HomeMy WebLinkAboutFile Documents.COACH RD.0079.2018 (17).ARBKAir System Sizing Summary for DGQ
Project Name: 18003-DBX 7 10/19/2018
Prepared by: RADER ENGINEERING INC.01:38PM
Air System Information
Air System Name DGQ
Equipment Class UNDEF
Air System Type SZCAV
Number of zones 1
Floor Area 653.0 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 1.3 Tons
Total coil load 15.6 MBH
Sensible coil load 13.4 MBH
Coil CFM at Aug 1400 754 CFM
Max block CFM 754 CFM
Sum of peak zone CFM 754 CFM
Sensible heat ratio 0.859
CFM/Ton 581.7
ft²/Ton 503.6
BTU/(hr·ft²)23.8
Water flow @ 10.0 °F rise 3.11 gpm
Load occurs at Aug 1400
OA DB / WB 88.9 / 64.7 °F
Entering DB / WB 73.1 / 58.5 °F
Leaving DB / WB 51.2 / 49.8 °F
Coil ADP 48.8 °F
Bypass Factor 0.100
Resulting RH 46 %
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 14.6 MBH
Coil CFM at Des Htg 754 CFM
Max coil CFM 754 CFM
Water flow @ 20.0 °F drop 1.46 gpm
Load occurs at Des Htg
BTU/(hr·ft²)22.3
Ent. DB / Lvg DB 68.6 / 92.5 °F
Humidifier Sizing Data
Max steam flow at Des Htg 0.59 lb/hr
Airflow Rate 754 CFM
Air mass flow 2540.49 lb/hr
Moisture gain .00023 lb/lb
Supply Fan Sizing Data
Actual max CFM 754 CFM
Standard CFM 565 CFM
Actual max CFM/ft²1.16 CFM/ft²
Fan motor BHP 0.15 BHP
Fan motor kW 0.12 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
10/19/18
10/30/2018
Zone Sizing Summary for DGQ
Project Name: 18003-DBX 7 10/19/2018
Prepared by: RADER ENGINEERING INC.01:38PM
Air System Information
Air System Name DGQ
Equipment Class UNDEF
Air System Type SZCAV
Number of zones 1
Floor Area 653.0 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)
DGQ 754 754 1.16 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)
DGQ 13.4 Aug 1400 15.4 653.0
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
DGQ
DGQ-01 Flex Room 1 10.5 Aug 1400 591 12.3 286.0 2.07
DGQ-02 Sitting 1 1.3 Jul 1500 76 1.3 181.0 0.42
DGQ-03 Bedroom 1 1.0 Jul 1500 58 1.3 125.0 0.46
DGQ-04 Bath 1 0.5 Jul 1500 29 0.5 61.0 0.48
Hourly Analysis Program 5.11 Page 2 of 2
10/30/2018