PRACHT ALPHA XT User manual

State: März 2023

(NRG1002 / NRG1012)

 
1 
 
 
NOTES ON THIS DOCUMENT ............................................................................................................Fehler! Textmarke nicht definiert. 
SAFETY, INSTALLATION AND USE.......................................................................................................Fehler! Textmarke nicht definiert. 
OTHER USE INSTRUCTIONS.............................................................................................................................................................. 2 
SCOPE OF DELIVERY .............................................................................................................................................................................. 3 
TECHNICAL DATA...............................................................................................................................Fehler! Textmarke nicht definiert. 
ASSEMBLY..........................................................................................................................................Fehler! Textmarke nicht definiert. 
REQUIREMENTS............................................................................................................................................................................... 5 
WALL MOUNTING............................................................................................................................................................................ 5 
ELECTRICAL CONNECTION.................................................................................................................Fehler! Textmarke nicht definiert. 
CONNECTION TO THE MAINS.......................................................................................................................................................... 6 
WIRING OF THE RFID MODULE....................................................................................................Fehler! Textmarke nicht definiert. 
SETTING THE MAXIMUM CURRENT................................................................................................................................................. 7 
VALUES FOR ALPHA NRG1002 (MAX. 11KW PER VEHICLE)..........................................................Fehler! Textmarke nicht definiert. 
VALUES FOR ALPHA NRG1012 (MAX. 22KW PER VEHICLE)..........................................................Fehler! Textmarke nicht definiert. 
INITIAL COMMISSIONING.................................................................................................................Fehler! Textmarke nicht definiert. 
OPERATION............................................................................................................................................................................................ 9 
LED DISPLAY ..................................................................................................................................................................................... 9 
RFID CARD TEACH-IN...................................................................................................................................................................... 10 
RFID CARD DELETION..................................................................................................................................................................... 10 
ACTIVATION OF THE WALLBOX.....................................................................................................Fehler! Textmarke nicht definiert. 
LOAD.............................................................................................................................................Fehler! Textmarke nicht definiert. 
SEQUENTIAL LOADING.................................................................................................................Fehler! Textmarke nicht definiert. 
RESTARTING THE BOX .................................................................................................................................................................... 11 
INTERFACE RS 485.............................................................................................................................Fehler! Textmarke nicht definiert. 
MAINTENANCE AND CLEANING........................................................................................................Fehler! Textmarke nicht definiert. 
ENVIRONMENT..................................................................................................................................Fehler! Textmarke nicht definiert. 
TROUBLESHOOTING..........................................................................................................................Fehler! Textmarke nicht definiert. 
CONTACT ADDRESS ...........................................................................................................................Fehler! Textmarke nicht definiert. 
 

Before installing and using the wallbox, the instructions must be read and understood in full by the installer and each user.

Please keep the manual for the entire service life of the wallbox in order to be able to access it later.

Also observe the operating instructions for your electric vehicle.

The wallbox is only suitable for use in private and semi-public areas (e.g. company parking lots).

The wallbox must not be installed in areas with an explosive atmosphere (EX area) or where flammable liquids or objects are

stored.

The wallbox is only suitable for stationary installation. Minimum distances of 50cm to all neighboring objects must be

maintained. Installation in a closed box is not permitted. Likewise, the wallbox must not be installed in areas at risk of flooding.

The wallbox may only be installed and put into operation for the first time by a trained electrician.

The electrical connection must be made in accordance with nationally applicable standards, as well as other national and

international regulations regarding accident prevention and personal protection, as well as fire protection.

The wallbox may only be connected to and operated on TT, TN-C and TN-C-S networks. Operation on an IT network is not

permitted.

Work on the wallbox may only be carried out when it is de-energized. There is a risk of fatal electric shock due to the

components inside the box!

Modifications or conversions to the wallbox are not permitted and will result in the loss of any warranty and guarantee claims

against the manufacturer.

The box and all associated components may only be used for their intended purpose. The manufacturer assumes no liability for

personal injury or property damage resulting from improper use.

Defective or damaged wallboxes must not be put into operation. In this case, contact your installer.

Check the function of the RCD switch regularly in accordance with national regulations.

•Vessels containing liquids must not be placed on the charging station

•Kinking or running over of the charging cable must be avoided

•The charging cable must be wound up on the device provided when the charging station is not in use

•When not in use, fix the charging coupler in the charging coupler holder provided.

•Before using the charging coupler, visually inspect it for damage or dirt on the contacts.

•The charging coupler must not be disconnected from the vehicle during the charging process.Das Einführen von

Gegenständen in die Ladekupplung ist untersagt

•Do not wash the vehicle with a garden hose or high-pressure cleaner when the charging coupler is plugged in, in order

to prevent water from entering the charging coupler or the vehicle's connection device.

•The vehicle must be parked at a suitable distance from the charging station to ensure that the charging cable can be

plugged in without tension.

•Avoid direct sunlight

•Do not open an outdoor charging station during rain or snowfall.

•Do not connect the charging cable to extension cords or adapter cables

•Do not allow children to play unsupervised in the vicinity of the charging station

•The charging station must always be closed during operation

•The key for opening the charging station should be kept in a place to which unauthorized persons have no access

•For persons with a pacemaker or defibrillator, despite compliance with all European directives and standards on

electromagnetic compatibility, no statement can be made about the suitability of use, maintenance or repair work of

the charging station. Please contact the manufacturer of the defibrillator or pacemaker for further information.

•Improper use may result in serious injury or death, and may destroy the vehicle or the charging station.

•Wallbox ALPHA XT with RFID module and RS 485 interface

•Key

•Jumper, pre-assembled

•instruction manual

•drilling template

•Mounting material, consisting of:

•1x mounting bracket left

•1x mounting bracket right

•8x self-tapping screws for mounting tabs

•2 pieces RFID card (other cards available - NRG9003)

Check the scope of delivery for completeness.

ALPHA –NRG1002

ALPHA –NRG1012

Charging power mode 3 [kW] per

output

Charging power mode 3 [kW] total

3.7 (1-phase) / 11 (3-phase)

7.4 (1-phase) / 22 (3-phase)

Rated voltage UN [V] 50Hz

230 (1-phase) / 400 (3-phase)

max. line protection [A]

Residual current

protection/disconnecting device

AC / DC [mA]

30/6

max. current consumption [A]

(adjustable)

10, 13, 16, 20, 24 or 32

max. charging current [A] per vehicle

Protection type

IP 65

Protection class

Impact resistance box

IK08

Number of charging ports

Charging port/coupling

Typ 2

Charging cable length [m]

5,5

Mounting location

Indoor, protected outdoor, no direct sunlight

Mounting type

Wall mounting, column mounting (optional)

Ambient temperature

-20°C to +40°C for connected load < 11kW

-25°C to +35°C with connected load > 11kW

Altitude

max. 2000m a.s.l.

Relative humidity [%]

max. 95 (non-condensing)

Dimensions [mm] (W x H x D)

299 x 425 x 180 (without coupling)

299 x 425 x 380 (with coupling)

Material

ABS, Aluminium

Weight [kg]

optionally available

NRG9000 - Stand with roof

NRG9001 - Roof for mounting in unprotected outdoor area

NRG9003 - RFID cards

NRG9004 - Wall cable holder

The wallbox may only be installed by a trained electrician.

Before installation, the device must be thoroughly checked for damage.

The wallbox is only suitable for vertical installation.

The box may be mounted indoors or in protected outdoor areas, such as under canopies.

The ambient temperature at the installation site must be in the range of -20°C to +40°C.

The wallbox must be mounted away from easily flammable parts.

Sufficient ventilation must be ensured during operation.

The mounting location must be selected so that the connected charging cables cannot come into contact with water.

To prevent the ingress of water, the proper fit of the cover and the tight fit of the cable glands must be checked after installation.

1. The enclosed mounting plates (left/right) are to be mounted on the back of the wallbox with four self-tapping screws

each. Make sure that the beveled tabs are oriented towards the center of the housing (cf. Figure 1).

2. The drilling distances for wall mounting are to be transferred to the wall with the aid of the enclosed drilling template.

3. Drill holes in the wall.

4. Insert four dowels (not included in the scope of delivery) according to the wall condition.

5. Screw the two lower screws into the dowels and place the wallbox on the screws using the screw holes.

6. Screw the upper screws into the dowels, align the wallbox and finally fasten it using the total of four screws.

Figure 1 Arrangement of the mounting plates

The next step is the electrical connection of the wallbox.

Straps

The supply line of the wallbox must be disconnected from the power supply during installation work.

The supply line must be correctly fused.

1. pull the supply line into the box.

2. Connect the supply line as shown in Figure 2 and then relieve the strain and seal it using the cable gland.

Figure 2 Connection position of the supply line

Check the electrical connection and voltages using a measuring device.

Also make sure that neutral (blue) and ground (PE, yellow/green) are connected correctly.

The sequence of L1, L2, L3, N may differ depending on the type. Please observe the imprint next to the connection terminals.

Switch off the RCD during insulation resistance tests (according to DIN VDE 0100-600) to avoid

damage to the electronics!

When using RS485, a double cable with a characteristic impedance of 120 Ohm must be used. Since this is a data bus, it must

be terminated with a resistor at the end or beginning. This can be done with the resistor pre-mounted in the interface or with

the termination functions of other Modbus accessories. When using our PCC, it must always be mounted at the beginning or

end of the bus as it has an integrated termination resistor. The GND connection must be carried on a separate wire (or pair of

wires) in the cable to avoid interference effects.

Figure 3 Modbus cable connection

It should be noted that the loading speed depends mainly on two factors:

1. amount of the maximum power output of the wallbox

2. maximum charging power of the electric vehicle

Preferably, the wallbox should be connected with three phases.

Before commissioning, the maximum current that the wallbox draws via the supply line must be set using the enclosed jumper

on the control board.

When setting the maximum current, it must not be higher than the fuse or the cable cross-section and the length of the supply

line allow.

The setting is made by plugging the jumper into the corresponding position on the

control unit. The slots on the control unit can be found by means of the inscription

"I max". The assignment of the slots is shown in the following tables:

Slot 7 and 8 are not to be used!

Before commissioning, check that the jumper is seated correctly.

No settings are required to divide the charging current between two vehicles. The charging current is regulated by the controller.

Due to increased cable length of the supply line, it may also be necessary to compensate for the resulting voltage drop by using

a larger cable cross-section.

1 Car 1 Car 1 Car

Position

connector

(Jumper)

Current

raiting

Min. cross

section

supply line

(1 Ph supply line or only

1 Ph car)

(3Ph supply line,

2Ph car)

(3 Ph supply line,

3Ph car)

110 A 1,5 mm² 2,3 kW 2,3 kW 0,0 kW 4,6 kW 4,6 kW 0,0 kW 6,9 kW 6,9 kW 0,0 kW

213 A 1,5 mm² 3,0 kW 1,6 kW 1,4 kW 6,0 kW 3,2 kW 2,8 kW 9,0 kW 4,8 kW 4,2 kW

316 A 2,5 mm² 3,7 kW 1,8 kW 1,8 kW 7,4 kW 3,7 kW 3,7 kW 11,0 kW 5,5 kW 5,5 kW

420 A 4,0 mm² 3,7 kW 2,3 kW 2,3 kW 7,4 kW 4,6 kW 4,6 kW 11,0 kW 6,9 kW 6,9 kW

524 A 4,0 mm² 3,7 kW 2,8 kW 2,8 kW 7,4 kW 5,5 kW 5,5 kW 11,0 kW 8,3 kW 8,3 kW

632 A 6,0 mm² 3,7 kW 3,7 kW 3,7 kW 7,4 kW 7,4 kW 7,4 kW 11,0 kW 11,0 kW 11,0 kW

Nach dem Ladeende eines Fahrzeugs entspricht die Leistung am anderen der Ladeleistung bei nur einem angeschlossenen Fahrzeug. Mit Toleranz +-10%

1-PHASE LOADING

2 Cars

(1Ph supplyline, 1Ph car)

(3Ph supply line,

2Ph car)

2 Cars

(3 Ph supply line,

3Ph car)

2-PHASE LOADING

3-PHASE LOADING

1 Car 1 Car 1 Car

Position

connector

(Jumper)

Current

raiting

Min. cross

section

supply line

(1 Ph supply line or only

1 Ph car)

(3Ph supply line,

2Ph car)

(3 Ph supply line,

3Ph car)

110 A 1,5 mm² 2,3 kW 2,3 kW 0,0 kW 4,6 kW 4,6 kW 0,0 kW 6,9 kW 6,9 kW 0,0 kW

213 A 1,5 mm² 3,0 kW 1,6 kW 1,4 kW 6,0 kW 3,2 kW 2,8 kW 9,0 kW 4,8 kW 4,2 kW

316 A 2,5 mm² 3,7 kW 1,8 kW 1,8 kW 7,4 kW 3,7 kW 3,7 kW 11,0 kW 5,5 kW 5,5 kW

420 A 4,0 mm² 4,6 kW 2,3 kW 2,3 kW 9,2 kW 4,6 kW 4,6 kW 13,8 kW 6,9 kW 6,9 kW

524 A 4,0 mm² 5,5 kW 2,8 kW 2,8 kW 11,0 kW 5,5 kW 5,5 kW 16,5 kW 8,3 kW 8,3 kW

632 A 6,0 mm² 7,4 kW 3,7 kW 3,7 kW 14,7 kW 7,4 kW 7,4 kW 22,0 kW 11,0 kW 11,0 kW

(1Ph supplyline, 1Ph car)

(3Ph supply line,

2Ph car)

(3 Ph supply line,

3Ph car)

Nach dem Ladeende eines Fahrzeugs entspricht die Leistung am anderen der Ladeleistung bei nur einem angeschlossenen Fahrzeug. Mit Toleranz +-10%

1-PHASE LOADING

2-PHASE LOADING

3-PHASE LOADING

2 Cars

1. before commissioning the wallbox, all vehicles must be disconnected from the system.

2. turn on the fuse in your house power box.

3. turn on the RCD switch located in the box.

The microcontroller now starts automatically. Within 2 seconds, the box reports the preselected settings by flashing all

LEDs. The number of flashes provides information about the presetting. For example, if the LEDs flash ten times, the

presetting is 10A. After successful commissioning, the red LED on the control board goes out. The green LED, on the

other hand, lights up permanently.

4. the door must be locked with the enclosed triangular key.

If the red LED remains permanently lit, there is a fault in the system. In this case, the wallbox must not be put into operation.

This charging station is suitable for electrically charging one or two vehicles with type 2 charging couplings.

By programming an RFID card (see "Programming RFID cards"), charging is only possible for authorized persons. If no RFID card

is programmed, the wallbox is freely accessible.

Pay attention to your safety when operating inside the wallbox and do not touch any live components. Also observe the

operating instructions for your electric vehicle.

The wallbox is equipped with a separate LED indicator light for each charging cable, which shows the current status during

operation. Up to software V11 (see door inside)

green

No vehicle connected, wallbox ready for operation

blue

Box unlocked via RFID module

yellow

Vehicle connected, waiting state, charging process completed

green, slow flashing (fast)

Vehicle is charging (more than 16A available)

red, flashing

Charging cable has short circuit, plug very dirty

red, 2x flashing

CP signal not stable, connector dirty

red, 3x flashing

Diode in vehicle defective, plug dirty

3 seconds flashing pink

RFID card not known / all RFID cards successfully deleted

3 seconds white

RFID card was taught

yellow flashing

Total power of the box limited via digital interface

light blue flashing

Power of a charging point limited via digital interface

Red luminous

DC fault current >6mA, fault current sensor error or connection

error (from V12 restart of ALPHA required)

Red and yellow flashing (from V12)

Ventilation requested by the vehicle therefore no charging allowed

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