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Inspecting HVAC Systems Topics include heating, venting, and air conditioning inspections.

 
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  #1  
Old 7/16/10, 6:13 AM
Joshua L. Frederick Joshua L. Frederick is offline
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Default Electric air handler wiring
Newer Rheem electric air handler in attic. Breaker in electrical for panel was 100 amp. There were 2 breakers/disconnects on side of unit- 60 amp. The boiler plate says maximum overcurrent protection 70/80. The 100 amp breaker would be to large, correct? Or do the 60 amp breakers on the unit suffice? Thanks in advance.
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Old 7/16/10, 8:23 AM
Joshua L. Frederick Joshua L. Frederick is offline
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Default Re: Electric air handler wiring
Anyone??? I'm trying to get this report out of the way so me & the wife can get outta dodge and enjoy our 5th anniversary!! Thanks.
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Old 7/16/10, 8:26 AM
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Michael Larson Michael Larson is offline
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Default Re: Electric air handler wiring
Quote:
Originally Posted by jfrederick View Post
Newer Rheem electric air handler in attic. Breaker in electrical for panel was 100 amp. There were 2 breakers/disconnects on side of unit- 60 amp. The boiler plate says maximum overcurrent protection 70/80. The 100 amp breaker would be to large, correct? Or do the 60 amp breakers on the unit suffice? Thanks in advance.
The 100 amp breaker is protecting the conductors to the remote disconnect on the side of the unit not the unit itself.


So from the info you have given it looks OK.


You can argue with intelligent people but to argue with a mush head is like trying to grab fog-Thomas Sowell

Never underestimate the difficulty of changing false beliefs by facts. - Henry Rosovsky-Harvard

Michael Larson
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Old 7/16/10, 9:08 AM
Joshua L. Frederick Joshua L. Frederick is offline
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Default Re: Electric air handler wiring
Quote:
Originally Posted by mlarson View Post
The 100 amp breaker is protecting the conductors to the remote disconnect on the side of the unit not the unit itself.


So from the info you have given it looks OK.
So what should the breaker, in the main electrical panel, be sized at??
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Old 7/16/10, 9:11 AM
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Michael Larson Michael Larson is offline
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Default Re: Electric air handler wiring
Quote:
Originally Posted by jfrederick View Post
So what should the breaker, in the main electrical panel, be sized at??
For the size of the wire between the panel and the remote disconnect.


You can argue with intelligent people but to argue with a mush head is like trying to grab fog-Thomas Sowell

Never underestimate the difficulty of changing false beliefs by facts. - Henry Rosovsky-Harvard

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