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New Member
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Jan 27, 2008, 03:44 PM
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Wiring issue going to a hunter 44155c
Hello,
Here is my issue I had an old mercury type honeywell thermostat... when I took it apart it had 6 wires connected to it...
A black one which is connecte to G
A blue one which I have connected to nothing
A red one connected to RH... that is jumpered to rc
Orange connected to Y/O
White connected to W/B
Yellow connected to Y1
I have no idea if this is correct... the heat comes on for sure but doesn't shut off when the desired temp is reached
The a/c comes on but I am not sure it is pumping out cold air... this too doesn't shut off when the desired temp is reached... it appears like the a/c part shuts off but the fan keeps running
The one thing about the old unit I noticed and did not under stand where the orange and white wires... white connected to the center post on the right side of the honeywell but then also connected to the bottom one where the orange was too... does this make sense..
The unit is a trane and from what I can read on the front is appears like it has an electric heater in it
I do notice when I turn the heat button on it makes this noise like water rushing though the pipes and the pipes get really hot for a bit but eventually cool down... the same thing happens when I put it on a/c except the pipes stay really cold...
Any help would be greatly appreciated
Also when you disconnected y1 it appears like everything still comes on and I'm checking to see if the same issue exists about not turning off
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Junior Member
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Jan 27, 2008, 03:46 PM
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The wires are crossed... you only need three wires to make both heat and air work red white and white
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New Member
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Jan 27, 2008, 03:55 PM
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Originally Posted by wolfcandy2
The wires are crossed....you only need three wires to make both heat and air work red white and white
Red white and black? Why were there 6 connected to begin with?
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Junior Member
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Jan 27, 2008, 03:57 PM
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I have 8 wires going to my thermo and don't know why that is when you need three... red for power,there should be 2 white ones that's for heat and air... I think green is the temp switch
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New Member
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Jan 27, 2008, 04:00 PM
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Originally Posted by wolfcandy2
I have 8 wires going to my thermo and dont know why that is when you need three......red for power,there should be 2 white ones thats for heat and air....I think green is the temp switch
These are the only colors I have and where they are connected
A black one which is connected to G
A blue one which I have connected to nothing
A red one connected to RH... that is jumpered to rc
Orange connected to Y/O
White connected to W/B
Yellow connected to Y1
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Junior Member
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Jan 27, 2008, 04:04 PM
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Are those the wires coming from the wall or what came into the thermo
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New Member
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Jan 27, 2008, 04:30 PM
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Originally Posted by wolfcandy2
are those the wires coming from the wall or what came into the thermo
They are the ones from the wall that connect to the unit... when the old honeywell one was there it used all 6...
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Junior Member
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Jan 27, 2008, 04:31 PM
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You may have to replace it with another honeywell
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New Member
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Jan 28, 2008, 01:33 PM
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Does anyone else have an opinion on this?
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Heating & Air Conditioning Expert
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Jan 28, 2008, 04:24 PM
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If you have a heat pump you will need more that 3 wires.
Look at the beginning of this board for wiring colors and what they mean.
If it is cold in your area do not try and run the A/C to test. You might damage it.
One of the wires controls the reversing valve in the heat pump. This is where your problem could be. It could be interchanged or placed on the wrong area.
Check sticky notes and you may have to trace the wires down since not all HVAC guys use the correct wiring code.
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New Member
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Jan 28, 2008, 04:56 PM
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Originally Posted by hvac1000
If you have a heat pump you will need more that 3 wires.
Look at the beginning of this board for wiring colors and what they mean.
If it is cold in your area do not try and run the A/C to test. You might damage it.
One of the wires controls the reversing valve in the heat pump. This is where your problem could be. It could be interchanged or placed on the wrong area.
Check sticky notes and you may have to trace the wires down since not all HVAC guys use the correct wiring code.
Do you have any idea why the orange and white would be jumpered together on the bottom post of the old honeywell...
You might be right about the a/c not getting cold due to it being so cold outside...
The heater does come on and heat up but the unit never shuts down...
What is a heat pump how do you figure out if you have one?
Why do the two pipes going into the trane unit get really hot like hot water is gushing into the system when I flip the thermostat switch over to heat?
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Heating & Air Conditioning Expert
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Jan 28, 2008, 05:17 PM
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((why do the two pipes going into the trane unit get really hot like hot water is gushing into the system when I flip the thermostat switch over to heat?))
((what is a heat pump how do you figure out if you have one? ))
You answered your own question. You have a heat pump.Hot lines indicate a heat pump in the heat pump mode.
((you might be right about the a/c not getting cold due to it being so cold outside... ))
A/C is are not designed to run in cold temperatures. The same unit running in the heat pump mode is OK just do not switch to A/C when cold.
((the heater does come on and heat up but the unit never shuts down.))
It is not reaching the temp set for at the thermostat OR something is wired wrong OR the fan relay is defective.
((do you have any idea why the orange and white would be jumpered together on the bottom post of the old honeywell... ))
NO unless someone modified the wiring for a reason or it would not work any other way.
All out on this one. Below is you next job.
Check sticky notes and you may have to trace the wires down since not all HVAC guys use the correct wiring code.
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New Member
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Jan 28, 2008, 05:46 PM
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Originally Posted by hvac1000
((why do the two pipes going into the trane unit get really hot like hot water is gushing into the system when i flip the thermostat switch over to heat?))
((what is a heat pump how do you figure out if you have one??))
You answered your own question. You have a heat pump.Hot lines indicate a heat pump in the heat pump mode.
((you might be right about the a/c not getting cold due to it being so cold outside...))
A/C is are not designed to run in cold temperatures. The same unit running in the heat pump mode is OK just do not switch to A/C when cold.
((the heater does come on and heat up but the unit never shuts down.))
It is not reaching the temp set for at the thermostat OR something is wired wrong OR the fan relay is defective.
((do you have any idea why the orange and white would be jumpered together on the bottom post of the old honeywell....))
NO unless someone modified the wiring for a reason or it would not work any other way.
All out on this one. Below is you next job.
Check sticky notes and you may have to trace the wires down since not all HVAC guys use the correct wiring code.
There is one thing... let say you have a program set... heat the room to 68... and you manually override it to 72 or something... the heat will stay on even when it hits 72 75 80... then only way it will shut off is when the program hits that next 4 hour time limit and it drops back down to 68
Also there are settings behind the thermostat
Hg and he... its on hg but am not sure what it should be on
Std and hp... I assume I have to switch this to HP... right now I switched it back to std for testing
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Heating & Air Conditioning Expert
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Jan 28, 2008, 06:46 PM
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Hunter thermostats are JUNK to start with. Buy a good stat. Honeywell or White Rodgers. Your temp should not vary that much.
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New Member
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Jan 29, 2008, 01:12 PM
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Originally Posted by hvac1000
Hunter thermostats are JUNK to start with. Buy a good stat. Honeywell or White Rodgers. Your temp should not vary that much.
I understand that the hunter is garbage but at this point it is all I could afford
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Heating & Air Conditioning Expert
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Jan 29, 2008, 03:04 PM
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((I understand that the hunter is garbage but at this point it is all I could afford))
I understand the economy of things today. Sometimes it is better just not to have something until you can afford the best.
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New Member
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Jan 29, 2008, 03:24 PM
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Originally Posted by hvac1000
((i understand that the hunter is garbage but at this point it is all i could afford))
I understand the economy of things today. Sometimes it is better just not to have something until you can afford the best.
I by nature don't give up until I make something work
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Heating & Air Conditioning Expert
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Jan 29, 2008, 04:40 PM
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I have always been called a bull headed person so I guess we are in the same boat. Good luck with your project.
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