UNIVERSAL AUDIO 48A Single Phase Wall Connector User Manual
- June 14, 2024
- Universal Audio
Table of Contents
48A Single Phase Wall Connector
Product Information
The Universal Wall Connector is a 48A Single Phase charging
device. It is designed to charge electric vehicles and provides a
safe and efficient charging solution. The Wall Connector comes with
various external and internal components that ensure proper
functioning and user convenience.
External Components
The Wall Connector includes external components such as a
wall-mounted control box and a charge handle dock. The control box
allows for easy access to control and monitor the charging process,
while the charge handle dock provides a secure and convenient
storage solution for the charge handle.
Internal Components
The Wall Connector also contains internal components that
facilitate the charging process. These components are responsible
for regulating the power supply, ensuring safety measures, and
providing the necessary connectivity for charging an electric
vehicle.
Warranty Information
The Universal Wall Connector comes with a warranty that covers
manufacturing defects and malfunctions. For detailed warranty
information, refer to page 45 of the user manual.
Product Usage Instructions
Installation
Prior to installation, carefully read all instructions in the
user manual. Ensure that you have reviewed the important safety
information and warnings. Follow the step-by-step installation
guide provided in section 16 of the manual to properly install the
Wall Connector.
Commissioning Procedure
After installation, follow the commissioning procedure outlined
in section 28 of the manual. This procedure will guide you through
the necessary steps to activate and configure the Wall Connector
for use.
Power Sharing
If you intend to use multiple Wall Connectors within a power
sharing network, refer to section 32 of the manual for an overview
of power sharing capabilities. This section also provides
instructions on setting up power sharing, calculating power sharing
requirements, and viewing existing power sharing networks.
Registering the Wall Connector in the Tesla App – Vehicle
Owners
If you own a Tesla vehicle, section 41 of the manual explains
how to register the Wall Connector in the Tesla App. This allows
you to monitor and control the charging process conveniently from
your smartphone.
Wall Connector LEDs
Section 42 of the manual provides information on the Wall
Connector’s LED indicators. These indicators convey important
status and fault information. Refer to this section to understand
the meaning of different light codes and fault codes.
Torque Specifications
For maintenance purposes, section 44 of the manual lists the
torque specifications that should be followed when working with the
Wall Connector. These specifications ensure proper tightening and
assembly of components.
Always refer to the user manual for complete and detailed
instructions on using the Universal Wall Connector. Following all
safety guidelines and instructions will help ensure a safe and
optimal charging experience.
Universal Wall Connector Manual
48A Single Phase
Important Safety Information……………………… 2
Product Overview………………………………………….. 5
Product Specifications………………………………………………… 5 Circuit Breaker Rating / Maximum
Output……………….7 Using Wall Connector…………………………………………………..9
Features……………………………………………………………………….. 10
Connectivity………………………………………………………………..10 Hosted Access
Point………………………………………………….10 Local Network…………………………………………………………….. 11 Ground
Fault Circuit Interruption…………………………….12 Ground
Assurance………………………………………………………12 Power Outages……………………………………………………………13
Firmware Updates………………………………………………………13
Wall Connector External Components…………………….14 Wall Connector Internal
Components…………………….. 15
Warranty Information…………………………………. 45
Limits of Liability……………………………………………………….. 46 Dispute
Resolution…………………………………………………….. 47
……………………………………………………………………………..
Installation……………………………………………………… 16
In the Box………………………………………………………………………16 Tools……………………………………………………………………………….
17 Installation Considerations…………………………………………18 Step 1: Prepare Wirebox for
Conduit Fittings and Bushings……………………………………………………………………….. 21 Step 2: Prepare
Mounting Surface……………………………22 Step 3: Prepare Wirebox and Mount to Wall………….23
Step 4: Route Wiring Through Wirebox………………… 24 Step 5: Strip and Land
Wiring…………………………………..25 Step 6: Attach Wall Connector to Wirebox…………… 26 Step
7: Energize Wall Connector…………………………….. 27
Commissioning Procedure…………………………. 28
Power Sharing……………………………………………….32
Power Sharing Overview……………………………………………32 Breaker and Branch Circuit
Setup……………………………33 Considerations for Power Sharing………………………….. 34 Calculating
Power Sharing Requirements for Existing Systems………………………………………………………… 34
Setting Up Power Sharing…………………………………………34 How to View Existing Power Sharing
Networks…. 40
Registering the Wall Connector in the Tesla App – Vehicle
Owners…………………………………..41
Wall Connector LEDs…………………………………..42
Light Codes………………………………………………………………….42 Fault
Codes………………………………………………………………….43
Torque Specifications…………………………………. 44
IMPORTANT SAFETY INFORMATION
Read all instructions before using this product. Save these instructions. This
manual contains important instructions for the Universal Wall Connector that
shall be followed during installation, operation, and maintenance. Please
review all warnings and cautions before installing and using the Wall
Connector.
WARNING: When using electric products, basic precautions should always be
followed, including the following.
INSTRUCTIONS RELATING TO RISK OF FIRE OR ELECTRIC SHOCK
WARNING: Do not install or use the Wall Connector near flammable, explosive,
harsh, or combustible materials, chemicals, or vapors.
WARNING: Turn off power at the circuit breaker before installing or cleaning
the Wall Connector.
WARNINGS
WARNING: This product can expose you to one or more chemicals that are known
to the state of California to cause cancer.
WARNING: This device should be supervised when used around children.
WARNING: The Wall Connector must be grounded through a permanent wiring system
or an equipment-grounded conductor.
WARNING: Use the Wall Connector only within the specified operating
parameters.
WARNING: Never spray water or any other liquid directly at the wall mounted
control box. Never spray any liquid onto the charge handle or submerge the
charge handle in liquid. Store the charge handle in the dock to prevent
unnecessary exposure to contamination or moisture.
WARNING: Do not use the Wall Connector if it is defective, appears cracked,
frayed, broken, or otherwise damaged, or fails to operate.
WARNING: Do not use the Wall Connector if the flexible power cord or cable is
frayed, broken, or otherwise damaged, or fails to operate.
WARNING: Do not attempt to disassemble, repair, tamper with, or modify the
Wall Connector. The Wall Connector is not user serviceable. Contact Tesla for
any repairs or modification.
WARNING: When transporting the Wall Connector, handle with care. Do not
subject it to strong force or impact or pull, twist, tangle, drag, or step on
the Wall Connector, to prevent damage to it or any components.
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IMPORTANT SAFETY INFORMATION
WARNING: Do not touch the Wall Connector’s end terminals with fingers or sharp
metallic objects, such as wire, tools, or needles.
WARNING: Do not insert fingers or foreign objects into any part of the Wall
Connector.
WARNING: Do not forcefully fold or apply pressure to any part of the Wall
Connector or damage it with sharp objects.
WARNING: Use of the Wall Connector may affect or impair the operation of any
medical or implantable electronic devices, such as an implantable cardiac
pacemaker or an implantable cardioverter defibrillator. Check with your
electronic device manufacturer concerning the effects that charging may have
on such electronic devices before using the Wall Connector.
FCC
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful
Interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
15.21 – Changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to operate the
equipment
15.105 (b) – This equipment has been tested and found to comply with the
limits for a Class B digital device. pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses and
can radiate radio frequency energy and, if not installed and used in
accordance with the instructions may cause harmful interference to radio
communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more or the following measures:
· Reorient or relocate the receiving antenna. · Increase the separation
between the equipment and receiver. · Connect the equipment into an outlet on
a circuit different room that to which the receiver is
connected. · Consult the dealer or an experienced radio/TV technician for
help.
RF Exposure Information (MPE)
This device has been tested and meets applicable limits for Radio Frequency
(RF) exposure. This equipment should be installed and operated with minimum
distance 20 cm between the radiator and your body.
ISED Canada Compliance Statement
This device contains license-exempt transmitter(s)/receiver(s) that comply
with Innovation. Science and Economic Development Canada’s license-exempt
RSS(s). Operation is subject to the following two conditions: (1) this device
may not cause interference, and (2) this device must accept any interference,
including interference that may cause undesired operation of the device.
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IMPORTANT SAFETY INFORMATION
CAUTIONS
CAUTION: Do not use private power generators as a power source for charging.
CAUTION: Incorrect installation and testing of the Wall Connector could
potentially damage the vehicle’s battery, components, and/or the Wall
Connector itself. Any resulting damage is excluded from the New Vehicle
Limited Warranty and the Charging Equipment Limited Warranty.
CAUTION: Do not operate the Wall Connector in temperatures outside its
operating range of -22° F to 122° F (-30° C to 50° C).
CAUTION: Wall Connector should only be installed by personnel who are trained
and qualified to work on electrical systems.
CAUTION: Ensure that Wall Connector is within storage temperature when moving,
transporting, or storing.
Notes
NOTE: Ensure that the Wall Connector’s charging cable is positioned so it will
not be stepped on, driven over, tripped on, or subjected to damage or stress.
NOTE: Do not use cleaning solvents to clean any of the Wall Connector’s
components. The outside of the Wall Connector, the charging cable, and the
connector end of the charging cable should be periodically wiped with a clean,
dry cloth to remove accumulation of dirt and dust.
NOTE: : Be careful not to damage the circuit boards or components during
installation.
NOTE: Use a cable sheath or similar containment to cover the supply cables.
The color black is recommended.
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PRODUCT OVERVIEW
Product Specifications
This manual applies to Wall Connectors identified by part number 1734412-XX-X.
Voltage and Wiring Current Output Range Terminal Blocks Supported Conduit Sizing Grounding Scheme Frequency Cable Length Wall Connector Dimensions
Nominal 200-240 V AC single-phase 12 48 amps 12-4 AWG G (3.5 – 25 mm2),
copper ¾” (21 mm) default, 1″ (27 mm) optional TN/TT 50/60 Hz 24 ft (7.3 m)
Height: 13.6 in (345 mm) Width: 6.1 in (155 mm) Depth: 5.9 in (150 mm)
Wire Box Bracket Dimensions
Height: 9.8 in (250 mm) Width: 4.7 in (120 mm) Depth: 3.5 in (90 mm)
Weight (including wirebox) Operating Temperature Storage Temperature Enclosure Rating Ventilation Means of Disconnect Wi-Fi Agency Approvals
~13lbs (5.7kg) -22°F to 122°F (-30°C to 50°C) -40°F to 185°F (-40°C to 85°C) Type 3R Not required External branch circuit breaker 2.4 GHz, 802.11b/g/n ETL/cETL
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PRODUCT OVERVIEW
Transportation and storage: Ensure that Wall Connector is within storage
temperature when moving, transporting, or storing.
This device complies with part 15 of the FCC Rules. Operation is subject to
the following conditions: (1) This device may not cause harmful interference,
and (2) this device must accept any interference received, including
interference that may cause undesired operation.
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PRODUCT OVERVIEW
Circuit Breaker Rating / Maximum Output
Power Output
For maximum power output, install a standard double pole 60 amp circuit
breaker.
Wall Connector incorporates automatic load management, which allows the max
output to be customized to an existing power supply.
If the electrical supply is unable to support the 60 amp configuration, select
a lower amperage configuration.
Circuit breaker (amps) 60 50 40 30 20 15
Max output (amps) 48 40 32 24 16 12
Power output at 240 volts (kW) 11.5 9.6 7.6 5.7 3.8 2.8
NOTE: External disconnect switches are neither required nor recommended.
NOTE: Circuit breaker size is programmed during the commissioning process. See
Commissioning Procedure on page for details.
NOTE: Some Tesla vehicles may draw less current than the max output. Actual
charging rate depends on Wall Connector output and onboard charger in the
vehicle.
Branch Circuit Conductors and Ground Wire
· If installing for less than maximum power, refer to local electrical code to
select correct conductors and ground wire size that are suitable for the
chosen circuit breaker.
· For maximum power, check temperature rating of circuit breaker used: For
60°C rated circuit breaker, use minimum 4AWG, 90°C THWN-2-rated copper wire
for conductors. For 75°C rated circuit breaker, use minimum 6AWG, 90°C
THWN-2-rated copper wire for conductors.
NOTE: Increase conductor size if necessary.
· For sites with multiple Wall Connectors, the power sharing feature can
enable the safe utilization of a single branch circuit. See single line
examples in Breaker and Branch Circuit Setup on page 33.
· COPPER WIRE TERMINATIONS ONLY for landing in Wall Connector wirebox
terminals. Conductors can be stranded or solid.
· Hardwire branch circuits to disconnects or circuit breakers. Do NOT install
cord-and-plug type connections.
· For outdoor installations, use watertight fittings when securing feeder
wires to the wirebox.
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PRODUCT OVERVIEW
Grounding Connections
Wall Connector must have a ground path back to the main equipment earthing
point on site. Without a proper ground connection, the Wall Connector will
fault during a ground assurance test. Equipmentgrounding conductor must be run
with the circuit conductors and connected to the equipment-grounding terminal
in the wirebox. Install a ground (PE) wire sized according to local electrical
code.
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PRODUCT OVERVIEW
Using Wall Connector
1. To use NACS handle, remove the NACS connector from the holster.
To use J1772 handle, press the black button on the J1772 adapter to remove the
handle from the dock.
2. Insert the charge handle into the vehicle charge port. 3. Check the
vehicle controls or the Tesla app to verify charging. 4. To remove the charge
handle from the vehicle, press and hold the button on the handle to unlock the
charge port. NOTE: The vehicle must be unlocked for the charge handle to be
removable.
5. Remove the charge handle from the vehicle charge port. 6. Wrap the charge
cable counter-clockwise around the Wall Connector and insert the charge handle
into
the holster.
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PRODUCT OVERVIEW
Features
Connectivity
Wall Connector is equipped with Wi-Fi to communicate with local site routers,
vehicles, mobile devices, other Wall Connectors, and other Tesla products.
Press and hold the button on the connector for 5 seconds. The Wall Connector
will then be available to connect to WiFi for 15 minutes.
Hosted Access Point
Wall Connector hosts a WPA2 password-secured, 2.4 GHz, 802.11 Wi-Fi access
point network to facilitate commissioning and connecting to other devices.
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PRODUCT OVERVIEW
A unique SSID Wi-Fi network name and WPA2 password for connecting to the Wall
Connector are printed on a label at the rear of the main unit, as well as on
the front cover of the Quickstart Guide included in the box.
Local Network
Connecting Wall Connector to a local Wi-Fi network enables it to receive over-
the-air firmware updates, remote diagnostics access, and usage data tracking
capability. A Wi-Fi connection is required for sites that utilize
authentication, billing, and other property management features.
Wall Connector only supports WPA2/3-secured, 2.4 GHz, 802.11 infrastructure
mode networks.
NOTE: Networks that are not password protected are not supported. The Wall
Connector will not display non-password protected networks in the options
list.
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PRODUCT OVERVIEW
Ground Fault Circuit Interruption
Integrated ground fault circuit interruption (GFCI) protection automatically
detects a current mismatch between power delivery conductors that would
indicate that current is flowing through the ground (PE) conductor.
If a ground fault occurs after 10 seconds of charging, Wall Connector will
wait 15 minutes before automatically re-attempting to charge. Up to four
attempts to charge will be made before user interaction is required.
If a ground fault occurs within 10 seconds of charging, Wall Connector will
lock out and user interaction is required to restore charging functionality.
Recommended interaction includes pressing the button on the charging handle,
or removing the charging handle from the vehicle and reinserting it. If this
does not resolve the issue, look for a ground fault issue such as water
ingress.
Ground Assurance
Wall Connector continuously checks for the presence of a safe ground
connection and automatically recovers from faults. Ground assurance operates
by injecting a small amount of current into the ground conductor in order to
measure the impedance between line and ground. If high impedance is detected,
the Wall Connector will lock out charging and display a fault code of two (2)
red blinks. See Fault Codes on page 43 for a full list of fault codes.
For ground assurance to operate on TN grids, one leg of the distribution
transformer must be ground bonded (Neutral). Ground bond should only occur at
one location in a site’s electrical system.
Wall Connector ground assurance may be adjusted in countries with TT or IT
grid configurations and can be disabled in the commissioning procedure.
The Ground Monitor Interrupter feature monitors the Wall Connector ground
connection. Select the correct option based on the installation’s earthing
system and earth impedance.
Depending on country, three options are available: · Enable: Ground connection
will be monitored and a high detected. Ground resistance will disable the Wall
Connector. This is the preferred setting to provide protection, and should be
selected where ground connection is expected to be strong (as in the case on
TN networks and most TT networks), and where required by regulation. ·
Monitor: Ground connection will be monitored but a high detected ground
resistance will not disable the Wall Connector. This should be selected if the
ground monitoring check yields false positives and ground impedance cannot be
improved (as is the case in some TT networks). · Disabled: Ground connection
will not be monitored. This should be selected where the ground connection is
not made (as is the case for IT networks), or where the current induced by
this check would be problematic (as is the case on some TT networks with
sensitive residual-current devices).
NOTE: Ground Monitoring is always enabled for installations in North America.
Temporary problems such as ground faults or utility power surges are resolved
automatically.
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PRODUCT OVERVIEW
Power Outages
If there is a power outage while Wall Connector is charging a vehicle,
charging will automatically resume within 1 to 3 minutes after power
restoration. The Wall Connector will display a solid blue light on the
faceplate to indicate that it is communicating with the vehicle and waiting to
resume charging. Alternatively, pressing the button on the charge handle after
power restoration will cause Wall Connector to resume charging immediately.
NOTE: Wall Connectors in a power sharing group maintain their power shaing
settings after a power loss event.
Firmware Updates
Firmware updates will be automatically applied to the Wall Connector to
improve the user experience and introduce new features. Connect Wall Connector
to Wi-Fi for access to the most recent firmware update. See Commissioning
Procedure on page .
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PRODUCT OVERVIEW
Wall Connector External Components
“Wall Connector” refers to the product as a whole.
1. Faceplate 2. Light bar (vertical) 3. Main unit 4. J1772 charge port
adapter 5. NACS handle
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PRODUCT OVERVIEW
Wall Connector Internal Components
1. RS-485 port 2. Contact blades 3. Temperature sensor 4. Conductor terminals
5. Zip tie anchor 6. Sliding contacts 7. Wirebox drainage opening (enables
Type 3R protection)
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In the Box
INSTALLATION
Main Unit
Wirebox
Wirebox Mounting Template
Hex Bit 4 mm
Zip tie (x1)
Main Unit-to-Wirebox Fastener (x4)
Wirebox-toWall Fastener
(x2)
Quickstart Guide (contains sticker with SSID network name and unique password)
Sticker for breaker
NOTE: The hex bit, zip tie, and fasteners are located in a plastic bag inside the wirebox, which comes attached to the main unit of the Wall Connector.
NOTE: Wall anchors are not included. If installing in concrete or other like materials, use ¼ in (6 mm) wall plugs.
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INSTALLATION
Tools
Required Tools NOTE: Drill bit sizes assume wood mounting surfaces.
Torque Driver (50 in lb ) (5.6 Nm)
Multimeter
Stud Finder
Tape Measure
Wire Stripper
Drill Bit, 3/16 in (5 mm) Drill Bit, 3/32 in (2.5 mm)
Bit Driver
Level Optional Tools
Smartphone (with Wi-Fi)
Power Drill
Step Bit, 1-1/8 in (29 mm)
Step Bit, 1-3/8 in (35 mm)
Computer (with Wi-Fi)
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INSTALLATION
Installation Considerations
Wall Connector may be installed on any flat, vertical surface capable of
supporting its weight (e.g. wall, pedestal, etc.). Wall Connector weighs
~13lbs (5.7kg). Choosing Location Install Wall Connector in a location that
allows the charge cable to reach the vehicle charge port without putting
strain on the cable. Recommended installation area for Wall Connectors with 24
ft (7.3 m) cable:
Install Wall Connector in a location with ample clearance on all sides to
allow the charge cable to loop around the unit and the charge handle to
comfortably land in the side dock.
Choosing Height
· Maximum height (indoor and outdoor): 60 in (1.52 m) · Recommended height: ~45 in (~1.15 m)
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INSTALLATION
· Minimum outdoor height: 24 in (0.6 m) · Minimum indoor height: 18 in (0.45
m) Maximizing Wi-Fi Signal Reception Wall Connectors should be connected to a
local Wi-Fi network for optimal functionality. For maximum signal reception,
avoid installing Wall Connector on opposite sides of concrete, masonry, metal
studs, and other physical obstructions that could impede Wi-Fi signal
reception.
NOTE: If a mobile device is able to connect to local Wi-Fi at a given
location, it is a good indication that Wall Connector will also be able to
connect.
Wire Entry Options
Wall Connector’s wirebox has multiple wire entry options. Choose one entry
path and follow installation instructions based on chosen entry path.
1. Top entry location 2. Rear entry locations (left or right) 3. Bottom entry
location
For additional installation considerations on sites that will have multiple
Wall Connectors, see Considerations for Power Sharing on page 34.
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INSTALLATION
Step 1: Prepare Wirebox for Conduit Fittings and Bushings
The default conduit size is 3/4 in (21 mm). 1 in (27 mm) conduit is acceptable if needed.
Based on fittings and conduit size, prepare the wirebox. · For top or bottom entry: Manually remove the conduit plug. · For rear entry: Drill with 1-1/8 in (29 mm) step bit to prepare wirebox for fittings.
Top Entry
Table 1. For 3/4 in (21 mm) Conduit
Bottom Entry
Rear Left Entry
Rear Right Entry
Top Entry
1-1/8 in (29 mm)
Table 2. For 1 in (27 mm) Conduit
Bottom Entry
Rear Left Entry
1-1/8 in (29 mm) Rear Right Entry
Do not expand.
1-3/8 in (35 mm)
1-3/8 in (35 mm)
1-3/8 in (35 mm)
NOTE: For 1 in (27 mm) rear and bottom entry options, drill with 1-3/8 in (35 mm) step bit to prepare wirebox for fittings.
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INSTALLATION
Step 2: Prepare Mounting Surface
1. If applicable, use a stud finder to locate a wooden support stud. Plywood,
or other flat wall surfaces capable of supporting the weight of the Wall
Connector, may also be used.
2. Based on the chosen wire entry path, position the included cardboard
mounting template onto the installation surface and use a 3/32 in (2.5 mm) bit
to drill two pilot holes (one from the top row and one from the bottom row.
NOTE: When installing for rear left or rear right wire entry, select the two
mounting holes that are on the opposite side of the wire entry point. NOTE:
Use a level tool with the cardboard mounting template to ensure a level
installation as desired.
Drill bit, 3/32 in (2.5 mm) Top Entry
Bottom Entry
Rear Left Entry
Rear Right Entry
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INSTALLATION
Step 3: Prepare Wirebox and Mount to Wall
1. Use a 3/16 in (5 mm) bit to drill two pilot holes into the wirebox that
match the locations chosen on the cardboard mounting template.
Drill bit, 3/16 in (5 mm) Top Entry
Bottom Entry
Bottom Left Entry
Bottom Right Entry
2. Attach the wirebox to the mounting location using the included 4 mm hex
bit and the two included wood fastener screws.
NOTE: Type 3R rating is only possible when washers have sealing gaskets. If
mounting to alternate surface (such as a prefabricated pedestal), use
alternate fasteners with sealing washers. NOTE: The wood fastener screws are
designed to support the weight of the entire Wall Connector, cable, and
charging handle.
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INSTALLATION
Step 4: Route Wiring Through Wirebox
1. Route wiring into selected entry point and through the service loop channel on the right side of the wirebox.
Top Entry
Bottom Entry
Rear Left Entry
Rear Right Entry
2. Use appropriate cable glands, bushings, or fittings to secure the wiring
in place and protect from water and debris intrusion. CAUTION: Ensure that
bushings are in place to avoid damage to conductors and ground wire when
pulled into wirebox.
CAUTION: Use copper conductors only.
NOTE: Compression-style fittings are recommended to prevent interference.
NOTE: For top or bottom wire entry, if installing fittings with a set screw,
ensure that the screw is positioned to avoid interference with Wall Connector
cables.
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INSTALLATION
Step 5: Strip and Land Wiring
1. Strip insulation from wires ~1/2 in (~13 mm), route through service
channel, and land each wire in its correct terminal block. NOTE: Terminals are
bi-directional.
2. Secure the wiring in the service channel using the included zip tie.
3. Use a torque driver and the included 4 mm hex bit to torque the terminal
screws to 50 in lb (5.6 Nm).
NOTE: When installing Wall Connector in a split phase electrical system, use
Line-to-Line instead of Line-to-Neutral.
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INSTALLATION
Step 6: Attach Wall Connector to Wirebox
1. Attach the main unit to the wirebox by pushing it inward.
2. Secure the main unit to the wirebox with the four included fasteners and
the included 4 mm hex bit using a bit driver, applying pressure to the
faceplate during the process to compress the internal seal. Firmly hand-
tighten the four fasteners until they are secure. NOTE: Do not use a power
drill for this step.
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INSTALLATION
Step 7: Energize Wall Connector
1. Energize the Wall Connector by turning on the upstream circuit breaker.
NOTE: To energizing a leader/follower unit turn on the upstream circuit
breaker, though multiple units will be fed by one breaker and multiple will
turn on when the breaker is flipped.
There’s no difference in energizing a leader/follower unit except that
multiple units will be fed by 1 breaker, so multiple will turn on when the
breaker is flipped. Gen 3 Wall Connector
The Wall Connector’s LEDs will turn on. See Wall Connector LEDs on page 42. 2.
Proceed with commissioning.
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COMMISSIONING PROCEDURE
The commissioning process for Wall Connector enables easy configuration of
circuit breaker size, Wi-Fi connectivity, and power sharing options. The Quick
Start Guide is included with the Wall Connector and contains a QR code that is
used to connect to Wall Connector to perform device setup.
NOTE: Ensure the Quick Start Guide is not discarded as the QR code may be
required in the future! If the QSG is missing, you can find the SSID and
password inside the unit. To access the QR code, remove the face plate and
scan the QR code inside. CAUTION: Start the device setup equipment entry
process only when the Wall Connector is powered on. Do not connect to any load
when the face plate is separated from the main unit. 1. Using the smartphone
camera, scan the QR label on the Quick Start Guide.
If the Tesla Pros app has not yet been installed, follow the prompts to
install the app. If the Tesla Pros app is already installed, ensure it has
been updated to version 10.8 or greater
(select More, then select Settings, then the app version to see if an update
is available).
NOTE: Tesla Pros gets new features every week, so update frequently! The app should automatically update but it is best practice to check for new updates, and manually update when one is available.
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COMMISSIONING PROCEDURE
2. Log in to Tesla Pros using your Tesla Partner Portal account, or select
Create Account to create a new account.
NOTE: Apple users may be prompted to allow Tesla Pros to find and connect to
devices on the local network. Select Allow or OK, as this is required to
connect to the Wall Connector Wi-Fi network. If the prompt does not
automatically appear, permission can be granted by selecting Settings > Apps >
Tesla Pros > Local Network.
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COMMISSIONING PROCEDURE
NOTE: Android users may be prompted to allow Location Consent. Allow all the
time or Allow only while using the app, as this is required to allow Tesla
Pros to find and connect to devices. If the prompt does not automatically
appear, permission can be granted by selecting Settings > Apps > Tesla Pros >
Location.
3. Select Installs, then select Begin.
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COMMISSIONING PROCEDURE
4. Select Scan QR Code, then use the smartphone camera to scan the QR code on
the Quick Start Guide again.
5. On the charge handle, press and hold the handle button for 5 seconds. Wait for the LED to pulse green, then select Join.
6. See Wall Connector Device Setup in Tesla Pros to continue Device Setup.
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POWER SHARING
Power Sharing Overview
The firmware-based power sharing feature enables up to 6 Wall Connectors
installed at the same site to intelligently share the site’s total available
power via unit-to-unit Wi-Fi. This minimizes the need for many residential and
commercial applications to have specific electrical upgrades for concurrent
multi-vehicle charging.
During the commissioning process, · Wall Connectors are allocated to
individual branch circuits (each up to 60 amps) · Total power is allocated to
the group of linked Wall Connectors
NOTE: For instructions to commission Wall Connectors in a power sharing
network, see Gen 3 Wall Connector Power Sharing.
Total current output of Wall Connectors that share power will never exceed the
site’s total allocated power.
1. AC feed (service panel) 2. Power sharing via Wi-Fi communication
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POWER SHARING
Breaker and Branch Circuit Setup
Power sharing circuits may be installed in an electrical panel that supports
other loads. If space is limited or the main power supply is far from the Wall
Connectors, installing a dedicated load center may be prudent. See below for
examples of Wall Connector power sharing diagrams (one with sub-panel and one
without). Each individual Wall Connector in below examples is capable of
providing 48 amps when it is the only one in use. As more Wall Connectors
begin plugging into vehicles, the system will automatically distribute power
based on the total power allocated to the site.
Power Sharing Setup With Single Branch Circuit
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POWER SHARING
Considerations for Power Sharing
Wall Connector power sharing is achieved wirelessly.
For optimal performance, Wall Connectors within a power sharing network should
be installed within view of each other whenever possible.
NOTE: Line of sight is recommended but not required. Wireless communication is
capable of reaching around concrete corners but network range may degrade as a
result.
Avoid placing Wall Connectors on opposite sides of concrete, masonry, metal
studs, and other physical obstructions that would impede Wi-Fi signal
strength.
NOTE: If a mobile device is able to connect to the Leader Wall Connector Wi-
Fi, it is a good indication that the Follower Wall Connector will also be able
to connect.
Calculating Power Sharing Requirements for Existing Systems
To calculate power supply requirements per number of Wall Connectors for
existing electrical systems, use the following equation:
Available continuous amperage:
Number of Wall Connectors: Max amperage output per Wall Connector when 100% utilized:
_____ ÷ ____ = ____
NOTE: Maximum number of Wall Connectors for power sharing is 6.
NOTE: When calculating maximum amperage per Wall Connector, 100% utilization must be greater than 6 amps for power sharing operation. If maximum amperage is greater than 48 amps, power sharing is not necessary.
For large scale sites, consider expected parking time in relation to a 100% utilization rate.
Expected Park Time (hours)
Examples
6+ (long term)
3-5 (medium term) 1-2 (short term)
Long term parking, overnight parking
Workplace, hospitality
Shopping and dining
Recommended Amperage per wall Connector at 100% Utilization 12+ amps
24+ amps 32+ amps
NOTE: 100% utilization represents the worst case scenario for charging speeds, where the least amount of power would be available for each individual vehicle. In most situations, not all Wall Connectors would be actively charging a vehicle, which enables faster charging for the remaining vehicles.
Setting Up Power Sharing
Power sharing is a firmware feature that allows up to six Gen 3 Wall
Connectors to limit their total grid current draw to a specified maximum
current. This enables more connector installations and higher charging
throughput by allowing individual Wall Connectors to be installed at their
full current branch circuit capability, while setting a total allocated
current so that the electrical service is not overloaded.
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POWER SHARING
Firmware
Wall Connector firmware version 21.18.0 or higher is required for Power
Sharing operation. Connecting a Wall Connector to local Wi-Fi will allow for
automatic firmware updates.
Terms
Power sharing network
Leader
Follower Network Limit Network Current Network Size Fallback (Fair) Limit
Pilot Current
Vehicle Current
Branch Circuit
Shared Panel
Dedicated EV Panel
Table 3. A set number of Gen 3 Wall Connectors commissioned for wireless
communication. A power sharing network shall consist of one Leader and
multiple Follower Wall Connectors.
Refers to the Wall Connector unit that is set up as the sole controller of
current allocation in a power sharing network. Acts as the primary controller
of Follower Wall Connectors.
A Wall Connector under the control of a Leader.
The maximum total current a power sharing network is allowed to consume in
amps.
The sum total current of all Wall Connectors set up in a sharing network, in
amps.
The total number of Wall Connectors configured in a power sharing network.
The maximum safe fallback current for a unit if communication is lost. Equal
to (network limit) / (network size) bounded to within a single unit’s
capability.
The current limit advertised to a connected vehicle by a single Wall Connector
in amps.
The actual measured current consumption of a vehicle connected to a Wall
Connector in amps.
The circuit conductors between the final overcurrent device protecting the
circuit and the Wall Connector.
A load center with multiple Wall Connector branch circuits, in additional to
other unrelated electrical loads.
A load center which is fully dedicated to Tesla Wall Connectors installed for
power sharing.
Installation Options Electric vehicle branch circuits can be installed in shared panels or dedicated EV panels.
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POWER SHARING
Example 1: Dedicated EV Panel
Table 4. Example 2: Shared Panel
Setup Instructions – Order of Operations
1. Confirm each Wall Connector has firmware version 21.18.0 or higher to
enable power sharing. In the Wall Connector Commissioning wizard, this can be
found under the ‘Software’ card.
NOTE: When connecting to multiple wall connector, disable the auto-join
network feature to ensure that your device does not re-join a Wall Connector
you are no longer working on.
2. Once firmware version is confirmed, in the ‘Installation’ card of the
commissioning wizard, set the country and power level for each Wall Connector.
It is recommended to install each at the max circuit capacity; however, the
branch circuit can be set to a lower output.
3. Designate a leader Wall Connector and add its follower units – see next
page for more details. 4. Tap the ‘Enabled’ button on the leaders power
sharing configuration page. 5. Connect the leader Wall Connector to the local
Wi-Fi network, the leader in a power sharing network
will share the Wi-Fi credentials with the follower units.
Power Sharing Commissioning
To begin, connect to the Commissioning Wizard for one of the Wall Connectors.
This Wall Connector will become the “leader” unit and will be responsible for
communicating available amperage to the network.
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POWER SHARING
1. Select Power Sharing from the Commissioning Wizard:
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2. Select Add Follower to begin pairing process:
1. Follow on screen instructions to add a second Wall Connector by either scanning QR code from Quick Start Guide or manually entering the SSID and WPA2 info:
SCAN QR CODE
Locate Quick Start guide of the Wall Connector you want to add to the network
ENTER MANUALLY
Input SSID and WPA2 info from the Wall Connector you want to add to the
network
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POWER SHARING
NOTE: The Wall Connector you are adding must broadcast its own Wi-Fi SSID
signal. Press and hold the handle button for 5 seconds. 2. Repeat process to
add more Wall Connectors to the network. All added Wall Connectors become
followers in the network. 3. Select “Power Sharing Settings” to program a
network limit.
4. In the field, input the network limit:
5. NOTE: This is the maximum total current a power sharing network is allowed
to consume in amps. This represents the continuous current which the network
will not exceed. An electrician will need to determine the correct amount of
amperage and confirm that the load center has appropriate overcurrent
protection
Expected Behaviors · SSID access point of all Wall Connectors in a power
sharing network will continue to broadcast. · Removing a Wall Connector from a
network will temporarily set that device’s max output to 6 amps. Cycle circuit
breaker to reset Wall Connector to original configuration setting. · Leader
Wall Connector will share site Wi-Fi with follower Wall Connectors.
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POWER SHARING
How to View Existing Power Sharing Networks
Leader Home Page
Table 5. Leader Settings Page
Follower Home Page
Follower Settings Page
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REGISTERING THE WALL CONNECTOR IN THE TESLA APP – VEHICLE OWNERS
The Wall Connector can be registered in the Tesla App for an enhanced user
experience including product warranty registration, charging history, and
troubleshooting.
1. Open the Tesla app for iOS or Android. 2. Tap the account icon in the top
left corner of the screen. 3. Tap Add / Remove Products. 4. Tap Wall Connector
under the `add’ list. 5. Follow prompts to schedule charging and connect your
Wall Connector to your home Wi-Fi network.
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WALL CONNECTOR LEDS
Light Codes
Startup Once energized at the circuit breaker, every LED (seven total) on the
faceplate will illuminate for up to five seconds.
After Startup
After Wall Connector is energized at the circuit breaker, certain green LEDs
(depending on the circuit breaker size) will illuminate for 10 seconds. See
table below for exact light codes.
Circuit breaker Maximum output
60 A 48 A
50 A 40 A
40 A 32 A
30 A 24 A
20 A 16 A
15 A 12 A
NOTE: To re-display the green LEDs after the initial 10 seconds, press and hold the charging handle button.
When multiple Wall Connectors are linked for power sharing, the center blue LED will illuminate during the 10-second startup window.
Other
Standby, waiting to plug in
Charging in progress
SSID broadcasting, ready to commission
Waiting to charge, communicating with vehicle
Top green solid
Every green streaming
Green pulsing
Blue solid
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WALL CONNECTOR LEDS
Fault Codes
All red blink codes pause for one second, and then repeat.
Light Bar
What It Means
Details
No Lights
Power supply issue, charging disabled
Verify that the power supply is turned on. If the issue persists, have an electrician remove the Wall Connector from the wirebox and confirm that voltage is present at the terminal block using a multimeter. Record the voltage readings for the following: L1 to L2/N, L1 to Ground, L2/N to Ground.
Solid red
Internal fault, charging disabled
Turn the circuit breaker off, wait 5 seconds, and turn it back on. If solid red light remains, document part number and serial number, then contact Tesla Energy.
One (1) red blink
Ground fault circuit interruption due to unsafe current path, charging disabled
Inspect the handle, cable, Wall Connector, and vehicle charge port for damage or signs of water ingress. Have an electrician check that ground is not directly connected to a conductor wire in the branch circuit.
Ground assurance
Two (2) red fault, high ground
blinks
resistance detected,
charging disabled
Verify that the Wall Connector is properly grounded. The ground connection must be bonded in the upstream power supply for proper operation. Check all physical connections, including the wirebox terminals, electrical panel(s), and junction boxes. In residential power supplies, check the bond between ground and neutral at the main panel. If connected to a step-down transformer, contact the transformer’s manufacturer for direction on how to bond the ground connection.
Three (3) red blinks
High temperature detected; charging limited or disabled
Verify that Wall Connector is connected to Wi-Fi and updated with the latest available firmware for optimal temperature sensing functionality. Check the faceplate and cable handle for excessive warmth. Have an electrician remove the Wall Connector from the wirebox and verify that the conductors used are sized correctly and that the terminal block is torqued to specification. Connect Wall Connector to Wi-Fi so that firmware can update to most recent version. If firmware does not automatically update, use the Commissioning Procedure on page to sign into the commissioning wizard and manually update the firmware. If it does not solve the problem, contact our Customer Support team.
Six (6) red blinks
Overvoltage or poor grid quality detected, charging disabled
Verify that the power supply is nominal 200-240 volts. If the issue persists, have an electrician remove the Wall Connector from the wirebox and confirm that voltage readings are as expected at the terminal block using a multimeter. Record the voltage readings for the following: L1 to L2/N, L1 to Ground, L2/N to Ground.
Seven (7) red blinks
Vehicle overcurrent detected
Reduce the vehicle’s charge current setting. If the issue persists and the attached vehicle is manufactured by Tesla, record the vehicle’s VIN and approximate time of the fault and contact Tesla. If the vehicle is not manufactured by Tesla, contact the vehicle’s manufacturer.
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TORQUE SPECIFICATIONS
Electrical Terminations
Table 6. Torque Specifications Component
Specification strip to 13 mm
Terminal Connections M4 screws (x4)
50 in lb (5.6 Nm)
N/A
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WARRANTY INFORMATION
Subject to the exclusions and limitations described below, the Charging
Equipment Limited Warranty covers the refund, repair or replacement necessary
to remedy any manufacturing defects in a Tesla manufactured and supplied Wall
Connector that occur under normal personal use for a period of 48 months, or a
period of 12 months for normal commercial use, and a Tesla manufactured and
supplied Mobile Connector or charging adapter that occur under normal use for
a period of 12 months, starting from the date of invoice to the customer for
any charging equipment. Any Tesla manufactured and supplied connector or
adapter included in the initial purchase and delivery of a Tesla vehicle by
Tesla is covered under the Basic Vehicle Limited Warranty section of the New
Vehicle Limited Warranty for 4 years or 50,000 miles (80,000 km), whichever
comes first, subject to the terms and conditions of the New Vehicle Limited
Warranty.
For warranty claims specific to Wall Connectors, “commercial use” means Wall Connectors used for purposes other than charging at a residential single family home for daily personal use, which includes, but is not limited to, charging at hotels, offices, parking lots and complexes (including apartment, condominiums and other multi-family or unit dwellings), and retail and other locations that allow (including by being listed online or publicly) for pay-for-use charging, or are located where users other than the owner could reasonably obtain access to the Wall Connector.
This Charging Equipment Limited Warranty does not cover any damage or
malfunction directly or indirectly caused by, due to, or resulting from,
normal wear or deterioration, abuse, misuse, negligence, accident, lack of or
improper installation, use, maintenance, storage or transport, including, but
not limited to, any of the following:
Failure to follow the instructions, operation, maintenance and warnings
published in the documentation supplied with your Tesla connector or adapter;
External factors, including but not limited to, objects striking the Tesla
connector or adapter, faulty or damaged electrical wiring or connections,
external electrical faults, junction boxes, circuit breakers, receptacles or
power outlets, the environment or an act of God, including, but not limited
to, fire, earthquake, water, lightning and other environmental conditions;
General appearance or damage to paint, including chips, scratches, dents and
cracks;
Failure to contact Tesla upon discovery of a defect covered by this Charging
Equipment Limited Warranty;
Any repair, alteration or modification to the Tesla connector or adapter or
any part, or the installation or use of any parts or accessories, made by a
person or facility not authorized or certified to do so; and
Lack of or improper installation, repair or maintenance, including use of non-
genuine Tesla accessories or parts.
Although Tesla does not require you to perform all maintenance, service or
repairs at a Tesla Service Center or Tesla authorized repair facility, this
Charging Equipment Limited Warranty may be voided, or coverage may be
excluded, due to lack of or improper maintenance, service or repairs. Tesla
Service Centers and Tesla authorized repair facilities have special training,
expertise, tools and supplies with respect to Tesla connectors and adapters
and, in certain cases, may employ the only persons, or be the only facilities
authorized or certified to work on Tesla connectors and adapters. Tesla
strongly recommends that you have all maintenance, service and repairs done at
a Tesla Service Center or Tesla authorized repair facility in order to avoid
voiding, or having coverage excluded under, this Charging Equipment Limited
Warranty.
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WARRANTY INFORMATION
Limits of Liability
This Charging Equipment Limited Warranty is the only express warranty made in
connection with your Tesla connector or adapter. Implied and express
warranties and conditions arising under applicable local laws, federal statute
or otherwise, in law or in equity, if any, including, but not limited to,
implied warranties and conditions of merchantability or merchantable quality,
fitness for a particular purpose, durability, or those arising by a course of
dealing or usage of trade, or any warranties against latent or hidden defects,
are disclaimed to the fullest extent allowable by your local law, or limited
in duration to the term of this Charging Equipment Limited Warranty. To the
fullest extent allowable by your local law, the performance of necessary
repairs and/or replacement of new, reconditioned, or remanufactured parts by
Tesla for the covered defects is the exclusive remedy under this Charging
Equipment Limited Warranty or any implied warranties. To the maximum extent
permissible under your local law, liability is limited to the reasonable price
for repair or replacement of the applicable Tesla connector or adapter, not to
exceed the manufacturer’s suggested retail price. Replacement may be made with
parts of like kind and quality, including non-original manufacturer’s parts,
or reconditioned or remanufactured parts, as necessary. This Charging
Equipment Limited Warranty covers only parts and factory labor necessary to
repair but does not include any on-site labor costs related to un-installing,
reinstalling or removing the repaired or replacement charging equipment. Parts
repaired or replaced, including replacement of a Tesla connector or adapter,
under this Charging Equipment Limited Warranty are covered only until the
applicable warranty period of this Charging Equipment Limited Warranty ends,
or as otherwise provided by applicable law. Under no circumstances will the
original warranty period be extended as a result of your Tesla connector or
adapter being repaired or replaced.
Tesla shall not be liable for any defects under this Charging Equipment
Limited Warranty that exceed the fair market value of the applicable Tesla
connector or adapter at the time immediately preceding the discovery of the
defect. In addition, the sum of all benefits payable under this Charging
Equipment Limited Warranty shall not exceed the price you paid for the
applicable Tesla connector or adapter.
Tesla does not authorize any person or entity to create for it any other
obligations or liability in connection with this Charging Equipment Limited
Warranty. Subject to local laws and regulations, the decision of whether to
repair or replace a part or to use a new, reconditioned or remanufactured part
will be made by Tesla, in its sole discretion. Tesla may occasionally offer to
pay some or all of the cost of certain repairs that are not covered by this
Charging Equipment Limited Warranty, either for specific models or on an ad
hoc, case-by-case basis. Tesla reserves the right to do the above at any time
without incurring any obligation to make a similar payment to other Tesla
charging equipment owners.
To the maximum extent permissible under local law, Tesla hereby disclaims any
and all indirect, incidental, special and consequential damages arising out
of, or relating to, the Tesla connector or adapter, including, but not limited
to, transportation to and from a Tesla Authorized Service Center, loss of the
Tesla connector or adapter, loss of vehicle value, loss of time, loss of
income, loss of use, loss of personal or commercial property, inconvenience or
aggravation, emotional distress or harm, commercial loss (including but not
limited to lost profits or earnings), towing charges, bus fares, vehicle
rental, service call charges, gasoline expenses, lodging expenses, damage to
tow vehicle, and incidental charges such as telephone calls, facsimile
transmissions, and mailing expenses.
The above limitations and exclusions shall apply whether your claim is in
contract, tort (including negligence and gross negligence), breach of warranty
or condition, misrepresentation (whether negligent or otherwise), or otherwise
at law or in equity, even if Tesla is advised of the possibility of such
damages or such damages are reasonably foreseeable.
Nothing in this Charging Equipment Limited Warranty shall exclude, or in any
way limit, Tesla’s liability for death or personal injury solely and directly
caused by Tesla’s negligence, or that of its employees, agents or sub-
contractors (as applicable), fraud or fraudulent misrepresentation, or any
other liability to the extent the same is proven in a court of competent
jurisdiction in a final nonappealable judgment and may not be excluded or
limited as a matter of local law.
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WARRANTY INFORMATION
Dispute Resolution
To the fullest extent allowed by local law, Tesla requires that you first
provide written notification of any manufacturing defect within a reasonable
time, and within the applicable coverage period specified in this Charging
Equipment Limited Warranty, and allow Tesla an opportunity to make any needed
repairs before submitting a dispute to our dispute settlement program
(described below). Please send written notification on dispute resolution to
the following address:
Vehicles registered in the U.S.:
Tesla, Inc
3500 Deer Creek Road
Palo Alto, California
Attention: Charging Equipment Warranty Claims
Phone number: 1-877-79-TESLA
(1-877-798-3752)
Please include the following information:
· Tesla connector or adapter invoice date · Your name and contact information
· Name and location of the Tesla Store and/or Tesla Service Center nearest to
you · Description of the defect · History of the attempts you have made with
Tesla to resolve the concern, or of any repairs or services
that were not performed by Tesla · In the event any disputes, differences, or
controversies arise between you and Tesla related to this
Charging Equipment Limited Warranty, Tesla will explore all possibilities for
an amicable settlement
Agreement to Arbitrate
Please carefully read this provision, which applies to any dispute between you
and Tesla, Inc. and its affiliates (together “Tesla”).
If you have a concern or dispute, please send a written notice describing it
and your desired resolution to resolutions@tesla.com.
If not resolved within 60 days, you agree that any dispute arising out of or
relating to any aspect of the relationship between you and Tesla will not be
decided by a judge or jury but instead by a single arbitrator in an
arbitration administered by the American Arbitration Association (AAA) under
its Consumer Arbitration Rules. This includes claims arising before this
Charging Equipment Limited Warranty, such as claims related to statements
about our products.
Tesla will pay all AAA fees for any arbitration, which will be held in the
city or county of your residence. To learn more about the Rules and how to
begin an arbitration, you may call any AAA office or go to www.adr.org.
The arbitrator may only resolve disputes between you and Tesla and may not
consolidate claims without the consent of all parties. The arbitrator cannot
hear class or representative claims or requests for relief on behalf of others
purchasing or leasing Tesla products. In other words, you and Tesla may bring
claims against the other only in your or its individual capacity and not as a
plaintiff or class member in any class or representative action. If a court or
arbitrator decides that any part of this agreement to arbitrate cannot be
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WARRANTY INFORMATION
enforced as to a particular claim for relief or remedy (such as injunctive or
declaratory relief), then that claim or remedy (and only that claim or remedy)
shall be severed and must be brought in court and any other claims must be
arbitrated.
If you prefer, you may instead take an individual dispute to small claims
court.
You may opt out of arbitration within 30 days after signing this Charging
Equipment Limited Warranty by sending a letter to: Tesla, Inc.; P.O. Box
15430; Fremont, CA 94539-7970, stating your name, product, and intent to opt
out of the arbitration provision. If you do not opt out, this agreement to
arbitrate overrides any different arbitration agreement between us, including
any arbitration agreement in a lease or finance contract.
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Revision 1.0
References
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