1419 Cutters Lane - Combustion Air Calc08/30/2011 12:17 7634980006
Default ACM vilues have teen ineorporeMd hnle Table E -1 for use with Method 4b (IG4R Method).
lt
the year al consbucgon or ACH is not knew, use method as (Standard Method).
Determine Requited Value* kg Combustion AY.
Calculate
RF =1 minus Ratio
the ►auk+
CaioaFete Minimum CAOA,
Minimum CAOA = CAOA multiplied by RF
2010 MrrnStorA STATE BUIEMNC CODE
Intarmitiom.
Calculate Gen buetion Ale Opentnq Diameter (CAW)
COD =1,13 multiplied by the square root of Minimum CAOA
II desired. ACH can be determined using ASHRAE ca3cutaf'em or dower
• 382
WESTAIR I- EATING
CAOtt, =1.13 x JMlnlmum
feet. Follow procedure;
F�
llen
. Omit Hood Pan Assailed _Direct Vent
(Not tan assisted) & PPM Vent
Water
Food _Fan Melted Deed Vent
if P vent
Ca lcsdate the volume of the Combustion Amiss* Spice (CAS) embalming cornhustion ePellenaes. c
The CAS Includes all spews connected to one another by code compliant ooenmge- CAS volume"._____
adenine PS Charges per Hour (ACH)'
late Sunda. d Method / j
TotAI Bluely input of ell Edon appliances (DO NOT COUNT DIRECT VENT APPLIANCES) lapin: Btulnr
Use Standard Method column in Table E-1 to end Tote! Required Volume (TRY) TRV SAS
If CAS Volume (from Step 2) Is greeter than TRV then no outdoor gigs ere needed.
lt CAS *tome (tom Step 2) is see then TRV then vote STEP S.
4b. Known Air intStrstion Rate (KA1R) Hlethed
Total Butte Input of se tano-essMed end power vent appliance;
(DO NOT COUNT DIRECT VENT APPLIANCES)
Use Fan- Assisted Appliances column in TAM E -1 la tend
RegJaed Volume Fin Asilsied (RVPA) RVFA: Rte
Total Suter input of all norm- samisted apoisncns inpur Butihr
Use Non-Fen- Assisted Appliances column In Table 61 to and A
Request) Volume Non -Fan •A leted IRVNFA)
Toted Required Volume (TRV) = RVFA + RVNFA TRV * + — -
If CAS Volume (horn Step 2) is greeter than TRY teen no outdoor openings are needed,
V CAS volume (from Step 2) is lees then TRV then go to STEP 5.
hrput: Bluhr
of evadable interior volume a the total Wind volume. y , s
S Nolan (hum SIep 2) dhtded by TRY (from Step is or Step 4b) Ratio : - r R ' 96
CpkutMe Reduction Feeler (RF).
RF =1 •
Calculate dingle outdoor opening as it MI cembuslon air is bnm a
outside �
Total Bturhr input of alt Combustion Appliances In the same C.PS (EXCEPT DIRECT VENT) Input BhtArr 1
Combustion Air Opening Area (CADA): !, /434 4+'°
Total BhtAu divided by 3000 Bluthr per 1e CAOA 3000 Btaretr per WO
'Y `T
wow CAOA P x _ _-..e
y
rn
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