Connection To The Power Grid - Porsche Home Energy Manager Manuel D'utilisation

Connection to the power grid

Installing circuit breakers
Information
Line protection fuses are not included in the scope of
supply and must be installed by a qualified
electrician.
The energy manager does not have any internal
fuses. The voltage measurement, external power
supply and relay inputs must therefore be fitted with
suitable backup fuses.
– Use of the energy manager requires overcurrent
protection for all supply leads. Make sure you
select fuses with a sensitive trigger
characteristic.
– Fuses are selected based on what components
are available in the country of use.
– Use components with the lowest trip current and
shortest trip time.
Preparing the distribution cabinet
For information on the required space for the energy
manager:
f Refer to chapter "Technical Data" on page 38.
e To install the energy manager inside the
distribution cabinet, allow a horizontal pitch (HP)
of 11.5 on a DIN rail.
e Install the mains power supply unit of the energy
manager at a minimum distance of 0.5 HP from
its housing.
e Protect all electrical interfaces from direct/
indirect contact.
Fig. 13: Preparing the distribution cabinet
A Horizontal pitch 11.5
B Horizontal pitch 9
C Horizontal pitch 0.5
D Horizontal pitch 2
Installation in the distribution cabinet
b All cables are connected to the energy manager.
b The DIN rail bracket on the housing of the energy
manager has been released.
1. Position the DIN rail bracket at an angle against
the DIN rail in the distribution cabinet.
2. Tilt the housing of the energy manager and lay
evenly on the DIN rail.
3. Fasten the DIN rail bracket to the housing of the
energy manager.
Installation and Connection
Fig. 14: Installation in the distribution cabinet
4. Check that the energy manager is securely
engaged on the DIN rail.
Installing the current sensors
Sensor with incorrect
NOTICE
direction of measurement
Installing the sensor with the incorrect direction of
measurement can lead to incorrect results and
malfunctions.
e Make sure the sensor has the correct direction of
measurement (Fig. 15, white arrow).
Install the current sensors for measuring the total
current of the business premises/household in the
relevant main phases downstream of the main fuse.
The energy flows must not yet have been divided into
further sub-circuits.
f Refer to chapter "Overview" on page 24.
e Adhere to the maximum permitted cable length
of 3.0 m for each current sensor.
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