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Relay Trigger condition Description

Consumer load

control

The load control mode

has been set via the iSo-

larCloud App.

The relay is activated once the conditions

of the control mode are satisfied. See

"8.10.10 Load Control".

Earth fault alarm The earth fault occurs.

Once the inverter receives the earth fault

signal, the relay closes the contact. The

relay remains triggered until the fault is re-

moved. See "8.10.13 Grounding

Detection".

Diesel generator

start/stop control.

1. Force the diesel gener-

ator to start/stop

2. Start/stop the diesel

generator based on bat-

tery SOC

• A DC signal of max 30V/3A or an AC contactor must be installed between the in-

verter and appliances. It is forbidden to connect the load directly to the DO port.

• The current of the DO dry contact should not be larger than 3 A.

• The DO node is not controlled once the inverter is powered off. Connect the AC

contactor by the manual switch, so as to control the loads.

Procedure

Plug the wires into the DO (COM1, NO1)、DO (COM2, NO2) terminal of the COM2 terminal.

User Manual 6 Electrical Connection

Sungrow SH10T User Manual

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