Air System Sizing Summary for FF-AHU-03 with heat/humidifier
Project Name: DG Affairs- Office rev. 1 08/27/2011
Prepared by: abc 07:26AM
Air System Information
Air System Name .... FF-AHU-03 with heat/humidifier Number of zones ............................................................. 1
Equipment Class ......................................... SPLT AHU Floor Area ................................................................. 544.9 m
Air System Type ..................................................... VAV Location .................................................... Masqat, Oman
Sizing Calculation Information
Zone and Space Sizing Method:
Zone L/s ............................... Peak zone sensible load Calculation Months ......................................... Jan to Dec
Space L/s ...................... Individual peak space loads Sizing Data ...................................................... Calculated
Central Cooling Coil Sizing Data
Total coil load ....................................................... 131.9 kW Load occurs at ................................................... Jun 1600
Sensible coil load ................................................... 96.7 kW OA DB / WB ...................................................... 49.2 / 29.9 C
Coil L/s at Jun 1600 .............................................. 4937 L/s Entering DB / WB ............................................. 28.5 / 19.5 C
Max block L/s at Jun 1600 .................................... 5169 L/s Leaving DB / WB .............................................. 12.2 / 11.5 C
Sum of peak zone L/s ........................................... 5169 L/s Coil ADP ..................................................................... 10.4 C
Sensible heat ratio ............................................... 0.733 Bypass Factor .......................................................... 0.100
m/kW ....................................................................... 4.1 Resulting RH ................................................................. 47 %
W/m ..................................................................... 242.0 Design supply temp. ................................................... 12.8 C
Water flow @ 5.6 K rise ......................................... N/A Zone T-stat Check .................................................... 1 of 1 OK
Max zone temperature deviation .................................. 0.0 K
Central Heating Coil Sizing Data
Max coil load ............................................................ 5.4 kW Load occurs at ..................................................... Des Htg
Coil L/s at Des Htg ................................................ 1024 L/s W/m ............................................................................. 9.9
Max coil L/s ........................................................... 5169 L/s Ent. DB / Lvg DB ................................................ 7.7 / 12.0 C
Water flow @ 11.1 K drop ...................................... N/A
Humidifier Sizing Data
Max steam flow at Des Htg .................................... 0.00 kg/hr Air mass flow .............................................................. 0.00 kg/hr
Airflow Rate ................................................................. 0 L/s Moisture gain .......................................................... .00000 kg/kg
Supply Fan Sizing Data
Actual max L/s at Jun 1600 ................................... 5169 L/s Fan motor BHP ........................................................... 3.85 BHP
Standard L/s .......................................................... 5160 L/s Fan motor kW ............................................................. 2.87 kW
Actual max L/(s-m) ................................................ 9.49 L/(s-m) Fan static ..................................................................... 300 Pa
Outdoor Ventilation Air Data L/s/person ................................................................. 12.83 L/s/person
Design airflow L/s .................................................. 1014 L/s
L/(s-m) ................................................................... 1.86 L/(s-m)
Hourly Analysis Program v.4.3 Page 1 of 1
