Install portable dishwasher

I have a portable Caloric dishwasher (the kind that rolls over to the sink and is connected to the faucet) which can also be built in. I am now ready to remove an old built in dishwasher and replace it with mine. Do I need any special hoses to do this or can I just take out the old dishwasher and put mine in its place? What happens with the existing hoses that get connected to the faucet? Should the hoses in the back of the old dishwasher readily connect to the dishwasher Ill be installing? Thank you for any help you can give me!