Fan Control Relay gets hot


  #1  
Old 04-25-06, 03:53 PM
K
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Fan Control Relay gets hot

I have an older gas furnace\AC (Bryant, 150,000 BTU). The Fan control Center has a relay that runs the the high speed fan winding when the AC is running or the Thermostat is set to Fan on.


I like to run the fan all the time, but the fan control relay gets very hot....the metal parts are too hot to touch! I replaced the relay but the new relay does the same thing

So the question is, is this normal?
is the heat due to current across the relay contacts or from the coil that energizes the it? SInce I only use one set of poles in the relay would it makes sense to tie them together to half the current flowing through each set of contacts.

Could there be a problem with the fan?

Anyway, any help would be appreciated.

 
  #2  
Old 04-25-06, 04:12 PM
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is the heat due to current across the relay contacts or from the coil that energizes the it?
From the coil. This is normal.
 
 

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