Roof Top Unit Disconnect Breaker

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mepengineer

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Location
New York, NY
I am trying to calculate the size of disconnect breaker and i am a bit confused by the SF Hp and RF Hp
I and the electrical data.
DO i calculated SF Hp FLA*1.25 and sum of the rest or i do 250% of total FLA
 

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david luchini

Moderator
Staff member
Location
Connecticut
Occupation
Engineer
I am trying to calculate the size of disconnect breaker and i am a bit confused by the SF Hp and RF Hp
I and the electrical data.
DO i calculated SF Hp FLA*1.25 and sum of the rest or i do 250% of total FLA

They tell you the breaker size in the "electrical data" section.
 
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