6. Preparing the installation
First step is to prepare the physical installation of the EV Base Ultra as described in this chapter.
Installation prerequisites
•Calculate the existing electrical load to find the maximum operating current for the charging
station installation. Note that with the Smappee Overload functionality more charging stations
or the total maximum operating current can be higher than the physical installation allows.
•Obtain all necessary permits from the relevant local authority.
•Refer to local wiring regulations to select the conductor sizes and use only copper or
aluminium conductors.
•Make sure that the installation area of the charging station is adequate for usability and
ventilation purposes.
•Use the correct tools and provide sufficient material resources and protection measures.
•Make sure that there is an Ethernet based internet connection available for each EV Base
Ultra (1 per unit). It is possible to operate the station using only its 4G connection, but this is
not recommended.
Power supply
•The appropriate wire gauge of the supply cable depends on the power rating and distance
between the meter cabinet and the charging station. The voltage drop must not exceed 5%. It
is advisable to have a maximum voltage drop of 3 %.
•The maximum cable lug that can be fitted has a width of 32 mm.
•The power supply trajectory from the circuit breaker panel up to the EV Base Ultra charging
station must be protected against short-circuiting and over-current with B or C circuit breakers
(or otherwise in compliance with local standards and regulations)
•A charging station connector must always be installed on a dedicated power circuit.
•When the power supply and the charging station are part of a TN-S system, the station must
be grounded via the main distributor.
•Route the power supply cables to the position where the charging station will be installed
together with an Ethernet cable for the internet connection.
•Make sure the power supply cables are positioned through the central position of the EV Base
Ultra anchor.
•Make sure that there is at least 30 cm available out of the ground.
•Local regulations may be applicable and can vary depending upon the region or country.
