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HomeMy WebLinkAboutRESIDENTIAL HVAC LOADSi Fairfield Model HVAC Load Calculations for Standard Pacific Homes Rl"IVAC WA �s Prepared By: Greg Bolinsky Engineered Air LLC CACO45860 2520 N Andrews Ave Ext Pompano Beach, FL 33064 954 974-7277 Wednesday, February 05, 2014 Rhvac is an ACCA approved Manual J and Manual D computer program. Calculations Are performed per ACCA Manual J 8th Edition, Version 2, and ACCA Manual D. Rhvac -Resideritial .& Light Commercial HVAC•Loads Elite Software Development, Inc. Engineered Air, LLC . „ ® ,Fairfield Model Mar ate; FL 33063 . Page 2 Project Report General Project Information. Project Title: Fairfield Model Designed By: Greg Bolinsky Project Date: Friday, November 1, 2013 Client Name: Standard Pacific Homes Company Name: Engineered Air LLC CAC045860 Company Representative: Greg Bolinsky Company Address: 2520 N Andrews Ave Ext Company City: Pompano Beach, FL 33064 Company Phone: 954 974-7277 Company Fax: 954 973-1883 Design Data Reference City: Fort Pierce, Florida Building Orientation: House faces East Daily Temperature Range: Medium Latitude: 27 Degrees Elevation: 25 ft. Altitude Factor: 0.999 Outdoor Outdoor Outdoor Indoor Indoor Grains Dry Bulb Wet Bulb Rel.Hum Rel.Hum Dry Bulb Difference Winter: 42 39.4 n/a n/a 70 n/a Summer: 90 75 50% ' 50% 73 46 Check Figures Total Building Supply CFM: 2,262 CFM Per Square ft.: 0.559 Square ft. of Room Area: 4,047 Square ft. Pei Ton: 714 Volume (ft') of Cond. Space: 41,219 Buildin "Loads Total Heating Required Including Ventilation Air: 43,428 Btuh 431.428 MBH Total Sensible Gain: 49,709 Btuh 73 % Total Latent Gain: 18,306 Btuh 27 % Total Cooling Required Including Ventilation Air: 68,015 Btuh 5.67 Tons (Based On Sensible + Latent) f Notes Rhvac is an ACCA approved Manual J and Manual D computer program. Calculations are performed per ACCA Manual J 8th Edition, Version 2, and ACCA Manual D. All computed results are estimates as building use and weather may vary. Be sure to select a unit that meets both sensible and latent loads according to the manufacturer's performance data at your design conditions. U.. S:\ ...\Stan Pac RB Fairfield 6511 Port St. Lucie.rh9 Wednesday, February 05, 2014, 1:21 PM Rhvac - Residential & Light Commercial HVAC.Loads Elite Software Development, Inc: Engineered Air, LLC Fairfield Model Margate,, FL 33063'. Page 3 ..Total Building Summa 'Loads : = Component Descn "tong = :_ _`:'. < Area Quan' , Sen Loss Lat w- Sen:,­*`Total kI. -Gain .'. Gam , :.. `Gain Lo-E operable: Glazing-Low-E Operable Glass, u-value 363.1 6,108 0 11,320 11,320 0.6, SHGC 0.31 Lo-E Fixed Glass: Glazing -Low E Fixed Glass, u-value 175.2 1,963 0 4,707 4,707 0.4, SHGC 0.31 Lo-E French. Door: Glazing-Low-E French Door, u-value 20 431 0 685 685 0.77, SHGC 0.22 11D: Door -Wood - Solid Core 42.7 250 0 250 250 13A-4ocs: Wall -Block, board insulation only, R-4 board 3086.9 , 12,359 0 7,637 7,637 insulation, open core, siding finish 1213-0sw: Part -Frame, R-11 insulation in 2 x 4 stud 394.8 574 0 574 574 cavity, no board insulation, siding finish, wood studs 13A-4ocs: Part -Block, board insulation only, R-4 board 64 137 0 137 137 insulation, open core, siding finish 16D-30: Roof/Ceiling-Under Attic with Insulation on Attic 2583 2,315 0 2,645 2,645 Floor (also use for Knee Walls and Partition Ceilings), Vented Attic, No Radiant Barrier, Dark Tile, Slate or Concrete, R-30 insulation 22A-pl: Floor -Slab on grade, No edge insulation, no 226 6,258 0 0 0 insulation below floor, any floor cover, passive, light dry soil - ------ --._.._............ _........ ... _ Subtotals for structure: 30,395 0 27,955 27,955 People: 10 3,000 3,000 6,000 Equipment: 9,000 7,200 16,200 Lighting: 0 0 0 Ductwork: 5,211 2,197 5,965 8,162 Infiltration: Winter CFM: 254, Summer CFM: 131 7,822 4,109 2,439 6,548 Ventilation: Winter CFM: 0, Summer CFM: 0 0 0 0 0 AED Excursion: 0 0 3,150 3,150 Total Building Load Totals: 43,428 18,306 49,709 68,015 Check Figures Total Building Supply CFM: 2,262 CFM Per Square ft.: 0.559 .Square ft. of Room Area: 4,047 Square ft. Per Ton: 714 Volume (ft3) of Cond. Space: 41,219 Buildin;_L'oads' Total Heating Required Including Ventilation Air: 43,428 Btuh 43.428 MBH Total Sensible Gain: 49,709 Btuh 73 % Total Latent Gain: 18,306 Btuh 27 % Total Cooling Required Including Ventilation Air: 68,015 Btuh 5.67 Tons (Based On Sensible + Latent) Notes Rhvac is an ACCA approved Manual J and Manual D computer program. Calculations are performed per ACCA Manual J 8th Edition, Version 2, and ACCA Manual D. All computed results are estimates as building use and weather may vary. Be sure to select a unit that meets both sensible and latent loads according to the manufacturer's performance data at your design conditions. S:\ ...\Stan Pac RB Fairfield 6511 Port St.. Lucie.rh9 Wednesday, February 05, 2014, 1:21-PM Rhvac - Residential & Light Commercial HVAC Loads Elite Wtware,Development, Inc. Engineered Air, LLC. ® Fairfield Model Mar ate,.FL 33063 . Page 5 System)22-Room-lDad Summary Htg, Min Run , Run s 4CIg Clg� f� Mm " Act Room Area y Senn Htg Duct' k Duct Sens , � i Lat Clg _Sys rt No Name 4. .. CFM - ;Size`, Uel Btuh , B.tuh :.CFM CFM ---Zone 1--- 2 AC 2 -Second 1,464 15,216 198 9-6 502 . 19,508 5,262 888 888 _ Floor Duct Latent 718 System 2 total — y ---- 1,464 15,216 198 ...._....-.__..____.—_...— 19,508 5,980 888 888 --------.._._.._......._..._._...........__.__ .........- -----..__...-- - System 2 Main Trunk Size: 10x17 in. Velocity: 752 ft./min Loss per 100 ft.: 0.095 in.wg �. ' +< C:oolingSerisible/Latent 9 a Sensble '-Latent':: Total `Tons S 'lit Btuh p Btuli Btul Net Required: 2.12 77% / 23% 19,508 5,980 25,488 Actual: 2.40 75% / 25% 21,600 7,200 28,800 Equipment Data Heating System Cooling System Type: Air Source Heat Pump Air Source Heat Pump Model: 25HBC530A**30 25HBC530A**30 Indoor Model: FX4DN(B,F)031 Brand: COMFORT 13 PURON HP COMFORT 13 PURON HP Description: Air Source Heat Pump Air Source Heat Pump Efficiency: 8.5 HSPF 15.2 SEER Sound: 0 0 Capacity: 28,200 Btuh 28,800 Btuh Sensible Capacity: n/a 21,600 Btuh Latent Capacity: n/a 7,200 Btuh AHRI Reference No.: n/a 3645739 This system's equipment was selected in accordance with ACCA Manual S. Manual S equipment sizing data: SODB: 90F, SOWB: 75F, WODB: 42F, SIDB: 73F, SIRH: 50%, WIDB: 70F, Sen. gain: 19,508 Btuh, Lat. gain: 5,980 Btuh, Sen. loss: 15,216 Btuh, Entering clg. coil DB: 73F, Entering clg. coil WB: 60.9F, -Entering htg. coil DB: 70F, Clg. coil TD: 20F, Htg. coil TD: 70F, Req. clg. airflow: 888 CFM, Req. htg. airflow: 198 CFM S:\ ...\Stan Pac RB'Fairfield 6511 Port St. Lucie.rh9 Wednesday, February 05, 2014, 1:21 PM Rhvac.- Residential & Light Commercial HVAC Loads Elite Software Development, Inc. Engineered Air,_LLC ., ®• Fairfield Model Margate, -FL 33063 Pa 'e 4 System' 1 Ra mn- toad= Summary' Hfg Min . Run Run Clg Clg Min, Act Room Area Sens- Htg Duch Duct Sens > Lat ; ' Clg Sys No Name _ SF Btuh : CFM Size ., Vel . ` .Btuh.' Btuh :CFM`" '. CFM ---Zone 1--- 1 AC 1 - First Floor 2,583 — 28,213 _...._............._367_13_6_._........................_538 30,201 _._.._10,847 - _ 1,374 ___._....__1,374 Duct Latent 1,479 ............._. System 1 total 2,583 28,213 367._........_............_._-....._........- --- ---- - 30,201..._.__._12,326 ._...- 1,374.....- System 1 Main Trunk Size: 12x19 in. Velocity: 868 ft./min Loss per 100 ft.: 0.103 in.wg I.Co6ling: S stem'Summa "�3 , Goolmg Senssible/Latent "' Sersible Latentti' Total 7" Tons:: S" lit: Btuh Btuh `Btuh Net Required: 3.54 71 % / 29% 30,201 12,326 42,527 Actual: 3.96 75% / 25% 35,625 11,875 47,500 Equipment Data Heating System Cooling System Type: Air Source Heat Pump Air Source Heat Pump Model: 25HBC548A**30 25HBC548A**30 Indoor Model: FX4DN(B,F)049 Brand: COMFORT 13 PURON HP COMFORT" 13 PURON HP Description: Air Source Heat Pump Air Source Heat Pump Efficiency: 8.5 HSPF 15 SEER Sound: 0 0 Capacity: 45,500 Btuh 47,500 Btuh Sensible Capacity: n/a 35,625 Btuh Latent Capacity: n/a 11,875 Btuh AHRI Reference No.: n/a 3646319 This system's equipment was selected in accordance with ACCA Manual S. Manual S equipment sizing data: SODB: 90F, SOWB: 75F, WODB: 42F, SIDB: 73F, SIRH: 50%, WIDB: 70F, Sen. gain: 30,201 Btuh, Lat. gain: 12,326 Btuh, Sen. loss: 28,212 Btuh, Entering clg. coil DB: 73F, Entering clg. coil WB: 60.9F, Entering htg. coil DB: 70F, CIg. coil TD: 20F, Htg. coil TD: 70F, Req. clg. .I I airflow: 1374 CFM, Req. htg. airflow: 367 CFM I S:\ ...\Stan Pac RB Fairfield 651`1. Port St. Lucie.rh9 Wednesday, February 05, 2014, 1:21 .PM