wiring and Breaker Requirement”.
69
Wiring Connection on the Inverter
ABC
A: L1 terminal
B: L2 terminal
C: N terminal
AC circuit breaker requirements
The AC circuit breaker (not included in the GWU-HYB inverter) is required to protect each AC line (L1 and L2) of the HYB series inverter. The circuit breaker should be able to handle the rated maximum output voltage and current of the inverter.
Refer to the table below to determine the specific circuit breaker in order to avoid potential fire hazards. The AC circuit breaker selection and installation must follow the National Electrical Code(NEC), ANSI / NFPA 70 or local electrical codes.
Inverter model GWU-HYB-3.8DH GWU-HYB-5.0DH GWU-HYB-6.0DH GWU-HYB-7.6TH
Description 2-pole, 20 A, 240 Vac 2-pole, 30 A, 240 Vac 2-pole, 35 A, 240 Vac 2-pole, 40 A, 240 Vac
Source can be purchased from manufacturer
NOTE!
If the system is equipped with BI, connect another end of AC cable to BI.
Please refer to “Chapter 9 Wiring Connection on the BI” for details.
70
Wiring Connection on the Inverter
8.2.3 Battery Connection
CAUTION! Never reverse the polarity of the battery cables as this will result
in inverter damage. Always ensure correct polarity.
Charging and Discharging system of GWU-HYB series inverter is designed for
high-voltage lithium-ion battery. As a Lithium-ion battery will be connected
with HYB series inverter, the battery communication should be compatible with
GWU-HYB series inverter and the BMS must be connected between inverter and
battery.
Battery connection diagram for Lithium-ion battery
GWU-HYB Series Inverter
BAT Port BMS Port
BAT terminal connection
Lithium-ion Battery
CAUTION! DANGER — HIGH VOLTAGE! Make sure the breaker of battery is in OFF position.
71
Wiring Connection on the Inverter
A B C On the side of inverter
Inverter
BMS DIP
B
BAT+
BAT-
POWER
A
C
Battery
On the side of battery A: BAT+ B: Communication connection
C: BAT-
1 The BAT+ (red) , communication cable and BAT- (black) cables have been
already connected on the inverter’s side. Only connecting the other end of the
cables to the corresponding port of BMS is needed.
2 Make sure that both ends of the cables are connected correctly to the
connector on the right side of the BMS module.
72
Wiring Connection on the Inverter
8.3 Ground Connection
Please additionally earth the inverter to the enclosure of a second earthing
or equipotential bonding if it is required by local safety. This prevents
electric shock if the original protective conductor fails.
· Ground terminal Ground terminals are as follows. Terminals on bus-bar A and
B are for AC and DC ground connection. Ground terminal C is for ground
connection between inverter and battery
FG
A
BC
· Steps of Ground Connection
a) Strip the insulation of conductor by wire stripper; b) Pull the heat-shrink
tubing over the PE cable and insert the stripped section into the grounding
terminal;
For the specific requirement of power cable, please refer to “Appendix A:
Wiring and Breaker Requirement”.
A C=B+2 cm
Heat-shrink tubing
a
B=A+(2~3 mm)
b
73
Wiring Connection on the Inverter
c) Crimp it with crimping tool, pull the heat-shrink tubing over the stripped
section of the grounding terminal and use a hot-air blower to shrink it so
that it can be firmly contacted with the terminal;
c
d) Connect the ground cable to the inverter and fix it wit M4 screw. When PV
connection, please connect the ground cable to B bus-bars. When grid
connection, please connect the ground cable to A bus-bars.
e) Connect the ground cable between the inverter and battery with M5 screws.
For easier connection, please connect the grounding cable on the BMS first.
M5 17.7 lbf.in / 2.0 N·m
Wiring Connection on the Inverter
8.4 Communication Connection
All communication cables will be done on the communication board which is in
the wiring box. For the specific requirement of cable, please refer to
“Appendix A: Wiring and Breaker Requirement”.
8.4.1 Make Communication Connection to Another Inverter/BI · Inverter
communication system diagram
Inverter
Inverter
BI
120-Ohm terminating resistor
NOTE! In the first inverter in the communication chain, plug the 8-pin female block with the terminating 120-Ohm resistor into the 8-pin male block. Maximum four inverters can be communicated via communication cable.
74
75
Wiring Connection on the Inverter
· Detailed communication connection diagram
ON ACT
321 MLPE
Inverter
COMM IN 12345678
COMM OUT 12345678
AUX 12345678
321 MLPE
Inverter
COMM IN 12345678
COMM OUT 12345678
AUX 12345678
23 456
INV AUX1
12345678 12345678
BI
EPO
AUX2
1 234567 8
CT1 CT2 CT3
Wiring Connection on the Inverter
· Connection steps of terminating resistor Step 1: The 120-Ohm resistor has
been pre-installed on the 8-pin female block before leaving factory. Take it
out from the accessory box. Step 2: Install the 8-pin female block with
resistor to the COMM in male terminal by using slot screwdriver.
0.5 2.5
0.5 2.5
1.8 lbf.in / 0.2N·m
· Connection steps of communication wire Step 1: GWU-HYB series inverter
supports to be connected with additional three inverters in maximum.
Disassemble 8-pin female blocks prior to communication connection. Step 2:
Communication connection between inverters:
Pin 1-Pin 6: Select the CAT5 or better (24-18 AWG), use diagonal plier to cut
off two wires and leave six wires for connection. Remove 0.24 in / 6 mm of
insulation from the end of the six wires.
Pin 7-Pin8: Select two 18-16 AWG wires and remove 0.24 in / 6 mm of insulation
from the end of the two wires.
76
77
Wiring Connection on the Inverter
Communication connection between inverter and BI:
Pin 3-Pin 6: Select the CAT5 or better (24-18AWG), use diagonal plier to cut
off four wires and leave four wires for connection. Remove 0.24 in / 6 mm of
insulation from the end of the four wires.
Pin 7-Pin8: Select two 18-16AWG wires and remove 0.24 in / 6 mm of insulation
from the end of the two wires.
Step 3: Plug stripped wires into female terminal and ensure that all conductor
strands are captured in the terminal.
Step 4: Screw down screw cap tightly.
Step 5: Connection between inverters:
Plug the female terminal block into the COMM OUT male terminal block on the
communication board of the first inverter and screw in each screw tightly. And
plug another end of female terminal block into the COMM IN male terminal block
on the communication board of the second inverter.
Connection between inverter and BI:
Plug the female terminal block into the COMM OUT male terminal block on the
communication board of the inverter and screw in each screw tightly. And plug
another end of female terminal block into the INV communication terminal of
BI. For the specific communication terminal on the BI, please refer to
“Chapter 9 Wiring Connection on the BI”.
Wiring Connection on the Inverter
Diagram for communication connection steps between inverters
Step 1
Step 2 Strip Length 0.24 in / 6 mm
8-pin
24-18 AWG 18-16 AWG
Conduit
Step 3
Step 4
Step 5
1
8
Step 5
1
8
78
79
Wiring Connection on the Inverter
Diagram for communication connection steps between inverter and BI
Step 1
8-pin
Step 2
Strip Length
0.24 in / 6 mm
24-18 AWG 18-16 AWG
Conduit
Step 3
Step 4
Step 5
1
8
On the side of inverter
80
Step 5
1
8
On the side of BI
Wiring Connection on the Inverter
8.4.2 EPO Connection Generally, EPO is connected to backup interface to
simultaneously command the whole system to become idle and enter a safe mode.
While Greenworks GWUHYB series inverter can be wired to include an emergency
stop switch as well. EPO connects to inverter only if no backup interface is
equipped. Please refer to “Appendix B EPO Connection Steps” for more details.
8.4.3 RGM (Meter X) Connection (Optional) The RGM (Meter X) is used to get the
information about the energy flow. If the Meter X has been purchased from
Greenworks, it will be pre-mounted inside the inverter before leaving factory.
8.4.4 External Electricity Meter (Meter Y) Connection (Optional) The external
electricity meter (Meter Y) will be integrated in the backup interface if
Meter Y has been purchased from Greenworks. It connects to inverter only if no
backup interface is equipped in the whole system. Please refer to “Appendix C
Meter Y Connection Diagram” for more details about meter connection on the
inverter.
8.4.5 RSD Transmitter Connection The APsmart Rapid Shutdown System
Transmitter-PLC-1P is part of a rapid shutdown solution when paired with
APsmart signal receiver (RSD-S-PLC-A, RSD-D15-1000 or RSD-D-25-1000), a PV
module rapid shutdown unit. While powered on, the Transmitter-PLC-1P sends a
signal to the signal receiver to keep their PV modules connected and supplying
energy. The signal receiver automatically enter rapid shutdown mode when the
Transmitter-PLC-1P is switched off and resume energy production when power is
restored to the Transmitter PLC-1P. This solution complies with NEC 690.12
specifications for 2017&2020 and supports the SunSpec signal for rapid
shutdown.
NOTE! The RSD has been integrated in the inverter before leaving factory.
NOTE! If an emergency stop switch is required, the customer needs to purchase
and wire it.
81
Wiring Connection on the Inverter
8.4.6 Parallel Connection
GWU-HYB series same-power inverters support up to 4 parallel connection,
Unified EMS management function by the primary machine. The primary and
secondary machines are interconnected via CAN and RS485 buses. For detailed
diagram, please see Appendix C: System Wiring Diagram.
- All parallel solutions must be equipped with BI as standard, and GWU-HYB AC
direct parallel external power meter solution is not supported. 2) The EMS
under grid parallel can support the same modes as the standalone EMS mode,
including: · Self-Use (default) · Backup mode · Time of Use mode · Feed in
Priority · Demand mode · Constant power discharge mode
Concurrent Primary-Secondary role setting 1) All machines need to set parallel enable/ disable. Enabling parallel machine does not allow running standalone mode. 2) The Primary also needs to set the number of parallel machines. 3) Primary communication lost, system down waiting for human intervention to recover. 4) Loss of Secondary communication (CAN), the primary operates normally, but reports a “Loss of Secondary Communication Alarm”. The lost Secondary stops and reports a parallel communication failure until the communication is restored and then tries to integrate into the system again.
For details, please refer to “Parallel Connection Guide”.
Wiring Connection on the Inverter
8.4.7 Monitoring Connection (Optional) The inverter is equipped with
monitoring port which can collect data and transmit it to monitoring-website
via an external monitoring data collector. Greenworks may provide monitoring
data collector, such as GWU-WIFI-1.0-P. Purchase the product from supplier if
needed.
Installation instructions 1) Re-mount the cover of wiring box using Allen key
before monitoring connection by using cross screwdriver.
3.0 mm
M5 17.7 lbf.in / 2.0N·m
2) Remove the cover of monitoring port and plug the communication module into
the port.
82
83
Wiring Connection on the BI
9. Wiring Connection on the BI
WARNING! To avoid shock hazard, never power on the system without a connection
to Earth at BI.
CAUTION! Before BI wiring connection, please make sure the BI is correctly
wall-mounted and can be configured for cable entry at the bottom and sides of
the enclosure.
9.1 Install a Main Breaker (Purchased by Customer)
When installed as service equipment, a main breaker must be installed. Step 1:
Remove the two supply lugs which originally installed before leavefactory
using hex socket. Step 2: Install the main breaker using hex socket. Please
note that main breaker wire lug cover caps are recommended any time a main
breaker is installed in the BI. Step 3: Fix the main breaker with M4*12
crosshead screw by using cross screwdriver.
M4 10.4 lbf.in / 1.2 N·m
NOTE! After installing the main breaker, lugs feed opposite bus.
84
Wiring Connection on the BI
9.2 Make AC Connection to Inverter, Generator, Load and Grid
NOTE! Before any wiring connection, the conduit must be installed according to
the national and local requirement. NOTE! For the specific conductor
requirement of size and torque, please refer to “Appendix A Wiring and Breaker
Requirement”. WARNING! The system supports to install four inverters in
maximum. Never power on the system without a connection to Earth at the BI.
WARNING! Incorrect wiring of AC conductors presents a risk of electrical shock
or damage to the equipment. Before powering on the system, ensure all the
connections are correctly made according instructions in this documents and in
accordance with local wiring codes and regulations. General steps: 1 Route AC
wires through the conduit. Strip the ends of the wires and plug the
corresponding terminal lugs. 2 Use an appropriate torque tool to tighten the
lugs according to Appendix A Wiring and Breaker Requirement. 3 Use copper wire
only.
85
Wiring Connection on the BI
· Connect the inverter conductors to the BI terminals
L1 L2 L1 L2 L1 L2 L1 L2
N bus GND bus
Remove Neutral-Ground bonding strap from BI if not installed as service
equipment. Proper earth connection and Neutral-Ground bonding strap is
required for safe operation of the system and for compliance with local code
requirements.
Neutral-Ground bonding strap
N bus GND bus
For the specific requirement of cable and torque, please refer to “Appendix A:
Wiring and Breaker Requirement”.
NOTE! Please refer to Appendix D: System wiring diagram for specific wiring
diagram of each solution.
Wiring Connection on the BI
· Connect the generator conductors to the BI terminals
L2 L1
For the specific requirement of cable and torque, please refer to “Appendix A:
Wiring and Breaker Requirement”. · Connect the load conductors to the BI
terminals
L1 L2 N
For the specific requirement of cable and torque, please refer to “Appendix A:
Wiring and Breaker Requirement”.
86
87
Wiring Connection on the BI
· Connect the grid conductors to the BI terminals
N L1 L2
Before installing a main breaker
N L2 L1
After installing a main breaker
For the specific requirement of cable and torque, please refer to “Appendix A:
Wiring and Breaker Requirement”.
NOTE! After installing the main breaker, lugs feed opposite bus.
88
Wiring Connection on the BI
9.3 Make Communication Connection · Overview of all communication cables
connection methods
All communication cables will be done on the communication board of BI. This
section will introduce the steps and requirements for all communication cables
connections.
A B
C
D
E
Item
Terminals
Port Pin Pin 1: RESERVE
Pin 2: RESERVE
INV communication
A
terminal (for
Pin 3: CAN_L Pin 4: CAN_H
communication between inverter and BI)
Pin 5: RS485_BI_A
Pin 6: RS485_BI_B
Pin 7: +12V
Pin 8: GND
89
Wiring Connection on the BI
Item B C
D E
Terminals
AUX1 terminal (for communication between generator and BI, EPO and BI)
Reserved
CT L1A terminal CT L1B terminal CT L2A terminal CT L2B terminal CT1 terminal
CT2 terminal CT3 terminal
Port Pin Pin 1: DRY_GEN Pin 2: GND_GEN Pin 3: RS485_RESERVE_A Pin 4: RS485_RESERVE_B Pin 5: RESERVE Pin 6: RESERVE Pin 7: STOP_NO+ Pin 8: STOP_NOPin 1: NO_1 Pin 2: COM_1 Pin 3: NC_1 Pin 4: NO_2 Pin 5: COM_2/3 Pin 6: NC_2 Pin 7: NO_3 Pin 8: NC_3 Pin 1: CT L1A+ Pin 2: CT L1APin 1: CT L1B+ Pin 2: CT L1BPin 1: CT L2A+ Pin 2: CT L2APin 1: CT L2B+ Pin 2: CT L2BPin 1: CT 1+ Pin 2: CT 1Pin 1: CT 2+ Pin 2: CT 2Pin 1: CT 2+ Pin 2: CT 2-
90
Wiring Connection on the BI
Communication connection between inverter and BI
Please refer to Section 8.4.1 Make communication connection to another
inverter/BI for the detailed steps of connection.
· Communication connection of EPO and generator
The EPO and generator share the same AUX1 port.
Install optional EPO
The BI can be wired to include an external emergency stop button that can
switch off the whole system.
1 Remove the factory-installed jumper from Pin 7 and Pin 8 of the 8-position
“AUX1” connector inside the BI.
2 Use minimum 24 AWG conductors (maximum 18 AWG) for EPO to connect Pin 7 and
Pin 8.
3 Confirm the system will cease operation when the switch is open.
1
8
EPO
NOTE! Turn the switch to OFF (open) position: The whole system will go to idle; turn the switch to ON (closed) position: The whole system will resume shortly.
91
Wiring Connection on the BI
Install generator Step 1: Use the same 8-Pin female terminal of EPO, Step 2:
Use minimum 24 AWG conductors (maximum 16 AWG) for generator to connect Pin 1
and Pin 2 (Pin 7 and Pin 8 for EPO). The rest pins are reserved. Step 3:
Remove 0.24 in / 6 mm of insulation from the end of the four wires. Step 4:
Insert the stripped wires into female terminal and ensure that all conductor
strands are captured in the terminal. and plug the female terminal to AUX1
port.
Step 1
8-pin
Step 3
Wiring Connection on the BI
Step 2
Strip Length
0.24 in / 6 mm
24-16 AWG 24-18 AWG
Generator EPO
Conduit
Step 4
1
8
On the side of BI
92
93
Wiring Connection on the BI
Dry contact switch
The GEN dry contact switch is used as a controller for an AC generator with a
remote start function. The GEN dry contact switch may be used to start the
generator by closing the appropriate circuit.
NOTE! When using generation remote start function , the generator must be connected to the BI’s GEN terminals.
GEN dry contact switch
DRY_GEN
Dry 1 contact switch
NO_1
Dry 2 contact switch
NO_2
Dry 3 contact switch
NO_3
COM_1
COM_2/3
COM_2/3
GND_GEN
NC_1
NC_2
NC_3
Item
Value
GEN dry contact switch current/voltage rating
2 A / 30 VDC
DRY 1 contact switch current/voltage rating DRY 2 contact switch current/voltage rating DRY 3 contact switch current/voltage rating
3 A / 30 VDC 3 A / 30 VDC 3 A / 30 VDC
The dry 1 contact switch / dry 2 contact switch / dry 3 contact switch can be used to implement Load Shed function. Load Shed function can perform load management. It is intended to turn off designated loads during low battery periods to conserve remaining battery power.
Wiring Connection on the BI
· Connecting external CTs
CT placement locations include the following:
A set of CTs (CT L1A , CT L2A,200A) has been built in the BI. In some
application scenarios ,it can measure both load and generation and there is no
need to connect external CTs.But in some application scenarios,such as
Partial-Home Backup solution,connecting external CTs (CT L1B , CT L2B) to
measure total current both load and generation is needed. In addition,if the
site includes solar equipment, a solar CT is placed after the solar inverter
to measure the solar output. CT L1A terminal and CT L1B terminal have been
connected in parallel on PCB. CT L1A and CT L1B are used to measure total
current both load and generation of the same phase L1. CT L2A terminal and CT
L2B terminal have been connected in parallel on PCB. CT L2A and CT L2B are
used to measure total current both load and generation of the same phase L2.
NOTE! For detailed information about how to configure external CT, please
refer to “BI CT configuration for GWU-GreenE”.
94
95
System ON
Close Wiring Cover and Turn on the System
10.1 Check Below Steps before Turn on the System
1 Ensure the system is properly mounted. 2 Ensure all grounding wire to the
grounding bus-bar are connected properly. 3 Ensure all the communication
wirings are connected properly. 4 Ensure all the DC wirings and AC wirings are
completed. 5 Ensure the CT is connected properly. 6 Ensure the battery is
connected properly. 7 Ensure all loads are connected properly, and that the
combined ratings of all
backed-up loads are within the rating capacity of the system without grid
support.. 8 Ensure the PV arrays are connected properly.Ensure the battery has
been turned off,and all the indicator light of the battery are off.
10.2 Turn on the System
1 Before closing any wiring cover, please take photos of the completed wiring
in the inverter, battery and BI.
2 Install the wiring box cover of the inverter and secure it firmly with the
original screw.
3 Install the internal cover of the BI. 4 Switch on the BI power button (turn
to “AUTO”). 5 Switch on the AC circuit breakers for the BI and inverter. 6
Make sure that the battery has been turned off,and all the indicator light of
the battery are off. 7 Switch on the circuit breaker of battery. 8 Switch on
the PV DC switch of the inverter(turn to “ON” position). 9 Press the battery
POWER button to start the battery. 10 Install the outer cover of the BI. 11
The system will start up. Check the status of indicators on inverter, battery
and BI for more information on the codes displayed for error and warning
messages, refer to Chapter 12. 12 Download and configure the APP.
NOTE! Before you switch on the circuit breaker of the battery, make sure that
the battery has been turned off,and all the indicator light of the battery are
off.If the battery has been turn on, then you switch on the circuit breaker of
the battery, the inverter and the battery may be damaged.
96
System ON
NOTE! If the left indicator do not turn green please check the below
points: – All the connections are correct. – All the external breakers are
switched on. – The DC switch on the inverter is in the “ON” position.
10.3 Shut Down the System
1 If the system is on, press the inverter POWER button for 1 second to turn
off the inverter.
2 Switch off the PV DC switch of the inverter(turn to “”OFF” position). 3
Press the battery POWER button to turn off the battery. 4 Switch off the
circuit breaker of the battery. 5 Switch off the AC circuit breakers for the
BI and inverter.
97
Indicator Light and Button
11 Indicator Light and Button
Indicator light and button of inverter
Fault LED 1 and Fault LED 2
LED1 flashes green (0.5s on, 0.5s off) and LED2 is red when arc fault occurs.
LED1 flashes green (2s on, 2s off) and LED2 is red when ground fault occurs.
LED1 flashes green (0.5s on, 0.5s off) and LED2 is off when PV voltage fault
occurs. LED1 flashes green (2s on, 2s off) and LED2 is off when Grid error
occurs. LED1 flashes green (0.5s on, 0.5s off) and LED2 flashes red (0.5s on,
0.5s off) when firmware upgrading is ongoing. LED1 is green and LED2 is red
when other fault occurs. LED1 is off and LED2 is off when no fault occurs.
Operation LED (Free / Secondary)
Green when the inverter is in normal status or in backup status. Flashing
green (1s on, 1s off) when the inverter is in waiting or checking status. Off
when the inverter has a fault.
98
Indicator Light and Button
Operation LED (Primary)
Green for 2s and then quick flashing green for 1s (0.2s on, 0.2s off) when the
inverter is in normal or backup status.
Flashing green for 2s (1s on, 1s off) and then quick flashing green for 1s
(0.2s on, 0.2s off) when the inverter is in waiting or checking status. Off
for 2s and quick flashing green for 1s (0.2s on, 0.2s off) when the inverter
has a fault.
BAT LED
Green when the battery communication is normal and working.
Flashing green (1s on, 1s off) when the battery communication is normal and
the battery is in idle status.
Off when the battery does not communicate with inverter.
All LEDs
All LEDs flash (0.5s on, 0.5s off) when firmware upgrading has been completed
but the U drive is still connected . All LEDs will be back to the normal state
if the U drive is unplugged after the upgrading finished.
Inverter power button
Press the button for 0.5 second: Clear EPS OverLoad Fault / EPS Bat Power Low
/ BI_TransformerImbalanceHighFault / BI_VoltImbalanceFault / BatBreakOpen
Fault. Press the button for 1 second: Turn on the inverter if it has been
turned off. Press the button for 1 second: Turn off the inverter if it has
been turned on. The control circuitry remains powered up. Press the button for
5 seconds: Run arc self-test if there is no arc fault. Press the button for 5
seconds: Clear arc fault if arc fault occurs.
99
Indicator Light and Button
Indicator light and button of battery
BMS DIP
BAT+
BAT-
POWER
Status light
L4
L3 SOC power indicators L2
L1
Working: When charging, status light will remain on solid green light; when
discharging, status light will flash green every 0.5 sec.
Fault: Status light begins on solid red; 10 mins later, the status light will
flash red for 1 sec and turn off for 4 sec, and the SOC power indicators will
flash to indicate a malfunction (for details, refer to the User Manual).
Upgrade: Status light flashes green, red and yellow; SOC power indicators
flash blue every 0.2 sec.
Idle State: Status light begins on green for 1 sec and turns off for 4 sec;
all SOC power indicators are off.
Power On: Open air switch’s guard, toggle switch (red background of inspection
window), and press Power for 1 to 2 sec to start system.
Power Off: Status light and SOC power indicators are off.
100
Indicator light and button of BI
Indicator Light and Button
Operation LED
Green when the BI is in on-grid status. Flashing green (2s on, 2s off) when
the BI is in backup status.
Flashing green (0.5s on, 0.5s off) when the BI is in generator status.
Off when the load port of the BI has no power.
Communication LED
Green when the BI communication is normal. Flashing green (2s on, 2s off) when
the BI RS485 fault occurs. Off when the BI communication fault occurs.
Fault LED
Red when relay fault or over temperature fault occurs.
Flashing red (2s on, 2s off) when other fault occurs.
Flashing red (0.5s on, 0.5s off) when BI power button is off or EPO fault
occurs.
Off if no Fault occurs.
Color and Status Operation LED 0.5s on, 0.5s off OFF
OFF
OFF ON
Communication 0.5s on, 0.5s off
OFF
OFF ON ON
Fault LED 0.5s on, 0.5s off
OFF
ON ON ON
Message Explanation
Firmware upgrading Upgrade 0%-29% Upgrade 30%-69%
Cycle Upgrade 70%-99%
Upgrade 100%
101
Indicator Light and Button
BI power button
When ON, the GWU-GreenE system can intelligently switch between ongrid and
off-grid without human intervention. When OFF, manual control of the BI will
be enabled when the internal relay is not switched automatically. When some
unrecoverable failure is encountered, causing the system to stop running and
the home load to lose power, the following operations can be performed: 1.
Open the door of the BI. 2. Turn off the breaker between the inverter and the
BI, as well as the breaker between the BI and the generator. 3. Turn off the
main breaker on the grid side. 4. Wait for 60s. 5. Press the BI power button
to enter manual maintenance mode. 6. Use the tool to turn the left and right
relays to ON. 7. Turn on the main breaker to make the grid ready to power the
home load. 8. Turn on the breaker between the inverter and the BI to make the
inverter run again. 9. Close the door of the BI.
102
Troubleshooting
12 Troubleshooting
This section contains information and procedures for solving possible problems
with GWU-GreenE system, and provides you with troubleshooting tips to identify
and solve most problems that could occur with the system.
This section will help you narrow down the source of the problems you may
encounter. Please read the following troubleshooting steps.
Check warnings or fault messages on the Monitoring Cloud. If a message is
displayed, record it before doing anything further operation.
Troubleshooting for inverter
Faults
Diagnosis and solution
AFD Self Check Fault
AFDI Model Self Check Fault · Please check if the AFDI module connects normally · Or contact Greenworks Technical Support
Arc Detect Fault
DC Arc occurs or DC Arc Check Fault · Please check if there is any visible arc
vestige firstly · Clear the PV input and solar battery board connects normally
· If Arc is detected five times in one hour, please manually clear Arc.
Otherwise, it will re-connect to grid in five minutes
PV Conn Dir Fault
PV Reverse Connection Fault · Re-connect the PV correctly
BAT Volt Fault
Battery Voltage Over high or Over low Fault · Check if the battery input voltage is within the normal range · Please contact Greenworks Technical Support
EPO Fault BI Comm Fault
EPO Activated or Inverter Emergency Off
Communication Fault between Inverter and BI · Check if the RS485 communication
cable of BI connects to
communication board of inverter. · Please contact Greenworks Technical Support
103
Troubleshooting
Faults Update File Fail
Udisk Update Fault
Meter Fault
Diagnosis and solution
File Upgrade Fault · Check if the file and the folder are correct · Please
contact Greenworks Technical Support
U Disk Upgrade Fault · Check if the U disk is correctly plugged and the file
is correct · Please contact Greenworks Technical Support
Meter Communication Fault · Check if the communication cable between inverter
and BI
connects normally or contact Greenworks Technical Support
BMS_Lost
BMS Communication Lost · Check the communication connection between the
battery and the
inverter · Please contact Greenworks Technical Support
Update Fault
Software Upgrade Fault · Check if the communication cable between inverter and
BI and re-
upgrade the software · Check the communication cable between control board and
communication board and re-upgrade the software · Check the communication
cable between inverter and battery · Or contact Greenworks Technical Support
PV Volt Fault
PV Voltage Out of Normal Range · Decrease the PV voltage · Or contact Greenworks Technical Support
DCI OCP Fault DCV OVP Fault
DCI over current protection Fault · Please contact Greenworks Technical
Support
DCV EPS over voltage protection Fault · Please contact Greenworks Technical
Support
Bat Current Imbalance
The Firmware Fault of Battery Charge · Please contact Greenworks Technical Support
Bat ConDir Fault
The Positive and Negative Pole of Battery Connected Reversely · Re-connect the battery.
104
Faults InvEEPROMFault
Diagnosis and solution
Inverter EEPROM Fault · Please contact Greenworks Technical Support
Troubleshooting
EPSBatPowerLow
Battery Power Low in EPS Mode · Turn off high power device and charge for the battery
Over Load in EPS Mode. EPS OverLoad Fault · Turn off some device and clear the
error
Grid Over Freq Fault
Grid Frequency Out of Range · System will reconnect if the utility is back to normal · Or please contact Greenworks Technical Support
Grid Over Volt Fault
Grid Voltage Out of Range · System will reconnect if the utility is back to normal · Or please contact Greenworks Technical Support
Grid Relay Fault
GIRD Relay Fault · Please contact Greenworks Technical Support
Grid Under Freq Fault
Grid Frequency Out of Range · System will reconnect if the utility is back to normal · Or please contact Greenworks Technical Support
Grid Under Volt Fault
Grid Voltage Out of Range · System will reconnect if the utility is back to normal · Or please contact Greenworks Technical Support
Bus Volt Fault
Bus Voltage Out of Normal Range · Please contact Greenworks Technical
Support.
105
Troubleshooting
Faults Sample Fault
Diagnosis and solution
Gird Frequency or Voltage Sample Fault · Please contact Greenworks Technical
Support
Inter Com Fault
Internal Communication Fault · Check the connection between inverter and BI
connects
normally · Or contact Greenworks Technical Support
Isolation Fault
Isolation Fault · Check if the insulation of electric wires are damaged or too wet · Or contact Greenworks Technical Support
Mgr EEPROM Fault
Manager EEPROM Fault · Please contact Greenworks Technical Support
Other Device Fault
CPU Self-check Fault or Internal Flash Fault or RAM Fault · Please contact Greenworks Technical Support
UnderTemp Fault
Over Temp Fault
RC OCP Fault Bat Break Open Fault Fan Fault
Temperature Below the Limitation or Temperature Sensor Fault · Please contact
Greenworks Technical Support
Temperature over the limitation · Check if the environment temperature is over
limitation · Check if the internal fan is fault · Or contact Greenworks
Technical Support
Leakage Current Fault · Check if the insulation of electric wires are damaged
or too wet · Or contactGreenworks Technical Support
Battery Break Open Fault · Check if the circuit break of battery is open.
Inverter Internal Fan Fault · Please contact Greenworks Technical Support
106
Troubleshooting
Faults SW OCP Fault
Diagnosis and solution
Battery Charge and Discharge Over Current Fault or PV Over Current Fault or
Inverter Over Current · Please contact Greenworks Technical Support
RCD Fault
Residual Current Device Sensor Fault · Please contact Greenworks Technical Support
Rtc Fault
Rtc Fault · Please contact Greenworks Technical Support
SoftVerFault Grid Lost Fault
Program Write Fails or Incorrent Program Written in · Re-write the program ·
Or contact Greenworks Technical Support
Grid Lost Fault · System will reconnect if the utility is back to normal ·
Check if the grid is normal
TZ Protect Fault
The Firmware of PV or Inverter or Battery Over Current Fault · Please contact Greenworks Technical Support
107
Troubleshooting
Troubleshooting for battery
Faults BMS_External_Err
Diagnosis and solution
Unable to establish communication with inverter. · Restart BMS · Contact
Greenworks Technical Support
BMS_Internal_Err
Unable to establish communication among batteries. · Restart BMS; · Check if the connection among batteries is normal; · Contact Greenworks Technical Support
BMS_OverVoltage
Overvoltage of single battery. · Contact Greenworks Technical Support
BMS_LowerVoltage
Undervoltage of single battery. · Battery is forced to charge through inverter; · Contact Greenworks Technical Support
BMS_ChargeOver Current
Overcurrent charging of BMS. · Restart BMS; · Contact Greenworks Technical Support
BMS_Discharge OverCurrent
Discharge overcurrent of BMS. · Restart BMS; · Contact Greenworks Technical Support
108
Troubleshooting
Fault BMS_TemHigh BMS_TemLow
Diagnosis and solution
The temperature of BMS is too high. · Let BMS cool down to normal temperature
and restart; · Contact Greenworks Technical Support
The temperature of BMS is too low. · Warm up BMS and restart; · Contact
Greenworks Technical Support
BMS_CellImbalance
Inconsistency of battery. · Restart BMS; · Contact Greenworks Technical Support
BMS_Hardware_Protect
Hardware protection of BMS. · Restart BMS; · Contact Greenworks Technical Support
BMS_Circuit_Fault
Circuit fault of BMS. · Restart BMS; · Contact Greenworks Technical Support
BMS_Insulation_Fault
Insulation fault of BMS. · Restart BMS; · Contact Greenworks Technical Support
BMS_VoltSensor_Fault
Voltage sampling fault of BMS. · Restart BMS; · Contact Greenworks Technical Support
Temperature sampling fault of BMS. BMS_TempSensor_Fault · Restart BMS;
· Contact Greenworks Technical Support
Current sampling fault of BMS. BMS_TempSensor_Fault · Restart BMS;
· Contact Greenworks Technical Support
BMS_Relay_Fault
Relay contact adhesion fault of BMS. · Restart BMS; · Contact Greenworks Technical Support
109
Troubleshooting
Fault BMS_Type_Unmatch
Diagnosis and solution
Different type of BMS. · Restart BMS; · Contact Greenworks Technical Support
BMS_Version_Unmatch
Different type of BMS. · Restart BMS; · Contact Greenworks Technical Support
Different type of BMS. BMS_Manufacturer_Unmatch · Restart BMS;
· Contact Greenworks Technical Support
BMS_SW&HW_Unmatch
Different type of BMS. · Restart BMS; · Contact Greenworks Technical Support
BMS_ M&S_Unmatch
Different type of BMS. · Restart BMS; · Contact Greenworks Technical Support
BMS_CR_Unresponsive
Inverter does not respond the charging request. · Restart BMS or inverter; · Contact Greenworks Technical Support
S_Software_Protect
Software protection of battery module. · Restart BMS; · Contact Greenworks Technical Support
BMS_536_Fault
BMS voltage sampling fault. · Restart BMS; · Contact Greenworks Technical Support
BMS_ Selfchecking_Fault
Self-test fault of BMS. · Restart BMS; · Contact Greenworks Technical Support
BMS_Tempdiff_Fault
BMS temperature varies greatly. · Restart BMS; · Contact Greenworks Technical Support
110
Troubleshooting
Fault BMS_Break
BMS_Flash_Fault
Diagnosis and solution
BMS sampling fault. · Restart BMS; · Contact Greenworks Technical Support
Memory chip fault. · Restart BMS; · Contact Greenworks Technical Support
BMS_Precharge_Fault
External short circuit of BMS. · Check the external connection and restart BMS; · Contact Greenworks Technical Support
BMS_AirSwitch_Break
Disconnection of switch break of BMS. · Restart BMS; · Contact Greenworks Technical Support
111
Troubleshooting
Troubleshooting for BI
Faults
Diagnosis and solution
BI_InvCommFlt
CAN Communication Fault between BI and Inverter · Check the communication cable between BI and inverter · Please Greenworks Technical Support
BI_EPO
Emergently switched off or Emergency stop activated
BI_ManualOverride BI manual switch activatted
BI_GridRlyFlt
Grid Relay Fault · Please contact Greenworks Technical Support
BI_OverTempFlt BI_AutoTxRlyFlt BI_PhsImblHigh
Parallel Relay Fault · Please contact Greenworks Technical Support
Autotransformer Temperature High · Check if two-phase imbalance is high in
off-grid or ambient
temperature is high · Or please contact Greenworks Technical Support
Two-phas with Load Imbalance High in Off-grid · Decrease the imbalance of two-
phase with load in off-grid
BI_EEpromFlt
Internal EEPROM Read/Write Fault · Please contact Greenworks Technical Support
BI_IntMeterFlt BI_GenOverLoad
Internal Meter Fault · Please contact Greenworks Technical Support
Generator Overload Fault
BI_GenRlyFlt
Generator Relay Fault · Please contact Greenworks Technical Support
BI_VoltImbalanceFlt
Output Voltage Imbalance High in Off-grid · Decrease the imbalance of two- phase with load in off-grid
112
Troubleshooting
Faults BI_PrllRlyFlt
Diagnosis and solution
Parallel Relay Fault · Please contact Greenworks Technical Support
BI_AutoTxRlyFlt
Transformer Relay Fault · Please contact Greenworks Technical Support
BI_AmbTempHigh BI Ambient Temperature High
BI_AmbTempLow BI Ambient Temperature Low
BI_485CommFlt
RS485 Communication Fault between BI and Inverter · Check the RS485 communication cable between BI and Inverter · Please contact Greenworks Technical Support
BI_OverTempFlt
Transformer Temperature High or Transformer with Load Imbalance in Off-grid · Check if the imbalance is over high in off-grid · Please contact Greenworks Technical Support
BI_InvEngyLow
Battery Energy Low in Off-grid Detected
BI_GridLost BI_GridVolHigh BI_GridVolLow BI_GridFreHigh
Grid Lost Detected Grid Voltage High Detected Grid Voltage Low Detected Grid Frequency High Detected
BI_GridFreLow
Grid Frequency Low Detected
BI_GenLost BI_GenVolHigh
No Generator Detected Generator Voltage High Detected
113
Troubleshooting
Faults BI_GenVolLow
Diagnosis and solution Generator Voltage High Detected
BI_GenFreHigh BI_GenFreLow
Generator Frequency High Detected Generator Frequency Low Detected
BI_Fan1StopRotor Fan 1 Stop Detected
BI_Fan2StopRotor Fan 2 Stop Detected
114
Maintenance
13 Maintenance
Maintenance of battery
· If the ambient temperature for storage is -4°F~122°F/-20°C~50°C, recharge
the batteries at least once every 3 months.
· If the ambient temperature for storage is 32°F~104°F/0°C~40°C, recharge the
batteries at least once every 12 months.
· If the battery(ies) has(have) not been used for more than 9 months, the
battery(ies) must be charged to at least SOC 50 % each time.
· For the first installation, the interval among manufacture dates of
batteries shall not exceed 3 months.
· If one of the batteries is replaced, the SOC of the battery after
replacement shall be consistent with those of batteries that have not been
replaced, with the maximum difference of between -5% and 5%.
· If users want to increase their battery system capacity, please ensure that
the SOC of the existing system capacity is about 40%. The manufacture date of
the new battery shall not exceed 6 months; in case of exceeding 6 months,
please charge the new battery to around 40%.
Maintenance of inverter
Regular maintenance is required for the inverter. The table below lists the
operational maintenance for expressing the optimum device performance. More
frequent maintenance service is needed in the worse work environment. Please
make records of the maintenance.
Item
Indicators / button
Check Note
Check if the indicators and button of the inverter are in normal state
Maintenance Interval Every 6 months
Wires DC switch
Check that if the input and output wires are damaged or aged.
By operating the switch a few times (5x), the contacts will clean themselves
and the switch will have a longer life.
Every 6 months /
Signs
Check the installation for signs of overload,
overheating, and that the terminals do not
/
exceed the limit of 167°F/75°C under full load.
115
Maintenance
Maintenance of BI The internal fan of BI needs to be replaced when BI prompts
fan error. The replacement of fan shall be performed by professional
electricians. Before replacement, make sure all the power of BI is switched
off. Step 1: First open the outer cover of BI;
Step 2: Unscrew the two M4 screws below with crosshead screw driver to
disassemble the internal cover of BI.
Maintenance
Step 3: Disconnect the fan cable, and unscrew the two M4 screws to disassemble
the fan (pull out the fan). Please note that the fan cable is locked on the
BI. Pinch and hold the buckle on the cable terminal to disconnect it.
Before
After
116
117
Commission the System
14 Commission the System
1 Select and scan the QR code below to download gPOWER APP. You can also find
the QR code at the left top of the login page of
https://access.greenworkspower.com or on the user manual of GWU-WIFI series
communication module. In addition, you can search for the key word Cloud in
APP store or Google Play to download it.
IOS
Google Play
2 Create a new account: a) Touch “Create a new account” to start the registration.
Commission the System
b) Fill in your registration Email, input the Verification code, and enter
your password to create the account.
.
*Note: If the registration fails, please repeat the above steps.
118
119
Commission the System
3 Log in
Open the gPOWER APP and fill in your login account and password, then touch
Login to enter. It will be directly log in your account next time if you tick
the “Remember password”. Touch the “Forgot password” to refresh password
through your E-mail.
Appendix A: Wiring and Breaker Requirement
Appendix A: Wiring and Breaker Requirement
Inverter wiring
5
6 4
2 1 7
3
Inverter power terminal (Purchased by customer)
No. Terminals 1 PV terminals 2 AC terminals
Type 90°C(194°F), 600 V, copper 90°C(194°F), 600 V, copper
3
Ground terminals 90°C(194°F), 600 V, copper
Cross-sectional Area Range Strip Length
10-8 AWG
0.47 in / 12 mm
12-8 AWG (3.8KW), 10-8 AWG (5/6/7.6KW)
0.47 in / 12 mm
8 AWG
0.47 in / 12 mm
120
121
Appendix A: Wiring and Breaker Requirement
Inverter communication terminal (Purchased by customer)
No. Terminals 4 AUX terminal
Port Pin Pin 1: RS485_METER_A Pin 2: RS485_METER_B
Type Range
CAT5 or better
Strip Length
Torque (in-lbs)
Pin 3: GND Pin 4: +12V_RELAY_OUT Pin 5: DRM0
24-18 AWG 0.24 in. / 6 mm 1.8
Pin 6: +12V_COM
5
COMM in terminal
Pin 7: STOP_NO+ Pin 8: STOP_NOPin 1: SYSR_L Pin 2: SYSR_H Pin 3: CAN_L Pin 4: CAN_H Pin 5: RS485_BI_A
CAT5 or better
24-18 AWG
0.24 in. / 6 mm 1.8
Pin 6: RS485_BI_B
Pin 7: +12V Pin 8: GND
18-16 AWG
Pin 1: SYSR_L
Pin 2: SYSR_H
6
COMM out terminal
Pin 3: CAN_L Pin 4: CAN_H Pin 5: RS485_BI_A
CAT5 or better
24-18 AWG
0.24 in. / 6 mm 1.8
Pin 6: RS485_BI_B
Pin 7: +12V Pin 8: GND
18-16 AWG
Pin 1: GND
7
MLPE terminal Pin 2: RS485_MLPE_A
CAT5 or better
24-18 AWG 0.24 in. / 6 mm 1.8
Pin 3: RS485_MLPE_B
122
BI wiring
Appendix A: Wiring and Breaker Requirement
13
20 21 22
19
14
16 17 18
15
1
8
2
4
7
3
5 6
12
10
9
11
BI power terminal (Purchased by customer)
No. Terminals 1 INV terminals 2 GEN terminals
Cross-sectional Area Range 12-8 AWG (3.8 KW), 10-8 AWG (5/6/7.6 KW)
8-4 AWG
Strip Length Torque (in-lbs) 0.67 in. / 17 mm 30
0.67 in. / 17 mm /
3 Load terminals 4 Grid terminals 5 INV Neutral terminals 6 GEN Neutral terminals
3 AWG-4/0 AWG 3 AWG-4/0 AWG 12-8 AWG (3.8 KW), 10-8 AWG (5/6/7.6 KW) 8-4 AWG
1.25 in. / 32 mm 275 1.25 in. / 32 mm 275 0.79 in. / 20 mm 275 0.79 in. / 20 mm /
7 Load Neutral terminals 3 AWG-4/0 AWG
1.77 in. / 45 mm 275
8 Main Neutral terminals 3 AWG-4/0 AWG
1.77 in. / 45 mm 275
9 INV Ground terminals 8 AWG
0.79 in. / 20 mm 30
10 GEN Ground terminals 8-6 AWG
0.79 in. / 20 mm 30
11 Load Ground terminals 6-4 AWG
1.77 in. / 45 mm 30
12 Main Ground terminals 6-4 AWG
1.77 in. / 45 mm 30
- The type of BI power cable shall be 90°C(194°F), 600 V, copper.
123
Appendix A: Wiring and Breaker Requirement
BI communication terminal (Purchased by customer)
No. Terminals
Port Pin Pin 1: RESERVE
Type
Range
Strip Length
Torque (in-lbs)
Pin 2: RESERVE
Pin 3: CAN_L
13
INV Communicatio
Pin 4: CAN_H
n terminal
Pin 5: RS485_BI_A
CAT5 or better
24-18 AWG
0.24 in / 6 mm 1.8
Pin 6: RS485_BI_B
Pin 7: +12 V Pin 8: GND Pin 1: DRY_GEN Pin 2: GEND_GEN
18-16 AWG 24-16 AWG
AUX1 14 terminal
Pin 3: RS485_RESERVE_A Pin 4: RS485_RESERVE_B Pin 5: RESERVE Pin 6: RESERVE
CAT5 or better
0.24 in / 6 mm 1.8 24-18 AWG
Pin 7: STOP_NO+
Pin 8: STOP_NO-
Pin 1: NO_1
Pin 2: COM_1
Pin 3: NC_1 Pin 4: NO_2 15 AUX2terminal Pin 5: CON_2/3
24-16 AWG 0.24 in / 6 mm 1.8
Pin 6: NC_2
Pin 7: NO_3 Pin 8: NC_3 16 CT1 terminal Pin 1: CT1+ Pin 2: CT117 CT2 terminal
Pin 1: CT2+ Pin 2: CT218 CT3 terminal Pin 1: CT3+ Pin 2: CT319 CT L1A terminal
Pin 1: CT L1A+ Pin 2: CT L1A-
124
Shielded, twisted pair
/
Shielded, twisted pair
/
Shielded, twisted pair
/
Shielded, twisted pair
/
/
/
/
/
/
/
/
/
Appendix A: Wiring and Breaker Requirement
No. Terminals
Port Pin
20 CT L1B terminal Pin 1: CT L1B+ Pin 2: CT L1B-
21 CT L2A terminal Pin 1: CT L2A+ Pin 2: CT L2A-
22 CT L2B terminal Pin 1: CT L2B+ Pin 2: CT L2B-
Type
Range
Shielded, twisted pair
/
Shielded, twisted pair
/
Shielded, twisted pair
/
Strip Length
Torque (in-lbs)
/
/
/
/
/
/
Inverter breaker and switch
No. Component Description
3.8 KW: Noark # B1N2C20: 20A Circuit Breaker; 2-Pole, 240V, 10kAIC
1
AC Breaker
5 KW: Noark # B1N2C30: 30A Circuit Breaker; 2-Pole, 240V, 10kAIC 6 KW: Noark # B1N2C35: 35A Circuit Breaker; 2-Pole, 240V, 10kAIC 7.6 KW: Noark # B1N2C40: 40A Circuit Breaker; 2-Pole, 240V, 10kAIC
Source
Can be purchased from the manufacture
2
Emergency stop switch
Normally closed (NC) contact The UL certification is required for the emergency stop switch.
Purchase by customer
BI breaker and switch (Purchased by customer)
No. Component Description
Amps Part Number Description
100 CSR2100 Eaton # CSR2100: 100 A / 240 V, 25 kAIC, 2-Pole 125 CSR2125N Eaton
CSR2125N: 125 A / 240 V, 25 kAIC, 2-Pole 150 CSR2150N Eaton # CSR2150N: 150
A / 240 V, 25 kAIC, 2-Pole 175 CSR2175N Eaton # CSR2175N: 175 A / 240 V, 25 kAIC, 2-Pole 200 CSR2200N Eaton # CSR2200N: 200 A / 240 V, 25 kAIC, 2-Pole 100 BW2100 Eaton # BW2100: 100 A / 240 V, 10 kAIC, 2-Pole 125 BW2125 Eaton # BW2125: 125 A / 240 V, 10 kAIC, 2-Pole 1 Grid breaker 150 BW2150 Eaton # BW2150: 150 A / 240 V, 10 kAIC, 2-Pole 175 BW2175 Eaton # BW2175: 175 A / 240 V, 10 kAIC, 2-Pole
200 BW2200 100 BWH2100 125 BWH2125 150 BWH2150 175 BWH2175 200 BWH2200
Eaton # BW2200: 200 A / 240 V, 10 kAIC, 2-Pole Eaton # BWH2100: 100 A / 240 V, 25 kAIC, 2-Pole Eaton # BWH2125: 125 A / 240 V, 25 kAIC, 2-Pole Eaton # BWH2150: 150 A / 240 V, 25 kAIC, 2-Pole Eaton # BWH2175: 175 A / 240 V, 25 kAIC, 2-Pole Eaton # BWH2200: 200 A / 240 V, 25 kAIC, 2-Pole
2
Emergency Normally closed (NC) contact stop switch The UL certification is required for the emergency stop switch.
125
Appendix B: EPO Connection Steps
Appendix B EPO Connection Steps
For installing EPO on the inverter, follow the below installation
instructions. Step 1: Remove the factory-installed jumper from Pin 7 and 8 of
the 8-position “AUX” connector inside the inverter.
Step 2: Use minimum 24 AWG conductors to connect Pin 7 and Pin 8 (labeled “12V” and “STOP_NO”) to a suitable emergency stop switch.
1
8
EPO
Appendix C: Meter Y Connection Diagram
Appendix C Meter Y Connection Diagram
126
127
Appendix D: System Wiring Diagram
Appendix D: System Wiring Diagram
1 Whole home backup solution (Parallel operation)-with standalone meter
Appendix D: System Wiring Diagram
2 Partial home backup solution (Parallel operation) -with meter load center
128
Signal LEGEND GEN Cable
EPO Cable BI Cable BMS Cable
CT Cable
AC LEGEND HOT L1 L1
HOT L2 L2
Neutral N Ground
BATTERY LEGEND
Positive +
– Negative
Ground
PV LEGEND
Positive +
– Negative
Ground
Signal LEGEND GEN Cable
EPO Cable BI Cable BMS Cable
CT Cable
AC LEGEND HOT L1 L1
HOT L2 L2
Neutral N Ground
BATTERY LEGEND
Positive +
– Negative
Ground
PV LEGEND
Positive +
– Negative
Ground
129
Appendix D: System Wiring Diagram
3 Whole home backup solution-with standalone meter
Appendix D: System Wiring Diagram
4 Partial home backup solution -with meter load center
Signal LEGEND
GEN Cable
EPO Cable
130
BI Cable BMS Cable CT Cable
AC LEGEND HOT L1 L1
HOT L2 L2
Neutral N Ground
BATTERY LEGEND
Positive +
– Negative
Ground
PV LEGEND
Positive +
– Negative
Ground
Signal LEGEND GEN Cable
EPO Cable BI Cable BMS Cable
CT Cable
AC LEGEND HOT L1 L1
HOT L2 L2
Neutral N Ground
BATTERY LEGEND
Positive +
– Negative
Ground
PV LEGEND
Positive +
– Negative
Ground
131
Appendix D: System Wiring Diagram
5 Partial home backup solution
Appendix D: System Wiring Diagram
6 Partial home backup solution-with meter load center & microgrid system
Grid
132
Signal LEGEND GEN Cable
EPO Cable BI Cable BMS Cable
CT Cable
AC LEGEND HOT L1 L1
HOT L2 L2
Neutral N Ground
BATTERY LEGEND
Positive +
– Negative
Ground
PV LEGEND
Positive +
– Negative
Ground
Signal LEGEND GEN Cable
EPO Cable BI Cable BMS Cable
CT Cable
AC LEGEND HOT L1 L1
HOT L2 L2
Neutral N Ground
BATTERY LEGEND
Positive +
– Negative
Ground
PV LEGEND
Positive +
– Negative
Ground
133
Appendix D: System Wiring Diagram
7 Partial backup solution & microgrid system
Signal LEGEND
GEN Cable
EPO Cable
134
BI Cable BMS Cable CT Cable
AC LEGEND HOT L1 L1
HOT L2 L2
Neutral N Ground
BATTERY LEGEND
Positive +
– Negative
Ground
PV LEGEND
Positive +
– Negative
Ground
References
- lbf – Learn by fun
- Greenworks Outdoor Power Equipment, Lawn & Garden Tools
- access.greenworkspower.com