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Connection of current sensor
The current sensor is installed on a top-hat rail in the meter box or the main
distributor.
To this purpose, carry out the following steps:
De-energise the home network and inverters
n
To this purpose, read the chapter "De-energise inverters" in the operating manual
of the inverter.
Mount the current sensor professionally on the top-hat rail of an electrical cabinet
n
or current distributor. Only the sensor approved for the inverter may be used.
Integrate the current sensor into the system depending upon the application
n
(mode) and connect professionally.
Open the inverter cover.
n
Properly lay the cable from the inverter into the electrical cabinet.
n
PIKO inverter
1
Line circuit breaker for inverter
2
Terminal of current sensor
3
(The precise position can be derived from the manual of the inverter)
Line circuit breaker for energy consumers
4
Energy consumers
5
PIKO BA Sensor
6
Line circuit breaker for building
7
Feed-in procurement meter
8
Public grid
9
28
DANGER
RISK OF DEATH DUE TO ELECTRICAL SHOCK AND DISCHARGE!
De-energise the inverter, secure it against being restarted and wait
five minutes so that the capacitors can discharge.
L1.k L1.l L2.k L2.l L3.k L3.l
k
L/P2
l
k
L/P2
l
k
L/P2
l
L1 L2 L3
Fig. 5: Measurement of building consumption
(mode 1)
L1.k L1.l L2.k L2.l L3.k L3.l
k
L/P2
l
k
L/P2
l
k
L/P2
l
L1 L2 L3
Measurement of grid feed-in
(mode 2)
29
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