Connect two of the black.
Exhaust fan and light on separate switches.
Attach the red and black wires from the fan light unit to the top terminal screws on the switches.
The power source will either.
Connect the two white wires in the switch box together with a wire nut.
How to wire your bathroom so the lights and fan are on separate switches the electrical wiring for separate switching of the bathroom exhaust fan and the light fixture will require identifying.
A single wall switch controls the power to the fan and light together whereas a dual wall switch has two separate switches one for the fan and the other for the light.
Take the 2 wires on the switch that controls the outlet off the switch twist.
Assuming you have 3 wires from the switch box to the fan light location as bill said.
Then this is what you do.
The wiring instructions for your new hunter fan differ slightly based on the type of wall switch and your fan s control system pull chain remote control etc.