32 33
EN
• Acorrectcircuitbreakerorearthleakagecircuitbreakerwithproperfusingvalue. See
p.33todeterminefusing.
• Schukosocketsfor230VpowersupplyMaxem(ifnotalreadyavailable).
• UTP(CAT5orCAT6)datacableforconnectingchargingstationtoMaxem.
• RJ45(8P8C)connectorsforethernetconnectedchargingstations(ICU/Keba).
• CableendsleevesforUTPcores(onlyforTeslaWallConnector).
• Internetconnectedsmartphone,tabletorcomputer.
Required materials
01 - Voorbereidingen vooraf
What 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 ICU EVe miniKEBA P20/P30 ICU EVe
The following network settings are required.Don’t bealarmedby thejargon, 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.
• Incaseofarewalloutgoingtrachastobeallowedonthefollowingports:80,443,
1194t/m1200and9090.
Fusingchargingstation
Maxemisacontrolsystemthatregulatestheloadofthechargingstation.Maxemmakes
surethatthereislessloadonthechargingstationwhenthereismoreloadonthehouse.
This reduces the diversityfactor.Thechargingstation can thereforebe fused toavalue
higherthannormal,butnothigherthanthethresholdvalueofthemaingridconnection.
FormoreinformationonthissubjectinrelationtotheNEN1010,seetheMaxemwebsite.
Power supply Charging station capacity Maximal fusing, charging station
3-phase 25A 3-phase 32A 3-phase 25A
3-phase 25A 3-phase 16A 3-phase 16A
3-phase 35A 3-phase 32A 3-phase 32A
1-phase 25A 1-phase 32A 1-phase 25A
1-phase 40A 1-phase 32A 1-phase 32A
CurrenttransformersofkWh-meters
Maxem is standard supplied with current transformers with which the main grid connection
andsolarproductioncanbemeasured.Formoreaccuratemeasurementsitisalsopossible
to use MID certied kWh-meters. The kWh-meters Maxem works with can be ordered
separately.
TherearesituationswhenakWh-meterisalwaysrequired:
• Measurement of a Tesla Wall Connector
• Measurement of a heat pump