Because of the high power air conditioning, however, it is necessary to determine the capacity of the distribution route in each room. And the overall capacity of electricity in the dwelling unit, grace period, connect the air conditioner refrigerant pipe, if the adjacent room, two air conditioning units for outdoor machine 1 can also be finished in a multi-type units. Without expansion outside its place outside the machine room is not want the air conditioner. To all rooms air conditioned, air conditioning is set from outside the machine, first you must clear the problem of electrical capacity.