YASKAWA SOLECTRIA XGI 1500 Series Operating instructions

Commercial 1500VDC String Inverter
SOLECTRIA XGI™ 1500
Installation and Operation Guide
Models: XGI 1500-125/125 XGI 1500-125/150
XGI 1500-150/166 XGI 1500-166/166

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Table of Contents
IMPORTANT SAFETY INSTRUCTIONS .................................................................................................... 4
1
Hazard Symbols .................................................................................................................................. 4
1.1
Symbols on Labels .............................................................................................................................. 4
1.2
General Safety Messages ................................................................................................................... 5
1.3
Status Panel ........................................................................................................................................ 6
1.4
Overview .................................................................................................................................................... 7
2
Inverter Overview ................................................................................................................................ 7
2.1
Inverter Placement ............................................................................................................................ 10
2.2
Unpacking ......................................................................................................................................... 11
2.3
Installation ................................................................................................................................................ 11
3
Installation Sequence ........................................................................................................................ 11
3.1
Inverter Size, Spacing and Mounting ................................................................................................. 12
3.2
Wiring ................................................................................................................................................ 15
3.3
Transformer Configuration ................................................................................................................. 19
3.4
Equipment Grounding ........................................................................................................................ 20
3.5
AC Connections ................................................................................................................................ 21
3.6
AC Breaker Specifications ................................................................................................................. 22
3.7
DC Connections ................................................................................................................................ 23
3.8
DC Connection Using the XGI Remote or Attachable Combiner ........................................................ 24
3.9
DC Connection Using the XGI Attachable Combiner Box .................................................................. 26
3.10
Antenna Mounting ............................................................................................................................. 28
3.11
Replace Wiring Box Cover ................................................................................................................ 28
3.12
Startup and Verification Test .................................................................................................................... 29
4
Startup Checklist ............................................................................................................................... 29
4.1
Startup Steps..................................................................................................................................... 29
4.2
Commissioning Test .......................................................................................................................... 30
4.3
Communications and User Interface ......................................................................................................... 31
5
Communications Network .................................................................................................................. 31
5.1
Connecting Multiple Inverters ............................................................................................................ 31
5.2
Third-Party Data Acquisition System (DAS) Connection .................................................................... 33
5.3
Wireless Set Up ................................................................................................................................. 33
5.4
Inverter List ....................................................................................................................................... 35
5.5

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Menu Screens ................................................................................................................................... 39
5.6
Inverter Configurations ...................................................................................................................... 41
5.7
Inverter Settings ................................................................................................................................ 46
5.8
Wi-Fi Configuration ............................................................................................................................ 52
5.9
User Access Management................................................................................................................. 53
5.10
SolrenView Monitoring Configuration ................................................................................................. 54
5.11
Event and Fault Logs ......................................................................................................................... 55
5.12
Edit Inverter List ................................................................................................................................ 55
5.13
System Test ...................................................................................................................................... 56
5.14
Firmware Update ............................................................................................................................... 57
5.15
First Time Startup Wizard .................................................................................................................. 58
5.16
Operation ................................................................................................................................................. 59
6
Inverter Start-Up ................................................................................................................................ 59
6.1
Inverter Shutdown ............................................................................................................................. 59
6.2
Maintenance and Troubleshooting ............................................................................................................ 60
7
Event Codes ...................................................................................................................................... 60
7.1
Regular Preventative Maintenance .................................................................................................... 65
7.2
Specifications ........................................................................................................................................... 69
8
8.1 General Specifications ....................................................................................................................... 69
8.2 Enclosure .......................................................................................................................................... 69
8.3 Voltage and Frequency Limits and Trip Times ................................................................................... 70
8.4 Temperature and Altitude .................................................................................................................. 71
Options ..................................................................................................................................................... 73
9
9.1 Attachable Combiner Box (Optional) ................................................................................................. 73
9.2 Remote Combiner (Optional) ............................................................................................................. 75
Appendix ............................................................................................................................................... 76
10
10.1 Warranty and RMA Instructions ......................................................................................................... 76
10.2 Yaskawa Solectria Solar Contact Information .................................................................................... 76
10.3 Authorization to Mark ......................................................................................................................... 77

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IMPORTANT SAFETY INSTRUCTIONS
1
Hazard Symbols
1.1
Table 1-1 Hazard Symbols
DANGER indicates a hazardous situation, which, if not avoided, will result in serious
injury or death.
WARNING indicates a hazardous situation, which, if not avoided, could result in serious
injury or death.
CAUTION indicates a hazardous situation, which, if not avoided, will result in minor or
moderate injury.
NOTICE indicates a hazardous condition, which, if not avoided, could result in equipment
working abnormally or property loss.
INFO indicates important supplementary information to use the product effectively.
Symbols on Labels
1.2
Table 1-2 Explanation of Symbols
AC Signal
DC Signal
Equipment Ground
AC Power Phase
Off
On
Refer to Operating Instructions
Caution: Risk of Electric Shock
Caution: Risk of Electric Shock
Timed Discharge

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General Safety Messages
1.3
Electric Shock Hazard
Components with hazardous voltage and energy will electrocute operator. Operator shall
avoid touching live components with hazardous voltage and energy.
Unqualified Operator Hazard
Operator may cause a hazardous situation by making incorrect installation or wiring
connections. A qualified technician shall do all installation and wiring connections to
comply with all local, national, or country specific guidelines for safety.
Electrical Shock Hazard
Operator may contact components with hazardous voltage and energy. Use proper
safety equipment including Personal Protective Equipment (PPE) when de-energizing
the unit. De-energize the unit, wait 5 minutes, and verify the absence of voltage before
opening the equipment or removing any protective shields.
General Damage to Equipment
Attempting to service the inverter improperly may result in damage. Contact Yaskawa
Solectria Solar Technical Support for maintenance.
Read and Follow Instructions
Failure to read and follow instructions may void the warranty. Install the inverter
according to the instructions in this manual.
SAVE THESE INSTRUCTIONS
This manual contains instructions for models:
XGI 1500-125/125
XGI 1500-125/150
XGI 1500-150/166
XGI 1500-166/166

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Status Panel
1.4
The status panel consists of five LEDs that provide useful information to the user regarding the function of the
inverter. LEDs are shown in Figure 1-1 and defined in Table 1-3.
Figure 1-1 Status Panel
Table 1-3 Explanation of Symbols on Status Panel
Ready (Yellow)
On: Inverter is initialized and ready to operate
Off: Inverter is not ready to operate
Network and Communication (Yellow)
On: Network and communication services are working properly
Off: Network and communication services are offline
Power (Yellow)
On: Inverter is generating AC power
Off: Inverter is not generating AC power
Maintenance (Yellow)
On: Inverter needs maintenance or service
Off: Inverter does not need maintenance or service
Power Fault (Red)
On: Power fault that needs service and may be a hazard
Off: There is no power fault

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Overview
2
Inverter Overview
2.1
A solar inverter converts DC power from solar modules to AC power, and exports it to the electrical grid as
shown in Figure 2-1. The SOLECTRIA XGI 1500 is a state-of-the-art inverter designed and made in the USA
using global components and is compliant with the Buy American Act.
Figure 2-1 Inverter Usage
2.1.1 Inverter Features
 High conversion efficiency using 3-level conversion technology.
o Max efficiency: 99.0%
o CEC efficiency: 98.5%
 Grid adaptability
o Supports multiple grid standards
o Certified to UL1741SA for CA Rule 21 compliance
o Adjustable reactive power
o Adjustable power factor (PF) ±0.85
o Remote power curtailment
 Ethernet connectivity
 Wi-Fi accessible user interface
 Protective enclosure: NEMA 4X rated enclosure allows for outdoor use.
 Flexible design: The SOLECTRIA XGI 1500 series inverters provide a flexible solution for both
distributed and centralized “virtual central” system architecture. Two optional versions of combiners are
offered: the Attachable Combiner (CA-XGI1500 series) and the Remote Combiner (CR-XGI1500
series) with 16, 20, 24, 26, or 28 fuse positions.

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2.1.2 Inverter Protection Features
 Short-circuit protection
 Anti-islanding protection
 Input and output surge protection
 Input over-current protection
 Self-monitoring variables:
o DC input insulation resistance with respect to ground
o AC output voltage and frequency
o Leakage current to ground
o DC injection in AC output
o Internal ambient temperature
o IGBT module temperature
2.1.3 Communication Overview
Users can communicate with the SOLECTRIA XGI 1500 using a Wi-Fi-enabled smart device, such as a laptop,
tablet, or smartphone. The SOLECTRIA XGI 1500 monitors internal variables (see Section 5.6.1). These data
are sent via a modem or gateway to the Internet cloud. In the cloud, these data are stored on the SRV server
where they can be accessed by the end user (additional fee applies). Add-ons such as a weather station and a
Data Acquisition System (DAS) are supported using Ethernet cable.
Figure 2-2 Communications Overview

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2.1.4 Inverter Features
Figure 2-3 SOLECTRIA XGI 1500 Inverter Features: Front (Left), Right Side (Right), and Bottom
(Bottom)

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Inverter Placement
2.2
The SOLECTRIA XGI 1500 inverter is rated for outdoor use and will operate when exposed to direct sunlight or
rain. To obtain the best performance and insure longevity of the inverter, it is recommended to mount the
inverter out of the direct sunlight.
Inverter Facing Direction
It is recommended to install the inverter facing north to minimize direct sun exposure.
Figure 2-4 Inverter Environment (Left to Right) Direct Sunlight, Shaded, and Rain
Mount the inverter vertically and level to the ground. Do not install the inverter in a pitched/tilted/angled
orientation.
Figure 2-5 Inverter Mounted Correctly -- Vertical and Level to Ground

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Unpacking
2.3
When storing the packaged inverters, keep them in an area where they will not get damaged or flooded.
Storage temperatures should be maintained in the range -40°F to +167°F (-40°C to +75°C). Open the box
carefully to avoid damaging the contents.
Table 2-1 Contents of Box
1. Inverter (XGI 1500-166/166, -150/166,-125/150, or -125/125)
2. Voltage-Frequency Test Report
3. One page information sheet for Wi-Fi connection to smart device
4. Hardware Kit containing:
a. Antenna for Wi-Fi connection to smart device.
b. 90 degree coaxial connection for antenna.
Installation
3
Installation Sequence
3.1
1. Remove the inverter from its crate and properly dispose of the packaging material.
2. Secure the inverter to the structure, carefully observing the lifting hazard below.
Lifting Heavy Object Hazard
Proper lifting technique must be used in order to avoid injuries.
Lift into place with at least two people or using a mechanical aid
3. Turn off the upstream AC breaker and apply a lock.
4. Turn off the AC switch on the inverter.
5. Turn off the DC switch on the inverter.
6. Remove the cover of the wiring box and remove the plastic shield.
7. Confirm that the PV output circuit conductors (from a Combiner) are de-energized.
8. Connect the AC wires from the grid to the AC terminal block in the wiring box.
9. Connect the PV output circuit wires (from a Combiner) to the DC terminal block in the wiring box.
10. Connect the communication wires.
11. Replace the plastic shields and the cover of the inverter.
12. Connect the antenna to the inverter using the 90-degree coaxial connection.

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Inverter Size, Spacing and Mounting
3.2
The dimensions of the XGI 1500 inverter are shown in Figure 3-1.
Figure 3-1 Inverter Dimensions
Mount the inverter to 15/8 inch strut channel as shown in Figure 3-4. Ensure that the strut channel structure is
capable of supporting 245 lbs (111 kg) plus an effective safety margin. Structural integrity of the strut structure
is the responsibility of the installer. Space the inverters no closer than shown in Figure 3-2 for thermal exhaust
and wiring clearance. Keep this area free from debris, vegetation, and other obstructions.
Figure 3-2 Inverter Minimum Spacing and Mounting – Top View
41.3 in
1048 mm
34.9 in
886 mm
34.9 in
886 mm

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Use Figure 3-3 to space strut channels for mounting. The holes on the bottom use the center as the reference
point and the hook at the top uses the top of the upper strut channel as its reference point. Use two 8 mm (5/16
in) bolts (not provided) to connect the bottom brackets to the strut channel.
Figure 3-3 Mounting Holes – Rear View
Attach the inverter, with its mounting brackets in place, to the strut channel as shown in Figure 3-54. The top
brackets fit over the upper strut bar to hang the inverter while securing the upper and lower brackets to the
strut channel. The brackets are attached to the inverter in the factory.
Figure 3-4 Mounting the Inverter to the Strut Channels
32.625 in
28.625 in
727 mm
Centerline
of Strut

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When positioned on the strut, the inverter and strut channels should appear as in Figure 3-5. To secure the
inverter in place, use two 8mm (5/16 in) bolts (not provided) through the holes provided in the top face of the
upper brackets, and two more through the front face of the lower bracket.
Figure 3-5 Inverter Mounted to Strut Channels, Back View (Upper Image) and Top View (Lower Image)
Lifting Heavy Object Hazard
Proper lifting technique must be used in order to avoid injuries.
Lifting requires at least two people or a mechanical hoist to install the Inverter.
Slotted Holes for 8mm Bolts (not supplied)
27.8 in
706 mm
C
L
C
L

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Wiring
3.3
Turn the AC Switch to OFF before wiring. The AC switch is located on the right side of the inverter (Figure 2-3.)
Turn AC Switch to OFF
Verify the absence of AC voltage.
Use conductors with a temperature rating of at minimum 90°C. Terminations are rated for both 75°C and 90°C
rated conductors. Ensure that all connections are in compliance with NEC ANSI/NFPA 70 and local electrical
codes. With longer wire runs, larger conductors than required by Code are often used to reduce the voltage
drop. See Section 3.5 for AC connection specifications and Section 3.8.1 for DC connection specifications.
Before wiring, mark locations of conduit entry on the removable gland plate (located on the bottom of the
inverter). Remove the gland plate before drilling or punching holes to prevent metal debris from entering the
inverter enclosure. Re-attach the gland plate to install conduit fittings and conduit. Keep AC and DC
connections in separate conduit. All conduit used for connections must use rain tight or wet location connectors
that comply with UL 514B to maintain the enclosure’s Type 4X rating. Conduit holes or other modifications to
the enclosure are not permitted anywhere on the enclosure except for the removable conduit panel.
3.3.1 Remove Cover on Wiring Box
Use a #3 Phillips-head screwdriver to remove the 10 screws from the cover of the Wiring Box, as shown in
Figure 3-6.
Figure 3-6 Wiring Box Cover Screws (Quantity 10)

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3.3.2 Remove Plastic Shield
The Plastic Shield is a safety feature to protect the user from hazardous voltage when the inverter is
energized. The shield must be removed prior to securing the AC and DC conductors in the Wiring Box.
Remove the shield, shown in transparent salmon color in Figure 3-7, using a #2 Phillips-head screwdriver.
Figure 3-7 Wiring Box with Shield
With the shield removed, the inverter is ready for wiring, as shown in Figure 3-8.
Figure 3-8 Wiring Box Connections

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3.3.3 Removable Conduit Panel
All conduit connections must be made in a manner consistent with maintaining the NEMA
rating of the enclosure; failure to do so could result in a loss of warranty coverage.
All conduit entries must pass through the removable conduit panel. All modifications to the removable panel must occur
when the panel is detached from the inverter. This prevents metal shavings and other debris from potentially damaging
the inverter. Remove the 10 screws using a #3 Phillips-head screwdriver. When modifications are complete, replace all
10 screws and torque to 25 in-lbs (2.8 Nm).
All modifications to the conduit panel must be contained within the region shown in Figure 3-9. For inverters paired with
the attachable combiner box, the removable conduit panels for each require a 2” hole to accommodate the provided
conduit and wire assembly. Modify the removable panels so this hole is located as shown in Figure 3-10 for the inverter
and as shown in Figure 3-11 for the attachable combiner.
Figure 3-9 Removable Conduit Panel – Entry Locations

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Figure 3-10 DC Conduit Hole Location for Inverters Paired with Attachable Combiners
Figure 3-11 Conduit Hole Location for Attachable Combiners

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Transformer Configuration
3.4
Grid Mismatch
If the grid does not match the requirements, the inverter will not start and damage may
occur. Check with your local electric utility before selecting a grid standard.
The system must comply with National Electrical Code ANSI/NFPA 70 and with all local
rules and safety regulations before the inverter can be operated.
The inverter must be connected to an isolation transformer provided by the customer that has a grounded Wye
configuration on the inverter side (see Figure 3-12). The neutral of this transformer must be grounded.
Figure 3-12 Permitted Transformer Configurations
The inverter cannot operate connected to a delta service, corner grounded service, or wye with fully insulated
Neutral. For more information, please refer to Solectria’s application note on this topic:
Interconnection Guidelines for Yaskawa Solectria Solar Transformerless Inverters.
Figure 3-13 Prohibited Transformer Configurations
Improper Transformer Configuration
Inverter will not run and may have hazardous current. Connect transformer in specified
configurations only. Incorrect transformer configuration may cause damage to the inverter.
Wye With Neutral Connection
Wye With
out Neutral
WYE with Floating Ground
Delta
with Floating Ground
Delta
with Corner
Ground

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Equipment Grounding
3.5
The XGI 1500 must be bonded using equipment grounding provisions. Do not attempt to ground either DC
pole. The XGI 1500 includes provisions for terminating equipment grounding conductors and other conductors
used for bonding. One M8 stud is located inside the inverter wiring section (Figure 3-14). Use a 13mm socket
and torque to 90 in-lbs (12.2 N-m). On the exterior of the inverter is an M6 threaded insert (Figure 3-14) Torque
this customer supplied fastener to 39 in-lbs (4.4N-m)
Figure 3-14 Ground Connection Inside and Outside Inverter
Table 3-1 Grounding and Bonding Connection Specifications
Material XGI 1500-125/125 XGI 1500-125/150 XGI 1500-150/166 XGI 1500-166/166
Grounding
Conductor
Copper
Aluminum
4 to 1/0 AWG
(21.1 to 53.5 mm2)
2 to 1/0 AWG
(33.6 to 53.5 mm2)
4 to 1/0 AWG
(21.1 to 53.5 mm2)
2 to 1/0 AWG
(33.6 to 53.5 mm2)
4 to 1/0 AWG
(21.1 to 53.5 mm2)
2 to 1/0 AWG
(33.6 to 53.5 mm2)
4 to 1/0 AWG
(21.1 to 53.5 mm2)
2 to 1/0 AWG
(33.6 to 53.5 mm2)
M8 Stud
M6 Threaded Insert