Connecting The Second Protective Conductor; Connecting The Pv Array - Growatt MIN 2500TL-XH Installation & Operation Manual

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.

6.4 Connecting the PV Array

6.4.1 Conditions for PV Array
The MIN TL-XH/XE single-phase inverter has 2 independent PV input : PV1 & PV2
Notice that the connectors are in paired (male and female connectors). The connectors
for PV arrays and inverters are VP-D4/MC4 connectors;
21
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
Max current PV1
CAUTION
2500-3000 TL-XH/XE
3600-6000 TL-XH/XE
It is suggestiong that connecting eleven PV modules that have an IEC
61730 Class A rating in series as one PV input.
6.4.2 Connecting the PV Array
Danger to life due to lethal voltages!
Before connecting the PV array, ensure that the DC switch and AC
breaker are disconnect from the inverter. NEVER connect or
disconnect the PV 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.
DANGER 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.
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
WARNING WARNING
exceeded.
Connection of PV terminal
Max current PV2
Max voltage
12.5A 12.5A 500V
12.5A 12.5A 550V
22