Connect the cables that resulted in spa. Connect the red, white, and wires that are black the bottom of the GFCI breaker. Then connect the grounding that is green to your ground club.
Connect the cables through the breaker panel. Then attach the black colored and wires that are red the breaker feed lugs along with the breaker. Make certain you connect the white cable to your line bar that is neutral. Then connect the grounding that is green into the ground club.
Make sure to follow your spa directions when wiring the panel.
The 7th action would be to wire the hot spa control interface because of the cables from the tub disconnect that is hot. Merely follow directions given to you personally by the manufacturers..
The next to final action is to wire the spa disconnect towards the breaker panel that is main. Make certain the primary breaker is down and that there is absolutely no power present.