Pv Connection - Redx RX Series User Manual

5.5 PV Connection

Note: DC BUS LV（56V Aux DC），DC BUS HV (NOT USED)，PV，are three
different terminals.
The RX-7000HY/5000HY is equipped with 3 independent MPPT (maximum power tracking) PV
inputs, each MPPT with a maximum power of 3kW. Make sure the PV input open-circuit voltage
does not exceed 550V. Generally, the open circuit voltage of PV is about 15% higher in winter
(-20℃) than in summer (30℃) .
Earth Fault Alarm
The inverter complies with IEC 62109-2 clause 13.9 for earth fault alarm monitoring.
If an Earth Fault Alarm occurs, the fault "PvIsoFault" will be displaued on the LCD screen, the
red light will be on. and the fault can be found in the history of device fault log. Devices that
are connected to the Internet with Wi-Fi/4G, the alarm information will be shown on the
monitoring website www.redxpower.com, and also will be displayed in the Redx Power app.
1
Positive metal terminal
Negative metal terminal
4
Measuring voltage
Rev 20230601
DC BUS LV（Wind DC Input）, PV Connector Assembly
2
PV-CZM-22100/19100
Ensure that the cable
is properly crimped
Figure 5.5.1 - PV connector
RX - 7000HY/5000HY
3
5
Use the open
spanner to tighten
the lock nut. If the
spanner slips during
tightening, it indicates
that the lock nut is
fully tightened
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Click
Positive connector
Negative connector
PV-MS-HZ
open spanner