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here is the wiring from man. f you have trouble figuring out the programing or what terminals to use in thermostat there is an help phone number. Be shure to turn off all power to unit and thermostat, remove batteries from thermostat.
The color code for thermostat wiring is as follows.
The "R" terminal is power into the stat from the boiler control transformer. Normally 24 volts. The "Y" terminal is for cooling. Normally left blank for a boiler. The "W" terminal is for heat. This one used to start the heating cycle.The "G" terminal is for fan operation. Probably not used for a boiler. Check the boiler terminal board for these functions and write down the wire color on each one. Match the boiler colors to the right function on the stat. If you need more than this, let me know.
The color of the wires is a guide only. The lettered terminals on the thermostat are important
To pay attention to. R- is 24 volt power w- is heat g- is for the fan y- is for your ac. Sometimes
The wire colors matchup sometimes they don't. Your blue wire should go to the y terminal
If you have ac.
On the thermosta there are terminals, what you need to do is look at the old thermostat that you are replacing and make a note to yourself; what color of wire goes to which terminals,, Rc, R, C, G, W, Y, O, ect.
This is because the installer can use any color of wire. Then just hook the wires up to the same lettered terminals. American Standard should be standard terminal setup.
You will have to look in the furnace to see what color wire goes to the varios terminals on the furnace it should be labeled R,W,G,Y record the wire colors to the terminals in the furnace and wire the thermostat accordingly.
the wires at the thermostat????...this can be very tricky because the colors could mean nothing...every installer can wire it differently...if they used one continuous thermostat wire it's not too bad....you have to go down to your furnace and look in the fan compartment or wherever the thermostat wires enter the furnasce....generally a brown wire with 5 wires colored inside....find the wires where they connect to the furnace circuit board , terminal strip or fan centre and write down all wires and their corresponding terminals...for example...Red wire is on "R"white wire is on "W" and they may not match their color....thats ok.....then connect them at the thermostat accordingly////if you only have 4 wires you will require the jumper wire between RH & RC ...if you have 5 wires...remove the jumper or ignore that....good luck :)
I think someone has used wiring that didn't come with the opener. One the rear of the motor unit are wiring terminals. The sensors connect to terminals 2 and 3. Whichever color wire is connected to terminal 2 goes to the screw marked white and the wire on terminal 3 goes to the screw marked black. This information is if you have a Craftsman or Chamberlain opener.
Typically if you are replacing a heat only thermostat you will have two or three wires. On the old thermostat these wires will be attached to terminals marked "R", "W" and maybe "G". Document what color wires goes to which terminal and transpose these to the new thermostat. If you have a heat and cool thermostat, you will have two or three more wires and connected to terminals labeled "C", "B" and "Y". Again, transpose these wires to the new thermostat as best you can.