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Installation and operation manual
AC MAX
EU-Basic version
Version: 1.0.4
Issue date: 2023-01
AC MAX Basic Firmware Version 5.1

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Summary of Contents for Delta AC MAX

  • Page 1 Installation and operation manual AC MAX EU-Basic version Version: 1.0.4 Issue date: 2023-01 AC MAX Basic Firmware Version 5.1...
  • Page 2: Table Of Contents

    Product overview ........................6 Installation ............................9 Prepartion before start ........................ 9 Installation steps ........................10 Operation ............................21 (Optional) Connect the AC MAX App ..................22 Start charging ..........................22 Stop charging ..........................22 LED Indicator ............................22 Fault events..........................23 Symbol description........................
  • Page 3: Information

    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.
  • Page 4: Operator's Duty Of Supervision

     To ensure the ingress protection degree IP55, seal all external connections adequately. Seal unused connections with the caps provided. Warning notices, warning symbols and other markings attached to the EVSE by DELTA must not be  removed. Operator‘s duty of supervision ...
  • Page 5: Model Series

    v1.0.3 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 3 4 5 6 7 Segment Item Description E: AU/NZ, EMEA, SEA, G: China Indicate the available region J: Japan...
  • Page 6: Product Overview

    v1.0.3 Product overview 1.6.1 Scope of delivery Part Description Part Description EVSE* Mounting bracket Template Torx T30 mounting bolts No. 8 wood screws 1/4 inch expansion bolts Quick installation guide Safety instructions...
  • Page 7 v1.0.3 Part Description Part Description Cable gland wood screws Cable holder* Control board (For plug version only) *Depends on model configuration 1.6.2 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...
  • Page 8 v1.0.3 1.6.3 Installer-supplied components Installers may prepare the following parts: 1. Conduit of appropriate size or cable gland (M32) 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 16 A 32 A...
  • Page 9: Installation

    Before you start, please read the following instructions. Prepartion before start 2.1.1 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.
  • Page 10: Installation Steps

    v1.0.3 2.1.4 (Optional) emergency button Installers shall install a waterproof box (at least IP 44) and an isolator switch that both complies with local codes. Installers assemble the MCB and Type A RCD in the waterproof box, then install the Isolator switch at front end of the box, as shown in below circuit wiring diagram.
  • Page 11 v1.0.3 3. Remove the screw located at the middle cover by using a Torx T20 screwdriver. 4. Remove the middle cover. 2.2.2 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).
  • Page 12 Disable (Default) Enable Note: The unbalance current rating can be changed via Bluetooth with the AC MAX App. The configured unbalance must comply with the specifications of the grid code in force at your installation site. The password to reach this setting in the AC MAX App is: 0000...
  • Page 13 If the pin 2 is set to ON (right), the charging session can only be started from the Delta AC MAX App. The key switch authentication is deactivated in this configuration.
  • Page 14 32 A* * Depends on model configuration For AC MAX models with a maximum current of 16 A, the configurations 20 A, 24 A and 32 A limit the maximum output current to 6 A. Note: There are cars that do not start the charging session at 6 A.
  • Page 15 v1.0.3 2.2.5 Connect input wire 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: Copper wire type: 10 mm , 70ºC. Insert the input wire into the terminal accordingly.
  • Page 16 v1.0.3 2.2.5.1 Wiring diagram Single phase Three phase TN-C TN-C TN-S TN-S TN-C-S TN-C-S...
  • Page 17 v1.0.3 Single phase Three phase Note: To fulfill requirements for electrical installations in UK, the following shall be observed. When installed in a TN systems, the supplying circuit shall not include a PEN conductor(combined protective and neutral) . 2. If the power grid belongs to TN-C-S system, the charger needs to be grounded separately to TT system. A PME earthing facility shall not be used as the means for the protective conductor contact of a charging point located outdoors.
  • Page 18 v1.0.3 2. Remove the water proof cap and pass through the signal cable with appropriate conduit or cable gland. 3. Connect the signal cable according to pin definition (2.2.6.1) and must connect to the Pin 1 (+5V). Note: suggested wire of signal cable: 1.5 Assemble the connector 5.
  • Page 19 v1.0.3 2.2.6.1 Pin definition User can connect the external component with signal cable based on following configuration. The output power will be adjusted by the following pin definition once the grid power is limited by network operator. The power limitation is based on rated output power configured by dip switches (2.2.4.4). 2.2.6.1.1 Configuration A Connect the signal cable with Pin 1 and Pin 5 as below:...
  • Page 20 Data bits: 8 Parity bit: None Stop bit: 1 Baud rate: 19200 Baud Note: The Modbus settings can be changed via Bluetooth with the AC MAX App. The password to reach this setting in the AC MAX App is: 0000...
  • Page 21: Operation

    v1.0.3 2.2.8 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.
  • Page 22: Optional) Connect The Ac Max App

    EVSE is ready to charge. (Optional) Connect the AC MAX App 1. Search on the Apple App Store or Google Play for Delta AC MAX App and install the app on your smartphone.
  • Page 23: Fault Events

    Ground does not correctly 2. Ensure the wallbox runs Firmware version 5.1 or Red, 3 Flashes connect to the EVSE. higher by using the AC MAX App. Over current protection. Unplug the vehicle connector and plug it again. Red, 4 Flashes...
  • Page 24: Symbol Description

    v1.0.3 Symbol description Status Description Slow flashing Slow flashing (period = 2 s, duty cycle = 50%) Fast flashing Fast flashing (period = 0.8 s, duty cycle = 50%) 1 Flash 2 Flashes 3 or more Flashes refer to previous figures of time duration. Troubleshooting Contact Customer Support if the EVSE appears to malfunction or if the LED indicators display a fault event.
  • Page 25: Specifications

    16 A 32 A Grid Connection Single-phase electric power (L1, N, PE) Three-phase electric power (L1, L2, L3, N, PE) All AC MAX BASIC models support both, single phase and three phase installations AC Voltage 230 V / 400 V Frequency...
  • Page 26: Cleaning

     Defects or damage caused by not using the product as specified in the Installation and Operation Manual.  Costs and damage caused by repair work which is not provided by DELTA approved authorized specialist or electrician. Disposal The EVSE is an electronic device and must be disposed of separately from normal house wastes.

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