HomeMy WebLinkAboutFile Documents.905 Chatfield Rd.0111.2018 (80).ARBKAir System Sizing Summary for Whole House
Project Name: 17085-Silverstein Residence 03/27/2018
Prepared by: RADER ENGINEERING INC.01:36PM
Air System Information
Air System Name Whole House
Equipment Class UNDEF
Air System Type SZCAV
Number of zones 1
Floor Area 5010.0 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 10.0 Tons
Total coil load 119.8 MBH
Sensible coil load 113.8 MBH
Coil CFM at Jul 1700 8704 CFM
Max block CFM 8704 CFM
Sum of peak zone CFM 8704 CFM
Sensible heat ratio 0.950
CFM/Ton 872.0
ft²/Ton 501.9
BTU/(hr·ft²)23.9
Water flow @ 10.0 °F rise 23.97 gpm
Load occurs at Jul 1700
OA DB / WB 86.4 / 64.0 °F
Entering DB / WB 73.1 / 61.0 °F
Leaving DB / WB 56.8 / 55.7 °F
Coil ADP 55.0 °F
Bypass Factor 0.100
Resulting RH 54 %
Design supply temp.55.0 °F
Zone T-stat Check 1 of 1 OK
Max zone temperature deviation 0.0 °F
Central Heating Coil Sizing Data
Max coil load 114.8 MBH
Coil CFM at Des Htg 8704 CFM
Max coil CFM 8704 CFM
Water flow @ 20.0 °F drop 11.49 gpm
Load occurs at Des Htg
BTU/(hr·ft²)22.9
Ent. DB / Lvg DB 69.5 / 85.9 °F
Humidifier Sizing Data
Max steam flow at Des Htg 5.08 lb/hr
Airflow Rate 8704 CFM
Air mass flow 29205.44 lb/hr
Moisture gain .00017 lb/lb
Supply Fan Sizing Data
Actual max CFM 8704 CFM
Standard CFM 6490 CFM
Actual max CFM/ft²1.74 CFM/ft²
Fan motor BHP 1.79 BHP
Fan motor kW 1.42 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 2
4/19/18
04/26/2018
Zone Sizing Summary for Whole House
Project Name: 17085-Silverstein Residence 03/27/2018
Prepared by: RADER ENGINEERING INC.01:36PM
Air System Information
Air System Name Whole House
Equipment Class UNDEF
Air System Type SZCAV
Number of zones 1
Floor Area 5010.0 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 8704 8704 1.74 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 114.9 Aug 1600 117.3 5010.0
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
001 Rec Room 1 2.4 Jul 1500 174 3.5 542.0 0.32
002 Laundry 1 1.1 Jul 1500 78 0.5 56.0 1.40
004 Bedroom 1 1 2.8 Jul 1700 202 3.1 235.0 0.86
004-A Bath 1 1 0.6 Jul 1700 41 0.7 51.0 0.81
005 Bedroom 2 1 1.4 Jul 1500 104 1.8 186.0 0.56
005-A Bath 2 1 0.9 Jul 1500 66 0.7 70.0 0.95
006 Bedroom 3 1 1.5 Jul 1500 106 2.0 210.0 0.51
006-A Bath 3 1 0.6 Jul 1500 45 1.1 60.0 0.75
100 Entry 1 27.6 Jul 1600 2014 28.3 539.0 3.74
102 Powder 1 1.6 Sep 1400 114 1.7 38.0 3.01
103 Den 1 5.4 Jul 1500 397 5.8 170.0 2.34
104 Kitchen & Pantry 1 17.2 Sep 1500 1257 11.9 453.0 2.78
105 Dining & Living 1 25.6 Sep 1600 1868 23.9 529.0 3.53
107 Master Bedroom 1 7.3 Jul 1600 536 7.0 313.0 1.71
108 Master Bath 1 2.8 Sep 1600 206 2.3 121.0 1.70
109 Garage 1 4.1 Aug 1600 377 9.1 481.0 0.78
110 Mudroom 1 0.3 Jul 1500 22 0.5 66.0 0.33
111 Master Closet 1 0.4 Jul 1500 26 0.3 90.0 0.28
200 Office 1 3.7 Aug 1600 270 3.8 221.0 1.22
201 Guest Bedroom 1 1 3.5 Aug 1600 253 3.0 204.0 1.24
202 Guest Bath 1 1 1.3 Aug 1600 96 0.8 72.0 1.33
203 Guest Bedroom 2 1 5.0 Aug 1600 362 4.6 242.0 1.50
204 Guest Bath 2 1 1.2 Aug 1300 90 1.1 61.0 1.47
Hourly Analysis Program 5.11 Page 2 of 2
04/26/2018