Webasto Unite User manual

Webasto Unite
Operating- and Installation Instructions.......................................................................................................................... 2
Webasto Charging Solutions

Table of Contents
2 5111967A OI-II Webasto Unite
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 ................................................. 5
3.1 General information ..................................................5
3.2 General safety information ........................................5
3.3 Safety information for installation.............................. 5
3.4 Safety information for electrical connection...............6
3.5 Safety information for initial start-up ......................... 6
3.6 Safety information for cleaning..................................6
3.7 Safety information for replacing the charging cable
................................................................................. 6
4 Scope of delivery ................................ 7
5 Required tools .................................... 8
6 Installation and electrical connection
........................................................... 9
6.1 Opening the charging station cover ........................... 9
6.2 Wall mounting the charging station...........................9
6.3 Using a 1-phase AC mains connection ..................... 10
6.4 Using a 3-phase AC mains connection ..................... 11
6.5 Using the cable glands.............................................12
6.6 Adjusting the current limiter .................................... 12
6.7 Setting the DIP switches .......................................... 13
6.8 Using the Mode selection switch ............................. 16
6.9 Setting up Load shedding / Potential-free contact.... 16
6.10 Monitoring welded relay contact failures ................. 17
6.11 Resetting RFID card lists and registering new master
RFID cards ............................................................... 17
6.12 Configuring a charging station’s Ethernet port......... 17
6.13 Enabling and disabling the web configuration interface
............................................................................... 17
6.14 Configuring an OCPP connection............................. 18
6.15 Final step................................................................. 18
7 Commissioning the charging station
......................................................... 19
7.1 Connecting your computer and your smart board to
the same network.................................................... 19
7.2 Accessing the Unite configuration interface using a
web browser ........................................................... 19
7.3 Accessing the Unite configuration interface via Wi-Fi
hotspot.................................................................... 19
8 Unite Configuration Interface ...........20
8.1 Main page ............................................................... 20
8.2 General Settings ...................................................... 20
8.3 Installation Settings ..................................................20
8.4 OCPP Settings...........................................................22
8.5 Network Interfaces ...................................................22
8.6 Standalone Mode .....................................................23
8.7 Local Load Management ..........................................23
8.8 System Maintenance.................................................25
9 Setting up charging ...........................26
9.1 Charging cable plug..................................................26
9.2 Reading the status information LED ..........................26
9.3 Standalone / Offline Usage modes ............................27
9.4 OCPP Connected mode ............................................29
10 MID meter models .............................30
11 Troubleshooting ................................31
11.1 Resetting to factory defaults .....................................31
11.2 General error condition.............................................32
11.3 DC 6 mA leakage current sensor behavior ................32
12 Disposal .............................................33
13 Declaration of Conformity .................33
14 Cleaning and maintenance.................33
15 Technical data ...................................34
15.1 Model description.....................................................34
15.2 Dimensional drawings ..............................................34
15.3 Models .....................................................................34
15.4 Technical specifications.............................................35
16 Checklist for the installation of the
Webasto charging station..................36

Quick Start Guide for App Solutions | 1
5111967A OI-II Webasto Unite 3 / 37
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 / 37 5111967A OI-II Webasto Unite
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.

Safety | 3
5111967A OI-II Webasto Unite 5 / 37
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.
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 | Safety
6 / 37 5111967A OI-II Webasto Unite
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.

Scope of delivery | 4
5111967A OI-II Webasto Unite 7 / 37
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
1Dowels (M8 x 50, plastic) To mount the charging station on the wall. 4
2Torx T25 security screw (M6
x 75)
To mount the charging station on the wall. 4
3Gasket for screw (6 x 75) To mount the charging station on the wall with the correct IP. 4
4Torx T20 security L‑wrench Wrench for screws to mount the charging station on the wall with the correct IP. 1
5Wrench To fasten and unfastening the cable glands. 1
6RJ45 Male connector LAN cable connection (optional). 1
7Mounting template To mount the charging station to a wall. 1
8O-ring To mount the charging station to a pole. 3
9Screw (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

5 | Required tools
8 / 37 5111967A OI-II Webasto Unite
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

Installation and electrical connection | 6
5111967A OI-II Webasto Unite 9 / 37
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 9).
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 | Installation and electrical connection
10 / 37 5111967A OI-II Webasto Unite
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.
B
A
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 12).
L1
L2
L3
L1
L2
L3
L3 L2 L1 N G
230 V
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

Installation and electrical connection | 6
5111967A OI-II Webasto Unite 11 / 37
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
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.
B
A
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 12).
L1
L2
L3
L1
L2
L3
L3 L2 L1 N G
230 V
230 V
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.
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 | Installation and electrical connection
12 / 37 5111967A OI-II Webasto Unite
6.5 Using the cable glands
1
23
Fig.16
Pos. Description
1AC mains cable gland
2AC mains cable
3Wrench
1
2
3
Fig.17
Pos. Description
1Data cable gland
2Data cable
3Wrench
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, "Unite Configuration Inter-
face" on page 20).
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
1Rotary 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
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

Installation and electrical connection | 6
5111967A OI-II Webasto Unite 13 / 37
6.7 Setting the DIP switches
1
ON
2 3 4 5 6
Fig.19
1Reserved
2Enable Potential free contact/Load shedding
3Locked 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, "Unite Configuration Inter-
face" on page 20).
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
AMain board charging station
BCar 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, "Unite Configuration Inter-
face" on page 20).
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 / 37 5111967A OI-II Webasto Unite
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
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, "Unite Configuration Inter-
face" on page 20).
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
5111967A OI-II Webasto Unite 15 / 37
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 optimizer
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
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, "Unite Configuration Inter-
face" on page 20).
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
16 / 37 5111967A OI-II Webasto Unite
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.

Installation and electrical connection | 6
5111967A OI-II Webasto Unite 17 / 37
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.
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, "Unite Configur-
ation Interface" on page 20).
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
Fig.44
1. Switch off the charging station.
2. Open the charging station’s front cover.
3. Put DIP switch number 3
– in the OFF position to disable the web configuration in-
terface.

6 | Installation and electrical connection
18 / 37 5111967A OI-II Webasto Unite
– in the ON position to enable the web configuration in-
terface.
4. Close the charging station’s front cover.
5. Switch on the charging station again.
6.14 Configuring an OCPP connection
6.14.1 Connecting OCPP via Ethernet
Fig.45
1. Feed the Ethernet cable through the cable gland as shown
above.
Fig.46
2. Pull the Ethernet cable through the cable clamps as shown
by the arrows above.
CN13
Fig.47
3. Insert the RJ45 connector into the socket as shown in fig-
ure below.
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.48
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.

Commissioning the charging station | 7
5111967A OI-II Webasto Unite 19 / 37
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 17.
– 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 17.
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.
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 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 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.

8 | Unite Configuration Interface
20 / 37 5111967A OI-II Webasto Unite
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 Unite Configuration
Interface
The 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
20.
– General Settings - see also: chapter8.2, "General Set-
tings" on page 20
– Installation Settings see also: chapter8.3, "Installation
Settings" on page 20
– OCPP Settings - see also: chapter8.4, "OCPP Settings"
on page 22
– Network Interfaces - see also: chapter8.5, "Network In-
terfaces" on page 22
– Standalone Mode - see also: chapter8.6, "Standalone
Mode" on page 23
– Local Load Management
– System Maintenance - see also: chapter8.8, "System
Maintenance" on page 25
– 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.