PowerWalker Solar Inverter 10k SVN 3/3 handleiding

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Handleiding

6. PV Module (DC) Connection

CAUTION: Before connecting to PV modules, please install separately a DC circuit

breaker between inverter and PV modules.

NOTE1: Please use 1000VDC/20A circuit breaker.

NOTE2: The overvoltage category of the PV input is II.

Please follow below steps to implement PV module connection:

Step 1: Check the input voltage of PV array modules. For 10KW model, the acceptable

input voltage of the inverter is 350VDC - 900VDC. This system is only applied with two

strings of PV array. Please make sure that the maximum current load of each PV input

connector is 18.6A.

Step 2: Disconnect the circuit breaker and switch off the DC switch.

Step 3: Assemble provided PV connectors with PV modules by the following below steps.

Components for PV connectors and Tools:

Female connector housing

Female terminal

Male connector housing

Male terminal

CAUTION:

Exceeding the maximum input voltage can destroy the unit!! Check the

system before wire connection.

WARNING: Because this inverter is non-isolated, only two types of PV modules are

acceptable: single crystalline and poly crystalline with class A-rated.

To avoid any malfunction, do not connect any PV modules with possibility of leakage

current to the inverter. For example, grounded PV modules will cause leakage current to

the inverter.

CAUTION: It’s requested to have PV junction box with surge protection. Otherwise, it

will cause inverter damage when lightning occurs on PV modules.

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