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I am replacing a white-rodgers thermostat with a blue wire connected to a terminal label '4'. The only other reference to a '4' terminal is in the honerwell installation manual which says that if there is both an r and 4 terminals on the old thermostat it was incompatible. I returned it for a ritetemp guaranteed to be compatible though I'm still not sure what to do with the blue wire. on the old thermostat the red wire goes to rc, the yellow to y, white to w, and green to g. Does blue just go t


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Blue just goes to B

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I am replacing a white-rodgers thermostat with a blue wire connected to a terminal label '4'. The only other reference to a '4' terminal is in the honerwell installation manual which says that if there is both an r and 4 terminals on the old thermostat it was incompatible. I returned it for a ritetemp guaranteed to be compatible though I'm still not sure what to do with the blue wire. on the old thermostat the red wire goes to rc, the yellow to y, white to w, and green to g. Does blue just go t


Blue just goes to B ... Air Conditioners

I have a Janitrol Heat Pump Thermostat HPT-18-60 and need assistance connecting my new Honeywell RTH7500D thermostat I have a Goodman Heat Pump System Indoor Unit Model#AWB24-05C REV D Outdoor Unit Model#CPLE18-1 Here is the wiring of the old thermostat Y-Yellow Wire G-Green Wire R-Red Wire O-Orange Wire W2-White Wire E-Blue Wire C-Black Wire Where should each of these be connected to the new thermostats terminals?


... Air Conditioners

Want to replace a T874R1434 thermostat with aux heat with a visionpro th8000. Have a blue wire connected to the B terminal on old thermostat and what looks like a brown wire connected to the X terminal on old thermostat. Where would these be connected on the visionpro th8000 thermostat.


Its kinda difficult to know exactly what the wires could go to considering its all in the way the technician decided to hook them up and everybody has different ideas. I can tell you the most common use of the colors and see if that helps. Depending ... Ruud UBHC Air Conditioner

Thermostat with 4 wires, red, green, white and blue; no yellow wire to connect to new thermostat


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Installed a new Filtrete thermostat on a new Carrier high-efficiency furnace. I followed instructions exactly. It doesn't work. What did I do wrong? Furnace was installed in December. Broom handle cracked faceplate of Carrier thermostat and rendered it inoperable. Installed new thermostat according to instructions. Connected white wire (labeled V+ on the old Carrier thermostat) to the W terminal on the new Filtrete thermostat. Connected red wire (labeled Vg on the old Carrier thermostat) to the


Thanks for the update, regarding the thermostat.Hope replacing the thermostat resolves the problem.Keep updated.Thanks.Helpmech. ... Air Conditioners

I have a Trane Heater/AC unit no heat pump with a thermostat model 802AS32DAA that has seven wires. I am going to a five wire heating/cooling thermostat. What do i do with the two extra wires? old thermostat red wire-RC slot (24 V from A/C) white wire-W1 (???) yellow wire-Y (A/C Compressor) green wire-G (A/C Fan) black wire-B (?????) Blue wire-Y2 (????) orange wire-W2 (24 V to Furnace new thermostat therminals G Rc Rh Y/O W/B Y1 Can you tell me what wires to connect to each


From Honeywell : "If your old thermostat had Six or more wires, the replacement you have is Wrong!" ... Air Conditioners

I am replacing a white rodgers thermostat with a honeywell rth3100c. i have matched my wire as e (brown) to e w2 (white) o aux y (yellow) to y g (green) to g o (orange) to o l blank r (red) t r b blank c blank now i have a blue wire which was hooked up to the x1 on the old thermostat. where does this wire go?


Blue (C) or sometimes (B) should be your common wire. Look at your schematics and locate common. Your Brown wire is (E) and is emergency heat, white wire (W) is Auxilary Heat, green wire (G) is fan relay, red wire (R) is power, yellow wire (Y) is C ... Air Conditioners

Thermostat wiring I have a Frigidaire Model R4GA FWA and Central A/C system. I am trying to replace the thermostat with a programable Hunter model. I do not have the original wiring diagram and the old thermostat is no help. The wiring colors I have is Green, Red, Brown, Yellow, White and Orange-(not used). The terminals on the new thermostat are RH, RC, Y/O, W/B, G, and Y1.


Your best bet and where i would start is to identify where the coulors are conected at the fernace. in the industry we use standard wireing coulors wher green is g for fan and red is rh=switched trans power for heating . rc=switched transformer pow ... Air Conditioners

I have a carrier A/C system controlled by a carrier TSTATCCBAC01-B non-programmable thermostat with 4 wires connected as follow: white-W, green-G, red-R and blue-Y which I want to replace with a Honeywell T8601D programmable thermostat that has the following terminals available; C, OT,OT,R,B,W,Y,O, and G. My problem is that when I connect the wires on the Honeywell to the same terminals as they were on the carrier the system seems to work but only the fan turns on while the commpressor stays off


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I have a carrier air/heating unit with pump. It has 8 wires. Brown,blue, white, yellow, green, black, orange,and red. I'm trying to install honeywell thermostat. The wires from my unit are suppose to go into these honeywell (RTH3100C) thermostat slots. hONEYWELL WIRE SLOTS E Aux Y G O L R B C The only thing i have to go on is the wire colors from my wall which were not labeled or coded in any way. I am not sure about the model# of our unit because it is so old that the model# has faded away the


Turn the power off to the air handler. Open the control cover. Write down what color wires go together at the wiring terminal. All 8 wires are probably not used.\015\012Post the findings here.\015\012In most cases,\015\012E= brown-e ... Carrier Air Conditioners

I need to replace an old Thermostat that just has 3 wires coloured Red, Blue and Yellow. The Honeywell THR830TUK Thermostat I have bought shows 5 wires on the diagram. I'm not sure which wire goes into which Terminal. Can you please advise? Regards Tim


The honeywell THR830TUK thermostat does not require a neutral as shown in the instructions.Connect the LIVE to terminal "1" and your YELLOW SIGNAL wire to terminal "3".Connect your EARTH (if you have one) to the EARTH connection on the top left ... Air Conditioners

Changing out an old mercury thermostat to a digital thermostat. The old therm. has Y=yellow, G=green, R=red, O=orange, C=blue, W2=white and E connected by jumper. Extra wires are black and tan. New therm. has W,Y,C,R,G,O,E. Any assistance appreciated


Y=yellow (a/c)G=green (fan)O=orange (reversing valve)C=blue (common)R=red (hot)W=white, jumper to E (emergency heat) ... Amana Air Conditioners

"i'm replacing my Rheem RBGC 08KA FAU blower motor. My dayton 3lu83j 4 speed motor has white, black, red, yellow,orange, brown, and brown with stripe wires. My old westinghouse motor has only one brown wire, a blue and yellow (both taped capped and not used). do i leave the orange, yellow and brown with stripe unused". Or do i also connect the brown with white stribe to the shared terminal on the condenser.


There should be a wiring diagram on the side of the new motor.The brown and the brown w/ white go to the new capacitor you should have bought with the motor.The black and white go to your L1 & L2 power source. The remaining wires must ... Dayton Air Conditioners

I recently purchased a Honeywell RTH2520 thermostat. Our old mercury thermostat only has 2 wires, red and white or red and black. The new thermo has terminals Rh Rc W Y and G, with a red jumper in between Rh and Rc. Where do I connect the wires to? Do I have to take out the red jumper? Or leave it in while connecting to Rh and W...we have no AC


Use the RH & W terminals. You cannot connect it backwards so it's a breeze. ... Honeywell Air Conditioners

Thermostat Connection ________________________________________ I just purchased a rheem rqpm series 4ton packaged heat pump and a honeywell pro th4210d thermostat. I had 15 kwatt heat strips installed in the heatpump as I live in norther florida where the temp might drop to 20 degrees occasionally. I am unclear as to how to connect the thermostat. The wires coming from the heatpump unit are red, yellow, blue, green, white, and brown. The thermostat terminals are as such: E Aux Y G O L R B


Jumper E to Aux, OR B + O, G--green, R----red(power), & C--------common. w2---------white, Y.....Yellow and finally the Brown-----------PRCrossed my fingers too & go for it. worst is a warning hum &/or sparking one one terminal whic ... Air Conditioners

LENNOX HS26-048-3P Installing Honeywell wifi thermostat. C terminal on control board was connected to X on the old thermostat. The X terminal wire on the old thermostat is connected to the C terminal on the control board. I used this wire to connect to the thermostat C terminal and now the compressor fails to come on. The slow flashing lights indicate the thermostat is asking for cool and the fan comes on, compressor does not come on.


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I'm replacing my wall thermostat. The old thermostat was programmable and there are 3 wires coming out of the wall; Red, Blue, & White. The thermostat I'm putting in is not programmable and connections (2) are marked W and G. What goes to what?


Its got 3.... Find the r==red--or power..OK. ... Honeywell Air Conditioners

I am replacing a White Rogers 1F58-77 with a Honeywell RTH2300. When I removed the old stat the wire colors are white, red, orange, green, yellow, and blue. G- green wire Y- Yellow wire R- Red wire W- White wire O-Orange wire X1- Blue wire I hooked up all the wires except the blue. Instructions with the Honeywell unit said not to hook up the blue wire if there is an orange wire to hook up which I did. The problem, when I light off the A/C (heat pump) the compressor comes on but the


Yes you did correct. Tape of f blue wire. On your thermostat you should have el/gas turn top el and fan should work Russ ... Air Conditioners

I am installing a totaline progammable thermostat, the old one is a rheem, i hooked the b wire to the b terminal the r wire to the r terminal the g to the g terminal and the y to the y terminal the e l and o were not used, my problem is the old thermostat had a w2 and a x terminal the new one has aux and c which wire goe to which?


First off, make sure that the wires you are connecting at the thermostat match the circuit board of the unit. It is good practice, but not always followed to do a "1 for 1". To answer your question, W2 is simply when there is 2-stages of heating. ... Air Conditioners

My old thermostat has 8 wires, red, white, green, gray, black, orange, blue and yellow. I have the 44110 model need help connecting the wires


Open unit and see what wires are running what never trust the colors.white heat'yellow cool'red 24v,green fan,blue prob your com, ... Air Conditioners

A duo therm thermostat (p/n 3105058) was removed because it would not operate the air conditioner/heater in a firan fireside camper. it was knocked loose from the wall damaging it.the thermostat is for use in a six wire system.the camper wiring consists of of two bundles; one bundle of two conductors (red and white wires) and a bundle of four conductors(red,blue,white & green wires).the thermostat also has a high/low fan switch. the camper owner bought a white-rodgers model 300 thermostat to rep


A. Remove the cover of the thermostat.b. Connect the RED wire from the air conditionerto the “RC” terminal on the thermostat.c. Connect the “YELLOW” wire from the air conditionerto the “Y” termina ... Dometic Rooftop RV Air Conditioner

Wiring compressor Replaced defective fan motor on my a/c unit. Old motor had three wires: black, yellow, brown. New generic motor has black, white, brown, brown w/white stripe. This new motor came with a new two terminal capacitor. Old cap. had three terminals. The black and white wires from motor connect across the line voltage and the other two wires connect across the capacitor. After install and trying to run the unit, found that compressor turns on for about two seconds and shuts down, but


The two terminal cap is only for the new fan motor. Connect the compressor wire back where you found it, on the 3 terminal cap. It's the terminal marked, "herm". The "common" terminal on the 3 terminal cap must still be connected to one side of the ... Carrier 38CKC036 Air Conditioner

How to change 3 wire motor with 4 wire motor for outside ac unit fan motor?....old motor had blk wire going to a circuit board, also pur wire going to c terminal on cap, also brw wire going to f terminal on cap...... new motor , on the name plate , shows blk and wht wire going to line. also brw and brw/white stripe wires going to cap.... does the blk go to the same place as the old blk and the white does it go to the other line wire coming off the contactor? also which terminals do i attach t


You need this wire onto the "F"terminal- fan terminal as this is a 230 volt condenser fan motor all your doing is parrelling the cap ... Air Conditioners

I have a Rheem Gas Furnace with an old analog thermostat (Wires conneected to terminals R and 4 for the thermostat). I went to install a Rheem digital and programmable thermostat and it indicated that it would not work for that wire configuration (Instructions indicated that the thermostat would not work with wires to the #4 thermostat terminal). Is there a setting on the furnace circuit board I can change, or is there a digital, programmable thermostat one can use on this unit - Model RGDJ 12EA


If you have 2 wire at thermostat Terminals at furnace that the thermostat wire attach to should be R & W if your new thermostat has R & W terminals is should work, an easy thing to remember is the red wire on R the white wire on W. If 4 wire ... Air Conditioners

Condenser outside Aight,,, so i finally got power to it outstide,, now, to get it to work i had to bypass some wires,,,, from thermostat to furnace and then to outside we wind up with red and white wires.... both hace power,,, now,,, the white connects to and follows a blue wire.... blue wire goes down and inside this white tube lookin thing... this thing is attatched to copper pipe,,, another or possibly same wire comes out,,, thats where the power stops and fail to turn the motor on,,, what is


You could br=e low on r-22. sounds like the thing is a pressure switch ... Ruud UBHC Air Conditioner

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