Huayu HY-1000-Plus User manual
Installation and Operation Manual
HY-1000-Plus & HY-800-Plus
For our home energy independence.
Huayu(Ningbo)New Energy Technologies Co., Ltd.
1. Introduction
02
Company Profile 01
02
Contents
1.1 Prefix
1.2 Grid-tied PV System
4. Installation 04
04Additional Installation Components
04Required Parts and Tools
04Simple to Install
05Installation Procedure
05Step 1 - Install AC Branch Circuit Junction Box
06
06
06
07
07
Step 2 - Attach Microinverter to Racking System or the PV Module Frame
Step 3 - Create an Installation Map
Step 4 - Connect the Microinverter in Parallel
Step 5 - Install an AC Cable Protective End Cap at the End of AC Cable
Step 6 - Connect Microinverter to PV Modules
03
2. Safety Instruction
3. FCC Compliance 03
02
02
1.3 How to Use This Manual
021.4 Label
5. Commissioning
08
6. Operating Instructions 08
7. Troubleshooting Maintenance
8. Specification
09
12
Huayu(Ningbo)New Energy Technologies Co.,Ltd. All rights reserved.
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01
Company Profile
Huayu New Energy is dedicated to be a world’s leading “Safe & Smart Solar Energy” supplier for homeowners.
“For our home energy independence” is a vision deserved for all people who truly trust clean energy is the future for
our children, whatever you’re from rich families or low-income families.
Since the establishment of Huayu New Energy, we specialize in R&D of Safe Module-Level Solar Solution and Smart
Energy Storage Solution which are controlled by Huayu Portal Management Platform with over 10 languages, these
innovative technologies are developed to configure a Smart Distributed Solar System with bidirectional flow of energy
which no doubt is the basic infrastructure of our future Energy Internet.
Featured with “Renewable, Distributed, Interconnected, Open & Intelligent”, Energy Internet is a must for human
beings in 21st century to realize a de-monopolistic & de-centralized sustainable power supply system across the
globe. Huayu New Energy was born to be the leader of “Safe & Smart” distributed energy solution and play an
irreplaceable role for the most exciting renewable energy revolution in human history.
Till today, we have delivered thousands of Huayu microinverters(300-2000W)and Huayu storage inverters(3-12kW)for
global families and small businesses in Europe, North America, LATAM, South East Asia, Middle East and Africa.
Together with us, to be a part of game changer for “Safe & Smart Energy” via “Honesty, Trust, Teamwork & Sharing”.
02
This indicates a situation where failure to follow instructions may be a safety hazard or cause equipment
malfunction. Use extreme caution and follow instructions carefully.
1. Introduction
1.1 Prefix
1.2 Grid-tied PV System
1.3 How to Use This Manual
1.4 Label
Thank you for choosing the HY-1000/800-Plus microinverter from Huayu. We hope our products will meet your need
for renewable energy. Meantime, we appreciate your feedback regarding our products.
Grid-tied PV system consists of PV panels, grid-tied inverter and junction boxes. The DC output from the PV panels is
converted into AC energy and feedback to the grid through the HY-1000/800-Plus. HY-1000/800-Plus PV microinverter
contain isolation transformer with basic insulation between PV input and AC grid output.
This manual provides detailed product information and installation instructions for the HY-1000/800-Plus microinverter.
Please read through this manual before installation and operation.
Label is located on the side of the inverter. The information on the label includes technical data as well as type and
serial number of the device. Safety instructions are listed and explained below:
Huayu(Ningbo)New Energy Technologies Co.,Ltd. All rights reserved.
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Danger!
The term “danger” describes an issue which, if ignored can cause personal injury.
CE mark
The product complies with essential requirements of relevant directives of EU
Attention!
With the term “attention” a circumstance is listed which may cause property damage
if disregarded.
Instructions for use!
Under “Instructions for Use“, it is pointed out that installation and operating instructions
are to be read and understood before installation or repair.
Caution, hot surface!
Under “Caution, hot surface”, it should be noted that surfaces of equipment may be
hot and create a burn hazard.
Special disposal instructions!
With “Note Separate Disposal”, it is pointed out that this product may not be disposed
of with normal garbage. An improperly conducted disposal can lead to damage to the
environment.
2. Safety Instruction
3. FCC Compliance
Huayu(Ningbo)New Energy Technologies Co.,Ltd. All rights reserved.
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This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or more of the following measures:
03
WHEN THE PHOTO VOLTAIC ARRAY IS EXPOSED TO LIGHT, IT SUPPLIES A DC VOLTAGE TO THE
MICROINVERTER.
PLEASE READ THIS MANUAL BEFORE INSTALLATION. ANY DAMAGE TO THE PRODUCT DUE TO NOT
FOLLOWING THIS MANUAL IS NOT COVERED BY THE WARRANTEE.
ALL THE INSTALLATION SHOULD BE DONE BY CERTIFIED ELECTRICIAN.
BESIDES THE CABLE CONNECTORS, NOTHING INSIDE THE INVERTER SHOULD BE MODIFIED.
ALL INSTALLATION SHOULD FOLLOW THE LOCAL ELECTRIC CODES. FURTHER PROTECTION ON THE
AC WIRING FROM THE INVERTERS SHOULD BE PROVIDED AND MAY BE REQUIRED BY LOCAL AND
NATIONAL WIRING REGULATIONS. THIS PROTECTION IS LIKELY TO INCLUDE RESIDUAL CURRENT
DEVICES, EARTH FAULT MONITORS AND CIRCUIT BREAKERS. THIS PRODUCT MAY CAUSE AC
CURRENT WITH A DC COMPONENT. IF A RESIDUAL CURRENT-OPERATED PROTECTIVE DEVICE
(RCD) OR A MONITORING DEVICE (RCM) IS USED FOR PROTECTION IN CASE OF DIRECT OR
INDIRECT CONTACT, ONLY AN RCD OR RCM OF TYPE B IS ALLOWED ON THE AC SIDE OF THIS
PRODUCT.
NEVER DISCONNECT PV MODULE FROM THE MICROINVERTER WITHOUT FIRST ISOLATING THE AC
MAINS. ALL PV CONNECTORS AND AC CONNECTORS ARE FORBIDDEN TO BE DISCONNECTED
UNDER LOAD BEFORE SWITCHING OFF THE CIRCUIT BREAKER ON THE AC BRANCH.
PLEASE CONTACT AUTHORIZED SERVICE AGENTS FOR ANY SERVICE WORK.
HY-1000/800-PLUS IS A GRID-TIED SOLAR INVERTER. IT MAY REQUIRE APPROVAL FROM LOCAL
UTILITY COMPANY TO CONNECT IT TO THE POWER GRID.
HY-1000/800-PLUS DOES NOT INCLUDE COMPONENTS THAT CAN BE SERVED BY CUSTOMERS.
An AC connection junction box
Mounting hardware suitable for module racking system
Sockets and wrenches for mounting hardware
Continuous grounding conductor and grounding washers
A Phillips screwdriver
A torque wrench
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Additional Installation Components
Required Parts and Tools
Simple to Install
Perform all electrical installations in accordance with local electrical codes.
Be aware that only qualified professionals should install and/or replace microinverter.
Before installing or using a microinverter, please read all instructions and warnings in the technical
documents and on the microinverter itself as well as on the PV array.
Be aware that installation of this equipment includes the risk of electric shock.
Do not touch any live parts in the system, including the PV array, when the system has been connected
to the electrical grid.
Strongly recommend to install surge protection devices in the dedicated combiner box.
4. Installation
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04
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and the receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for compliance may void the user’s
authority to operate the equipment.
A PV system by microinverter is simple to install. Each microinverter easily mounts on the PV racking system,
directly beneath the PV module. Low voltage DC wires connect from the PV module directly to the microinverter,
eliminating the risk of high DC voltage. Installation MUST comply with local regulations and technical rules.
Special Statement! An AC GFCI device should not be used to protect the dedicated circuit to the microinverter
even though it is an outside circuit. None of the small GFCI devices(5~30mA) are designed for back feeding
and will be damaged if so. In a similar manner, AC AFCIs have not been evaluated for back feeding and may
be damaged if back feed with the output of a PV inverter.
AC Male and Female Interconnection Connectors(offered separately)
Sealing end caps(offered separately)
In addition to your PV array and its associated hardware, the following items are needed for installation:
You can install individual PV modules in any combination of Module quantity and orientation, different type and
power rate. The Ground wire (PE) of the AC cable is connected to the chassis inside of the microinverter, potentially
eliminating the installation of grounding wire(check local regulation).
1
2
Step 1- Install AC Branch Circuit Junction Box
If the PLC signal is weak, it may be significantly improved by moving the data logger to closer to the
microinverter arrays, and/or farther away from other interferers, and/or install a signal filter (LCF) to reduce
the interference to PLC communication.
Note:
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Huayu monitoring data logger connects the microinverter to the Huayu Portal server via the cloud, allowing for
collection of production and other data useful in system monitoring and trouble shooting. Users can monitor
and manage the microinverter through corresponding website or APP.
05
Wiring colour code can be different according to local regulation, check all the wires of the installation
before connecting them to the AC cable. Wrong cabling can damage irreparably microinverter, such an
issue is not covered by the warranty.
Installation Procedure
Install an appropriate junction box at a suitable location on the PV racking system(typically at the end of
a branch of modules).
Connect the open wire end of the AC cable into the junction box using an appropriate gland or strain
relief fitting.
Wire the conductors of the AC(127/220/230): L - red; N - black; PE - yellow green Wire the conductors of
the AC(208/240): L1- red; L2 - black; PE - yellow green.
Connect the AC branch circuit junction box to the point of utility Interconnection.
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Prior to installing any of microinverter, verify that the utility voltage at the point of common connection
matches the voltage rating on microinverter label.
Do not place the microinverter (including DC and AC connectors) where exposed to the sun, rain or
snow,even gap between modules. Allow a minimum of 3/4 inch(2cm). between roof and bottom of the
microinverter to allow proper air flow.
Step 2- Attach Microinverter to Racking System or the PV Module Frame
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1
2
Create a paper installation map to record microinverter serial numbers and position in the array.
Step 3- Create an Installation Map
Step 4- Connect the Microinverter in Parallel
Mark the location of the microinverter on the rack, with respect to the PV module junction box or any
other obstructions.
Mount one microinverter at each of these locations by recommended hardware.
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2
3
Peel the removable serial number label from each microinverter and affix it to the respective location on
the paper installation map.
Fill in the monitoring system account information to the installation map
Always keep a copy of the installation map for your records.
2
Plug the male AC connector of Microinverter into the female connector to get it connected. AC connector
interface is as follows.
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Check Microinverter technical data for the maximum allowable number of Microinverters on each AC
branch circuit.
Step 5- Install an AC Cable Protective End Cap at the End of AC Cable
Step 6- Connect Microinverter to PV Modules
2
First connect the positive DC wire from the PV module to the negatively marked DC connector (male pin) of the
HY-1000/800-Plus. Then connect the negative DC wire from the PV module to the positively marked DC connector
(female socket) of the HY-1000/800-Plus. Repeat for all remaining PV modules using one HY-1000/800-Plus for
each module. All PV modules shall be ungrounded.
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Mount the PV modules above their corresponding HY-1000/800-Plus. Each HY-1000/800-Plus comes with two
oppositely sexed DC connectors.
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DO NOT exceed maximum number of microinverter in an AC branch circuit. For 12awg trunk cable, each
HY-1000/800-Plus AC branch circuit must be sourced from a dedicated branch circuit protected by a 20a
maximum breaker.
Make sure protective end caps have been installed on all unused ac connectors.Unused AC HY-1000/800-
Plus wire harness connectors are live when the system is energized by the utility system.
Completely install all HY-1000/800-Plus and all system inter-wiring connections prior to installing the PV modules.
L(L1) N(L2)
PE
7.5
HY-1000/800-Plus
5. Commissioning
6. Operating Instructions
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CONNECT HY-1000/800-PLUS TO THE ELECTRICAL UTILITY GRID ONLY AFTER RECEIVING PRIOR
APPROVAL FROM THE UTILITY COMPANY.
BE AWARE THAT ONLY QUALIFIED PERSONNEL CAN CONNECT HY-1000/800-PLUS TO THE ELECTRICAL
UTILITY GRID.
ENSURE THAT ALL AC AND DC WIRING IS CORRECT. ENSURE THAT NONE OF THE AC AND DC WIRES
IS PINCHED OR DAMAGED. ENSURE THAT ALL JUNCTION BOXES ARE PROPERLY CLOSED
Following these steps to commission the HY-1000/800-Plus PV system:
The HY-1000/800-Plus is powered on when sufficient DC voltage from the module is applied.
The status LED will start flashing after sufficient DC power is applied as an indication that the HY-1000/800-Plus is live.
Status: Standby
Status: Producing Power
The LED light is on by 2 second, and off by 2 seconds
Red: in error.
Orange: no error, but not communicating to HY-MDL
Green: no error, and communicating to HY-MDL
The LED light is on by 1 second, and off by 1 second.
Orange: not communicating to HY-MDL
Green: communicating to HY-MDL
Status: Grounding Fault
The LED light is in solid red color.
In case of fault, HY-1000/800-Plus has multiple protective functions and stops output power.
The fault message may be sent to a connected HY-MDL monitoring data logger through power line communication.
The error message is displayed on the screen of HY-MDL monitoring data logger by a 16-bit error code.
Turn on the AC disconnects or circuit breakers on each HY-1000/800-Plus AC branch circuit.
Turn on the main utility-grid AC circuit breaker. Your system will start producing power after a few minutes.
The HY-1000/800-Plus will start to send performance data over the power lines using power line communication
(PLC) to the HY-MDL. The time required for each HY-1000/800-Plus in the system to communicate to the HY-MDL
will vary with the number of HY-1000/800-Plus in the system.
1
2
3
Bit-8
Bit-9
Bit-10
Bit-11
Bit-12
Bit-13
Bit-14
Bit-15
Peak AC Voltage Over
AC Current RMS Over
Peak AC Current Over
Temperature Over
ADC Error
GFDI Fault Indicator
Relay Error (for some model)
PLC Communication Error
Error Code
Bit-0
Bit-1
Bit-2
Bit-3
Bit-4
Bit-5
Bit-6
Bit-7
Error
DC Over Voltage
DC Under Voltage
Hardware Error
Inverter Over Voltage
Frequency Over
Frequency Under
AC Voltage RMS Over
AC Voltage RMS Under
7. Troubleshooting and Maintenance
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DO NOT ATTEMPT TO REPAIR THE HY-1000/800-PLUS; IT CONTAINS NO USER-SERVICEABLE PARTS.
IF TROUBLESHOOTING METHODS FAIL, PLEASE RETURN THE HY-1000/800-PLUS TO YOUR
DISTRIBUTOR FOR MAINTENANCE.
NEVER DISCONNECT THE DC WIRE CONNECTORS UNDER LOAD. ENSURE THAT NO CURRENT IS
FLOWING IN THE DC WIRES PRIOR TO DISCONNECTING. AN OPAQUE COVERING MAY BE USED TO
COVER THE MODULE PRIOR TO DISCONNECTING
HY-1000/800-PLUS IS POWERED BY DC POWER FROM PV MODULES. MAKE SURE YOU DISCONNECT
THE DC CONNECTIONS AND RECONNECT DC POWER TO WATCH FOR THE TWO SECONDS LED ON
AND TWO SECONDS LED OFF AFTER DC IS APPLIED.
Check the connection to the utility grid. Verify that the utility voltage and frequency are within allowable ranges
shown in the label of HY-1000/800-Plus.
Verify utility power is present at the inverter in question by removing AC, then DC power. Never disconnect the
DC wires while the HY-1000/800-Plus is producing power. Re-connect the DC module connectors, and then
watch for the LED blinks.
Check the AC branch circuit interconnection harness between all the HY-1000/800-Plus. Verify that each inverter
is energized by the utility grid as described in the previous step.
Make sure that any AC disconnects are functioning properly and are closed.
Verify the PV module DC voltage is within the allowable range shown in the label of HY-1000/800-Plus.
Check the DC connections between the HY-1000/800-Plus and the PV module.
PLC signal quality may be checked through the interface on the HY-MDL monitoring data logger.
If the PLC signal is weak, it might be due to the distance between the microinverter and the monitoring data logger.
It may also be caused by the interference from other electronic devices. In most cases, signal quality may be
significantly improved by moving the HY-MDL to closer to the microinverter arrays, and/or farther away from other
interferers. In some cases, a signal filter (LCF) may be installed to reduce the interference to PLC communication.
If there are two or more separate microinverter systems close by, it is highly recommended to install LCF for each
microinverter system to block interference from adjacent other systems.
If the problem persists, please contact Huayu.
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LED Indication of Erro
Troubleshooting an Inoperable HY-1000/800-Plus
ALWAYS DISCONNECT AC POWER BEFORE DISCONNECTING PV MODULE WIRES FROM HY-1000/800-
PLUS. THE AC CONNECTOR OF THE FIRST HY-1000/800-PLUS IN A BRANCH CIRCUIT IS SUITABLE AS
A DISCONNECTING MEANS ONCE THE AC BRANCH CIRCUIT BREAKER IN THE LOADCENTER HAS BEEN
OPENED.
error mode (except for grounding error)
The LED light flashes in red color
NOT communicating with HY-MDL-3, and with no error
grounding fault
The LED light flashes in orange color.
The LED light is in solid red color.
To troubleshoot an inoperable HY-1000/800-Plus, follow the steps in the order shown:
To ensure the HY-1000/800-Plus is not disconnected from the PV modules under load, adhere to the following
disconnection steps in the order shown:
Installing a replacement HY-1000/800-Plus
Disconnect the AC by opening the branch circuit breaker.
Attach the replacement HY-1000/800-Plus to the PV module racking using hardware recommended by your
module racking vendor.
Connect the AC cable of the replacement HY-1000/800-Plus and the neighboring HY-1000/800-Plus to complete
the branch circuit connections.
Complete the installation map and connect the PV Modules.
Complete the installation map
Each HY-1000/800-Plus has a removable serial number located on the mounting plate. Enter this serial number
into a HY-MDL, and correspond it to a number in the installation map.
Connect the PV Modules
Completely install all HY-1000/800-Plus and all system inter-wiring connections prior to installing the PV modules.
Replace the old PLC_ID in the HY-MDL monitoring data logger with the new PLC_ID of the replacement microinverter.
Disconnect the first AC connector in the branch circuit.
Cover the module with an opaque cover.
Using a DC current probe, verify there is no current flowing in the DC wires between the PV module and the
HY-1000/800-Plus.
Care should be taken when measuring DC currents, most clamp-on meters must be zeroed first and tend to
drift with time.
Disconnect the PV module DC wire connectors from the HY-1000/800-Plus.
Remove the HY-1000/800-Plus from the PV array racking.
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Disconnecting a HY-1000/800-Plus from the PV Module
Data Sheet
Output Data(AC)
Maximum Continuous Output Power
Peak Output Power
Nominal (L-L) Voltage/Range
Maximum Continuous Output Current
Nominal Frequency/Range
Extended Frequency/Range
AC Short Circuit Fault Current Over 3 Cycles
Maximum Units Per 20 A (L-L) Branch Circuit
Overvoltage Class AC Port
Power Factor(Adjustable)
Level of Harmonics Distortion
1100W
1000W
240/211~264V 208/183~229V
45~55Hz / 55~65Hz
15Arms
230/Configurable
8.33A 9.62A 8.7A
444
60Hz/59.3~60.5Hz 50Hz/Configurable
III
>0.99 Default, 0.8 Leading...0.8 Lagging...
<3%
Input Data(DC)
Commonly Used Module Pairings
Maximum Input DC Voltage
Power Point Tracking Voltage Range
Operating Range
Startup Voltage
Overvoltage Class DC Port
DC Port Backfeed Current
PV Array Configuration
Maximum Input Current
HY-1000-Plus
2×500Wp~750Wp
60V
30~55V
16~60V
20V
II
0 A
2×17A
1 x 1 ungrounded array; No additional DC side protection required;
AC side protection requires max. 25A per branch circuit
The AC and DC connectors have been evaluated and approved by UL for use as the load-break
disconnect required by NEC 690.
Communication
Monitoring
Disconnecting Means
Compliance
Warranty
Features
PLC(Extra Data Logger) / Wi-Fi(Data Logger Bulit-in)
Support remote web page monitoring and local MDL monitoring
UL1741, INMETRO,VDE4105, VDE0126, IEC62109, EN50549, CE & INMETRO etc.
25 years
Efficiency
CEC Weighted Efficiency
Peak Efficiency
Static MPPT Efficiency
Night Time Power Consumption
95%
96.5%
99%
<50mW
Ambient Temperature Range
Relative Humidity Range
Mechanical Data
-40ºC~+65ºC
4% to 100% (Condensing)
Connector Type: DC
Dimensions(W*H*D)
Weight
Cooling
Approved for Wet Locations
Pollution Degree
Enclosure Environmental Rating
AC Cable Length(Integrated with AC Connectors) 3m+
PD3
IP67
MC4
268×250×42 mm (Without mounting bracket and cable)
2.9kg
Natural Convection-No Fans
Yes
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8. Specification
13
Data Sheet
Output Data(AC)
Maximum Continuous Output Power
Peak Output Power
Nominal (L-L) Voltage/Range
Maximum Continuous Output Current
Nominal Frequency/Range
Extended Frequency/Range
AC Short Circuit Fault Current Over 3 Cycles
Maximum Units Per 20 A (L-L) Branch Circuit
Overvoltage Class AC Port
Power Factor(Adjustable)
Level of Harmonics Distortion
880W
800W
240/211~264V 208/183~229V
45~55Hz / 55~65Hz
15Arms
230/Configurable
3.2A 3.36A 3.26A
555
60Hz/59.3~60.5Hz 50Hz/Configurable
III
>0.99 Default, 0.8 Leading...0.8 Lagging...
<3%
Input Data(DC)
Commonly Used Module Pairings
Maximum Input DC Voltage
Power Point Tracking Voltage Range
Operating Range
Startup Voltage
Overvoltage Class DC Port
DC Port Backfeed Current
PV Array Configuration
Maximum Input Current
HY-800-Plus
2×400Wp~650Wp
60V
22~55V
16~60V
20V
II
0 A
2×17A
1 x 1 ungrounded array; No additional DC side protection required;
AC side protection requires max. 25A per branch circuit
The AC and DC connectors have been evaluated and approved by UL for use as the load-break
disconnect required by NEC 690.
Communication
Monitoring
Disconnecting Means
Compliance
Warranty
Features
PLC(Extra Data Logger) / Wi-Fi(Data Logger Bulit-in)
Support remote web page monitoring and local MDL monitoring
UL1741, INMETRO,VDE4105, VDE0126, IEC62109, EN50549, CE & INMETRO etc.
25 years
Efficiency
CEC Weighted Efficiency
Peak Efficiency
Static MPPT Efficiency
Night Time Power Consumption
95%
96.5%
99%
<50mW
Ambient Temperature Range
Relative Humidity Range
Mechanical Data
-40ºC~+65ºC
4% to 100% (Condensing)
Connector Type: DC
Dimensions(W*H*D)
Weight
Cooling
Approved for Wet Locations
Pollution Degree
Enclosure Environmental Rating
AC Cable Length(Integrated with AC Connectors) 3m+
PD3
IP67
MC4
268×250×42 mm (Without mounting bracket and cable)
2.9kg
Natural Convection-No Fans
Yes
8. Specification
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Huayu Portal - Mobile App
Tel: +86-574-8925 8801
Add: No.456 Xingning Road, Ningbo 315100, P.R.China
E-mail: info@huayu-energy.com
Website: www.huayu-energy.com
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