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R403.5.17 Climatic Design Conditions
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- HVAC equipment shall be sized according to the ACCA Manual S or an equivalent method, based on the building's heating and cooling load calculations by using ASHRAE Handbook of Fundamentals or the ACCA Manual J. Oversizing of heating equipment shall not exceed 40 percent of the calculated load requirements and oversizing of cooling equipment shall not exceed 15 percent of the calculated load requirements.
- Design conditions shall be determined according to Table 403.5.17. Design condition adjustments may be determined by the building official if local climates differ from the tabulated temperatures based on local climate data.
TABLE R403.5.17 CLIMATIC DATA DESIGN CONDITIONS
|CITY||SUMMER Db/Wb °F||WINTER Db °F|
|Thief River Falls||82/68||-25|
|For SI: °C = [(°F)-32]/1.8.|
|Db = dry bulb temperature, degrees Fahrenheit.|
|Wb = wet bulb temperature, degrees Fahrenheit.|
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