Air System Sizing Summary for 1F Office 2
Project Name: CAT at 46 Deg C 07/02/2011
Prepared by: ABC 11:56PM
Air System Information
Air System Name 1F Office 2 Number of zones 1
Equipment Class SPLT AHU Floor Area 137.0 m²
Air System Type SZCAV Location Masqat, Oman
Sizing Calculation Information
Zone and Space Sizing Method:
Zone L/s Sum of space airflow rates Calculation Months Jan to Dec
Space L/s Individual peak space loads Sizing Data Calculated
Central Cooling Coil Sizing Data
Total coil load 25.8 kW Load occurs at Jun 0800
Sensible coil load 24.2 kW OA DB / WB 38.5 / 30.6 °C
Coil L/s at Jun 0800 1772 L/s Entering DB / WB 25.2 / 17.6 °C
Max block L/s 1772 L/s Leaving DB / WB 13.9 / 13.1 °C
Sum of peak zone L/s 1772 L/s Coil ADP 12.6 °C
Sensible heat ratio 0.937 Bypass Factor 0.100
m²/kW 5.3 Resulting RH 48 %
W/m² 188.3 Design supply temp. 14.0 °C
Water flow @ 5.6 °K rise N/A Zone T-stat Check 0 of 1 OK
Max zone temperature deviation 2.0 °K
Supply Fan Sizing Data
Actual max L/s 1772 L/s Fan motor BHP 0.16 BHP
Standard L/s 1769 L/s Fan motor kW 0.12 kW
Actual max L/(s-m²) 12.94 L/(s-m²) Fan static 40 Pa
Outdoor Ventilation Air Data
Design airflow L/s 0 L/s L/s/person 0.00 L/s/person
L/(s-m²) 0.00 L/(s-m²)
Hourly Analysis Program v.4.4 Page 1 of 1
Air System Design Load Summary for 1F Office 2
Project Name: CAT at 46 Deg C 07/02/2011
Prepared by: ABC 11:56PM
DESIGN COOLING DESIGN HEATING
COOLING DATA AT Jun 0800 HEATING DATA AT DES HTG
COOLING OA DB / WB 38.5 °C / 30.6 °C HEATING OA DB / WB 12.0 °C / 10.0 °C
Sensible Latent Sensible Latent
ZONE LOADS Details (W) (W) Details (W) (W)
Window & Skylight Solar Loads 40 m² 7329 - 40 m² - -
Wall Transmission 61 m² 451 - 61 m² 255 -
Roof Transmission 0 m² 0 - 0 m² 0 -
Window Transmission 40 m² 2239 - 40 m² 1206 -
Skylight Transmission 0 m² 0 - 0 m² 0 -
Door Loads 0 m² 0 - 0 m² 0 -
Floor Transmission 0 m² 0 - 0 m² 0 -
Partitions 23 m² 457 - 23 m² 0 -
Ceiling 0 m² 0 - 0 m² 0 -
Overhead Lighting 2466 W 1258 - 0 0 -
Task Lighting 0W 0 - 0 0 -
Electric Equipment 2946 W 2582 - 0 0 -
People 20 1059 1548 0 0 0
Infiltration - 0 0 - 0 0
Miscellaneous - 0 0 - 0 0
Safety Factor 10% / 5% 1538 77 0% 0 0
>> Total Zone Loads - 16913 1626 - 1460 0
Zone Conditioning - 22925 1626 - 68 0
Plenum Wall Load 20% 223 - 0 0 -
Plenum Roof Load 70% 0 - 0 0 -
Plenum Lighting Load 30% 740 - 0 0 -
Return Fan Load 1772 L/s 0 - 1772 L/s 0 -
Ventilation Load 0 L/s 0 0 0 L/s 0 0
Supply Fan Load 1772 L/s 118 - 1772 L/s -118 -
Space Fan Coil Fans - 0 - - 0 -
Duct Heat Gain / Loss 1% 169 - 1% 15 -
>> Total System Loads - 24175 1626 - -36 0
Central Cooling Coil - 24175 1625 - 0 0
>> Total Conditioning - 24175 1625 - 0 0
Key: Positive values are clg loads Positive values are htg loads
Negative values are htg loads Negative values are clg loads
Hourly Analysis Program v.4.4 Page 1 of 1
Space Design Load Summary for 1F Office 2
Project Name: CAT at 46 Deg C 07/02/2011
Prepared by: ABC 11:56PM
TABLE 1.1.A. COMPONENT LOADS FOR SPACE '' 1F Office 2 '' IN ZONE '' Zone 1 ''
DESIGN COOLING DESIGN HEATING
COOLING DATA AT Jun 0800 HEATING DATA AT DES HTG
COOLING OA DB / WB 38.5 °C / 30.6 °C HEATING OA DB / WB 12.0 °C / 10.0 °C
OCCUPIED T-STAT 22.0 °C OCCUPIED T-STAT 21.1 °C
Sensible Latent Sensible Latent
SPACE LOADS Details (W) (W) Details (W) (W)
Window & Skylight Solar Loads 40 m² 7329 - 40 m² - -
Wall Transmission 61 m² 451 - 61 m² 255 -
Roof Transmission 0 m² 0 - 0 m² 0 -
Window Transmission 40 m² 2239 - 40 m² 1206 -
Skylight Transmission 0 m² 0 - 0 m² 0 -
Door Loads 0 m² 0 - 0 m² 0 -
Floor Transmission 0 m² 0 - 0 m² 0 -
Partitions 23 m² 457 - 23 m² 0 -
Ceiling 0 m² 0 - 0 m² 0 -
Overhead Lighting 2466 W 1258 - 0 0 -
Task Lighting 0W 0 - 0 0 -
Electric Equipment 2946 W 2582 - 0 0 -
People 20 1059 1548 0 0 0
Infiltration - 0 0 - 0 0
Miscellaneous - 0 0 - 0 0
Safety Factor 10% / 5% 1538 77 0% 0 0
>> Total Zone Loads - 16913 1626 - 1460 0
TABLE 1.1.B. ENVELOPE LOADS FOR SPACE '' 1F Office 2 '' IN ZONE '' Zone 1 ''
COOLING COOLING HEATING
Area U-Value Shade TRANS SOLAR TRANS
(m²) (W/(m²-°K)) Coeff. (W) (W) (W)
N EXPOSURE
WALL 25 0.462 - 174 - 107
WINDOW 1 6 3.324 0.565 351 508 189
WINDOW 2 14 3.313 0.565 775 1126 417
W EXPOSURE
WALL 35 0.462 - 277 - 148
WINDOW 1 15 3.320 0.565 838 4284 451
WINDOW 2 5 3.329 0.565 277 1411 149
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