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Webasto Unite
Operating- and Installation Instructions.......................................................................................................................... 2
Webasto Charging Solutions
Table of Contents
2 5111967B_OI-II_Webasto Unite_EN
Table of Contents
1 Quick Start Guide for App Solutions
........................................................... 3
2 General Information ........................... 4
2.1 Purpose of the document .......................................... 4
2.2 Using this document.................................................. 4
2.3 Intended use ............................................................. 4
2.4 Use of symbols and highlighting ................................ 4
2.5 Warranty and liability.................................................4
3 Safety ................................................. 4
3.1 General information ..................................................4
3.2 General safety information ........................................4
3.3 Safety information for installation.............................. 5
3.4 Safety information for electrical connection............... 5
3.5 Safety information for initial start-up ......................... 5
3.6 Safety information for cleaning..................................5
3.7 Safety information for replacing the charging cable
................................................................................. 5
4 Scope of delivery ................................ 6
5 Required tools .................................... 7
6 Installation and electrical connection
........................................................... 7
6.1 Opening the charging station cover ........................... 7
6.2 Wall mounting the charging station...........................7
6.3 Using a 1-phase AC mains connection ....................... 8
6.4 Using a 3-phase AC mains connection ....................... 9
6.5 Using the cable glands.............................................10
6.6 Adjusting the current limiter .................................... 10
6.7 Setting the DIP switches .......................................... 11
6.8 Using the Mode selection switch ............................. 14
6.9 Setting up Load shedding / Potential-free contact.... 14
6.10 Monitoring welded relay contact failures ................. 14
6.11 Resetting RFID card lists and registering new master
RFID cards ............................................................... 15
6.12 Configuring a charging station’s Ethernet port......... 15
6.13 Enabling and disabling the web configuration interface
............................................................................... 15
6.14 Configuring an OCPP connection............................. 15
6.15 Final step................................................................. 16
7 Commissioning the charging station
......................................................... 16
7.1 Connecting your computer and your smart board to
the same network.................................................... 16
7.2 Accessing the Webasto Unite configuration interface
using a web browser ...............................................17
7.3 Accessing the Webasto Unite configuration interface
via Wi-Fi hotspot .....................................................17
8 Webasto Unite Configuration Interface
......................................................... 17
8.1 Main page ............................................................... 18
8.2 General Settings .......................................................18
8.3 Installation Settings ..................................................18
8.4 OCPP Settings...........................................................19
8.5 Network Interfaces ...................................................20
8.6 Standalone Mode .....................................................21
8.7 Local Load Management ..........................................21
8.8 System Maintenance.................................................22
9 Setting up charging ...........................23
9.1 Charging cable plug..................................................23
9.2 Reading the status information LED ..........................24
9.3 Standalone / Offline Usage modes ............................24
9.4 OCPP Connected mode ............................................26
10 MID meter models .............................27
11 Troubleshooting ................................28
11.1 Resetting to factory defaults .....................................28
11.2 General error condition.............................................29
11.3 DC 6 mA leakage current sensor behavior ................29
12 Disposal .............................................30
13 Declaration of Conformity .................30
14 Cleaning and maintenance.................30
15 Technical data ...................................30
15.1 Model description.....................................................30
15.2 Dimensional drawings ..............................................30
15.3 Models .....................................................................31
15.4 Technical specifications.............................................32
16 Checklist for the installation of the
Webasto charging station..................33
Quick Start Guide for App Solutions | 1
5111967B_OI-II_Webasto Unite_EN 3 / 34
1 Quick Start Guide for App Solutions
1
2
1 2
3
The Webasto Unite must be installed
by a qualified electrician.
Download the required Apps: Open the Webasto Charger Setup
app and configure your charging
station.
1) For installation:
Webasto Charger Setup
2) For operation:
Webasto ChargeConnect
4
5
6
Scan the QR code on the label in the
Quick Start Guide or type in the Wi-
Fi password manually.
Open the ChargeConnect app and
follow the steps to connect the
charging station to the
ChargeConnect Cloud.
Plug in and enjoy exploring your
charging station’s capabilities.
2 | General Information
4 / 34 5111967B_OI-II_Webasto Unite_EN
2 General Information
2.1 Purpose of the document
These operating and installation instructions are part of the
product and contain information for the user to ensure safe op-
eration and for the electrician to carry out safe installation of
the Webasto Unite charging station. In addition to the "Import-
ant Information on Operating and Installation Instructions", a
printed version of which is enclosed with your product, this doc-
ument also contains detailed information about operating the
product.
2.2 Using this document
uCarefully read these operating and installation instructions
for safe operation and installation of the Webasto Unite.
uKeep these instructions ready to hand.
uHand this document on to the following owner or user of
the charging station.
Your "Important Information on Operating and Installation In-
structions", a printed version of which is enclosed with your
product, includes introductory information and information rel-
evant to safety and installation. This document additionally in-
cludes further information on the operation of the charging sta-
tion.
NOTE
We would draw your attention to the fact that, as part
of a professional installation, an installation log should
be drawn up by the installer. We also request that you
fill in our Check list for the installation of the Webasto
charging station.
NOTE
Individuals with deficiency in their colour vision require
support in the allocation of all fault indicators.
2.3 Intended use
The Webasto Unite charging station is designed for charging
electric vehicles in accordance with IEC 61851-1, charge mode
3.
In this charge mode, the charging station ensures:
lThe voltage is not applied before the vehicle has been con-
nected correctly.
lThe maximum power is calibrated.
2.4 Use of symbols and highlighting
DANGER
This signal word denotes a hazard with a high degree
of risk which, if not avoided, may lead to death or seri-
ous injury.
WARNING
This signal word denotes a hazard with a moderate
degree of risk which, if not avoided, may lead to minor
or moderate injury.
CAUTION
This signal word denotes a hazard with a low degree of
risk which, if not avoided, may lead to minor or moder-
ate injury.
NOTE
This symbol denotes a special technical feature or (if not
observed) potential damage to the product.
This symbol refers to separate documents which may be
enclosed or can be requested from Webasto.
2.5 Warranty and liability
Webasto shall not assume liability for defects or damage that
are the result of the installation and operating instructions being
disregarded. This liability exclusion particularly applies for:
lImproper use.
lRepairs carried out by an electrician not contracted by
Webasto.
lUse of non-original spare parts.
lUnauthorised conversion of the unit without permission
from Webasto.
lInstallation and commissioning by unqualified staff (not an
electrician).
lImproper disposal after decommissioning.
NOTE
In case of any claims, defects or damage to your pro-
ject, you must contact your direct contractual partner,
installation partner or dealer.
WARNING
Installation and connection of the charging station must
only be carried out by a qualified electrician.
The symbol of a bin with a line through it means that
the instructions in the chapter on Disposal must be fol-
lowed.
3 Safety
3.1 General information
The device must only be used in a technically faultless condition.
Any malfunctions that adversely affect the safety of persons or
of the device must be immediately rectified by a qualified elec-
trician in accordance with nationally applicable regulations.
3.2 General safety information
WARNING
lHazardous voltages are present within the casing.
lThe charging station does not have its own main ON/
OFF switch. The protective devices installed in the
power supply system are therefore also used to discon-
nect the power supply.
lCheck charging station for visual damage before use.
Do not use the charging station if damaged.
lInstallation, electrical connection and initial operation
of the charging station must only be carried out by an
electrician.
lDo not remove the cover of the installation area whilst
in operation.
lDo not remove markings, warning symbols and the
type label from the charging station.
lIt is strictly prohibited to connect other equipment/
devices to the charging station.
lMake sure that the charging cable and coupling can-
not be driven over, trapped and are protected from
any other hazards.
lImmediately notify Webasto Customer Service if the
charging station, charging cable or the charging coup-
ling are damaged. Do not continue using the charging
station.
Safety | 3
5111967B_OI-II_Webasto Unite_EN 5 / 34
lPrevent the charging cable and coupling from coming
in contact with external heat sources, water, dirt and
chemicals.
lDo not attach extension cables or adapters to the char-
ging cable.
lRemove the charging cable by pulling on the charging
coupling only.
lNever clean the charging station with a high-pressure
cleaner or similar device or using a garden hose.
lSwitch off the power supply before cleaning the char-
ging sockets.
lThe charging cable must not be subjected to any strain
during use.
lEnsure only persons who have read these operating in-
structions have access to the charging station.
WARNING
lWhen not in use, store the charging cable in the desig-
nated holder and lock the charging coupling in the re-
mote dock. Loosely wind the charging cable around
the remote dock making sure the cable does not touch
the floor.
lYou must make sure that the charging cable and coup-
ling cannot be driven over, trapped and are protected
from all other hazards.
3.3 Safety information for installation
WARNING
lThe instructions in this document must be followed for
safe installation.
lInstallation and connection of the charging station
must only be carried out by a qualified electrician.
lYou must comply with the locally applicable require-
ments regarding electrical installations, fire protection,
safety regulations, and escape routes at the intended
installation location.
lOnly use the supplied installation material.
lWhen open, ESD (electrostatic discharge) precautions
must be taken properly to avoid electrostatic dis-
charge.
lWhen handling electrostatically sensitive boards, wear
grounded antistatic wrist straps and properly observe
ESD safety precautions. Wrist straps must only be used
when mounting and connecting the loading unit. Wrist
straps must never be worn on a live Webasto Unite.
lElectricians must be properly grounded during installa-
tion of the Webasto Unite.
lDo not install the Webasto Unite in an explosion sens-
itive area (Ex Zone).
lInstall the Webasto Unite in such a way that the char-
ging cable does not block any passageways.
lDo not install the Webasto Unite in areas subject to
ammonia or air containing ammonia.
lDo not install the Webasto Unite in a location where
falling objects may damage it.
lThe Webasto Unite is suitable for use indoors as well
as outdoors.
lDo not install the Webasto Unite in the vicinity of wa-
ter jets, such as car-wash installations, high-pressure
cleaners or garden hoses.
lProtect the Webasto Unite against damage caused by
sub-zero temperatures, hail or similar. We would like
to refer you to our IP protection class at this juncture
(IP54).
lThe Webasto Unite is suitable for use in areas without
access restrictions.
lProtect the Webasto Unite from direct sunlight. The
charging current may be reduced at high temperat-
ures, or charging may be disabled completely.
The operating temperature is -35°C to +55°C.
lThe installation location of the Webasto Unite should
ensure that vehicles cannot inadvertently collide with
it. Protective measures must be implemented if the
possibility of damage cannot be ruled out.
lDo not put the Webasto Unite into operation if it has
been damaged during installation; a replacement will
be required.
3.4 Safety information for electrical
connection
WARNING
lEach charging station must be protected with its own
line circuit breaker and residual current circuit breaker.
See Requirements installation space.
lMake sure that the electrical connections are de-ener-
gised before connecting the charging station to the
power supply.
lMake sure that the correct supply cable is used for the
power connection.
lDo not leave the charging station unattended with the
cover open.
lChange DIP-switch settings only with the power off.
lRegister with the power supply company as required.
3.5 Safety information for initial start-
up
WARNING
lInitial start-up of the charging station must be carried
out only by an electrician.
lPrior to initial start-up, the electrician must check that
the charging station has been connected correctly.
lDo not connect a vehicle during initial start-up of the
charging station.
lBefore starting-up the charging station, check the
charging cable, charging coupling and the charging
station for visible damage. The charging station must
not be started up if it is damaged or if the charging
cable/charging coupling is damaged.
3.6 Safety information for cleaning
DANGER
High voltages.
Danger of fatal electric shock. Do not clean the char-
ging station with running water.
Details on maintenance, cleaning and repair can be found in the
manual.
3.7 Safety information for replacing
the charging cable
DANGER
Risk of fatal electric shock.
uSwitch off and secure the power supply to the char-
ging station.
NOTE
Only use genuine Webasto parts.
4 | Scope of delivery
6 / 34 5111967B_OI-II_Webasto Unite_EN
4 Scope of delivery
65,50
75,00 150,00
226,00 90º
USE Spirit level for alignment
Cable outlet
Print scale 1/1
1
2
3
4
5
6
7
8
9
10
11
14
13
12
Fig.1
Pos. Item(s) Usage Quantity
1 Dowels (M8 x 50, plastic) To mount the charging station on the wall. 4
2 Torx T25 security screw (M6
x 75)
To mount the charging station on the wall. 4
3 Gasket for screw (6 x 75) To mount the charging station on the wall with the correct IP. 4
4 Torx T20 security L‑wrench Wrench for screws to mount the charging station on the wall with the correct IP. 1
5 Wrench To fasten and unfastening the cable glands. 1
6 RJ45 Male connector LAN cable connection (optional). 1
7 Mounting template To mount the charging station to a wall. 1
8 O-ring To mount the charging station to a pole. 3
9 Screw (M6 x 20) To mount the charging station to a pole. 3
10 Screw (M6 x 30) To mount the charging station, and providing earth continuity for chargers
mounted on a metal surface. This screw must be inserted into the bottom hole of
charging station on the wall. Place a rubber ring (11) below this screw to fix the
ground cable.
1
11 IP Rubber To fix the ground cable with the M6 x 30 screw. This rubber ring must be placed
right-down the wall-mount hole of charging station, under the ground cable and
the M6 x 30 screw.
1
12 User RFID Card To start and stop charging. 2
13 Master RFID Card To add and remove user RFID Cards to and from the local RFID list. 1
14 ISI Webasto Unite To install the charging station safely and adequately. 1
Required tools | 5
5111967B_OI-II_Webasto Unite_EN 7 / 34
5 Required tools
8 mm drill bit
Impact drill
Smartphone or computer
Voltage indicator
Torx T25 security screwdriver
Spirit level
Flathead screwdriver (tip width: 2.0 - 2.5 mm)
Pointed spudger
Right-angle screwdriver adapter / Torx T20 secur-
ity bit
RJ45 crimping tool
CAT5e or CAT6 Ethernet cable
6 Installation and electrical
connection
ATTENTION
High voltages
Danger of fatal electric shock.
The Webasto Unite must be installed by a qualified elec-
trician.
Charging station installation steps
lInstallation and connection of the charging station must
only be carried out by a qualified electrician.
lMake sure that the ground resistance of the installation is
less than 100 ohms.
lRead these instructions before mounting your charging sta-
tion.
lDo not mount your charging station on the ceiling or on a
sloping wall.
lUse the specified wall mounting screws and other accessor-
ies.
lThis charging station is classified as indoor and is outdoor
installation compatible.
If the charging station is installed outside a building, the
hardware that is used to connect the cables to the charger
must be compatible with outdoor use, and the charging
station must be mounted accordingly to preserve the char-
ger’s IP rate.
6.1 Opening the charging station cover
DANGER
Danger of fatal electric shock.
uSwitch off and secure the power supply to the char-
ging station.
Fig.2
1. Remove the cover screws using a Torx T20 security L-
wrench, or with a right-angle screwdriver adapter with a
Torx T20 security bit.
Fig.3
2. Open the cover.
6.2 Wall mounting the charging
station
Fig.4
1. Open the charging station’s front cover (See chapter6.1,
"Opening the charging station cover" on page 7).
6 | Installation and electrical connection
8 / 34 5111967B_OI-II_Webasto Unite_EN
65,50
75,00 150,00
226,00 90º
USE Spirit level for alignment
Cable outlet
Print scale 1/1
Fig.5
2. Position the charging station on the wall by using the
mounting template, and then mark the drill positions.
Fig.6
3. Locate the marked drill points on the wall, and then drill
the mounting holes, using an impact drill with an 8 mm
drill bit.
4. Place the dowels into the drill holes.
Fig.7
5. Position the unit in line with the inserted dowels, and then
secure it with the security screws (6 x 75) using a Torx T25
Security Screwdriver.
6.3 Using a 1-phase AC mains
connection
Fig.8
1. Insert the AC mains cable into the charging station from
the left cable gland at the bottom of the station.
3
2
1
Fig.9
Terminal Function Wire colour
1 Earth Green-Yellow
2 AC Neutral Blue
3 AC L1 Brown
1. Insert the wires into the terminal block following the colour
coding in the legend.
2. Tighten the screws on the terminal block with a torque of
2.5 Nm.
Fig.10
3. If you mount the charging station on a conductive metal
surface, such as a metal pole, you must make a connection
to the earth using an extension wire for the earth (ground)
and the screw at the lower right.
4. Change the position of the grounding wire from A to B to
ensure grounding.
Insert the plastic support (this is the IP rubber supplied in
the unit’s accessory pack) into the fixing hole (position
“B”).
Secure the grounding cable using an M6 x 30 screw,
which is in the artwork pack. This screw also secures the
unit to a conductive metal surface (where applicable).
5. Tighten the cable glands before closing the charging sta-
tion cover (See chapter6.5, "Using the cable glands" on
page 10).
Installation and electrical connection | 6
5111967B_OI-II_Webasto Unite_EN 9 / 34
Fig.11
Wiring diagram (for ITGrid Installation only)
WARNING
for IT Grid Installation only
A maximum rated voltage of 230 V is permissible
between L1 and L3 on the grid side.
6. For single-phase IT Grid installation, use the above wiring
diagram.
7. In the web user interface, set the grounding type to “IT
Grid” using the ”Installation settings” menu.
6.4 Using a 3-phase AC mains
connection
Fig.12
1. Insert the AC mains cable into the charging station from
the left cable gland at the bottom of the station.
3
2
1
5
4
Fig.13
Terminal Function Wire colour
1 Earth Green-Yellow
Terminal Function Wire colour
2 AC Neutral Blue
3 AC L1 Brown
4 AC L2 Black
5 AC L3 Grey
1. Insert the wires into the terminal block following the colour
coding in the legend.
2. Tighten the screws on the terminal block with a torque of
2.5 Nm.
Fig.14
3. If you mount the charging station on a conductive metal
surface, such as a metal pole, you must make a connection
to the earth using an extension wire for the earth (ground)
and the screw at the lower right.
4. Change the position of the grounding wire from A to B to
ensure grounding.
Insert the plastic support (this is the IP rubber supplied in
the unit’s accessory pack) into the fixing hole (position
“B”).
Secure the grounding cable using an M6 x 30 screw,
which is in the artwork pack. This screw also secures the
unit to a conductive metal surface (where applicable).
5. Tighten the cable glands before closing the charging sta-
tion cover (See chapter6.5, "Using the cable glands" on
page 10).
Fig.15
Wiring diagram (for ITGrid installation only)
WARNING
for IT Grid Installation only
A maximum rated voltage of 230 V is permissible
between L1 and L2 and between L2 and L3 on the grid
side.
6 | Installation and electrical connection
10 / 34 5111967B_OI-II_Webasto Unite_EN
1. For three-phase IT Grid installation use this wiring diagram.
2. In the web user interface, set the grounding type to “IT
Grid” using the ”Installation settings” menu.
6.5 Using the cable glands
1
23
Fig.16
Pos. Description
1 AC mains cable gland
2 AC mains cable
3 Wrench
1
2
3
Fig.17
Pos. Description
1 Data cable gland
2 Data cable
3 Wrench
Proceed as follows:
1. Insert the cables (2) into the unit.
2. Tighten the cable glands (1) using the wrench(3).
6.6 Adjusting the current limiter
NOTE
DIP-switch settings
DIP-switch settings are optional. All settings can be
changed by using the Setup App, or the web configura-
tion interface (see chapter8, "Webasto Unite Configur-
ation Interface" on page 17).
uThe most recent made setting will always be ap-
plied.
uThe current setting is shown in the web configura-
tion interface.
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
1
1
Fig.18
1 Rotary switch current limiter settings
The charging station has a current limiter (rotary switch) on its
mainboard. This switch sets the charging station’s current and
power limit. To change the settings, use a flathead screwdriver
to gently adjust the arrow in the centre of the rotary switch by
changing its position to the required-current rate. For rate de-
tails, see the table Current limiter positions.
Switch
position
Phase Current limit Value (22
kW)
0 1-phase 10 A
1 13 A
2 16 A
3 20 A
4 25 A
5 30 A
6 32 A
7 X X
8 3-phase 10 A
9 13 A
A 16 A
B 20 A
C 25 A
D 30 A
E 32 A
F X X
Table1: Current limiter positions
Required circuit breaker on AC mains
Charging Station
Current Limiter
Setting
C-Curve MCB
(miniature circuit
breaker)
10 A 13 A
13 A 16 A
16 A 20 A
20 A 25 A
25 A 32 A
30 A 40 A
Table2: Required circuit breaker on AC mains
Installation and electrical connection | 6
5111967B_OI-II_Webasto Unite_EN 11 / 34
6.7 Setting the DIP switches
1
ON
2 3 4 5 6
Fig.19
1 Reserved
2 Enable Potential free contact/Load shedding
3 Locked Cable Function (only for socket models)
4, 5, 6 Power Optimizer (requires optional accessories)
NOTE
DIP-switch settings
DIP-switch settings are optional. All settings can be
changed by using the Setup App, or the web configura-
tion interface (see chapter8, "Webasto Unite Configur-
ation Interface" on page 17).
uThe most recent made setting will always be ap-
plied.
uThe current setting is shown in the web configura-
tion interface.
6.7.1 Enable Potential free contact/Load
shedding
Your charging station can be controlled with external potential-
free contacts (on/off function) for integration of the charging
station into:
lcar park automation systems
lenergy supplier ripple control devices
ltimer switches
lphotovoltaic inverters
lauxiliary load control switches
lexternal key lock switches
letc.
1
ON
2 3 4 5 6
ON
OFF
Fig.20
ON Enabled OFF Disabled
1. Set DIP switch 2 in the ON position to enable the external
enable function, or in the OFF position to disable the ex-
ternal enable function.
1
CN2
EVSE RL
1
4
2
3
2
Carpark
Automation
System
Control
12
3 4
RL
AB
Fig.21
Pos. Description
CN2 Connector 2
RL Relay
A Main board charging station
B Car Automation System Control
Pin assignments connector 2
1 Pin 1
2 Pin 2
Pin assignments Relay
1, 2 Potential free contacts
3, 4 Relay coil
Fig.22
Terminal Function
1 (CN2-1) Potential free contact /Load shedding
2 (CN2-2) Potential free contact/Load shedding
3 (CN2-3) Load Shedding Input +
4 (CN2-4) Load Shedding Input -
5 (CN2-5 Power optimizer meter B (COM)
6 (CN2-6) Power optimizer meter A (COM)
7 (CN2-7) -
8 (CN2-8) -
1. Mount the wiring according to the illustration and table
above.
Charging is disabled when the external relay contacts
are in the open position.
NOTE
DIP-switch settings
DIP-switch settings are optional. All settings can be
changed by using the Setup App, or the web configura-
tion interface (see chapter8, "Webasto Unite Configur-
ation Interface" on page 17).
uThe most recent made setting will always be ap-
plied.
uThe current setting is shown in the web configura-
tion interface.
6.7.2 Data cable connection
Following data connection cables can be inserted through the
cable holes:
lExternal enable input cable
lPower optimizer measurement cable (external meter)
lEthernet connection cables
lLoad shedding triggering signal cable
6 | Installation and electrical connection
12 / 34 5111967B_OI-II_Webasto Unite_EN
lShunt trip module control signal cable for welded relay
contact failure
1
Fig.23
1
Fig.24
1. Remove the cork (1) from the cable gland.
2
Fig.25
2. Insert the cable (2) into the cable hole.
3
4
2
Fig.26
Fig.27
3. To connect the wires to the mainboard, check the applic-
able sections depending on the function(s) to be used.
6.7.3 Locked cable function
The cable will be locked and the socket model charging station
behaves like an attached cable model.
To activate this function:
Fig.28
1. Turn off the power to your charging station.
Fig.4
2. Open the product cover as described in the installation
manual.
1
ON
2 3 4 5 6
ON
OFF
Fig.30
ON Enabled OFF Disabled
3. To enable the locked cable function, toggle DIP switch 3
into the ON position using a pointed spudger or a similar
plastic pointed tool. The DIP switch location is shown in the
above figure.
NOTE
DIP-switch settings
DIP-switch settings are optional. All settings can be
changed by using the Setup App, or the web configura-
tion interface (see chapter8, "Webasto Unite Configur-
ation Interface" on page 17).
uThe most recent made setting will always be ap-
plied.
uThe current setting is shown in the web configura-
tion interface.
Installation and electrical connection | 6
5111967B_OI-II_Webasto Unite_EN 13 / 34
Fig.31
4. Close the product cover as described in the installation
manual.
Fig.32
5. Open the hinged lid of the outlet socket.
Fig.33
6. Plug the charging cable plug into the outlet socket.
Fig.34
7. Turn on the power to your charging station. The cable be-
comes locked and the charging station starts behaving as a
cable model.
6.7.4 Power optimizer / external meter (requires
optional accessories)
The power optimizer / external meter feature is provided with
optional metering accessories which are sold separately.
Compatible external meters
Check the online documentation for compatible ex-
ternal meters.
In power optimizer mode, the total current drawn (by the char-
ging station and other household appliances) from the mains
switch of the house is measured with a current sensor integ-
rated into the main power line. The current limit of the system’s
mains power line is set through the DIP switches inside the
charging station according to the limit set by the user. The char-
ging station dynamically adjusts its output charging current ac-
cording to the measurement of the mains power line.
The current limiter settings determine the maximum permissible
current at the grid connection point or at the meter's installa-
tion location. The maximum current for the charging station is
then dynamically adjusted to not exceed the maximum current
at the grid connection point.
1
ON
2 3 4 5 6
ON
OFF
Fig.35
DIP switch positions 4, 5 and 6 correspond to the binary digits
of the maximum current value, as shown in the table below.
When DIP switches 4, 5 and 6 are in the OFF position, then the
power optimizer functionality is disabled.
DIP switch 4 DIP switch 5 DIP switch 6 Current limit
value
OFF OFF OFF Power optim-
izer
disabled
OFF OFF ON 16
OFF ON OFF 20
OFF ON ON 25
ON OFF OFF 32
ON OFF ON 40
ON ON OFF 63
ON ON ON 80
Table3: DIP Switch Positions
NOTE
DIP-switch settings
DIP-switch settings are optional. All settings can be
changed by using the Setup App, or the web configura-
tion interface (see chapter8, "Webasto Unite Configur-
ation Interface" on page 17).
uThe most recent made setting will always be ap-
plied.
uThe current setting is shown in the web configura-
tion interface.
6 | Installation and electrical connection
14 / 34 5111967B_OI-II_Webasto Unite_EN
Fig.36
The power optimizer meter must be installed just after the
mains switch of the house, as shown in the illustration above.
1. Install the power optimizer meter
2. Install the wiring according to the figure and table below.
7
Fig.37
Terminal Description
5 (CN20-1) B (COM)
6 (CN20-2) A (COM)
6.8 Using the Mode selection switch
The Webasto Unite has the following modes:
lOperation Mode 1 (Standard Charging): This mode is the
factory default setting.
lOperation Mode 2 No function
lOperation Mode 3 No function
1
2
3
Fig.38
lThe mode selection switch must be in position 1.
6.9 Setting up Load shedding /
Potential-free contact
The Webasto Unite supports load shedding. Load shedding
provides immediate charging-current reduction in case of lim-
ited supply. Load shedding can be used in any mode, including
Standalone and OCPP-connected modes. The load-shedding
triggering signal is a dry contact, (potential free) signal. This sig-
nal must be provided externally, and must be connected to ter-
minals 3 and 4 on the power board.
lWhen load shedding is activated by closing the contacts
with an external device (such as ripple control receivers),
then the charging current is reduced to 8 A.
lWhen load shedding is deactivated by opening the con-
tacts, then the charging process continues at the maximum
available current.
lIn a normal state, when there is no signal connected to the
load shedding input (contacts open between terminal 3
and 4), the charging station supplies the maximum avail-
able current.
Fig.39
Terminal Input
3 Load Shedding Input +
4 Load Shedding Input -
Load Shedding
Input State
Behaviour
Open Contact Charge with maximum available current.
Closed Contact Charge with 8 A.
lConnect the potential free contact load-shedding signal.
6.10 Monitoring welded relay contact
failures
In accordance with IEC 61851-1 and EV/ZE Ready requirements,
the Webasto Unite has a welded contactor sensing function. If a
welded contact occurs, then the main board provides a shunt
trip 230 V signal. Note that the CN33 connector output termin-
als must be used to detect welded contact failure for the relays.
In case of a welded contact for the relays, the CN33 connector
output will be 230 V AC. The output which has 230V AC must
be connected to a shunt trip for RCCB triggering as shown be-
low.
1
2
EVSE
N
L1_W
CN33
230V
SHUNT
TRIP
RCBB
or
MCB
Fig.40
The cabling must be done as shown below. The connector
(CN33) terminals must be connected to a shunt trip module.
The shunt Trip module is mechanically coupled to an RCCB (or
MCB) at the fuse box of the charging station.
Installation and electrical connection | 6
5111967B_OI-II_Webasto Unite_EN 15 / 34
CN33
Fig.41
Connect the shunt trip module to the charging station
6.11 Resetting RFID card lists and
registering new master RFID cards
This section explains how to reset the local RFID card list and
how to register new master RFID cards in standalone usage
mode. If you have lost your master RFID card and need to
define a new master RFID card, then a qualified service techni-
cian must follow these steps:
1
ON
23456
Toggle
Fig.42
1. Switch off the charging station.
2. Open the charging station’s front cover.
3. Toggle DIP switch number 1.
4. Close the charging station’s front cover.
5. Switch on the charging station again.
When the charger is powered on again, make sure that
all previously stored master card and user card lists have
been erased. If so, then the configuration mode is active
for 60 seconds and the LED indicator is flashing red. The
first RFID card to be registered within 60 second will be
the new master RFID card. Follow the on-screen in-
structions to register the RFID user card which is used
during the charging process.
If the new master card is not registered within 60
seconds, then the configuration mode is cancelled and
the charging station will behave as an autostart
product.
6.12 Configuring a charging station’s
Ethernet port
This section explains how to set the Ethernet port of your char-
ging station to a static IP address in standalone usage mode.
The facture default setting for your charging station is DHCP
mode. If you have to connect to the charging station’s web
configuration interface directly by using a computer (instead of
using your router’s DHCP server), then follow the steps below:
1
ON
23456
Toggle
Fig.43
1. Switch off the charging station.
2. Open the charging station’s front cover.
3. Toggle DIP switch number 2.
4. Close the charging station’s front cover.
5. Switch on the charging station again.
6. The charging station now sets its Ethernet port to:
- Static address: 192.168.0.100
- Subnet mask: 255.255.255.0
If the charger’s LAN (Local Area Network) interface has to be
changed back to DHCP mode again, then you can do this from
the web configuration interface (see chapter8, "Webasto Unite
Configuration Interface" on page 17).
NOTE
You can also use the factory reset function to set the
LAN interface back to DHCP mode. Note however that
all other parameters will also be reset to factory de-
fault.
6.13 Enabling and disabling the web
configuration interface
To enable or disable the Web Configuration Interface:
1
ON
23456
Toggle
OFF
ON
Fig.44
ATTENTION
Setting of DIP switch number 3
The web configuration interface is:
udisabled in the ON position.
uenabled in the OFF position.
1. Put DIP switch number 3
in the ON position to disable the web configuration in-
terface.
in the OFF position to enable the web configuration in-
terface.
6.14 Configuring an OCPP connection
6.14.1 Connecting OCPP over the Cellular
Network (Optional)
Connecting OCPP over the cellular network is only available for
Webasto Unite versions that support 4G.
7 | Commissioning the charging station
16 / 34 5111967B_OI-II_Webasto Unite_EN
Fig.45
1. Insert the micro SIM card (not part of the scope of delivery)
in the SIM card slot CN1 on the cellular module.
6.14.2 Connecting OCPP via Ethernet
Fig.46
1. Feed the Ethernet cable through the cable gland as shown
above.
Fig.47
2. Pull the Ethernet cable through the cable clamps as shown
by the arrows above.
CN13
Fig.48
3. Insert the RJ45 connector into the socket as shown above.
6.15 Final step
After completing all relevant installation and configuration steps
and before powering up the charging station, you must
close the front cover.
Fig.49
1. Close the charging station cover.
2. Mount all 8 cover screws (which were removed at the be-
ginning of the installation).
Tighten all cover screws, using a Torx T20 Security L-
wrench or a right-angle screwdriver adapter with a Torx
T20 Security bit.
7 Commissioning the charging
station
You can connect your computer to the charging station to ac-
cess the web configuration interface in the following ways:
lIndirectly by using a router with a DHCP server.
lUsing this option, you must connect the charging station as
well as the computer to the router. You must check your
router’s IP address because you need this to make a con-
nection.
lDirectly via an Ethernet patch cable
lConnect your computer directly to the charging station us-
ing an Ethernet patch cable.
In this case, make sure that:
you have configured the charging station’s LAN inter-
face to a static IP. See chapter6.12, "Configuring a
charging station’s Ethernet port" on page 15.
you have enabled your charging station’s web configur-
ation interface via a DIP switch setting. The web config-
uration interface is enabled by default. See chapter6.13,
"Enabling and disabling the web configuration interface"
on page 15.
7.1 Connecting your computer and
your smart board to the same
network
To access the web configuration interface, first connect your
computer and charging station to the same Ethernet switch or
router.
CN13
lAlternatively, connect the charging station to your com-
puter directly.
Webasto Unite Configuration Interface | 8
5111967B_OI-II_Webasto Unite_EN 17 / 34
The default IP address of the HMI board is 192.168.0.100. This
is why you must assign a static IP address to your computer,
which must also be in the same network as the HMI (Human
Machine Interface) board. To assign a static IP address in the
192.168.0.254 network to your computer, the IP address must
be in the 192.168.0.1 - 192.168.0.254 range.
7.2 Accessing the Webasto Unite
configuration interface using a
web browser
Open your web browser, and in the address bar enter the IP ad-
dress (192.168.0.100) of the smart board. Press Enter to open
the login page in your browser.
When accessing the web configuration interface for the first
time, you will see the warning:
“We recommend you change your default password from Sys-
tem maintenance menu”.
Your default login credentials are at the front of this document
on a 'blank' page with a sticker showing your username and
password.
Click the Change Password Button on the login page, or the
“Administration Password” section under the “System Mainten-
ance” menu, to change your password.
NOTE: In case of accessibility problems when using the web
configuration interface, note that web browsers usually save ac-
cess information from websites in the form of cache and cook-
ies. Forcing a refresh (by pressing F5) or a clean (depending on
your operating system and browser) often fixes problems sur-
rounding page loading and formatting.
Should problems persist, please google: clearing browser cache.
7.3 Accessing the Webasto Unite
configuration interface via Wi-Fi
hotspot
After connecting to the “Wi-Fi Hotspot” network, open the web
browser on your computer or mobile device, and then enter the
charging station’s IP address (172.20.0.1).
For Android mobile devices, configure your Chrome
browser to download and display the desktop site.
Click the ‘more’ menu ( ) in the upper right corner of
your screen, and then click Desktop site.
For iOS mobile devices, configure your Safari browser to
download and display the desktop site. Click the ‘aA
menu in the upper left corner of your screen, and then
click Request Desktop Website. To set the text size to
50% click the smaller A at the top left of the ’aA’ menu.
Enter your user credentials for connection, to access the login
page of the web configuration interface in your browser. See
also the below example.
Your default login credentials are at the front of this document
on a 'blank' page with a sticker showing your username and
password.
NOTE
Wi-Fi hotspot limitations
uThe web configuration interface via Wi-Fi hotspot is
limited to a maximum of 3 users.
uThe web configuration interface via Wi-Fi hotspot
only works on the 2.4 GHz band.
8 Webasto Unite
Configuration Interface
The Webasto Unite Configuration Interface has a horizontal top
menu bar which provides the following functions:
Logout
The Log out button on the upper right corner of the
screen enables you to exit the User Configuration Inter-
face. log out.
Change password
Display language
The drop-down list on the left of the Log out button
enables you to change the web configuration interface
language.
Available languages are: Czech, Danish, English, French, Ger-
man, Hungarian, Italian, Norwegian, Polish, Romanian, Slov-
akian, Spanish, Swedish, Turkish.
The boxes are configured in English by default.
The top bar also provides access to the following pages:
Main Page - see also: chapter8.1, "Main page" on page
18.
General Settings - see also: chapter8.2, "General Set-
tings" on page 18
Installation Settings see also: chapter8.3, "Installation
Settings" on page 18
OCPP Settings - see also: chapter8.4, "OCPP Settings"
on page 19
Network Interfaces - see also: chapter8.5, "Network In-
terfaces" on page 20
Standalone Mode - see also: chapter8.6, "Standalone
Mode" on page 21
8 | Webasto Unite Configuration Interface
18 / 34 5111967B_OI-II_Webasto Unite_EN
Local Load Management
System Maintenance - see also: chapter8.8, "System
Maintenance" on page 22
Firmware Update Screen Flow
8.1 Main page
After logging in successfully, you are directed to the main page.
The main page shows general information about the device
such as software versions, connection interface and IDs.
8.2 General Settings
8.2.1 Setting the LED dimmer
To adjust the brightness level of the LED ring, select the desired
option in the drop-down list.
If you select the LED dimming level as “Time Based”, then the
options “Sunrise Time” and “Sunset Time” are shown and can
be configured. “Sunrise Time” defines the transition time of low
to high dimming level. Similarly, “Sunset Time” defines the
transition time of high to low dimming level. Sunrise and sunset
time-based configuration is a periodic daily setting.
8.2.2 Setting the standby LED behavior
To enable standby LED behaviour, select “On” in the drop-down
list. When set to "Off" the LED indicator is not illuminated when
in standby. The default setting is "On".
8.3 Installation Settings
8.3.1 Earthing system
Select the Earthing System tab from the web configuration in-
terface.
If you select earthing type IT, then the protective earth error
check is disabled.
The earthing type is set to TN/TT by default in the web config-
uration interface.
8.3.2 Current limiter settings
Here you can set the number of installed phases and the max-
imum current limit. Please note that incorrect setting of the in-
stalled phases (e.g. setting three phases when actually only one
phase is installed) will cause the charging station to go into fail-
ure mode.
The current limiter value can be manually set between 6 – 32 A.
If a value below 6 A is entered, a warning will be shown to
enter a minimum of 6A.
Example: If the charging station’s current limiter is set to 16A in
the hardware and it is entered and set to 32A in the web con-
figuration interface, then the station will take 16A.
8.3.3 Unbalanced load detection
Unbalanced load detection is disabled in web configuration
user interface by default.
The unbalanced load detection function detects if there is an ex-
cessive difference in power consumption between phases.
If one phase draws more than 4.6 kW of power (average of the
last minute) than the other phases in one minute, the load is un-
balanced. Unbalanced load detection detects this situation and
the current is limited so that the phases do not exceed the
power limit.
For example,
Phase 1 power :3 kW,
Phase 2 power :3 kW,
Phase 3 power: 1 kW.
Webasto Unite Configuration Interface | 8
5111967B_OI-II_Webasto Unite_EN 19 / 34
The power limit for phase 1 or phase 2 is
5.6kW(1kW+4.6kW)
If the voltage is 230 V, the current limit is
5600/230=24A.
General formula:
Power limit = (Minimum Power+4.6)(kW)
Current limit = Power Limit / Voltage (Amps)
8.3.4 External Input / Dry contact enabled
This option is set to “disabled” by default.
If you want to use the external enable input function, then you
must change this setting to “enabled”
8.3.5 Lockable cable
This option is set to “disabled” in the web configuration user in-
terface. This is the default setting.
8.3.6 Power Optimizer/dynamic load
management
For Power Optimizer Total Current Limit, The value mentioned
in chapter6.7.4, "Power optimizer / external meter (requires op-
tional accessories)" on page 13 can be set from web configura-
tion interface as shown in figure below.
For Power Optimizer External Meter, the installed external smart
meter must be selected from the drop down list.
8.4 OCPP Settings
OCPP Connection
If you set the OCPP Connection mode to “Enabled” then you
must complete all fields in the connection settings section and
enable the configuration parameters sections.
Currently, the only available OCPP version is OCPP 1.6, so this is
selected by default.
Click the Set to Defaults button to reset OCPP configuration
parameters.
You can select the following OCPP settings type from the menu
on the left of the page:
OCPP Connection
OCPP Version
Connection Settings
OCPP Configuration Parameters.
Click the Save button to apply your selection.
Please note that the system does not accept the unsuitable val-
ues and will return a warning. In this case, values will not be
saved, after which you are then returned to the main page; so
check your values.
If you make any changes, and you do not save these before
leaving the page, then the below warning will be returned.
8 | Webasto Unite Configuration Interface
20 / 34 5111967B_OI-II_Webasto Unite_EN
8.5 Network Interfaces
You can configure Cellular, LAN (Ethernet) and WLAN (Wi-Fi) on
this page.
To activate an interface mode, set it to “Enabled”.
If you set IP setting to "Static", blank spaces are mandatory for
the fields "IP Address", "Network Mask", "Default Gateway"
and "Primary DNS".
If you enable Wi-Fi, then “SSID”, “Password” and “Security” are
mandatory.
Complete all spaces in the suitable format.
CELLULAR (optional, only applicable to 5112415A)
Before you enable cellular connectivity, you must insert a SIM
card into the SIM card slot (see chapter6.14.1, "Connecting
OCPP over the Cellular Network (Optional)" on page 15).
To enable cellular connectivity, set the cellular property to "en-
abled" and specify the "APN Name". Providing an APN name is
mandatory.
All other input fields are optional.=
If the SIM card you are using requires a PIN code, make sure
you enter it in the "SIM PIN" input box. If the pin code protec-
tion is disabled for the SIM card you are using, you can leave
this input field blank.
The Cellular Gateway functionality will be enabled at a later
date via an OTA update.
LAN
Webasto Unite Configuration Interface | 8
5111967B_OI-II_Webasto Unite_EN 21 / 34
WLAN
Click the SAVE button to finish.
Wi-Fi HOTSPOT
For details, see chapter7.3, "Accessing the Webasto Unite con-
figuration interface via Wi-Fi hotspot" on page 17.
WARNING
If you change the SSID and Password of the Wi-Fi Hot-
spot, the QR Code for the Webasto Charger Setup App
will not work anymore – you must enter the credentials
manually after changing these settings.
Here you can configure the behaviour of the Wi-Fi Hotspot:
"Turn on during boot" defines the behaviour of the Wi-Fi Hot-
spot when the charger starts (default is "enabled"). Enabled
means that the Wi-Fi Hotspot will be activated when the char-
ger starts, Disabled means that the Wi-Fi Hotspot will not be ac-
tivated when the charger starts.
"Auto turn off timeout" determines whether the Wi-Fi Hotspot
remains active continuously ("Disabled") or turns off after the
defined minutes selected in the dropdown menu. The default
setting is "Disabled".
NOTE
If the Wi-Fi Hotspot is disabled, you can only access the
WebUI via a wired LAN connection, as explained in
chapter7.1, "Connecting your computer and your
smart board to the same network" on page 16.
8.6 Standalone Mode
If you have enabled OCPP under the OCPP settings previously,
then you cannot select standalone mode. The mode list and
Save button are disabled in this case.
If you have not enabled OCPP, then you can select one of the
following standalone modes:
lRFID Local List mode to authenticate an RFID local list to
be entered by you. You can add or delete items from the
RFID local list later.
lAccept All RFIDs mode to authenticate all RFIDs.
lAutostart mode to allow charging without the need for
authorization. You only have to plug in to start charging.
After selecting the mode, click the Save button and reboot the
charger.
8.7 Local Load Management
The default setting for local load management is "Disabled".
Select one of the following options for Local load management
from the drop-down list:
lMaster/Slave
lModbus TCP
lDisabled
NOTE
To use Local Load Management (Master/Slave or Mod-
bus TCP), the charging stations must be connected via a
wired RJ-45 LAN connection in a Star Topology using a
DHCP switch or router.
8.7.1 Master/Slave
Load management option Master/Slave is the integrated Local
Cluster Load Management functionality. After activation the
configuration options become visible.
8 | Webasto Unite Configuration Interface
22 / 34 5111967B_OI-II_Webasto Unite_EN
l"Charge Point Role" defines the role of the charging station
within the cluster:
"Master" sets it to the controlling unit - if you choose to
set up a dynamic load management cluster, the smart
meter has to be connected to this unit.
"Slave" sets it to the controlled unit, which is regulated
by the settings made in the Master charging station.
l"Main Circuit Breaker Current" sets the maximum current of
the installed circuit breaker - this is the absolute maximum
current that can be selected for the Cluster.
l"DLM Total Current Limit Per Phase" defines the maximum
current available to the cluster and the total current limit
must be lower or equal to the main circuit breaker current.
l"Supply Type" defines the setting of the cluster (Static or
dynamic):
"Static" means the cluster is limited to a maximum cur-
rent which will never be exceeded and the cluster is reg-
ulated accordingly.
l"Klefr" means the cluster is limited to the maximum cur-
rent, but it also takes into account real time data from the
externally connected Klefr meter (requires optional ac-
cessories) taking into account also other consumers in the
installation (schematic see chapter6.7.4, "Power optim-
izer / external meter (requires optional accessories)" on
page 13).
l"Garo" means the cluster is limited to the maximum cur-
rent, but it also takes into account real time data from the
externally connected Garo meter (requires optional ac-
cessories) taking into account also other consumers in the
installation (schematic see chapter6.7.4, "Power optim-
izer / external meter (requires optional accessories)" on
page 13).
l"Load Management Mode" defines the algorithm used to
distribute the available current within the cluster:
"Equally shared" means the available current is distrib-
uted equally within the cluster
"FIFO" means first in first out, which means vehicles con-
nected first will receive the maximum available power
and later connected vehicles get lower current, depend-
ing on the availability.
"Combined" means the vehicles connected first are get-
ting higher current and later connected vehicles are get-
ting the leftover power equally distributed.
In this section you can update the DLM group via the button
and then choose all charging stations that are registered within
the cluster.
Various types of data can be shown in this tab.
"Phase connection sequence" defines the order of phases in
case a phase rotation is implemented within the cluster.
8.7.2 Modbus TCP (EMS)
"Modbus TCP" enables the EMS mode. In this mode the char-
ging station can be integrated into a compatible Energy Man-
agement System (Check the online documentation for compat-
ible energy management systems). All EMS specific configura-
tions are done via the energy management system and are com-
municated to the charging station via Modbus TCP.
8.8 System Maintenance
LOG FILES page
Click the buttons to download OCPP or HMI logs.
Setting up charging | 9
5111967B_OI-II_Webasto Unite_EN 23 / 34
The downloaded log files are shown after a few seconds.
FIRMWIRE UPDATE page.
Click the Upload button to upload a firmware update file from
your computer,
After the file is uploaded, click the Update button to start the
firmware update.
When the update is in progress, the charger’s LED indicator
continuously lights up in red. After the firmware update is fin-
ished, the charger restarts automatically. You can find the latest
firmware version of your charger in the webconfig UI on the
main page.
CONFIGURATION AND BACKUP page
The CONFIGURATION AND BACKUP page enables you to
backup the system.
To start a restore, click the Restore Config File button and up-
load the backup file. The system only accepts the .bak files.
SYSTEM RESET Page
The SYSTEM RESET Page enables you to perform a Soft Reset
and Hard Reset by clicking the relevant buttons.
Soft Reset means that the charger is reset as soon as the char-
ger is in its idle state.
Hard Reset means that the charger will reset immediately re-
gardless of the charger's current state.
FACTORY DEFAULT CONFIGURATION page
The FACTORY DEFAULT CONFIGURATION page enables you to
apply a factory reset to the charger.
9 Setting up charging
9.1 Charging cable plug
Fig.32
1. Open the hinged lid of the outlet socket.
9 | Setting up charging
24 / 34 5111967B_OI-II_Webasto Unite_EN
Fig.33
2. Plug the charging cable plug into the outlet socket.
9.2 Reading the status information
LED
1
Fig.52
1 Status information LED
LED Description
Constant blue (or
no LED Indication
in power save
mode)
The charger is ready to
charge.
Finished charging with RFID
card.
4 sec
Blinks blue Electric Vehicle is connec-
ted.
Charging Station is waiting
for RFID card authorization.
Green glowing Charging is authenticated.
Blue glowing Charging in progress.
Constant blue Charging suspended or fin-
ished.
Constant red Fault condition
4 sec
Blinks red Ventilation required mode.
LED Description
4 sec
Blinks purple Charging current limited to
16 A due to over temperat-
ure.
Constant purple Charging is not possible
due to over temperature, or
the power optimizer cur-
rent limit is reached, or the
charger is disabled.
1 sec
Blinks red and
blue
Charging station is re-
served.
Charging station is waiting
for Eco Time interval.
Charging station is in Delay
Charge Mode.
Constant red Firmware update
1 sec
Blinks red every
second for 60
seconds.
Master card config mode /
Local card list reset.
2 sec
Blinks blue every 2
seconds
Waiting to tap a User RFID
card or authentication/start
with Webasto ChargeCon-
nect.
2 x
Blinks green 2
times
User RFID Card added to
local RFID list.
2 x
Blinks red 2 times User RFID card removed
from local RFID.
Green glowing Authorized
RFID Card is tapped while
the charging cable is con-
nected.
30 sec
Glows green for
30 seconds
An authorized RFID Card is
tapped while the charging
cable is not connected.
3 x
Blinks red 3 times Start / stop charging at-
tempt with unauthorized
RFID card.
9.3 Standalone / Offline Usage modes
First usage of “Standalone Usage” mode charger: Your charging
station’s master RFID card is already registered to your unit and
you can find your master RFID card in its accessories.
1. Connect the charging cable to start charging.
2. Tap your master card to add a card.
9.3.1 Autostart (Freecharging) mode
9.3.1.1 Connecting & charging
Fig.53
Setting up charging | 9
5111967B_OI-II_Webasto Unite_EN 25 / 34
Constant blue (or no LED Indication in power save
mode)
Make sure that your vehicle and the charging station are ready
for charging.
Fig.54
Constant blue (or no LED Indication in power save
mode)
Insert the charging plug into the vehicle inlet and the charging
station socket outlet.
Fig.55
Blue glowing
Charging starts and the status indicator LED glows blue.
9.3.1.2 Stop charging
Fig.56
Constant blue (or no LED Indication in power save
mode)
Unplug the charging cable from the vehicle first.
Fig.57
Constant blue (or no LED Indication in power save
mode)
Unplug the charging cable from the charging station.
9.3.2 RFID Authorisation mode
With some configuration variants, you may find RFID cards (1x
master card; 2 x user cards). The master RFID-card is required
for adding or deleting user RFID cards. User RFID cards are re-
quired to start or stop charging sessions.
Fig.58
9.3.2.1 Adding user RFID cards to a charging station
If you want to switch to RFID authorised mode and to register
user RFID cards to the charging station, you must first tap your
charging station with your master RFID card when the charging
cable is not connected. After doing so, the indication LED will
start to blink blue for 60 seconds. During this period you can
add/delete a given user RFID card. If you do not make any con-
figuration changes within 60 seconds, the charging station will
exit from its configuration mode and will return to its previous
mode. You must repeat these steps for each user RFID card ad-
dition/deletion.
9.3.2.2 Vehicle connecting & charging
Fig.53
Constant blue (or no LED Indication in power save
mode)
Make sure that your vehicle and the charging station are ready
for charging.
Fig.54
Constant blue (or no LED Indication in power save
mode)
Insert the charging plug into the vehicle inlet and the charging
station socket outlet.
Fig.61
4 sec
Blinks blue
Tap the user RFID card on the reader.
9 | Setting up charging
26 / 34 5111967B_OI-II_Webasto Unite_EN
Fig.62
Green glowing
Start charging with a card that has been authorized before.
Fig.55
Blue glowing
Charging starts and the status indicator LED glows blue.
NOTE
Charging operation requires an authorized card
Charging operation is rejected by the charging station
when you want to start charging with an unauthorized
card.
9.3.2.3 Stop charging
You must only use the following alternative methods to stop
charging. Never attempt to unplug the charging cable from its
charging station before stopping charging, otherwise the lock-
ing mechanism may get damaged.
Method 1
Fig.64
Constant Blue
You can terminate charging by tapping the RFID card that you
have used to start charging.
Method 2
Fig.56
Constant blue (or no LED Indication in power save
mode)
Unplug the charging cable from the vehicle first.
Fig.57
Constant blue (or no LED Indication in power save
mode)
Unplug the charging cable from the charging station.
9.4 OCPP Connected mode
LAN (Ethernet) and WLAN (Wi-Fi) use the charging station’s
OCPP connected mode.
4G connectivity is optional for product variant 5112415A and
also uses the OCPP connected mode. In order to set it up you
need to insert a SIM card (not part of the scope of delivery). See
chapter6.14.1, "Connecting OCPP over the Cellular Network
(Optional)" on page 15. To configure it, see chapter8.5, "Net-
work Interfaces" on page 20.
OCPP connected mode is pre-configured, so this mode is used
by default. In addition, the charging station is also pre-con-
figured for Freemode charging; it does not matter if the unit is
connected to the OCPP central system or not. During installa-
tion from the Web Configuration Interface or the OCPP central
system (OCPP Freemode), you must disable the Freemode set-
ting.
9.4.1 Connecting & charging
Fig.53
Constant blue (or no LED Indication in power save
mode)
Make sure that your vehicle and the charging station are ready
for charging.
Fig.54
Constant blue (or no LED Indication in power save
mode)
Insert the charging plug into the vehicle inlet and the charging
station socket outlet.
Fig.61
4 sec
Blinks blue
MID meter models | 10
5111967B_OI-II_Webasto Unite_EN 27 / 34
Tap the RFID card on the RFID reader. You may start charging
with a card which is registered with your charging operator.
Fig.62
Green glowing
You may start charging with a card that has been authorized
before. If the RFID Card is authorized by OCPP Central System,
charging will start.
Fig.55
Blue glowing
Charging starts and the status indicator LED glows blue.
NOTE
Charging operation requires an authorized card
Charging operation is rejected by the charging station
when you want to start charging with an unauthorized
card.
9.4.2 Stop charging
You must only use the following alternative methods to stop
charging. Never attempt to unplug the charging cable from its
charging station before stopping charging, otherwise the lock-
ing mechanism may get damaged.
Method 1
Fig.64
Constant Blue
You can terminate charging by tapping the RFID card that you
have used to start charging.
Method 2
Fig.56
Constant blue (or no LED Indication in power save
mode)
Unplug the charging cable from the vehicle first.
Fig.57
Constant blue (or no LED Indication in power save
mode)
Unplug the charging cable from the charging station.
9.4.3 OCPP 1.6 JSON additional features
9.4.3.1 Remote charge initiation / termination
This feature is supported by the charging station. If it is also
supported by the connected server, then charging process may
be initiated/terminated remotely.
9.4.3.2 Hard reset/soft reset
If the charging station is not working properly, the service pro-
vider may reset the appliance with this feature. There are two
types of resets: Software or hardware reset may be selected.
9.4.3.3 Unlocking the socket
If the charging cable is locked at the charging station, the ser-
vice provider may unlock the cable via this feature.
10 MID meter models
The MID meter’s display can show the total active energy.
11 | Troubleshooting
28 / 34 5111967B_OI-II_Webasto Unite_EN
11 Troubleshooting
Status Indicator Problem Possible Causes Recommended Solutions
Constant LED The AC supply voltage may not
be within the range of values in
the Operating Instructions,
A grounding connection may
be absent and / or the phase /
neutral connections may have
been reversed, or the charging
station may have a fault.
Make sure that the voltage is
within the specified range and
that a grounding connection is
in place.
If the button is still solid red,
please contact your authorized
service.
4 sec
Even though the status inform-
ation LED blinks blue every four
seconds, you cannot:
- start charging the electric
vehicle, or to
- lock the plug into the char-
ging station,
The charging plug may not be
properly connected to the char-
ging device or to the electric
vehicle.
Make sure that the charging
plug is connected properly on
both ends of the cable.
Make sure your electric vehicle
is in charging mode.
4 sec
The status information LED
blinks in red.
This error is displayed if your
vehicle is equipped with a bat-
tery type that requires ventila-
tion.
This charging station is not suit-
able to charge such battery
types.
NOTE
Troubleshooting
If you need further assistance in troubleshooting, please contact your contractual partner for support
NOTE
Wi-Fi connection issues
If you have a Wi-Fi connection issue when controlling the charger, then restart your router and check the connections.
11.1 Resetting to factory defaults
To enable you to restore the charging station to its factory default settings, the HMI board features a reset button.
WARNING
Factory reset of the charging station must only be carried out by a qualified electrician.
uAfter a factory reset, all configuration settings must be set again.
SW4
uPress the button for 5 seconds to reset the user configuration to its factory default settings. The OCPP configuration and the
network configuration will revert to the factory default settings.
Troubleshooting | 11
5111967B_OI-II_Webasto Unite_EN 29 / 34
11.2 General error condition
1
23
4
(0123) 456 78 90
5
If the status information LED is constantly red (1), then turn off the charging station (2) and turn it on again (3). If the LED is still
constantly red (4), then call (5) an authorized service provider.
11.3 DC 6 mA leakage current sensor behavior
This charging station is equipped with a DC leakage current sensor that reacts to DC leakage currents higher than 6 mA.
If the charging station goes into an error state due to DC leakage current, then you must:
lfirst unplug the charging cable from vehicle, and
lthen unplug the charging cable from the charging station
to reset this error.
The 6 mA sensor inside this charging station has daily self-test for proper operation.
12 | Disposal
30 / 34 5111967B_OI-II_Webasto Unite_EN
12 Disposal
The symbol of the crossed-out waste bin indicates
that this electrical/electronic device must not be
disposed of in household waste at the end of its
service life. Dispose of the device free of charge at
a local collection point for electrical/electronic
devices. Addressed can be obtained from your city
or local authority. Separate collection of electrical
and electronic devices enables re-use, material re-
cycling or other forms of re-utilisation of waste
equipment while also avoiding the negative effects
of hazardous substances which may be contained
in the devices on the environment and for human
health.
lDispose of packaging in corresponding recycling container
in accordance with national regulations.
Austria:
The EAG-VO ordinance in Austria incorporated EU law on waste
electronic and electrical equipment into national legislation. This
ordinance ensures that private households have the opportunity
to return waste electronic and electrical equipment (WEEE) to
public collection points free of charge. It is no longer permitted
to dispose of WEEE in mixed municipal waste; instead, these
must be handed in at the designated collection points. This al-
lows functioning equipment to be reused, or valuable constitu-
ent parts of broken equipment to be recycled. The aim of this is
to contribute to more efficient use of resources and more sus-
tainable development. Moreover, it is only through separate col-
lection that hazardous elements of the equipment (such as CFCs
or mercury) can undergo sufficient treatment, thereby avoiding
negative impacts on the environment and human health. There
are municipal and manufacturer systems available for return and
collection of your waste household equipment free of charge.
An overview of available collection points can be found on the
following website: https://secure.umweltbundesamt.at/eras/re-
gisterabfrageEAGSammelstelleSearch.do. All household elec-
tronic and electrical equipment is marked with the symbol of a
crossed-out wheeled bin. This equipment may be handed in at
any collection point listed under the above link, and should not
be disposed of with household waste.
13 Declaration of Conformity
The Webasto Unite was developed, manufactured, tested and
supplied in accordance with the relevant directives, regulations
and standards for safety, EMC and environmental compatibility.
Webasto Thermo & Comfort SE hereby declares that the radio
equipment type "Charging Station Webasto Unite" is in compli-
ance with Directive 2014/53/EU.
The full text of the EU declaration of conformity can be found at
the following web address:
https://charging.webasto.com/int/products/documentation
14 Cleaning and maintenance
lDo not clean your EV charging device while charging your
vehicle.
lDo not wash the device with water.
lDo not use abrasive cloths and detergents. Microfiber cloth
is recommended.
Failure to follow these warnings may result in death and serious
injuries. Also, it may cause damage to your device.
15 Technical data
15.1 Model description
Product
Type
Electric Vehicle Conductive Charging System
(Mode 3 Charging Station)
Model
Name
Webasto Unite * * * * *
1st Asterisk (*) : Rated Power
AC22: 22 kW (3-phase Supply Equipment)
AC7: 7,4 kW (1-phase Supply Equipment)
2nd Asterisk (*) RFID reader is standard equipment for all
model variants:
SW: Smart Board with Ethernet Port + Wi-Fi module
with hotspot
4G: 4G / 3G / 2G module
3rd Asterisk (*) : Can be one of the following:
0 : No Display
4th Asterisk (*) can include combinations of the following:
MID: Charging station with MID meter
EICH: Charging station with Eichrecht meter
PEN: Charging unit with broken PEN detection feature
(PEN version can only be used on single phase TN-C-S
supplies)
5th Asterisk (*) can be one of the following:
SO: with normal socket
SH: with shuttered socket
15.2 Dimensional drawings
Fig.75
Technical data | 15
5111967B_OI-II_Webasto Unite_EN 31 / 34
15.3 Models
1
3
4
5 2
6 7 8
Fig.76
MID Model
1 RFID card reader (Radio Frequency Identification)
2 Status indicator LED
3 Socket outlet with shutter
4 Product label
5 MID meter display (Measuring Instruments Directive
2014/32/EU)
6 Charging station supply inlet gland nut
7 Charging station communication cable gland nut
8 Charging station communication cable gland nut
Eichrecht model
1 RFID card reader (Radio Frequency Identification)
2 Status indicator LED
3 Socket outlet with shutter
4 Product label
5 Eichrecht meter display
6 Charging station supply inlet gland nut
7 Charging station communication cable gland nut
8 Charging station communication cable gland nut
15 | Technical data
32 / 34 5111967B_OI-II_Webasto Unite_EN
15.4 Technical specifications
This product is compliant with IEC61851-1 (Ed3.0) standard for Mode 3 use.
Electrical Characteristics Webasto Unite MID Webasto Unite Eichrecht
IEC protection class Class- I
Vehicle inter-
face
Socket Model Socket TYPE 2 (IEC 62196)
Rated voltage (V AC) 400 V, 3-phase
230 V, 1-phase
Rated current (A AC) 32 A, 3-phase
32 A, 1-phase
Grid frequency (Hz) 50 / 60
Maximum AC charging power (kW) 22 kW, 3-phase
7.4 kW, 1-phase
Idle power consumption (W) 3.5 W
Built-in residual current sensing module 6 mA
Required circuit breaker on AC mains 40 A MCB Type-C
Required leakage current relay on AC Mains (for products not
equipped with RCCB Type A)
40 A – 30 mA RCCB Type-A
Required AC
mains cable
Cross-section of the connecting cable (Cu) taking into
account the local requirements and standards (min.-
max.)
Rigid: 2.5-10 mm2
Flexible: 2.5-10 mm2
Flexible with wire end ferrule: 2.5-10 mm2
Max. external dimension Ø 18 – 25 mm
Connectivity
Ethernet 10/100 Mbps Ethernet
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac
Cellular (optional) LTE: B1 (2100 MHz), B3 (1800 MHz), B7 (2600 MHz), B8
(900 MHz), B20 (800 MHz), B28A (700 MHz)
WCDMA: B1 (2100 MHz), B8 (900 MHz)
GSM: B3 (1800 MHz), B8 (900 MHz)
Wi-Fi specifications
2.4 GHz Band
Standard 802.11b 802.11g 802.11n 802.11n
Modulation DSS, CKK OFDM OFDM OFDM
Data rate 1, 2, 5.5, 11 6, 9, 12, 18, 24, 36, 48, 54 MCS0 - 7 (HT20) MCS0 -7 (HT40)
Channel* CH 1-13 CH 1-13 CH 1-13 CH 1-13
Power (dBm) 13.5 13.5 13.5 13.5
5 GHz Band
Standard 802.11a 802.11n/ac 802.11n/ac 802.11n/ac
Modulation DSS, CKK OFDM OFDM OFDM
Data rate 6, 9, 12, 18, 24, 36, 48, 54 MCS0 - 9 (HT20) MCS0 - 9 (HT40) MCS0 -9 (HT40)
Channel* CH 36-64 / CH 100-165 CH 36-64 / CH 100-165 CH 38-62 / CH 100-159 CH 42-58 / CH 100-155
Power (dBm) 14 14 14 14
Other features (Connected models)
Diagnostics Diagnostics over OCPP
WebconfigUI
Software update Remote software update over OCPP
WebconfigUI update
Remote software update with server
RFID ISO-14443A/B and ISO-15693
Material Plastic
Product size 315 mm (Width) x 460 mm (Height) x 135 mm (Depth)
Dimensions (with package) 400 mm (Width) x 530 mm (Height) x 240 mm (Depth)
Checklist for the installation of the Webasto charging station | 16
5111967B_OI-II_Webasto Unite_EN 33 / 34
Other features (Connected models)
Product weight 5 kg
Weight with package 7.1 kg
AC Mains Cable Dimensions For three-phase models Ø 18 - 25 mm
For one-phase models Ø 13 - 18 mm
Cable Inlets AC Mains / Ethernet / Modbus
Protection class IP54
Impact protection IK10
Usage conditions -35 °C to 55 °C (without direct sunlight)
5% - 95% (relative humidity, non-condensing)
0 - 4,000m
16 Checklist for the installation of the Webasto charging station
Charging station Webasto Unite
Charging power 7,4 kW 22 kW
Serial number
Material number
System type TN/TT IT Split phase
General: Applic-
able/
com-
pleted
Installation, electrical connection and initial operation of the charging station must be carried out by an electrician.
The charging station has not been installed in an explosion sensitive area (EX zone).
The charging station has been installed in a location where falling objects cannot damage the charging station.
The charging station has been installed in an area protected from direct sunlight.
Please underline the weather conditions on the installation date: sun, rain, overcast, snow or other
______________________________________________ .
The location of the charging station should be selected such that vehicles cannot inadvertently collide with it.
The legal requirements for electrical installations, fire protection, safety regulations and escape routes have been met.
The customer/user was informed how the Webasto Unite voltage is switched off with the installation-side protective
devices.
The cable bushing for the mains lead and signal cable has been installed during installation.
Tools and installation remnants have been removed from the charging station before closing the cover.
The prerequisite of a clockwise phase sequence is met during installation.
The locally applicable test logs should be drawn up during initial start-up and a copy should be given to the customer.
Electrician/contractor:
Place: Signature:
Date:
Place: Signature:
Date:
Ident No. 5111967B • 07/2023 • Errors and omissions excepted • © Webasto Thermo & Comfort SE
To request this documentation in another language, please locate and contact your local Webasto dealer. You can find
your nearest dealer at: https://dealerlocator.webasto.com/en-int.
To provide feedback (in English or German), please email: feedback2tdt@webasto.com
www.webasto.com
5111967B
Europe, Asia Pacific:
Webasto Thermo & Comfort SE
Postfach 1410
82199 Gilching
Germany
Company address:
Friedrichshafener Str. 9
82205 Gilching
Germany
UK only:
Webasto Thermo & Comfort UK Ltd
Webasto House
White Rose Way
Doncaster Carr
South Yorkshire
DN4 5JH
United Kingdom
Technical website: https://dealers.webasto.com
Only within Germany
Tel: 0395 5592 444
Mail: technikcenter@webasto.com
28

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