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<br /> A. Fl�st dN�rtnin�Velues for fortn boxea, l •3,aa fotlonn:
<br /> 1:.:Suucturol.loss,value(1):May be.takan.direqy Irom th,� Propoted UA box on pape 1.
<br /> 2. Alr I�akepe loss,.Vslue(2):Thls is the volume (Ft3)of tha condili�ned space in the dwelliny.
<br /> 3. Duq Loss,valus(3): Use the value Irom BTWHr,Box(�).
<br /> 5. pT dquals the Outside Deatqn Temperature subtncted from 70F.
<br /> B. N then Is�foresd alr heatinp system,dat�rmin�th�Duct Loss Fktor uslnp T�bt�1:
<br /> 1. Determine the Meet loss faetor(heatinp),by takinp the valus Irom BTWHr., Box p), end dlvldinp
<br /> M by Ihe conditioned tloor area. (Inctude basements, aecond atorles and mezzanlnes.)
<br /> 2. Locate Ihe second column in Table 1, and,deperw'iny�on the number aize relative to 35, bcate Ihe
<br /> appropriate bolded numbers to the rfqht under Me�: �o�s Factoro. Be suro to use the row
<br /> corcespondinq to the ducl buitdinq Ixation In tha lirst column.
<br /> 3. Choose the Faclor under the previousty noted Uutside Desipn Temperature ranpe in A4 above.
<br /> Insert this value into the'duct facto�box in the lorm.Comptete the calculatbns as Indicated.
<br /> ^ >_ Values , .� �T i�`�,;:; A H Faclors ; BTUIHr ��:',.`
<br /> ��� Heat losa th
<br /> StniCturel bss ` , (�I, �`J� (BTU/HdF7 K 53 ' �7 �e�
<br /> Airleakape bss (2) � (cf7 (R3) X 53 X .35 X 0.018 � �D O� (b�
<br /> X o.�o ���
<br /> Duetbsses (3) tkj��e� (BTU/HrJ ' �O �7
<br /> . . ... .
<br /> a P�rtnit N . Desipn Heat Load ��
<br /> N�m� �Ar ✓� '` (a+b+c) ( )
<br /> ,* strNt .,� e�._• i�� � BTUMr.
<br /> LotA z'
<br /> ? �Y � Meximum Heatiny �j �j
<br /> ; County � Syatem Output �
<br /> Ae PhonsA ' Des n Heat Load X 1.5J (BTUMr.)
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<br /> Model [Jo.
<br /> outpot B'tv1� . �
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<br /> Efficiency AFUE E �
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