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-   -   Relay - I think ?? (http://www.diychatroom.com/f18/relay-i-think-36246/)

DIY_SRG 01-18-2009 11:17 AM

Relay - I think ??
 
This may be the wrong forum as it is an electrical question associated with HVAC, but here goes anyway.
I need to add an accessory to my HVAC furnace. The electrical panel allows for addition of accessories wired to the panel so that they are enganged when the system is. The problem is that when I look at the specs on the panel, no accessory can draw more than one amp. This accessory draws 1.67 amp (at 110VAC). Can I get appropriate power elsewhere and install an inexpensive relay that accepts the 110v source from the HVAC panel to trip a relay that allows the flow of 110v from another source to power the accessory?

If so what device is recommended and where can I get it?

Thanks in advance

ctsmiths 01-18-2009 11:36 AM

Relay is the way to go, you need to go to a electricial supply, possibly a HVAC supply( dont know if they have relays like that) just tell them you need relay that uses a 110 v ac coil and is rated for at least 5 amps on the contacts. They should be able to get you what you need.

chris75 01-18-2009 01:18 PM

I like these myself...

http://www.functionaldevices.com/jpg/RIBU1C.jpg

http://www.functionaldevices.com/pdf/RIBU1C.pdf

ctsmiths 01-18-2009 01:57 PM

Thats a good one. I dont run into to many residential relays, I deal with industrial stuff mostly, but I have to remember this one cuz im sure Ill need one at some point.

DIY_SRG 01-18-2009 04:47 PM

Relay
 
Quote:

Originally Posted by ctsmiths (Post 214916)
Relay is the way to go, you need to go to a electricial supply, possibly a HVAC supply( dont know if they have relays like that) just tell them you need relay that uses a 110 v ac coil and is rated for at least 5 amps on the contacts. They should be able to get you what you need.

Thanks to all that replied - I will heed the great advice :)


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