PLX Legion Solar User manual

Legion Solar Installation and Operations Manual
V3.1 March 26, 2021
www.legionsolar.com
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1
Read this material before using this product. Failure to do so can result in
serious injury, property damage, and/or electrical shock.
SAVE THIS MANUAL
Keep this manual for safety warnings, precautions, operating, installation, inspection, and
maintenance procedures. Write the product’s device ID numbers in the back of the manual.

Legion Solar Installation and Operations Manual
Important Safety Information 4
Read this First 4
Safety Instructions 4
Legion Solar Overview 5
Included Items 7
Location Planning 8
Optimal Tilt Angle 8
Optimal Direction 8
Mounting Solutions 9
Hardware Installation 9
Install the MicroInverter to the Photovoltaic Panel 9
Install the Battery Commander to the Photovoltaic Panel 11
Install ‘Z’ Brackets for Do-it-Yourself Mounting 11
Electrical Installation 12
Connect the DC Wires (Inverter Only) 12
Connect the DC Wires (Inverter + Battery Commander) 13
Connect the Battery (Lithium) 14
Connect the Battery (Lead Acid) 15
Connect the AC Wires 17
Maximum System Size 17
Grid Connection Method1: Plug and Play 18
Grid Connection Method2: Hardwire 19
Wire Selection Guide 20
AC Connection Schematic 21
Expanding your System 22
Installing Solar Regulator 23
Installing OffGrid Controller and OffGrid Inverter 24
Troubleshooting 28
MicroInverters 28
Battery Commander V2.0 28
Battery Commander V1.0 29
Solar Regulator 30
Copyright © 2021 PLX Devices Inc.
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Legion Solar Installation and Operations Manual
OffGrid Controller 30
OffGrid Inverter 31
Helpful Videos 31
Helpful 3rd Party Tools 31
Maintenance 33
Technical Data 33
Device IDs 38
PV Panel Drawing 39
Part Descriptions 40
230VAC Micro Inverters on 120VAC Grids 41
Legion Solar with Utility Approved Grid Tied Solar Systems 41
Warranty 41
Limitations of Liability 42
Service and Support 42
Copyright © 2021 PLX Devices Inc.
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Legion Solar Installation and Operations Manual
Important Safety Information
Read this First
This document contains instructions for use during installation and maintenance of Legion Solar System.
To reduce the risk of electrical shock, and to ensure the safe installation and operation of Legion Solar
System, pay close attention to following safety symbols that appear throughout this document.
DANGER! A hazardous condition, if not avoided, will result in death, serious injury, equipment or
property damage.
WARNING! A hazardous condition, if not avoided, could result in death, serious injury,
equipment or property damage.
WARNING! An electrical condition, if not avoided, could result in death, serious injury, fire,
equipment or property damage. Use extreme caution and follow instructions carefully.
Safety Instructions
• Before installing or using Legion Solar System, read all instructions and cautionary markings in this
document.
• Do not use Legion Solar equipment in a manner not specified by the manufacturer. Doing so may
cause death or injury to persons, or damage to equipment and/or property.
•Only qualified personnel should install or replace Legion Solar components and accessories.
• Perform all electrical installations in accordance with all applicable electrical and local jurisdiction
codes.
• The DC conductors of this photovoltaic system are ungrounded and may be energized.
• Do not attempt to repair the MicroInverter, Battery Commander, OffGrid Controller, OffGrid Inverter
and/or any Legion Solar components/accessories. They contain no user serviceable parts. If it fails
contact PLX Devices customer service to obtain an RMA (return merchandise authorization).
Tampering with Legion Solar components will void the warranty.
• If the AC cable and/or connectors are broken or damaged, do not install the unit.
• Wear gloves when handling the PV panels to avoid injury, as some edges may be sharp.
• The MicroInverter may get hot during operation can and reach temperatures above 80°C (176° F). To
reduce the risk of burns, use caution when working with MicroInverters.
• Do NOT disconnect the photovoltaic modules from the MicroInverter without first disconnecting the
AC power.
Copyright © 2021 PLX Devices Inc.
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Legion Solar Installation and Operations Manual
Legion Solar Overview
Legion Solar is a permission free off-grid solar system with on-grid benefits. The Photovoltaic panels are
high efficiency ‘A’ Grade silicon and specifically designed to be lightweight enough for one person to
handle. The high efficiency MicroInverters installed on the rear of the PV panel simplifies the design and
maximizes energy production efficiency. Legion Solar’s optimized design methodology makes the system
modular, low cost, high output, easy to install and features inverter anti-islanding for safety. Legion Solar
is designed to outperform all other solar system solutions with the best price/performance ratio on the
market thus enabling you to achieve higher energy production and faster return on investment in both
day and night conditions.
Stage 1 - Get familiar with Legion Solar and it's components with the Starter Set. Sets up in minutes and
experience instant results. A 300W Starter Set is enough to make a noticeable impact to your electric bill.
Stage 2 - Scale your solar output with expansion sets to offset more of your daytime usage.
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Legion Solar Installation and Operations Manual
Stage 3 - Once your system is large enough to have excess energy to store during daytime, add
expansion sets with BatteryCommander™ for night time consumption. BatteryCommander™ enables the
solar panels to charge the batteries, solar panels to supply power to the micro inverters, and batteries to
supply power to the micro inverters.
Stage 4 - Add OffGridController™ and an offgrid inverter so that you have emergency power during grid
power outages. OffGrid controller is a battery capacity multiplier and grid power outage detector. When
grid power goes out, it automatically supplies power to your OffGrid Inverter. OffGrid Inverter converts
battery energy to grid compatible power so that you can power your appliances.
Copyright © 2021 PLX Devices Inc.
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Legion Solar Installation and Operations Manual
Included Items
Legion Solar Starter Set
• 1QTY Legion Solar Installation and Operations Manual
• 1QTY Legion Solar Regulator with Bluetooth
• 2QTY Split Core Transformers
• 2QTY 150Watt LS-150P PhotoVoltaic Panels
• 8QTY Aluminum ‘Z’ Brackets for DIY Mounting Solution
• 8QTY Hex Screw Fine Thread 28 A2-70 0.25" x 5/8”
• 8QTY Nut Fine Thread 28 A2-70 0.25”
• 8QTY Washer A2-70 0.25”
• 8QTY Lock Washer A2-70 0.25”
• 8QTY Self Drill Screw with Plastic Spacer 32mm long 5.0 x 32mm M8
• 1QTY 260Watt LS-260I-xx0VAC MicroInverter
• 1QTY LS-THarness-Vx AC 4ft T-Harness
• 1QTY LS-SHarness-Vx AC 4ft Straight-Harness
• 1QTY LS-PlugNPlay-TypeX AC 1ft Plug and Play Adapter
• 2QTY Hex Screw Thread 1.25mm M8 x 20mm long
• 2QTY Hex Nut Thread 1.25mm M8
• 2QTY Lock Washer M8
• 1QTY 3ft SMA Antenna Wire Extension Cable
• 1QTY Antenna Aluminum Bracket
• 1 QTY 2.4GHz Antenna
• 4QTY Washer M8
• *1QTY Battery Commander
• *1QTY Set of MC4 Male-Male, Female-Female Wire
• *2QTY Hex Screw Thread 1.25mm M8 x 20mm long
• *2QTY Hex Nut Thread 1.25mm M8
• *2QTY Lock Washer M8
• *1QTY 150A Fuse Wire
• *2QTY Set of Positive and Negative Lead Acid Battery Terminals
• *2QTY Set of Positive and Negative Silicone Battery Terminal Covers
• *1QTY 3ft SMA Antenna Wire Extension Cable
• *1QTY Antenna Aluminum Bracket
• *1 QTY 2.4GHz Antenna
* Included with Deluxe Starter Set or with the addition of Battery Commander with the Basic Starter Set.
Legion Solar Expansion Set
• 1QTY Legion Solar Installation and Operations Manual
• 2QTY 150Watt LS-150M PhotoVoltaic Panels
• 8QTY Aluminum ‘Z’ Brackets for DIY Mounting Solution
• 8QTY Hex Screw Fine Thread 28 A2-70 0.25" x 5/8”
• 8QTY Nut Fine Thread 28 A2-70 0.25”
• 8QTY Washer A2-70 0.25”
• 8QTY Lock Washer A2-70 0.25”
• 8QTY Self Drill Screw with Plastic Spacer 32mm long 5.0 x 32mm Hex is M8
• 1QTY 260Watt LS-260I-xx0VAC MicroInverter
• 1QTY LS-THarness-Vx AC T-Harness
•2QTY Hex Screw
•2QTY Hex Nut
• 2QTY Lock Washer
• 2QTY Washer M8
• 1QTY 3ft SMA Antenna Wire Extension Cable
• 1QTY Antenna Aluminum Bracket
• 1 QTY 2.4GHz Antenna
Copyright © 2021 PLX Devices Inc.
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Legion Solar Installation and Operations Manual
Location Planning
Optimal Tilt Angle
Tip: Use your smartphone to download a leveler app to measure tilt angle. Calibrate to 0° from a known flat surface.
Optimal Direction
Tip: To achieve a more even power production, spread out your panels facing east, south, west (for northern
hemisphere), or facing east, north, west (for southern hemisphere).
Latitude
Full Year Angle
Latitude
Full Year Angle
0°
0.0°
30°
25.9°
5°
4.4°
35°
29.7°
10°
8.7°
40°
33.5°
15°
13.1°
45°
37.3°
20°
17.4°
50°
41.4°
25°
22.1°
55°
44.9°
Hemisphere
Direction
Production
Northern
True South
Best All Around
Northern
West
Better for peak demand 3pm - 7pm
Southern
True North
Best All Around
Southern
West
Better for peak demand 3pm - 7pm
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Install the PV panels where the entire surface area is
exposed to direct sunlight. Avoid any shaded areas
to achieve maximum energy production.

Legion Solar Installation and Operations Manual
Mounting Solutions
Racking solutions are available from www.legionsolar.com. Tap on SHOP to configure your system and Add to Cart.
All hardware components are automatically calculated. Items that you already own such as Starter and Expansion
Sets can be removed from your shopping cart prior to check out.
Individual Legion Solar components and accessories can also be purchased from www.plxdevices.com. Tap on
LEGION SOLAR.
Detailed step by step how-to videos are available from www.legionsolar.com. Tap on TUTORIALS.
Hardware Installation
Install the MicroInverter to the Photovoltaic Panel
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Step1:
1 MicroInverter is used for every 2 photovoltaic panels.
Locate the 4 round (not oval) holes on the rear of the PV
panel as indicated by the arrows.
If you do NOT have a Battery Commander paired with this
set, install the Micro Inverter in location A.
If you HAVE a Battery Commander paired with this set, install
the Micro Inverter in Location B.

Legion Solar Installation and Operations Manual
Copyright © 2021 PLX Devices Inc.
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Step2:
Place 2 M8 washers on the frame above the two holes. 1
washer per side.
Step3:
Place the MicroInverter on top washers and align the holes
with the 2 L shaped notches.
Step4:
Place 2 M8 washers on top of the L shaped notches. Align the
washers with the hole.
Step5:
Insert the 2 Hex Screw Thread 1.25mm M8 x 20mm long into
the hole making sure the screw goes through the washers.
Step6:
Insert the lock washer M8 followed by the Hex Nut Thread
1.25mm M8. Tighten the screws with 6mm hex key and
14mm wrench.
Step7:
Install the Antenna. If the Inverter is within 30ft of Solar
Regulator and is unobstructed by dense materials such as
metal, concrete, brick, tile you may install the Antenna
directly on the Inverter.
Otherwise, we recommend using the included SMA coax wire
(1) to locate your Antenna (2) out and above the PV panels
for improved wireless performance and reliability.
Use the included aluminum plate (3) designed to be installed
on the Legion Solar End Clamp or Mid Clamp with a 1/4-20
nut (4).