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Installation

5.7 Connections of the PV power system

5.7.1 Announcements

5.7.2 PV array connection types

Ensure that the DC side is not charged before installation and maintenance.

But after DC side discharge for a period of time, the capacitor is still charged,

so need to wait for 5 minutes to ensure that the capacitors is discharged.

Before the electrical connection, make sure to use opaque material to cover

the PV battery or disconnected the breaker of DC side. Exposure to the sun, PV

array will produce a dangerous voltage.

PV array connection types: There are 2 independent MPP trackers in inverter. You can choose common

-string input connection and multi-strings input connection. We recommend that choose multi-strings

to harvest max. PV power.

Please select excellent function and reliable quality PV arrays. Open-circuit voltage of PV arrays should

be<Max. input DC input voltage. Operating voltage should be conformed to MPPT voltage range.

Table 2 DC Voltage Limitation

Model

MPPT voltage range

Max. DC voltage

SolarRiver

3400TL-D

SolarRiver

4000TL-D

SolarRiver

4500TL-D

SolarRiver

5000TL-D

SolarRiver

5200TL-D

160~500V 160~500V

550 Vdc

165~500V 175~500V175~500V

Figure 10 Multi-string input connection (Left) and common-string input connection (Right)]

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