Room Air Conditioners

To make sure you choose the right size unit, use IhIs “COOLING LOAD GUIDE -

SQUARE FEET

METHOD It IS a quick, easy means of computing capacity

For exiremes III exposure. shadtng. lnsulallon and bwldtng consln~ct~on AHAM Cooling Load Esllmale Form RAC~I must be used

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COOLINGCAPACITYREQUIRED--BTU/HR

INSTRUCTIONS:

1.Determine the area to be cooled in sauare feel and locate thal point on the left side of chart

2.Move honzonlally across lo the center line of Band A B or C according to the condillon of the ceiling in the area to be cooled

Band A-Occupied Space Above Celling

Band B-lnsulaled Celling Under Alhc

Bmnd C-Non-Insulated Celling Unaer Attic

3.From center of band move wthln the band to left for more northerly exposure or rlght for more westerly exposure

4.From lhls point, read down lo bottom of chart to determlne required Btulhr output Wrlle Ihe Bluihr figure I” the space Indicated below

5.- Btuihr (from number 4 above)

6.Locale your geographic area on unset map and multiply factor shown by flqure in number 5

7.If room air condltloner IS lnlended prlmarlly for night- time cool~no sublracl 30% (from flaure I” number 6)

6.Subtract 36 Btu/hr from figure In-number 7 (or 6) for each linear fool of wall separallng the area lo be cooled

from another cooled room

9.--~ If more than two people occupy area. add 600 Btufhr per person (to figure I” number 8). If orlly one person. subtract 600 Btuihr

10.~ Add 4000 Bluihr (lo figure in number 9) 11 area to be

cooled Includes kitchen

For best results, a room condltlonlng unit or units with a cooling capacity rating close to that estimated above should be selected

A smaller capacity un11 operahng continuously ~111 contnbule more to comfort than a larger capacity unit operating Intermit- lently

AHAiL

Room Air Conditioner

MAP FACTORS

Whirlpool CAW21D2A1 manual Room Air Conditioners, Cooling Load Guide-Squarefeet Method