Greetings from warm oo warm and sunny Miami Florida I hope e

Greetings from warm (oo warm) and sunny Miami Florida I hope everyone remembered that I will be gone today and Wednesday But as promised here is something for to do and learn from As it turns out my wife and would like to insulate our garage and turn it into a recreation room Now unfortunately here in Mssissippi things do get pretty hot during the summer so we will need to install an air-conditioner to keep that room cool After doing a bit of shoppng around we decided that this mght do the tnck http www lg com/us/air condtionerSAg P14 5WnRSM portable air conditioner Now al the specifications for a commerica ar-conditioner are provided assuming the outside temperature is 95F and the de needs be 8Df 1 Go the the product page and get a list of the specifications for the ar condeioner Note some of the tems are in Sl\'unts and others in English unit 2 Assuming it is 95F outside and the product can work as intended how much Kw of heat wil be removed from the room? 3 What is the Coeficent of Performance 4 If the outside is only 90F how cold could the room get for the same cop? s 11the room requrres of coolng enesgy that the AC unt can powde at aoF nside and ssF eutside how hot do be

Solution

2.

14000 BTU/hr = 14000/60 Btu/min = 4.1 kW

3.

Power input = 1.38 kW

COP = 4.1 / 1.38 = 2.97

4.

(80+460) / (95-80) = (T+460) / (90-T)

T = 75.1 F