In your case, each room is 4 square meters, each row has 4 rooms, 4*4= 16, cooling load is 200W per square meter, 16*200=3200, the machine is small 1.5P, cooling load is 2 rows * * 3p, air conditioning. Only standard machines can be selected, but the static pressure is insufficient, which can be solved by external equipment. For example, you can choose a 7 1 machine and put a separate fan at the air outlet of the machine. According to the requirements of wind resistance, a fan is equipped to ensure static pressure, and each piano room has an air outlet! I hope I can help you.