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Old 02-15-2014, 07:23 PM   #16
trailer Rails
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Quote:
Originally Posted by broncobowsher View Post
That cycles backwards from what the OP is desiring. Baseboard thermostats open on rise, the OP needs the contacts to close on temperature rise.

I was pointing out the post above about using a relay with a regular thermostat. You would also need to add a power supply that could run the thermostat and relay, thus overly complicated.
Oops, yea, backward. Wonder if they make 110v cooling thermostats?
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Old 02-16-2014, 12:40 PM   #17
Spam16v
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I say again how about a regular thermostat? Mine runs on 2 AA batteries. Simple 110v relay...problem solved...
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Old 02-16-2014, 07:59 PM   #18
broncobowsher
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Originally Posted by Spam16v View Post
I say again how about a regular thermostat? Mine runs on 2 AA batteries. Simple 110v relay...problem solved...
More then likely the 2AA is a backup. You would still need a power supply to power the relay. The thermostat is just a switch, you need power for that switch to turn on and off. Not line voltage for a regular thermostat or we would not need this thread.

So yes, your thermostat has 2AA batteries in it. I have owned several that didn't even have that. How long would a pair of AA batteries last powering a relay (if it even worked that way, which it doesn't)? I can get a couple hours out of a standard flashlight on a pair of AAs. A good relay will suck more power then a tiny incandescent bulb. So there are too many flaws in this plan. Give up on a standard thermostat. Yes, it can be made to work. But isn't simple, and there are simple solutions to this problem.
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Old 02-17-2014, 02:10 PM   #19
BrianCa
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I would consider something like this:

http://www.amazon.com/Thermostat-Swi...ref=pd_cp_hi_2
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Old 02-20-2014, 10:14 AM   #20
Plaka
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Originally Posted by nomad guy View Post
Hi All,

Part of a remodel project at a customer's house is an audio room.
Basically a large closet size room where all the electronics are going to reside on a designated rack.
A temp of no more then 75F needs to be maintained in the room.
We installed a Panasonic 50cfm Whisper Ceiling exhaust fan.
I need a a thermo-switch to control the fan.
It needs to fit either in a single/double gang box or inside the fan housing.
Any ideas of a model and where to source would be welcomed.
You got 50CFM worth of air inlet (low down) to the room, right?
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Old 02-21-2014, 07:37 PM   #21
climberevan
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Another thing to consider (especially if the house is newer) is that the exhausted air will have to be replaced somehow. I would expect that fan to be running a LOT (amps and whatnot can create quite a bit of heat), and if the house is really air-tight (as it should be), you'll have to provide a way for the air to come in.

Alternatively you could vent the air back into the conditioned space--perhaps into an adjacent room. The Panasonic fans are great, btw. I recommend them to all of my customers, who are universally impressed at how quiet they are. I recently used one in a recording studio mix room to ventilate some electronics, and even those discerning ears found it acceptable.
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