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I have a 4 wire American Standard thermastat and am trying to change it to a 3M-22. My wires are a red (R), a green (G1), a white (W1) and a blue (W2).I have no clue where to put them on the new thermastat and not sure if I have a "c wire" at all. Can anyone help...PLEASE!!!

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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koolbreezes
  • 540 Answers

SOURCE: ac heat carrier thermastat model no.hh01ad042

GOto the iside unit itself. and remove the door and look for a terminial strip that the thermostat wires from the thermostat connects to and write down the colors wires and the letters they're connected to and connect the same to the thermostat .... they should be... r--red=power w-white=heat y--yellow=cool g-- green=fan! See which wires/ colors they're not using and bend back! Thank-you-very-much!

Posted on Sep 01, 2008

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  • 2 Answers

SOURCE: I have a Ruud thermostat want to change to totaline p274-0200-c

new stat
S1
S2
O/W2/B
R
C
Y/Y2
G
W/W1

Thanks for your help

Posted on Nov 25, 2008

  • 127 Answers

SOURCE: a duo therm thermostat (p/n 3105058) was removed

a. Remove the cover of the thermostat.
b. Connect the RED wire from the air conditioner
to the “RC” terminal on the thermostat.
c. Connect the “YELLOW” wire from the air conditioner
to the “Y” terminal on the thermostat.
d. Connect the “BLUE” wire from the air conditioner
to the “H” terminal on the thermostat.
e. Connect the “ORANGE” wire from the air conditioner
to the “G” terminal on the thermostat.
f. Push the thermostat wires into hole in wall and
fill excess hole with insulation.
g. Mount thermostat base to the wall with screws
provided.
h. Check all thermostat wires on base to ensure
they are completely clear of the bimetal coil of
the thermostat. Adjust if necessary.
i. Replace thermostat cover.
If nothing operates on the air conditioner, remove the
return air grille assembly and verify the red, orange, yellow
and blue wires are properly connected (red-to-red,
orange-to-orange, etc.).
Next, disconnect the red wires and check for 12 volt
DC between the red wire from roof section and the orange
or blue wire from roof section. If no voltage received,
refer to Section F2. If voltage is received, the
problem lies with the thermostat or thermostat wires.
Next, disconnect all 4 wires (red, orange, yellow and
blue) from the thermostat. With the thermostat set on
COOL mode, FAN mode set on AUTO and HIGH, and
temperature selector set lower than the room temperature. Check for continuity between terminal RC (red wire)
and terminal G (orange wire); and RC (red wire) and
terminal H (blue wire). If continuity is achieved on each,
proceed with the next step.
Set fan switch to LOW. Continuity should NOT be present
between terminal RC and Terminal H, but present between
the other terminals (Y & G) and terminal RC.
If all of the previous checks are good, the thermostat is
good, do not replace it. If any one of the previous checks
are not correct, replace the thermostat.

Posted on Jun 29, 2009

  • 1 Answer

SOURCE: Trane Weathertron XE1000 Thermostat Wiring

my weathertron heat pump stopped putting out heat

Posted on Jan 13, 2010

SOURCE: Replaced Bryant T-stat model TSTATBBNB001 with Honeywell t-stat

Hello,You forgot to wire the O terminal w1 witch is the reversing valve.It is important to check if old stat is using O or B in witch case B terminal=w1 leaving O unused.

Posted on Apr 21, 2010

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I am trying to install a thermostat and I am not sure where to put all the wires... it is for american standard freedom 90 two stage - furnace and air conditioning


Should be like this:

Y from furnace goes to Y on thermostat (yellow)
C from furnace goes to C on thermostat (usually blue)
G from furnace goes to G on thermostat (green)
W1 (first stage heat) to w1 on thermostat(white)
w2 (second stage heat) to w2 on thermostat (black)

Doesn't sound like you have a heat pump but if you do "o" will also have to be connected which is the reversing valve.

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The wires are as follows:
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This is the wiring codes
2005 Dodge Ram 1500 Truck Car Radio Stereo Wiring Diagram
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Car Radio Illumination Wire: Orange/Dark Blue
Car Stereo Dimmer Wire: N/A
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Car Stereo Amplifier Location: Located behind the glove box.
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PLEASE GIVE ME A RATING AND VOTE YOU NEED TO FIGURE YOUR WIRES WRITE IT ALL DOWN AT UNITS AND THE OLD STAT
common is different by installer so you gotta look at the units or you will blow out your transformer this wire will be blue or brown
24v always red
compressor always yellow
fan always green
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heat w1 always white
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Sep 20, 2010 | Heating & Cooling

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Standard hook up for Heat pump.
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Mar 08, 2009 | Hunter Fan Company 5/1/1 Programmable...

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