Vorsprung AlphaMax EV Charger

User and Installation Manual

Model No: 20320, 20321

Safety Information

This document contains important instructions and warnings that must be followed when installing and maintaining the EV Charger.

Installation of this Unit must be Performed by a Certified Engineer.

Warnings

Cautions

Notes

Product Introduction

Product Appearance

The Vorsprung Alpha Max EV Charger is available in two models: Type 2 Tethered and Type 2 Untethered.

Vorsprung Alpha Max EV Charger 7kW Type 2 Tethered

Features:

Vorsprung Alpha Max EV Charger 7kW Untethered

Features:

Parameters & Features

ParameterType 2 TetheredUntethered
Maximum Power7.4KW7.4KW
Input voltage/Output voltage230V AC Single-Phase230V AC Single-Phase
Input frequency50Hz/60Hz50Hz/60Hz
Rate Charging Current6-32A6-32A
Standby Power Consumption2W2W
Operating Temperature-25°C ~ 55°C-25°C ~ 55°C
Storage temperature-40°C ~ 85°C-40°C ~ 85°C
Operating Humidity5%-95%5%-95%
Operating Altitude<2000m<2000m
Cable Length5mN/A
MeterMetering ChipMetering Chip
DisplayLED LightsLED Lights
Charger Dimension380mm (H) x 169 mm (W) x 151 mm (D)380mm (H) x 169 mm (W) x 151 mm (D)
Gross Weight7kg5kg
Safety ProtectionIP Protection, Leakage Protection, Over Current Protection, Ground Protection, Over Voltage Protection, Under Voltage Protection, Contactor Adhesion Protection, Neutral and Live Wire Reverse Connection Protection, Over Temperature Protection, Abnormal CP Signal Protection, Lightning Protection
IP ProtectionIP65
Leakage DetectionTYPE A+DC6mA leakage sensor built-in
Temperature ProtectionThe charger automatically stops operating if the internal temperature exceeds the safe threshold.
Tamper ProtectionIf the charger housing is opened, charging will automatically stop and an audible alarm will be triggered.

The charger is equipped with comprehensive safety protections. It will automatically power off once the vehicle is fully charged, helping to protect the car's battery and extend its lifespan.

Accessories List

Card type supported by RFID: RF card ISO14443 TypeA, MIFARE® ONE (MF1) card, with read-write frequency of 13.56MHz±7K.

Installation Instructions

Warnings

Note: Please consult your local electrician for the AC EV charger current.

1. Installation Considerations

Installation of the wall charger requires that you must:

2. Minimum Installation Requirements

3. Position

4. Height

5. Power Supply

230V single-phase power supply. For a single-phase EV charger, a single-phase wire (L), Neutral and earth wire must be connected. The phase voltage between the Line and Neutral wires should be 230V.

Wiring Diagram: L (Live), N (Neutral), PE (Protective Earth).

Step-by-step Installation – Bottom Entry Wiring

  1. Position

    The bottom of the positioning template must be at least 1.2 meters from the ground and at least 0.5 meters from any edge of a wall. Drill pilot holes according to the instructions on the positioning template.

  2. Install the Mounting Bracket

    Put the 8*40 Socket head screws' anchoring into the holes, and use a screwdriver to fix the 6pcs 8*40 Socket head screws to secure the Mounting bracket on the wall.

  3. Install the EV Charger to the Mounting Bracket
    • Align the side hole of the EV charger to the panel's side holes.
    • Use the 4pcs M6*8 screws to fix the EV charger to the mounting plate as pictured (Screws torque 1.5-2.0 Nm).
  4. Wiring
    • As the picture shows, use a screwdriver to loosen the screws on the EV charger cover.
    • Wire the cable according to the terminal (Screws torque 1.8-2.2 Nm).

    The installer must ensure correct earthing to meet local regulations. Grounding must be installed at the power source and not at the cable entry to the EV Charger.

    Wiring Diagram: L (Live), N (Neutral), PE (Protective Earth).

Step-by-step Installation – Rear Entry Wiring

  1. Position

    The bottom of the positioning template must be at least 1.2 meters from the ground and at least 0.5 meters from any edge of a wall. Drill pilot holes according to the instructions on the positioning template.

  2. Install the Mounting Bracket

    Put the 8*40 Socket head screws' anchoring into the holes, and use a screwdriver to fix the 6pcs 8*40 Socket head screws to secure the Mounting bracket on the wall.

  3. Install the EV Charger to the Mounting Bracket
    • Find the hole for cut out on the back of the EV charger.
    • Use the 4pcs M6*8 screws to fix the EV charger to the mounting plate as pictured (Screws torque 1.5-2.0 Nm).
  4. Wiring
    • As the picture shows, use a screwdriver to loosen the screws on the EV charger cover.
    • Wire the cable according to the terminal (Screws torque 1.8-2.2 Nm).

    The installer must ensure correct earthing to meet local regulations. Grounding must be installed at the power source and not at the cable entry to the EV Charger.

    Wiring Diagram: L (Live), N (Neutral), PE (Protective Earth). Cable through the hole on the wall and connect to the back hole of EV charger.

External Meter Installation

Warnings

Diagram shows Grid Power connection to Single-Phase EV Charger.

Set the Operating Current

After installation, users can set the maximum operating current of the EV charger in the APP. Please refer to the APP manual for details.

Reinstall the Sealing Cover and Turn on Power

  1. Use a [Screwdriver] to lightly secure the sealing cover by installing only the top screws at (1.5-2.0Nm) torque.
  2. After the sealing cover is fitted, put the fascia on and fix it on the sealing cover.
  3. If you need to open the front cover and change the internal settings, please use the [Plastic Lifter] carefully open the cover along the edges.

Vorsprung recommends installing a circuit breaker 40A/2P 30mA.

Operating Instructions

Buttons On Charger

Emergency Stop Button

ActionResult
PressStops charging
Button ejectingFixing faults
Button ejectedIn operating

Function Test Button

ActionResult
PressLeakage test
Long PressWPS mode works, search for WPS and pair.

Resetting Charger Password

The reset button is located on the PCB. Long press for 5s to reset the charger password (Wi-Fi Access Point Password and OCPP configuration Password).

Restore to Default Settings

To restore the charger to default settings, press the emergency stop button and long press the reset button for 20s.

OCPP Configuration

Press the emergency button while powering on the EV charger. Then start the OCPP configuration process.

Buzzer

EventSound
Swipe the RFID card to start the authentication successfullyOne Short Beep
Swipe the RFID card to stop the authentication successfullyOne Short Beep
RFID card authentication failedFive Short Beeps
Enter server configuration modeOne Long Beep
Server parameters are configured successfullyOne Long Beep
Server parameter configuration failedTwo Short Beeps
Leakage test in progressOne Long Beep

LED Lights Display

Normal Status

LED IndicatorLED StatusStatus DescriptionPotential CauseSolution
LED indicator showing lights offLights OFFNo power supplyNo powerCheck power source
LED indicator showing sequence lightsThe green lights light up in sequence from top to bottom, then the yellow and red lights light up in sequence until the first green light blinksCharger Power ON self testN/AN/A
LED indicator showing fast blinking green lightThe first green light fast blinking (ON for 0.25 seconds, OFF for 0.25 seconds)Enter WPS configurationIn WPS configuration statusRecheck configuration
LED indicator showing slow blinking green lightThe first green light slow blinking (ON for 1 second, OFF for 1 second)Network is not connectedWi-Fi connection failure or wrong password1. WPA 2_Enterprise is not available for charger
2. Ensure password is correct
3. Restart the APP
LED indicator showing green breathing lightThe first light is in the green breathing light stateStandby in the default stateN/AN/A
LED indicator showing blue breathing lightThe first light is in the blue breathing light stateStandby in OCPP mode (Wi-Fi, Ethernet)N/AN/A
LED indicator showing slow blinking green lightsThe first green and the last green lights slow blinking. (ON for 1 second, OFF for 1 second)The charger is reservedN/AN/A

Charging Status

LED IndicatorLED StatusStatus DescriptionPotential CauseSolution
LED indicator showing 1-6 green lights decreasing brightnessThe 1-6 green lights ON, brightness decreases from top to bottomCharger authorized, waiting for the Charging Connector plug inN/AN/A
LED indicator showing green lights up and downGreen lights up and downThe Charging Connector is plugged in, waiting for RFID card authenticationN/AN/A
LED indicator showing green lights in the middleGreen lights end in the middleWaiting for the car start to chargeN/AN/A
LED indicator showing green lights extending from middle to endsGreen lights extend from the middle to the endsChargingN/AN/A
LED indicator showing all green lights ONAll green lights ONCharging finishedN/AN/A
LED indicator showing yellow lights flashingYellow lights flashingCharger is remotely disabled or not registeredCharger is not configuredConfigure the charger

Fault Status

LED IndicatorLED StatusStatus DescriptionPotential CauseSolution
LED indicator showing strobing lightsAll lights strobe (4 times per second)Contactor failureContactor adhesion or trippingCheck whether the vehicle charging module is normal
LED indicator showing yellow lights ONYellow lights ONEmergency stop protectionEmergency stop button is pressedRotate the emergency stop button Pop-up reset
LED indicator showing red lights ONRed lights ONGrounding abnormalityThe ground wire is not wired or the neutral wire is reversedCheck whether the grid connection and charger wiring is correct
LED indicator showing single red lightRed light onceOver VoltagePower supply has short circuit or unstable1. Check the power supply
2. Check the wire of power supply
LED indicator showing double red lightsRed light twiceUnder VoltagePower supply voltage is insufficient1. Check the power supply
2. Check the wire of power supply
LED indicator showing triple red lightsRed light thriceLeakage faultLeakage happens1. Reset with emergency stop button
2. Check the charger connector or vehicle for leakage
LED indicator showing continuously flashing red lightRed light flashes continuously (Once per second)Over currentShort circuit may happenCall for professional
LED indicator showing quartic flashing red lightRed light flashes (Quartic per second)Over temperature alarmHigh temperature1. Wait for charger cooling
2. Ensure the wiring of charger terminal is not loose
LED indicator showing alternating red and yellow lightsAlternating red and yellow continuously (Red for 0.5 seconds followed by yellow for 0.5 seconds)Abnormal CP signalThe connection between the charger and the vehicle is loose1. Check if the connector is with water leakage in
2. Ensure the connector is matched with EV
LED indicator showing red and yellow lights flashing onceRed and yellow lights flash onceAbnormal CC signalThe connection between the charger and the vehicle is looseCheck whether the charger connector is firmly inserted
LED indicator showing triple yellow lights ONYellow light ON tripleLED board is offlineLED board is fault or looseOpen the charger cover and check whether the light board cable is connected correctly and firmly
LED indicator showing yellow then red light ONYellow light ON once, red light ON onceDLB is offlineThe DLB connection is looseCheck the connection between DLB box and charger
LED indicator showing yellow ON DLB abnormal, then red ON twiceYellow light ON DLB abnormal once, red light ON twiceDLB abnormalThe connection between the DLB box and the CT is loose or the CT is not clamped1. Check the CT of the DLB box is in the correct position
2. Check whether the DLB box CT is firmly clamped
3. Check if the phase sequence of the DLB box CT is correct
4. Check if the connection between the DLB box CT and the DLB box is firm

Firmware Update via OCPP Server

The server sends a firmware upgrade command to the EV charger in the background. When the set time comes, the firmware starts to download.

  1. The first and second green lights flash alternately: Download firmware.
  2. Green light circularly flows from top to bottom: Install firmware. If the EV charger is charging, install the firmware after the charging is completed.
  3. The yellow light lights up three times: End charging.
  4. All green lights on: Charging finished.
  5. Green light No. 1 flashes slowly (on for 1 second, off for 1 second): Network connection is successful.
  6. Green Light No. 1 breathing: Other operating status.

Network Configuration

Before You Start

Keep the charger away from microwaves, cordless phones, Bluetooth speakers, and other strong Wi-Fi signals.

WPS Connection Method

Enter the WEB configuration mode and set the WiFi WPS connection.

Network setting:

Note: If "Wi-Fi WPS" is selected, Wi-Fi information is not required to enter.

  1. The EV charger is in offline mode by default; please confirm whether it is in WPS connection mode.
  2. Press and hold the [Function Test Button] for 5s until you hear a beep from the EV charger.
  3. Start the WPS function of the router within 120 seconds.

Status Indicators:

Connect Charger to Wi-Fi

  1. Disconnect the charger from power, press the red [Emergency Stop Button], then reconnect power. The charger will beep and the yellow light will flash, indicating it is in configuration mode. Do not twist the Emergency Stop button until configuration is complete, as doing so will exit the mode.
  2. On your phone, tablet, or laptop, go to your Wi-Fi settings and find the network called EVSE-XXXXXXXX (where XXXXXXXX is your charger's factory number). Connect using the default password: 12345678.
  3. Open a web browser and type: 192.168.1.1. Log in using: Username: admin, Password: 12345678.
  4. In the Configuration Directory Page, select Network Configuration.
Configuration ItemDetails of Configuration Item
Open The Network Configuration InterfaceNetWork setting, Wi-Fi Config
Open The Central System Configuration InterfaceSecurity, Server, HTTP Basic Authentication, Custom Vendor Info
Open The DLB Configuration InterfaceGeneral, Normal DLB, Solar DLB, DLB on cloud
Open The RFID Configuration InterfaceGeneral, RFID Unique Config, Reader mode Config
Open The Other Configuration InterfaceParameter configuration, Ground Fault Detection, External Meter Enable, Dry Contact Enable, Authorization Cache, Emergency Stop Button, BLE Reset Button
CA certificate uploadIt is suggested to upload the CA certificate of OCPP server to EV charger, which can better ensure the network safety.
Open The Password Configuration InterfaceChange Password
Exit Web Configuration modeExit Web Configuration mode
  1. Select Wi-Fi Custom mode. Scroll down to Wi-Fi Config and enter your Wi-Fi SSID (network name) and password in the [Wi-Fi SSID Input] and [Wi-Fi Password Input] fields. Click SAVE – the charger will beep once.

Network setup item details

Configuration ItemDetails of Configuration ItemDetails of Configuration Item
Wi-Fi WPSWi-Fi WPS means that the terminal can connect to Wi-Fi via wps. WPS, a wireless encryption authentication method, is used to simplify the security setup and network management of Wi-Fi wireless. Instead of entering the wireless network password, the terminal can connect wirelessly to the router by pressing the WPS button directly.N/A
Wi-Fi CustomConnect to Wi-Fi by entering the wireless network name and password.Wi-Fi SSID, Wi-Fi Password
EthernetConnect the network cable into the Ethernet RJ45 port of the EV charger for networking.N/A
Offline (Plug and Play)With this option enabled, the OCPP EV charger will be disconnected from the OCPP platform. It can be used as an unsmart EV charger with the plug-and-charge mode.N/A
Offline (RFID)With this option enabled, the OCPP EV charger will be disconnected from the OCPP platform. It can be used as an unsmart EV charger with the RFID card swiped charging mode.RFID Unique ID
  1. Return to the main screen of the configuration page. Click Exit Web Configuration Mode – the charger will beep once. The charger will now attempt to connect to the server.

If successful: the first green light will flash. If unsuccessful: re-check your Wi-Fi and server details.

Once the green light flashes, twist the Emergency Stop button to release it. Your charger is now connected to Wi-Fi.

If your charger is far from the router, use a Wi-Fi extender or mesh system to improve signal.

Connect Charger to Ethernet

If you want the EV charger to be networked via Ethernet, you will need to connect a network cable to the Ethernet RJ45 port of the EV charger and then configure the network according to the following steps:

  1. Select Ethernet mode.
  2. By default, the IP Config of an EV charger is a Dynamic IP (DHCP) configuration, i.e., the server automatically assigns an IP address to the internal network or to the ISP. If you need to set a fixed IP address to access the Internet, you need to select Static IP Config and fill in the appropriate Static IP, Gateway, and Netmask; otherwise, you can leave it as default. Click SAVE to exit the Network Configuration interface.

RFID Configuration

If you have selected the Plug and play mode when doing the network setup, RFID configuration is not required. Please ignore this step, otherwise please complete RFID configuration.

  1. Select RFID mode.
  2. General Setting: In this setting, you can set the RFID card to be used only when the charger is offline or at any time.
    • RFID is only used offline
    • RFID can be used at any time

Description of the general setting items for RFID configuration:

Configuration ItemDetails of Configuration Item
RFID is only used offlineWhen you enable this configuration, the online EV charger will disable the use of RFID to start charging. Only the function of local authentication is available when the network is abnormal and the EV charger is offline.
RFID can be used at any timeWhen this configuration is enabled, you can swipe the RFID card to charge at any time.
  1. RFID Unique Settings: In this configuration, you can choose whether or not to enable the RFID Unique configuration. If so, you will need to fill in the corresponding RFID Unique ID in the [RFID Unique ID Input] field. Example: If your IC card number is "9E46BA0D", you need to configure Unique ID as "9E46BA0D".
    • RFID Unique Enable
    • RFID Unique Unable
  2. RFID Reader Mode Settings: This configuration allows you to set the reader mode of the charger, including RFID UID mode, RFID Custom mode, and RFID Manufacturer mode. If you select RFID Custom mode, you will need to enter the card number storage address and set the RFID Custom Password in the RFID Custom Block.
    • RFID UID Mode
    • RFID Custom Mode
    • RFID Manufacturer Mode

    RFID Custom Block: [RFID Custom Block Input] (Card Number Storage Address)

    RFID Custom Password: [RFID Custom Password Input] (Card PIN must be 12 characters)

Description of configuration items for reader mode configuration:

Configuration ItemDetails of Configuration ItemMax. Length
RFID UID ModeIC card manufacturer offers its own physical card numbers. If the card is the M1 card, EV charger can recognize its physical card number.N/A
RFID Custom ModeIn custom mode, the EV charger will read the IC card number based on the encryption method configured by the user.0-63
RFID Manufacturer ModeIn the default reading card mode, the EV charger only recognizes IC cards configured by the writing tool, and IC card offered by will have their card numbers configured by in this way.0-9, a-f, A-F

Click SAVE to exit the RFID Configuration interface.

Other configuration

  1. Select Other Configuration mode.
  2. Parameter configuration Settings: In this configuration, you can set the maximum current of the one connector, the Meter Value Sample Interval, and the Connection Time Out setting.
    • The maximum current of the one connector: 25
    • Meter Value Sample Interval: 60
    • Connection Time Out: 120
  3. Ground Fault Detection Settings: When the charger encounters a ground failure or poor grounding, the function of the ground fault detection is to report a ground disconnection warning, which triggers ground protection. Thus, it prevents the charger from charging the vehicle.
    • Enable
    • Unable
  4. External Meter Settings: If this configuration is enabled, the charger will use the data from the external meter as its own metering data. Turn this on if an external meter is already installed.
    • Enable
    • Unable

    NOTE: The brand and type of external meter used for the charger should be specified by the manufacturer, and it is recommended that the user only change this configuration on the first installation.

  5. Dry Contact Settings: If this configuration is enabled, the charger will determine if the charger is in a period where charging is allowed based on the status of the dry contacts.
    • Enable
    • Unable
  6. Authorisation Cache Setting: If this configuration is enabled, the card will have a cache record, and the charger can still be used for charging for a certain period of time when the server is unexpectedly offline.
    • Enable
    • Unable
  7. Emergency Stop Button Settings: The user can choose to enable or not enable the emergency stop button. When the user chooses to not enable it, the emergency stop of the EV charger by the emergency stop button will be disabled.
    • Enable
    • Unable
  8. BLE Reset Button settings: The user can choose to enable or not enable the BLE reset button. When the user chooses to not enable it, the BLE reset by the emergency stop button and the function test button will be disabled.
    • Enable
    • Unable

Click SAVE to exit the Other Configuration interface.

Upload CA-Certificate

It is suggested to upload the CA certificate of OCPP server to EV charger, which can better ensure the network safety.

[home-evocpp-co...]

Password Configuration

  1. Select Password Configuration mode.
  2. You can change the Wi-Fi password of the charger on the password configuration interface. If you need to change the Wi-Fi password of the charger, you must enter the Wi-Fi password you are currently using in Old Password, then enter the new password in New Password, and repeat the new password in New Password Again for confirmation.
    • Old Password: [Old Password Input]
    • New Password: [New Password Input]
    • New Password Again: [New Password Again Input]

    NOTE: When Wi-Fi Access Point password is changed, WEB login password automatically changes, and vice versa.

    If you forget the password

    When you forget your password, you can restore it to its default value through the following way:

    1. Press the emergency stop button.
    2. Press and hold the [Reset Button] inside the EV charger for 5 seconds.

Click SAVE to exit the Password Configuration interface.

Exit Network Configuration mode

  1. When the settings are complete, click on the "Exit Web Configuration Mode" button. The EV charger will automatically connect to the server according to the parameters set.
  2. After the server is successfully connected, the first green light will flash. In case of a failure to connect to the server for a long time, check whether the network and server configurations are entered correctly.

Warranty

In order to ensure the normal service life of charging piles and reduce the risks in use, maintenance must be done within the specified time by professionals with accredited safety maintenance tools. EV charger will automatically connect to the server according to the parameters set.

Manufacturer self-declaration

In order to improve the stability of the charger, manufacturer will provide software updates for at least three years from the date of manufacture of the charger.

Connect to Monta App

Make sure you have the Monta App installed. If not, use the QR codes on page 2 of this guide to download it ([App Store] / [Google Play]).

  1. Scan the QR code below that corresponds to your charger model: (QR codes for Tethered EV Charger and Socket EV Charger are described here). A pop-up will appear → tap Open in Monta App. If you don't yet have the app, you'll be guided to download it first.
  2. Enter the charger's serial number (the 9-digit number located on the rating plate on the side of the charger) in the [Serial Number Input] field.
  3. Complete Charge Point Details: Enter your address and any other required information in the [Address Input] field. Choose the account or team you want to link the charger to (for example, your personal account or your company team) via [Account/Team Selection]. Tap Connect to Monta.
  4. Wait for Connection: Monta will automatically check if your charger is online. If all settings are correct, the connection will be established.

Your Vorsprung Alpha charger is now ready to use in the Monta app.

Models: 20320, 20321, Alpha 7.4kW Plug and Play Type 2 Indoor Outdoor Wall Box, Alpha, 7.4kW Plug and Play Type 2 Indoor Outdoor Wall Box, Play Type 2 Indoor Outdoor Wall Box, Outdoor Wall Box, Wall Box, Box

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