Panasonic EverVolt Mini EVAC-105-2 User manual

Installation Manual
FOR EVERVOLT™ACCOUPLED SYSTEMS
Models:
EVAC-105-2, EverVolt Mini, 5.7 kWh AC Coupled System
EVAC-105-4, EverVolt Standard, 11.4 kWh AC Coupled System
EVAC-105-6, EverVolt Plus, 17.1 kWh AC Coupled System
V. 110519

2Installation Manual
We are committed to quality and constant improvement. All specifications and descriptions
contained in this document are verified to be accurate at the time of printing. However,
we reserve the right to make modifications at any time that may result in a change of
specification without notice in our pursuit of quality. If you find any inconsistencies or errors
in this document, please notify us at
panasonicbatterystorageus.panasonic.com
Check the resources page at na.panasonic.com/us/solar for the latest specifications and
manuals.
© 2019 Panasonic Life Solutions Company of America. All rights reserved.
All information in this document is subject to copyright and other intellectual property rights
of Panasonic. This material may not be modified, reproduced or copied, in whole or in part,
without the prior written permission of Panasonic and its licensors. Additional information is
available upon request.
As of September 1, 2019 EverVolt™ AC-Coupled has been successfully tested and operated
using frequency control with the following solar inverters:
Fronius, Enphase Energy, SolarEdge HD Wave
Please contact your Panasonic sales representative for the complete list of inverter models
tested and approved with EverVolt.

3
Installation Manual
Table of Contents
Important Safety Warnings 4
About EverVolt Certifications 11
Planning for Installation 14
1. What's in the Box 16
2. Installing the Battery Enclosure 17
3. Mounting the Inverter 26
4. Connections 29
5. Grid (Utility) Connection 30
6. Battery Connection and Charging Requirements 32
Connecting the Batteries 33
Disconnecting Equipment 40
7. Essential Load Connection 41
8. Installing the PowerHub 44
Disconnecting Remote Control of the PowerHub 46
9. Connecting the Internet-Over-Power (PLC) 47
10. System Types: Quick Disconnect Terminals 48
11. Wiring Diagram 49
12. Operation and Display Panel 50
How to Turn the System On -- Grid-tied 50
Starting the System -- Off-Grid (Black Start) 51
How to Turn the System Off 52
LCD Screen -- Icons and Pages 53
13. Generator [Optional] 61
14. Configuring the Hardware 63
15. Commissioning 67
16. Internet Connectivity Options 68
17. Maintenance & Cleaning 70
18. Troubleshooting 72
19. Installing and Replacing Additional Batteries 73
20. Specifications 75
21. EverVolt Limited Warranty 77
Table of Contents

4 Installation Manual
IMPORTANT SAFETY WARNINGS
PLEASE READ ALL INSTRUCTIONS AND CAUTIONARY MARKINGS ON
THE UNIT AND THIS MANUAL BEFORE USING THE INVERTER. STORE
THIS USER MANUAL WHERE IT CAN BE ACCESSED EASILY.
WARNING: Only an authorized EverVolt technician with appropriate
contracting license(s) should attempt to service the EverVolt. Please
consult your local codes and standards for required qualifications to
install and service an energy storage system.
Safety Symbols
WARNING. This indicates the risk of electric shock. The
presence of high voltage levels may constitute a risk of injury
or death to users and/or installers.
CAUTION. This indicates important information where failure
to comply may result in safety hazards or cause damage to
this product.
CAUTION. This indicates the risk of a hot surface. The surface
may reach a temperature high enough to cause serious burn
injuries.
General Inverter Precautions
CAUTION. Before installing and using this inverter, read all
instructions and cautionary markings on the inverter and
all appropriate sections of this guide. This inverter must be
installed by licensed electricians only.
CAUTION. Normally grounded conductors may be
ungrounded and energized when a ground fault is indicated.
CAUTION. This inverter is heavy. It should be lifted by at least
two persons for safety.
CAUTION. To reduce risk of fire hazard, do not cover or
obstruct the cooling fan.
CAUTION. Do not operate the Inverter if it has received a
sharp blow, been dropped, or otherwise damaged in any way.
If the Inverter is damaged, contact Panasonic for an RMA
(Return Material Authorization).
Important Safety Warnings

5
Installation Manual
CAUTION. Under high temperature environment, the cover
of this inverter could be hot enough to cause skin burns if
accidentally touched. Ensure that this inverter is away from
normal traffic areas.
WARNING. These servicing instructions are for use by
qualified personnel only. To reduce the risk of electric shock,
do not perform any servicing other than that specified in the
operating instructions unless you are qualified to do so.
WARNING. Authorized service personnel should reduce the
risk of electrical shock by disconnecting AC, DC and battery
power from the inverter before attempting any maintenance
or cleaning or working on any circuits connected to the
inverter. Turning off controls will not reduce this risk.
Internal capacitors can remain charged for five (5) minutes
after disconnecting all sources of power.
WARNING. Do not disassemble this inverter yourself. It
contains no user-serviceable parts. Attempting to service this
inverter yourself may cause a risk of electrical shock or fire
and will void the warranty from the manufacturer.
WARNING. To avoid a risk of fire and electric shock, make
sure that existing wiring is in good condition and that the wire
is not undersized. Do not operate the Inverter with damaged
or substandard wiring.
WARNING. During the installation process, drilling, punching,
and screwing the bolts can cause metal burrs, which must be
cleaned up to prevent them from falling into the electronics.
WARNING. Use only recommended accessories.
WARNING. Exposed hazardous voltage, during servicing or
for emergency procedures use a lockable manual breaker
lockout on the main service panel disconnects to enable
Lock-Out-Tag-Out per the Standard for Electrical Safety in
the Workplace, NFPA 70E, and the Standard for Workplace
Electrical Safety, CSA Z462, and any other local codes and
standards relevant to your jurisdiction.
Important Safety Warnings

6 Installation Manual
BATTERY PACK WARNINGS:
There is danger of generating heat / smoke / rupture flames.
Do not disassemble battery pack.
Do not touch disassembled battery pack.
Do not reassemble battery pack.
Do not immerse the battery pack in any liquids or get it wet.
Do not short circuit battery pack.
Do not incinerate or heat the battery pack.
Do not use or leave the battery near a fire, stove, or heated
place.
Do not impact the battery pack or throw it.
Do not use a damaged and/or deformed battery pack.
Do not drive sharp objects into the battery pack, strike it with
any object, or stand on it.
Do not place the battery pack on materials such as tools,
electric wire, screws, etc.
Do not touch a leaked battery pack.
In case of a leak in the battery pack, avoid contact.
Do not touch your eyes if accidental contact with leaky battery.
Do not expose to corrosive substances such as sea breeze,
steam, or chemicals.
Do not install in humid places or places with condensation.
Do not install or use the EverVolt if it has been damaged in
any way.
CAUTION. Do not expose the EverVolt to liquids or flooding.
Do not expose of equipment or batteries with household
waste.
Do not dispose of batteries in a fire or by burning. The
batteries can explode.
Important Safety Warnings

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Installation Manual
WARNING. Charge EverVolt only within the specified
conditions (e.g. temperature range, voltage, current, etc.)
Failure to do so may result in damages, heat generation,
smoke, fire, or explosion.
Check the positive (+) and negative (-) terminals. If EverVolt
is connected with reversed polarity, unexpected reactions
may occur such as damages, heat generation, smoke, fire, or
explosion.
Do not connect between the positive (+) and negative (-)
terminals with a conductive material (e.g. wire, a cable, etc.).
This may result in damages, heat generation, smoke, fire, or
explosion.
Do not directly solder the EverVolt. This may result in
damages, heat generation, smoke, fire, or explosion.
WARNING: Risk of electric shock. Risk of fire. Do not attempt
to repair the battery(ies); it contains no user-serviceable
parts. Tampering with or opening the battery(ies) will void
the warranty. If the battery(ies) fails, contact Panasonic at
panasonicbatterys[email protected]
WARNING: Proper disposal of lithium-ion batteries is
required. Please contact your Panasonic representative for
disposal and recycling measures.
WARNING: Take care when lifting the Battery. The Battery is
heavy and may require a lifting tool to initially lift the battery
high enough to get a good hold on it.
Important Safety Warnings

8 Installation Manual
WARNING: Only an authorized technician should attempt to
service the EverVolt.
WARNING: Risk of injury and equipment damage. Protect the
EverVolt from damage and improper use.
WARNING - ARC FLASH AND SHOCK HAZARD: Appropriate
PPE and Tools Required while working on this energized
equipment.
INVERTER WARNINGS: Method of active anti-islanding
protection: The Inverter monitors for sudden changes in the
impedance of the grid by looking for changes in the second to
the eighth harmonic.
Perform installation and wiring in accordance with all
applicable local electrical codes and standards.
Protection against lightning and resulting voltage surge must
be in accordance with local standards.
Using unapproved attachments or accessories could result in
damage or injury.
Use Class 1 wiring methods for field wiring connections to
terminals of a Class 2 circuit. Use only 6-8 AWG (2.5mm2
to 4mm2) and 1/0 wire in the junction box terminal block.
Select the wire size based on the protection provided by the
circuit breakers / fuses. Install properly rated over-current
protection as part of the system installation.
To ensure optimal reliab i lity and to meet warranty
requirements, the Inverter must be installed and/or stored
according to the instructions in this guide.
Important Safety Warnings
Hazardous Waste:
In the event that the Inverter or one or more batteries of EverVolt is
defective and needs to be removed, replaced, temporarily uninstalled,
disposed of, decommissioned or if Panasonic Customer Support
authorizes a replacement (RMA), perform the following steps:
1. Follow installation and service shut down.
2. Contact Panasonic at panasonicbattery[email protected]om

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Installation Manual
WARNING: The Inverter is intended to operate with an
internet connection. Failure to maintain an internet
connection may have an impact on the warranty. See
na.panasonic.com/us/EverVoltsupport for full terms and
services.
When replacing an Inverter, it must be replaced with the same
type of Inverter.
Properly mount the Inverter or place it on a flat, plain surface
that can bear heavy weights. Ensure that the mounting
location is structurally suited to bearing the weight of the
Inverter.
During use, storage, and transport, keep the Inverter:
• Properly ventilated
• Away from water, other liquids, heat, sparks, and direct
sunlight
• Away from excessive dust, corrosive and explosive gases,
and oil smoke
• Away from direct exposure to gas exhaust, such as from
motor vehicles
• Free of vibrations
• Away from falling or moving objects, including motor
vehicles
• At an elevation of less than 3,000 m above sea-level
• In a location compliant with fire safety regulations (has a
smoke alarm)
• In a location compliant with local building codes and
standards
• Conditions for the Inverter installation site apply also to
storage conditions
Important Safety Warnings

10 Installation Manual
In Case of Fire or Other Emergency
In all cases:
• If safe to do so,
1. Initiate Rapid Shutdown and allow the DC voltage to drop to a
safe level
2. Power down inverter, and
3. Disconnect wiring sources of AC and DC power
• Contact the fire department or other required emergency response
team.
• Evacuate the area.
In case of fire:
• When safe, use a fire extinguisher. Suitable types are A, B, and C dry
chemical fire extinguishers. Additional extinguishing media include
water, carbon dioxide, or alcohol-resistant foams.
In case of flooding:
• Stay out of water if any part of the system or wiring is submerged.
• If possible, protect the system by finding and stopping the source of
the water, and pumping it away.
• If submerged, the whole system may need to be replaced.
• Let the area dry completely before use.
In case of unusual noise, smell or smoke:
• Ensure nothing is in contact with the system or in the venting area on
top of the Inverter or Battery enclosures.
• Ventilate the room.
• Contact Panasonic at panasonicbattery[email protected]om
Fire or Emergency

11
Installation Manual
About EverVolt Certifications
Below are descriptions of some relevant certifications that the EverVolt
conforms to:
• UL 1973: These requirements cover electric energy storage systems
as defined by this standard for use as energy storage for stationary
applications such as for PV, wind turbine storage or for UPS, etc.
applications. These systems are to be installed in accordance with
the National Electric Code, ANSI/NFPA 70 or other applicable
installation codes.
• UL 1741 SA: A product safety standard that lays out the
manufacturing (including software) and product testing requirements
with the goal of producing inverters more capable of riding through
grid excursions or even actively managing grid reliability functions.
• UL 1642: These requirements cover primary (non-rechargeable) and
secondary (rechargeable) lithium batteries for use as power sources
in products. These batteries contain metallic lithium, or a lithium
alloy, or a lithium ion, and may consist of a single electrochemical
cell or two or more cells connected in series, parallel, or both, that
convert chemical energy into electrical energy by an irreversible or
reversible chemical reaction.
• UL9540: 1.1 These requirements cover energy storage systems
that are intended to receive electric energy and then to store the
energy in some form so that the energy storage system can provide
electrical energy to loads or to the local/area electric power system
(EPS) up to the utility grid when needed. The types of energy storage
covered under this standard include electrochemical, chemical,
mechanical and thermal. The energy storage systems equipment
(constructed either as one unitary complete system or as matched
assemblies that when connected are the system) may include
equipment for charging, discharging, control, protection, power
conversion, communication, controlling the system environment, air,
fire detection and suppression system, fuel or other fluid movement
and containment, etc. The system may contain other ancillary
equipment related to the functioning of the energy storage system.
1.2 The systems covered by this standard include those intended to
be used in a standalone mode (e.g. islanded) including “self-supply”
systems to provide electric energy and those used in parallel with
an electric power system or electric utility grid such as “grid-supply”
systems, or applications that perform multiple operational modes.
1.3 Requirements for installation, with the exception of installation
About Certifications

12 Installation Manual
About Certifications
manuals and documents for installation provided with the system
that are integral to the tested system are outside the scope of this
standard. The installation instructions indicate that the energy
storage systems are to be installed in accordance with the national
and local electrical codes and other applicable codes. This standard
assumes that the final installation of the energy storage system
will be performed by qualified service personnel in accordance with
the applicable installation instructions, installation practices and
national installation codes. Energy storage systems are intended for
installation subject to approval by the Authority Having Jurisdiction.
• CSA 22.2.107.1: This Standard applies to AC and DC type power
conversion equipment (PCE) that
a) is of dry or liquid-filled construction
b) has a rated voltage not exceeding 1500 V
c) is for commercial, industrial, and residential indoor and
outdoor use in nonhazardous locations in accordance with the
Rules of the Canadian Electrical Code, Part I.
• IEE 1547: Standard for Interconnecting Distributed Resources with
Electric Power Systems was approved by the IEEE Standards Board
in June 2003. It was approved as an American National Standard in
October 2003. The published standard is available from the IEEE Std
1547-2003.
• NEMA 1: Intended for indoor use primarily to provide a degree of
protection against contact with the enclosed equipment or locations
where unusual service conditions do not exist.

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Installation Manual
Required Tools
Below is a list of recommended tools you will need to install the EverVolt:
Required Tools
PARTS NAME DESCRIPTION QTY.
Gloves Cotton glove with urethane coating 1 Pair
Automatic
Screwdriver (+) Automatic driver with torque setting 1
Wrench M6/M8/M12 1
Wire Cutters Standard wire cutters 1
Crimping Tool Used for making power cables 1
Socket Wrench Battery terminals are 10mm 1
Screwdriver Standard screw driver 1
Allen Wrench 4mm allen wrench needed
for enclosure 1

14 Installation Manual
System Layout & Dimensions
66" x 24" x 10.5" (Battery) & 17.5" x 39" x 6" (Inverter)
Planning for Installation
Knockout Locations
There are multiple knockouts on
the inverter and battery enclosure
(as shown with the red arrows.)
1", 1.5", 1.75"
.5", .75", 1", 1.5" (four locations
underneath the inverter).
Planning for Installation
1. Essential Load Sizing: Please ensure that the battery power per the
EverVolt spec sheet is capable of running the essential load circuits
during backup.
2. Internet Connectivity: All EverVolt systems ship with a PLC
communications kit for simple installation. EverVolt also works with
a CAT5/6 hardwired cable to the customer's internet router. Cellular
modem connectivity is an option that will be available in the future.
If interested please contact your sales representative for more
information.
3. System Placement: (a) Placement of the physical system so that
the batteries rest on the feet of the battery enclosure (b) a conduit
between the battery and inverter be placed for easy routing of the 1/0
or 2/0 wire. The clearance spacing needs to be observed to allow for
adequate cooling and servicing of the equipment as shown below.
4. Outlet Placement: 120V AC outlet needs to be within 4 ft of the
inverter to plug in the power supply to the PowerHub.
1.5" & 2" (four locations, two
on each side of the battery
enclosure).

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Installation Manual
Planning for Installation
To Install, Service or Shutdown Equipment (Overview):
Installation and service of this equipment includes risk of electric shock.
1. Initiate External Solar PV Rapid Shutdown (If installed)
2. Turn OFF the Main Switch located outside the inverter enclosure on
the left side
3. Turn off the battery breaker located inside the Distribution Box behind
the thumb screw latched access door
4. Turn off all AC breakers located inside the Distribution Box behind the
thumb screw latched access door
5. Allow two minutes for all sources of supply to discharge
6. Check that AC and DC voltages are at a safe level
7. Access to the wiring requires opening the access door using the
thumb screw and removing the four screws on the Inverter wire
compartment cover
To Start Up Equipment (Overview):
1. Check that cables are properly connected
2. Turn ON External Solar by disabling Solar PV Rapid Shutdown (If
installed)
3. Turn ON: (a) AC Grid Breaker, (b) Battery Breaker
4. Turn ON the Main Switch (located on the left side of the inverter)
5. If the inverter has GRID input, then the system will automatically
start. If only battery starts the inverter, press the Enter button for five
seconds until two beeps are heard. The system will boot up in under
sixty seconds
6. Check output voltage: L1-L2 240 VAC; L1-N 120 VAC and L2-N 120
VAC
7. Turn ON Load Breaker

16 Installation Manual
1. WHAT'S IN THE BOX
What's in the Box
Parts Description
1. EverVolt
2. Inverter
3. Enclosure Mounting Bracket
4. PowerHub
5. Wood Screws
6. Self-drilling Screws
7. Inverter Mounting Bracket
Qty
1
1
1
1
6
6
2

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Installation Manual
Installing the Battery Enclosure
2. INSTALLING THE BATTERY ENCLOSURE
Before installing the battery enclosures, make sure nothing inside the
package is damaged. You should have received the following items in
the package: The EverVolt inverter, backplate, brackets, screws and this
installation manual.
The following considerations must be taken into account before selecting
where to install.
• The unit cannot be mounted on flammable construction materials.
• The unit must be mounted to a solid surface.
• ALLOW 20CM (8 INCHES) OF CLEARANCE TO THE SIDES AND 50CM
(20 INCHES) TO THE TOP AND BOTTOM of the unit for proper air
circulation to dissipate heat.
• The ambient temperature (charging) must be between 41°F and
122°F and discharging 14°F and 122°F. Relative humidity must be
between 5% and 85% to ensure optimal operation. Do not operate
where the temperature and humidity are beyond the specified limits.
• The unit has a Pollution Degree rating of PD2. The unit must be
mounted in a protected area that is dry, free of excessive dust and has
adequate air flow.
• The unit was designed with an IP20 protection rating and is for indoor
applications only.
To begin installing the battery enclosures, please follow the steps below:
1. Take the enclosure out of the box and move to a stable surface.

18 Installation Manual
Installing the Battery Enclosure
2. Remove the 6 screws from the front portion of the enclosure with a
4mm allen wrench.
3. With two people, remove front cover and set aside.

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Installation Manual
4. Place mounting bracket onto predetermined wall for installation and
ensure that the bracket is 59" above the ground.
Installing the Battery Enclosure
5. Determine what type of wall you're working with to use the appropriate
amount of lag bolts. Always consult with your local jurisdiction on specific
building code requirements for mounting energy storage systems.

20 Installation Manual
Installing the Battery Enclosure
6. Hang the enclosure on the bracket and ensure that the slots line up
correctly. To assure that the weight of the battery rests firmly on the
floor, leave a 1/4" gap between the enclosure and the wall mounting
bracket.
7. Unscrew the battery hold downs within the enclosure and place to the
side.