PVI 50TL
PVI 60TL
INSTALLATION AND OPERATION MANUAL
Revision E
©2017, Yaskawa - Solectria Solar
PVI 50/60 TL Installation and Operation Manual (Rev E)
IMPORTANT REGISTRATION AND
WARRANTY INFORMATION
For warranty to become active, this inverter
must be registered. To activate warranty and
register inverter, please visit the link below.
www.solectria.com/registration
DOCR-070645-E
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PVI 50/60 TL Installation and Operation Manual (Rev E)
Before You Start…
This manual contains important information regarding installation and safe operation
of the PVI 50/60TL. Be sure to read this manual carefully before using the inverter.
Thank you for choosing a Yaskawa – Solectria Solar grid-tied PV Inverter. This PV
Inverter is a high performance and highly reliable product specifically designed for the
North American Solar market.
If you encounter any problems during installation or operation of this unit, first check
the user manual before contacting your local dealer or supplier. This user manual is
applicable for the following models: PVI 50TL & PVI 60TL.
Instructions inside this user manual will help you solve most installation and
operation difficulties. Contact your local supplier if the problem still exists.
Please keep this user manual on hand for quick
reference. Always check online for an updated
version of this product manual. The contents of this
document are subject to change without notice.
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PVI 50/60 TL Installation and Operation Manual (Rev E)
IMPORTANT Safety Instructions
SAVE THESE INSTRUCTIONS
Please read this user manual carefully before product installation. Yaskawa - Solectria
Solar reserves the right to refuse warranty claims for equipment damage if the user
fails to install the equipment according to the instructions in this manual.
Warnings and Symbols in this Document
DANGER:
DANGER indicates a hazardous situation which, if not avoided,
may result in death or serious injury.
DANGER indique une situation dangereuse qui, si elle n'est pas
évitée, entraînera la mort ou des blessures graves.
WARNING:
WARNING indicates a hazardous situation which, if not avoided,
may result in death or serious injury.
AVERTISSEMENT indique une situation dangereuse qui, si elle
n'est pas évitée, pourrait entraîner la mort ou des blessures
graves.
CAUTION:
CAUTION indicates a hazardous situation which, if not avoided,
may result in minor or moderate injury.
ATTENTION indique une situation dangereuse qui, si elle n'est pas
évitée, peut entraîner des blessures mineures ou modérées.
NOTICE:
NOTICE indicates a hazardous situation which, if not avoided,
may result in equipment working abnormally or property loss.
INSTRUCTION:
INSTRUCTION indicates important supplementary information or
provides skills or tips that can be used to help you solve a
problem or save you time.
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PVI 50/60 TL Installation and Operation Manual (Rev E)
Markings on the Product
HIGH VOLTAGE:
This inverter works with high voltages. All work on the product must
only be performed as described in this document.
HOT SURFACE:
The equipment is designed to meet international safety standards,
but surfaces can become hot during operation. Do not touch the
heat sink or peripheral surfaces during or shortly after operation.
EARTH GROUND:
This symbol marks the location of grounding terminal, which must be
securely connected to the earth through the PE (Protective Earth)
cable to ensure operational safety.
WARNING:
All installation and wiring connections should be performed only by
qualified technical personnel. Disconnect the inverter from PV
modules and the Power Grid before maintaining and operating the
equipment.
Toutes les installations et les connexions de câblage doivent être
effectuées uniquement par le personnel technique qualifié.
Débrancher l'onduleur de modules photovoltaiques et le grid
électrique avant l'entretien et la marche de l'équipement.
Risk of electric shock and fire. Use only with PV modules with
maximum system voltage of rating of 1000V or higher.
Risque de choc électrique et d'incendie. Utiliser uniquement avec les
modules photovoltaiques avec la tension maximum du système de
Ratinf de 1000V ou plus.
Electric Shock Hazard. The DC conductors of this photovoltaic system
are normally ungrounded but will become intermittently grounded
without indication when the inverter measures the PV array
isolation.
Risque de choc électrique. Les conducteurs c.c. de ce système
photovoltaïque sont normalement non mis à la terre mais
deviendront par intermittence mis à la terre sans indication lorsque
l’onduleur mesure l’isolement du champ photovoltaïque.
Shock Hazard. Energized from both AC and DC sources. Disconnect
all sources before servicing.
Risque de choc électrique. Alimenté à partir de deux sources c.a. et
c.c. Débrancher toutes les sources avant de mettre en service.
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For continued protection against risk of fire, replace only with same
type and ratings of fuse.
Pour une protection continuelle contre tout risque d'incendie,
remplacez les fuses uniquement avec le même type et calibre."
DANGER:
Please disconnect the inverter from AC grid and PV modules before
opening the equipment. Make sure hazardous high voltage and
energy inside the equipment have been discharged.
Do not operate or maintain the inverter until at least 5 minutes after
disconnecting all sources from DC and AC sides.
Veuillez débrancher l'onduleur du grid C.A. et des modules
photovoltaiques avant l'ouverture de l'équipement. Assurez-vous que
la haute tension et l'énergie dangereuses à l'intérieur de
l'équipement a été déchargée.
Ne pas utiliser ou entretenir l'onduleur jusqu'à au moins 5 minutes
après avoir débranché toutes les sources du côté C.C. et C.A.
CAUTION:
PVI 50-60TL inverter is 123.5lbs and the wiring box is 33lbs.
Please ensure the mounting bracket is properly installed before
hanging the inverter on the bracket.
Veuillez vous assurer que le montage est correctement installé avant
d'accrocher le l'onduleur sur le support.
INSTRUCTION:
Please check with your local electricity supply company before
selecting a grid standard. If the inverter is operated with a wrong
grid standard, the electricity supply company may cancel the
interconnection agreement.
Putting the inverter into operation before the overall system
complies with the national rules and safety regulation of the
application is not permitted.
DANGER!
Danger to life due to fire or explosion:
Despite careful construction, electrical devices can cause fires.
-Do not mount the inverter on flammable construction materials.
-Do not mount the inverter in areas where highly flammable
materials are stored.
-Do not mount the inverters in areas with a risk of explosion
SAVE THESE INSTRUCTIONS
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PVI 50/60 TL Installation and Operation Manual (Rev E)
BEFORE YOU START… ................................................................................. 3
PLEASE KEEP THIS USER MANUAL ON HAND FOR QUICK REFERENCE.
ALWAYS CHECK ONLINE FOR AN UPDATED VERSION OF THIS PRODUCT
MANUAL. THE CONTENTS OF THIS DOCUMENT ARE SUBJECT TO CHANGE
WITHOUT NOTICE. ..................................................................................... 3
IMPORTANT SAFETY INSTRUCTIONS .......................................................... 4
1.0: OVERVIEW ........................................................................................ 10
1.1 INVERTER FOR GRID-TIED PV SYSTEMS ............................................ 10
1.2 PRODUCT FEATURES ..................................................................... 10
1.3 PRODUCT PROTECTION FUNCTIONS ................................................. 11
1.4 CIRCUIT STRUCTURE DESIGN .......................................................... 11
1.5 APPEARANCE DESCRIPTION ............................................................ 12
1.6 ANTI-ISLANDING .......................................................................... 12
1.7 DC GROUND FAULT PROTECTION .................................................... 13
1.8 SURGE SUPPRESSION .................................................................... 13
1.9 DC ARC FAULT DETECTION ............................................................. 13
2.0: INSTALLATION ................................................................................... 13
2.1 RECOMMENDATIONS BEFORE INSTALLATION ..................................... 16
2.2 MECHANICAL INSTALLATION ........................................................... 17
2.3 ELECTRICAL INSTALLATION .............................................................. 29
2.3.1 DC Connection.............................................................................33
2.3.1.1 DC Connection for Standard Wiring Box ..................................36
2.3.1.2 DC Connection for H4 Wiring Box ............................................38
2.3.1.3 Individual Maximum Power Point Tracking .............................39
2.3.2 AC and Ground Connections .......................................................40
2.4 INVERTER COMMUNICATION CONNECTIONS...................................... 46
2.4.2 Preparing the Inverter for Modbus Communications .................52
2.4.2 Installing the Ethernet Network Card .........................................53
2.4.3 Connecting the Ethernet Network Card to other inverters. ........54
rd
2.4.4 Connecting a 3 Party Monitoring System to the Ethernet
Network Card .......................................................................................54
2.4.5 Preparing the Ethernet Network Card ........................................54
3.0: COMMISSIONING .............................................................................. 55
3.1 COMMISSIONING CHECKLIST .......................................................... 55
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3.1.1 Mechanical Installation ...............................................................55
3.1.2 Cable Connections.......................................................................55
3.1.3 Electrical Check ...........................................................................55
3.2 COMMISSIONING STEPS................................................................. 55
4.0: USER INTERFACE ............................................................................... 58
4.1 DESCRIPTION OF THE INTERFACE ..................................................... 58
4.2 OPERATION STATE ........................................................................ 59
4.3 INTERFACE TYPES.......................................................................... 60
4.4 MENU FUNCTIONS ....................................................................... 61
4.4.1 Measurement Data .....................................................................61
4.4.2 Setting .........................................................................................63
4.4.2.1 System Parameters ..................................................................64
4.4.2.2 Control Command ....................................................................64
4.4.2.3 Protect Parameters ..................................................................66
4.4.2.4 L/HVRT Parameters ..................................................................69
4.4.2.5 Power Derating Setting ............................................................72
4.4.2.6 Reactive Derating Setting ........................................................73
4.4.2.7 Arc Parameters ........................................................................76
4.4.2.8 Other Parameters ....................................................................76
4.4.3 Power ON/OFF ............................................................................78
4.4.4 History .........................................................................................78
4.4.5 Device Information......................................................................79
5.0: OPERATION ....................................................................................... 80
5.1 START-UP ................................................................................... 80
5.2 SHUTDOWN ................................................................................ 80
5.3 OPERATION MODE ....................................................................... 80
5.4 GRID-TIED POWER GENERATION..................................................... 82
6.0: MAINTENANCE AND REMOVAL OF INVERTER ................................... 83
6.1 FAULT SHUTDOWN AND TROUBLESHOOTING ..................................... 83
6.1.1 LED Fault and Troubleshooting ...................................................83
6.1.2 LCD Fault and Troubleshooting ...................................................83
6.2 PRODUCT MAINTENANCE .............................................................. 90
6.2.1 Check the Electrical Connection ..................................................90
6.2.2 Clean the Air Vent Filter ..............................................................90
6.2.3 Replace Cooling Fans ..................................................................90
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6.2.4 Replace the Inverter ....................................................................92
6.3 UNINSTALLING THE INVERTER ......................................................... 94
7.0: PRODUCT WARRANTY AND RMA POLICY .......................................... 94
8.0: TECHNICAL DATA ............................................................................... 95
9.0: ACCESSORY OPTIONS ...................................................................... 100
9.1
FUSE BYPASS ...................................................................... 100
9.2
SHADE COVER .................................................................... 101
APPENDIX A – PVI 50/60TL DATASHEET ............................................. 103
APPENDIX B – STRING SIZING TOOL .................................................... 103
APPENDIX C – CONTACT INFORMATION ............................................... 103
APPENDIX D – AUTHORIZED DISTRIBUTORS .......................................... 103
APPENDIX E – UL 1741 / UL 1699B/ IEEE 1547 / CSA 22.2#107.1.... 104
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PVI 50/60 TL Installation and Operation Manual (Rev C)
1.0: Overview
1.1 Inverter for Grid-Tied PV Systems
The PVI 50/60TL inverter is suitable for use on commercial and utility-scale rooftop,
carport and ground mount grid-tied PV systems. A system is generally made up of PV
modules, DC power distribution equipment, PV inverter and AC power distribution
equipment (Figure 1.1). The inverter converts DC from PV modules to AC with the
same frequency and phase as the AC grid. All or part of the AC power is supplied to
local loads, and the surplus power is supplied to the electricity grid.
DC power
AC power
distribution
distribution
equipments
equipments
Bidirectional
electric meter
AC Grid
Figure 1.1 - Grid-Tied PV System
1.2 Product Features
 High Conversion Efficiency: Advanced 3-level conversion technology;







Max. Efficiency: 99%;CEC Efficiency: 98.5%
Strong Grid Adaptability: Multi grid standards applicable; Reactive power
adjustable; Power Factor (PF) value: ±0.8, Remote Curtailment
Flexible Communication: Supports standard Modbus communications to
rd
ensure compatibility with 3 party monitoring and control systems
Wide DC Input Voltage Range: Operating DC Input Voltage Range: 200-950Vdc;
Max DC input voltage: 1000V
Long Service Life: Uses thin-film capacitors to extend inverter’s service life
3 MPPTs: Multichannel independent MPPT (Maximum Power Point Tracking)
enable maximum design flexibility and optimize energy harvest over the life of
the system
High Protection Degree: NEMA 4X protection meets the needs of both indoor
and outdoor use; Embedded DC surge protection device (SPD)
Intelligent Integration: Embedded DC/AC switches and up to 15 fused string
inputs eliminate the need for external combiner boxes and simplify installation.
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1.3 Product Protection Functions







Reverse polarity protection on the DC inputs
Short circuit protection
Arc-Fault Circuit Interruption
Anti-islanding protection
Input and output over-voltage protection
Input over-current protection
Monitoring of:
 DC input insulation against ground
 AC output voltage and frequency
 Leakage current against ground
 DC injection from AC output
 Ambient temperature
 IGBT module temperature
1.4 Circuit Structure Design
The basic schematic diagram of PVI 50/60TL inverter is shown in Figure 1.2. The input
of PV modules passes through surge protection circuitry, DC EMI wave filter, and the
front-end boost circuitry to achieve maximum power tracking and boost up voltages.
The output of the inverter converts the DC voltage to 3-phase AC voltage. The high
frequency AC components are removed with a wave filter. The 3-phase AC voltage is
then passed through two-stage relays and EMI wave filter to produce high quality AC
power.
Figure 1.2 - Schematic Diagram of PVI 50/60TL Inverter
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1.5 Appearance Description
Figure 1.3 - Sketch of PVI 50/60TL Inverter
Main Items of the Inverter:
1) Main inverter section
2) Wiring box of the inverter
3) Mounting bracket
4) External cooling fans
5) LED indication lights
6) LCD
7) Key buttons
8) DC switch: DC power on/off
9) AC switch: AC power on/off (right side of the wiring box when facing the
inverter)
1.6 Anti-Islanding
This inverter includes active Anti-Islanding detection as required by
UL1741/IEEE1547. The inverter will automatically make small variations in reactive
power output in order to detect a possible islanding condition. If the grid is stable,
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these small variations will have negligible effects on system voltage and frequency.
However, in an islanded condition the small amount of reactive power changes will
force the system voltage or frequency to change significantly, which will trigger the
inverter to shut down. This function is always on and cannot be turned off by the
user.
1.7 DC Ground Fault Protection
The PVI 50/60TL includes residual current detection as part of the DC ground fault
detection method as required by UL1741. If there is a ground fault in the array, the
ground fault detection technology will detect the array leakage current. The
inverter will shut down if the leakage current exceeds 500mA.
1.8 Surge Suppression
Surge Category
B


STANDARD WAVEFORM PEAK VALUES
Ring Wave
Combination Wave
6 kV/0.50 kA
6 kV/3 kA
Standard 1.2/50 μs - 8/20 μs Combination Wave
Standard 0.5 μs - 100 kHz Ring Wave
1.9 DC Arc Fault Detection
The PVI 50-60TL includes DC arc fault detection compliant with UL 1699B. The
inverter detects electrical noise that typically accompanies a DC series arc. The
inverter will shut down should the arc fault sensor detect a series arc.
2.0: Installation
Below is the installation procedure for the inverter. Please read carefully and install
the product step-by-step.
Before installation, please check that the following items are included in the package:
Table 2.1 - Main Items
No.
Item
(1)
Main inverter section
1
(2)
Wiring box
1
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Qty
Note
It is possible to receive and install the
wiring box first and the inverter later.
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PVI 50/60 TL Installation and Operation Manual (Rev C)
(3)
Mounting bracket
1
Upon which inverter is hung and
mounted onto a wall
(4)
User manual
1
Installation and operation manual
(5)
Accessory kit
1
Contains all necessary accessories
The (5) Accessory kit contains items listed below, in Table 2.2:
Table 2.2 – Accessory Kit Components (standard wiring box)
No.
Item
Qty
Note
(1)
M8 Expansion tubes
8
For mounting bracket
(2)
M8×25 assembling
bolts
8
For mounting bracket
(3)
M6 X18 screw
11
4 for wiring box and main housing;
6 for inverter and mounting bracket;
1 for Ground connection
(4)
5 pin connector
1
For RS485 communication
(5)
3 pin connector
1
For RS485 communication
(for optional model)
(6)
Lifting eye nut M10
2
For lifting the main section
(7)
M8 Nut
4
For AC terminal block
(8)
M8 Flat washer
4
For AC terminal block
(9)
M8 Spring washer
4
For AC terminal block
(10)
DC ferrules
33
30 for DC wires and 3 spares
INSTRUCTION:
The items in the accessory kit table above are for the standard
configuration. The accessories may vary if optional parts are purchased.
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Table 2.3 – Accessory Kit Components (H4 wiring box)
Q’ty
No.
Item
(1)
M8 Expansion tubes
8
For mounting bracket
(2)
M8×25 assembling bolts
8
For mounting bracket
(3)
M6 X18 screw
11
4 for wiring box and main housing;
6 for inverter and mounting bracket;
1 for Ground connection
(5)
H4 PV Connector(Male)
15
For PV input
(6)
H4 PV Connector(Female)
15
For PV input
(7)
Tool for PV Connector
1
For PV Connector
(8)
M8 Nut
4
For AC terminal block
(9)
M8 Flat washer
4
For AC terminal block
(10)
M8 Spring washer
4
For AC terminal block
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Note
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PVI 50/60 TL Installation and Operation Manual (Rev C)
2.1 Recommendations Before Installation

Check that the product environmental specifications (protection degree,
operating temperature range, humidity and altitude, etc.) meet the
requirements of the specific project location.

Make sure that the AC grid voltage is within the normal range.

Ensure that the local electricity supply authority has granted permission to
connect to the grid.

Installation personnel must be qualified electricians or have received
professional training.

Sufficient space according to Figure 2.3 should be provided to allow the
inverter cooling system to operate normally.

Install the inverter away from flammable and explosive substances.

Avoid installing the inverter in locations that exceed the temperature limits
specified in the inverter data sheet to limit undesirable power loss.
Do not install the inverter near an electromagnetic source which can
compromise the normal operation of electronic equipment.

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2.2 Mechanical Installation
1) Dimensions
Figure 2.1 - PVI 50/60TL Inverter Dimensions
2) Installation Method (see Figure 2.2):
Make sure that the mounting structure (wall, rack, etc.) is suitable to support the
inverter weight. Follow the mounting guidelines below:
(a) If the location permits, install the inverter vertically.
(b) If the inverter cannot be mounted vertically, it may be tilted backward to
horizontal.
The shade cover option must be purchased and installed for any installation
angles of 75° or less.
(c) DO NOT mount the inverter leaning forward.
(d) DO NOT mount the inverter upside down.
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Figure 2.2 - Inverter Mounting
WARNING: Shade cover accessory required for installation angles of 75° or less.
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3) Installation Space Requirement (see Figure 2.3):
The distances between the inverters or the surrounding objects should meet the
following conditions:
NOTICE:
The spacing between two adjacently mounted inverters should be
≥500mm (19.7 in.). Ensure that the air space around the inverter is well
ventilated.
L'espace entre deux onduleurs montés adjacentes devrait être ≥
500mm (19,7 pouces). Veiller à ce que l'espace d'air autour de
l'onduleur est bien aéré.
Figure 2.3 - Inverter Wall Mounting Specifications
NOTICE:
The installation clearance between two inverters must be increased to 30
in. when the ambient temperature is higher than 45°C.
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La distance d'installation entre deux onduleurs doivent être élargie quand
la température ambiante est supérieure à 45℃.
Figure 2.4 - Inverter Pillar Mounting Specifications
INSTRUCTION:
If the inverter is installed on Unistrut or the array racking (instead of
solid wall), the space from the bottom of one inverter to the top of the
inverter below may be as small as 4in. (100mm).
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4) Mounting the Inverter onto the Bracket
(1) Mark the 8 holes on the bearing surface for mounting the bracket as shown in
Figure 2.5;
4.5”
Figure 2.5 - Holes on the Bearing Surface Dimensions
(2) Drill holes at the marked positions with a 10mm (0.4in.) drill and put the M8
expansion tubes ① into the holes; assemble and fasten the mounting brackets
② with the M8x25 assembling bolts ③ in the accessory kit. Figure 2.6.
Tool: Electric drill (Ф10mm/0.4in. head), 13mm wrench 240 in-lbs
Figure 2.6 – Drilling holes for mounting hardware
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PVI 50/60 TL Installation and Operation Manual (Rev C)
9.84in. 9.
(250mm) (2 84in.
50mm)
2
2
3
3
20.55in.
(522mm)
1
5.51in.
(140mm)
1
Figure 2.7 - Securing the Mounting Bracket
(3) Hang the inverter onto the mounting bracket as shown in Figure 2.8 and
Figure 2.9;
Lift mounting: Take out the lifting eye nut M10 (2pcs) from the accessory kit,
and screw them onto the studs at the top of the inverter. Use a sling rope or
bar (inserted through both lifting eye nuts) to lift the inverter onto the bracket.
The minimum angle between the two sling ropes should be less than 90
degrees.
Manual mounting: Two people are needed to properly lift the inverter by the
handles detailed in Figure 2.9, and mount the inverter onto the bracket.
CAUTION:
The main PVI 50/60TL inverter section is 123.5 lbs (56 kg).
Please ensure the mounting bracket is properly installed before
hanging the inverter on the bracket. It is recommended to have at
least 2 people mount the inverter due to the weight of the
equipment.
ATTENTION: le poids de l'enveloppe principal de PVI 50-60TL est
d'environ 56kg (≈123.5 livres).
Veuillez vous assurer que le support est correctement installé avant
de suspendre le l'inverseur sur le support. Il est recommandé d'avoir
au moins 2 personnes pour monter le convertisseur en raison du
poids de l'équipement.
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Figure 2.8 - Mounting the Main Inverter Section on the Bracket
Figure 2.9 - Grab Handle Position
(4) Installing the wiring box
① Remove the cover plate at the bottom of the main section. (see Figure 2.10)
Tool: No.2 Phillips head screwdriver
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Figure 2.10 – Main Section Cover Plate
② Remove the cover at the top of the wiring box (see Figure 2.11)
Figure 2.11 - Wiring Box Cover
③ Connect the wiring box to the main section, using M6x18 screws (4pcs) to
secure the wiring box. (see Figure 2.12)
Tool: No. 10 Wrench, torque value of 25 in-lbs (2.8N.m )
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PVI 50/60 TL Installation and Operation Manual (Rev C)
Figure 2.12 - Wiring Box Installation
CAUTION:
The total weight of the PVI 50/60TL inverter is 156 pounds (71kg).
Please ensure the mounting is properly installed before hanging the
inverter on the bracket.
Le poids total de la PVI 50/60TL onduleur est d'environ 71 kg (156
livres).Veuillez vous assurer que le support est correctement installé
avant de suspendre le l'inverseur sur le support.
(5) Attach the main section and the wiring box to the mounting bracket with the
M6x18 bolts (6 pcs). (see Figure 2.13)
Tool: No.3 Phillips head screwdriver, torque value of 35 in-lbs (4 N.m.)
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Figure 2.13 - Secure the Main Section and Wiring Box to the Bracket
(6) Optional - Install an anti-theft padlock when the installation is complete.
The anti-theft padlock is used to help prevent the inverter from being stolen
when the equipment is installed outdoors. The inverter may be locked on the
bracket, as shown in Figure 2.14:
Figure 2.14 - Anti-Theft Padlock Location
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PVI 50/60 TL Installation and Operation Manual (Rev C)
The anti-theft padlock should meet the requirement of the dimensions shown in
Figure 2.15:
B
C
A
Recommended lock size:
A: Ф3~6mm
B: 20~50mm
C: 20~50mm
Figure 2.15 - Dimensions of Anti-Theft Padlock
(7) Attach the cover board as shown in Figure 2-10 to the left side of the wiring
box. (see Figure 2-16)
Tool: No.2 Phillips head screwdriver, torque value of 10 in-lbs (1.2N.m)
Figure 2.16 - Dimensions of Anti-Theft Padlock
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PVI 50/60 TL Installation and Operation Manual (Rev C)
5) Removing/Replacing the Wiring Box Cover:
(1) Use a #3 Phillips screwdriver to remove the 4 screws on the wiring box and
pull cover straight off the box. Do not twist or slide the cover while removing.
(see Figure 2.17)
Figure 2.17 – Removing the Wiring Box Cover
(2) To replace the cover use a #3 Phillips screwdriver to replace the 4 screws on
the cover.
INSTRUCTION:
It is important to use a hand tool (e.g. Screwdriver or T-handle, #3
Phillips) and not power drivers or other types of screw drivers. Also, it is
important to hold the cover in alignment with balanced force across the
cover, not weighted toward any edge. Partially engage all four screws to
the threaded inserts a few rotations before tightening any one screw.
This is important to maintain alignment and avoid thread damage. When
all four screws are engaged torque to 20 in-lbs (2.2Nm).
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2.3 Electrical Installation
There are two options for wiring box, please confirm which one you have:
Figure 2.18 – (a) Standard wiring box (b) H4 quick connect wiring box
The connection interface of the PVI 50/60TL inverter with Standard wiring box:
Figure 2.19 - Full View of Standard Wiring Box with Options
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PVI 50/60 TL Installation and Operation Manual (Rev C)
20.5in(520mm)
19.0in(483mm)
17.5in(445mm)
13.2in(336mm)
10.2in(258mm)
7.1in (180mm)
DC INPUT
COMM. PORT
DC INPUT
AC OUTPUT

For more details please see the user manual.
WARNING:
High touch current .
Earth connection essential before connecting supply.
4
1
2 3 2
Figure 2.20 - External Connection Ports
5
5
5
5
5
5
6
7
7 8
Figure 2.21 - Internal Connection Points of Standard wiring box
1. DC input cable area: 3 x 1.5in. conduit knockouts with an additional plate
provided for custom drilled conduit entrances (i.e. use if 2in., 2.5in., 3in. conduit
required).
NOTE: Do not enlarge the provided 1.5in. conduit knockouts.
2. Knockout for communication cable 3/4in.
3. Knockout for AC output cable, 1.5in.; additional plate provided for custom 2in.,
2.5in., 3in.
4. External ground connection point
5. DC fuse holders
6. DC Surge Protection Device
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7. Internal ground connection point and grounding studs
8. AC output terminal block
The connection interface of the PVI 50/60TL inverter with H4 wiring box:
9.4 in. (237mm)
5
3.9 in.
(99mm)
COMM. PORT
Do not disconnect under load.
AC OUTPUT
PV 1
1
2
1
2
1
2
3
4
5
4
5
4
5
PV 2
3
PV 3
3
WARNING:
High touch current .
Earth connection essential
before connecting supply.

For more details please
see the user manual.
1
2
3 4
6
Figure 2.22 – Conduit knock-out Locations of H4 quick connect wiring box
3+
SPD
1+
2+
7
PE
1. H4 quick-fit connectors
2. Knock-outs for communication, 3/4inch Trade Size
3. Knock-out for AC output, 1-1/2inch Trade Size with removable gland plate for
custom size conduit (ie use if 2inch or 2.5inch Trade Size is required)
4. External ground connection point
5. Knock-outs for communication in the right side of wire-box, 3/4inch Trade Size
6. Knock-out for AC output in the right side of wire-box, 1-1/2inch Trade Size with
removable gland plate for custom size conduit (ie use if 2inch or 2.5inch Trade Size
is required)
L1
L2
L3
N
AC Output: Use 90 ¡ãC wire, either 3~2/0AWG copper or
2~2/0AWG aluminum, torque 110 in-lbs.
AC Ground: Use 90¡ãC copper wire, 6~ 4AWG for internal
grounding bar or external grounding nut , torque 50 in-lbs.
8
10
9
Figure 2.23 – Internal connection points of H4 quick connect wiring box
7. DC Input fuse holder
8. DC SPD (Surge Protective Device)
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9. DC SPD (Surge Protective Device)
10. AC output terminal block
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PVI 50/60 TL Installation and Operation Manual (Rev C)
Choose the cables for inverters according to the following configuration table:
Position
DC input (﹢/﹣)
AC output
(L1/L2/L3/N*)
EGC (PE)
RS-485
communication
Table 2.5 - Cable Specifications
Cable
#10-8AWG (Copper only) using fuse holders
Up to #2AWG (Copper or Aluminum) using bypass
terminal kit
#3-2/0 AWG (Copper)
#2-2/0 AWG Aluminum
*Neutral wire is not current carrying; it is only for
sensing purposes. It can be sized as small as the
EGC (PE), but not smaller than 8AWG.
#8-2 AWG(Copper)
#6-2 AWG(Aluminum)
UTP CAT-5e or 3x#22-18AWG communication cable
(eg. Belden 9841)
DC and AC GROUND
Even though the inverter operates with an ungrounded PV array, the PV system still
requires equipment grounding.
Figure 2.24 - Equipment Grounding Locations (Standard wiring box)
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3+
1+
2+
SPD
PE
PVI 50/60 TL Installation and Operation Manual (Rev C)
L1
L2
L3
N
AC Output:Use 90¡ãC wire, either 3~2/0AWG copper or
2~2/0AWG aluminum, torque 110 in-lbs.
AC Ground:Use 90¡ãC copper wire, 6~4AWG for internal
grounding bar or external grounding nut, torque 50 in-lbs.
Figure 2.25 - Equipment Grounding Locations (H4 wiring box)
2.3.1 DC Connection
1) Working Mode
The PVI 50/60TL inverters have three PV input sections: DC Input-1, DC Input-2 and
DC Input-3. These three sections can work only in “Independent mode”.
In Independent mode each PV input section works with an independent MPP Tracker.
2) DC Fuse Configuration
Table 2.6 - DC Input Power Specification
PVI 50/60TL
(Independent mode –
per zone - DEFAULT)
PVI 50TL
PVI 60TL
Rated DC power
17.5kW (36A)
20.5kW (38A)
Max DC power allowed
25kW
30kW
Absolute Max open
circuit Voltage
1000V
1000V
Operating voltage
200-950V DC
200-950VDC
480-850V DC
540-850VDC
60A
60A
Max power input voltage
range (MPPT)
Maximum available PV
current (Isc x 1.25)
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The PVI 50/60TL inverters are equipped with standard 15A DC fuses. Customers must
verify that the appropriate fuses are installed depending on the PV system design.
(a) Each independent PV DC input string needs fuse protection.
(b) The rated voltage of fuses should be 1000V
(c) The rated current of fuses is generally 1.56 × short circuit current from the PV
strings, rounded up to the next available fuse size.
The following table lists the fuse type, specifications and number under the rated
voltage and power range of 10 strings of PV panels.
Table 2.7 - DC Fuse Selection
Brand
50-60 kW
Standard fuses
(15A)
20A
25A
30A
SPF015
SPF020
SPF025
SPF030
15A/1000V
20A/1000V
25A/1000V
30A/1000V
Littelfuse
NOTE 1: The 1000VDC Littelfuse fuse series is recommended. Detailed information
is available at: http://www.littelfuse.com/.
NOTE 2: The fuse holders can also accept a 20A (SPF020), 25A (SPF025) and a 30A
(SPF030) fuse for combined input strings if needed.
NOTE 3: Two 30A fuses should not be used next to each other.
NOTE 4: If string fuses other than the provided 15A fuses are desired, it is the
customers’ responsibility to source and install these extra fuses.
WARNING:
Use of different fuses or wrongly sized fuses can cause damage to
equipment or create un-safe working conditions. Any damage resulting
from incompatible fuses is not covered by warranty.
3) DC Conductors Connections
To ensure the optimum performance of the inverter, please read the following
guidelines before making DC connections:
(a) Confirm the DC configuration referring to Table 2.6 and ensure that the
maximum open circuit voltage of the PV modules is lower than 1000 VDC
under any conditions.
(b) Confirm that the PV strings for each MPPT of the inverter are of the same
module type, power level and string length before connection. The number,
orientation, and tilt of PV strings may differ for different applications.
(c) Configure the external wiring according to the conditions in Table 2.8.
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WARNING:
Working with live voltage is dangerous. It is recommended to have all
live circuits disabled prior to performing connections.
Table 2.8 - DC Input Configuration
DC
Inputs
15
14
13
12
11
10
9
8
7
6
5
4
3
Configuration for
each MPPT zone
Z1/Z2/Z3
5/5/5
5/5/4
5/4/4
4/4/4
4/4/3
4/3/3
3/3/3
3/3/2
3/2/2
2/2/2
2/2/1
2/1/1
1/1/1
DC Wire
Size
Conductors
Torque
Connect to:
#10-8AWG
30 in-lbs
PV Fuseholder
#10-8AWG
30 in-lbs
PV Fuseholder
#10-8AWG
30 in-lbs
PV Fuseholder
#10-8AWG
30 in-lbs
PV Fuseholder
#10-8AWG
30 in-lbs
PV Fuseholder *
#10-8AWG
30 in-lbs
PV Fuseholder *
#10-8AWG
30 in-lbs
PV Fuseholder *
#10-8AWG
30 in-lbs
PV Fuseholder *
#10-8AWG
30 in-lbs
PV Fuseholder *
#10-8AWG
30 in-lbs
PV Fuseholder *
Mixed**
Mixed**
Mixed**
Mixed**
Mixed**
Mixed**
Up to #2
50 in-lbs
Bypass
AWG
terminals
2
1/1/0
Up to #2
50 in-lbs
Bypass
AWG
terminals
1
1/0/0
Up to #2
50 in-lbs
Bypass
AWG
terminals
*Note that the provided fuse is 15A, your string combination may require a
larger rated fuse. Always verify the Isc rating of the input prior to connecting
to the fuse holder.
**Mixed input signifies a combination of fuse holder connections and fuse
bypass terminal utilization. Such combinations are very rare, but possible.
The wire size for the fuse holder connection is #10-8 AWG (30 in-lbs) and up
to #2 AWG for the bypass terminal (50 in-lbs).
NOTE: The temperature rating of the input wiring should be 90℃ or greater.
(d) Check the polarity of each PV string pair (Figure 2.26) before connecting to
the DC fuses or fuse bypass points by following these steps:
i. Using a multi-meter: connect the positive lead from the multi-meter to the
positive lead from the string and the negative lead from the multi-meter to
the negative lead from the string. If the value on the multi-meter is
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PVI 50/60 TL Installation and Operation Manual (Rev C)
positive, the polarity of the strings is correct.
ii. The positive (+) end of the PV string conductor should match the positive (+)
terminal of inverter’s DC input.
iii. The negative (-) end of the PV string conductor should match the negative (-)
terminal of inverter’s DC input.
NOTICE:
It is important to use a multi-meter to check the polarity of the DC input
cables to avoid any risk of reverse polarity.
Il est important d'utiliser un multimètre pour vérifier la polarité des
câbles d'entrée C.C. pour éviter tout risque d'inversion de polarité.
Figure 2.26 - Polarity Check
2.3.1.1 DC Connection for Standard Wiring Box
(a) Remove the plug from the DC conduit knockout holes and install the suitable
1.5 inch conduits via the knockouts. Then pull the cables through the
conduits into the wiring box.
(b) Connect the DC cables to the fuse holders and fasten the screws, as shown
in Figure 2.21. If you are using H4 wiring box, connect DC wires to H4
connectors as shown in Figure 2.21: Note: If you are using the fuse bypassskip this step and move to 8.1 Fuse bypass.
Tools: #2 Phillips bit and a Torque driver.
Torque value: 3.4N-m (30 in-lbs)
NOTE: If the installer does not use a torque driver to secure the conductors
there is risk of potential damage to the equipment, which is not covered by
the warranty.
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PVI 50/60 TL Installation and Operation Manual (Rev C)
Figure 2.27- DC Input Cable Connection (standard wiring box)
(c) If you prefer to route all DC cables thru a single hole inside the wiring box
please refer to Figure 2.28
Figure 2.28- DC Input Cable Connection
① Remove the 4 screws on the wiring box and take off the adaptor plate (refer to
Fig.2.22).
② Using a knockout punch tool, create the appropriate hole on the adaptor plate.
Note that for your convenience there are guidelines for a 2”, 2.25” and 3” hole.
③ Attach the board to the wiring box with the screws (4 pcs). Torque to 35 in-lbs.
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PVI 50/60 TL Installation and Operation Manual (Rev C)
2.3.1.2 DC Connection for H4 Wiring Box
(a) Check the polarity of the DC input cables to avoid any risk of reverse polarity.
(b) Put the positive (negative) DC cable through the gland and cable fastener, and
then crimp the cable with the cord end terminals shown in Table 2-9.
Table 2-9 Cord end terminals for DC cables
No.
Item
Function
1
For Positive DC cable
2
For Negative DC cable
(c) Insert the crimped positive and negative terminals into the male and female
housing respectively, and then tighten the seal glands, as shown in Figure 2-29 and
Figure 2-30:
NOTICE:
It is required to use the attached or the same type of DC input connectors.
Otherwise, poor contact may happen, causing problems or damage, which
is not covered under the warranty.
Figure 2-29 Assemble the male connector for DC positive cable
Figure 2-30 Assemble the female connector for DC negative cable
Remark: Confirm the following points before connecting the DC cables to the
inverter:
Make sure the PE cable is well connected. Please refer to “DC and AC ground
connection” for detailed information of ground connection.
Turn off the DC switch.
(d) Plug the assembled DC cable connectors with the positive and negative
connectors on the inverter side respectively, as shown in Figure 2-31:
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Figure 2-31 Plug DC cable connectors
2.3.1.3 Individual Maximum Power Point Tracking
The inverter is designed with three separate MPP Trackers (MPPT), which
operate independently.
PV1+
PV1-
1
2
3
4
5
1
2
3
4
5
PV2+
1
2
3
4
5
PV2-
1
2
3
4
5
PV3+
PV3-
1
2
3
4
5
1
2
3
4
5
IN1+
IN1-
IN2+
IN2-
Inverter
IN3+
IN3-
Figure 2.32 - Three MPPTs Operating Independently
Independent mode can be very useful for sites with shading on parts of the array
or with arrays consisting of different orientations. However, this also means that
one must consider these three zones as three separate inverters and power must
be balanced as much as possible between the three MPPT zones. See Table 2.8
for string/zones combinations.
NOTE: Always try connecting an equal number of wires to PV1, PV2 and
PV3 to each individual MPPT zone.
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PVI 50/60 TL Installation and Operation Manual (Rev C)
NOTE: Connecting all of the inputs at zone “PV1” will result in only
utilizing 33% of the inverter power
WARNING:
Strings must be balanced for optimum performance and AC output. When
doing DC/AC ratio sizing, perform calculations at the zone level. Maximum
DC/AC oversizing ratio is 1.5 STC conditions of the modules. Each zone
maximum input power is 25kW (50TL) and 30kW (60TL). Note for any
2
application that may experience higher than 1000 W per m on a regular
basis, a smaller DC/AC ratio is recommended. Also, the combined Isc rating
of all strings multiplied by 1.25 must be less than 60A for Individual mode.
Failure to follow those guidelines will result in damage to the inverter
which is not covered under the warranty.
2.3.2 AC and Ground Connections
The following describes how to connect the AC and ground conductors between the
inverter and the AC grid:
1) Use a #3 Phillips head screwdriver to loosen the 4 screws on the wiring box
and remove the cover. (see Figure 2.33)
2) Remove the knockout plugs from the holes of the AC side and install the
suitable conduits of 1-1/4 inch through the holes. Then pull the cables
through the conduit into the wiring box.
3) The inverter supports 3 kinds of conductor connection on the AC side
depending on the grounding connection method. The conductor set-up
procedures are illustrated below.
Use Tables 2.10 and 2.11 for required tools and torque values
Figure 2.33 - Remove the Wiring Box Cover
Table 2.10 - Required Tools
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PVI 50/60 TL Installation and Operation Manual (Rev C)
No.
Tools
Where used
1.
#3 Phillips screwdriver
Remove cover, external grounding
2.
1/4” flat head bit
Internal grounding bar
3.
14mm hex socket wrench
AC terminal block
4.
Torque wrench
AC terminal block
5.
Diagonal pliers
Cut cables
6.
Wire stripping pliers
Remove insulation of wires
7.
Crimping pliers
Crimp terminal
Table 2.11 - Torque Values
AC output terminal block
Internal grounding bar
Internal grounding stud
External grounding point
132 in-lbs (15 N.m.)
50 in-lbs (4 N.m.)
50 in-lbs (4 N.m.)
50 in-lbs (4 N.m.)
Figure 2.34 - AC cables’ crimp lug specification (a) Standard (b) Metric
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PVI 50/60 TL Installation and Operation Manual (Rev C)
1
L1
L2
L3
N
AC Output: Use 90¡ãC wire, either 3~2/0AWG copper or
2~2/0AWG aluminum, torque 110 in-lbs.
AC Ground: Use 90¡ãC copper wire, 6-4AWG for internal
grounding bar or external grounding stud , torque 50 in-lbs.
2
L1
L2
L3
N
AC Output: Use 90¡ãC wire, either 3~2/0AWG copper or
2~2/0AWG aluminum, torque 110 in-lbs.
AC Ground: Use 90¡ãC copper wire, 6-4AWG for internal
grounding bar or external grounding stud , torque 50 in-lbs.

For more details please see the user manual.
WARNING:
High touch current .
Earth connection essential before connecting supply.
Figure 2.35 - AC Output and Ground Cable Connections
(1) Use the OT type terminal to connect the AC (L1, L2, L3, N) cables to the terminal
block and connect the ground cable to the internal grounding bar inside the wiring
box. (See the first diagram in Figure 2.35)
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PVI 50/60 TL Installation and Operation Manual (Rev C)
OT type terminal,4pcs
Pre-insulated end ferrule
1pcs
Core wire
Pre-insulated end ferrule
Core wire
OT type terminal
Figure 2.36 - AC Output and Ground Cable setup
NOTICE:
Please connect the Ground cable before any AC cable.
It is required to use the AL9CU OT type terminal or equivalent if you chose
the aluminum cable for AC output.
(2) Use the OT type terminal to connect the AC (L1, L2, L3, N) cables to the terminal
block and use the OT type terminal to connect the ground cable to the external
grounding point at the bottom of the wiring box. (See the second diagram in Figure
2.35)
9.4 in. (237mm)
3.9 in.
(99mm)
COMM. PORT
Do not disconnect under load.
AC OUTPUT
PV 1
1
2
1
2
1
2
3
4
5
4
5
4
5
PV 2
3
PV 3
3
WARNING:
High touch current .
Earth connection essential
before connecting supply.

For more details please
see the user manual.
Figure 2-37 External Chassis Ground
NOTE: If you need a larger AC conduit hole, punch one by removing the AC output
adaptor plate and following the steps from Section 3: “DC Input Cable Connection”.
(3) Connecting the inverter to the grid would require a breaker.
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(4) The Grid connection type should be (L1, L2, L3, N, PE). A dedicated Neutral wire is
required for proper internal voltage balance.
Either a 3-pole or 4-pole AC circuit breaker should be selected as per the following
specifications. Choosing any other breaker size may result in nuisance tripping or
rejection from the AHJ.
Table 2.12 - Breaker Values
Inverter
AC breaker rated current(A)
PVI 50TL
80
PVI 60TL
100
NOTE: If you are using aluminum wires you need to follow the following steps to prep
each cable prior to connecting to the AC terminal block:
a) Using a utility knife, gently strip the top layer of the aluminum conductors
Figure 2-38 Preparing aluminum wires prior to connecting
b) After removing the oxidized layer immediately apply neutral grease (Noalox or acidand alkali-free Vaseline) and connect the cable immediately to the terminal. Perform
one cable at a time. If you need to stop the process before applying the grease, and
continue later- you will need to scrape it again. It takes 30-60 seconds for an oxidized
layer to form on top of the conductors.
Acceptable transformer configurations:
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PVI 50/60 TL Installation and Operation Manual (Rev C)
Table 2.13 – Transformer configurations
When interfacing with a Wye-grounded transformer winding, a neutral is required.
Since the neutral is used by the inverter for voltage sensing only, the neutral does not
carry current. The size of the neutral may be reduced to a conductor no smaller than
the EGC or 8 AWG, which is the smallest acceptable wire for the terminal block. Note
that if AHJ approves, you can install a jumper across the EGC and the Neutral terminal,
this will satisfy the inverter sensing purposes.
When installing multiple inverters for parallel operation connected to a single
transformer winding, the kVA rating of the transformer must be at least 5% greater
than the total connected inverters’ kVA rating. Up to 50 inverters may be connected in
parallel for use with a single transformer.
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PVI 50/60 TL Installation and Operation Manual (Rev C)
2.4 Inverter Communication Connections
The PVI 50/60TL inverter supports industry standard Modbus RS485 communications
for monitoring purposes. In addition to SolrenView and/or third party monitoring,
these inverters are also able to send data to an online portal which is used for
remote diagnostic purposes. This capability can be used by Yaskawa-Solectria Solar
for remote diagnostics, remote firmware upgrades and remote troubleshooting.
This function is performed by the Ethernet Network Card.
Each Ethernet Network Card can handle up to 32 inverters. If a site has more than 32
inverters, additional Ethernet Network Cards will be needed.
When a third party monitoring system is used, the DAS should be connected to the
Ethernet Network Card, and the Ethernet Network Card is then connected to the
inverters.
Each inverter has a Communication Board installed in the wiring box which is used to
daisy chain the inverters using RS485 for communication purposes. The Ethernet
Network Card should be mounted on the communications card of the first or last
inverter in the daisy chain.
The following sections describe an overview of the Communication Board and
Ethernet Network Card.
2.4.1
Communication Board:
Each inverter has a Communication Board (shown below) which is installed in the top
right corner of the wiring box. This board is used for daisy chaining inverters for
connection to the Ethernet Network Card.
Figure 2-39: Communication Board
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Below is a brief description of the communication board:
Table 2.14 – Communication Board Connections and Configuration Switches
Item
Picture
Configuration Description
GND
2
RS485 2
RS485 1
RS485 1
1
ON
OFF
S1
ON
OFF
S1
GND
1-----Disable the termination resistor
2-----Enable the termination resistor
RS485-
3. Selector switch for
setting the 120Ω
termination resistor of
the RS485
communication
S1
RS485+
2. RS-485 ports
(5pin connector)
1 -----12V+
2 -----12VGND
3 -----RS4854 -----RS485+
5 -----COM
RS485-
Firmware upgrade via USB drive
RS485+
1. USB port S200
Figure 2-40 - Communication Connections
1- Cable connection of RS485 communication: 5 pin connector
2- Cable connection of RS485 network communication: 5 pin connector
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2.4.2
Ethernet Network Card:
A maximum of 32 inverters can be connected to this device. When provided with an
internet connection, it can send data to an online portal which Solectria can use for
troubleshooting and remote diagnostic purposes. It is also used for allowing the
rd
connection of a 3 party monitoring system.
Customers are required to provide internet to the Ethernet Network Card in order
for it to be used for remote diagnostic purposes. Once connected, Solectria can
remotely check inverter parameters (currents, voltages, parameter settings, etc.) and
alarm messages. Solectria can also use this device to remotely update firmware on
all the inverters connected to it.
Below is a brief overview of the Ethernet Network Card:
Internal RS485
S4
S3
Ethernet Port
+ - GND
External RS485
Reset Switch
USB port
Figure 2-41: Ethernet Network Card
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PVI 50/60 TL Installation and Operation Manual (Rev C)
Table 2.15 – Overview of Ethernet Card
Item
Configuration Description and Function
Ethernet Port
USB Port
For connecting to the internet
Firmware upgrade via USB drive
1.RS485+
2. RS4853 .Ground
For RS485 communication with other inverters
For RS485 communication with the inverter
communication board
Selector switch for setting the 120Ω terminal
resistor of the third party data logger RS485
communication.
Selector switch for setting the 120Ω terminal
resistor of the RS485 communication between
the inverters.
When pressed for over 5sec, the inverter’s
Ethernet Network Card will be restored to the
factory setting.
External RS485
Internal RS485
S3 Switch
S4 Switch
Reset Switch
2.4.3 Modbus Connections for Third Party Monitoring Systems
The PVI 50/60TL inverters can be connected to an external Data Acquisition System
(DAS) via an RS485 shielded twisted pair serial connection as shown in Figure 2.42.
These inverters can communicate with an external monitoring system via the
standard Modbus RTU protocol.
Figure 2-42 - PVI 50/60TL Inverters in a RS-485 Daisy Chain Connection to an
External DAS
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S1 ON
S1 OFF
S4 ON
S3 ON

Figure 2-43 - PVI 50/60TL Inverters in a RS-485 Daisy Chain Connection to an
External DAS, connectors and termination resistance details
When connected to an external DAS, Solectria PVI 50/60TL inverters support up to 32
inverters/devices on the RS485 daisy chain. The Inverter Modbus IDs are configurable
from 1 to 128.

Yaskawa - Solectria Solar recommends limiting the RS485 daisy chain for PVI 50/60TL
inverters to a maximum length of 3000 ft. (914m). Additionally, no individual run should
be longer than 300 ft. (91.4m).

Care must be taken when daisy chaining the inverters, utilizing a shielded twisted pair
cable such as Belden 9841 or Southwire 58165802.

The shield continuity should be maintained for the entire length of the daisy chain and
should only be connected to ground (GND) at the DAS. The shield should not be
connected to any of the inverters to prevent any possible grounding loops.

It is important to terminate the Modbus (RS485) daisy chain correctly to minimize any
bus noise and reflections. The daisy chain should be terminated at the source (the DAS)
and at the last Modbus device in the daisy chain. The PVI 50-60TL Modbus termination
resistor is turned on by flipping switch S1 to the ON position as shown in Figure 2-45. S1
should always be left in the off position except for the last inverter in the daisy chain.

Non-serial, such as star or ring, network topologies should always be avoided.
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PVI 50/60 TL Installation and Operation Manual (Rev C)
Figure 2-44 Correct and incorrect topologies
It is important to daisy chain the inverter RS485 connections to minimize noise and
bus reflections. Any network topologies shown in the left column in figure 2.44 should
be avoided. Equivalent daisy chain topologies shown to the right should be used
instead.
WARNING:
Risk of Electric Shock.
Make sure all DC and AC power to the unit has been disconnected before
opening the inverter wiring box and ensure that hazardous high voltage and
power inside the equipment has been discharged. Wait at least 5 minutes
before opening the wiring box.
1. Open the inverter wiring box.
2. Bring the communication cables into the wiring box through the provided knockout
holes at the bottom.
3. Connect the RS-485 wires to the green 5 pin connector ensuring correct polarity and
using a shielded twisted pair cable.
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PVI 50/60 TL Installation and Operation Manual (Rev C)
4. If the inverter is the last Modbus device in the daisy chain and the inverter without the
Ethernet Network Card, make sure the Modbus termination switch S1 is in the ON
position, enabling Modbus termination. Ensure the switch is in the OFF position for all
other inverters in the daisy chain, including the one where the Ethernet Network Card
is installed.
S1 - Selector switch for the
120Ω RS-485 termination
resistor
On - Enable the Modbus
(RS-485) bus termination
(Applies only for the last
inverter in the daisy chain)
Off - Disable the Modbus
(RS-485) bus termination.
(Factory default)
Figure 2-45 - The Modbus (RS485) Termination Switch (S1) Location and Settings on the
LCD/Communication Board.
WARNING:
Risk of Electric Shock.
Make sure all shield wires are properly secured and insulated to prevent shorting
to any other components inside the inverter.
5.
6.
7.
Close the wiring box.
Reconnect the AC and DC power and turn the inverter on when it is safe.
Configure the Inverter Modbus ID and Baud rate.
2.4.2 Preparing the Inverter for Modbus Communications
To ensure correct Modbus communications, each inverter Modbus communications settings
need to be configured properly. Please follow the steps below to adjust the inverter Modbus ID
and Modbus Baud rate.
Please refer to “3.2 Commissioning Steps”
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PVI 50/60 TL Installation and Operation Manual (Rev C)
2.4.2 Installing the Ethernet Network Card
Figure 2-46 Communication card and location for Ethernet Network card
The Ethernet Network Card will be installed in the first or last inverter of the daisy chain.
1. Obtain the Ethernet Network Card that was shipped to you.
2. Remove the screws from the Communication Card and Install the included standoffs in the 3
locations shown.
3. Install the Ethernet Network Card, taking care to line up the black connector in the upper left
corner on the pins of the Communication Card. Ensure the pins are seated in the connector.
Install the 3 screws and torque to 7 in-lbs using #2 Phillips bit.
Figure 2-47 Ethernet Network card installed
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PVI 50/60 TL Installation and Operation Manual (Rev C)
2.4.3 Connecting the Ethernet Network Card to other inverters.
1. The connector in the upper left corner of the Ethernet Network Card allows for a
connection of the inverter daisy chain on the Communication Card.
2. Since the Ethernet Network Card acts as the end of the inverter daisy chain, termination
must be turned on. Set the termination resistor S4 to the ON position on the Ethernet
Network Card. Set the termination resistor S1 to the ON position on the Communication
Card in the inverter at the opposite end of the inverter daisy chain.
2.4.4 Connecting a 3rd Party Monitoring System to the Ethernet
Network Card
1. From the DAS, connect the RS485 to the 3 pin connector on the Ethernet Network Card.
Do not connect to the communication card.
2. Tighten all wires securely.
3. If the Ethernet Network Card is the last device in the DAS chain, set the termination
resistor S3 ON.
Connect
external RS485
(DAS) here
Figure 2-48 Ethernet Network wiring to DAS
2.4.5 Preparing the Ethernet Network Card
The Ethernet Network Card comes preset with DHCP settings. It will automatically
pull a dynamic IP address and connect to the Internet. If you need to assign a static
IP address please refer to the documentation provided with the board or go to
Solectria.com and search for “Ethernet Network Card”.
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PVI 50/60 TL Installation and Operation Manual (Rev C)
3.0: Commissioning
WARNING:
Please follow the guidelines below before on-grid operation to eliminate
possible dangers and to ensure safety.
Veuillez suivre les directives ci-dessous avant l'opération on-grid pour
éliminer les dangers possibles pour assurer la sécurité.
3.1 Commissioning Checklist
3.1.1 Mechanical Installation
Make sure that the mounting bracket is secure and all the screws have been tightened
to the specified torque values.
(Please refer to 2.2 Mechanical Installation)
3.1.2 Cable Connections
(a)
Make sure that all cables are connected to the right terminals.
(b)
The appropriate cable management is important to avoid physical damage.
(c)
The polarity of DC input cables should be correct and the DC Switch should be
in the “OFF” position.
(Please refer to 2.3 Electrical Installation)
3.1.3 Electrical Check
(a)
(b)
(c)
Make sure that the AC circuit breaker is appropriately sized.
Test whether the AC voltage is within the normal operating range.
Make sure the DC open circuit voltage of input strings is less than 1000V.
3.2 Commissioning Steps
Complete the checklist above before commissioning the inverter as follows:
1.) Turn on the AC circuit breaker.
2.) Turn on the DC circuit breaker.
(Skip this step if there is no circuit breaker.)
3.) Switch the DC Switch to the “ON” position. When the energy supplied by the PV
array is sufficient, the LCD of inverter will light up. The inverter will then start up with
the message “sys checking”.
4.) You may change the grid standard. The default setting is IEEE 1547.
INSTRUCTION:
Please check with your local electricity provider before selecting the grid
standard. If the inverter is operated with a wrong grid standard, the
electricity provider may cancel the interconnection agreement. Putting
the inverter into operation before the overall system complies with the
national rules and safety regulation of the application is not permitted.
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PVI 50/60 TL Installation and Operation Manual (Rev C)
(a) When the inverter completes “sys checking”, the LCD shows the screen as
Figure 3.1 below. Press ENTER to the standard selection interface, as shown in
Figure 3.1.
(b) The default grid standard is IEEE 1547. If a different standard is needed please
go to “Menu Functions” section for further instructions on how to change it.
Available grid standards are shown in
Grid Connection Rule
IEEE1547
Rule-21
HECO-HM
HECO-ML
Figure 3.1 - Select Grid Standard; ML-Molokai/Lanai; OHM- O`ahu, Maui, and
Hawai`i
5.) Set up the system time and language according to “4.4.2.1 System parameters”.
6.) To check the real time operation information, you can refer to “4.4.1 Operation
information”.
7.) Communication Parameter Setting: The communication baud rate and Modbus
address can be set in this menu (Figure 3.2):
Com setting
Baud: 9600
Addr: 32
P1/1
Figure 3.2 – Selecting Baud Rate and Modbus ID
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PVI 50/60 TL Installation and Operation Manual (Rev C)
8.) Time Setting: The date and time can be set as in Figure 3.3:
Time setting
Date: 2016–05 - 21
Time: 12 :21 :03
P1/1
Figure 3-3 Time Setting
9.) When the LCD screen shows the normal operation status (Figure 3.4) and the “RUN”
light on the LED panel lights up, it indicates that the grid connection and power
generation are successful.
E-total:
kWh
KWh
E-Today:
kWh
60
45
30
15
3
6
9
12
15
18
21
24
h
Running Status Cycle Display
Status Addr:000
2015-10-22 10:00:00
Figure 3.4 Normal Operation Status
REMARK: The Running status cycle display include: NoErr (Error information), Pdc(kW),
Udc(V), Idc(A), Pac(kW) and Q(kvar).
10.) If the inverter fails to operate normally, the “FAULT” light will illuminate and the
fault information will show on the LCD screen as shown in the Figure 3.5.
Current Fault
Num
Time&Date
Error Code
001
2015/10/22
12:20:08
W0130
002
2015/10/22
12:30:11
P0020
003
2015/10/22
13:20:08
F0140
004
2015/10/24
10:20:04
F0150
005
2015/10/24
09:31:08
W0130
006
2015/10/25
12:20:08
F0070
007
2015/10/25
16:11:18
P0360
008
2015/10/25
17:21:07
P0050
P1/1
Figure 3.5 Fault Information Interface
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4.0: User Interface
4.1 Description of the Interface
The inverter’s user interface screen mainly consists of LCD, LED indicator lights, buzzer
and 4 keys, as shown in Figure 4.1.
POWER
RUN
GRID
FAULT
Figure 4.1 - LCD
Interpretation for the indicator lights is shown in Table 4.1 and function of the keys is
shown in Table 4.2.
Table 4.1 - LED Indication
LED Indicator
Name
POWER
Working
power
light
RUN
GRID
DOCR-070645-E
Grid-tied
operation
indication
light
Grid
status
indication
light
Status
Light
on
Light
off
Light
on
Flash
Light
off
Light
on
Flash
Light
off
Indication
Energized (control panel starts to work)
Power supply not working
In grid-tied power generation state
Derated running status (light on 0.5s,
light off 1.6s)
In other operation status or power
supply not working
Grid is normal
Grid fault (light on 0.5s, light off 1.6s)
Power supply not working
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FAULT
Fault
status
indication
light
Light
on
Slow
flash
Fast
flash
Light
off
Indicates a Fault
Indicates Alarm (light on 0.5s, light off
2s)
Protective action (light on 0.5s, light off
0.5s)
No fault or power supply not working
Table 4.2 - Definition of the Keys
Key
Description
Definition of function
Escape key
Back/end/mute
Enter key
Confirm entering the menu/confirm set
value/Switch to parameter setting mode
Up
Page up in selection menu/+1 when
setting parameters
Down
Page down in selection menu/-1 when
setting parameters
4.2 Operation State
Table 4.1 describes the meaning of LED indicators (i.e. it indicates the inverter’s
operational state).

“POWER” will light up to indicate that the system is energized and
under DSP control.

“RUN” will light up when the inverter detects that the grid connection
conditions meet the requirements and power is fed into the grid. “RUN”
will blink if the grid is in de-rated running state during the period of
feeding power into the grid.

“GRID” will light up when the grid is normal during the operation of the
inverter. Otherwise, “GRID” will blink until the grid restores to normal.

“FAULT” will blink quickly as a fault (except grid fault) occurs. “FAULT”
will not turn off until the fault is eliminated. The light will blink slowly
when an alarm occurs. “FAULT” remains illuminated when an internal
fault occurs. The buzzer will give an alarm if a fault (involving power
grid fault) occurs.
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4.3 Interface Types
Users can perform the corresponding operations with the 4 function keys according to
the indications of the LCD.
(1) The LCD interface starts with the company logo once the system is energized,
as shown in Figure 4.2.
Yaskawa Solectria Solar
Initialization
Figure 4.2 - Logo Screen
(2) Indication of inverter operation mode:
E-total:
kWh
KWh
E-Today:
kWh
60
45
30
15
3
6
9
12
15
18
21
24
h
Running Status Cycle Display
Status Addr:000
2015-10-22 10:00:00
Figure 4.3 – Default Display Interface for Normal Operation
History
Num
Time&Date
Error Code
001
2015/10/22
12:20:08
W0130
002
2015/10/22
12:30:11
P0020
003
2015/10/22
13:20:08
F0140
004
2015/10/24
10:20:04
F0150
005
2015/10/24
09:31:08
W0130
006
2015/10/25
12:20:08
F0070
007
2015/10/25
16:11:18
P0360
008
2015/10/25
17:21:07
P0050
P1/1
Figure 4.4 – Fault Indication Interface
LCD will display different mode interfaces based on the operation modes of the
inverter. There are 3 operation modes: startup system check mode (as shown in
Figure 4.2), normal operation mode (as shown in Figure 4.3), and fault mode (as
shown in Figure 4.4).
The default interface mainly shows PV voltage, PV current, grid voltage, instant power,
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daily generated power and time information under normal operation.
The fault information of the most recent / currently present fault will be shown on the
LCD when the inverter is in fault mode.
4.4 Menu Functions
LCD displays “Main user interface” when the inverter is in operation mode. Press ESC
in this interface to escape the default interface and to enter the main operation
interface. The main operation interface is shown in Figure 4.5.
Main Menu
Measurement Data
Setting
Power On/Off
History Record
Device Information
Figure 4.5 - Main Menus on the LCD
The main operation interface of LCD screen has 5 menus, i.e. “1 Measurement Data”,
“2 Settings”, “3 Power ON/OFF”, “4 History Record”, and “5 Device Information”. The
users may select options with
and
, and then press ENT to confirm selection.
The users can return to the default indication interface by pressing ESC.
4.4.1 Measurement Data
When the cursor moves to “Measurement data” in the main screen, you should press
ENT to select the operation information as shown in Figure 4.6. Check the information
by pressing UP and DOWN. Return to the previous menu by pressing ESC.
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PV Information
Independent
PV Input Mode
PdcTotal(kW)
0.0
PV2
PV3
Vdc(V)
0.0
0.0
0.0
Idc(A)
0.0
0.0
0.0
PV1
P1/4
AC Output
L1-N
L2-N
L3-N
0.0
0.0
0.0
I(A)
0.0
0.0
0.0
F(Hz)
0.0
0.0
0.0
V(V)
Main Menu
Measurement Data
Pac(Kw)
0.0
P Ref
100.0%
PF Ref
1.000
Setting
Power On/Off
History Record
P2/4
Device Information
Energy
E-Today(kWh)
0.0
E-Month(kWh)
0.0
E-Total(kWh)
0.0
P3/4
Others
Heatsink Temp(℃)
-37.0
Ambient Temp(℃)
-49.9
Grid Connection Rule
IEEE1547
Power Derating
P4/4
Figure 4.6 – Measurement Data
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4.4.2 Setting
Move the cursor to “Settings” in the main interface. Press ENT, you will be asked for a
password. Enter the password: “1111”as shown Figure 4.7. Change the password
digits by pressing
and
. Then press ENT to input the next digit and Press
ENT to confirm the password or Press ESC return back to setting.
Password
Please enter password:
0 0 0 0
P1/1
Figure 4.7 – Password Screen for Settings Menu
Press ENT to confirm, and set the current system parameters, as shown in Figure 4.8.
There are 10 submenus in “Parameters Setting”: “1 System Parameters”, “2 Control
Command”, “3 Protection Parameters”, “4 L/HVRT Parameters”, “5 Active Derating
Setting”, “6 Reactive Derating Setting”, “7 ARC Parameters”, “8 Other Parameters”.
Setting
Setting
Others Parameters
System Parameters
Control Command
Protection Parameters
LVRT/HVRT Setup
Power Derating Setup
Reactive Power Derating Setup
ARC Parameters
P1/2
P2/2
4-8 System Settings Menu
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4.4.2.1 System Parameters
(1) “Language Setting” One language, i.e. English is available in “Language” menu.
(2) “Grid Rule”: There are four grid standards. Selecting the corresponding grid
standard and press ENT confirm the selection as shown in Figure 4-9.
Grid Connection Rule
IEEE1547
Rule-21
HECO-HM
HECO-ML
Figure 4-9 Setting Grid Rule
INSTRUCTION:
Please check with your local electricity supply company before selecting
the grid standard. If the inverter is operated with a wrong grid standard,
the electricity supply company may cancel the operation license.
Putting the inverter into operation before the overall system complies with
the national rules and safety regulation of the application is not permitted.
(3) “PV Input Mode”: The inverter can work only under “Independent Mode”
(4) “Com Setting”: In this interface you can set the address and baud rate for
communication.
(5) “Time”: Move the cursor to the “Time” set the system time. Press “
” or
“
” set the value, then press “ENT” to move to the next option. e.g.: Year to
Month. Finally Press “ENT” to confirm your selection.
(6) “LCD Contrast Setting”: Setting the LCD contrast grade.
4.4.2.2 Control Command
There are 8 submenus in the “Control Command”:
(1) “Restart” menu: If a fault shutdown happens, a severe fault may have occurred
inside the inverter. The user can perform a manual reboot once using this menu if
the user needs to restart the inverter.
INSTRUCTION:
This function is effective only when the fault “IntFault0010~0150” in the
troubleshooting table occurs. The inverter may return to normal operation
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automatically if alarm or protection faults occur. This function will not
respond when the inverter is in operation mode and a “FaultOperated”
alarm interface is indicated.
(2) “Factory Default” menu: The manufacturer’s default parameters value can be
restored when the inverter is not in operation mode. If you try to change the
parameters while the unit is operational “Fault Operated” will be displayed.
(3) “Auto Test” menu: Used for factory test only. Not intended to be used by the
user.
(4) “MPPT Scan” menu: “MPPTScan” is to execute the MPPT scanning manually.
Move the cursor to this item, and press ENT to initiate the scanning. The LCD screen
will skip to normal operation interface if the MPPT scanning succeeds, or remain on
the “MPPTScan menu” interface if the scanning fails.
MPPT scan function is used for multi-MPP point tracking, if the PV panels are partly
shadowed or installed with different angle. The factory default setting of MPPT scan
is Enabled, and it can also be Disabled. When the MPPT scan function is enabled, the
scan period is 60 minutes; the inverter will scan the maximum power point in the
MPPT range, according to below condition:
In independent mode, each input power is lower than 75% of the rated power
of each MPPT tracker.
Once this MPPT scan function is activated thru the LCD, it will search the
maximum power point at a voltage step of 5V in the MPPT range for full load,
and get the maximum power point.
(5) “ARC Detect” In the “Parameters Setting””Control Command” menu, execute
the “ARC Detect”, the inverter will stop working and test ARC.
Arcing check and protection is mainly divided into two parts, the Arcing check board
is responsible for detecting if there is arcing in the PV line, and sends the arcing
protection signal to the DSP in the control board. The control board “DSP” is
responsible for turning the inverter off the grid after receiving the arcing signal to
ensure safety. The arcing board failure will cause ‘arc board err’ shown on the LCD
and it will not connect to the grid until the arc board is OK. If there is Arcing fault, the
LCD displays the fault which can only be cleared manually.
(6) “ARC Clear” is used to clear the ARC fault. Move the cursor to this menu, and
press ENT. The operation result will appear on the LCD, ie. “Succeed” or “Failed”.
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4.4.2.3 Protect Parameters
In this interface you can change the Protect parameters of grid voltage, frequency
and recovery, etc., as shown in Figure 4-10. But you can’t enable/disable the function.
The protect parameters are shown in Table 4.3.
Grid Over Voltage Protection
GridVolMax1
Grid Low Voltage Protection
110.00%
Enable
88.00%
GridVolMin1
Enable
VolMaxTripT1(S)
1.00
VolMinTripT1(S)
2.00
GridVolMax2
120.00%
GridVolMin2
60.00%
Enable
Enable
VolMaxTripT2(S)
0.16
VolMinTripT2(S)
1.00
GridVolMax3
120.00%
GridVolMin3
45.00%
VolMaxTripT3(S)
0.16
VolMinTripT3(S)
0.16
Enable
Disable
P1/7
Grid Over Frequency Protection
GridFrqMax1(Hz)
P2/7
Grid Low Frequency Protection
60.5
GridFrqMin1(Hz)
59.5
FrqMinTripT1(S)
2.00
GridFrqMin2(Hz)
57.0
Enable
Enable
FrqMaxTripT1(S)
GridFrqMax2(Hz)
2.00
62
Enable
Enable
Setting
GridMaxTripT2(S)
0.16
GridMinTripT2(S)
0.16
System Parameters
GridFrqMax3(Hz)
62
GridFrqMin3(Hz)
57.0
FrqMaxTripT3(S)
0.16
FrqMinTripT3(S)
0.16
Disable
Control Command
Disable
Protection Parameters
LVRT/HVRT Setup
P3/7
Power Derating Setup
Grid Recovery
P4/7
Voltage Moving Average
Reactive Power Derating Setup
VolMax
107.92%
110.00%
VolMax
ARC Parameters
VolMin
90.00%
MaxTripT(S)
600.00
VolRecoveryT(S)
300.00
VolMin
88.00%
MinTripT(S)
600.00
Disable
P1/2
Disable
FrqMax(Hz)
60.3
FrqMin(Hz)
59.8
FrqRecoveryT(S)
300.00
P5/7
P6/7
Grid Voltage Balance
GridVolBalance
10.00%
Disable
P7/7
Figure 4.10 Protection Parameters Setting
REMARK: Switching between parameters is done by pressing
and
. Then
press “ENT” to select it, change the parameter value by pressing
and
then press “ENT” to send the parameter to inverter. The LCD will display new
parameters if the setting is successful. Otherwise the old parameters will display on
the LCD.
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Table 4.3 Protection Parameters (IEEE1547)
REMARK: Please contact Applications Engineering if you need to change any of the
voltage settings.
Grid Over Voltage Protection
Parameter name
GridVoltMax1
VoltMaxTripTime1(s)
GridVoltMax2
VoltMaxTripTime2(s)
GridVoltMax3
VoltMaxTripTime3(s)
Setup range (lower limit,
default & upper limit)
Threshold value of Level 1 Max.
{100.00%, 110.00%,
grid voltage
150.00%}
Threshold value of Level 1 Max.
{0, 1.00, 655}
grid trip voltage
Threshold value of Level 2 Max.
{100.00%, 120.00%,
grid voltage
135.00%}
Threshold value of Level 2 Max.
{0, 0.16, 655}
grid trip voltage
Threshold value of Level 3 Max.
{100.00%, 120.00%,
grid voltage
135.00%}
Threshold value of Level 3 Max.
{0, 0.16, 655}
grid trip voltage
Description
Grid Low Voltage Protection
Parameter name
GridVoltMin1
VoltMinTripTime1(s)
GridVoltMin2
VoltMinTripTime2(s)
GridVoltMin 3
VoltMinTripTime3(s)
Setup range (lower limit,
default & upper limit)
Threshold value of Level 1 Min.
{30.00%, 88.00%,
grid voltage
100.00%}
Threshold value of Level 1 Min.
{0, 2.0, 655.36}
grid trip voltage
Threshold value of Level 2 Min.
{30.00%, 60.00%,
grid voltage
100.00%}
Threshold value of Level 2 Min.
{0, 0.16, 655}
grid trip voltage
Threshold value of Level 3 Min.
{30.00%, 45.00%,
grid voltage
100.00%}
Threshold value of Level 3 Min.
{0, 1.2, 655}
grid trip voltage
Description
Grid Low Frequency Protection
Parameter name
GridFrqMin1
FrqMinTripT1(s)
DOCR-070645-E
Description
Protection threshold value of
Level 1 Min. grid frequency
Trip time of Level 1 Min. grid
frequency
Setup range (lower limit,
default & upper limit)
{54, 59.5, 60}
{0, 2, 655 }
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GridFrqMin2
FrqMinTripT2(s)
GridFrqMin3
FrqMinTripT3(s)
Protection threshold value of
Level 2 Min. grid frequency
Trip time of Level 2 Min. grid
frequency
Protection threshold value of
Level 3 Min. grid frequency
Trip time of Level 3 Min. grid
frequency
{54, 57, 60}
{0, 0.16, 655}
{54, 57, 60}
{0, 0.16, 655}
Grid Over Frequency Protection
Parameter name
GridFrqMax1
FrqMaxTripT1(s)
GridFrqMax2
FrqMaxTripT2(s)
GridFrqMax3
FrqMaxTripT3(s)
Description
Protection threshold value of
Level 1 Max. grid frequency
Trip time of Level 1 Max. grid
frequency
Protection threshold value of
Level 2 Max. grid frequency
Trip time of Level 2 Max. grid
frequency
Protection threshold value of
Level 3 Max. grid frequency
Trip time of Level 3 Max. grid
frequency
Setup range (lower limit,
default & upper limit)
{60, 60.5, 66}
{0, 2, 655}
{60, 62, 66}
{0, 0.16, 655}
{60, 62, 66}
{0, 0.16, 655}
Grid Recovery
Parameter name
VolMax(V)
VolMin(V)
VolRecoveryT(s)
FrqMax(Hz)
FrqMin(Hz)
FrqRecoveryT(s)
Description
Recovery Max threshold grid
voltage protection
Recovery Min threshold. grid
voltage protection
Recovery time of grid voltage
protection
Recovery Max threshold grid
Frequency protection
Recovery Min threshold. grid
Frequency protection
Recovery time of grid frequency
protection
Setup range (lower limit,
default & upper limit)
{80.00%, 107.92%,
135.00%}
{20.00%, 90.08%,
100.00%}
{0, 300, 655}
{54, 60.3, 66}
{48, 59.8, 60}
{0, 300, 655}
Grid Voltage Balance
DOCR-070645-E
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Parameter name
Description
Setup range (lower limit,
default & upper limit)
GridVolBalance
Threshold value of grid voltage
unbalance
(0.01%,10%,10%)
4.4.2.4 L/HVRT Parameters
“L/HVRT” is for setting the Low Voltage Ride-Through (LVRT) and High Voltage
Ride-Through (HVRT) parameters. Move the cursor to this item, and press ENT to set
the parameters. Set the parameters as shown in Figure 4.11, the LVRT curve as
shown in Figure 4.12 and the HVRT curve as shown in Figure 4.13.
LVRT Curve
LVRT Curve
LVRT Curve
0.00%
LVRTVol4
45.00%
LVRTVol7
LVRTTime1
0.00
LVRTTime4
10.50
LVRTTime7
20.50
LVRTVol2
0.00%
LVRTVol5
65.00%
LVRTVol8
83.00%
1.20
LVRTTime5
10.50
LVRTTime8
20.50
LVRTVol1
LVRTTime2
LVRTVol3
45.00%
LVRTVol6
LVRTTime3
1.20
LVRTTime6
83.00%
65.00%
20.50
Setting
P1/7
System Parameters
P2/7
P3/7
Control Command
HVRT Curve
Protection Parameters
HVRT Curve
HVRTVol1
125.00%
HVRTVol4
124.00%
HVRTVol7
HVRTTime1
0.00
HVRTTime4
12.50
HVRTTime7
12.50
HVRTVol2
125.00%
HVRTVol5
115.00%
HVRTVol8
115.00%
HVRTTime8
12.50
LVRT/HVRT Setup
Power Derating Setup
Reactive Power Derating Setup
HVRTTime2
0.80
HVRTTime5
12.50
HVRTVol3
124.00%
HVRTVol6
115.00%
HVRTTime3
0.80
HVRTTime6
ARC Parameters
P1/2
HVRT Curve
115.00%
12.50
P4/7
P5/7
P6/7
LVRT and HVRT Control
LVRTModeSetting
0
LVRTTripVolt
80.0%
LVRTPstReactiveI
150.0%
LVRTNegReactiveI
200.0%
HVRTModeSetting
0
HVRTTripVolt
110.0%
P7/7
Figure 4.11 L/HVRT Parameters Setting
Voltage N*rated
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
7,8
5
6
Through
3
4
Trip
1
2
2 4 6 8 10 12 14 16 18 20 22
Time/S
Figure 4.12 LVRT graph
DOCR-070645-E
Page 69 of 102
Voltage N*rated
Voltage PU (per unit)
1.3
1.25
1 2
3
4
1.2
1.15
Through
5,6,7,8
Trip
1.1
1.05
1
Time/S
2 4 6 8 10 12 14 16 18 20 22
Figure 4.13 HVRT graph
Table 4.4 LVRT and HVRT parameters
LVRT
Parameter name
LVRTVolt (1,2)
LVRTTime(1,2)
LVRTVolt (3,4)
LVRTTime(3,4)
LVRTVolt (5,6)
LVRTTime(5,6)
LVRTVolt (7,8)
LVRTTime(7,8)
Threshold value of Low voltage ride
through(first or second point)
Time of Level Low voltage ride
through(t first or second point)
Threshold value of Low voltage ride
through(third or fourth point)
Time of Level Low voltage ride
through(third or fourth point)
Threshold value of Low voltage ride
through(fifth or sixth point)
Time of Level Low voltage ride
through(fifth or sixth point))
Threshold value of Low voltage ride
through(seventh or eighth point)
Time of Level Low voltage ride
through(seventh or eighth point)
Setup range (lower limit,
default & upper limit)
{0%, 0%, 100%}
{0%, 0%, 100%}
{0, 0, 655}
{0, 1.2, 655}
{0%, 45%, 100%}
{0%, 45%, 100%}
{0,1.2, 655}
{0, 10.5, 655}
{0%, 65%, 100%}
{0%, 65%, 100%}
{0, 10.5, 655}
{0, 20.5, 655}
{0%, 83%, 100%}
{0%, 83%, 100%}
{0, 20.5, 655}
{0, 20.5, 655}
Threshold value of high voltage ride
{100%, 125%, 135%}
Description
HVRT
HVRTVolt(1,2)
DOCR-070645-E
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HVRTTime (1,2)
HVRTVolt(3,4)
HVRTTime (3,4)
HVRTVolt (5,6)
HVRTTime(5,6)
HVRTVolt (7,8)
HVRTTime(7,8)
through(first or second point)
{100%, 125%, 135%}
Time of Level high voltage ride
through(t first or second point)
Threshold value of high voltage ride
through(third or fourth point)
Time of Level high voltage ride
through(third or fourth point)
Threshold value of high voltage ride
through(fifth or sixth point)
Time of Level high voltage ride
through(fifth or sixth point))
Threshold value of high voltage ride
through(seventh or eighth point)
Time of Level high voltage ride
through(seventh or eighth point)
{0, 0, 655}
{0, 0.8, 655}
{100%, 124%, 135%}
{100%, 124%, 135%}
{0, 0.8, 655}
{0, 12.5, 655}
{100%, 115%, 135%}
{100%, 115%, 135%}
{0, 12.5, 655}
{0, 12.5, 655}
{100%, 115%, 135%}
{100%, 115%, 135%}
{0, 12.5, 655}
{0, 12.5, 655}
Threshold value of Low voltage trip
(70.0%,80.0%,100.0%)
LHVRT Control
LVRTTripVol
LVRTPstReactive1
LVRTNegReactive1
HVRTTripVol
DOCR-070645-E
The factor LVRT PositiveReactive
Current
The factor LVRT Negative Reactive
Current
(0.0%,150.0%,300.0%)
(70.0%,200.0%,100%)
Threshold value of high voltage trip (100.0%,110.0%,135.0%)
Page 71 of 102
4.4.2.5 Power Derating Setting
“Power Derating Setting” menu is to set the active power derating parameters
include active power derating, over frequency derating, low frequency derating and
high temperature frequency derating, etc. The parameters are shown in Table 4.5.
Power vs Friquency
OvrFrqMin(Hz)
60.4
OvrFrqMax(Hz)
61.4
OvrFrqSlop(Pn/s)
0.16%
RecovryFrq(Hz)
60.0
OvrFrqRecoveryT(S)
60
OvrFrqDeratingMode
0
P2/3
Active Power Derating
Setting
System Parameters
Control Command
CtrMode
0
Percentage
100.0%
Protection Parameters
LVRT/HVRT Setup
Power Derating Setup
Reactive Power Derating Setup
ARC Parameters
P3/3
P1/2
Power vs Voltage
OvrVoltTrip
110.00
%
OvrVolSlop(Pn/s)
0.0%
OvrVolFilterT(s)
60
Disable
P1/3
Figure 4-14 Active Power Derating
Table 4.5 Active Power Derating Settings
Voltage-Watt Over
Description
Setup range (lower limit,
default & upper limit)
OvrVoltTrip
Threshold value of grid over
voltage derating
{480,528,648}
OvrVoltSlop
Slope of grid over voltage derating
{0,0,1}
Parameter name
DOCR-070645-E
Page 72 of 102
OvrVoltFilterT(s)
Recovery time of grid over voltage
derating
{1,60,90}
Grid Over Frequency Derating
Parameter name
Setup range (lower limit,
default & upper limit)
Description
Min Threshold value of grid over
Frequencyderatingstarted
Max Threshold value of grid over
Frequencyderating over
Slop of grid over
Frequencyderating
Recovery value of grid over
Frequencyderating
Recoverytime of grid over
Frequencyderating
OvrFrqMin(Hz)
OvrFrqMax(Hz)
OvrFrqSlop
RecoveryFrq(Hz)
OvrFrqRecoveryT(s)
{60,60.2,72}
{60,61.4,72}
{0,0.16%,1}
{58.8,60,66}
{0,60,655}
4.4.2.6 Reactive Derating Setting
“Reactive Power Derating Parameters” menu is to set the Grid reactive power
derating parameters including PF parameters and Q parameters, etc. The parameters
are shown in Table 4.6
NOTE: The PF and Q value can be adjusted by remote software if “Remote” is
selected. Remote can be selected thru the Modbus map and the appropriate
register.
PF vs Voltage
Reactive Power vs Grid Voltage
pFSetValue
1.000
QuCurveU1
pFCurveP1
50.0%
QuCurveQ1
107.99%
0.0%
pFCurvepF1
1.000
QuCurveU2
110.00%
Setting
pFCurveP2
100.0%
QuCurveQ2
-50.0%
System Parameters
pFCurvepF2
-0.900
QuCurveU1i
92.01%
pFCurveTriVolt
100.00%
pFCurveUndoVolt
90.00%
Control Command
Protection Parameters
LVRT/HVRT Setup
QuCurveQ1i
0.0%
QuCurveU2i
90.00%
P1/4
P2/4
Power Derating Setup
Reactive Power vs Grid Voltage
Reactive Power Derating Setup
Grid Reactive Power Derating
QuCurveQ2i
50.0%
CtrMode
QuCurveTriPower
20.0%
Percentage
QuCurveUndoPower
5.0%
ARC Parameters
P1/2
P3/4
0
0.0%
P4/4
Figure 4-15 Reactive Power Derating
DOCR-070645-E
Page 73 of 102
(1) CtrMode: Set the control mode of reactive power
0: Disable dispatch mode
1: Remote dispatch mode
2: Local control, by Q
3: Local control, by PF
4: PF(P) curve
5: Q(U) curve
(2) PF Set: Set the PF value
NOTE: You can change the reactive power by adjusting the power factor
(3) PF(P) Curve:PF curve mode
NOTE: The power factor changes according to the power change, as shown in Figure
4-16:
INSTRUCTION:
The PF (P) Curve function is only available for IEEE-1547 grid standard.
PF
(PFCurveP1,PFCurvePF1)
Inductive
1
(P%)
-1
Capacitive
(PFCurveP2,PFCurvePF2)
Figure 4-16 PF(P) Curve Mode
(4) Q(U) Curve:Q(U) curve mode
Note: The reactive compensation changes according to the grid voltage change, as
shown in Figure 4.17.
INSTRUCTION:
The Q(U) curve function is only available for IEEE-1547 grid standards.
DOCR-070645-E
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Q(%)
(QuCurveU2i,QuCurveQ2i)
Inductive
+
(QuCurveU1,
QuCurveQ1)
(QuCurveU1i,
QuCurveQ1i)
_
U(V)
Capacitive
(QuCurveU2,QuCurveQ2)
Figure 4.17 Q(U) Curve Mode
The Table 4.6 lists the parameters of PF Set, PF(P) Curve and Q(U) Curve modes.
After you setup the parameters, press ENT to activate the modes.
Table 4.6 - Parameters of Reactive Power Control (IEEE-1547)
Grid Reactive Power Derating
Parameter name
Setup range (lower limit,
default & upper limit)
Description
PFSetValue
{-1,1,1}
Figure 4-14
PFCurveP1
{0,0.5,1}
Figure 4-14
PFCurvepF1
{-1,1,1}
Figure 4-14
PFCurveP2
{0,1,1}
Figure 4-14
PFCurvepF2
{-1,-0.9,1}
Figure 4-14
PFCurveTriVol(V)
{480,480,528}
PF curve trip voltage
PFCurveUndoVol(V)
{432,441.6,480}
PF curve revocation
voltage
QuCurveU1(V)
{480,518.4,528}
Figure 4-15
QuCurveQ1
{-1,0,1}
Figure 4-15
QuCurveU2(V)
{518.4,528,528}
Figure 4-15
QuCurveQ2
{-1,-0.5,1}
Figure 4-15
DOCR-070645-E
Page 75 of 102
QuCurveU1i(V)
{432,441.4,456}
Figure 4-15
QuCurveQ1i
{-1,0,1}
Figure 4-15
QuCurveU2i(V)
{384,432,441.4}
Figure 4-15
QuCurveQ2i
{-1,0.5,1}
Figure 4-15
QuCurveTriPower
{0.05,0.2,1}
Qu curve trip power
QuCurveUndoPower
{0.05,0.05,1}
Qu curve revocation
power
4.4.2.7 Arc Parameters
The ARC Parameters submenu is to enable/disable the ARC detection function and
set the ARC parameters. NOTE: always check with your AHJ before disabling this
function.
ARC Bandwith Setting
ARC Bandwith Setting
Bandwidth1
10K
Bandwidth2
StartFrq1
20K
StartFrq2
50K
Proportion1
25
Proportion2
25
Filter1
10K
20%
Filter2
20%
System Parameters
Threshold1(dB)
455
Threshold2(dB)
420
Control Command
SigPerApdLimit1(dB)
65
SigPerApdLimit2(dB)
60
Setting
Protection Parameters
LVRT/HVRT Setup
P1/4
Power Derating Setup
ARC Percentage Setting
Reactive Power Derating Setup
ARC Parameters
P1/2
30K
PctStartFrq2
0K
PctStartBW1
5K
PctStartBW2
Roughness1
Roughness2
EffectivePeriod
P2/4
ARC Others Parameters
PctStartFrq1
TestPeriod
7
ARCParaGro
up
0
ARCEnble
Enble
0K
60%
0%
6
P3/4
P4/4
Figure 4-18 ARC Submenu Parameters
4.4.2.8 Other Parameters
The Other Parameters submenu is to set parameters such as MPPT scan period,
nominal derating step, GFCI and DCI parameters. Press ENT and use
and
to set the parameters and enable/disable the function. Then press ENT to confirm
your selection. The parameters are shown in Figure 4.19 (Parameters in gray cannot
be changed)
DOCR-070645-E
Page 76 of 102
Others
Setting
Others Parameters
Others
PowerOnDelay(s)
5
PVSlowStartSlope
10.00%
ErrSoftStartP
0.16%
NormSoftStopP
6.00%
NormSoftStartP
4.00%
NormalDeratingStep
6.00%
Disable
Others
FaultPowerT(C)
95.0
Islang Protect
Enable
FaultEnvT(C)
83.0
Fan Detect
Enable
Enable
P1/5
Others
GFCIStaticValue(mA)
GFCIStaticT(s)
GFCIDynProFactor
P2/5
P5/5
Others
PVStarupVolt(V)
250
Enable
0.2
100.0%
Enable
330
MPPTScanPeriod(s)
3600
Enable
ISOProtection
140K
Enable
StartUPMinTemp(C)
-30.0
P2/2
DCIProtection1
0.50%
DCIProtectionT1(s)
10.00
DCIProtection2(mA)
950
DCIProtectionT2(s)
1.00
Enable
Disable
DuplicationGroup
0%
CtrParaGroup
4
PID Check Setting
0
P3/5
P4/5
Figure 4.19 Settings Menu Structure
DOCR-070645-E
Page 77 of 102
4.4.3 Power ON/OFF
A manual power cycle ON/OFF is required after any parameter change, after getting
an error message or updating the software. The unit will automatically go into the
OFF state. Press ESC or ENT to enter into the Main Menu, then press ENT and go to
the submenu “Power On/OFF”. Then move the cursor to “ON” and press ENT to start
the inverter, the inverter will start up normally and operate if the start-up conditions
are met.
Normally it is not necessary to turn OFF the inverter, but if this is needed, you can do
so from this menu simply by selecting “OFF” and pressing ENT to confirm.
4.4.4 History
Move the cursor to “4 History” in the main interface. Press ENT to check the history
information, as shown in Figure 4.20. There are 2 submenus in “2 History”: “Running
History” and “Fault Record”.
(1) The log can store up 100 running history messages in the “Running History”
menu.
(2) The log can store up 100 fault records in the “Fault Record” menu.
Current Error
Date
Time
Error
2015/10/22 12:20:08
ArcboardErr
2015/10/22 12:20:08
Fault0040
2015/10/22 12:20:08
2015/10/22 12:20:08
Fault0040
Fault0040
2015/10/22 12:20:08
Fault0040
History Record
P1/1
Current Error
Running Record
Running Record
Num
Fault Record
001
15/10/22
12:20:08
Fault
002
15/10/22
12:20:08
Standby
003
15/10/22
12:20:08
On-grid
004
15/10/22
12:20:08
Standby
005
15/10/22
12:20:08
Off-grid
006
15/10/22
12:20:08
SysStart
Date
Time
Event
P1/1
Fault Record
Time
Action
001
15/10/22
12:20:08
ON
ArcboardErr
002
Num
15/10/22
Date
12:20:08
ON
Fault0040
003
15/10/22
12:20:08
ON
Fault0040
004
15/10/22
12:20:08
ON
Fault0040
005
15/10/22
12:20:08
ON
Fault0040
Error
P1/1
Figure 4-20 History Menu and Submenu
DOCR-070645-E
Page 78 of 102
4.4.5 Device Information
Move the cursor to the main operation interface “Main Menu”. Press ENT and go to
sub menu “Device Information” and press ENT to check the device information as
shown in Figure 4-21.
Inverter information
Device Model: SCA60KTL-DO/US480
PVI-50/60TL
Device SN: 0 0000 0000 0000
Main Menu
DSP Ver:
01.00 0x505A
LCD Ver:
01.00
DSP Bootloader Ver: 01.00
Measurement Data
Setting
LCD Bootloader Ver: 01.00
MiniMCU Ver: 01.00
Power On/Off
P1/2
History Record
Device Information
Data Logger Information
Data Logger SN
IP
0 0000 0000 0000
0.0.0.0
Subnet Mask
Gateway
DNS Server
0.0.0.0
0.0.0.0
0.0.0.0
Address Range
P2/2
Figure 4-21 History Menu and Submenu
DOCR-070645-E
Page 79 of 102
5.0: Operation
5.1 Start-Up
Manual Start-up: Manual start-up is required after regulation setting change or
manual (fault) shut-down. Move the cursor from the main operation interface
to “Setting”. Press ENT and go to submenu “1 ON/OFF”. Then move the cursor to “ON”
and press ENT to start the inverter. The inverter will start up and operate normally if
the start-up conditions are met. Otherwise, the inverter will go to stand-by mode.
Automatic Start-up: The inverter will start up automatically when the output voltage
and power from the PV arrays meet the required values, AC power grid is normal, and
the ambient temperature is within allowable operating range.
5.2 Shutdown
Manual Shutdown: Normally, it is not necessary to shut down the inverter, but it can
be shut down manually if regulation setting or maintenance is required.
Move the cursor from the main operation interface to “4 Setting”. Press ENT and go to
submenu “1 ON/OFF”. Move the cursor to “OFF” and press ENT, and then the inverter
will shut down.
Automatic Shutdown: The inverter will be shut down automatically when the output
voltage and power of PV modules are lower than the required values, AC power grid
fails, or the ambient temperature exceeds the normal range.
5.3 Operation Mode
There are 4 operation modes. The following are corresponding indications for each
mode.
(1) System-check mode and logo for startup, as shown in Figure 5.1.
Figure 5.1 - System Self-Check Ongoing
This mode indicates that the inverter is checking whether it is ready for normal
operation after the manual start-up of inverter.
(2) Normal operation mode: Default indication interface for normal operation is
shown in Figure 5.2.
DOCR-070645-E
Page 80 of 102
E-total:
kWh
KWh
E-Today:
kWh
60
45
30
15
3
6
9
12
15
18
21
h
24
Running Status Cycle Display
Status Addr:000
2015-10-22 10:00:00
Figure 5.2 - Default Indication Interface for Normal Operation
In this mode, the inverter converts the power generated by PV modules to AC
continuously and feeds into the power grid.
(3) Standby mode, as shown in Figure 5.3:
The inverter will enter standby mode when the output voltage and power of PV
modules do not meet the startup conditions or PV voltage and input power are lower
than the set values. The inverter will check automatically whether it meets the startup
conditions in this mode until it turns back to normal mode. The inverter will switch
from standby mode to fault mode if a malfunction occurs.
E-total:
kWh
KWh
E-Today:
kWh
200
160
120
80
40
6
8
10
12
14
16
18
20
h
Running Status Cycle Display
Standby 485Addr
2015-10-22 05:00:00
Figure 5.3 - Inverter System in Standby Mode
(4) Fault mode, as shown in Figure 5.4.
The inverter will disconnect from the power grid and turn into fault mode when the
inverter or power grid fails. Check the specific cause in “Troubleshooting Table” (Table
6.2) according to the fault message displayed on the LCD and eliminate the fault
referred to in the instructions.
DOCR-070645-E
Page 81 of 102
Current Error
Date
Time
Error
2015/10/22 12:20:08
ArcboardErr
2015/10/22 12:20:08
Fault0040
2015/10/22 12:20:08
2015/10/22 12:20:08
Fault0040
Fault0040
2015/10/22 12:20:08
Fault0040
P1/1
Figure 5.4 - Fault Indication Interface
WARNING:
All installation and wiring connections should be performed by qualified
technical personnel. Disconnect the inverter from PV modules and the AC
supply before performing maintenance.
Do not work on the inverter until at least 5 minutes after disconnecting
all sources of DC and AC.
Toutes les installations et les connexions de câblage doivent être
effectuées uniquement par le personnel technique qualifié.
Débrancher l'onduleur de modules photovoltaiques et le grid électrique
avant l'entretien et la marche de l'équipement.
Ne pas utiliser ou entretenir l'onduleur jusqu'à au moins 5 minutes après
avoir débranché toutes les sources du côté C.C. et C.A.
5.4 Grid-Tied Power Generation
PVI 50/60TL series inverter has an automatic grid-tied power generation process. It
will check whether AC power grid meets the conditions for grid-tied power generation
constantly and test whether the PV array has enough energy. After all conditions are
met, the inverter will enter grid-tied power generation mode. While in the grid-tied
power generation mode, the inverter can detect the power grid at all times, and also
keep the photovoltaic array output in maximum power point tracking (MPPT) mode.
In case of any abnormity, the inverter will enter the protection program immediately.
In low light conditions when the PV power is not enough to keep the inverter in
operation, the inverter will enter standby mode. When the voltage of the PV array
changes and becomes stable and higher than the required set value, the inverter will
attempt to start grid-tied power generation again.
DOCR-070645-E
Page 82 of 102
6.0: Maintenance and Removal of Inverter
6.1 Fault Shutdown and Troubleshooting
6.1.1 LED Fault and Troubleshooting
When contacting Solectria for support please provide the serial number of the
inverter and the fault message. If the fault is regarding a voltage issue, please measure
the AC and DC voltage at the inverter prior to calling.
Please refer to the definition of LED lights in Table 4.1 and troubleshoot according to
Table 6.1.
Table 6.1 - Troubleshooting of LED Lights
LED fault status
Neither the “Power” LED nor the LCD
lights up.
The “GRID” LED is blinking.
The “RUN” LED turns off or “FAULT” LED
lights up.
Solutions
1. Turn off the external AC breaker
2. Switch the DC switch to “OFF”
position
3. Check the PV input voltage and
polarity
1. Turn off the external AC breaker
2. Switch the DC switch to “OFF”
position
3. Check whether the grid voltage
is normal and whether the cable
connection of AC side is installed
correctly and secure
Refer
to
Table
7.2
for
troubleshooting
6.1.2 LCD Fault and Troubleshooting
The inverter will be shut down automatically if the PV power generation system fails.
This can happen due to an output short circuit, grid overvoltage / under voltage, grid
over frequency / under frequency, high environmental temperature or internal
malfunction of the machine. The fault information will be displayed on the LCD. Please
refer to “Present Fault” for detailed operation.
The causes of a fault can be identified based on the faults listed in Table 6.2. Proper
analysis is recommended before contacting after-sales service. There are 3 types of
fault: alarm, protection and hardware fault.
DOCR-070645-E
Page 83 of 102
Table 6.2 - LCD Troubleshooting Table
Definition:
Communication inside inverter failed
1.CommErr
Alarm
2.ExtFanErr
3. IntFanErr
DOCR-070645-E
Possible causes:
Terminal block connecters of internal communication
wires have poor contact
Recommended solutions:
1.Observe for 5 minutes and see whether the alarm will
be eliminated automatically;
2.Turn off both AC and DC disconnect for 2 minutes and
reset the inverter;
3.Contact after-sales service personnel if the error
persists
Definition:
Cooling fan failure
Possible causes:
1.Fan is blocked;
2.Fan service life has expired;
3.Fan socket connecter has poor contact.
Recommended solutions:
1.Observe for 5 minutes and see whether the alarm will
be eliminated automatically;
2.Check for foreign objects on fan blades;
3.Turn off both AC and DC disconnect for 2 minutes and
reset the inverter;
4. Contact after-sales service personnel if the error
persists
Recommended solutions:
1.Observe for 5 minutes and see whether the alarm will
be eliminated automatically;
2.Check for foreign objects on fan blades;
3.Turn off both AC and DC disconnect for 2 minutes and
reset the inverter;
4. Contact after-sales service personnel if the error
persists
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Warn
Protection
Definition:
Internal alarm
Recommended solutions:
Warn0030
1.Observe for 5 minutes and see whether the alarm will
(EepromErr)
be eliminated automatically;
2. Contact after-sales service personnel if the error
persists
Recommended solutions:
1. Visually check the DC SPD device to see if its indicator
is red.
Warn0040 (DC SPD
2. If it is red, a surge has occurred and the SPD needs to
fault)
be replaced.
3. Contact after-sales service personnel to purchase a
replacement SPD or for additional information.
Recommended solutions:
1.Observe temperature display;
Warn0050
2. Turn off both AC and DC disconnect for 2 minutes and
(TempSensorErr) reset the inverter;
3. Contact after-sales service personnel if the error
persists
Warn0100 (AC SPD Recommended solutions:
fault)
1. Contact after-sales service personnel.
1. Restart inverter by recycle both AC and DC switches.
Wait for 1 minute between OFF and ON for all energy to
Protect0090
discharge.
(Bus over voltage)
2. Contact after-sales service personnel if the error
persists
Protect0070
1. Contact after-sales service personnel if the error
(Bus imbalance) persists
1. Restart inverter by recycle both AC and DC switches.
Protect0030
Wait for 1 minute between OFF and ON for all energy to
(Inverter Over
discharge.
Current)
2. Contact after-sales service personnel if the error
persists
1. Make sure the grid connection is good.
GridV.OutLim
2. Restart the inverter again.
1. Check the AC wires connection and AC frequency is in
range;
GridF.OutLim
2. Check the measurement value in LCD, if the grid
frequency is in limit, restart the inverter.
1. Restart inverter by recycle both AC and DC switches.
Protect0020
Wait for 1 minute between OFF and ON for all energy to
(Grid relay error)
discharge.
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2. Contact after-sales service personnel if the error
persists
1.Confirm that external ambient temperature is within
the specified range of operating temperature;
2.Check whether air inlet is blocked;
TempOver
3.Check whether fan is blocked;
(Over-temperature 4.Check whether the location of installation is
protection)
appropriate or not;
5.Observe for 30 minutes and see whether the alarm
will be eliminated automatically;
6.Contact after-sales service personnel
Protect0180
1. If the inverter can start up, then recalibrate.
(The sampling offset 2. Contact after-sales service personnel if the error
of DCI)
persists.
Protect0170
1. Contact after-sales service personnel if the error
(DCI high)
persists
Check wires of PV and ground:
1.Turn OFF AC switch to disconnect inverter from Grid.
2.Open fuse holders to de-couple PV strings from each
other. Test strings with string test set.
3.Add one PV string at a time, and start up inverter to
see if alarm occurs.
IsolationErr
4.If there is no alarm, turn OFF AC switch to disconnect
(Insulation resistance
from Grid and add in the next string. Start the inverter
low)
again.
5. Continue until you can find the string that triggers the
alarm. Trace wirings of faulted string to find any leakage
to Earth Ground.
6. Contact after-sales service personnel if the error
persists.
Check wires of PV and ground:
1.Turn OFF AC switch to disconnect inverter from Grid.
2.Open fuse holders to de-couple PV strings from each
other. Test strings with string test set
3.Add one PV string at a time, and start up inverter to
GFCIErr
see if alarm occurs.
(leakage current
4.If there is no alarm, turn OFF AC switch to disconnect
high)
from Grid and add in the next string. Startup inverter
again.
5. Continue until you can find the string that triggers the
alarm. Trace wiring of faulted string to find any leakage
to Earth Ground.
Protect0150
1. Restart inverter by recycle both AC and DC switches.
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(Mini MCU Fault)
Protect0110
(BUS over voltage
(firmware))
Protect0100
(The sensor fault of
leakage current)
PVxReverse
(PVx input reverse
connection x=1,2,3)
PVx Over current
(PVx Over current
x=1,2,3)
PV2VoltOver
((PVx Over Volt
x=1,2,3))
Protect0230
(Inverter open-loop
self-test fault)
ARC Protect
Arcboard Err
DOCR-070645-E
Wait for 1 minute between OFF and ON for all energy to
discharge.
2. Contact after-sales service personnel if the error
persists
1. Restart inverter by recycle both AC and DC switches.
Wait for 1 minute between OFF and ON for all energy to
discharge.
2. Contact after-sales service personnel if the error
persists
1. Restart inverter by recycle both AC and DC switches.
Wait for 1 minute between OFF and ON for all energy to
discharge.
2. Contact after-sales service personnel if the error
persists
1. Turn DC Switch OFF
2. Open Fuse holder to isolate PV strings
3. Use meter to find out which PV string is connected in
reverse polarity
4. Correct PV string connection
1. Check PV input Current .
2. Restart inverter by recycle both AC and DC switches.
Wait for 1 minute between OFF and ON for all energy to
discharge.
3. Contact after-sales service personnel if the error
persists
1. Measure voltage at DC terminals in wiring box and
compare with reading in Measurement menu. PV
voltage must be less than 1000V in open circuit
condition.
2. Contact after-sales service personnel if the error
persists
1. Restart inverter by recycle both AC and DC switches.
Wait for 1 minute between OFF and ON for all energy to
discharge.
2. Contact after-sales service personnel if the error
persists
1. Clear error from the LCD menu
2. Run Arc Fault Test from Settings Menu
3. Contact after-sales service personnel if the error
persists
1. Clear error from the LCD menu
2. Run Arc Fault Test from Settings Menu
3. Contact after-sales service personnel if the error
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persists
Fault0130
(Bus over total
voltage)
1. Restart inverter by recycle both AC and DC switches.
Wait for 1 minute between OFF and ON for all energy to
discharge.
2. Contact after-sales service personnel if the error
persists
Fault0110
(Bus imbalance)
1. Contact after-sales service personnel if the error
persists
Fault0100
(Grid relay fault)
Fault
Fault0090
(Dynamic leakage
current high)
1. Restart inverter by recycle both AC and DC switches.
Wait for 1 minute between OFF and ON for all energy to
discharge.
2. Contact after-sales service personnel if the error
persists
Check wires of PV and ground:
1.Turn OFF AC switch to disconnect inverter from Grid.
2.Open fuse drawers to de-couple PV strings from each
other. Test strings with string test set
3.Add one PV string at a time, and start up inverter to
see if alarm occurs.
3.If there is no alarm, turn OFF AC switches to
disconnect from Grid and add in the next string. Startup
inverter again.
4. Continue until you can find the string that triggers the
alarm. Trace wiring of faulted string to find any leakage
to Earth Ground.
1. Restart inverter by recycle both AC and DC switches.
Fault0080
Wait for 1 minute between OFF and ON for all energy to
(Bus Hardware over discharge.
current fault)
2. Contact after-sales service personnel if the error
persists
Fault0060
(CPLD Fault)
DOCR-070645-E
1. Restart inverter by recycle both AC and DC switches.
Wait for 1 minute between OFF and ON for all energy to
discharge.
2. Contact after-sales service personnel if the error
persists
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Fault0020
(Bus over volt
Hardware)
1. Restart inverter by recycle both AC and DC switches.
Wait for 1 minute between OFF and ON for all energy to
discharge.
2. Contact after-sales service personnel if the error
persists
1. Restart inverter by recycle both AC and DC switches.
Fault0150
Wait for 1 minute between OFF and ON for all energy to
(Open-loop self-check discharge.
failure)
2. Contact after-sales service personnel if the error
persists
INSTRUCTION:
*The actual display of “PV.VoltOver” is “PV1VoltOver” or “PV2VoltOver”
or “PV3VoltOver”.
*The actual display of “PV.Reverse” is “PV1Reverse” or “PV2Reverse” or
“PV3Reverse”.
DANGER:
Please disconnect the inverter from AC grid and PV modules before
opening the equipment. Make sure hazardous high voltage and energy
inside the equipment has been discharged.
Do not work in the inverter until at least 5 minutes after disconnecting
all sources of DC and AC.
Veuillez débrancher l'onduleur du grid C.A. et des modules
photovoltaiques avant l'ouverture de l'équipement. Assurez-vous que la
haute tension et l'énergie dangereuses à l'intérieur de l'équipement a été
déchargée.
Ne pas utiliser ou entretenir l'onduleur jusqu'à au moins 5 minutes après
avoir débranché toutes les sources du côté C.C. et C.A
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6.2 Product Maintenance
6.2.1 Check the Electrical Connection
Check all the cable connections as a regular maintenance inspection every 6 months
or every year.
1.) Check the cable connections. If loose, tighten all the cables according to “2.3
Electrical Installation”.
2.) Check for cable damage, especially whether the cable surface is scratched or
smooth. Repair or replace the cables if necessary.
6.2.2 Clean the Air Vent Filter
The inverter can become hot during normal operation. It uses built in cooling fans to
provide sufficient air flow to help in heat dissipation.
Check the air vent regularly to make sure it is not blocked and clean the vent with a
soft brush or vacuum if necessary.
6.2.3 Replace Cooling Fans
If the internal temperature of the inverter is too high or abnormal noise is heard
assuming the air vent is not blocked and is clean, it may be necessary to replace the
external fans. Please refer to Figure 6.1 for replacing the cooling fans.
(1) Use a No.2 Phillips head screwdriver to take off the 10 screws on the fan tray (6
screws on the upper fan tray, and 4 screws on the lower fan tray).
(2) Disconnect the waterproof cable connector from the cooling fan.
(3) Use a No.2 Phillips head screwdriver to take off the screws.
(4) Fix the new cooling fan on the fan tray, and fasten the cable on the fan tray with
cable ties
Torque value: 8 in-lbs (0.8-1N.m)
(5) Install the assembled fans back to the inverter.
Torque value: 10 in-lbs (1.2N.m)
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1
2
3
45
4
6
50~60mm
mm
Figure 6.1 - Replace Cooling Fans
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6.2.4 Replace the Inverter
Please confirm the following before replacing the inverter:
(1) The inverter is turned off.
(2) The DC switch of the inverter is turned to OFF position.
Afterwards replace the inverter according to the following steps:
a.) Unlock the padlock if it is installed on the inverter.
Figure 6.2 - Unlock the Padlock
b.) Use a No. 2 Phillips or No. 10 wrench head screwdriver to unscrew the 2 screws on
both sides of the inverter.
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Figure 6.3 - Remove the Screws on Both Sides
c.) Use a No. 10 Hex wrench to remove the 4 screws between the main section and
the wiring box. Lift up the main section and disconnect from the wiring box.
Figure 6.4 - Disconnect the Main Section from the Wiring Box
d.) Use a No.2 Phillips head screwdriver to remove the 2 screws on the left side of the
wiring box, and take off the cover board. Put the board on the connector of wiring
box.
Torque value: 10 in-lbs (1.2N.m)
Figure 6.5 - Install the Cover Board on the Connector of the Wiring Box
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6.3 Uninstalling the Inverter
Uninstall the inverter according to the following steps when the service is due or for
other reasons:
DANGER:
Please disconnect the electrical connection in strict accordance with the
following steps. Otherwise, the inverter will be damaged and the service
personnel’s life will be endangered.
Veuillez débrancher la connexion électrique en stricte conformité avec
les étapes suivantes. Sinon, l'onduleur sera endommagée et la vie du
personnel de service sera mise en danger.
1.) Turn off the AC breaker and use Padlocks if provided.
2.) Turn off the DC breaker and use Padlocks if provided.
(Skip this step if there is no DC circuit breaker.)
3.) Switch the AC switch to “OFF” position.
4.) Switch the DC switch to “OFF” position.
5.) Wait for 10 minutes to ensure the internal capacitors have been completely
discharged.
6.) Measure the AC output cable terminal voltage against ground and make sure
the voltage is 0V.
7.) Disconnect the AC and EGC cables referring to “2.3.2 AC and Ground
Connection”.
8.) Disconnect the DC cables referring to “2.3.1 DC Connection”.
9.) Uninstall the inverter using the reverse of its installation steps referring to “2.2
Mechanical Installation”.
7.0: Product Warranty and RMA Policy
The current warranty and RMA statement for the product is available online at
http://www.solectria.com/support/documentation/warranty-information/grid-tied-i
nverter-warranty-letter/ . If you do not have access to the internet or to request a
copy to be mailed to you, please contact our Technical Service department
978-683-9700 x 2.
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8.0: Technical Data
Model Name
PVI 50TL
PVI 60TL
75kW (25kW/MPPT)
90kW (30kW/MPPT)
51.5kW
61.5kW
DC Input
Max. PV Power
Nominal DC Input Power
1
Max. DC Input Voltage
Operating DC Input
2
Voltage Range
Start-up DC Input Voltage
/ Power
Number of MPP Trackers
MPPT Voltage Range
1000Vdc
200-950Vdc
330V/80W
3
480-850Vdc
Operating Current(Imp)
540-850Vdc
3*36A
Short Circuit Current (Isc)
3*38A
3*60A
Number of DC Inputs
15 inputs, 5 per MPPT
DC Disconnection Type
Load rated DC switch
AC Output
Rated AC Output Power
50kW
60kW
Max. AC Output Power
50KVA
60KVA
Rated Output Voltage
Output Voltage Range
480Vac
3
422-528Vac
Grid Connection Type
Nominal AC Output
Current @480Vac
Rated Output Frequency
Output Frequency Range
Power Factor
Current THD
AC Disconnection Type
3Φ/PE/N
61A
73A
60Hz
4
57-63Hz
>0.99 (±0.8 adjustable)
<3%
Load rated AC switch
System
Topology
1
2
3
4
Transformerless
Exceeding the Max. DC Input Voltage may cause permanent damage to the equipment.
Exceeding the Max. DC Input Voltage may cause permanent damage to the equipment.
The Output Voltage Range may differ according to specific grid standard.
The Output Frequency Range may differ according to specific grid standard.
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Max. Efficiency
99.0%
CEC Efficiency
Stand-by / Night
Consumption
Environment
98.5%
Protection Degree
Cooling
Operating Temperature
Range
Operating Humidity
Operating Altitude
<30W / <2W
TYPE 4X
Variable speed cooling fans
-22°F to +140°F / -30°C to +60°C (derating from +122°F
/ +50°C)
0-95%, non-condensing
13123.4ft / 4000m (derating from 9842.5ft / 3000m)
Display and Communication
Display
Communication
LCD + LED
Standard: RS485 (Modbus RTU)
Optional: TCP/IP card
Mechanical Data
Dimensions (HxWxD)
Weight
Orientation**
Safety
PV Arc-Fault Circuit
Protection
Safety and EMC Standard
Grid Standard
39.4”×23.6”×10.24”
inverter:123.5lbs/56kg; wirebox:33lbs/15kg
0 - 90 degrees from horizontal
Type 1
UL1741:2010,UL1699B, CSA-C22.2 NO.107.1-01,
IEEE1547, FCC PART15
IEEE1547,Rule 21,HECO/Rule14H
*The "Output Voltage Range" and "Output Frequency Range" may differ according
to specific grid standard.
**Shade cover accessory required for installation angles of 75 degrees or less.
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NOTE 1: When the DC input voltage is lower than 540V (for PVI 60TL) and 480V (for PVI 50TL)
or higher than 850V, the inverter begins derating, as shown in Figure 7.1 and Figure 7.2.
PInx/PInn
110%
100%
80%
0.8%/V
60%
40%
37%
20%
540
100 200
300
400 500
600
850
950 1000
PV Voltage (V)
Figure 7.1 - PVI 60TL Derating Curve of PV Input Voltage
PInx/PInn
110%
100%
80%
0.8%/V
60%
40%
37%
20%
480
100 200
300
400 500
600
850
950 1000
PV Voltage (V)
Figure 7.2 - PVI 50TL Derating Curve of PV Input Voltage
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NOTE 2: When the ambient temperature is higher than 113°F (45°C), the output
power may begin derating. For DC voltage as shown in Figure 7.3:
Output
Power
Celsius
Figure 7.3 - PVI 50/60TL Derating Curve with High Temperature
Note: At 60 degrees C the inverter is likely to shutoff. Depending on various factors like
angle of installation, air flow and others, the thermal shutdown may occur at higher
temperature like 61-63 degrees C. For designing and modelling purposes one should
consider shut down at 60 degrees C.
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NOTE 3: When the altitude is higher than 9843ft (3000m), the power of the inverter
will start derating, as shown in Figure 7.3:
Po/Pn
Pin/Pn
100%
-30%/km
70%
3000
4000
Altitude(m)
Figure 7.4 - PVI 50/60TL Derating Curve with High Altitude
NOTE 4: The inverter can output the AC power with full loads within 100%~110% of
the rated grid voltage. When the grid voltage is lower than rated voltage, the output
current will be limited within the allowable maximum current.
Po/Pn
100%
80%
60%
40%
20%
Un
480
1.1*Un
528
Grid Voltage (Vac)
Figure 7.5 - PVI 50/60TL Derating Curve of Grid Voltage
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PVI 50-60TL Installation and Operation Manual
PVI Series Inverters
9.0: Accessory Options
The PVI 50/60TL has several orderable options that allow the inverter to support a
wide range of real life applications.
9.1
Fuse Bypass
OPT-FUSEBYPASS-PVI-50-60TL allows customers to combine the DC inputs outside of
the inverter and enter with only one or two combined inputs. Torque the provided
hardware to 16 in-lbs (1.8 N.m). Note that the negative inputs are combined already.
The unit is separated on the positive input.
Figure 8.1 – Fuse Bypass Three Inputs (Three Independent MPPTs)
Bypass Input Terminal Instructions:
1. Remove the protection cover.
2. Use a No. 2 Phillips head screwdriver to install the bypass input terminals, 3 sets,
torque value of 14 in-lbs (1.6 N.m.).
3. Use a No. 10 wrench to screw DC input cable on the bypass input terminals, torque
value of 50 in-lbs (6.0 N.m.).
4. Reinstall the protection cover.
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PVI 50-60TL Installation and Operation Manual
9.2
PVI Series Inverters
Shade Cover
OPT-SHADECOVER-PVI-50-60TL is specifically designed for inverters mounted at a
30-degree tilt angle or lower. It protects the inverter from harsh weather and direct
sunlight/extremely hot temperatures while reducing thermal gain on the inverter
and increasing energy production.
Figure 8.4 –Shade Cover Installation; Steps 1 and 2
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PVI 50-60TL Installation and Operation Manual
PVI Series Inverters
Install top bracket as
shown. Nuts M10- 2 pcs.
Torque to 50 in-lbs (5.6
N.m).
Install bottom bracket as
shown. Screws M6x16- 4
pcs.
Torque to 25 in-lbs (2.8
N.m).
Figure 8.4 –Shade Cover Installation; Steps 3 and 4
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PVI 50-60TL Installation and Operation Manual
PVI Series Inverters
Appendix A – PVI 50/60TL Datasheet
https://solectria.com/support/documentation/inverter-datasheets/pvi-50tl-pvi-60tltransformerless-3-ph-string-inverters-datasheet/
Appendix B – String Sizing Tool
http://solectria.com/support/string-sizing-tool/
Appendix C – Contact Information
Yaskawa – Solectria Solar
360 Merrimack Street
Lawrence, Massachusetts 01843
USA
Tel:
Fax:
Sales/General Info:
Technical Support & Service:
Website:
978.683.9700
978.683.9702
inverters@solectria.com
978.683.9700 ext.2
www.solectria.com
Appendix D – Authorized Distributors
http://www.solectria.com/products/how-to-buy/
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PVI 50-60TL Installation and Operation Manual
PVI Series Inverters
Appendix E – UL 1741 / UL 1699B/ IEEE 1547 / CSA 22.2#107.1
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