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Old 12-11-2011, 11:36 PM   #1
Monkey55
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Hey,

I built a son of a fermentation chiller and have it in my garage. Now my garage dips to the 40's at night and I'm building a can heater - Wort-O-Matic: Fermentation Can Heater

I already have a thermostat rigged up for my cooling. Now I need to setup the can heater with a SSR relay.

Will this relay work?
http://www.amazon.com/Temperature-Co...3641200&sr=1-4

I know it's a 240v relay, but I'm assuming that it will work with 120v.


Thanks,
E

 
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Old 12-11-2011, 11:38 PM   #2
Monkey55
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Or, should I get this one.

http://www.amazon.com/40A-SSR-Solid-...pd_sim_sbs_e_3

 
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Old 12-11-2011, 11:56 PM   #3
stlbeer
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Those are both 40DA SSR's. Switched voltage can be 30-380V. They are rated for 40A. If you're going to use 120V, then you should be fine since normal household amperage is 15 and stepped up is 20A. Make sure you order a heat sink and some thermal compound if you don't have it already.

 
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Old 12-12-2011, 12:29 AM   #4
joeybeer
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FWIW, I just use a 60 watt light bulb.. easy peasy

 
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Old 12-12-2011, 12:33 AM   #5
TrainSafe
 
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Quote:
Originally Posted by joeybeer
FWIW, I just use a 60 watt light bulb.. easy peasy
Me too. Incandescent bulds generation about 75% heat and 25% light from input energy.

 
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Old 12-12-2011, 12:54 AM   #6
Monkey55
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Quote:
Originally Posted by stlbeer View Post
Those are both 40DA SSR's. Switched voltage can be 30-380V. They are rated for 40A. If you're going to use 120V, then you should be fine since normal household amperage is 15 and stepped up is 20A. Make sure you order a heat sink and some thermal compound if you don't have it already.
Thanks for the info. I had no idea that they needed a heat sink..

Quote:
Originally Posted by joeybeer View Post
FWIW, I just use a 60 watt light bulb.. easy peasy
Quote:
Originally Posted by TrainSafe View Post
Me too. Incandescent bulds generation about 75% heat and 25% light from input energy.
How hot does the light bulb get your chambers? I'm was think that it would get it too warm.

Thanks.
E

 
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Old 12-12-2011, 01:55 AM   #7
OneHoppyGuy
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That's what a thermostat is for. How did you plan to turn your relay on and off?

 
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Old 12-12-2011, 02:05 AM   #8
Monkey55
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I have a thermostat. I guessed I assumed that Joeybeer and Trainsafe just put the light in there without a thermostat.

E

 
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Old 12-12-2011, 01:20 PM   #9
ChuckO
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An SSR rated at 25 amps shouldn't need a heat sink if it's only operating a 60w light bulb. The current draw is only about .5 amps and won't cause the heat sink to overheat even without a heat sink.

 
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Old 12-12-2011, 04:03 PM   #10
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If you put a lightbulb is there any risk of UV exposure to your fermenting beer? I know UV production is low on those bulbs but just a thought.

I use a bulb in my kegerator and ferm chamber but I ferment in kegs.

 
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