Gas and Oil Home Heating Furnaces - Fan Control Relay gets hot
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Kamishki
04-25-06, 03:53 PM
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:thumbdn:
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.
:)
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:thumbdn:
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.
:)
furd
04-25-06, 04:12 PM
is the heat due to current across the relay contacts or from the coil that energizes the it?
From the coil. This is normal.
From the coil. This is normal.