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�� �� � _�.� �-l. �' �-- l� `F ��� ����� <br /> 1346.6012 IFGC APPENDIX E,WORKSHEET E-l. <br /> IFGC Appendix E,Worksheet E•1 <br /> Residen6al Combus6on Aa Cakx�a6on Method <br /> ior Fumace.Boiler,andia Waier Neaier in the Same S ce <br /> Step 1: Complete ve�ted camba8on appliace informalian: <br /> Fumacei8ater. ���, .��� ,���, r�.,, <br /> Draft Hood fan ASSisUed Dir$d Verrt Input: Btulhr <br /> tNot len Assi�ted}� &Power Veni <br /> WsterHeaber: �, �At'�� '��,'r�c�s <br /> L�raft Hood Fan AssEsted Dirad Vent InpuC BWIhr <br /> �+tot fan Ass�ted "&Pc>wer Ven(� <br /> Ste�2. Cek.uiate ihe volume o`the�ombustlon App�.ia�ce Space{GAS}conlait�ng combus6on appliances. <br /> Tha CA5 ht�udes aN s connectea Eo one anott�er by code com ianl o enin s. C,4S vdume� � ` �3��� <br /> Step 3: Dete�rtrine ek C�anges per Nacr(ACHj' <br /> Detault ACH value5 have been incorpcuated inlo T�DIe E-1 tot use wlth Mafhod 4b(KAIR Msthod).!F Ute yeat of oonstruction <br /> or ACti Is nai known use rne3trad 4a Slandarti Method. <br /> 5tep 4: Determane Required Vdume for Combustion A�. <br /> 4a StandaM t�ethod �#.a�,�, <br /> Total 8lufhr input of all c�nbustion appiianc�s(DO NOT COUNT DIRECT VENT APPLWJCESy Mput BtuThr <br /> Use Stsndard Metl�od cdumn in Tah1e�-i to find Total Required Valume{TRI� TRV; Rs <br /> If CAS Voiume(hnm SEap 2}(s greafsrttran TRV then rw auidoor openi�gs are needed, _� ��-�" <br /> I(CAS Volume(finm S6ep 2}ia Jasa tlran 7RV then go to STEP 5. <br /> 4b. Known Atr Iriflltralion Rate{KA(R}Method - �-- = a� <br /> d...— <br /> TotelBtulhr input ol all fan•assisted and power vertl8ppliances ?��� �°�',•� <br /> (DO NOT COUNi'DIRECT VENT AP?l1ANGES) input; 8tuthr <br /> Use Fan-Assisted Appf'rances calumn in Ta�e E-1 In flnd ��� 3 <br /> Required Volume Fan Assisted{RVFA� RVFA: ft <br /> Tote!BhNhr inpul of a(I rma•fan-asslsted applia�ces Input: Btwhr <br /> Use Non-Fan-Assisted Apqllanoes cdumn in Tabte E-t m find <br /> Required Volume Non-Fan�ssisled(RVi�FA} RVNFA �''P ft� <br /> 7otal Required Volume(7RL�=RVFA+RVNFA TRV= ���+ �' - �<;;>"��� <br /> tf CAS Vodume tfr�m 5bap 2}1�$rsatsr dwn TRY ihen na ou#darr open'u�gs ere needed. <br /> li CAS Vo�me 2 is iess thea TRV then go to S7EP 3. <br /> Step S: �ta�te the rabo ot avei(eWe ir�enor volurne tothe ta1�require�volume. F,�,_� P <br /> RaGo=CAS Vohar� tram Ste 2�d(vlded by 7FtV{from Step 4a or Step 4b Ratla=' ± 1 ' �°�}� . ���- <br /> Step 8: Cakx�lste Redixiia�Factor(R�, <br /> RF=1 minus ReUo RF=1-r�}=�-_ �,-.;;- ',. <br /> SEap 7: Calaiala sirgle ouldoor opening as if al!comCusl;on air is from oetsitle. ,,�,,��� <br /> Tota�Bh►Jhr input o1 a�Combus�iorf A,pp�ienaes in the same CAS{EXCEPT DIREC'T VENTj Iniput: Btulhr <br /> CombusGon Air Opening Area{CAOA): <br /> ;,.�• > <br /> Tot�d Bbuthr dMded 3000 Bh�lhr per inx CHOA,_ l300G 6tuThr per inx= �" ir� <br /> Step B: Cala,lat�Minimum CAOA. --- <br /> Iv6nimum CAOA=CAaA mul�Jled h R�� F Minimum CAOA=�"�M r�° ��_ !�`? � <br /> Slep 9: Calculate Combus6on Nr Opening Diameter(CA4[7} �� ;�r`� ,_� �j <br /> �-�-�.- �`- ��-�.� ,_--�' � � <br /> CAO�=1.13 m tJed ttte s taare root of Minrmum CFlO.A CAGD=1.'3 x htinimum CAOA= in <br /> �If desired,ACH can be detemdned using ASHRAE ca�Culation or blower doo�tesL Follav pr�c�dures in Sedion 304. �„,�- ,,,,� <br /> 58 <br />