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Active Cooling System
The inverters come with fans which activate as needed to keep the internal
components within preset temperature limits. These fans are located on each side of
the inverter.
DC Combiner Sub Panel
The DC combiner sub panel compartment is where the inverter connections to the PV
source circuits are completed, including the positive, negative, and ground bus bars.
Optional DC circuit breaker subcombiner and subcombiner monitoring are also
located in the DC combiner sub panel if selected.
Figure 2‑5. DC combiner sub panel
DC conductors from the array can enter through the side gland plate or through the
collared chase in the base of the inverter.
DC Sub Panel
This lower middle compartment for the DC sub panel houses the DC line filter, DC
contactor, DC surge protection, and DC voltage sense fusing.
570-1001791-05A
Advanced Energy® AE 500 Inverter
Ground bus bar
DC positive bus bar
Product Overview
2‑7
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Troubleshooting
