Potter And Brumfield Relay Kup-5a15-120

 
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Old 01-18-2004, 12:56 PM   #1
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Potter And Brumfield Relay Kup-5a15-120


I am installing a new furnace and on the power venter there is a relay (poyter and brumfield kup-5a12-120) 120 in and it should switch down to 120 out on another leg of the relay but its not. Anyone know what makes it switch
 

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Old 01-18-2004, 01:56 PM   #2
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Re: Potter And Brumfield Relay Kup-5a15-120


24v from w to c

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Old 01-19-2004, 06:13 AM   #3
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Re: Potter And Brumfield Relay Kup-5a15-120


Steve
Field uses the potter Blumbfiled type relays, I am not sure as I do not have one in front of me but it is a plug in type relay.
Line voltage I think enters from the upper vertical pins as a switch leg, the lower pins that are horz are for the 24Vt coil.
Power enters the relay box, and then a neut would go to the blower motor and then to the transformer.
When the relay is made 24 vts runs throught the relay and into a time delay, to a pressure switch before it allows the burner to light.
I have had to replace these relays in the past as they do wear, Granger sales this relays give them a call as they stock it.

Bernie
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