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Connection of the alarm relay<br />
!<br />
<strong>Sunways</strong> Solar Inverters are equipped as<br />
standard with an alarm relay with floating<br />
output. The relay is designed as a make<br />
contact and is activated in the case of all<br />
faults reported by the unit (not for Fault 6).<br />
This guarantees quick and reliable indication<br />
of possible faults in the PV system.<br />
In the case of PV systems with several<br />
<strong>solar</strong> <strong>inverters</strong>,the individual relays can<br />
be parallel-connected and connected via<br />
a joint signal light.<br />
· Connection<br />
Remove the housing of the <strong>solar</strong> inverter<br />
before connecting the status signal relay.<br />
Note chapter 2.1 «Safety information»!<br />
The necessary terminal block with the connections<br />
«S-» and «S+» is located on the<br />
board at the bottom right (X402). Note the<br />
following terminal configuration:<br />
Parallel connection of the alarm relays of<br />
several <strong>solar</strong> <strong>inverters</strong><br />
Terminal configuration for the alarm relay<br />
INVERTER<br />
(1)<br />
INVERTER<br />
(2)<br />
INVERTER<br />
(n)<br />
S– S – S+ S +<br />
SIGNAL LIGHT<br />
L1 N
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