HomeMy WebLinkAboutFile Documents.COACH RD.0079.2018 (18).ARBKAir System Sizing Summary for Whole House
Project Name: 18003-DBX 7 03/27/2018
Prepared by: RADER ENGINEERING INC.01:39PM
Air System Information
Air System Name Whole House
Equipment Class UNDEF
Air System Type SZCAV
Number of zones 1
Floor Area 8511.0 ft²
Location Eagle, Colorado
Sizing Calculation Information
Calculation Months Jan to Dec
Sizing Data Calculated
Zone CFM Sizing Sum of space airflow rates
Space CFM Sizing Individual peak space loads
Central Cooling Coil Sizing Data
Total coil load 13.3 Tons
Total coil load 159.8 MBH
Sensible coil load 154.0 MBH
Coil CFM at Aug 1400 9992 CFM
Max block CFM 9992 CFM
Sum of peak zone CFM 9992 CFM
Sensible heat ratio 0.964
CFM/Ton 750.3
ft²/Ton 639.1
BTU/(hr·ft²)18.8
Water flow @ 10.0 °F rise 31.98 gpm
Load occurs at Aug 1400
OA DB / WB 88.9 / 64.7 °F
Entering DB / WB 73.1 / 59.1 °F
Leaving DB / WB 54.0 / 52.7 °F
Coil ADP 51.9 °F
Bypass Factor 0.100
Resulting RH 48 %
Design supply temp.50.0 °F
Zone T-stat Check 1 of 1 OK
Max zone temperature deviation 0.0 °F
Central Heating Coil Sizing Data
Max coil load 183.6 MBH
Coil CFM at Des Htg 9992 CFM
Max coil CFM 9992 CFM
Water flow @ 20.0 °F drop 18.37 gpm
Load occurs at Des Htg
BTU/(hr·ft²)21.6
Ent. DB / Lvg DB 68.7 / 91.4 °F
Humidifier Sizing Data
Max steam flow at Des Htg 9.69 lb/hr
Airflow Rate 9992 CFM
Air mass flow 33654.11 lb/hr
Moisture gain .00029 lb/lb
Supply Fan Sizing Data
Actual max CFM 9992 CFM
Standard CFM 7479 CFM
Actual max CFM/ft²1.17 CFM/ft²
Fan motor BHP 2.05 BHP
Fan motor kW 1.63 kW
Fan static 0.75 in wg
Outdoor Ventilation Air Data
Design airflow CFM 0 CFM
CFM/ft²0.00 CFM/ft²
CFM/person 0.00 CFM/person
Hourly Analysis Program 5.11 Page 1 of 3
3/30/18
4/5/2018
Zone Sizing Summary for Whole House
Project Name: 18003-DBX 7 03/27/2018
Prepared by: RADER ENGINEERING INC.01:39PM
Air System Information
Air System Name Whole House
Equipment Class UNDEF
Air System Type SZCAV
Number of zones 1
Floor Area 8511.0 ft²
Location Eagle, Colorado
Sizing Calculation Information
Calculation Months Jan to Dec
Sizing Data Calculated
Zone CFM Sizing Sum of space airflow rates
Space CFM Sizing Individual peak space loads
Zone Terminal Sizing Data
Zone Name
Design
Supply
Airflow
(CFM)
Minimum
Supply
Airflow
(CFM)
Zone
CFM/ft²
Reheat
Coil
Load
(MBH)
Reheat
Coil
Water
gpm
@ 20.0 °F
Zone
Htg Unit
Coil
Load
(MBH)
Zone
Htg Unit
Water
gpm
@ 20.0 °F
Mixing
Box Fan
Airflow
(CFM)
Whole House 9992 9992 1.17 0.0 0.00 0.0 0.00 0
Zone Peak Sensible Loads
Zone Zone Zone
Cooling Time of Heating Floor
Sensible Peak Sensible Load Area
Zone Name (MBH)Cooling Load (MBH)(ft²)
Whole House 156.5 Aug 1500 193.3 8511.0
Hourly Analysis Program 5.11 Page 2 of 3
4/5/2018
Zone Sizing Summary for Whole House
Project Name: 18003-DBX 7 03/27/2018
Prepared by: RADER ENGINEERING INC.01:39PM
Space Loads and Airflows
Zone Name /
Space Name Mult.
Cooling
Sensible
(MBH)
Time of
Peak
Sensible
Load
Air
Flow
(CFM)
Heating
Load
(MBH)
Floor
Area
(ft²)
Space
CFM/ft²
Whole House
002 Family Room 1 20.1 Sep 1400 1129 25.1 1295.0 0.87
003 Powder 1 1 2.5 Nov 1400 141 2.1 47.0 2.99
004 Kitchenette 1 1.5 Jul 1500 84 0.6 134.0 0.63
006 Powder 2 1 0.5 Jul 1500 26 0.4 50.0 0.53
008 Laundry 1 1.4 Jul 1500 81 1.2 170.0 0.47
011 Hall 1 1.2 Jul 1500 85 2.1 372.0 0.23
012 Bath 1 1 0.8 Jul 1500 47 0.4 80.0 0.59
013 WIC 1 1 0.3 Jul 1500 14 0.3 68.0 0.21
014 Bed 1/ Bed 2 1 6.2 Oct 1400 349 7.5 519.0 0.67
016 Bath 2 1 0.8 Jul 1500 47 0.4 80.0 0.59
017 WIC 2 1 0.3 Jul 1500 14 0.3 68.0 0.21
019 Bath 3 1 0.9 Jul 1500 50 0.5 89.0 0.56
020 WIC 3 1 0.1 Jul 1500 13 0.3 51.0 0.26
021 Bed 3 1 2.6 Oct 1300 159 3.9 304.0 0.52
100 Entry & Gallery 1 14.2 Jul 1500 799 19.4 536.0 1.49
102 Living & Dining 1 36.6 Sep 1400 2058 37.9 918.0 2.24
104 Kitchen 1 8.2 Jul 1500 463 2.7 259.0 1.79
108 Pantry 1 1.6 Jul 1500 91 0.7 95.0 0.96
109 Powder 3 1 0.6 Jul 1500 33 0.3 44.0 0.75
111 Hall 1 11.2 Nov 1400 634 15.4 219.0 2.90
112 Office 1 5.0 Sep 1500 279 6.1 193.0 1.45
113 Wine 1 9.1 Jul 1400 511 6.4 138.0 3.70
114 Mudroom 1 1.9 Jul 1500 108 1.9 367.0 0.29
116 Garage 1 5.5 Aug 1600 537 13.0 766.0 0.70
201 Hall 1 5.0 Jul 1500 371 9.0 386.0 0.96
202 Master Bedroom 1 11.2 Sep 1400 629 14.0 403.0 1.56
203 Master Bath 1 13.4 Sep 1500 754 12.0 397.0 1.90
204 Shower & W/C 1 4.1 Jul 1700 229 3.6 138.0 1.66
206 Master Dressing 1 4.6 Jul 1600 257 5.9 325.0 0.79
Hourly Analysis Program 5.11 Page 3 of 3
4/5/2018