Ac coupled question

Hi everyone im new to the forum I have one question about ac coupled.
I have already a system with micro inverters and I want to do a ac coupled for backup power. In every explanation and diagram i see that every body talk about a sub panel for critical load. But what about if I dobt want critical load panel and I want all my house to be power when the grid goes out. Is complete necesary to do a backup of every breaker in my house or i just connect the battery inverter to the grid tie inverters and to the main panel of my house.
I have already a system with micro inverters and I want to do a ac coupled for backup power. In every explanation and diagram i see that every body talk about a sub panel for critical load. But what about if I dobt want critical load panel and I want all my house to be power when the grid goes out. Is complete necesary to do a backup of every breaker in my house or i just connect the battery inverter to the grid tie inverters and to the main panel of my house.
Comments
Second system 1890W 3 × 300W No name brand poly, 3×330 Sunsolar Poly panels, Morningstar TS 60 PWM controller, no name 2000W inverter 400Ah LFP 24V nominal battery with Daly BMS, used for water pumping and day time air conditioning.
5Kw Yanmar clone single cylinder air cooled diesel generator for rare emergency charging and welding.
Second system 1890W 3 × 300W No name brand poly, 3×330 Sunsolar Poly panels, Morningstar TS 60 PWM controller, no name 2000W inverter 400Ah LFP 24V nominal battery with Daly BMS, used for water pumping and day time air conditioning.
5Kw Yanmar clone single cylinder air cooled diesel generator for rare emergency charging and welding.
The battery inverter (an XW+) internal transfer switch 60 amps would blow it's breaker if you exceeded the 60A.
So, you can see an unknowing person could kill the power to the house not to mention kill the batteries.
This is the main reason for a subpanel in suburbia
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