FOX ESS H1-3.7-E Manual
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H1/AC1 SERIES
User Manual
In order to prevent improper operation before use, please carefully read this manual.
1
Table of Contents
1. Notes on This Manual 2.....................................................................................................................................
1.1 Scope of Validity 2........................................................................................................................................
1.2 Target Group 2..............................................................................................................................................
1.3 Symbols Used 2............................................................................................................................................
2. Safety 3.................................................................................................................................................................
2.1 Appropriate Usage 3.....................................................................................................................................
2.2 PE Connection and Leakage Current 4....................................................................................................
2.3 Surge Protection Devices (SPDs) for PV Installation 5..........................................................................
3. Introduction 5.......................................................................................................................................................
3.1 Basic Features 5...........................................................................................................................................
3.2 Dimensions 6.................................................................................................................................................
3.3 Terminals of Inverter 7.................................................................................................................................
4. Technical Data 8..................................................................................................................................................
4.1 PV Input (For Hybrid Only) 8.......................................................................................................................
4.2 Battery 8.........................................................................................................................................................
4.3 AC Output/Input 9.........................................................................................................................................
4.4 EPS Output 9.................................................................................................................................................
4.5 Efficiency, Safety and Protection 10..........................................................................................................
4.6 General Data 10............................................................................................................................................
5. Installation 11.......................................................................................................................................................
5.1 Check for Physical Damage 11..................................................................................................................
5.2 Packing List 11..............................................................................................................................................
5.3 Mounting 12...................................................................................................................................................
6. Electrical Connection 14.....................................................................................................................................
6.1 PV Connection (For Hybrid Only) 14.........................................................................................................
6.2 Battery Connection 15.................................................................................................................................
6.3 Grid Connection 16.......................................................................................................................................
6.4 Earth Connection 19.....................................................................................................................................
6.5 Communication Device Installation (Optional) 19...................................................................................
6.6 EPS Connection 26......................................................................................................................................
6.7 Inverter Start-Up 28......................................................................................................................................
6.8 Inverter Switch Off...................................................................................................................................28
7. Firmware Upgrading 29......................................................................................................................................
8. Operation 30...........................................................................................................................................................
8.1 Control Panel 30...........................................................................................................................................
8.2 Function Tree........................................................................................................................................... 31
9. Maintenance 31.....................................................................................................................................................
9.1 Alarm List 31..................................................................................................................................................
9.2 Troubleshooting and Routine Maintenance 37........................................................................................
10. Decommissioning 38.............................................................................................................................................
10.1 Dismantling the Inverter 38.......................................................................................................................
10.2 Packaging 38...............................................................................................................................................
10.3 Storage and Transportation..............................................................................................
38
2
1. Notes on This Manual
1.1 Scope of Validity
This manual describes the assembly, installation, commissioning, maintenance and troubleshooting of
the following model(s) of Fox products:
H1- 3.0-E H1- 3.7-E H1- 4.6-E H1- 5.0-E H1- 6.0-E
AC1- 3.0-E AC1- 3.7-E AC1- 4.6-E AC1- 5.0-E AC1-6.0-E
Note: Please keep this manual where it will be accessible at all times.
1.2 Target Group
This manual is for qualified electricians. The tasks described in this manual only can be performed by
qualified electricians.
1.3 Symbols Used
The following types of safety instructions and general information appear in this document as described
below:
Danger!
“Danger” indicates a hazardous situation which, if not avoided, will result in death or
serious injury.
Warning!
“Warning” indicates a hazardous situation which, if not avoided, could result in death
or serious injury.
Caution!
“Caution” indicates a hazardous situation which, if not avoided, could result in minor
or moderate injury.
Note!
“Note” provides important tips and guidance.
This section explains the symbols shown on the inverter and on the type label:
Symbols
Explanation
Symbol Explanation CE mark. The inverter complies with the requirements of the
applicable CE guidelines.
Beware of hot surface. The inverter can become hot during operation. Avoid contact
during operation.
Danger of high voltages.
Danger to life due to high voltages in the inverter!
3
Danger.
Risk of electric shock!
Danger to life due to high voltage.
There is residual voltage in the inverter which needs 5 min to discharge.
Wait 5 min before you open the upper lid or the DC lid.
Read the manual.
Product should not be disposed as household waste.
2. Safety
2.1 Appropriate Usage
H1/AC1 series inverters are designed and tested in accordance with international safety
requirements. However, certain safety precautions must be taken when installing and operating this
inverter. The installer must read and follow all instructions, cautions and warnings in this installation
manual.
-All operations including transport, installation, start-up and maintenance, must be carried out by
qualified, trained personnel.
-The electrical installation & maintenance of the inverter shall be conducted by a licensed
electrician and shall comply with local wiring rules and regulations.
-Before installation, check the unit to ensure it is free of any transport or handling damage, which
could affect insulation integrity or safety clearances. Choose the installation location carefully
and adhere to specified cooling requirements. Unauthorized removal of necessary protections,
improper use, incorrect installation and operation may lead to serious safety and shock hazards
or equipment damage.
-Before connecting the inverter to the power distribution grid, contact the local power distribution
grid company to get appropriate approvals. This connection must be made only by qualified
technical personnel.
-Do not install the equipment in adverse environmental conditions such as in close proximity to
flammable or explosive substances; in a corrosive or desert environment; where there is
exposure to extreme high or low temperatures; or where humidity is high.
-Do not use the equipment when the safety devices do not work or are disabled.
-Use personal protective equipment, including gloves and eye protection during the installation.
-Inform the manufacturer about non-standard installation conditions.
-Do not use the equipment if any operating anomalies are found. Avoid temporary repairs.
-All repairs should be carried out using only approved spare parts, which must be installed in
accordance with their intended use and by a licensed contractor or authorized Fox service
representative.
-Liabilities arising from commercial components are delegated to their respective manufacturers.
4
-Any time the inverter has been disconnected from the public network, please be extremely
cautious as some components can retain charge sufficient to create a shock hazard. Prior to
touching any part of the inverter please ensure surfaces and equipment are under touch safe
temperatures and voltage potentials before proceeding.
2.2 PE Connection and Leakage Current
PV System Residual Current Factors
-
In every PV installation, several elements contribute to the current leakage to protective earth (PE).
these elements can be divided into two main types.
-
- Capacitive discharge current - Discharge current is generated mainly by the parasitic capacitance
of the PV modules to PE. The module type, the environmental conditions (rain, humidity) and even
the distance of the modules from the roof can effect the discharge current. Other factors that may
contribute to the parasitic capacitance are the inverter’s internal capacitance to PE and external
protection elements such as lighting protection.
-
During operation, the DC bus is connected to the alternating current grid via the inverter. Thus, a
portion of the alternating voltage amplitude arrives at the DC bus. The fluctuating voltage constantly
changes the charge state of the parasitic PV capacitor (i.e capacitance to PE). This is associated
with a displacement current, which is proportional to the capacitance and the applied voltage
amplitude.
-
Residual current - if there is a fault, such as defective insulation, where an energized cable comes
into contact with a grounded person, an additional current flows, known as a residual current.
Residual Current Device (RCD)
-
All Fox inverters incorporate a certified internal RCD (Residual Current Device) to protect against
possible electrocution in case of a malfunction of the PV array, cables or inverter (DC). The RCD in
the Fox inverter can detect leakage on the DC side. There are 2 trip thresholds for the RCD as
required by the DIN VDE 0126-1-1 standard. A low threshold is used to protect against rapid
changes in leakage typical of direct contact by people. A higher threshold is used for slowly rising
leakage currents, to limit the current in grounding conductors for the safety. The default value for
higher speed personal protection is 30mA, and 300mA per unit for lower speed fire safety.
Installation and Selection of an External RCD device
-
An external RCD is required in some countries. The installer must check which type of RCD is
required by the specific local electric codes. Installation of an RCD must always be conducted in
accordance with local codes and standards. Fox recommends the use of a type-A RCD. Unless a
lower value is required by the specific local electric codes, Fox suggests an RCD value between
100mA and 300mA.
-
In installations where the local electric code requires an RCD with a lower leakage setting, the
discharge current might result in nuisance tripping of the external RCD. The following steps are
recommended to avoid nuisance tripping of the external RCD:
1. Selecting the appropriate RCD is important for correct operation of the installation. An RCD with a
rating of 30mA may actually trip at a leakage as 15mA (according to IEC 61008). High quality RCDs will
typically trip at a value closer to their rating.
2. Configure the trip current of the inverter’ internal RCD to a lower value than the trip current of the
external RCD. The internal RCD will trip if the current is higher than the allowed current, but because the
internal inverter RCD automatically resets when the residual currents are low it saves the manual reset.
5
2.3 Surge Protection Devices (SPDs) for PV Installation
WARNING!
Over-voltage protection with surge arresters should be provided when the PV power system is
installed. The grid connected inverter is not fitted with SPDs in both PV input side and mains side.
Lightning will cause damage either from a direct strike or from surges due to a nearby strike.
Induced surges are the most likely cause of lightning damage in majority or installations, especially
in rural areas where electricity is usually provided by long overhead lines. Surges may impact on
both the PV array conduction and the AC cables leading to the building. Specialists in lightning
protection should be consulted during the end use application. Using appropriate external lightning
protection, the effect of a direct lightning strike into a building can be mitigated in a controlled way,
and the lightning current can be discharged into the ground.
Installation of SPDs to protect the inverter against mechanical damage and excessive stress include
a surge arrester in case of a building with external lightning protection system (LPS) when
separation distance is kept. To protect the DC system, surge suppression device (SPD type2) should
be fitted at the inverter end of the DC cabling and at the array located between the inverter and the
PV generator, if the voltage protection level (VP) of the surge arresters is greater than 1100V, an
additional SPD type 3 is required for surge protection for electrical devices.
To protect the AC system, surge suppression devices (SPD type2) should be fitted at the main
incoming point of AC supply (at the consumer’s cutout), located between the inverter and the
meter/distribution system; SPD (test impulse D1) for signal line according to EN 61632-1. All DC
cables should be installed to provide as short a run as possible, and positive and negative cables of
the string or main DC supply should be bundled together.
Avoiding the creation of loops in the system. This requirement for short runs and bundling includes
any associated earth bundling conductors. Spark gap devices are not suitable to be used in DC
circuits once conducting; they won’t stop conducting until the voltage across their terminals is
typically below 30 volts.
3. Introduction
3.1 Basic Features
H1/AC1 series is high-quality inverters which can convert solar energy to AC energy and store energy
into battery. The inverter can be used to optimize self-consumption, store in the battery for future use or
feed-in to public grid. Work mode depends on PV energy and user’s preference.
• System advantages:
-Advanced DSP control technology.
-Utilizes the latest high-efficiency power component.
-Advanced anti-islanding solutions.
-IP65 protection level.
-Max. Efficiency up to 97.8%. EU efficiency up to 97.0%. THD<3%.
-Safety & Reliability: Transformerless design with software and hardware protection.
-Export limitation (CT/Meter/DRM0/ESTOP).
-Power factor regulation. Friendly HMI.
7
3.3 Terminals of Inverter
Item
Description
A
DC Switch (For Hybrid Only)
B
PV1 (For Hybrid Only)
C
PV2 (For Hybrid Only)
D
Battery Connector
E
METER/CT/RS485
F
Ethernet
G
BMS
H
DRM
I
BACK-UP
J
USB
K
AC Connector
L
Waterproof Lock Valve
M
WiFi / GPRS
N
COM
O
Grounding Screw
8
4. Technical Data
4.1 PV Input (For Hybrid Only)
Model
H1-3.0-E
H1-3.7-E
H1-4.6-E
H1-5.0-E
H1-6.0-E
PV
Max. recommended DC power [W]
3900
4680
5980
6500
7800
Max. DC voltage [V]
600
Nominal DC operating voltage [V]
360
Max. input current
(input A / input B) [A]
A:13.5 / B:13.5
Max. short circuit current
(input A / input B) [A]
A:15 / B:15
Max. inverter backfeed current to
the array [mA]
0
MPPT voltage range [V]
80-550
80-550
80-550
80-550
80-550
Start-up voltage [V]
75
75
75
75
75
No. of MPP trackers
2
2
2
2
2
Strings per MPP tracker
1
1
1
1
1
DC switch
Optional
4.2 Battery
Model
H1-3.0-E
AC1-3.0-E
H1-3.7-E
AC1-3.7-E
H1-4.6-E
AC1-4.6-E
H1-5.0-E
AC1-5.0-E
H1-6.0-E
AC1-6.0-E
BATTERY
Max. charge current [A]
40
Max. discharge current [A]
40
Communication interfaces
CAN / RS485
Reverse connect protection
Yes
9
4.3 AC Output/Input
Model
H1-3.0-E
AC1-3.0-E
H1-3.7-E
AC1-3.7-E
H1-4.6-E
AC1-4.6-E
H1-5.0-E
AC1-5.0-E
H1-6.0-E
AC1-6.0-E
AC OUTPUT
Nominal AC power [VA]
3000
3680
4600
5000
6000
Max. apparent AC power
[VA]
3300
3680/4048 (1)
4600/5060 (2)
5500
6000/6600 (4)
Rated grid voltage
(AC voltage range) [V]
220 / 230 / 240 (180 to 270)
Rated grid frequency [Hz]
50 / 60, ±5
Nominal AC current [A]
13
16
20
21.7
26.1
Max. AC current [A]
14.4
16/17.6(3)
22
23.9
26.1/28.7 (5)
Inrush current
9.6A@50us
Maximum output fault
current[A]
130A@ 10us
Maximum output over
current protection(A)
35
36.7
45.8
47.7
57.4
Displacement power factor
0.8 leading to 0.8 lagging
Total harmonic distortion
(THDi, rated power)
<3%
AC INPUT
Max. AC power [VA]
3000+4000
(Bypass)
3680+4000
(Bypass)
4600+5000
(Bypass)
5000+5000
(Bypass)
6000+6000
(Bypass)
Max. AC current[A]
31.8
34.9
43.7
45.5
54.6
Rated grid voltage
(AC voltage range) [V]
220 / 230 / 240 (180 to 270)
Rated grid frequency [Hz]
50 / 60, ±5
Note: [1] 3680 for G98,4048 for other country, [2] 4600 for VDE-AR-N 4105,5060 for other country
[3] 16for G98,17.6 for other country, [4][5] for Italy and Thailand.
4.4 EPS Output
Model
H1-3.0-E
AC1-3.0-E
H1-3.7-E
AC1-3.7-E
H1-4.6-E
AC1-4.6-E
H1-5.0-E
AC1-5.0-E
H1-6.0-E
AC1-6.0-E
EPS OUTPUT (WITH BATTERY)
Max. EPS power [VA]
5000
5000
6000
6000
6000
EPS rated voltage[V], Frequency [Hz]
230VAC, 50 / 60
EPS peak power[W]
6000,60s
7200,60s
Max. EPS current [A]
21.7
21.7
26.1
26.1
26.1
Switch time [s]
<20ms
Total harmonic distortion
(THDv, linear load)
<2%
Compatible with the generator
Yes
10
4.5 Efficiency, Safety and Protection
Model
H1-3.0-E
AC1-3.0-E
H1-3.7-E
AC1-3.7-E
H1-4.6-E
AC1-4.6-E
H1-5.0-E
AC1-5.0-E
H1-6.0-E
AC1-6.0-E
EFFICIENCY
MPPT efficiency
99.90%
99.90%
99.90%
99.90%
99.90%
Euro-efficiency
97.00%
97.00%
97.00%
97.00%
97.00%
Max. efficiency
97.80%
97.80%
97.80%
97.80%
97.80%
Max. battery charge efficiency
(PV to BAT) (@full load)
98.50%
98.50%
98.50%
98.50%
98.50%
Max. battery discharge efficiency
(BAT to AC) (@full load)
97.00%
97.00%
97.00%
97.00%
97.00%
Standby consumption [W] (Idle)
<3
STANDARD
Safety
IEC62109-1 /-2 / IEC62040/
EMC
EN 61000-6-1 / EN 61000-6-2 / EN 61000-6-3
Certification
G98 / G99 / AS4777.2-2015 / EN50549-1 / CEI 0-21 / VDE-AR-N
4105 / NRS097-2-1 and so on
4.6 General Data
Dimensions (WxHxD) [mm]
430*410*178
Weight [kg]
23
Cooling concept
Natural
Topology
Non-Isolated
Communication
Ethernet, Meter, WiFi/GPRS/LAN (optional), DRM, USB, CT
LCD display
Backlight 16*4 character
ENVIRONMENT LIMIT
Ingress protection
IP65
Protective Class
Class I
Operating temperature range [°C]
-25…... +60°C (derating at +45°C)
Humidity [%]
0～100 (non-condensing)
Altitude [m]
<2000
Storage temperature [°C]
-40…... +70°C
Noise emission(typical) [dB]
<40
Over voltage category
III(AC), II(DC)
12
5.3 Mounting
• Installation Precaution
Make sure the installation site meets the following conditions:
-Not in direct sunlight.
-Not in areas where highly flammable materials are stored.
-Not in potential explosive areas.
-Not in the cool air directly.
-Not near the television antenna or antenna cable.
-Not higher than altitude of about 2000m above sea level.
-Not in environment of precipitation or humidity (> 95%).
-Under good ventilation condition.
-The ambient temperature in the range of -25°C to +60°C.
-The slope of the wall should be within +5*.
-The wall hanging the inverter should meet conditions below:
1. Solid brick/concrete, or strength equivalent mounting surface;
2. Inverter must be supported or strengthened if the wall's strength isn't enough (such as wooden wall,
the wall covered by thick layer of decoration).
Please avoid direct sunlight, rain exposure, snow laying up during installation and operation.
• Space Requirement
• Mounting Steps
Tools required for installation:
-Manual wrench;
-Electric drill (drill bit set 8mm);
-Crimping pliers;
-Stripping pliers;
-Screwdriver.
Position
Min Size
Left
30cm
Right
30cm
Top
30cm
Bottom
30cm
Front
30cm
14
Step 2: Match the inverter with wall bracket
Hang the inverter over the bracket, slightly lower the inverter, and make sure the 2 mounting bars on the
back are fixed with the 2 grooves from bracket properly.
6. Electrical Connection
6.1 PV Connection (For Hybrid Only)
Step 1: PV String Connection
H1 series inverters can be connected with 2-strings of PV modules. Please select suitable PV modules
with high reliability and quality. Open circuit voltage of module array connected should be less than 600V,
and operating voltage should be within the MPPT voltage range.
Note!
Please choose a suitable external DC switch if the inverter does not have a built-in DC switch.
Warning!
PV module voltage is very high and within a dangerous voltage range, please comply with the
electric safety rules when connecting.
Warning!
Please do not make PV positive or negative to ground!
Note!
PV modules: Please ensure they are the same type, have the same output and specifications,
are aligned identically, and are tilted to the same angle. In order to save cable and reduce DC
loss, we recommend installing the inverter as near to the PV modules as possible.
16
• Separate the DC connector (battery) as below.
Plug Pin contact cable nut
• Insert striped cable into pin contact and ensure all conductor strands are captured in the pin contact.
• Crimp pin contact by using a crimping plier. Put the pin contact with striped cable into the
corresponding crimping pliers and crimp the contact.
• Insert pin contact through the cable nut to assemble into back of the male or female plug. When you
feel or hear a “click” the pin contact assembly is seated correctly.
• Unlock the DC connector
- Use the specified wrench tool.
- When separating the DC + connector, push the tool down from the top.
- When separating the DC - connector, push the tool down from the bottom.
- Separate the connectors by hand.
6.3 Grid Connection
Step 1: Grid String Connection
H1/AC1 series inverters are designed for single-phase grid. Voltage range is 220/230/240V; frequency is
50/60Hz. Other technical requests should comply with the requirement of the local public grid.
Table1: Without EPS Function (internal)
Table2: With EPS Function (internal)
Model
H1-3.0-E
AC1-3.0-E
H1-3.7-E
AC1-3.7-E
H1-4.6-E
AC1-4.6-E
H1-5.0-E
AC1-5.0-E
H1-6.0-E
AC1-6.0-E
Cable (AC)
4.0mm²
4.0mm²
6.0mm²
6.0mm²
6.0mm²
Cable (BACK-UP)
4.0mm²
4.0mm²
6.0mm²
6.0mm²
6.0mm²
Micro-Breaker
25A
25A
32A
32A
40A
Model
H1-3.0-E
AC1-3.0-E
H1-3.7-E
AC1-3.7-E
H1-4.6-E
AC1-4.6-E
H1-5.0-E
AC1-5.0-E
H1-6.0-E
AC1-6.0-E
Cable (AC)
8.0mm²
8.0mm²
8.0mm²
8.0mm²
10.0mm²
Cable (BACK-UP)
4.0mm²
4.0mm²
6.0mm²
6.0mm²
6.0mm²
Micro-Breaker
50A
50A
63A
63A
63A
17
Note:
1. If you don't use the EPS function, the wiring conduct core section can refer to the parameters of
table 1.
2. If you use the EPS function,the wiring conduct core section can refer to the parameters of table 2.
3. A micro-breaker for max output overcurrent protection device shall be installed between inverter
and grid, and the current of the protection device is referred to the table above, any load SHOULD
NOT be connected with the inverter directly.
Step 2: Grid Wiring
• Check the grid voltage and compare with the permitted voltage range (refer to technical data).
• Disconnect the circuit-breaker from all the phases and secure against re-connection.
•Trim the wires:
- Trim all the wires to 52.5mm and the PE wire to 55mm.
- Use the crimping pliers to trim 12mm of insulation from all wire ends as below.
Note: Please refer to local cable type and color for actual installation.
A. BACK-UP Wiring
• Separate the BACK-UP plug into three parts as below.
- Hold middle part of the female insert, rotate the back shell to loosen it, detach it from female inset.
- Remove the cable nut (with rubber insert) from the back shell.
• Slide the cable nut and then the back shell onto the cable.
• Push the threaded sleeve into the socket, tighten up the cap on the terminal.
•
L: Brown/Red Wire
N: Blue/Black Wire
PE: Yellow & Green Wire
18
• Push the threaded sleeve to connection terminal until both are locked tightly on the inverter.
• Loosen the cap on the terminal, pull the threaded sleeve out of the socket.
B. AC Wiring
• Separate the AC plug into three parts as below.
- Hold middle part of the female insert, rotate the back shell to loosen it, detach it from female inset.
- Remove the cable nut (with rubber insert) from the back shell.
• Slide the cable nut and then the back shell onto the cable.
• Push the threaded sleeve into the socket, tighten up the cap on the terminal.
• Push the threaded sleeve to connection terminal until both are locked tightly on the inverter.
19
• Remove the AC connector: Press the bayonet out of the slot with a small screwdriver or the unlock
tool and pull it out, or unscrew the threaded sleeve, then pull it out.
6.4 Earth Connection
Screw the ground screw with screwdriver as shown below:
6.5 Communication Device Installation (Optional)
H1/AC1 series inverter are available with multiple communication options such as WiFi, LAN, GPRS,
RS485 and Meter with an external device.
Operating information like output voltage, current, frequency, fault information, etc., can be monitored
locally or remotely via these interfaces.
•WiFi/LAN/GPRS (Optional)
The inverter has an interface for WiFi/LAN/GPRS devices that allow this device to collect information
from inverter; including inverter working status, performance etc., and update that information to
monitoring platform (the WiFi/LAN/GPRS device is available to purchase from your local supplier).
Connection steps:
1. For GPRS device: Please insert the SIM Card (please refer to the GPRS product manual for more
details).
2. For LAN device: Please complete the wiring between router and LAN device (please refer to the LAN
product manual for more details).
3. Plug the WiFi/LAN/GPRS device into “WiFi/GPRS” port at the bottom of the inverter.
4. For WiFi device: Connect the WiFi with the local router, and complete the WiFi configuration (please
refer to the WiFi product manual for more details).
5. Set-up the site account on the Fox monitoring platform (please refer to the monitoring user manual
for more details).
20
•Meter/CT/RS485
The inverter has integrated export limitation functionality. To use this function, a power meter or a
CT must be installed. The PIN definitions of Meter/CT/485 interface are as below.
PIN
1
2
3
4
5
6
7
8
Definition
Meter485A
Meter485B
485B
485A
CT2+
CT2-
CT1-
CT1+
Note:
• CT1: For Hybrid/AC.
CT2: Grid tied inverter (if have).
• Compatible Meter type: DDSU666 (CHINT), SDM230 (EASTRON).
- CT
This inverter has an integrated export management function. To enable this function, a power meter or
CT must be installed. The CT should be clamped on the main live line of the grid side. The arrow on the
CT should be pointing towards the grid. The white cable connects to CT+, and the black cable connects
to CT-.
Meter/CT setting:
Short press the touch key to switch display or make the number+1. Long press the touch key to confirm
your setting.
Settings
Feature Parm
Meter/CT
21
If there is another generator in the home, CT2 can be used to record the power generated by the
generator and transmit the data to the website for monitoring.
- RS485
RS485 is a standard communication interface which can transmit the real time data from inverter
to PC or other monitoring devices.
- Meter (optional)
The inverter has integrated export limitation functionality. To use this function, a power meter or a
CT must be installed. For Meter installation, please install it on the grid side.
Export limitation setting:
Note!
For a precise reading and control of power, a meter can be used instead of a CT. If
the CT is fitted in the wrong orientation, anti-backflow function will fail.
Settings
On-Grid Parm
Export Control
xxxxxW
22
The electricity meter is connected as follows:
•DRM
DRM0 setting
DRM is provided to support several demand response modes by emitting control signals as below.
Mode
Requirement
DRM0
Operate the disconnection device.
DRM1
Do not consume power.
DRM2
Do not consume at more than 50% of rated power.
DRM3
Do not consume at more than 75% of rated power and source reactive power if capable.
DRM4
Increase power consumption (subject to constraints from other active DRMs).
DRM5
Do not generate power.
DRM6
Do not generate at more than 50% of rated power.
DRM7
Do not generate at more than 75% of rated power and sink reactive power if capable.
DRM8
Increase power generation (subject to constraints from other active DRMs).
DRM PIN Definition
Settings
Feature Parm
DRM0
Enable/Disable
23
PIN
1
2
3
4
5
6
7
8
Definition
GND
GND
DRM0
+3.3V
DRM4/8
DRM3/7
DRM2/6
DRM1/5
Model
Socket asserted by shorting pins
Function
DRM0
3
4
Operate the disconnection device.
•Ethernet
Ethernet communication is the standard communication interface.
Application Occasion
This function is appliable for the below situation:
1) For data transmission: It can transmit the inverter data from inverter to PC or other monitoring
equipment.
2) For monitoring: It can transmit the inverter data from inverter to Foxess monitoring website/APP
though home router connected.
Ethernet PIN Definition
PIN
1
2
3
4
5
6
7
8
Definition
TX+
TX-
RX+
X
X
RX-
X
X
•BMS
Communication interface between inverter and battery is RS485 or CAN with a Rj45 connector.
PIN
1
2
3
4
5
6
7
8
Definition
/
GND
BMS-485B
BMS-CANL
BMS-CANH
/
/
BMS-485A
24
Connection steps:
Step 1: Prepare a standard network cable and cable connector, then insert the network cable through the
cable connector.
Step 2: Crimp the cable with a Rj45 plug which is inside of the cable connector.
Step 3: Insert the cable connector into BMS port at the bottom of inverter and screw it tightly.
•COM
ESTOP: Close the inverter.
Generator: Connect the generator and start-up it.
CAN: External debug.
PIN
1
2
3
4
5
6
7
8
Definition
+3.3 V
GND
GENERATOR
BMS-CANL
BMS-CANH
+3.3V
GND
ESTOP
Model
Socket asserted by shorting pins
Function
ESTOP
7
8
Emergency stop the inverter.
25
Connection steps:
Step 1: Open the lid cover.
Step 2: Prepare a standard network cable and cable connector, then insert the network cable through the
cable connector.
Step 3: Crimp the cable with a Rj45 plug which is inside of the cable connector.
Step 4: Insert the cable connector into COM port at the bottom of inverter and screw it tightly. Then insert
other side of the network cable into PC or other device.
26
Note:
• Isolation Fault (Australia Market Only)
This inverter complies with IEC 62109-2 clause 13.9 for earth fault alarm monitoring. If an Earth Fault
Alarm occurs, the fault code Isolation fault will be displayed on the inverter screen and the RED LED
indicator will light up.
• Reactive Power Regulation for Voltage Variation (Volt-VAr Mode)
Details of how to enable this mode are contained in the “Advanced Configuration Guide”, which can be
accessed at our website at https://www.foxess.com.
• Power Derating for Voltage Variation (Volt-Watt Mode)
Details of how to enable this mode are contained in the “Advanced Configuration Guide”, which can be
accessed at our website at https://www.foxess.com.
6.6 EPS Connection
A. EPS Wiring
EPS mode can be achieved by two different type of wiring methods. One is using the internal bypass to
wire the house emergency loads on the EPS port from inverter. Another is using external contactor to
wire the EPS loads on the contactor self (External contactor need to be purchased separately).
Note: the inverter default is set as “External” EPS wiring mode, it can be set to “Internal” via
display setting “Menu – Setting – Feature – Bypass Relay”.
•Use Internal EPS Wiring:
27
Notes:
1.Under On-grid mode, please ensure that the EPS loads power is lower than the inverter's maximum
Bypass power.
2.Under Off-grid mode, ensure that the EPS loads power is lower than the inverter's maximum EPS
power.
3. We suggest not connect the inductive loads on EPS port.
•Use External EPS Wiring:
Notes：
1.EPS Box (Optional): Used for On-Grid and EPS switching of inverters, improve maximum EPS loads
capacity, maximum bypass current is 60A.
2.When the grid power is off, ensure that the Back-up load power is lower than the inverter's maximum
output power.
B. Common loads description
Under EPS mode, if need to connect the inductive load on EPS port, please ensure that the
instantaneous power of the load at startup is lower than the maximum power of the EPS mode. Below
table shows some conventional and reasonable loads for you reference. Please refer to your loads’
manual for the actual specs.
28
6.7 Inverter Start-Up
Please refer to the following steps to start up the inverter.
1. Ensure the inverter fixed well on the wall.
2. Make sure all the DC wirings and AC wirings are completed.
3. Make sure the CT/meter is connected well.
4. Make sure the battery is connected well.
5. Make sure the external EPS contactor is connected well (if needed).
6. Turn on the PV/DC switch (for hybrid only), AC breaker, EPS breaker and battery breaker.
7. Enter the settings page, default password is 000000 , select START / STOP and set it to start.‘ ’
Note:
• When starting the inverter for the first time, the country code will be set by default to the local
settings. Please check if the country code is correct.
• Set the time on the inverter using the button or by using the APP.
• The internal bypass relay is closed by default, if it needs to be opened, enter the setting page, select
"Internal".
• EPS function is off by default, if it needs to be opened, enter the setting page, select EPS "ON/OFF",
default eps voltage/frequency is 230V and 50Hz.
6.8 Inverter Switch Off
Please refer to the following steps to switch off the inverter.
1. Enter the settings page, select START / STOP and set it to stop.
2. Turn off the PV/DC switch (for hybrid only), AC breaker, EPS breaker and battery breaker.
3. Wait 5 min before you open the upper lid (if in need of repair).
29
7. Firmware Upgrading
User can upgrade inverter's firmware via a U-disk.
• Preparation
Please ensure the inverter is steadily powered on.
Inverter must keep the battery on through whole procedure of upgrading. Please prepare a PC and make
sure the size of U-disk is under 32G, and the format is fat 16 or fat 32.
• Upgrading steps:
Step 1: Please contact our service support to get the update files, and extract it into your U-disk as follow:
update/master/ H1_master_vx.xx.bin
update/slave/ H1_slave_vx.xx.bin
update/manager/ H1_manager_vx.xx.bin
Note: vx.xx is version number.
Warning: Make sure the directory is in accordance with above form strictly! Do not modify the program file
name, or it may cause the inverter not work anymore!
Step 2: Unscrew the waterproof lid and insert U-disk into the "USB" port at the bottom of the inverter.
Step 3: The LCD will show the selection menu. Then press up and down to select the one that you want
to upgrade and press "OK" to confirm to upgrade.
Step 4: After the upgrade is finished, pull out the U-disk. Screw the waterproof lid.
31
8.2 Function Tree
9. Maintenance
This section contains information and procedures for solving possible problems with the Fox inverters
and provides you with troubleshooting tips to identify and solve most problems that can occur.
9.1 Alarm List
Fault Code
Solution
Grid Lost Fault
Grid is lost.
• System will reconnect if the utility is back to normal.
• Or seek help from us, if not go back to normal state.
Grid Volt Fault
Grid voltage out of range.
• System will reconnect if the utility is back to normal.
• Or seek help from us, if not go back to normal state.
32
Grid Freq Fault
Grid frequency out of range.
• System will reconnect if the utility is back to normal.
• Or seek help from us, if not go back to normal state.
10min Volt Fault
The grid voltage is out of range for the last 10 Minutes.
• System will reconnect if the utility is back to normal.
• Or seek help from us, if not go back to normal state.
SW Inv Cur Fault
Output current high detected by software.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
DCI Fault
DC component is out of limit in output current.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
HW Inv Cur Fault
Output current high detected by hardware.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
SW Bus Vol Fault
Bus voltage out of range detected by software.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
Bat Volt Fault
Battery voltage fault.
• Check if the battery input voltage is within the normal range.
• Or seek help from us.
SW Bat Cur Fault
Battery current high detected by software.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
Iso Fault
The isolation is failed.
• Please check if the insulation of electric wires is damaged.
• Wait for a while to check if back to normal.
• Or seek for help from us.
Res Cur Fault
The residual current is high.
• Please check if the insulation of electric wires is damaged.
• Wait for a while to check if back to normal.
• Or seek for help from us.
Pv Volt Fault
PV voltage out of range.
• Please check the output voltage of PV panels.
• Or seek for help from us.
SW Pv Cur Fault
PV input current high detected by software.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
34
Res Cur HW Fault
Residual current detection device is failed.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
Inv EEPROM Fault
The inverter eeprom is fault.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
PvCon Dir Fault
The PV connection is reversed.
• Check if the positive pole and negative pole of PV are correctly connected.
• Or seek help from us.
Bat Relay Open
The battery relay keeps open.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
Bat Relay Short
Circuit
The battery relay keeps close.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
Bat Buck Fault
The battery buck circuit mosfet is fail.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
Bat Boost Fault
The battery boost circuit mosfet is fail.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
Eps Relay Fault
The eps relay is failed.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
BatCon Dir Fault
The battery connection is reversed.
• Check if the positive pole and negative pole of battery are correctly connected.
• Or seek help from us.
Main Relay Open
The grid relay keeps open.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
S1 Close Fault
The grid relay S1 keep close.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
S2 Close Fault
The grid relay S2 keep close.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
35
M1 Close Fault
The grid relay M1 keep close.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
M2 Close Fault
The grid relay M2 keep close.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
GridV Cons Fault
The grid voltage sample value between master and slave is not consistent.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
GridF Cons Fault
The grid frequency sample value between master and slave is not consistent.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
Dci Cons Fault
The dci sample value between master and slave is not consistent.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
Rc Cons Fault
The residual current sample value between master and slave is not consistent.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
RDSP SPI Fault
The communication between master and slave is fail.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
RDSP Smpl Fault
The slave sample detection circuit is failed.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
ARM EEPROM Fault
The manager eeprom is fault.
• Disconnect PV, grid and battery, then reconnect.
• Or seek help from us, if not go back to normal state.
Meter Lost Fault
The communication between meter and Inverter is interrupted.
• Check if the communication cable between meter and Inverter is correctly and
well connected.
BMS Lost
The communication between BMS and Inverter is interrupted.
• Check if the communication cable between BMS and Inverter is correctly and
well connected.
Bms Ext Fault
The communication between BMS and Inverter is interrupted.
• Check if the communication cable between BMS and Inverter is correctly and
well connected.
Bms Int Fault
DIP switch at the wrong position;
The communication between battery packs is interrupted.
• Move the DIP switch to the correct position;
• Check if the communication cable between battery packs is correctly and well
connected.
36
Bms Volt High
Battery over voltage.
• Please contact battery supplier.
Bms Volt Low
Battery under voltage.
• Please contact battery supplier.
Bms ChgCur High
Battery charge over current.
• Please contact battery supplier.
Bms DchgCur High
Battery discharge over current.
• Please contact battery supplier.
Bms Temp High
Battery over temperature.
• Please contact battery supplier.
Bms Temp Low
Battery under temperature.
• Please contact battery supplier.
BmsCellImbalance
The capacities of cells are different.
• Please contact battery supplier.
Bms HW Protect
Battery hardware under protection.
• Please contact battery supplier.
BmsCircuit Fault
Bms hardware circuit fault.
• Please contact battery supplier.
Bms Insul Fault
Battery insulation fault.
• Please contact battery supplier.
BmsVoltsSen Fault
Battery voltage sensor fault.
• Please contact battery supplier.
BmsTempSen Fault
Battery temperature sensor fault.
• Please contact battery supplier.
BmsCurSen Fault
Battery current sensor fault.
• Please contact battery supplier.
Bms Relay Fault
Battery relay fault.
• Please contact battery supplier.
Bms Type Unmatch
The capacity of battery packs is different.
• Please contact battery supplier.
Bms Ver Unmatch
The software between slaves are different.
• Please contact battery supplier.
37
9.2 Troubleshooting and Routine Maintenance
• Troubleshooting
a.
Please check the fault message on the System Control Panel or the fault code on the inverter
information panel. If a message is displayed, record it before doing anything further.
b.
Attempt the solution indicated in table above.
c.
If your inverter information panel is not displaying a fault light, check the following to make sure that
the current state of the installation allows for proper operation of the unit:
(1) Is the inverter located in a clean, dry, adequately ventilated place?
(2) Have the DC input breakers opened?
(3) Are the cables adequately sized?
(4) Are the input and output connections and wiring in good condition?
(5) Are the configurations settings correct for your particular installation?
(6) Are the display panel and the communications cable properly connected and
undamaged?
Contact Fox Customer Service for further assistance. Please be prepared to describe details of your
system installation and provide the model and serial number of the unit.
• Safety check
A safety check should be performed at least every 12 months by a qualified technician who has adequate
training, knowledge and practical experience to perform these tests. The data should be recorded in an
equipment log. If the device is not functioning properly or fails any of the tests, the device has to be
repaired. For safety check details, refer to section 2 of this manual.
• Maintenance checking list
During the process of using the inverter, the responsible person shall examine and maintain the machine
regularly. The required actions are as follows.
-
Check that if the cooling fins at the rear of the inverters are collecting dust/dirt, and the machine
should be cleaned when necessary. This work should be conducted periodically.
-
Check that if the indicators of the inverter are in normal state, check if the display of the inverter is
normal. These checks should be performed at least every 6 months.
-
Check if the input and output wires are damaged or aged. This check should be performed at least
every 6 months.
-
Get the inverter panels cleaned and their security checked at least every 6 months.
Note: Only qualified individuals may perform the following works.
Bms Mfg Unmatch
The cell manufacture is different.
• Please contact battery supplier.
Bms SwHw Unmatch
The slave software and hardware are not match.
• Please contact battery supplier.
Bms M&S Unmatch
The software between Master and Slave are not match.
• Please contact battery supplier.
Bms ChgReq NoAck
No action for charging request.
• Please contact battery supplier.
Produkt Specifikationer
| Mærke: | FOX ESS |
| Kategori: | Solpanel |
| Model: | H1-3.7-E |
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