Computer Room Air Conditioner Sizing

Computer room air conditioners with refrigeration compressors the true cracs are available in multi step designs.

Computer room air conditioner sizing. Instead of subtracting 1 0 instead subtract zero to get the appropriate ac size for hot and arid climates. 1 500 x 30 45 000. When we talk about air conditioning a ton is the measurement of a units ability to cool. Floor area of room.

Multiply the value in column a by the most appropriate multiplying factor in column b and write your answer in the cooling load column. Window air conditioners typically have a cooling capacity ranging from 5 000 to 12 500 british thermal units btu hr. A 20 ton four step unit may activate 5 tons of cooling before enabling the next step as heat increases to 10 15 and 20 tons of load. Calculate size to calculate the size simply multiply the length times the width of the room or area to be cooled.

Room and air conditioner sizing guide once you have the size of the area that you are wanting to install the air conditioner in follow the guide below to determine your approximate kw range. The amount of cooling required depends on the area of the room. 3 75 0 0 3 75 so you d need a 3 5 or a 4 ton sized central air conditioning unit in hot and arid climates southern california arizona etc. Don t worry about factoring height into this equation it ll be a separate measurement on our air conditioner btu calculator.

The watt loads of each of the factors described earlier in this summary can be summed to determine the total thermal load. To choose what size air conditioner is for right for you you need to first calculate size of the home spaces served by the air conditioner in square feet. Room area btu length m x width m x 337. To calculate the area in square metres.

If the room is a perfectly square 20 feet by 20 feet the total area would be 400 square feet. If as is quite common your server room has no windows you can ignore this part of the calculation. If you have a one ton ac unit it means it has the ability to cool 12 000 btus an hour. Write the measured value into the appropriate line of column a step four.

2 6kw range suitable for rooms approx 10 25 sq meters. For instance if the room is a rectangular 10 feet by 20 feet the area would be 200 square feet. 45 000 12 000 3 75. As a rule of thumb an air conditioner needs 20 btu for each square foot of.

Residential central air conditioners come in a range of sizes from 1 5 ton to 5 ton models. Sizing air conditioning once the cooling requirements are determined it is possible to size an air conditioning system.