Hardware and Installation Manual

Transcription

Solar Inverter - HEC & HEC+ Series v2
Outdoor Modular Solar Inverter –HEC & HEC+ Series v2
Edition: June 2014
FSMTHW03DI Rev. D
FREESUN HEC & HEC+ SERIES
POWER ELECTRONICS
About this guide
PURPOSE
This manual contains important instructions for the installation and maintenance of Power Electronics
FREESUN HEC and HEC+ inverters.
INTENDED USERS
This manual is intended for qualified customers who will install, operate and maintain Power
Electronics FREESUN HEC inverters.
Only trained electricians approved by the responsible energy supply company may
install and commission the inverters. The instructions assume that the installer is
familiar with electrical installation rules and regulations.
REFERENCE MANUALS
The following reference guides are available for the Freesun Inverters:


Freesun Programming and Software Manual.
Freesun Hardware and Installation Manual.
POWER ELECTRONICS CONTACT INFORMATION
Power Electronics España, S.L.
St/ Leonardo da Vinci, 24 – 26
Parque Tecnológico
46980 Paterna (Valencia)
SPAIN
Sales: (+34) 96 136 65 57
Fax: (+34) 96 131 82 01
Email: [email protected]
Website: www.power-electronics.com
2
POWER ELECTRONICS
SAFETY SYMBOLS
Always follow safety instructions to prevent accidents and potential hazards from occurring.
WARNINGS IN THIS DOCUMENT
WARNING
CAUTION
The warning symbol indicates conditions or actions that could result in
personal injury or death.
The Caution symbol identifies conditions or actions that could result in
damage to the inverter or equipment. Particular attention should be given
because dangerous voltage may be present. Maintenance operation should
be done by qualified personnel.
SAFETY SYMBOLS
3
POWER ELECTRONICS
Revisions
Date
Revision
Description
21 / 05 / 2012
10 / 04 / 2013
16 / 12 / 2013
A
B
C
27 / 06 / 2014
D
First Edition
Technical characteristics and declaration of conformity updating.
Inverter v0.1 & v0.2. Transport, ventilation, dimensions,
installation and connection.
Inverter v2. Transport, ventilation, dimensions,
Installation, technical characteristics and connection.
The equipment and technical documentation are periodically updated. Power Electronics reserves the right to modify all or part of the
contents of this manual without previous notice. To consult the most updated information of this product you might access through our
website www.power-electronics.com where the latest version of this manual can be downloaded.
4
POWER ELECTRONICS
INDEX
SAFETY INSTRUCTIONS ...........................................................................................................
7
1.
INTRODUCTION ....................................................................................................................
14
2.
CONFIGURATION TABLE & STANDARD RATINGS ..........................................................
2.1 Configuration Table ......................................................................................................
2.2 Standard ratings ...........................................................................................................
15
15
16
3.
TECHNICAL CHARACTERISTICS .......................................................................................
3.1 Freesun HEC technical characteristics.........................................................................
3.2 Operational Diagram ....................................................................................................
3.3 Efficiency curves ..........................................................................................................
17
17
20
21
4.
DIMENSIONS.........................................................................................................................
4.1 HEC Series .................................................................................................................
4.2 HEC+ Series ...............................................................................................................
22
22
23
5.
HANDLING, TRANSPORTATION AND INSTALLATION .....................................................
5.1 Environmental ratings...................................................................................................
5.2 Reception and Storage.................................................................................................
5.3 Handling and Transportation ........................................................................................
5.4 Installations requirements ............................................................................................
5.5 Cooling System ............................................................................................................
5.6 Suggested Foundations ...............................................................................................
5.7 EMC Emissions/Immunity and noise levels ..................................................................
25
25
25
25
26
26
28
30
6.
WIRING ACCESS AND CONNECTIONS ..............................................................................
6.1 Ground connection .......................................................................................................
6.2 DC connection..............................................................................................................
6.3 AC connections ............................................................................................................
6.4 Overvoltage protections ...............................................................................................
6.5 Ground Fault protections ..............................................................................................
6.6 Main Circuit Protections ...............................................................................................
6.7 Auxiliary Power source .................................................................................................
6.8 External Control Connections.......................................................................................
6.9 Control connection .......................................................................................................
31
31
32
35
37
38
38
39
39
39
7.
COMMISSIONING .................................................................................................................
7.1 Initial Conditions ...........................................................................................................
7.2 First Time Switch On ....................................................................................................
7.3 Switch Off .....................................................................................................................
41
41
41
43
8.
PREVENTIVE MAINTENANCE .............................................................................................
44
9.
ACCESSORIES .....................................................................................................................
9.1 Freesun Data Center ...................................................................................................
9.2 Power Control Interface................................................................................................
9.3 String Supervisor SFS16/SFS24/SFS32 ......................................................................
9.4 Disconnecting Unit .......................................................................................................
46
46
46
46
47
DECLARATION OF CONFORMITY CE ......................................................................................
49
INDEX
5
6
INDEX
POWER ELECTRONICS
POWER ELECTRONICS
SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important instructions for FREESUN HEC and HEC+ by Power Electronics that shall
be followed during installation and maintenance of the solar inverter.
IMPORTANT!
Read this manual carefully to maximize the performance of this product and to ensure its safe use and
installation.
In order to properly use the FREESUN inverter, follow all instructions described in the installation manual
referred to transport, installation, electrical connection and commissioning of the equipment.
Power Electronics accepts no responsibility or liability for any and all damage resulting from inappropriate
use of the equipment.
The information contained in the installation guide must be observed when installing the inverter.
WARNING
The Freesun inverter system presents a SHOCK HAZARD. Read and retain the Installation Manual for
future reference. Before installing the Freesun inverter, read all instructions, cautionary markings and other
appropriate sections of this manual. Failure to follow these warnings could result in severe shock or even
death. Exercise extreme caution at all times to prevent possible accidents.
These instructions are not meant to cover every safety situation nor replace any local or site specific safety
procedure. The information in this section is intended as a supplement to local or site specific procedures.
Power Electronics does not assume responsibility for the compliance or noncompliance to any code,
national or local for the proper installation of the Freesun inverter. A potential for personal injury and/or
equipment damage exists if electrical codes and these instructions are not followed.
CAUTION
Adhere to local site regulation.
Perform all electrical work in accordance with local, national and/or international electrical codes.
Use insulate tools to reduce the chance of short-circuits while working with the equipment.
Keep all doors closed during equipment operation.
Always follow proper lockout/tagout procedures.
SAFETY INSTRUCTIONS
7
POWER ELECTRONICS
PERSONAL PROTECTION EQUIPMENT (PPE) REQUIREMENTS
PPE is required for repair and maintenance of a Freesun inverter. PPE includes but is not limited to:







Hard Hat.
Safety Glasses.
100% cotton, long pants (no shorts, no synthetic materials).
Electrical Hazard (EH) rated safety shoes.
Leather work gloves.
FR long sleeve shirt, no synthetic materials.
Ear protection.
OPERATOR SAFETY
CAUTION
The inverter operates at a high voltage (1,000Vdc maximum). Do not touch the DC input terminals
or cables. Touching the DC terminals may result in personal injury or death.
The system has sufficient energy to sustain an arc flash. De-energize the equipment prior to any
maintenance procedure. Always wear Personal Protective Equipment (PPE) while maintain
equipment that is exposed and energized. Always use insulated tools. Always follow proper
lockout/tagout procedures. Operating or maintaining energized equipment without appropriate PPE
and insulated tools and without following proper lockout/tagout procedures may result in personal injury
or death.
WARNING
Do not remove the protective panels except for periodic inspections or wiring, even if the input
power is not applied. Otherwise, you may access the charged circuits and get an electric shock.
Do not open the doors while the inverter is working.
Otherwise, you may get an electric shock.
Do not open the doors when it is raining or when humidity exceeds 95%.
Otherwise, you may get an electric shock and the equipment could be damaged.
Operate the switches with dry hands.
Do not use cables with damaged insulation.
Do not subject the cables to abrasions, excessive stress, heavy loads or pinching.
8
SAFETY INSTRUCTIONS
POWER ELECTRONICS
CAUTION
Install the inverter on a non-flammable surface. Do not place flammable material nearby.
Otherwise, fire could occur.
Disconnect the input power if the solar inverter gets damaged.
Otherwise, it could result in a secondary accident or fire.
After the input power is applied or removed, the inverter will remain hot for a couple of minutes.
Touching internal hot parts may result in skin burns.
Do not apply power to a damaged inverter or to an inverter with parts missing even if the
installation is complete.
Do not allow lint, paper, wood chips, dust, metallic chips or other foreign matter into the inverter.
Otherwise, fire or accident could occur.
CAUTION
SAFETY












Before operating the solar inverter, read this manual thoroughly to gain and understanding of
the unit. If any doubt exists then please contact POWER ELECTRONICS, (+34 96 131 80 01)
or your nearest agent.
Handle the solar inverter with care according to its weight.
Install the inverter according to the instructions within this manual.
Do not place heavy objects on the inverter.
Ensure that the mounting orientation is correct.
Do not drop the inverter or subject it to impact.
The Freesun inverters contain static sensitive printed circuits boards. Use static safety
procedures when handling these boards.
Avoid installing the inverter in conditions that differ from those described in the Technical
Characteristics section.
The cabinet doors must only be opened for commissioning, maintenance and troubleshooting,
as well as for data query and parameter setting.
The device is equipped with several fans for cooling. To perform any work on the fans is
required that the equipment is switched off as explained in the correspondent section. This
procedure should be taken into account for commissioning, maintenance and repair work.
The device fans and the power unit create significant levels of operating noise. In addition to
this, a fault in the device can lead to very high sound levels. We recommend the use of ear
protection when in the vicinity of the device for extended periods.
Immediately after isolating the device, depending on the operating conditions, certain
components can be very hot (e. g. fuses, transformer core, sine wave filter, heatsinks, etc.).
Safety gloves should always be worn when working near components that can be expected to
be very hot. We recommend using safety gloves and glasses during all work on the inverter.
SAFETY INSTRUCTIONS
9
POWER ELECTRONICS
CAUTION
TRIAL RUN


Verify all parameters before operating the inverter.
Always apply voltage and current signals to each terminal that are within levels indicated in this
manual. Otherwise, damage to the inverter may result.
OPERATION PRECAUTIONS

Do not modify or alter anything within the inverter.
SPECIAL HAZARDS OF PHOTOVOLTAIC SYSTEMS
Photovoltaic systems have special characteristics that can represent special hazards:





An active power source is connected. This means that, regardless to the operating mode of the
inverter, there may be voltage present, either from the photovoltaic generator and/or the
FREESUN. This is especially important to consider when disconnecting particular parts of the
system.
Very high DC voltages are present (no zero-crossing) which, in case of a fault or inappropriate
use of fuses or plugs, may lead to arcing.
The short-circuit current of the photovoltaic generator is dependent on the level of solar
irradiation and only slightly more than the maximum operating current.
A highly branched generator array may be difficult to disconnect if a fault develops (e. g. short
circuit). We recommend the extra use of an external DC disconnect and fuses for disconnecting
the inverter. These components are included in the Power electronics optional disconnecting
unit.
Power Electronics must be informed about the grid operator requirements.
The device contains capacitors on the AC and DC sides. The discharge time of the capacitors is 5
minutes. Wait until the capacitors have been discharged before carrying out any maintenance task.
INTEGRATED ELECTRICAL SAFETY FEATURES
Freesun inverters have the following integrated electrical safety features:






10
Software protection controls (See section 3.3 of the Programming and Software manual).
On/Off switch (Reference 1 of the figure 0.1).
DC Disconnect Switch (Reference 3 of the figure 0.1).
AC Circuit breaker (Reference 2 of the figure 0.1).
Anti-islanding protection (See the Programming and Software Manual).
LED/Front panel display when unit is operational.
SAFETY INSTRUCTIONS
POWER ELECTRONICS
SYSTEM REPAIR AND TROUBLESHOOTING
CAUTION
Always follow established Lockout/Tagout procedures. Failure to comply can result in serious injury
or death to personnel.
LOCKOUT / TAGOUT
Lockout/tagout standards establish procedures to protect personnel from hazardous energy sources on
equipment during service and maintenance.
Lockout/tagout disables equipment producing hazardous amounts of electrical energy allowing servicing
and maintenance personnel to safely perform their jobs. Employees must be trained to understand and
follow the hazardous energy control procedures.


Use only lockout/tagout devices authorized for particular equipment.
Lockout/tagout devices must be durable, standardized and substantial.
Lockout/tagout tags must identify authorized users to ensure the procedures are strictly adhered to. In
order to reduce the chance of inadvertent system energization, the individual identified on the
lockout/tagout notices should be the only personnel in possession of keys that can be used to unlock the
lockout devices.
GROUND FAULT WARNING
If your installation has the positive or negative pole of the photovoltaic system earth
connected, the following instructions must be followed:
The only point in the installation where the positive or the negative pole should be
grounded is in the inverter (through the Ground Fault Detector Interrupter -GFDI- that
is added to that effect). It is important to note that if there was another grounded
connection (pole) elsewhere in the installation (in the panels themselves, in the String
Supervisor, etc...) the protection provided by the additional GFDI would NOT be
effective.
Therefore, as part of scheduled maintenance, it is recommended to inspect the insulation between
the grounded pole and the earth. This will prevent the GFDI from providing inappropriate protection
due to uncontrolled ground leakage.
SAFETY INSTRUCTIONS
11
POWER ELECTRONICS
MARKS, SYMBOLS AND CONTROLS ON THE INVERTER
CAUTION
Do not ignore safety warnings.
Failure to follow all safety warnings and caution could result in equipment damage or injury to personnel.
Inverter CAUTION labels are listed in the following table:
TEXT
LOCATION
Utility interactive
Follow Safety Rules! Before Maintenance Actions.
1. Disconnect the inverter totally.
2. Ensure the inverter against accidental re-connection.
3. Verify that the installation is completely disconnected.
4. Carry out earthing and safety protections.
5. Protect against adjacent live part.
WARNING – All mechanical and electrical user screwed connections must be tightened properly before
commissioning the inverter.
CAUTION – Risk Of Electric Shock. Both AC and DC voltage sources are terminated inside this equipment. Each
circuit must be individually disconnected before servicing.
When the photovoltaic array is exposed to light, it supplies a DC voltage to this equipment.
CAUTION – For Proper Circuit Connection. Connect a minimum ______ kVA rated isolating transformer between
the output of the unit and the utility powerline connections. The transformer is to be an isolation type having
separate primary and secondary windings.
CAUTION – Risk of electric shock. Normally grounded conductors may be ungrounded and energized when a
ground-fault is indicated.
Door.
WARNING – Before maintenance actions on the inverter, disconnect external DC inputs and AC outputs safely.
WARNING – Active power source connected. If the device is still connected to an active current source, do not
manipulate or replace any fuse.
CAUTION - Risk of high temperature in fuses and bars.
Use Copper, Copper-Clad Aluminum or Aluminum conductor.
CAUTION – Risk of electric shock from energy stored in capacitor. Stop the inverter feeding into the grid and wait 5
minutes before the AC supply disconnection. Do not remove the cover before the AC and DC disconnection.
The discharge time could reach 30 minutes in abnormal conditions.
The following symbols can be found in the inverter and used in this manual:
DC current
AC current
Grounding electrode terminal
Grounding point inside the inverter
On position
Off position
12
SAFETY INSTRUCTIONS
Front part of each module
and AC module.
Cable connections.
Door.
Rear part of the door.
Front part of each module.
Front part of each module
and AC module.
Cable connections.
POWER ELECTRONICS
The following figure shows the location of the inverter control features:
Figure 0.1 Inverter controls
Note: For inverters with the AC module located in their left side, the previous image is inverted.



Inverter modules switch
(Inverter’s ON/OFF switch)
Main AC circuit breaker
It allows the connection and disconnection of
all the inverter modules.
the AC grid.
Disconnecting unit disconnects
(Integrated in HEC+ Series or optional
in HEC)
the DC grid. The inside components and
distribution must be configured by the user.
The following table represents an example of the name plate located on the inverter:
Model:
FS1015CH10AN
DC INPUT
Max. Input DC Voltage:
Min. Voltage MPP:
Max. Voltage MPP:
Max. Input DC current:
Nominal output voltage:
Frequency:
Nominal Power :
Nominal Output Current:
Ambient Temperature:
IP54
MADE IN SPAIN
1000V
538V
900V
2100A
AC OUTPUT
380V
50Hz
1218kW
1702A
50ºC
SAFETY INSTRUCTIONS
13
POWER ELECTRONICS
1 INTRODUCTION
The latest advance in solar inverter technology based on Automatic Redundant Modular Master-Slave
2 2
System (ARM S ), a new feature that goes one step ahead by automatically bypassing and restarting the
2 2
inverter making production loses a problem of the past. Freesun Series ARM S Technology is made of
140kVA to 150kVA individual module inverters with both AC/DC protections to achieve from 420kVA to
1500kVA nominal power and from 1 to 5 MPPT.
FREESUN accessories fulfil all the solar installations requirements such us power control interface (PCI),
string monitoring (SFS), datalogger, remote inverter monitoring (FSDC), meteorology stations and
additional electric protections.
The Freesun HEC is the outdoor version of the HE series. Designed with high reliable and long-lasting
components that increase safety and efficiency, and reduce the maintenance
STANDARD FEATURES
OPTIONS
Max. Efficiency PAC, nom (η) 98.6%
Multiple and user friendly monitoring solutions.
AC circuit breaker and AC contactor in each module
String supervisor from 0 to 24 independent Channels.
DC contactor and DC fuses in each module
Grid operator control by the Power Control Interface.
High accuracy MPPT over a wide voltage range
Integrated Meteo Stations and video camera.
Engineered for compliance with international grid connection codes.
(BDEW, CEI 0-16, PO12.3, …)
Uninterruptible Power Supply (UPS).
Automatic Redundant Modular Master-Slave System (ARM2S2)
Efficient cooling system with variable speed drive control.
Figure 1.1 General view of the FREESUN HEC+ Series inverter
14
INTRODUCTION
POWER ELECTRONICS
2 CONFIGURATION TABLE & STANDARD
RATINGS
2.1 Configuration Table
EXAMPLE.
CODE:
FS 0100 C H 10 A N 7 N A 20 2
HE SERIES
FS
FREESUN SERIES
0100
Output Power
C
Inverter Location
H
Isolating
Transformer
10
Maximum input
voltage
A
Isolating
monitoring
N
Lightning and
overvoltage
protections
7
Output voltage
N
String Supervisor
supply
A
Heating Resistors
20
Medium Voltage
Output
2
MPPT
Configuration[1]
Other
0080
0100
...
1500
I
O
R
C
P
T
K
H
U
J
06
10
A
N
P
N
V
R
1
7
8
N
F
N
R
A
15
20
22
24
30
33
36
1
2
…
10
I
…
80kVa
100kVa
...
1500kVa
Indoor
Outdoor HES-S (Standard concrete station)
Outdoor HES-R (Reduced concrete station)
Outdoor HEC inverter
Outdoor HEC Inverter w/ integrated DC subsystem
Outdoor HET (ISO container station)
Outdoor Open Skid station
High Efficiency Inverter (HE SERIES)
High Efficiency Inverter (HEC UL SERIES)
High Efficiency Inverter (HEC JP SERIES)
600VDC
1000VDC
Adjustable isolation between (+), (-) and earth
Negative of the photovoltaic installation earth connected
Positive of the photovoltaic installation earth connected
Without overvoltage protection
With AC and DC overvoltage protection
With AC and DC overvoltage protection and lightning protection
360VAC
380VAC
400VAC
Not included
With auxiliary 24VDC power supply for String Supervisor 8 (SFS08)
Not included
With heating resistors
Active Heating
15kV
20kV
22kV
24kV
30kV
33kV
Under request [1]
1MPPT
2MPPT
...
10MPPT
Left side – AC module
Under request
[1] The maximum number of MPPt’s depends on the number of modules implemented in each inverter with a maximum
of one or two MPPt per module. This is an optional kit configured according to the MPPt number and Inverter Serie.
CONFIGURATION TABLE & STANDARD RATINGS
15
POWER ELECTRONICS
2.2 Standard Ratings
INPUT
DC Voltage
Range MPPt
(VDC) [2]
510V-900V
538V-900V
566V-900V
510V-900V
538V-900V
566V-900V
900A
900A
900A
1200A
1200A
1200A
Nominal AC
Output Power
(PAC) [1]
420kVA
435kVA
450kVA
560kVA
580kVA
600kVA
OUTPUT
Operating
Grid Voltage
±10% (VAC)
360V
380V
400V
360V
380V
400V
Nominal AC
Current
(IAC, nom)
722A
729A
736A
962A
972A
981A
510V-900V
538V-900V
566V-900V
510V-900V
538V-900V
1500A
1500A
1500A
1800A
1800A
700kVA
725kVA
750kVA
840kVA
870kVA
360V
380V
400V
360V
380V
1203A
1215A
1227A
1443A
1459A
FRAME
REFERENCE
Max. PV Power
(PPV)
1
FS0420CH฀฀฀1฀฀
FS0435CH฀฀฀7฀฀
FS0450CH฀฀฀8฀฀
FS0560CH฀฀฀1฀฀
FS0580CH฀฀฀7฀฀
FS0601CH฀฀฀8฀฀
FS0700CH฀฀฀1฀฀
FS0725CH฀฀฀7฀฀
FS0751CH฀฀฀8฀฀
FS0840CH฀฀฀1฀฀
FS0870CH฀฀฀7฀฀
504kWp
522kWp
540kWp
672kWp
696kWp
720kWp
840kWp
870kWp
900kWp
1008kWp
1044kWp
FS0901CH฀฀฀8฀฀
1080kWp
566V-900V
1800A
900kVA
400V
1472A
FS0980CH฀฀฀1฀฀
FS1015CH฀฀฀7฀฀
FS1050CH฀฀฀8฀฀
FS1120CH฀฀฀1฀฀
FS1160CH฀฀฀7฀฀
1176kWp
1218kWp
1260kWp
1344kWp
1392kWp
510V-900V
538V-900V
566V-900V
510V-900V
538V-900V
2100A
2100A
2100A
2400A
2400A
980kVA
1015kVA
1050kVA
1120kVA
1160kVA
360V
380V
400V
360V
380V
1684A
1702A
1718A
1925A
1945A
FS1200CH฀฀฀8฀฀
1440kWp
566V-900V
2400A
1200kVA
400V
1963A
FS1260CH฀฀฀1฀฀
FS1305CH฀฀฀7฀฀
FS1350CH฀฀฀8฀฀
FS1400CH฀฀฀1฀฀
FS1450CH฀฀฀7฀฀
1512kWp
1566kWp
1620kWp
1680kWp
1740kWp
510V-900V
538V-900V
566V-900V
510V-900V
538V-900V
2700A
2700A
2700A
3000A
3000A
1260kVA
1305kVA
1350kVA
1400kVA
1450kVA
360V
380V
400V
360V
380V
2165A
2188A
2208A
2406A
2431A
FS1500CH฀฀฀8฀฀
1800kWp
566V-900V
3000A
1500kVA
400V
2454A
2
3
4
510V-900V
420kVA
560kVA
700kVA
840kVA
980kVA
1120kVA
1260kVA
1400kVA
360Vac
MPPt Range (VDC) [2]
538V-900V
435kVA
580kVA
725kVA
870kVA
1015kVA
1160kVA
1305kVA
1450kVA
380Vac
[1] Values at 50ºC, 50Hz
[2] Values at 1.05·Vac nom and cos Φ= 1
16
CONFIGURATION TABLE & STANDARD RATINGS
566V-900V
450kVA
600kVA
750kVA
900kVA
1050kVA
1200kVA
1350kVA
1500kVA
400Vac
Nominal AC Output
Power (kVA)[1]
# Modules
3
4
5
6
7
8
9
10
AC Output Voltage
Max. DC
current (A)
POWER ELECTRONICS
3 TECHNICAL CHARACTERISTICS
3.1 Freesun HEC Technical Characteristics
400VAC - MPPt window 566Vdc-900Vdc
Number of Modules
OUTPUT
MPPt Voltage Window (VDC) [2]
MPPt Window @ full power (VDC) [3]
Maximum DC and Starting voltage
Maximum DC current (A)
FRAME 3 - FS
7
8
FRAME 4 - FS
9
10
FS0450_H
FS0601_H
FS0751_H
FS0901_H
FS1050_H
FS1200_H
FS1350_H
FS1500_H
450
510
736
600
680
981
750
850
1227
900
1020
1472
1050
1190
1718
1200
1360
1963
1350
1530
2208
1500
1700
2454
400Vac
50Hz – 60Hz
< 3% at nominal power
0.00 leading … 0.00 lagging adjustable / Reactive Power injection at night
0…100%/0.1% steps
900A
Max. Efficiency PAC, nom (η)
Euroeta (η)
Max. Standby Consumption (Pnight)
1200A
1500A
566V-900V
580V-820V
1000V
1800A
2100A
2400A
2700A
CABINET
ENVIRONMENT
1380W
98.6%
98.6%
98.6%
98.3%
98.4%
98.4%
< approx. 40W per module
10 kVA Built-in Internal transformer as standard
220VAC-5kVA user power supply available
Optional 400V – 700VAh Internal UPS (LVRT compatible units are equipped as standard)
1840W
2300W
2760W
3220W
3680W
4140W
4600W
Dimensions [WxHxD] [4] mm
Weight (kg) [5]
Air Flow
Type of ventilation
Degree of protection
Permissible Ambient Temperature
Relative Humidity
Max. Altitude (above sea level)
Noise level [6]
IP54
-20ºC …+50ºC
4% to 100% Condensing
1000m; >1000m power derating 1% Sn (kVA) per 100m
< 70 dBA
Interface
Communication
Analogue Inputs
String Supervisor Communication
Plant Controller Communication
Digital Outputs
Alphanumeric Display / Optional Freesun App display or Web display
RS232 / RS485 / USB / Ethernet (Modbus RTU Protocol, Modbus TCP/IP)
1 programmable and differential input; (0-20mA or ± 10mV to ± 10V) and PT100
RS485 / Modbus RTU
Ethernet / Modbus TCP/IP
2 electrically-isolated programmable switched relays (250VAC, 8A or 30 VDC, 8A)
PROTECTIONS
Ground Fault Protection
Humidity control
Emergency Stop
General AC Protection & Disconn.
General DC Protection & Disconn.
Module AC Protection & Disconn.
Module DC Protection & Disconn.
Overvoltage Protection
Protection class
Lightning Protections
3000A
98.6%
98.2%
Control Power Supply
UPS backup system
Avg. Power Consumption
FRAME 2 - FS
5
6
CONTROL
INTERFACE
EFFICIENCY &
AUXILIARY
SUPPLY
AC Output Power (kVA) @ 50ºC
Rated AC Output Current (A) @ 40ºC
Operating Grid Voltage(VAC)
Operating Range, Grid Frequency
Current Harmonic Distortion (THDi)
Power Factor (cosine phi) [1]
Power Curtailment (kVA)
INPUT
REFERENCE
FRAME 1 - FS
3
4
2900 x 1050 x 2400
2470
2780
3900 x 1050 x 2400
4900 x 1050 x 2400
3540
3850
4590
4900
Intake through lower part blown out through upper side
Forced air cooling
5900 x 1050 x 2400
5640
5950
Floating PV array: Isolation Monitoring per MPP
Grounded PV array (Positive pole and negative pole): GFDI protection per MPP
Active Heating / Optional Heating Resistors
Optional
Circuit Breaker / Optional AC switch and fuses
Optional External Disconnecting Unit Cabinet
(DC fuse protection and no load disconnect with external operating handle)
AC circuit breaker & contactor
DC contactor & DC fuses
AC and DC Inverter sides (Type 4) and Auxiliary Supply type 2 - Internal Standard
Class I
Optional (Integrated in the inverter)
[1] Consult P-Q charts available: Q(kVAr)=√(S(kVA)²-P(kW)²).
[2] Values at 1.00·Vac nom and cos Φ= 1. Consult Power Electronics for derating curves.
[3] Values at 1.00·Vac nom, cos Φ= 1 and Tamb=40ºC.
[4] Units with integrated DU subsystem (HEC+) will increase 1000mm in width.
[5] Preliminary, consult Power Electronics.
[6] Sound pressure level at a distance of 1m from the rear part.
TECHNICAL CHARACTERISTICS
17
POWER ELECTRONICS
Number of Modules
OUTPUT
FRAME 3 - FS
7
8
FRAME 4 - FS
9
10
FS0435_H
FS0580_H
FS0725_H
FS0870_H
FS1015_H
FS1160_H
FS1305_H
FS1450_H
435
480
729
580
640
972
725
800
1215
870
960
1459
1015
1120
1702
1160
1280
1945
1305
1440
2188
1450
1600
2431
380Vac
50Hz – 60Hz
0…100%/0.1% steps
900A
Euroeta (η)
1200A
1500A
538V-900V
544V-820V
1000V
1800A
2100A
2400A
2700A
CABINET
ENVIRONMENT
1380W
98.6%
98.6%
98.6%
98.3%
98.4%
98.4%
1840W
2300W
2760W
3220W
3680W
4140W
4600W
Dimensions [WxHxD] [4] mm
Weight (kg) [5]
Air Flow
Type of ventilation
Relative Humidity
Noise level [6]
IP54
-20ºC …+50ºC
< 70 dBA
Interface
Communication
Analogue Inputs
Digital Outputs
RS485 / Modbus RTU
2900 x 1050 x 2400
2470
2780
PROTECTIONS
Humidity control
Emergency Stop
Protection class
3900 x 1050 x 2400
4900 x 1050 x 2400
3540
3850
4590
4900
Forced air cooling
5900 x 1050 x 2400
5640
5950
Optional
Class I
18
3000A
98.6%
98.2%
UPS backup system
FRAME 2 - FS
5
6
CONTROL
INTERFACE
EFFICIENCY &
AUXILIARY SUPPLY
INPUT
REFERENCE
FRAME 1 - FS
3
4
POWER ELECTRONICS
FRAME 1 - FS
3
4
Number of Modules
OUTPUT
FS0560_H
FS0702_H
FS0840_H
FS0980_H
FS1120_H
FS1260_H
FS1400_H
420
450
722
560
600
962
700
750
1203
840
900
1443
980
1050
1684
1120
1200
1925
1260
1350
2165
1400
1500
2406
360Vac
50Hz – 60Hz
0…100%/0.1% steps
900A
1200A
1500A
510V-900V
510V-820V
1000V
1800A
2100A
2400A
2700A
CABINET
ENVIRONMENT
1380W
98.6%
98.6%
98.6%
98.3%
98.4%
98.4%
1840W
2300W
2760W
3220W
3680W
4140W
4600W
Dimensions [WxHxD]
Weight (kg) [5]
Air Flow
Type of ventilation
Relative Humidity
Noise level [6]
IP54
-20ºC …+50ºC
< 70 dBA
Interface
Communication
Analogue Inputs
Digital Outputs
RS485 / Modbus RTU
[4]
PROTECTIONS
Humidity control
Emergency Stop
Protection class
3000A
98.6%
98.2%
mm
FRAME 4 - FS
9
10
FS0420_H
Euroeta (η)
UPS backup system
FRAME 3 - FS
7
8
CONTROL
INTERFACE
EFFICIENCY &
AUXILIARY SUPPLY
INPUT
REFERENCE
FRAME 2 - FS
5
6
2900 x 1050 x 2400
2470
2780
3900 x 1050 x 2400
4900 x 1050 x 2400
4590
4900
3540
3850
Forced air cooling
5900 x 1050 x 2400
5640
5950
Optional
Class I
19
REGULATIONS
CE conformity
EMC
Safety
International Standards
Grid Connection
Germany
Spain
Italy
France
Romania
United Kingdom
Israel
Puerto Rico
South Africa
Mexico
Hawaii
Other countries and regulations
POWER ELECTRONICS
FREESUN HE & HEC SERIES
LVD Directive 2006/95/CE; EMC Directive 2004/108/CE
EN 61000-6-2,-4; EN 61000-3-4
EN 62109-1,-2 (certified by SGS)
IEC 62109-1; IEC 62109-2; IEC 62116 (Anti Islanding)
BDEW MV Guideline
RD 1699/2011, P.O. 12.3
CEI 0-16 [7]
Arrêté du 23/04/08
ANRE Interconnection Code
G59/2 [8]
IEC (Israel Electrical Company) listed
PREPA Technical Requirements
RSA Renewable Grid Code
General requirements for National Electric System connection
Heco Technical requirements
Consult Power Electronics
[7] For the entire fulfilment of regulation CEI 0-16 it is required to add the following external protection devices approved by ENEL, side:

General Protection Device (according to DK 5600)

Interface Protection Device (according to DK 5740)
The customer is responsible of both the correct selection and installation of these devices.
[8] For the entire fulfilment of regulation G59 it is required to add external hardware that is not PE scope of supply. The client is responsible of both the correct selection and
installation.
3.2 Operational Diagram
Figure 3.1 Operational Diagram HEC Series
20
POWER ELECTRONICS
3.3 Efficiency curves
The HEC Series through the parallel connection of inverter modules and fully integrated software provides a modularity
that increases the efficiency at low capacity. The following charts show the effect of the parallel connection of the
inverters in comparison with the unitary module at a nominal DC voltage of 550 Vdc.1
Figure 3.2 Efficiency Curve from 1 to 10 100kW modules.
1
For different configuration, please consult Power Electronics.
21
POWER ELECTRONICS
4 DIMENSIONS
The inverter is a heavy cabinet unit, therefore select the transport method adequately, follow
the transport recommendations of this manual and ensure the compliance with the safety
regional regulations.
Danger of tipping during transport. The cabinet must always be transported upright.
4.1 HEC Series
The dimensions and weight of the HEC Series inverters are defined in the following table:
INVERTER
FRAMES
1
2
3
4
DIMENSIONS in mm
WIDTH
DEPTH
HEIGHT
(W)
(D)
(H)
REFERENCE
FS0420CH฀฀฀1฀฀, FS0435CH฀฀฀7฀฀,
FS0450CH฀฀฀8฀฀
FS0560CH฀฀฀1฀฀, FS0580CH฀฀฀7฀฀,
FS0601CH฀฀฀8฀฀
FS0700CH฀฀฀1฀฀, FS0725CH฀฀฀7฀฀,
FS0751CH฀฀฀8฀฀
FS0840CH฀฀฀1฀฀, FS0870CH฀฀฀7฀฀,
FS0901CH฀฀฀8฀฀
FS0980CH฀฀฀1฀฀, FS1015CH฀฀฀7฀฀,
FS1050CH฀฀฀8฀฀
FS1120CH฀฀฀1฀฀, FS1160CH฀฀฀7฀฀,
FS1200CH฀฀฀8฀฀
FS1260CH฀฀฀1฀฀, FS1305CH฀฀฀7฀฀,
FS1350CH฀฀฀8฀฀
FS1400CH฀฀฀1฀฀, FS1450CH฀฀฀7฀฀,
FS1500CH฀฀฀8฀฀
WEIGHT
(kg)
2470
2900
1050
2400
2780
3540
3900
1050
2400
3850
4590
4900
1050
2400
4900
5640
5900
1050
2400
Figure 4.1 HEC Frame 4
22
DIMENSIONS
5950
POWER ELECTRONICS
4.2 HEC+ Series
The HEC+ series has the input cabinet integrated in the left side of the inverter. The dimensions and
weight are defined in the following table:
INVERTER
FRAMES
1
2
3
DIMENSIONS in mm
WIDTH
DEPTH
HEIGHT
(W)
(D)
(H)
REFERENCE
FS0420PH฀฀฀1฀฀, FS0435PH฀฀฀7฀฀,
FS0450PH฀฀฀8฀฀
FS0560PH฀฀฀1฀฀, FS0580PH฀฀฀7฀฀,
FS0601PH฀฀฀8฀฀
FS0700PH฀฀฀1฀฀, FS0725PH฀฀฀7฀฀,
FS0751PH฀฀฀8฀฀
FS0840PH฀฀฀1฀฀, FS0870PH฀฀฀7฀฀,
FS0901PH฀฀฀8฀฀
FS0980PH฀฀฀1฀฀, FS1015PH฀฀฀7฀฀,
FS1050PH฀฀฀8฀฀
FS1120PH฀฀฀1฀฀, FS1160PH฀฀฀7฀฀,
FS1200PH฀฀฀8฀฀
WEIGHT
(kg)
3540
3900
1050
2400
3850
4590
4900
1050
2400
4900
5640
5900
1050
2400
5950
Figure 4.2 HEC+ Frame 3
DIMENSIONS
23
POWER ELECTRONICS
5 HANDLING, TRANSPORTATION AND
INSTALLATION
Read carefully the following installations and system commissioning instructions for a correct mechanical
and electrical installation. The inverter must be installed in a dedicated area for qualified personal only.
5.1 Environmental ratings
Following IEC62109-1 requirements the Freesun HEC Inverter environmental ratings are:










Environmental category:
Wet locations:
Pollution degree:
Ingress protection rating:
Ambient temperature:
Humidity:
Maximum altitude and power derating:
Overvoltage category:
Protection class:
Ultraviolet protection:
Outdoor
Yes
PD3
IP54
-20ºC to 50ºC
4 % to 100 % (Condensing)
Defined in Technical Specification sheet.
AC side type IV
DC side type IV
Class 1
Yes
5.2 Reception and Storage
The Freesun Inverters are carefully tested and perfectly packed before delivering. In the event of
transport damage, please ensure that you notify the transport agency and Power Electronics: 902 40 20
70 (International +34 96 136 65 57) or your nearest agent, within 24hrs from receipt of the goods.
Make sure model and serial number of the Inverter are the same on the delivery note and unit.
The storage of the inverter should be sun and moisture protected and with an ambient temperature
between -20°C and +50°C.
5.3 Handling and Transportation
Only the transport methods described in the Hardware and Installation manual are permissible. Please
follow the transport requirements here described. Any other transport method or system could damage
the unit.
The inverter has been designed to crane transportation. Power Electronics provides eight metal plates
with lifting eyebolts in this regard. Make sure the lifting capacity of all the equipment is higher than the
inverter’s weight.
A crane is required for the onsite unloading of the inverter. It is the customer’s responsibility to ensure
unimpeded access to the final place or location, taking into account the movement and handling of these
vehicles in the field where the unloading is going to take place.
A foundation must be made to the inverter prior to its delivery as described in the foundation section.
Additionally the crane should fulfil the following requirements.



24
The crane must be independent from the truck.
The crane must be equipped with two four-point chains.
The crane and the transport items must have a greater load capacity than the inverter weight.
HANDLING, TRANSPORTATION AND INSTALLATION
POWER ELECTRONICS
The following scheme illustrates the transport recommendations.
Figure 5.1 Crane transport recommendations [mm]
During transportation it is mandatory to manipulate it carefully and as close to the floor as possible.
CAUTION
If the maximum tonnage of cranes cannot meet the requirement (refer to section 4), it could cause
damage to the equipment and lead to injury to people.
Avoid brusque movements and shocks during lifting. Pause before lowering it to the floor and
then slowly lower it on the floor to avoid any shock. Otherwise, the equipment can be damaged.
Once the inverter is placed on the foundations, the installer must secure the inverter to the concrete or
metal structure using M14 hot dip galvanized bolts of at least 10.9 quality, applying a torque of 100Nm.
There is an L shape in each point of support that fixes the inverter to the floor. User must use a bolt per
point of support.
Figure 5.2 Floor fixation
25
POWER ELECTRONICS
5.4 Installation requirements
The inverter has been designed with an isolated cabinet that ensure the optimum outdoor performance
under the ambient conditions specified. Nevertheless it is recommended for locations with an ambient
temperature higher than 40ºC and an incident radiation higher than 1100 W/m2 to orient the inverter
facing north.
For an adequate inspection and cooling capacity the following minimum distance should be considered.
Figure 5.3 Inverter clearances
5.5 Cooling System
The inverter has an independent IGBT variable speed cooling system 2. The air enters through the inlet
hood located in the bottom part and exits through the outlet hood placed at the top part of the inverter
thanks to the cabinets’ fans.
Figure 5.4 Cooling system
2
26
Check software and programming manual to configure the cooling system.
POWER ELECTRONICS
Each internal module of the inverter requires 1400m³/h of fresh air. For example, an inverter with 4
modules requires 5600m³/h). Check the technical characteristics of the selected inverter to determine the
number of modules.
If the inverter is installed in a metal or concrete cabinet, ensure that the enclosure is equipped with
adequate exhaust air vents and inlet dampers. The HVA system must be designed to ensure the ambient
ratings of the inverters with sufficient capacity to dissipate the internal heat generated.
The inverter module electronics and the AC module are cooled through a cooling system installed in each
electronics compartment that moves the fresh and clean air from the bottom, through the dust filters and
fans, to the top dust filters and exhaust fans. Each fan presents a cooling capacity of 75m³/h.
The dust filters located in the inlet and outlet grating of the cabinet must be cleaned or replaced as part of
the regularly scheduled maintenance. The frequency of maintenance should be according to the
environmental site conditions.
To replace the inlet and outlet filters, follow the next steps:






Unscrew the three bolts that fix the grating to the electronics module.
Unscrew the two bolts that fix both parts of the grating.
Remove and clean/replace the filter.
Place again the filter.
Screw again the grating parts.
Screw again the grating to the electronics module.
Figure 5.5 Filter clean/replacement
Maintain clearance distances around the inverter to ensure adequate cooling capacity for the inverter.
Install the inverter in such way that it is not possible for intake and exhaust air from the inverter to be
drawn into the air intake and exhaust of other devices (e.g., the transformer or other inverter).
27
POWER ELECTRONICS
5.6 Suggested Foundations
The foundation must guarantee a solid, plain and leveled surface to the inverter, a minimum working
space around it and a smoothly AC and DC cable access. The foundations should provide at least the
following specifications.


The foundation and soil should stand at least the inverter weight.
In the event of installing the inverter in a concrete foundation, the concrete surface should be
honed to ensure a correct positioning of the inverter.
The surface should avoid water pools and favor rain water evacuation with a slope below 1%.
The foundations must guarantee enough space for maintenance equipment and personnel.
The foundations must have a 150mm step.



The cables must be routed smoothly into the inverter from below, where the DC and AC busbars are
allocated. The input and output dimensions are described in point “6. Wiring access and connections”.
To ensure neither animals, insects, dust nor moisture could enter through the canalization, it is
recommended to fill the canalization with polyurethane foam.
5.6.1 Concrete Foundations
The following figure corresponds with HEC+ and 1 MPPt HEC inverters.
LETTER
Distance
mm
INVERTER
HEC+
HEC with 1
MPPt
B
2900
C
500
FRAME
A - DIMENSIONS (mm)
3
2
1
4
3
2
1
6900
5900
4900
6900
5900
4900
3900
D
1100
E
1400
F
1000
FOOTINGS
Nº
DIMENSIONS
LOAD (kg)
1&7
2 to 6
890 x 150
890 x 120
850
850
Figure 5.6 HEC+ and 1 MPPt HEC foundations [mm]
28
G
1300
POWER ELECTRONICS
The following figure corresponds with HEC inverters with more than 1 MPPt.
LETTER
Distance
mm
B
2265
C
1095
D
485
E
790
INVERTER
FRAME
A - DIMENSIONS (mm)
HEC with
more than 1
MPPt
4
3
2
1
6900
5900
4900
3900
F
500
G
1585
H
1260
I
395
J
700
K
985
L
1100
FOOTINGS
Nº
DIMENSIONS
LOAD (kg)
1&6
2 to 5
890 x 150
890 x 120
850
850
Figure 5.7 HEC with more than 1 MPPt foundations [mm]
5.6.2 Deep Foundations
A deep foundation is useful for installations whose slab surface foundation is not technically or
economically viable.
For this type of foundation, the installer may use piles joined by structural elements. Both piles
and platform must be hot dip galvanized according to the ISO 1461:2009 standard.
For a correct selection of the piles, it is necessary to determine the geographical situation and to
make a geotechnical study of the area. Piles may be metallic, “H” beams preferably and in a
single tranche. The selection of piles geometry, disposition, number and treatment will be relied to
the terrain characteristics. It is not possible to determine them without realizing the previously
mentioned studies. In any case, this design should follow section C5 (Deep Foundations) of the
Structural Safety Basic Document.
The procedure to place the driven piles consists in the terrain displacement without the need to
excavate by driving or percussions with mallet taps. Driving deep must be higher than 8 times the
selected profile equivalent diameter. The piles should protrude around 260mm.
Figure 5.8 Piles location [mm]
Driven piles will be braced with metallic profiles by flanged connection to the platform.
Above the platform may be installed a metal grill.
29
POWER ELECTRONICS
For a correct selection of the platform, it is necessary to determine the geographical situation and
to make a geotechnical study of the area. The selection of the platform geometry and treatment
will be relied to the terrain characteristics. It is not possible to determine them without realizing the
previously mentioned studies. In any case, this design should follow section C5 (Deep
foundations) of the Basic Document of Structural Safety.
Figure 5.9 Metal grill location
Between the terrain and the platform, installer can apply a granular material layer, preferably with
continuous grain size.
Figure 5.10 Deep foundation example
Note: The previous image is an example that includes the MV transformer and the optional
Disconnecting Unit. The number of piles is relied to the terrain characteristics. In some cases, it is
not necessary to provide one pile per inverter’s support.
The cables must be routed smoothly into the inverter from below, where the DC and AC busbars
are allocated.
To ensure neither animals, insects, dust nor moisture could enter through the canalization, it is
recommended to fill the canalization with polyurethane foam.
5.7 EMC Emissions/Immunity and Noise Levels
The inverter HEC is compliance with EN 61000-6-2,-4; EN 61000-3-4 that defines EMC emissions and
immunity levels.
Inverter series have been designed to be installed in an industrial environment with a noise level below
79dBA3 at a distance of 1m from the rear part. Noise attenuation occurs as distance from the source
increases.
3
It is possible to reduce the sound level reducing the fan speed, only when the inverter is operating with lower ambient
conditions. For additional information consult Software and Programming manual.
30
POWER ELECTRONICS
6 WIRING ACCESS AND CONNECTIONS
All the cable access to the Freesun HEC should be done with appropriate connection grommets or cable
glands that ensure the degree of protection of the inverter. Otherwise moisture or dust could penetrate to
the equipment, reducing its lifetime.
The installation is designed floating earth as standard. If the photovoltaic field
installation is designed with a pole either positive or negative connected to ground,
the pole ground connection will be done within the inverter. In this case, consult
Power Electronics.
Do not connect to ground any other equipment (Eg. Photovoltaic panels, String
Supervisor, neutral terminal of the inverter, etc...). Otherwise the overcurrent
protection provided by the circuit breaker would not be effective.
6.1 Ground connection
Before connecting the AC and DC power connection, be sure that the chassis of the inverter is connected
to ground through the dedicated terminals. These terminals are located in the right side and in the left
side of the inverter; all of them labelled with the appropriate ground connection symbol.
For the safety reasons it is determinant the grounding resistance of the plant
itself. The latter must be established before the first start up of the Plant.
CAUTION
It is responsibility of the installer, to provide the dimensioning of the grounding
conductor alongside with the characteristics of the inverter used and of the
PV plant in order to minimize the grounding resistance.
When connecting the earth, ensure that all connected cables are securely
tight and protected from mechanical forces. The tightening torque in case of
M8 PE terminals with embedded nut is 11Nm.
The following picture shows the PE connection of the inverter:
LETTER
Distance
mm
A
365
B
100
C
90
D
180
E
390
Figure 6.1 PE connection in the inverter [mm]
WIRING ACCESS AND CONNECTIONS
31
POWER ELECTRONICS
6.2 DC connections
An active power source is connected. This means that, regardless to the operating
mode of the inverter, there may be voltage present, either from the photovoltaic
generator and/or the FREESUN. This is especially important to consider when
disconnecting particular parts of the system. The optional Disconnecting Unit offers the
possibility to isolate all the inverter from the DC voltage.
For safety reasons it is determinant to have a minimum total resistance value of R >
Vmaxdc/30mA=33.33kΩ in the DC side. As standard the isolation monitoring system is
set at 20kΩ, this value should de adjusted following the previous equation to
compliance with IEC 62109-2.
The DC cables will be introduced trough the metallic panel situated in the bottom part of the inverter. As
said before, each cable must be equipped with its own cable gland or grommet that prevent for dust or
moisture penetration.
6.2.1 DC connection for HEC Inverters
The metallic panel measures for cable access are:
Figure 6.2 HEC DC cables access
The removable panels are delivered NOT pre-drilled or pre-marked. The installer is responsible to
install the proper knockouts and water tight fittings in the glad plates.
Use only the bottom removable panel to route the DC cables.
The input configuration and the fuses value must be selected according to the PV
installation characteristics and meet all code requirements. It is responsibility of
the installer to select the proper overcurrent values.
32
POWER ELECTRONICS
The next figure illustrates the DC connection of the inverter.
Figure 6.3 DC input connection
The DC busbars are aluminum. The connections should be done as the following
recommendations.
 Before connecting the cables, clean the contact surfaces with a clean cloth
and ethanol cleaner.
 It is recommended to use Ø13 copper, aluminum or copper-clad aluminum
terminal lugs.
 Use M12 bolts and nuts, and apply a torque of 35Nm.
 Use a spring washer and a fender washer between the nuts or bolts head
and the busbar or terminal lug.
 Use copper, aluminum or copper-clad aluminum 90°C min cables with a
minimum rated voltage of 1000V.
The voltage on each of the main DC cables should be identical and the PV
generator must never exceed the maximum permissible inverter input voltage of
1000Vdc. Otherwise the inverter could be damaged when connected.
33
POWER ELECTRONICS
6.2.2 DC connection for HEC+ Inverters
The metallic panel measures for cable access are:
LETTER
Distance
mm
A
720
B
100
C
200
D
750
Figure 6.4 HEC+ DC cables access
The removable panels are delivered NOT pre-drilled or pre-marked. The installer is responsible to
install the proper knockouts and water tight fittings in the glad plates.
Use only the bottom removable panel to route the DC cables.
The input configuration and the fuses value must be selected according to the PV
installation characteristics and meet all code requirements. It is responsibility of
the installer to select the proper overcurrent values.
The next figure illustrates the DC connection of the inverter.
Figure 6.5 DC input connection in the Disconnecting Unit module [mm]
34
POWER ELECTRONICS
The DC busbars are aluminum. The connections should be made based on the
following recommendations.
 The maximum number of cables per fuse holder is two, one per side.
 Before connecting the cables, clean the contact surfaces with a clean cloth
and ethanol cleaner.
terminal lugs.
 Use a spring washer and a fender washer between the nuts or bolts head and
the busbar or terminal lug.
 Use copper, aluminum or copper-clad aluminum 90°C min cables with a
minimum rated voltage of 1000V.
The voltage on each of the main DC cables should be identical and the PV
generator must never exceed the maximum permissible inverter input voltage of
1000Vdc. Otherwise the inverter could be damaged when connected.
6.3 AC Connection
The main AC circuit inside the inverter is configured to connect a Dy11
transformer. For proper operation, do not connect the transformer neutral (Xo) to
ground.
High voltages may be present in the voltage-carrying components of the lowvoltage and medium-voltage grids. The installer is responsible to work under the
all locally applicable safety regulations and procedures for low-voltage and
medium-voltage operation.
• Ensure that the AC module circuit breakers are disconnected and safely
locked-out/tagged out.
• Disconnect the inverter from the DC sub-combiners.
• Ensure that system is deenergized prior to making connections.
The AC cables will be routed through the metallic panels situated in the bottom part of the AC module
cabinet. All the AC cables must be equipped with a cable gland or grommet that prevents for dust or
moisture inclusion.
LETTER
A
B
C
D
DISTANCE
(mm)
460
225
110
340
Figure 6.6 AC module cabinet cables access
The cable length between the AC termination points must not exceed a maximum of 15m and the cables
must be the same type to avoid unexpected operation.
The cables for the three phase AC connection must have sufficient ampacity to prevent overheating and
voltage drops. AC cables must meet all applicable local codes. Only the use of copper, aluminum or
copper clad aluminum cables is permitted.
35
POWER ELECTRONICS
The AC busbars are aluminum. The connections should be done as the following
recommendations.
 Before connecting the cables, clean the contact surfaces with a clean cloth and
ethanol cleaner.
terminal lugs.
 Use a spring washer and a fender washer between the nuts or bolts head and the
busbar or terminal lug.
 Use copper, aluminum or copper-clad aluminum 90°C min cables with a minimum
rated voltage of 1000V.
Use only the bottom removable panel to route the AC cables.
Figure 6.7 AC output connection busbars [mm]
36
POWER ELECTRONICS
The AC voltage from the inverter is configurable (360Vac, 380Vac or 400Vac) depending on the
maximum output power and the MPPt voltage range. The installer is responsible for the selection of a
power transformer considering the local regulations and the following recommendations:





Recommended transformer configuration is Dy11.
Input Voltage according to the rated output voltage of the inverter.
Output voltage according to the connection point at the medium voltage side.
Transformer Rated Power according to the delivered rated output power of the inverter.
Environmental ratings according to installation requirements.
The maximum number of cables that can be connected to the AC module busbars is 12 cables per
phase.
6.4 Overvoltage protections
The Freesun HEC and HEC+ series inverters, as shown in the functional diagram, are equipped with
internal AC and DC overvoltage protection. Optionally, the inverter can also be equipped with lightning
protection.
The AC main circuit overvoltage protection is equipped as standard with three surge suppression
fuses (refer to figure 7.1 for location in the inverter). The main characteristics are shown in the following
tables:
AC OVERVOLTAGE
PROTECTION
SURGE SUPPRESSION
FUSES
Nominal Voltage
(Un)
Voltage
Protection
Level (Up)
Nominal
Discharge
Current
8/20 µsec
(In)
1000Vac
4.2kV
15kA
Type
Voltage
Rating (Vac)
8/20 µsec
Surge Rating
VSP
Size: 10x38mm
600V
15kA
The DC overvoltage protection is installed in the inverter. The DC surge suppression is built-in
removable modules that include a fault indication window. The DC surge suppression modules can be
replaced using the top and bottom pushbuttons as it is shown in the following figure.
Figure 6.8 DC overvoltage protection
37
POWER ELECTRONICS
The main characteristics of the modules are shown in the following table:
Nominal Voltage
(Un)
Voltage
Protection
Level (Up)
8/20 µsec
Surge Rating
1000Vdc
4kV
40kA
DC OVERVOLTAGE
PROTECTION
Furthermore, auxiliaries include an overvoltage protection. The main characteristics of the auxiliaries’
overvoltage protection are shown in the following table:
Nominal Voltage
(Un)
Voltage
Protection
Level (Up)
8/20 µsec
Surge Rating
275Vac
1.5kV
12.5kA
AUXILIARIES
OVERVOLTAGE
PROTECTION
6.5 Ground Fault protections
For ungrounded PV installations, the inverter is equipped with an insulation monitor as standard. This
detector monitors the insulation resistance of the array to ground, providing early indication of faults
before leakage current may even be present. If the inverter is configured with two or more MPPt, the DC
overvoltage and insulation monitor protection will be replicated in each MPPt. For more information,
consult Power Electronics. The main features of the insulation monitor are shown in the next table:
Rated Voltage
(V)
Set response
value
1000Vdc
20kΩ
INSULATION MONITOR
For grounded PV installations, the inverter is equipped with a GFDI as standard. Do not connect to
ground any other equipment (Eg. Photovoltaic panels, String Supervisor, neutral terminal of the inverter,
etc...). Otherwise, the 5A overcurrent protection provided by the GFDI would not be effective. In
grounded PV installations the inverter can only be configured with one MPPt.
6.6 Main circuit protections
HEC and HEC+ inverters include AC mains circuit software and hardware protections. For more
information about software protections consult the Programming and software manual.
Each inverter includes a circuit breaker in the AC side. The circuit breaker rating is described in the
following table:
Rated Current
(A)
Breaking
Capacity
(kA)
3200A
85kA
AC MODULE CIRCUIT
BREAKER
Each inverter module includes a circuit breaker in the AC side. The circuit breaker rating is described in
the following table:
Rated Current
(A)
Breaking
Capacity
(kA)
300A
65kA
MODULES AC CIRCUIT
BREAKER
Each inverter module includes two DC fuses in their DC input. The main characteristics are shown in the
following table.
MODULE DC FUSES
38
Type
Rated Current
(A)
Breaking
Capacity (kA)
Screw to blade
SPFJ400
Size: Class J
400A
10kA
POWER ELECTRONICS
Each inverter module includes four DC measure protection fuses (located in the figure 7.1 number 8).
Two for panels DC voltage measure and two for DC bus voltage measure. The main characteristics are
shown in the following table.
DC MEASURE
PROTECTION FUSES
Type
Rated Current
(A)
Minimum
Breaking
Capacity (kA)
Solar Fuses
Size: 10x38mm
1A
20kAdc
6.7 Auxiliary Power Source
The HEC and HEC+ inverters have as standard an internal power transformer (situated in the AC
module), that provides 3x400Vac 50/60Hz internal power supply for control and ventilation circuit. The
internal supply is not available for customer equipment.
Power Electronics inverters also have 3x400Vac 50/60Hz supply for external loads which provide up to
5kVA to an external system (Lighting, String supervisors, MeteoStation and others).
6.8 External Control Connections
It is possible to command the inverter prepared for external power supply. In this case, the installer
should route the cables together through the wiring conduit, then route the cables as close as possible to
the right side chassis to reduce the internal interference emission. Finally, drill the bottom panel of the AC
module and protect it only with cable glands or grommets. For more information, consult Power
Electronics.
6.9 Control connection
These sections include general information and recommendations about inverter wiring communication.
For further information about accessories connection ( Power Control Interface, String Supervisor, Ripple
control receiver, Freesun Data Center, Meteo Stations, ...), please consult its own user manual.
Consider the following recommendations prior to the control wiring installation:

It is recommended to use shielded twisted cable with the shield connected to ground.

The installer should route the cables through the bottom panel and protect them with cable glands
or grommets to ensure the inverter degree of protection.

The installer should route the cables through the wiring duct up to the module control board.

Control wiring should be installed as far as possible from the power wiring.

If it is necessary to cross power cables and control cables, these crossings will be done in a
perpendicular way.

Do not use control voltages of 24VDC and 230/120VAC over the same cable or cable rack.
Figure 6.9 Control wiring restrictions
39
POWER ELECTRONICS
Internally, each inverter module communicates with the master through CAN communication and
synchronizes by fiber optic.
Externally the modules can communicate with other devices trough RS232 / RS485 / USB / Ethernet,
(Modbus RTU, Ethernet TCP/IP protocols) and optionally GSM.
To connect and power those elements that are not part of the scope delivery of Power Electronics,
consider the installation instructions of the respective manufacturers (ripple control receiver, router,
meteorological stations …).
All required information about digital I/O and analogue I/O is described below. Additionally Two analogue
sensors and one PT100 temperature sensor can be connected to each module of the Freesun HEC. The
maximum section for the control cables is 2.5mm² and the tightening torque is 0.4Nm
Figure 6.10 Control terminals for the user
Further information about setting of each input and output; please refer to the Freesun Software and
Programming manual.
40
POWER ELECTRONICS
7 COMMISSIONING
Before commissioning, all work performed on the device should be thoroughly checked. Verify that the DC
and AC voltages conform to the limits allowed on the inverter.
7.1 Initial Conditions
WARNING
Before starting the inverter, ensure that the grounding resistance is within site
specified limits.
Otherwise, the operator may be at risk of an electric shock.
Use safety glasses and adequate personal protection equipment during
operation with the door opened.
7.2 First Time Switch On
Verify all connections have been made according to the previous “Wiring Access and Connection”
section.
Auxiliary control voltage switches on:
1.
Switch on the auxiliary circuit breakers of each inverter module. These circuit breakers
include the ones for the fans, soft load, input and output voltage measurement, auxiliary
control voltage protection, etc. (See figure below 1).
2.
Verify that main AC circuit breaker of each inverter module is switched on. The main circuit
breaker is located in the rear of the inverter module. (See figure below 2).
3.
Switch on the following breakers located in the AC module

Auxiliary control voltage circuit breaker.

Auxiliary power source circuit breaker.

RCD circuit breaker.

Main auxiliary circuit breaker.
4.
When all the breakers are switched ON, the inverter is powered with the auxiliary control
voltage and the display unit is illuminated, indicating the state of each inverter module. (See
figure below 3, 10).
Voltage measurement:

Check that the AC voltage corresponds with the output AC voltage configured in the inverter.

Check that the AC phase sequence corresponds with the inverter phase sequence.

Check that the DC voltage is below the maximum DC voltage in each MPPT.
Power switch on:
5.
Close the inverter’s doors.
6.
Remove Lockout/Tagout locks and safeties.
7.
Connect all DC switches and check that DC voltage is present in the input DC busbar of
each MPPT of the inverter (integrated in HEC+ inverters and in the optional Disconnecting
Unit). In case the installation is equipped with String Supervisors by Power Electronics,
ensure that the DC switches are connected.
8.
Check that the medium voltage switchgear is switched on, so that the AC output of the
inverter is connected to the grid.
9.
Open the AC module window and switch on the main circuit breaker located in the output of
the AC module of the inverter. (See figure below 4).
COMMISSIONING
41
POWER ELECTRONICS
10. Finally, turn on the AC module switch key by selecting the “ON” position, allowing the
beginning of the plate connection process (shown in the display as BSC status).
11. After the appropriate delay (300 seconds minimum per UL-1741), the DC contactor (6) of the
modules will close, connecting the inverter to the DC side.
12. If the voltage (UAC), frequency (fAC) and DC input voltage (UPV) are within the acceptance
range, the AC soft charge contactor (7) will be activated. After a short period of time, the
main AC contactor (5) will be activated. In this way, the MPPT of the inverter selected is
completely connected in both AC and DC sides, injecting power to the grid.
13. Inverters with multiple MPPT, please repeat steps from 10 to 12.
Figure 7.1 FREESUN internal view. Inverter modules rear view (left), front view (center) and AC module (right)
NUMBER
1
2
3
4
5
6
7
8
9
10
42
COMMISSIONING
DESCRIPTION
Auxiliary circuit Breakers
Main module AC circuit breaker
Auxiliary control power supply and auxiliary power
source circuit breakers
Main AC Circuit Breaker
AC Module contactor
DC contactor
Soft charge contactor
DC measure protection fuses
Main circuit surge arrester and fuses
Main auxiliary fuses
POWER ELECTRONICS
7.3 Switch Off
FREESUN inverter maintenance and operation tasks may be only performed by qualified personnel. To
safely deenergize the inverter, follow the next steps.
Standard Switch off:
Turn off the AC module switch key by selecting the “OFF” position. The AC contactor (5), the DC
circuit breaker (6) of the modules will switch off and the bus discharge process is enabled during 30
seconds.
Wait 5 minutes for the bus caps to discharge.
Maintenance tasks switch off:
1. Turn off the AC module switch key by selecting the “OFF” position. The AC contactor (5), the DC
circuit breaker (6) of the modules will switch off and the bus discharge process is enabled during 30
seconds. Wait 5 minutes for the bus caps to discharge.
2. Disconnect the main AC circuit breaker (4) using its specific window.
3. Disconnect main DC switch (Disconnecting Unit). Do not leave the inverter DC busbar energized.
4. Open the inverter’s doors and disconnect Auxiliary circuit breakers (3, 10).
CAUTION
Voltage present on the DC bus.
It should be taken into account that the DC busbars and fuses of the Disconnecting Unit remain
connected to the photovoltaic cables.
The device contains capacitors on the AC and DC sides that must discharge once the device has been
switched off. After switching off, there is dangerous accidental-contact voltage present within the device;
the discharge time of the capacitors is 5 minutes.
COMMISSIONING
43
POWER ELECTRONICS
8 PREVENTIVE MAINTENANCE
Freesun HEC inverter requires minimum maintenance and supervision during its lifetime. Nevertheless the
inverter consists of advanced semiconductor, electric and electronic devices. The temperature, humidity,
dust, vibration, pollution and normal wear can reduce system efficiency.
Ambient
conditions
Module
ALL
Input and
output power
Power
connections
Cabinet
Integrity and
cleanness
Conductor/
Cable
Fuses
LOW VOLTAGE MAIN CIRCUIT
IGBT's module
Correct
capacitor
Inductances
Transformer
AC contactor
and circuit
breakers
Inverter
Module Control
board battery
Insulation
resistance in
grounded
installations
44
Are the ambient temperature
and the humidity within
specification?
Are there any abnormal
noises or vibrations?
Are the Power terminals
correctly fastened?
Check tape seal on the
doors.
Check doors, gratings and
cabinet about visual
damages.
INSPECTION METHOD
CRITERION
INSTRUMENT OF
MEASUREMENT
Thermometer,
Hygrometer,
Datalogger
External measurement
Temperature:
-20 to +50
o
Visual and audible.
There are no anomalies.
o
Measure the displayed
voltage between terminals
L1, L2, L3 and N and
between positive (+) and
negative (-) DC poles.
Digital multimeter.
Tester.
Display
o
Fasten the bolts one week after
its start-up.
Measure the temperature and Then, check yearly that the
torque of the power
connections temperature is
connections
homogeneous and below 70ºC
Check that the torque is the
indicated in the manual.
Infrared
thermometer
Torque key
o
Is the input and output power
correct?
o
Visual check.
No anomaly.
o
Visual check
If the cabinet paint is scratched
or removed, it could appear
oxide and corrosion.
o
Visual check
No anomaly.
Visual check.
No anomaly.
Visual check.
Disconnect the output power
cables of the inverter and
measure the resistance value
between: L1,L2,L3  DC(+),
DC(-) with a tester > 10k
No anomaly.
o
Check cabinet paint about
visual damage or corrosion
Check the bottom connection
metal panels about pools,
dust or rubbish
Is the conductor corroded?
Is the isolation of the cable
damaged?
Is there any fuse melted?
2 years
INSPECTION
1 year
PERIOD
INSPECTION
ELEMENT
Weekly
INSPECTION
SITE
For maximum equipment usage, follow the recommended maintenance procedures summarized in the
next table.
o
o
o
Check the resistance value
between each one of the
terminals
Have fluid leaks been
observed? Is the capacitor
well fastened? Is any dilation
or retraction sign observed?
Measure the capacitance
Is there any liquid leak?
Is there any overheated
point?
Check about visual
damages.
point?
Is the contactor damaged?
Are the circuit breakers
placed in each module
damaged?
o
Digital multimeter.
Analogue tester.
o
Visual check.
No anomaly
Instrument for
Measure the capacitance with Capacitance higher than 85% of measuring
a proper instrument.
rated capacitance.
capacity.
o
Visual check.
Measure the surface and
connectors’ temperature.
No anomaly.
Check that the temperature is
Infrared
thermometer.
Visual check.
Measure the surface and
connectors’ temperature.
No anomaly.
Check that the temperature is
Infrared
thermometer.
o
Disconnect the power supply.
Reset de circuit breaker with
the test bottom.
No anomaly.
Is the battery discharged?
o
Check the batteries voltage.
No anomaly.
Tester
Is there any earth leakage?
Is the grounded pole
conductor damaged?
o
Disconnect the GFDI fuse.
Measure the resistance
between the grounded phase
and earth.
The resistance value is above
1kΩ.
Digital multimeter.
Analog tester.
PREVENTIVE MAINTENANCE
o
o
o
o
DISPLAY
COOLING SYSTEM
2 years
INSPECTION
1 year
PERIOD
INSPECTION
ELEMENT
Weekly
INSPECTION
SITE
POWER ELECTRONICS
INSPECTION METHOD
CRITERION
o
Disconnect the power supply
(OFF) and rotate the fans
manually.
Check the connections.
Check IGBT temperature
Fan should rotate
effortlessly.
No anomaly.
Are the gratings clogged
by plastics or rubbish?
o
Visual check.
No anomaly.
Dust filters
Are the dust filters
obstructed?
o
Visual check
No anomaly
Measurement
Is the displayed value
correct?
o
Check the reading instrument
with an external
measurement.
Check the specified
values and the control
values.
Cooling fans
Are there any abnormal
noises or oscillations?
module?
Inlet and Outlet
Gratings
INSTRUMENT
OF
MEASUREMENT
Voltage meter /
Current meter
etc.
Note: Long life of the main components is based on a continuous operation for the stipulated load. These conditions
can change according to the environment conditions.
CAUTION
Voltage present on the DC bus.
It should be taken into account that the DC busbars and fuses of the Disconnecting Unit remain
connected to the photovoltaic cables.
The device contains capacitors on the AC and DC sides that must discharge once the device has been
switched off. After switching off, there are dangerous accidental-contact voltages present within the
device, the discharge time of the capacitors is 5 minutes.
PREVENTIVE MAINTENANCE
45
POWER ELECTRONICS
9 ACCESSORIES
The Freesun Series provides throughout the accessories complete protection, control and monitoring
solutions for worldwide photovoltaic installations.
9.1 Freesun Data Center
The FDC (Freesun Data Center) is a datalogger designed for remote
monitoring of photovoltaic plants.
The user will be able to check from a remote location a complete overview
of all the inverter’s data, such as AC features, DC features, energy, inverter
modules status, string status, graphical and numerical energy production
values, security cameras, weather stations (radiation, humidity,
4
temperature, …). .
Figure 9.1 Data logger module
9.2 Power Control Interface
The Power Control Interface (PCI) allows
integrating easily all the Freesun series solar
inverters of Power Electronics into power
control systems.
With the PCI, the grid operator could
implement active power limitation or reactive
power set point.
Figure 9.2 Power Control Interface hardware
9.3 String Supervisor 16/24/32
The new String Supervisor generation could measure up
to 32 independent channels. It is communicated with the
inverter by RS485 and supplied by 230Vac.
It is fully protected by the overvoltage protector, fuses in
each string and motorized on-load disconnector. It is
available with cable glands or multi-contact connectors.
Figure 9.3 String Supervisor 16/24/32
4
46
Some of the described function are additional features for FSDC
ACCESSORIES
POWER ELECTRONICS
9.4 Disconnecting Unit
Freesun HEC can be featured with up to 6 DC on-load disconnectors, 18 fuses and 18 independent
monitoring channels. The disconnecting unit goes one step further improving the PV plant safety and
operation for those who apply the best engineering.
The Disconnecting Unit can be installed inside the inverter in up to 8 modules inverters (HEC+ inverters) or
can be externally integrated. Both solutions present external handles for DC no load disconnectors.
Figure 9.4 External Disconnecting Unit
For more information about the Disconnecting Unit, see its specific manual.
ACCESSORIES
47
48
POWER ELECTRONICS
DECLARATION OF CONFORMITY CE
The Company:
POWER ELECTRONICS ESPAÑA, S.L.
C/ Leonardo Da Vinci, 24-26, 46980 Paterna (Valencia)
+34 96 136 65 57
+34 96 131 82 01
Name:
Address:
Telephone:
Fax:
Declares under its own responsibility, that the product:
Solar Inverter
Brand: Power Electronics
Model name: HEC Freesun Series
Is in conformity with the following European Directives:
References
2006/95/CE
2004/108/CE
Title
Electrical equipment designed for use within certain voltage limits
Electromagnetic Compatibility
References of the harmonized technical norms applied under the Low Voltage Directive:
References
EN 61209-1:2010
EN 61209-2:2011
Title
Safety of power converters for use in photovoltaic power systems -- Part 1: General
requirements
Safety of power converters for use in photovoltaic power systems -- Part 2: Particular
requirements for inverters
References of the harmonized technical norms applied under the Electromagnetic
Compatibility Directive:
References
EN 61000-6-2:2005
EN 61000-6-4:2007
IEC 61000-3-4:1998
nd
Paterna, 2
of May 2014
David Salvo
Executive Director
Title
Electromagnetic compatibility (EMC) -- Part 6-2: Generic standards - Immunity for
industrial environments
Electromagnetic compatibility (EMC) -- Part 6-4: Generic standards - Emission
standard for industrial environments
Electromagnetic compatibility (EMC) - Part 3-4: Limits - Limitation of emission of
harmonic currents in low-voltage power supply systems for equipment with rated
current greater than 16 A
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Power Electronics Asia HQ Co • Room #305, SK Hub Primo Building • 953-1, Dokok-dong, Gangnam-gu • 135-270
• SEOUL • KOREA
Tel. (+82) 2 3462 4656 • Fax (+82) 2 3462 4657
Power Electronics India • No 25/4, Palaami Center, • New Natham Road (Near Ramakrishna Mutt),• 625014 •
MADURAI
Tel. (+91) 452 452 2125• Fax (+91) 452 452 2125
Power Electronics Italia Srl • Piazzale Cadorna, 6 • 20123 • MILANO • ITALIA
Tel. (+39) 347 39 74 792
Power Electronics Japan KK • Nishi-Shinbashi 2-17-2 • HF Toranomon Bldg. 5F • 105-0003 • Minato-Ku • Tokyo
Tel. (+81) 03 6355 8911 • Fax (+81) 03 3436 5465 • Email: [email protected]
P.E. Internacional Mexico S de RL • Calle Cerrada de José Vasconcelos, No 9 • Colonia Tlalnepantla Centro •
Tlalnepantla de Baz • CP 54000 • ESTADO DE MEXICO
Tel. (+52) 55 5390 8818 • Tel. (+52) 55 5390 8363 • Tel. (+52) 55 5390 8195
Power Electronics – Ekoakua • Geea sarl , N°184 Bloc Hay EL.Massira Aït Melloul • 80150 •Agadir • Maroc
Tel: +212 5 28 30 88 33 • Mob: (+34) 628 11 76 72 • Email: [email protected]
Power Electronics New Zealand Ltd • 12A Opawa Road, Waltham • CHRISTCHURCH 8023 • P.O. Box 1269
CHRISTCHURCH 8140
Tel. (+64 3) 379 98 26 • Fax.(+64 3) 379 98 27
Power Electronics Corp UK Ltd • Well House • 80 Upper Street • Islington • LONDON N1 ONU • UNITED
KINGDOM
Tel. (+34) 961 366 557 • Fax. (+34) 961 318 201 • Email: [email protected]
Power Electronics USA Inc. • 505 Montgomery Street, 11th Floor • San Francisco• CA 94111 • UNITED STATES OF
AMERICA
Tel: (415) 874-3668 • Fax: (415) 874-3001 • Mov: (415) 376-1471 • Email: [email protected]
www.power-electronics.com

Hardware and Installation Manual

Transcription

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