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How to wire a White-Rogers multi-stage thermostat for basic furnace?

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How to wire a White-Rogers multi-stage thermostat for basic furnace? Pat Coghlan 07-06-2007
If you were  Registered and logged in, you could reply and use other advanced thread options
Posted by Jeffrey Lebowski on July 7, 2007, 2:12 am
: quoted-printable



Okay, so how does one handle the R/C terminal connections (which go =
to a block)?
Duh maybe if you read the freakin directions??? For that stat you =
need 5 wires for 1h/1c. Yes you have to make 5 connections to make it =
work, *AFTER* you have it programmed correctly.=20


Really nice the home dopot here, last time i got stat wire I got some =
doper dude dint know his ass froma hole.

4 times around, still couldn find 18-5

Finally found the 18-7 and gave it for the same price. =20
no=20

Want me to lead you by the hand in wiring and programming?? Let me =
know when you have made a deposit to my PayPal account.


Noon-Air wrote:=20

I have White-Rogers 1F95-371 multi-stage thermostat that I'd =
like to try and use with my plain vanilla residential furnace (Lennox).

Problem:
its a Lummox with a WR stat
- I only need it to control heat (W), fan (G) and AC (Y)
- The R and C terminals on the unit have red and black wires =
(respectively) soldered to a block which has 3 terminals on it (see =
http://www.white-rodgers.com/wrdhom/pdfs/06_Cat_pages/Cat_06_pg0161.pdf)
- If I connect W/G/Y plus the R wire, the display does not light =
up - presumably because it needs a full-time connection to T =
(transformer common)

Has anyone wired up one of these successfully and can I adapt it =
to my single-stage furnace?

Yup, lots of times

------=_NextPart_000_01CB_01C7C01A.C97D4020
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        charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=3DContent-Type =
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<BODY text=3D#000000 bgColor=3D#ffffcc>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"Noon-Air" &lt;<A=20
wrote in=20
message <A=20
=
7PQaRPbnZ2dnUVZ_t2tnZ2d@comcast.com</A>...</DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"Pat Coghlan" &lt;<A=20
message <A=20
=
16867$c3e8da3@news.astraweb.com</A>...</DIV>
<DIV><FONT face=3DVerdana>Okay, so how does one handle the R/C =
terminal=20
connections (which go to a block)?</FONT><BR><FONT face=3DArial =
color=3D#ff0000=20
size=3D2>Duh maybe if you read the freakin directions??? For that =
stat you=20
need 5 wires for 1h/1c. Yes you have to make 5 connections to make =
it work,=20
*AFTER* you have it programmed correctly. </FONT></DIV>
<DIV><FONT face=3DArial color=3D#ff0000 size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial color=3D#ff0000=20
size=3D2></FONT>&nbsp;</DIV></BLOCKQUOTE></BLOCKQUOTE>
<DIV dir=3Dltr><FONT face=3DArial color=3D#ff0000 size=3D2>Really nice =
the home dopot=20
here, last time i got stat wire I got some doper dude dint know his ass =
froma=20
hole.</FONT></DIV>
<DIV dir=3Dltr><FONT face=3DArial color=3D#ff0000 =
size=3D2></FONT>&nbsp;</DIV>
<DIV dir=3Dltr><FONT face=3DArial color=3D#ff0000 size=3D2>4&nbsp;times =
around, still=20
couldn find&nbsp;18-5</FONT></DIV>
<DIV dir=3Dltr><FONT face=3DArial color=3D#ff0000 =
size=3D2></FONT>&nbsp;</DIV>
<DIV dir=3Dltr><FONT face=3DArial color=3D#ff0000 size=3D2>Finally found =
the 18-7 and=20
gave&nbsp;it for the same price.&nbsp;&nbsp;</FONT></DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV dir=3Dltr><FONT face=3DArial color=3D#ff0000 size=3D2>no =
</FONT></DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV><FONT face=3DArial color=3D#ff0000 size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial color=3D#ff0000 size=3D2>Want me to lead you =
by the hand=20
in wiring and programming?? Let me know when you have made a deposit =
to my=20
PayPal account.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial color=3D#ff0000 size=3D2></FONT>&nbsp;</DIV>
<DIV>Noon-Air wrote: </DIV>
<BLOCKQUOTE cite=3Dmid:j5idnXTBPNovRBPbnZ2dnUVZ_r2onZ2d@comcast.com=20
type=3D"cite">
<META content=3D"MSHTML 6.00.6000.16481" name=3DGENERATOR>
<STYLE></STYLE>

<DIV>&nbsp;</DIV>
<BLOCKQUOTE=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: rgb(0,0,0) 2px solid; MARGIN-RIGHT: 0px">
<DIV>"Pat Coghlan" &lt;<A href=3D"mailto:news@coghlan.ca"=20
moz-do-not-send=3D"true">news@coghlan.ca</A>&gt; wrote in =
message <A=20
=
/A>...</DIV>
<DIV><FONT face=3DVerdana>I have White-Rogers</FONT> 1F95-371 =
multi-stage=20
thermostat that I'd like to try and use with my plain vanilla=20
residential furnace (Lennox).<BR><BR>Problem:<BR><FONT =
face=3DArial=20
color=3D#ff0000 size=3D2>its a Lummox with a WR stat</FONT><BR>- =
I only need=20
it to control heat (W), fan (G) and AC (Y)<BR>- The R and C =
terminals on=20
the unit have red and black wires (respectively) soldered to a =
block=20
which has 3 terminals on it (see&nbsp;<FONT face=3DVerdana><A=20
class=3Dmoz-txt-link-freetext=20
=
href=3D"http://www.white-rodgers.com/wrdhom/pdfs/06_Cat_pages/Cat_06_pg01=
61.pdf"=20
=
moz-do-not-send=3D"true">http://www.white-rodgers.com/wrdhom/pdfs/06_Cat_=
pages/Cat_06_pg0161.pdf)</A><BR>-=20
If I connect W/G/Y plus the R wire, the display does not light =
up -=20
presumably because it needs a full-time connection to T =
(transformer=20
common)<BR><BR>Has anyone wired up one of these successfully and =
can I=20
adapt it to my single-stage furnace?<BR></FONT></DIV>
<DIV><FONT face=3DVerdana><FONT face=3DArial color=3D#ff0000 =
size=3D2>Yup, lots=20
of=20
times</FONT></FONT></DIV></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BLOCKQU=
OTE></BODY></HTML>

------=
Posted by Pat Coghlan on July 7, 2007, 9:08 am
This is a multi-part message in MIME format.
--------------090108040807050209020204
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit

I think I can handle the programming (have a degree in computer science).

It's the hot/common connections that I'm not sure about. The R/C
terminals already have wires inserted and these wires go over to a
block...which also has screw terminals.

Do I wire directly to the terminals (which have a metal flange partially
covering them, as if to prevent you from using them) or to the block(s)?

The directions don't say ANYTHING about the on-board wires, other than
don't remove them.

-Pat

Noon-Air wrote:
>
>
> Okay, so how does one handle the R/C terminal connections (which
> go to a block)?
> Duh maybe if you read the freakin directions??? For that stat you
> need 5 wires for 1h/1c. Yes you have to make 5 connections to make
> it work, *AFTER* you have it programmed correctly.
>
> Want me to lead you by the hand in wiring and programming?? Let me
> know when you have made a deposit to my PayPal account.
>
>
> Noon-Air wrote:
>>
>>
>> wrote in message
>> I have White-Rogers 1F95-371 multi-stage thermostat that I'd
>> like to try and use with my plain vanilla residential furnace
>> (Lennox).
>>
>> Problem:
>> its a Lummox with a WR stat
>> - I only need it to control heat (W), fan (G) and AC (Y)
>> - The R and C terminals on the unit have red and black wires
>> (respectively) soldered to a block which has 3 terminals on
>> it
>> (see
http://www.white-rodgers.com/wrdhom/pdfs/06_Cat_pages/Cat_06_pg0161.pdf)
>> - If I connect W/G/Y plus the R wire, the display does not
>> light up - presumably because it needs a full-time connection
>> to T (transformer common)
>>
>> Has anyone wired up one of these successfully and can I adapt
>> it to my single-stage furnace?
>> Yup, lots of times
>>

--------------090108040807050209020204
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type">
<title></title>
</head>
<body bgcolor="#ffffcc" text="#000000">
<font face="Verdana">I think I can handle the programming (have a
degree in computer science).<br>
<br>
It's the hot/common connections that I'm not sure about.&nbsp; The R/C
terminals already have wires inserted and these wires go over to a
block...which also has screw terminals.<br>
<br>
Do I wire directly to the terminals (which have a metal flange
partially covering them, as if to prevent you from using them) or to
the block(s)?<br>
<br>
The directions don't say ANYTHING about the on-board wires, other than
don't remove them.<br>
<br>
-Pat<br>
</font><br>
Noon-Air wrote:
<blockquote cite="mid:oYednbYA87PQaRPbnZ2dnUVZ_t2tnZ2d@comcast.com"
type="cite">
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1">
<meta content="MSHTML 6.00.6000.16481" name="GENERATOR">
<div>&nbsp;</div>
<blockquote dir="ltr"
style="border-left: 2px solid rgb(0, 0, 0); padding-right: 0px; padding-left:
5px; margin-left: 5px; margin-right: 0px;">
<div>"Pat Coghlan" &lt;<a moz-do-not-send="true"
<a moz-do-not-send="true"
<div><font face="Verdana">Okay, so how does one handle the R/C
terminal connections (which go to a block)?</font><br>
<font color="#ff0000" face="Arial" size="2">Duh maybe if you read
the freakin directions??? For that stat you need 5 wires for 1h/1c. Yes
you have to make 5 connections to make it work, *AFTER* you have it
programmed correctly. </font></div>
<div>&nbsp;</div>
<div><font color="#ff0000" face="Arial" size="2">Want me to lead
you by the hand in wiring and programming?? Let me know when you have
made a deposit to my PayPal account.</font></div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div>Noon-Air wrote: </div>
<blockquote cite="mid:j5idnXTBPNovRBPbnZ2dnUVZ_r2onZ2d@comcast.com"
type="cite">
<meta content="MSHTML 6.00.6000.16481" name="GENERATOR">
<style></style>
<div>&nbsp;</div>
<blockquote
style="border-left: 2px solid rgb(0, 0, 0); padding-right: 0px; padding-left:
5px; margin-left: 5px; margin-right: 0px;">
<div>"Pat Coghlan" &lt;<a href="mailto:news@coghlan.ca"
moz-do-not-send="true">news@coghlan.ca</a>&gt; wrote in message <a
<div><font face="Verdana">I have White-Rogers</font> 1F95-371
multi-stage thermostat that I'd like to try and use with my plain
vanilla residential furnace (Lennox).<br>
<br>
Problem:<br>
<font color="#ff0000" face="Arial" size="2">its a Lummox with a
WR stat</font><br>
- I only need it to control heat (W), fan (G) and AC (Y)<br>
- The R and C terminals on the unit have red and black wires
(respectively) soldered to a block which has 3 terminals on it (see&nbsp;<font
face="Verdana"><a class="moz-txt-link-freetext"
href="http://www.white-rodgers.com/wrdhom/pdfs/06_Cat_pages/Cat_06_pg0161.pdf"
moz-do-not-send="true">http://www.white-rodgers.com/wrdhom/pdfs/06_Cat_pages/Cat_06_pg0161.pdf)</a><br>
- If I connect W/G/Y plus the R wire, the display does not light up -
presumably because it needs a full-time connection to T (transformer
common)<br>
<br>
Has anyone wired up one of these successfully and can I adapt it to my
single-stage furnace?<br>
</font></div>
<div><font face="Verdana"><font color="#ff0000" face="Arial"
size="2">Yup, lots of times</font></font></div>
</blockquote>
</blockquote>
</blockquote>
</blockquote>
</body>
</html>

--------------090108040807050209020204--

Posted by Noon-Air on July 7, 2007, 9:45 am
: quoted-printable

Its not rocket science, almost anybody can do it (except you)LOL
A degree doesn't mean that you can walk and chew bubble gum at the same =
time.
If you have a degree in computer science, you should be able to handle a =
simple wiring diagram, and hooking up 5 different colored wires. Whats =
the worse that can happen..... let the factory smoke out of a =
component?? blow a fuse?? make the heat and A/C come on at the same =
time??=20
The link you posted shows exactly where to hook up the wires, and you =
can't figure it out..... I guess your degree doesn't apply to simple =
wiring??=20
Call a local tech.

I think I can handle the programming (have a degree in computer =
science).

It's the hot/common connections that I'm not sure about. The R/C =
terminals already have wires inserted and these wires go over to a =
block...which also has screw terminals.

Do I wire directly to the terminals (which have a metal flange =
partially covering them, as if to prevent you from using them) or to the =
block(s)?

The directions don't say ANYTHING about the on-board wires, other than =
don't remove them.

-Pat

Noon-Air wrote:=20

Okay, so how does one handle the R/C terminal connections (which =
go to a block)?
Duh maybe if you read the freakin directions??? For that stat you =
need 5 wires for 1h/1c. Yes you have to make 5 connections to make it =
work, *AFTER* you have it programmed correctly.=20

Want me to lead you by the hand in wiring and programming?? Let me =
know when you have made a deposit to my PayPal account.


Noon-Air wrote:=20

I have White-Rogers 1F95-371 multi-stage thermostat that I'd =
like to try and use with my plain vanilla residential furnace (Lennox).

Problem:
its a Lummox with a WR stat
- I only need it to control heat (W), fan (G) and AC (Y)
- The R and C terminals on the unit have red and black wires =
(respectively) soldered to a block which has 3 terminals on it (see =
http://www.white-rodgers.com/wrdhom/pdfs/06_Cat_pages/Cat_06_pg0161.pdf)
- If I connect W/G/Y plus the R wire, the display does not =
light up - presumably because it needs a full-time connection to T =
(transformer common)

Has anyone wired up one of these successfully and can I adapt =
it to my single-stage furnace?

Yup, lots of times
------=_NextPart_000_005F_01C7C073.2F644160
Content-Type: text/html;
        charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE></TITLE>
<META http-equiv=3DContent-Type =
content=3Dtext/html;charset=3DISO-8859-1>
<META content=3D"MSHTML 6.00.6000.16481" name=3DGENERATOR></HEAD>
<BODY text=3D#000000 bgColor=3D#ffffcc>
<DIV><FONT face=3DArial size=3D2>Its not rocket science, almost anybody =
can do it=20
(except you)LOL</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>A degree doesn't mean that you can walk =
and chew=20
bubble gum at the same time.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>If you have a degree in computer =
science, you=20
should be able to handle a simple wiring diagram, and hooking up 5 =
different=20
colored wires. Whats the worse that can happen..... let the factory =
smoke out of=20
a component?? blow a fuse?? make the heat and A/C come on at the same =
time??=20
</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>The link you posted shows exactly where =
to hook up=20
the wires, and you can't figure it out..... I guess your degree doesn't =
apply to=20
simple wiring?? </FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Call a local tech.</FONT></DIV>
<DIV>&nbsp;</DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"Pat Coghlan" &lt;<A=20
message <A=20
=
16899$c3e8da3@news.astraweb.com</A>...</DIV><FONT=20
face=3DVerdana>I think I can handle the programming (have a degree in =
computer=20
science).<BR><BR>It's the hot/common connections that I'm not sure=20
about.&nbsp; The R/C terminals already have wires inserted and these =
wires go=20
over to a block...which also has screw terminals.<BR><BR>Do I wire =
directly to=20
the terminals (which have a metal flange partially covering them, as =
if to=20
prevent you from using them) or to the block(s)?<BR><BR>The directions =
don't=20
say ANYTHING about the on-board wires, other than don't remove=20
them.<BR><BR>-Pat<BR></FONT><BR>Noon-Air wrote:=20
<BLOCKQUOTE cite=3Dmid:oYednbYA87PQaRPbnZ2dnUVZ_t2tnZ2d@comcast.com=20
type=3D"cite"><META content=3D"MSHTML 6.00.6000.16481" =
name=3DGENERATOR>
<DIV>&nbsp;</DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: rgb(0,0,0) 2px solid; MARGIN-RIGHT: 0px">
<DIV>"Pat Coghlan" &lt;<A href=3D"mailto:news@coghlan.ca"=20
moz-do-not-send=3D"true">news@coghlan.ca</A>&gt; wrote in message =
<A=20
=
/A>...</DIV>
<DIV><FONT face=3DVerdana>Okay, so how does one handle the R/C =
terminal=20
connections (which go to a block)?</FONT><BR><FONT face=3DArial=20
color=3D#ff0000 size=3D2>Duh maybe if you read the freakin =
directions??? For=20
that stat you need 5 wires for 1h/1c. Yes you have to make 5 =
connections=20
to make it work, *AFTER* you have it programmed correctly. =
</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial color=3D#ff0000 size=3D2>Want me to lead =
you by the hand=20
in wiring and programming?? Let me know when you have made a =
deposit to my=20
PayPal account.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>Noon-Air wrote: </DIV>
<BLOCKQUOTE =
cite=3Dmid:j5idnXTBPNovRBPbnZ2dnUVZ_r2onZ2d@comcast.com=20
type=3D"cite">
<META content=3D"MSHTML 6.00.6000.16481" name=3DGENERATOR>
<STYLE></STYLE>

<DIV>&nbsp;</DIV>
<BLOCKQUOTE=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: =
5px; BORDER-LEFT: rgb(0,0,0) 2px solid; MARGIN-RIGHT: 0px">
<DIV>"Pat Coghlan" &lt;<A href=3D"mailto:news@coghlan.ca"=20
moz-do-not-send=3D"true">news@coghlan.ca</A>&gt; wrote in =
message <A=20
=
/A>...</DIV>
<DIV><FONT face=3DVerdana>I have White-Rogers</FONT> 1F95-371=20
multi-stage thermostat that I'd like to try and use with my =
plain=20
vanilla residential furnace (Lennox).<BR><BR>Problem:<BR><FONT =

face=3DArial color=3D#ff0000 size=3D2>its a Lummox with a WR=20
stat</FONT><BR>- I only need it to control heat (W), fan (G) =
and AC=20
(Y)<BR>- The R and C terminals on the unit have red and black =
wires=20
(respectively) soldered to a block which has 3 terminals on it =

(see&nbsp;<FONT face=3DVerdana><A =
class=3Dmoz-txt-link-freetext=20
=
href=3D"http://www.white-rodgers.com/wrdhom/pdfs/06_Cat_pages/Cat_06_pg01=
61.pdf"=20
=
moz-do-not-send=3D"true">http://www.white-rodgers.com/wrdhom/pdfs/06_Cat_=
pages/Cat_06_pg0161.pdf)</A><BR>-=20
If I connect W/G/Y plus the R wire, the display does not light =
up -=20
presumably because it needs a full-time connection to T =
(transformer=20
common)<BR><BR>Has anyone wired up one of these successfully =
and can I=20
adapt it to my single-stage furnace?<BR></FONT></DIV>
<DIV><FONT face=3DVerdana><FONT face=3DArial color=3D#ff0000 =
size=3D2>Yup,=20
lots of=20
=
times</FONT></FONT></DIV></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BLOCKQU=
OTE></BLOCKQUOTE></BODY></HTML>

------=
Posted by DIMwit on July 7, 2007, 10:05 am
the link you posted, Pat, clearly shows that R (24VAC hot) and C (24VAC
common) need to supply power to the thermostat itself. The block seems like
an extension of the R C terminals as you describe them, and as the picture
shows just as a matter of convenience in wiring. do you read 24VAC between R
and C with your meter?

you need to follow Nooner's advice and get a competent tech there,me thinks


Its not rocket science, almost anybody can do it (except you)LOL
A degree doesn't mean that you can walk and chew bubble gum at the same
time.
If you have a degree in computer science, you should be able to handle a
simple wiring diagram, and hooking up 5 different colored wires. Whats the
worse that can happen..... let the factory smoke out of a component?? blow a
fuse?? make the heat and A/C come on at the same time??
The link you posted shows exactly where to hook up the wires, and you can't
figure it out..... I guess your degree doesn't apply to simple wiring??
Call a local tech.

I think I can handle the programming (have a degree in computer science).

It's the hot/common connections that I'm not sure about. The R/C terminals
already have wires inserted and these wires go over to a block...which also
has screw terminals.

Do I wire directly to the terminals (which have a metal flange partially
covering them, as if to prevent you from using them) or to the block(s)?

The directions don't say ANYTHING about the on-board wires, other than don't
remove them.

-Pat

Noon-Air wrote:

Okay, so how does one handle the R/C terminal connections (which go to a
block)?
Duh maybe if you read the freakin directions??? For that stat you need 5
wires for 1h/1c. Yes you have to make 5 connections to make it work, *AFTER*
you have it programmed correctly.

Want me to lead you by the hand in wiring and programming?? Let me know when
you have made a deposit to my PayPal account.


Noon-Air wrote:

I have White-Rogers 1F95-371 multi-stage thermostat that I'd like to try and
use with my plain vanilla residential furnace (Lennox).

Problem:
its a Lummox with a WR stat
- I only need it to control heat (W), fan (G) and AC (Y)
- The R and C terminals on the unit have red and black wires (respectively)
soldered to a block which has 3 terminals on it (see
http://www.white-rodgers.com/wrdhom/pdfs/06_Cat_pages/Cat_06_pg0161.pdf)
- If I connect W/G/Y plus the R wire, the display does not light up -
presumably because it needs a full-time connection to T (transformer common)

Has anyone wired up one of these successfully and can I adapt it to my
single-stage furnace?

Yup, lots of times



Posted by on July 7, 2007, 12:14 pm

> the link you posted, Pat, clearly shows that R (24VAC hot) and C (24VAC
> common) need to supply power to the thermostat itself. The block seems
like
> an extension of the R C terminals as you describe them, and as the picture
> shows just as a matter of convenience in wiring. do you read 24VAC between
R
> and C with your meter?
>
> you need to follow Nooner's advice and get a competent tech there,me
thinks


Me thinks too...



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