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Re: [Shop-talk] attic fan switches (does this exist?)

To: Peter Murray <peterwmurray@gmail.com> definitions=2020-07-30_11:2020-07-30, 2020-07-30 signatures=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-2004280000 definitions=main-2007300110
Subject: Re: [Shop-talk] attic fan switches (does this exist?)
From: Pat Horne <patintexas@icloud.com>
Date: Thu, 30 Jul 2020 08:08:12 -0700
Cc: Shop-Talk List <shop-talk@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: shop-talk@autox.team.net
References: <CAJ8HLP9XK5aCqwP5X=s+nrWm8u7K15unLu4W4YAGo0GnunB95w@mail.gmail.com>
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Peter, at 73, I=E2=80=99m not as able to pick up net programming languages l=
ike I used to. I have some arduino applications that I need to build. After I=
 finish my car restoration, hopefully this year, I=E2=80=99ll have time for p=
rogramming.=20

Keep well & cool. Only 95 here today. Better check the furnace!

Peace,
Pat

Pat Horne=20
We support Habitat for Humanity


On Jul 30, 2020, at 8:01 AM, Peter Murray <peterwmurray@gmail.com> wrote:

=EF=BB=BF
My solution is to have a switch in-line with the thermostat, in our upstairs=
 hallway. When I don't want to hear the fan at 11pm, I switch it off.

My fan in my attic has the standard mechanical thermostat that came with it.=
 I think I set it a hair too low, or the hysteresis is too broad, because it=
'll still be running at 11pm. Then again, we've had 27+ days of 90+ here in N=
orthern Virginia. It is nearly 11am here now and 89 degrees, and the fan is n=
ot on yet. (Hmm, did I turn the switch back on?)

I know, Pat's heart bleeds for me.

I like the idea of making operation of the fan a bit more sophisticated, but=
 writing Arduino code is likely more than my wife, 3 kids under 8 and self-e=
mployment will allow. I'm looking at Home Assistant and some Z-Wave devices,=
 but need to do more research before I start spending on hardware.

The problem I'd had was that I wanted the fan to run to reduce melting when w=
e had ice dams developing at the roof edge. Of course, the proper solution i=
s to improve my insulation up there!

-Peter

> On Thu, Jul 30, 2020 at 10:18 AM Pat Horne <patintexas@icloud.com> wrote:
> I=E2=80=99m not familiar with x-10 but I assume you will be using like a c=
ontroller for a table lamp where the output is a socket. If you have a contr=
oller with isolated contacts it=E2=80=99s even easier.=20
>=20
> If you want the x-10 to override  the thermostat so that the fan runs unti=
l you turn it off, all you need to do plug a relay into the controller & wir=
e its normally open contacts across the thermostat.=20
>=20
> Peace,
> Pat
>=20
> Pat Horne=20
> We support Habitat for Humanity
>=20
>=20
> On Jul 30, 2020, at 5:34 AM, eric@megageek.com wrote:
>=20
> =EF=BB=BFI have an attic fan that is on a thermostatic switch.=20
>=20
> I was wondering if there was a way that I can have it on a  thermostatic s=
witch AND a remote switch (like X-10)=20
>=20
> What happens is that  I want to turn on the fan on some nights or days, bu=
t it isn't hot enough to trigger it to go off.  If I reduce the temperature s=
etting, it stays on most on the time.=20
>=20
> But I do want it to go on if it gets too hot when I'm not home.=20
>=20
> Is there anything like this on the market?  I also couldn't figure out how=
 to wire 2 separate switches safely to accomplish this.=20
>=20
> Any ideas?=20
>=20
> Thanks.=20
>=20
> Mule
>=20
> "Be as beneficent as the sun or the sea, but if your rights as a rational b=
eing are trenched on, die on the first inch of your territory." Ralph Waldo E=
merson=20
> -Who is John Galt?_______________________________________________
>=20
> Shop-talk@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation  $12.96
> Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/arc=
hive
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/shop-talk/patint=
exas@icloud.com
>=20
> _______________________________________________
>=20
> Shop-talk@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation  $12.96
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hive
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/shop-talk/peterw=
murray@gmail.com
>=20
_______________________________________________

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ve

as@icloud.com


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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">Peter, at 73, I=E2=80=99m not as able to pi=
ck up net programming languages like I used to. I have some arduino applicat=
ions that I need to build. After I finish my car restoration, hopefully this=
 year, I=E2=80=99ll have time for programming.&nbsp;<div><br></div><div>Keep=
 well &amp; cool. Only 95 here today. Better check the furnace!</div><div><b=
r></div><div>Peace,</div><div>Pat<br><br><div dir=3D"ltr">Pat Horne&nbsp;<di=
v>We support Habitat for Humanity</div><div><br></div></div><div dir=3D"ltr"=
><br>On Jul 30, 2020, at 8:01 AM, Peter Murray &lt;peterwmurray@gmail.com&gt=
; wrote:<br><br></div><div dir=3D"ltr">=EF=BB=BF<div dir=3D"ltr"><div>My sol=
ution is to have a switch in-line with the thermostat, in our upstairs hallw=
ay. When I don't want to hear the fan at 11pm, I switch it off.<br></div><di=
v><br></div><div>My fan in my attic has the standard mechanical thermostat t=
hat came with it. I think I set it a hair too low, or the hysteresis is too b=
road, because it'll still be running at 11pm. Then again, we've had 27+ days=
 of 90+ here in Northern Virginia. It is nearly 11am here now and 89 degrees=
, and the fan is not on yet. (Hmm, did I turn the switch&nbsp;back on?)<div>=
<br></div><div>I know, Pat's heart bleeds for me.</div><div></div></div><div=
><br></div><div>I like the idea of making operation of the fan a bit more so=
phisticated, but writing Arduino code is likely more than my wife, 3 kids un=
der 8 and self-employment will allow. I'm looking at Home Assistant and some=
 Z-Wave devices, but need to do more research before I start spending on har=
dware.</div><div><br></div><div>The problem I'd had was that I wanted the fa=
n to run to reduce melting when we had ice dams developing at the roof edge.=
 Of course, the proper solution is to improve my insulation up there!</div><=
div><br></div><div>-Peter</div></div><br><div class=3D"gmail_quote"><div dir=
=3D"ltr" class=3D"gmail_attr">On Thu, Jul 30, 2020 at 10:18 AM Pat Horne &lt=
;<a href=3D"mailto:patintexas@icloud.com";>patintexas@icloud.com</a>&gt; wrot=
e:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.=
8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"aut=
o">I=E2=80=99m not familiar with x-10 but I assume you will be using like a c=
ontroller for a table lamp where the output is a socket. If you have a contr=
oller with isolated contacts it=E2=80=99s even easier.&nbsp;<div><br></div><=
div>If you want the x-10 to override &nbsp;the thermostat so that the fan ru=
ns until you turn it off, all you need to do plug a relay into the controlle=
r &amp; wire its normally open contacts across the thermostat.&nbsp;</div><d=
iv><br></div><div>Peace,</div><div>Pat<br><br><div dir=3D"ltr">Pat Horne&nbs=
p;<div>We support Habitat for Humanity</div><div><br></div></div><div dir=3D=
"ltr"><br>On Jul 30, 2020, at 5:34 AM, <a href=3D"mailto:eric@megageek.com"; t=
arget=3D"_blank">eric@megageek.com</a> wrote:<br><br></div><div dir=3D"ltr">=
=EF=BB=BF<font size=3D"2" face=3D"sans-serif">I have an attic fan that is on=
 a thermostatic
switch.</font>
<br>
<br><font size=3D"2" face=3D"sans-serif">I was wondering if there was a way t=
hat
I can have it on a &nbsp;thermostatic switch AND a remote switch (like
<br>
<br><font size=3D"2" face=3D"sans-serif">What happens is that &nbsp;I want t=
o
turn on the fan on some nights or days, but it isn't hot enough to trigger
it to go off.&nbsp; If I reduce the temperature setting, it stays on most
on the time.</font>
<br>
<br><font size=3D"2" face=3D"sans-serif">But I do want it to go on if it get=
s
too hot when I'm not home.</font>
<br>
<br><font size=3D"2" face=3D"sans-serif">Is there anything like this on the m=
arket?
&nbsp;I also couldn't figure out how to wire 2 separate switches safely
to accomplish this.</font>
<br>
<br><font size=3D"2" face=3D"sans-serif">Any ideas?</font>
<br><font size=3D"2" face=3D"sans-serif"><br>
Thanks.</font>
<br>
<br><font size=3D"2" face=3D"sans-serif">Mule<br>
<br>
"Be as beneficent as the sun or the sea, but if your rights as a rational
being are trenched on, die on the first inch of your territory." Ralph
Waldo Emerson <br>
-Who is John Galt?</font><span>_____________________________________________=
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