01-0679-003 Air System Sizing Summary -
umma for RTU-1
Project Name:BELLEZA SPA SALON BOUTIQUE
Prepared by:UCI Engineering
4/01 05/
Air System Information 0 05/0 AM
System Name
Equipment Class RTU-1
Type PKG ROOF
System T
yP SZCAV Number of Zones 1
Floor Area
'
Sizing Calculation Information 1051.0 ft-
Zone and Space Sizing Method:
Zone CFM
Space CFM Peak zone sensible load
Coincident space loads Calculation Months
Sizing Data Jan to Dec
Central Cooling Coil Sizing Data Calculated
Total coil load
Sensible coil load 5.7 Tons Load occurs at
Coil CFM at Jul 1600 3.7 Tons OA DB/WB Jul 1600
Max possible CFM 1658 CFM Entering DB/Wg 90.6/76.9 °F
Design supply temp. 1658 CFM Leaving DB/WB 81.3/68.6 °F
ft'/Ton 55.0 °F 56.4/55.4 °F
185.6 Coil ADP
BTU/hr/ft2 Bypass factor 53'7 'F
Water flow @ 10.0°F rise 64.6 Resulting RH 0.100
-gpm Zone T-stat Check 50 %
1
Central Heating Coil Sizing Data of 1 OK
Max coil load 17694 BTU/hr
Coil CFM at Des Ht Load occurs at
Max possible CFM 1658 CFM Des Htg
1658 CFM BTU/hr/ft-
Water flow @ 20,0°F drop Ent.DB/Lvg DB 16.8
gpm 60.5/70.3 °F
Supply Fan Sizing Data
Actual Max CFM at Jul 1800
Standard CFM ---1658 CFM
1657 CFM Fan motor BHP
Actual Max CFM/ft2 1.58 CFM/ft2 Fan motor kW 0.48 BHP Fan static 0.36 kW
Outdoor Ventilation Air Data 1.00 in.wg.
Design airflow CFM
CFM/ft2 525 CFM
0.50 CFM/ft2 CFM/person
5.00 CFM/person
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