Sunny Boy connections were made by Dave. I recommend either a proffesional installer or certified electition perform this step. We only had one positive and one negative coming in from the combiner box. But if we were going to have only 3 stings of 7 or less panel the Sunny Boy could have accomodated it this way. The power out on the Sunny Boy has two wires coming from the L1 and L2 to the A/C disconnect box, then to a 30 amp breaker in the breaker panel. The neutral and ground go through the A/C disconnect and into the breaker panel to the grounding/neutral bus bar.
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