01-0679-004 — Air System Sizing Summary for RTU 2 -�
Project Name:BELLEZA SPA SALON BOUTIQUE 05/04/01
Prepared by:UCI Engineering 12:32 PM
Air System Information
System Name RTU-2
Equipment Class PKG ROOF Number of Zones 1
System Type SZCAV Floor Area 2386.0 ft-
Sizing Calculation Information
Zone and Space Sizing Method:
Zone CFM Peak zone sensible load Calculation Months Jan to Dec
Space CFM Coincident space loads Sizing Data Calculated
Central Cooling Coil Sizing Data
Total coil load 10.0 Tons Load occurs at Sep 1600
Sensible coil load 7.6 Tons OA DB/WB 88.6 175.9 °F
Coil CFM at Sep 1600 3793 CFM Entering DB/WB 79.4/66.4°F
Max possible CFM 3793 CFM Leaving DB/WB 57.2/56.0 °F
Design supply temp. 55.0 °F Coil ADP 54.7 °F
ft'/Ton 237.8 Bypass factor 0.100
BTU/hr/ft2 50.5 Resulting RH 48 %
Water flow @ 10.0°F rise -gpm Zone T-stat Check 1 of 1 OK
Central Heating Coil Sizing Data
Max coil load 38247 BTU/hr Load occurs at Des Htg
Coil CFM at Des Htg 3793 CFM BTU/hr/ft2 16.0
Max possible CFM 3793 CFM Ent.DB/Lvg DB 63.3/72.7 °F
Water flow @ 20.0°F drop - gpm
Supply Fan Sizing Data
Actual max CFM at Oct 1600 3793 CFM Fan motor BHP 1.11 BHP
Standard CFM 3792 CFM Fan motor kW 0.82 kW
Actual max CFM/ft2 1.59 CFM/ft2 Fan static 1.00 in.wg.
Outdoor Ventilation Air Data
Design airflow CFM 716 CFM CFM/person 28.63 CFM/person
CFM/ft2 0.30 CFM/ft2
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Carrier Hourly Analysis Program v4.04 v — `
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