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6.4 Connecting the PV Array (DC input)
6.4.1
Conditions for DC Connection
WARNING
WARNING
The solar modules connected to the inverter must conform to the
Class A requirements of the IEC 61730 standard.
Please use the same brand male and female PV connectors.
The MIC TL-X single-phase inverter has only one independent PV input : Notice that the
connectors are in paired (male and female connectors). The connectors for PV arrays and
inverters are VP-D4 connectors;
CAUTION
If the inverter is not equipped with a DC switch but this is mandatory in
the country of installation, install an external DC switch.
The following limit values at the DC input of the inverter must not be
exceeded:
Types
MIC 600-2000TL-X
MIC 2500-3300TL-X
PV max current
13A
13A
Max voltage
500V
550V
6.4.2 Connecting the PV Array (DC input)
DANGER
Danger to life due to lethal voltages!
PV array supplies d.c voltage to inverter when exposed to light,before
connecting the PV array, conver some light screens above PV
arrays,ensure that the DC switch and AC breaker are disconnect from
the inverter. NEVER connect or disconnect the DC connectors under
load.
Make sure the maximum open circuit voltage(Voc) of each PV string
is less than the maximum input voltage of the inverter.
Check the design of the PV plant. The Max. open circuit voltage, which
can occur at solar panels temperature of -10
℃
, must not exceed the
Max. input voltage of the inverter.
WARNING
WARNING
Improper operation during the wiring process can cause fatal injury to
operator or unrecoverable damage to the inverter. Only qualified
personnel can perform the wiring work.
Please don’t connect PV array positive or negative pole to the ground,
it could cause serious damages to the inverter.
Check the connection cables of the PV modules for correct polarity and
make sure that the maximum input voltage of the inverter is not
exceeded.
6.3 Connecting the second protective conductor
In some installation countries, a second protective conductor is required to prevent a
touch current in the event of a malfunction in the original protective conductor.For
installation countries falling within the scope of validity of the IEC standard 62109, you
must install the protective conductor on the AC terminal with a conductor cross-section
of at least 10 mm²Cu.Or Install a second protective conductor on the earth terminal with
the same cross-section as the original protective conductor on the AC terminal. This
prevents touch current if the original protective conductor fails.
