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How to wire a White-Rogers multi-stage thermostat for basic furnace? Pat Coghlan 07-06-2007
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Posted by Pat Coghlan on July 6, 2007, 12:00 pm
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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:

- 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?

-Pat

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<head>
</head>
<body bgcolor="#ffffcc" text="#000000">
<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>
<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">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>
<br>
-Pat<br>
</font>
</body>
</html>

--------------040001090302060306030909--

Posted by Tony Hwang on July 6, 2007, 12:21 pm
Pat Coghlan 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:
>
> - 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?
>
> -Pat
Hi,
24V common lead is C. If your 'stat does not use battery you need 24V AC
from transformer by connecting R and C(two wires) So altogether you have
5 wires to 'stat. I am no expert. Just replaced a few 'stats. I like
Honeywell ones.

Posted by Pat Coghlan on July 6, 2007, 8:00 pm
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The funny thing about this thermostat is that the C and R terminals have
wires going to a block. There's also a metal flange covering the top of
the terminal, one would think to dissuade the user from connecting the
red/black wires there and, rather, connect them at the block.

Tony Hwang wrote:
> Pat Coghlan 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:
>>
>> - 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?
>>
>> -Pat
> Hi,
> 24V common lead is C. If your 'stat does not use battery you need 24V
> AC from transformer by connecting R and C(two wires) So altogether you
> have 5 wires to 'stat. I am no expert. Just replaced a few 'stats. I like
> Honeywell ones.

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Content-Type: text/html; charset=ISO-8859-1
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type">
</head>
<body bgcolor="#ffffcc" text="#000000">
<font face="Verdana">The funny thing about this thermostat is that the
C and R terminals have wires going to a block.&nbsp; There's also a metal
flange covering the top of the terminal, one would think to dissuade
the user from connecting the red/black wires there and, rather, connect
them at the block.</font><br>
<br>
Tony Hwang wrote:
Coghlan wrote:
<br>
<blockquote type="cite">I have White-Rogers 1F95-371 multi-stage
thermostat that I'd like to try and use with my plain vanilla
residential furnace (Lennox).
<br>
<br>
Problem:
<br>
<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
<a class="moz-txt-link-freetext"
href="http://www.white-rodgers.com/wrdhom/pdfs/06_Cat_pages/Cat_06_pg0161.pdf">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>
<br>
-Pat
<br>
</blockquote>
Hi,
<br>
24V common lead is C. If your 'stat does not use battery you need 24V
AC from transformer by connecting R and C(two wires) So altogether you
have 5 wires to 'stat. I am no expert. Just replaced a few 'stats. I
like
<br>
Honeywell ones.
<br>
</blockquote>
</body>
</html>

--------------060507060609090301000002--

Posted by Tony Hwang on July 7, 2007, 12:28 pm
Pat Coghlan wrote:

> The funny thing about this thermostat is that the C and R terminals have
> wires going to a block. There's also a metal flange covering the top of
> the terminal, one would think to dissuade the user from connecting the
> red/black wires there and, rather, connect them at the block.
>
> Tony Hwang wrote:
>
>> Pat Coghlan 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:
>>>
>>> - 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?
>>>
>>> -Pat
>>
>> Hi,
>> 24V common lead is C. If your 'stat does not use battery you need 24V
>> AC from transformer by connecting R and C(two wires) So altogether you
>> have 5 wires to 'stat. I am no expert. Just replaced a few 'stats. I like
>> Honeywell ones.
>
Hi,
Think parallel or daisy chain then. Matter is getting 24V AC to your 'stat.

Posted by Noon-Air on July 6, 2007, 8:09 pm
: quoted-printable


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
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Content-Transfer-Encoding: quoted-printable

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<HTML><HEAD>
<META http-equiv=3DContent-Type content=3D"text/html; =
charset=3Diso-8859-1">
<META content=3D"MSHTML 6.00.6000.16481" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY text=3D#000000 bgColor=3D#ffffcc>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<BLOCKQUOTE=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
=
21631$c3e8da3@news.astraweb.com</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 =
residential=20
furnace (Lennox).<BR><BR>Problem:<BR><FONT face=3DArial =
color=3D#ff0000 size=3D2>its=20
a Lummox with a WR stat</FONT><BR>- I only need it to control heat =
(W), fan=20
(G) and AC (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=20
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">http://www.white-rodgers.com/wrdhom/pdfs/06_Cat_pages/Cat_06_pg01=
61.pdf)</A><BR>-=20
If I connect W/G/Y plus the R wire, the display does not light up - =
presumably=20
because it needs a full-time connection to T (transformer =
common)<BR><BR>Has=20
anyone wired up one of these successfully and can I adapt it to my=20
single-stage furnace?<BR></FONT></DIV>
<DIV><FONT face=3DVerdana><FONT face=3DArial color=3D#ff0000 =
size=3D2>Yup, lots of=20
times</FONT></DIV></BLOCKQUOTE></FONT></BODY></HTML>

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