AEG NM 1600 Installation Manual download pdf (Page 18)

When unmated the MC4 connectors are not IP54. The intrusion of moisture may

occur in the following situations:

1. The inverter runs in Master/Slave operation and only one or two PV in-

puts are in use. In this case, the other inputs are not connected to PV

and they are therefore open to intrusion.

2. Not all PV inputs are connected.

3. PV connectors are not fitted; for example in case of disconnection of

parts of a PV plant over a longer period of time.

In situations where the PV connectors are not fitted, a seal cap must be mounted

(included in the scope of the delivery). All inverters with MC4 connections are de-

livered with seal caps on inputs 2 and 3. During installation, the seal caps of those

inputs that are to be used are discarded.

Note:

The inverter is protected against reversed polarity but it will not generate power until the po-

larity is corrected. To achieve optimum production, the open circuit voltage (STC) of the PV

modules must be lower than the max. input voltage of the inverter (see the specifications),

multiplied with a factor of 1.13. U

, STC x 1.13 ≤ U

MAX

, inv

3.7.

Auxiliary Input/Output

Note:

When choosing the installation place, ensure that all labels are visible at all times.

For details refer to the section

Specifications

The inverter has the following auxiliary input/output:

• 2 x RJ45 for RS485

• 2 x RJ45 for Ethernet

• 1 x 8 pole terminal block for RS485

• 1 x 10 pole terminal block for

- PT1000 temperature sensor input x 3

- Irradiation sensor input

- Energy meter (S0) input

• 1 x 2 pole terminal block for relay outputs

Refer to the specifications for an overview of the communication board and to the inverter user

manual for details regarding auxiliary input configuration via the display.

3.8.

Autotest Procedure - Italy Only

An automatic test of the inverter can be initialised by activating the Inverter Autotest Software

in the display. On the display find [Setup → Setup details → Autotest] and press OK. The autot-

est of the inverter will now start.

The inverter autotest manual can be obtained from the inverter manufacturer.

3. Installation

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AEG NM 1600 Installation Manual Page 18

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