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10-527-1 MN3024DIY REV A
MN3024DIY
User Manual
Important safety instructions
Please keep this manual for future use.
The MNS Hybrid Inverter System is an all-in-one solution for 120 volt AC production, battery charging
from the AC input and a built-in MPPT PV Charge Controller
This manual contains all safety, installation and operating instructions for the MNS Hybrid Inverter.
Please read all instructions and precautions in the manual carefully before installation and use.
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High voltages exist inside the MNS Hybrid Inverter. To avoid personal injury, users shall not disassemble the
MNS Hybrid Inverter themselves. Contact our Midnite Solar technical support department if the unit is a need for repair.
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Do not install the MNS Hybrid Inverter in harsh environments such as moist, oily, flammable, explosive, or heavily
dusty areas. The unit is not rain-proof, do not install outside unless under cover where it will not be exposed to rain.
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The mains input and AC output are high AC voltage, do not touch the wiring terminals.
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The housing of the MNS Hybrid Inverter is hot when it is operating especially under full load.
The exposed heatsink may be very hot, do not touch.
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Do not open the terminal protective cover when the MNS Hybrid Inverter is operating.
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It is necessary to install a proper external circuit breaker on the 120V AC in and PV in connections.
The unit has an internal circuit breaker on the 120V AC in but an external circuit breaker is required in addition.
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Always turn off all combiners and AC circuit breakers of the PV array, AC mains & battery before installing
and/or adjusting the wiring of the MNS Hybrid Inverter.
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After installation, check that all wire connections are tight to avoid terminal heating due to poor and
a loose connection, which is dangerous and may cause fires.
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The MNS Hybrid Inverter is for off-grid only. DO NOT Connect the AC OUTPUT to any source of AC
including GRID and GENERATOR.