SMART CHARGING CONTROLLER - maxem.io · NAME 1 DRAWN LINEAR: CHK'D APPV'D MFG Q.A ANGULAR: FINISH:...

S M A R T C H A R G I N G C O N T R O L L E R

English - Installation manual

Maxem 5

2

Safety warnings

• Onlytobeinstalledbyacertifiedelectrician.

• Completelyfollowtheinstructionsgiven.

• Use this device only for the purpose it is designed for, as described in this

manual.

• Maxemworksonlyafteronlinecommissioningbytheinstaller.

• FailuretofollowtheabovewarningscanleadtoanincorrectMaxeminstallation.

This can lead to over current on the grid connection, damage to installations

andchargingstations,electricshocksorfire.

Cohere is not responsible for the installation of Maxem and for any damage arising from not following the installationmanual correctly.Nor fordamage resulting from typographicalerrorsormisinterpretationsoftextorimages.

Tip Warning

Safety Information

Symbols in this document

Liability

Installation manual for Maxem Home

Publication date: 1 April 2018

See for the most latest information on

www.maxem.io

3

EN

All information in this document is the copyright and intellectual property of Cohere Energy SolutionsB.V.Materialinthisdocumentmaynotbemodified,reproducedorcopied,inpartorinwhole,withouttheexplicitwrittenconsentofCohereEnergySolutionsB.V.Additionalinformationisavailableuponrequest.

MaxemisaregisteredtrademarkofCohereEnergySolutionsB.V.

S M A R T C H A R G I N G C O N T R O L L E RC H A R G E S M A R T E R

©2018COHEREENERGYSOLUTIONSB.V.

Product symbols statements

Installandusethisproductonlyaftercarefulreadingofthemanual.

Thisproductisdoubleinsulated.

Indooruseonly.

Productcontainselectronics.Donotthrowitinthehouseholdwaste.

ThisproductisdesignedforovervoltagecategoryIII.

This product meets all the requirements set by the EU for

productsafety.

English

4

Index

What is Maxem? 29

Productspecifications 30

What do I need for the installation? 32

Installation steps

01 - Mounting of Maxem 34

02 - Connecting current transformers

Option2.1-Connecting current transformers on the grid connection 36

Option2.2-Connecting current transformers on the solar panels 36

03-ConnectingMIDkWh-meters 38

04 - Connecting charging station

Option4.1-ConnectingTesla Wall Connector 40

Option4.2-ConnectingKEBAcharging station 42

Option4.3-ConnectingICU charging station 44

05 - Commissioning by installer 45

ECDeclarationofConformity 70

5

ENWhat is Maxem?

From the meter cabinet, Maxem measures the energy use in the house and the energy

generation of solar panels. Based on this information, itmanages the charging station,

batteryorheatpumpsmartly.Thus, ithelpstheusertomakeeasierandcheaperuseof

sustainableenergy.

Maxem intelligently manages the charging

speed based on home energy use and solar

production, preventing over current on the

grid connection.

Charging station

Today you can monitor the energy use of

your heat pump. In the near future Maxem

manages the power of your heat pump or

e-boiler in order to store solar energy in hot

water.

Heat pump or e-boiler

Maxem optimizes power consumption on

the main grid connection to prevent over

current. This makes it unnecessary to get an

expensive grid upgrade.

Grid

Maxem measures the energy production of

your solar panels. Soon available: let

Maxem manage your charger on the basis

of solar production. This way you use 100%

of your own solar energy.

Solar panels

Battery

Future vision: through intelligent

measuring and management Maxem

makes sure that all solar power is stored in

the home battery. This way you use all your

solar energy locally.

6

01-Voorbereidingenvooraf

Content of the box

MIDkWh-meterextension

Maxem including mounting plate 6x split core current transformer

RS485 cable

NetworkcablePower cable

4x Screws 3x20 1x Phoenix connector

Productspecifications

2x Tie-wrap

SETOK

1 2 3

MIDkWh-meter

DefinitionsLEDindicators

On/off

Internet

Dataconnection

Current measurement

Charging station

1x Phoenix connector

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EN

P1 port

Ethernet port to charging station

Ethernet port to Internet Router

230Vpowersupply

Current transformers solar panels

Multi functional USB port

Current transformers grid connection

RS485 port 1

RS485 port 2

Definitionsinput/outputports

Specifications

Dimensions 184mm(L)x167mm(W)x55mm(H)

Weight 700g

Working temperature 10°C to 35°C

Storage temperature 0°C to 60°C

Maximal humidity 80%

Protection class II (double insulated)

Seal IP20

Working height 0 to 2,000 m

EMC EN61326-1(2013),EN61000-3-2,61000-3-3

Safety EN61010-1(2010),EN61010-2-30(2010)

Immunity EN61326-1(2013)

Overvoltage category 300V/CATIII

Input power 110-240V.50/60Hz.Maximum2,75W

Power coils Up to 50A

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UNLESS OTHERWISE SPECIFIED:DIMENSIONS ARE IN MILLIMETERSSURFACE FINISH:

DEBURR AND BREAK SHARP

Maxem5-R4

8

• Acorrectcircuitbreakerorearthleakagecircuitbreakerwithproperfusingvalue. See

p.33todeterminefusing.

• Schukosocketsfor230VpowersupplyMaxem(ifnotalreadyavailable).

• UTP(CAT5orCAT6)datacableforconnectingchargingstationtoMaxem.

• RJ45(8P8C)connectorsforethernetconnectedchargingstations(ICU/Keba).

• CableendsleevesforUTPcores(onlyforTeslaWallConnector).

• Internetconnectedsmartphone,tabletorcomputer.

Required materials

01-VoorbereidingenvoorafWhat do I need for the installation?

Wired Internet access

With Maxem compatible charging stations

Compatibility may change over time. See the website www.maxem.io for the current overview of compatible charging stations.

Tesla Wall Connector ICUEVeminiKEBAP20/P30 ICUEVe

The followingnetwork settings are required.Don’t be alarmedby the jargon, these are

normalnetworksettings.Incorporatenetworkssomeoptionscanbeblocked:

• MaxemhastoreceiveanIPaddressviaDHCP.

• This IP address may not be in the following range: 10.50.0.0/16, 10.51.0.0/16, and

192.168.25.1/24.

• Incaseofafirewalloutgoingtraffichastobeallowedonthefollowingports:80,443,

1194t/m1200and9090.

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Fusing charging station

Maxemisacontrolsystemthatregulatestheloadofthechargingstation.Maxemmakes

surethatthereislessloadonthechargingstationwhenthereismoreloadonthehouse.

This reduces thediversity factor. The charging station can thereforebe fused toa value

higherthannormal,butnothigherthanthethresholdvalueofthemaingridconnection.

FormoreinformationonthissubjectinrelationtotheNEN1010,seetheMaxemwebsite.

Power supply Charging station capacity Maximal fusing, charging station

3-phase 25A 3-phase 32A 3-phase 25A





Current transformers of kWh-meters

Maxem is standard supplied with current transformers with which the main grid connection

andsolarproductioncanbemeasured.Formoreaccuratemeasurementsitisalsopossible

to use MID certified kWh-meters. The kWh-meters Maxem works with can be ordered

separately.

There are situations when a kWh-meter is always required:

• Measurement of a Tesla Wall Connector

• Measurement of a heat pump

10

01-Voorbereidingenvooraf01 - Mounting of Maxem

MountMaxemonaclean,moisture-freewall.Use thesuppliedmountingplateand

screwsforthis.TakeintoaccountsufficientspacearoundtheMaxem.

Wiring at the bottom

70mm

20mm

20mm20mm

A.

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Connect Maxem with the supplied network cable to the modem or router connected

totheInternet.

Maxemhas tobeconnected toa230Vwall socket.Prepare thisalreadybutdonot

powerMaxemyet.

C.

B.

230Vconnection

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Maxem5-R4

Ethernet port to Internet Router

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Maxem5-R4

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02 - Connecting current transformers

Option2.2-ConnectingCT’sonsolarpanels

Click the supplied current transformer around the L1 phase wire of the main power

supply, after the main circuit breaker/main switch, such that the entire grid connection

ismeasured(seefig.1)

Connectthecurrenttransformercabletoport1ofMaxem.

Turnoffthemaincircuitbreakerofswitchofthefusebox.Andopenthefusebox.

RepeatthesestepsforL2andL3incaseofa3-phasegridconnection.Phase2is

connectedonport2.Phase3isconnectedonport3.

Makesurethecurrenttransformersareconnectedintherightdirection.

A.

B.

D.

E.

Option2.1-ConnectingCT’sonthegridconnection

Click the supplied current transformer around the L1 wire of the circuit breaker

tothesolarinverter(seefig.2).Nootherloadsmaybeconnectedtothiscircuit

breaker.

Turnoffthemainpowersupplyterminalofthefusebox.A.

B.

C.

Connect the current transformer to the corresponding circuit breaker in the fuse

box.Nootherloadsmaybeconnectedtothiscircuitbreaker.

Makesurethecurrenttransformersareconnectedintherightdirection.D.

B.

Connect the current transformer to port 4 ofMaxem. Repeat these steps for

L2andL3; connectL2 toport5, connectL3 toport6.Makesureeachcurrent

transformerofeachphaseisconnectedtotheassociatedportonMaxem.

C.

Connect the current transformer to the corresponding port on Maxem. For

instance;.port6,whensolarisconnectedtoL3onthegridconnection.Orport

5forL2.

C.

For 3-phase solar energy (see fig. 2)

For 1-phase solar energy on a sub-panel (see fig. 3)

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Home

Grid / Solar

Home

Grid / Solar

Home

Grid / Solar

Home

Grid / Solar

Home

Grid / Solar

Home

Grid / SolarHome

Grid / Solar

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L1 L2 L3

Grid / Solar

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Grid / Solar

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Maxem5-R4

L1 L2 L3

1.Main circuit breaker/

main switch

Gridconnectionmeter

Circuit breakers fuse box

3.Circuit breaker solar inverter on sub-panel

2.Circuit breaker solar

inverter

Connection current transformers grid connection Connection current transformers solar panels

14

03-ConnectingMIDkWh-meter

MaxemcanmeasuredifferentelementsthroughanexternalMIDcertifiedkWh-meter. In

orderfortheautoconfigurationtofunctionproperly,thekWh-metermustbesettotheright

address.Thisisdoneasfollows:

Node/device Address

Solar #1 001

Solar #2 011

Charging station #1 002

Charging station #2 012

Heat pump #1 004

Heat pump #2 014

Locationofthe‘addressing’functioninthemenu

SETOK

1 2 3

Addressing multiple elements

Numberofdevices

Devicetype

Standard addressing kWh-meter

Node/device Address

Gridconnection 100

Solar 001

Charging station 002

Heat pump 004

Addressing

ConfiguringanMIDkWh-meter

Holdthebuttonfor2sec.toenterthemenu,ortogoupinthemenu.

Scrolldownthroughmenuoradjustsettingvalue.

Presstogetintoamenuitemoracceptanadjustment.

Presstoadjustasetting.

NavigationthroughthemenuoftheABBB23/B24kWh-meter

If you see this icon in the display of the kWh-meter, there is an active dataconnectionwithMaxem.

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PlacethekWh-meteronaDIN-railinthefusebox.

ConnectinganMIDkWh-meter

ConnectthegreenPhoenixconnectortoportRS1onMaxem.

Connect behind the main circuit breaker so that it measures the output of the

completegridconnection.NoticethatthiskWh-meterisfedfromthetopend.

SettheaddressofthekWh-metertocorrespondingnode.

SETOK

1 2 3

Connection RS485 cable on kWh-meter

A.

B.

D.

E.

RS1 port for MIDkWh-meter

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Maxem5-R4

Connection RS485 cable on Phoenix connector

C B A

Connect a 1-phase solar installation which supplies L3 of the main grid connection also to L3 of the kWh-meter. The same goes for L2.

Connect the RS485 cable to the kWh-

meter and the supplied green Phoenix

connector as follows:

kWh-

meter

Wire

color

Phoenix-

connector

A Brown 1

B White 2

C Green 3

C.

213

16

04 - Connecting the charging station

Option4.1-ConnectingaTeslaWallConnector

Install a circuit breaker and/or earth leakage circuit breaker for each

chargingstationatthemaximalpoweravailable.Seep.33.

Follow the installation instructions of the charging station. These

instructions can be found in the installation manual of the charging

station.

A.

B.

Set the Wall Connector to Slave mode

by placing the rotary switch in F

position.

On the Maxem side connect the

supplied green Phoenix connector

to the data cable. 2wires need to be

connected:

• Connect wire 1 (orange-white) to

port2.

• Connectwire2(orange)toport1.

Connect the green Phoenix connector

toportRS2ofMaxem.

ConnectthedatacabletotheINportof

the clamp block of the Wall Connector:

• Connect wire 1 (orange-white) to

D+

• Connectwire2(oranje)toD-

Place a suitable UTP (CAT5 or CAT6) of theWall Connector toMaxem. (To prevent

electromagnetic interference at the RS485 connection, it is recommended to use FTP

CAT6cableatdistancemorethan25m.Max:50m).

C.

F.

G.

E.

D.

Draaischakelaar

F

D+ D- D+ D-In Uit

RS2 poort voor laadstation

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Maxem5-R4

1 2 3

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TopLEDisgreen;theWallConnectorisreadytocharge.

Correct LED

indication

See installation manual Tesla Wall Connector for more information.

Top LED is green, center LED blinks red 4x; theWall

Connector is set to Slave, but is not communicating

withMaxem..

Incorrect LED

indication

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Maxem5-R4

Option4.2-ConnectingaKEBAchargingstation

Install a circuit breaker and/or earth leakage circuit breaker at the

maximalpoweravailable. Seep.33.



station.

Place a suitable UTP (CAT5 or CAT6) cable from the charging station to Maxem and

clenchRJ45connectorsonbothsides.

Connect the UTP cable to the Ethernet

port of the charging station and the

ETHportofMaxem.

It is advisable to test the network cable with the help of a cable tester.

DSW1-Power(paragraphabove)DSW2-Addressing(paragraphbelow)

DataactivityonETHportMaxem

DataactivityonETHportKebaP20orP30

UTP cable with RJ45 connectors

A.

B.

C.

D.

ETH port for charging station

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Maxem5-R4

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PutDSW1.3ONtoactivatesmartcharging.

SettheDIPswitchesofDSW1onthemaximalavailablepower.Andleavetherestofthe

DIPswitchesonOFF.

E.

F.

Example 10A

DSW1.6OFF

DSW1.7OFF

DSW1.8OFF

10A

13A

16A

Maximal current strength

20A

25A

32A

SettingsonDSW11 of 3-phase

SeeinstallationmanualKEBAP20/P30formoreinformation

SwitchofftheKebaP20/P30(theDIPswitchsettingsonlybecomeactiveafterareset

ofthechargingstation).

G.

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Option4.3-ConnectinganICUchargingstation

Connect the UTP cable to the Ethernet

port of the charging station and the

ETHportofMaxem.

It is possible to update the charging station firmware. This can be done via ICU Connect, as soon as the charging station is online. ICU Alfen can assist you with this.

It is advisable to test the network cable with the help of a cable tester.

Data activity onETH port ICU

UTP cable with RJ45 connectors

D.

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Maxem5-R4

Install a circuit breaker and/or earth leakage circuit breaker for each

charging station at the maximal power available.Seep.33.



station.

Place a suitable UTP (CAT5 or CAT6) cable from the charging station to Maxem and

clenchRJ45connectorsonbothsides.

A.

B.

C.

DataactivityonETHport Maxem

ETH poort voor laadstation

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Maxem5-R4

21

EN05 - Commissioning by installer

Without proper commissioning Maxem is unable to send a current limiting value to the charging station. This results in OVER CURRENT OF THE GRID CONNECTION. Therefore always make sure this step is successful.

Turnonthechargingstationorrestartitbytakingoffthecurrentfor30sec.and

puttingitbackon.Waitatleast1minuteforthechargingstationtostartup.Thisway

youknowthatthechargingstationhasfullystartedup.

Connectthe230VpowersupplytoMaxem.A.

B.

Maxemhastobeconfiguredonlinebytheinstallerinordertobecommissioned.

For this go to the (mobile) website:

https://install.maxem.io

D.

In case of problems during commissioning, you can contact Maxem support:

+31 20 7708 713

Input: 110 - 240V ~ 0,5A 50/60Hz Max 2,75W

Serial number:

CAT III

Made in The Netherlands.Registration key:

8 719326 026800

MX4-1-H-0000000000

Serial numberRegistration key

Serial number and registration key can be found on the back side of Maxem.

Wait until the first 3 status LED’s onMaxem are green. Thismeans thatMaxem is

connectedtothenetwork,theinternetandthedatacloud.

C.

22

LEDindicatorsonMaxem

LED icon

Icon meaning

LED indication Meaning What to do

On/off

Light is green Maxemisactive. -

Blinks orange Maxemisstartingup. -

Blinks red Maxemisresetting. -

Off Maxemisoff. Checkpowersupply.

Internet

Light is greenInternet connection is present.

-

Light is orangeNetworkconnectionpresent, but no Internet connection.

Check for an active Internet connection on the network cabletoMaxem.Thiscanbedone by connecting a laptop tothiscable.

Light is redNonetworkandnoInternetconnection.

Check Internet cable and/or Internetrouter.

Dataconnection

Light is greenConnection to Maxem server isactive.

-

Light is orangeSomething is wrong with the Maxemcloud.

Call the Maxem support telephonenumber.

Light is red

Something is wrong with the local network and Maxem is unable to connect to the cloud.

Check the requirements for the Internet connection on page 32 (also see FAQ on the Maxemwebsite).

Current measure-ment

Light is green All measurements are ok -

Blinks orange MaxemisnotconfiguredTheconfigurationifnotfinished.Gotohttps://install.maxem.io.

Light is redOne or more found measurementsarenotok.

Check the connection of the current transformers or the connection and configurationofthekWh-meter(s).

Charging station

Light is greenCommunication with chargingstationisok.

-

Blinks orange Maxemisnotconfiguredyet.Theconfigurationifnotfinished.Gotohttps://install.maxem.io.

Light is redNocommunicationwithchargingstation.

Check the data cable to the chargingstation.Checkwhether the charging station requiresasoftwareupdate.

23

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25

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26

We,

CohereEnergySolutionsB.V.WillemdeZwijgerlaan3501055RDAmsterdam,Nederland

followingtheprovisionofthefollowingECDirectives:• 2006/95/ECTheLowVoltageDirective• 2004/108/EECTheElectromagneticCompatibilityDirective

Herebydeclarethattheproduct:MaxemEnergyManager4.0isinconformitywiththe applicable requirements of the following documents:

Emissions• EN61326-1(2013)• EN61000-3-2(2006)+A1(2009)+A2(2009)• EN61000-3-3(2008)

Immunity• EN61326-1(2013)

Safety• EN61010-1(2010),• EN61010-2-030(2010)• EN61010-2-023

Signee Date Place Signature

Jan Willem HeinenCEO

1 August 2016 Amsterdam

TroubleshootingECDeclarationofConformity

27

DE

Maxem is a product of Cohere Energy SolutionsWillemdeZwijgerlaan350|1055RD|Amsterdam|TheNetherlands

[email protected]|www.maxem.io

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