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APsystems Residential Setup
Apsystems Microinverter System Explained
With the APsytems setup you only need one microinverter for two panels, reducing the cost of the system.
The APsystems DS3 microinverters pairs with the APsystems ECU-R communications gateway.
Use the DS3 datasheet and your local code grid specifications to determine the maximum amount of microinverters for each branch and what circuit breakers can be used.
The three different types of APsystems DS3 microinverters:
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DS3-S: PV modules up to 400W+, 640VA output
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DS3-L: PV modules up to 480W+, 748VA output
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DS3: PV modules up to 550W+, 880VA output
(The + means PV modules with higher wattage will not negatively impact the inverter)
Designed for high power modules with 20A inputs. It has reactive power control and safety protection relay is integrated.
The APsystems bus trunk cable connects the DS3 microinverters together. Order one trunk cable per microinverter.
Use the Apsystems DC connect caps to cap off any unused
The APsystems ECU-R gateway
The DS3 microinverters communicate with the ECU wirelessly.
ECU-R Installation and User Manual
Installing Apsystems Microinverters:
This video goes over the general installation of the APsystems microinverters and ECU gateway for a residential install.
