Delta AC MAX User manual

Installation and operation manual
AC MAX
NA-Smart version
Version: 1.0.1
Issue date: 2022-02

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Table of Contents
1Information................................................................................................................................3
1.1 Copyright ....................................................................................................................3
1.2 Intended use...............................................................................................................3
1.3 Important safety instructions.......................................................................................3
1.4 Operator‘s duty of supervision ....................................................................................5
1.5 EMC Compliance Statement ......................................................................................5
1.6 Model series ...............................................................................................................7
1.7 Product overview........................................................................................................8
2Installation .............................................................................................................................. 11
2.1 Prepartion before start.............................................................................................. 11
2.2 Installation steps.......................................................................................................12
3Commissioning .......................................................................................................................19
3.1 Connection setting....................................................................................................19
3.2 Login.........................................................................................................................21
3.3 Configuration ............................................................................................................22
3.4 Edit password ...........................................................................................................25
3.5 Maintenance.............................................................................................................25
3.6 Forgot password.......................................................................................................29
4Operation................................................................................................................................ 30
4.1 Start charging ...........................................................................................................30
4.2 Stop charging ...........................................................................................................30
5LED Indicator..........................................................................................................................30
5.1 Fault events..............................................................................................................31
5.2 Symbol description ...................................................................................................31
6Troubleshooting ......................................................................................................................32
7Specifications .........................................................................................................................33
8Moving, Transportation and Storage.......................................................................................34
9Cleaning .................................................................................................................................34
10 Warranty ................................................................................................................................. 34
11 Disposal..................................................................................................................................34

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1 Information
1.1 Copyright
The ownership and all intellectual property rights of this Installation and Operation Manual (this “Manual”),
including but not limited to the content, data and figures contained herein are vested by Delta Electronics, Inc.
(“DELTA”). The Manual can only be applied to operation or use of the device. Any disposition, duplication,
dissemination, reproduction, modification, translation, extraction or any other usage to the Manual is prohibited
without obtaining DELTA’s prior written permission. As the product will be developed and improved
continuously, DELTA may modify or update the Manual from time to time without any notice. DELTA disclaims
any kinds or forms of warranty, guarantee or undertaking, either expressly or implicitly, including but not limited
to the completeness, accuracy, non-infringement, merchantability or fitness for particular purpose or usage.
Copyright © 2021 Delta Electronics, Inc. All Rights Reserved.
1.2 Intended use
The device is developed, manufactured, tested and documented according to the safety standards. If you
comply with the instructions and safety instructions described for its intended use, the product normally will
not pose any danger in terms of property damage or to the health of people. The instructions contained in this
manual shall follow to the letter. Otherwise, sources of danger may be produced or safety equipment may be
rendered inoperable.
This device may only be used to charge Electric Vehicle(EV) or Plug In Hybrid Electric Vehicle(PHEV) in
accordance with the following regulations:
AC Level 2 charging according to SAE J1772.
Use with plugs and sockets according to UL 2231-1, 2231-2, UL 2251 and UL 2594.
In addition, the following conditions apply for intended use:
The device is exclusively for stationary installation.
The device is designed for installation on a wall or pedestal.
The device can be used for indoors and outdoors.
The following uses are considered as not intended:
The charging of electric vehicles with gassing batteries is not permitted.
1.3 Important safety instructions
Before installing, commissioning, and operating of the EVSE, review this manual carefully and consult with
licensed contractors, licensed electricians and installation experts to ensure compliance with local building
practices, climate conditions, safety standards, and state and local codes. DELTA is not responsible for
damage caused by failure to follow the safety instructions and work instructions in this manual.
DANGER
Risk of electric shock
Dangerous voltages and currents can occur during operation of the EVSE. Therefore, before
carrying out any work on the EVSE, take the following protective measures and save these
instructions:
Disconnect all electrical power prior to installing the EVSE. Failure to do so may result in electric shock,

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physical injury or damage to the electrical system and charging unit.
Do not remove circuit protective devices or any other component until all electrical power is disconnected.
Secure the working area against access by unauthorized persons.
The EVSE must be connected to a grounded, metal, permanent wiring system or an equipment grounding
conductor must be run with the circuit conductors and connected to the equipment grounding terminal or
lead on the EVSE.
Use a measuring instrument to check that there is no voltage.
Use appropriate protection when connecting to the main power distribution cable.
DANGER
Instructions pertaining to a risk of fire or electric shock
Dangerous voltages and currents can occur when operating the EVSE.
Do not use the device to charge or supply other devices.
Do not touch the contact pins of the charging plug when operating.
Do not use adapters, conversion adapters or cord extension sets with the EVSE.
Do not use this EVSE if the flexible power cord or charging cable is frayed, the insulation is broken, or
the device shows signs of damage.
WARNING
Close the charging plug with the protective cap when not in use.
Damaged cables may only be replaced by electricians.
Do not use this EVSE if the enclosure or the vehicle connector is broken, cracked, open, or shows any
signs of damage.
Only pull the charging cable out of the charging socket by the charging plug.
The ambient operating temperature range for this device is between -22°F (-30°C) and 122°F (50°C). Do
not operate the EVSE outside this operating range.
CAUTION
Risk of tripping
People can trip over cables lying around.
►Always hang the charging cable in the holder supplied with the EVSE after use.
A device using pressure connectors for field wiring connections must be supplied with instructions that
specify a range or nominal value of the tightening torque to be applied to the terminal screws of the
connectors.
Any repair work as well as the replacement of components on the EVSE may only be carried out by
DELTA. Otherwise the warranty will become void.
Damaged or illegible safety labels must be replaced.
The EVSE can only be installed by licensed contractors, or licensed electricians in accordance with all
applicable state, local and national electrical codes and standards in a location with non-restricted access.
To ensure the ingress protection degree IP55, seal all external connections adequately. Seal unused

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connections with the caps provided.
Warning notices, warning symbols and other markings attached to the EVSE by DELTA must not be
removed.
1.4 Operator‘s duty of supervision
As the operator of the EVSE, you are responsible for the safety of the users and its proper use.
As the operator of the EVSE, you are responsible for the safety of particularly vulnerable persons,
especially children. Ensure that such persons maintain a sufficient safety distance from the EVSE and
the charging cable.
Consider the emergency routes at the installation site.
Do not install the device at potentially explosive atmosphere areas (Ex areas).
1.5 EMC Compliance Statement
Identification of EVSE refers to below:
FCC Part 15 Subpart B
1.5.1.1 RF Exposure warning
This equipment must be installed and operated in accordance with provided instructions and the antenna(s)
used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons
and must not be co-located or operating in conjunction with any other antenna or transmitter. End-users and
installers must be provide with antenna installation instructions and transmitter operating conditions for
satisfying RF exposure compliance.
1.5.1.2 FEDERAL COMMUNICATIONS COMMISSION INTERFERENCE STATEMENT
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 of
the following measures:
Reorient or relocate the receiving antenna.
Bluetooth Cellular
Contains FCC ID QOQMGM210L QIPPLS8-X
Contains IC 5123A-MGM210L 7830A-PLS8X
WiFi RFID
FCC ID H79EIAWU19KSS H79EIAWU19KSS
IC ID 4259B-EIAWU19KSS 4259B-EIAWU19KSS

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Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/ TV technician for help.
1.5.1.3 FEDERAL COMMUNICATIONS COMMISSION CAUTION
Changes or modifications to this unit not expressly approved by the party responsible for compliance could
void the user authority to operate the equipment. Referring to the multi-transmitter policy, multiple-transmitter(s)
and module(s) can be operated simultaneously without C2PC.
IC CAN ICES-002(B) / NMB-002(B)
1.5.2.1 Canada, Industry Canada (IC) Notices
This device complies with Canada license-exempt RSS standard(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.
Canada, avis d'Industry Canada (IC)
Cet appareil est conforme avec Industrie Canada exemptes de licence RSS standard(s). Son fonctionnement
est soumis aux deux conditions suivantes : (1) cet appareil ne doit pas causer d'interférence et (2) cet appareil
doit accepter toute interférence, notamment les interférences qui peuvent affecter son fonctionnement.
1.5.2.2 Radio Frequency (RF) Exposure Information
The radiated output power of the Wireless Device is below the Industry Canada (IC) radio frequency exposure
limits. The Wireless Device should be used in such a manner such that the potential for human contact during
normal operation is minimized. This device has also been evaluated and shown compliant with the IC RF
Exposure limits under mobile exposure conditions. (antennas are greater than 20cm from a person's body).
Informations concernant l'exposition aux fréquences radio (RF)
La puissance de sortie émise par l’appareil de sans fil est inférieure à la limite d'exposition aux fréquences
radio d'Industry Canada (IC). Utilisez l’appareil de sans fil de façon à minimiser les contacts humains lors du
fonctionnement normal. Ce périphérique a également été évalué et démontré conforme aux limites
d'exposition aux RF d'IC dans des conditions d'exposition à des appareils mobiles (antennes sont supérieures
à 20 cm à partir du corps d'une personne).

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1.6 Model series
The following describes the segmentation used to describe the basic features of each available model:
EIAW - X XXK X X X X X XX
1 2 3 4 5 6 7 8
Segment Item Description
1
E: AU/NZ, EMEA, SEA,
G: China
J: Japan
T: Taiwan
U: Canada, US
Indicate the available region
2
From 1-99:
7: 7 kW
11: 11 kW
19: 19 kW
Indicates the nominated maximum output power
3
S: Single phase
T: Three phase
Indicates the phase of input rating
4
B: Basic
S: Smart
P: Premium
Indicates the version of EVSE
5
U: SAE J1772 plug
E: IEC 62196-2 plug
S: IEC 62196-2 socket
H: IEC 62196-2 shutter
G: GB/T 20234.2 plug
Indicates the charging interface
6
From 1-9:
7: 25 ft
Indicates the cable length (0 for socket or shutter)
7
From A-Z:
A: Generation A
B: Generation B
Indicates the product generation
8 From 01-99 Indicates the serial code of EVSE

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1.7 Product overview
Scope of delivery
Part Description Part Description
EVSE
1x
Mounting bracket
1x
Template
1x
Torx T30 mounting bolts
4x
No. 8 wood screws
2x
1/4 inch expansion bolts
2x
Quick installation guide
1x
Safety instructions
1x

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Part Description Part Description
Cable holder
1x
wood screws
2x
RFID
2x
Recommended tools
The following tools are recommended for the installation of product:
Part
Description
Electro drill
Used for masonry walls
Pencil
Spirit level
Terminal crimper
Crimping input wire
Torque wrench
Torque screwdriver (cross)
Securing mounting bracket to masonry walls or stand
Torque screwdriver (slotted)
Securing mounting bracket to masonry walls or stand
Torx T20 screwdriver
Securing front cover and middle cover
Torx T30 screwdriver
Securing mounting bracket
Installer-supplied components
Installers may prepare the following parts:
1. Conduit and hub of appropriate size (1〞or refer to the local rules) for input power wires to ensure the water
resistance.
2. DIN 46228-4 Cord end terminal:
Please use the cord end terminal for split conductors while installation.
Current 48 A 80 A
Pin length 18 mm 18 mm
Wire range 4 AWG 2 AWG

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3. Upstream breakers:
CAUTION
To reduce the risk of fire, connect only to a circuit provided with 60 or 100 amperes maximum branch circuit
overcurrent protection in accordance with the National Electrical Code, ANSI/NFPA 70, and the Canadian
Electrical Code, Part 1, C22.1.
Model Circuit breaker specification
EIAW-U11K 60A min., 240V min., 2 poles
EIAW-U19K 100A min., 240V min., 2 poles
4. SIM card:
SIM card Width Height Depth 4G support band
Micro SIM 15 mm 12 mm 0.76 mm Band 2, Band 4, Band 5, Band 13, Band 17
5. Ethernet cable:
Part Specification
Connector Modular registered jack 45 (RJ45)
Cable Category 5 (Cat 5), 10/100 Mbps
Overview of components
1. Mounting bracket
2. Body
3. Middle cover
4. LED bar
5. RFID reader
6. Vehicle connector
7. Front cover
8. Water proof cap

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2 Installation
Before you start, please read the following instructions:
2.1 Prepartion before start
Installation site selection
AC MAX can be installed in both indoor and outdoor environments. It is necessary to consider the installation
conditions and protection at the site:
Follow local electrical regulation and installation standards.
Consider the emergency routes at the installation site.
Do not install the device at potentially explosive atmosphere areas (Ex areas).
Recommended installation positions
When considering installation positions, make sure EV can be easily connected with EVSE and have enough
space for maintenance.
1. Recommended position
2. Alternative position

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Recommended installation space
Installers shall follow applicable accessibility requirements for the mounting position. This device shall be
mounted at a sufficient height from grade such that the height of the storage means for the coupling device is
located between 800 mm (31.5 inches) and 1200 mm (48 inches) from grade.
Front view Top view
2.2 Installation steps
Remove front cover and middle cover
1. Remove the screw located at the bottom of front cover by
using a Torx T20 screwdriver.
2. Pull the front cover upward to separate from the EVSE.

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3. Remove the screw located at the middle cover by using a
Torx T20 screwdriver.
4. Remove the middle cover.
(Optional) insert SIM card for cellular function
Insert the SIM card into the socket and ensure the connection
is well connected.
Mark drill holes
The EVSE is a stationary wall-mounted equipment. Using the
template to mark the screw locations for the mounting bracket
and cable holder (optional).

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Secure mounting bracket
1.
The cable holder is optional and depicted in the
figure for demonstration purposes. The following
are recommended bolt types:
Masonry walls: 1/4" expansion bolts.
Torque: 8.8 N·m (78 lb·in)
Finished walls supported by wood studs: #8 wood
screws of 2" or above screw length.
Torque: 3 N·m (26 lb·in)
2. Align the EVSE with
the screw holes on the
mounting bracket.
3. Secure the EVSE on the mounting bracket with the
supplied Torx T30 screws.
Torque: 1.5 N·m (13 lb·in)
Configure dip switches
Configure the dip switches with following steps:

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2.2.5.1 Authorization mode
Choose the pin 2 to configure the authorization mode for bluetooth availability.
Configuration Function Configuration Function
Not available Bluetooth* (Default)
*Bluetooth connection is reserved for commissioning purpose.

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2.2.5.2 Maximum current setting
Choose the pin 4-6 to configure the maximum output current ratings.
Configuration Max. Current Ratings Configuration Max. Current Ratings
10A (Default) 48A
20A 60A*
30A 70A*
40A 80A*
* Depends on model configuration

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Connect input wire
1. Install the copper wire as described. The section of copper wire
connected to terminal shall be reserved enough tolerance to
prevent any tension or stress from the external force.
Note:
Rated current Copper wire type
48 A 4 AWG, 90oC
80 A 2 AWG, 90oC
2. Insert the input wire into the terminal accordingly. The cord end
terminal shall be inserted to the end without any deviation.
Note: Bottom-fed/rear-
fed is available for indoor/outdoor
installation with cable gland.
3. Make sure the terminal block is
secured correctly with
screwdriver.
Torque: 4.2 N·m (36.5 lb·in)
2.2.6.1 Wiring diagram

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(Optional) connect RJ45 port for Ethernet function
1. Remove the water proof cap
and pass through the
Ethernet cable with appropriate conduit or cable gland.
2. Connect the Ethernet cable into the RJ45 port.
Secure middle cover and front cover
1. Recover the middle cover on the EVSE and secure the
middle cover by using Torx T20 screwdriver.
Torque: 1.2 N·m (10.5 lb·in)
Note: rubber sealing shall be put
on the appropriate
position before recovery.

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2. Recover the front cover on the EVSE.
3. Secure the screw located at the bottom of front cover by
using a Torx T20 screwdriver.
Torque: 0.5 N·m (4.4 lb·in)
3 Commissioning
AC MAX can use the Web Configuration Tool to do the configuration, firmware upgrade, log download, etc.
General process:
1. Finish the installation process and power on the EVSE.
2. Connect to the EVSE with your Laptop or smart phone. If using the Ethernet connection, please finish the
connection during installation process.
3. Configure the EVSE based on following instruction, and click the button “Save and Restart Charger”.
4. Start to charge your EV with operating instruction.
3.1 Connection setting
Through “Ethernet” connection
1. Click network icon in the taskbar. Open “network and internet setting” and choose the network.

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2. Choose TCP/IPv4 and enter the IP address
IP address: 192.168.123.101
Subnet mask: 255.255.255.0
Through “WiFi” connection
1. Click network icon in the Taskbar. Open “network and internet setting” and choose the connected
network.(SSID: Delta-serial number/ Password: please refer to the last page of “Quick Installation Guide”)
Note: serial number refers to the spec label on EVSE.