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Re: Relay used to control home appliance

Subject: Re: Relay used to control home appliance
From: Rich Grise
Date: Thu, 15 Jun 2006 16:38:09 GMT
Newsgroups: sci.electronics.basics
On Wed, 14 Jun 2006 16:52:28 -0700, jalamia@xxxxxxxxx wrote:
> Rich Grise wrote:
>> On Wed, 14 Jun 2006 01:19:05 -0400, DJ Delorie wrote:
>> > stratus46@xxxxxxxxx writes:
>> >> Call me dense, but why would you want to turn on/off a freezer like
>> >> it's a light ?
>> >
>> > I'm guessing you turn it on when the inside is too warm, and off when
>> > the inside is too cool.  I.e. thermostat.
>>
>> Aren't they kind of "built-in"?
>>
>> Thanks,
>> Rich
> The stamp based thermostat is actually a piece of a larger project but
> in short the freezer is being turned into a refridgerator and so would
> require a new thermostat, an upright freezer is being used because its
> cheaper, the correct dimensions, and much more aesthetically appealing
> for the project then a refridgerator.

How does the existing thermostat control the motor? Does it have a relay?
If so, you could use that one. Or if the thermostat itself is doing the
switching, then, of course, you'd go back to your original idea.

I would look for a relay that's specifically designed for motors, though;
maybe even a contactor, but you might not need that much heft.

Good Luck!
Rich


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