Darfon H5001 User manual

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INSTALLATION MANUAL
H5001 HYBRID INVERTER

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TABLE OF CONTENTS
IMPORTANT SAFETY WARNINGS...................................................................................3
PRODUCT OVERVIEW.......................................................................................................4
MOUNTING THE INVERTER..............................................................................................5
Installing the Inverter onto the Wall ....................................................................................... 5
REMOVING AND INSTALLING THE DEAD-FRONT COVER...........................................6
PV MODULE (DC) CONNECTION .....................................................................................7
Connecting the PV Arrays......................................................................................................... 7
GRID (UTILITY) CONNECTION .........................................................................................8
Connecting to the Grid/Utility ..................................................................................................8
Circuit Protection......................................................................................................................8
BATTERY CONNECTION AND CHARGING REQUIREMENTS.......................................9
Connecting the Batteries .........................................................................................................9
BATTERY CHARGING REQUIREMENTS.......................................................................10
Charging Characteristics..........................................................................................................10
LOAD (AC OUTPUT) CONNECTION...............................................................................11
Connecting to the Load........................................................................................................... 11
OPERATION AND DISPLAY PANEL...............................................................................12
Display Panel Overview ...........................................................................................................12
Starting the System .................................................................................................................12
Stopping the System ...............................................................................................................12
LCD Screen –Icons and Pages ................................................................................................13
System Settings .......................................................................................................................15
Error and Warning Definition..................................................................................................17
GENERATOR [GENERATOR KIT SOLD SEPARATELY]..............................................19
Generator Sizing ......................................................................................................................19
Automatic Start Generator .....................................................................................................19
CONFIGURING THE HARDWARE ..................................................................................20
Connecting to the Hardware ................................................................................................. 20
Using the Application Software..............................................................................................21
Modifying the Parameters (Installer Login Only) ................................................................. 23
AP Parameters ........................................................................................................................ 25
MAINTENANCE & CLEANING.........................................................................................26
Wiring Diagram ....................................................................................................................... 26
SPECIFICATIONS.............................................................................................................27
GRID SUPPORT PARAMERTERS (UL1741SA).............................................................28

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IMPORTANT SAFETY WARNINGS
PLEASE READ ALL INSTRUCTIONS AND CAUTIONARY MARKINGS ON THE UNIT AND THIS GUIDE BEFORE
INSTALLING THE INVERTER. AND, STORE THIS USER MANUAL WHERE IT CAN BE ACCESSED EASILY.
This manual is for qualified personnel. The tasks described in this manual should be performed by qualified personnel only.
Safety Symbols
WARNING. This indicates the risk of electric shock. The presence of high voltage levels may constitute a risk of injury or death to users
and/or installers.
CAUTION. This indicates important information where failure to comply may result in safety hazards or cause damage to this product.
General Precautions
CAUTION. Before installing and using this inverter, read all instructions and cautionary markings on the inverter and all appropriate
sections of this guide. Installing this inverter by licensed electricians only.
CAUTION. Normally grounded conductors may be ungrounded and energized when a ground fault is indicated.
CAUTION. This inverter is heavy. It should be lifted by at least two persons for the safety.
WARNING. Authorized service personnel should reduce the risk of electrical shock by disconnecting AC, DC and battery
power from the inverter before attempting any maintenance or cleaning or working on any circuits connected to the inverter.
Turning off controls will not reduce this risk. Internal capacitors can remain charged for 5 minutes after disconnecting all
sources of power.
WARNING. Do not disassemble this inverter yourself. It contains no user-serviceable parts. Attempt to service this inverter yourself
may cause a risk of electrical shock or fire and will void the warranty from the manufacturer.
WARNING. To avoid a risk of fire and electric shock, make sure that existing wiring is in good condition and that the wire is not
undersized. Do not operate the Inverter with damaged or substandard wiring.
WARNING. To reduce risk of fire hazard, do not cover or obstruct the cooling fans.
CAUTION. Do not install the Inverter if it has received a sharp blow, been dropped, or otherwise damaged in any way. If the Inverter is
damaged, call for an RMA (Return Material Authorization).
CAUTION. This inverter is not allowed to operate in parallel. Do not parallel connect more than one unit in AC output connector.
Otherwise, it will damage this inverter.
Manufactured by
Darfon Electronics Corp.
167 Shan-ying Road, Gueishan
Taoyuan 333, Taiwan, (R.O.C.)
Tel: [phone]
USA Office
Darfon America Corp.
103A Pioneer Way
Mountain View, CA 94041
Tel: [phone]
For more information
www.darfonsolar.com
© 2018 Darfon Electronics Corp. All rights reserved. All specifications are subject to change without prior notice. Darfon and the Darfon logo are
trademarks of Darfon Electronics Corp. All other trademarks are the property of the respective owners.

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PRODUCT OVERVIEW
The H5001 hybrid inverter provides power to the essential load by
utilizing power from PV panels, the utility and batteries. When the PV
panels (two string input) generates enough power, the inverter
supports the essential load, feeds back to the grid and charges the
batteries, all at the same time. When the energy generated by the PV
panels is not sufficient to support the essential load, the inverter takes
power from the utility.
To accommodate various power situations, the H5001 is designed to
handle continuous power from PV panels, batteries and the utility.
When the MPPT input voltage from the PV panels is within the
acceptable range, between 250 and 430VDC, the inverter can feed the
grid and charge the batteries.
Note: When PV input voltage is lower than 250V, the power of
the inverter will de-rate.
H5001
Distribution Box
A wiring subpanel is pre-assembled at the factory. It consists of breakers,
disconnects and batteries paralleled circuits.
BASIC HYBRID PV STORAGE SYSTEM OVERVIEW

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MOUNTING THE INVERTER
Before installation, make sure nothing inside the package is damaged. You should have received the following items in the package:
H5001 hybrid inverter, backplate, brackets, screws and this installation manual.
The following considerations must be taken into account when selecting where to install.
The unit cannot be mounted on flammable construction materials.
The unit must be mounted to a solid surface.
The unit should be installed at eye level in order to easily read the LCD display at any time.
Allow 20cm (8in) of clearance to the sides and 50cm (20in) to the top and bottom of the unit for proper air circulation to dissipate
heat.
The ambient temperature must be between 0 and 50°C and relative humidity must be between 5 and 85% to ensure optimal
operation. Do not operate where the temperature and humidity are beyond the specified limits.
The unit has a Pollution Degree rating of PD2. The unit must be mounted in a protected area that is dry, free of excessive dust and
has adequate air flow.
The unit was designed with an IP20 protection rating and is for indoor applications only.
CAUTION. This inverter is heavy (87lb/40kg). Be carefully while lifting and mounting the unit. Installation should be handled
by two people. Do not hang or place additional weight onto the inverter.
Installing the Inverter onto the Wall
Step 1. Use the backplate as a
template, and install anchors
as needed.
Note: If installing onto
drywall, Unistrut needs to be
mounted and secured to two
studs in the wall. The
backplate and inverter’s
brackets are secured to the
Unistrut using Unistrut lugs.
Step 2. Mount the backplate onto the wall.
Note: Use at least two screws, one on
the left the other on the right.
Step 3. Install the brackets onto each
side of the inverter.
Step 4. Hang the inverter onto the
backplate.
Step 5. Secure the brackets on
inverters to the wall.
Note: Use at least two screws, one
on each side of the inverter.

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REMOVING AND INSTALLING THE DEAD-FRONT COVER
Before making any connections (PV, Grid, Battery or Load), you will need to first remove the dead-front cover from the distribution
box. After the connections have been completed, the dead-front cover must be reinstalled back into the distribution box. There are
two versions of dead-front covers, please check which version you have. Version 1 has three screws: one top-left, one top-right and
one at the bottom. Version 2 has four screws: one top-left, one top-right, one bottom-left and one bottom-right. Use the following
steps to remove and reinstall the dead-font cover.
Removing the Dead-Front Cover (Version 1)
Step 1. Remove the distribution box’s door by removing the
four screws from the door hinge.
Step 2. Remove the three screws from the dead-front cover,
then pull the cover off.
Installing the Dead-Front Cover (Version 1)
Step 1. Place the dead-front cover back into the distribution
box and secure with three screws.
Step 2. Place the back onto the distribution box, align and
secure the pins at the door hinge with the four screws.
Removing the Dead-Front Cover (Version 2)
Step 1. Remove the four screws from the dead-front cover, then pull the cover off.
Installing the Dead-Front Cover (Version 2)
Step 1. Place the dead-front cover back into the distribution box and secure with four screws.

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PV MODULE (DC) CONNECTION
There is a DC (PV) circuit breaker in the distribution box. This system can connect to two strings of PV modules with MPPT control.
Configure each PV input as recommended in the table below. Vmp is a PV panel’s max power point voltage. The PV charging
efficiency is maximized when the PV system’s voltage is close to Best Vmp.
TERMINAL MARK
PV Input Power
Typical Amperage
Cable Size
Torque
BEST VMP
VMP range
PV input 1
3.25kW
13A
12 AWG
1.4 - 1.6 Nm
360V
250V - 430V
PV input 2
3.25kW
13A
12 AWG
1.4 - 1.6 Nm
360V
250V - 430V
WARNING. Because this inverter is non-isolated, only two types of PV modules are acceptable: single crystalline and poly crystalline with only
Class A-rated. To avoid any malfunction, do not connect any PV modules with possibility of leakage current to the inverter. For example,
non-grounded PV modules will cause leakage current to the inverter.
CAUTION. To reduce the risk of damage due to surge, Darfon recommends surge protection between the modules and the inverter.
CAUTION. To reduce the risk of injury, use the proper cable size for PV module connection.
CAUTION. Exceeding the maximum input voltage can destroy the unit. Check the PV string voltage before wiring the connection.
Connecting the PV Arrays
Step 1. For each PV input string, make sure the input voltage is between
250VDC and 430VDC, and the maximum current is 13A.
Note: The inverter can still be installed if you are only using
one PV input string.
Step 2. Make sure the circuit breaker is off.
Step 3. Strip 15mm(0.6in) of insulation from each PV cable (PV1+, PV1-, PV2+
and PV2-).
Step 4. Insert the PV cables into the PV quick connect terminals. Make sure
the polarity for each connection is correct; positive to positive and
negative to negative.
WARNING. Never touch the terminals of the inverter directly. It will
cause lethal electric shock.
WARNING. The final connection for DC strings should be done at the
array not at the inverter.
DC CABLE FOR PV CONNECTIONS
CONNECTING TO PV MODULE

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GRID (UTILITY) CONNECTION
There is an AC (Grid) circuit breaker in the distribution box. This will ensure the inverter can be safely disconnected during
maintenance and is fully protected from overcurrent of AC input.
AC GRID
UTILITY
TYPE
USA: 240V/120V 60HZ
SPLIT-PHASE SYSTEM
EURO: 230V 50HZ SINGLE
PHASE SYSTEM
GRID CONNECTION WIRING
REQUIREMENTS
GRID RATED POWER
NOMINAL VOLTAGE
WIRE SIZE
TORQUE
5KW
230/240 VAC
8 AWG
0.82 Nm
Connecting to the Grid/Utility
Step 1. Check the grid voltage and frequency with an AC voltmeter. It should
be within the operation AC voltage range of the product’s
specifications.
Step 2. Make sure the circuit breaker is off.
Step 3. For each AC wire, strip 15mm(0.6in) of isolation.
Step 4. Connect the AC wires to the inverter according to the labels indicated
on the terminal block or your grid utility type.
Note: The PE protective conductor (Ground) should be the first to be
connected.
Circuit Protection
There are three circuit breakers that protect the Grid
path. One circuit breaker is in the distribution box and is
rated at 40A. Then there are two line circuit breakers
behind the access panel that are rated at 40A. If the
Grid is properly connected and the inverter displays
warning code 55 (Grid is disconnected), check all three
circuit breakers.
WARNING. To reduce the risk of injury, use the recommended wire
size. It is very important for system safety and efficient operation to
use the appropriate wire for grid (utility) connection.
WARNING. To prevent the risk of electric shock, make sure the
ground wire is properly earthed before operating this unit whether
the grid is connected or not.
CONNECTING TO AC UTILITY TERMINAL
AC WIRE FOR GRID CONNECTION
Grid Circuit Breaker
in Distribution Box
Grid Line Circuit
Breakers behind
Access Panel

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BATTERY CONNECTION AND CHARGING REQUIREMENTS
There is a DC (Battery) circuit breaker in the distribution box. Before connecting the batteries, please have the battery specifications
on hand.
Notes: 1.For lead acid batteries, Flooded, Gel or AGM can be used. Please check maximum charging voltage and
current when first using this inverter.
2. If using Lithium batteries, consult with the battery manufacturer for details.
BATTERY POWER
TYPICAL AMPERAGE
BATTERY CAPACITY
CABLE LENGTH
CABLE SIZE
TORQUE VALUE
5KW
104A
200 to 600AH
< 3m (one-way)
2 AWG
2 to 3Nm (18 to 26 in-lb)
WARNING. To reduce the risk of injury, use the recommended cable size above. It is very important for system safety and efficient operation
to use the appropriate cable for battery connection.
Connecting the Batteries
Step 1. Make sure the circuit breaker is off.
Step 2. Make sure the nominal voltage for the batteries is 48VDC.
WARNING. Shock Hazard. Installation must be performed with care due to
high battery current.
Step 3. Strip 8mm(0.3in) of insulation from each battery cable and insert it
into a ring lug.
Step 4. Connect the battery ring lugs to the battery terminals. Make sure the
polarity for each connection is correct; positive to positive and
negative to negative.
RED cable to the positive terminal (+);
BLACK cable to the negative terminal (-).
CAUTION. Before making the final DC connection or closing DC breaker,
make sure the connections have the correct polarity.
CAUTION. Do not apply anti-oxidant substance on the terminals before
terminals are connected tightly.
CAUTION. Do not place anything between the flat part of the inverter terminal and the ring terminal. Otherwise, overheating may occur.
Step 5. Update AP registers as needed. See page 23 for instructions on modifying the parameters and page 25 for remote settings
of AP parameters.
CABLES FOR BATTERY CONNECTION
CONNECTING TO BATTERY TERMINAL

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BATTERY CHARGING REQUIREMENTS
The default charging parameters are shown below. Use this as a reference to make sure the battery selected is compatible with
H5001 inverter. It is recommended that you use a deep cycle battery when the mode of operation is not set as one of the two
back-up modes. If you want to change battery charging parameters, refer to “Modifying the Parameters” on page 23 and “Remote
Settings” on page 25.
Charging Characteristics
PARAMETERS
LEAD-ACID BATTERY (DEFAULT VALUES)
LITHIUM BATTERIES (DEFAULT VALUES)
Max. Current
60A
60A
Float Voltage
54.4Vdc
N/A
Bulk Voltage
56.4Vdc
Darfon: 57.4Vdc, Panasonic: 52Vdc, Dragonfly: 57.6Vdc
Charging process
First - charging voltage increases to 56.4V.
Second- charging voltage will maintain at 56.4V until
charging current is down to 2A.
Third- goes to float voltage at 54.4V.
First –SOC voltage increases to bulk voltage.
Second - charging voltage will maintain until SOC is 99%.
Third- stop charging after 1 hour.