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Home My WebLink AboutAir System Sizing SummaryAir System Sizing Summary for Default System Project Name: PRIMA VISTA 04/10/2005 Prepared by: ROBERT A SALSBURY, PE, LLC 07:28PU Air System Information Air System Name ........................................ Default System Number of zones.................—.....................-.................................1 Equipment Class --------------------------------------------------- SPLT AHU Floor Area .. - - -................------.............. --............_-------1770.0 ftz Air System Type ........_..._ .............._....................-.-.-... SZCAV Location ........................................ West Palm Beach, Florida Sizing Calculation Information Zone and Space Sizing Method: Zone CFM.................................. Peak zone sensible load Calculation Months -------------------------------------------- ........ Jan to Dec Space CFM ........................ Individual peak space loads Sizing Data........................................................... User -Modified Central Cooling Coil Sizing Data - Total coil load ............................................ ............ 6.5 Tons Load occurs at............................................................... Aug 1600 Total coil load........................................................... .. ........78.4 MBH OA DB / WB .................................................................................... 91.0 / 78.0 °F Sensible coil load .. ............................................—.......... 59.0 MBH Entering DB / WB------.........----- ---........... - ...........80.1 / 66.6 °F Coil CFM at Aug 1500..................................................... 2341 CFM Leaving DB / WB------------------------------------------- 56.7 / 55.5 °F Max block CFM ... .................. .............................. 2400 CFM Coil ADP ----- ---- --- ---.. ----- - -----...--- ...... ... ............................. 64.1 °F Sum of peak zone CFM........................................... ..... 2400 CFM Bypass Factor ............................................. ............................................. 0.100 Sensible heat ratio ..- ..................................................... 0.763 Resulting RH . --- .... -- ................. - ..................- ....... 47 % ft2/Ton ------------------------------------------------------------------------ - 270.9 Design supply temp .--------------------------------------------------------------- 68.0 °F BTU/(hr-ft2) ................. ............................ ..................44.3 Zone T-stat Check . -- .................. ......................1 of 1 OK Water flow @ 10.0 °F rise ................................................ N/A Max zone temperature deviation .......................................... 0.0 °F Central Heating Coil Sizing Data Max coil load-------------------------------------------------------------------------- 9.5 MBH Load occurs at .............................. ......... Des Htg Coil CFM at Des Htg------------------------------------------------------198 CFM BTU/(hr-ftz)............................ ....................................... .---------.... 5.4 Max coil CFM--------- --------------------------------- -- -------- ----- ----- 2400 CFM Ent. DB / Lvg DB ................... ...................... -- .......65.3 / 109.8 °F Water flow @ 20.0 °F drop ----- ----- --- -- -- ------ - -------------- N/A Supply Fan Sizing Data Actual max CFM---------------------------------------- 2400 CFM Fan motor BHP ...................-............ ..................... 0.41 BHP Standard CFM ---- -- - - ------ - ----------------- ----- 2398 CFM Fan motor kW - ......................................................................... 0.30 kW Actual max CFM/ftz................................................1.36 CFM/ftz Fan static --------------------- ---- ---- ----........:------------------------------------ 0.70 in wg Outdoor Ventilation Air Data Design airflow CFM.............................................................400 CFM CFM/person........................................................................ 20.00 CFM/person CFM/ftz ---- ------------ ----------- - ---------------------------------------- ------- 0.23 CFM/ftz LJ.....I.. A....I.... i., n.............. A n n--- 4 ..i 4 " Zone Sizing Summary for Default System 'reject Name: PRIMA VISTA 04/10/200 'repared by: ROBERT A SALSBURY, PE, LLC 07:28PA Air System Information Air System Name... ------------------------------------- Default System Number of zones ....... Equipment Class ................................................... SPLT AHU Floor Area .................... Air System Type ................................. ............. SZCAV Location ..................... Sizing Calculation Information Zone and Space Sizing Method: • Zone CFM---------------------------------- Peak zone sensible load Calculation Months --- Space CFM ........................ Individual peak space loads Sizing Data .................. Zone Sizing Data ..............................................................1 .-----.._............................1770.0 ft2 ......... West Palm Beach, Florida ...................................Jan to Dec ........................... User -Modified Maximum Design Minimum Time Maximum Zone Cooling Air Air of Heating Floor Sensible Flow Flow Peak Load Area Zone Zone Name (MBH) (CFM) (CFM) Load (MBH) (ft2) CFMIft2 Zone 1 46.2 2400 2400 Oct 1500 8.7 1770.0 1.36 Zone Terminal Sizing Data No Zone Terminal Sizing Data required for this system. Space Loads and Airflows Cooling Time Air Heating Floor Zone Name / Sensible of Flow Load Area Space Space Name Mult. (MBH) Load (CFM) (MBH) (ft2) CFM/ft2 Zone 1 PRIMA VISTA BANK UNITED 1 46.2 Oct 1500 2517 8.7 1770.0 1.42 LJ.. A.. A A 7 r)-- , 4 -9 4 Air System Design Load Summary for Default System Project Name: PRIMA VISTA 04/10/2005 Prepared by: ROBERT A SALSBURY, PE, LLC 07:28PM DESIGN COOLING DESIGN HEATING COOLING DATA AT Aug 1500 COOLING OA DB / WB 91.0 °F / 78.0 °F HEATING DATA AT DES HTG HEATING OA DB / WB '43.0 °F / 36.1 °F ZONE LOADS Details Sensible (BTU/hr) Latent (BTU/hr) Details Sensible (BTU/hr) Latent (BTU/hr) Window &.Skylight Solar Loads 128 ft2 6369 - 128 ft2 - - Wall Transmission 430 ftZ 1236 - 430 ft2 1708 - Roof Transmission 1770 ft2 5697 - 1770 ft2 2378 - Window Transmission 128 ft2 1132 - 128 ft2 2239 - Skylight Transmission 0 ft2 0 - 0 ft2 0 - Door Loads 42 ft2 1519 - 42 ft2 709 - Floor Transmission 1770 ft2 0 - 1770 ft2 853 - Partitions 0 ft2 0 - 0 ft2 0 - Ceiling 564 ft2 119 - 564 ft2 769 - Overhead Lighting 3823 W 11028 - 0 0 - Task Lighting 0 W 0 - 0 0 - Electric Equipment 4500 W 14295 - 0 0 - People 20 3954 4100 0 0 0 Infiltration - 0 0 - 0 0 Miscellaneous - 0 0 0 0 Safety Factor 0%/0% 0 0 0% 0 0 >> Total Zone Loads 45347 4100 8656 0 Zone Conditioning - 50311 4100 - 8583 0 Plenum Wall Load 0% 0 - 0 0 - Plenum Roof Load 0% 0 - 0 0 - Plenum Lighting Load 0% 0 - 0 0 - Return Fan Load 2400 CFM 0 - 2400 CFM 0 - Ventilation Load 390 CFM 5510 15254 33 CFM 952 0 Supply Fan Load 2341 CFM 1009 - 198 CFM -85 - Space Fan Coil Fans - . 0 - - 0 - Duct Heat Gain / Loss 5% 2212 - 5% 36 - >> Total System Loads 59042 19364 94851 0 Central Cooling Coil - 59042 19363 - 0 0 Central Heating Coil - 0 - - 9485 ' - >> Total Conditioning 59042 19363 9485 0 Key: Positive values are clg loads Negative values are htg loads Positive values are htg loads Negative values are cig loads U-...1.. 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