Help with air handler LV wiring
#1
07-17-10, 10:29 AM
Help with air handler LV wiring
I have a Trane TWE031E130 air handler. It has an internal heating element for occasional cool days here in South Florida. The unit has the Ylo terminal on the low voltage panel connected to the "W" (heat) terminal on the thermostat. According to the schematic the "W1" terminal on the low voltage panel should be connected to the "W" on the thermostat. All other connections are as expected. Even though the heat works as it should, I am concerned because I want to make some modifications to support a humidistat. Any help would be appreciated.
#4
07-18-10, 07:05 AM
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Location: Rochester, Minnesota
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I don't understand how you can get heat if W's are not wired up.. W's is your heat, and Y is blower speed for cooling.... ???
Unless something is messed up behind the board...
Unless something is messed up behind the board...
#5
07-18-10, 07:39 AM
Originally Posted by Jay11J
I don't understand how you can get heat if W's are not wired up.. W's is your heat, and Y is blower speed for cooling.... ???
Unless something is messed up behind the board...
Unless something is messed up behind the board...
#7
07-18-10, 09:14 AM
Originally Posted by Jay11J
For kicks before you tear everything apart, move the wire to W and see if you get heat.
what are you planning on using for dehumdity control?
what are you planning on using for dehumdity control?
I am planning on adding the Honeywell Prestige thermostat which has built-in humidistat. It can be configured to run as A/C mode with normal fan or low speed fan mode. I would prefer the low speed fan because the winter months don't need much cooling but do need humidity control. Low speed mode is where the wiring becomes the issue.
#8
07-18-10, 09:42 AM
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Ok, I'll be happy to help you with the wire hook up when you get it.
Do you have extra wires in the walls for this?
No harm is done, just no heat. You know how many banks of heat strip you have? I am guessing maybe one.
Do you have extra wires in the walls for this?
No harm is done, just no heat. You know how many banks of heat strip you have? I am guessing maybe one.
#9
07-18-10, 12:19 PM
Originally Posted by Jay11J
Ok, I'll be happy to help you with the wire hook up when you get it.
Do you have extra wires in the walls for this?
No harm is done, just no heat. You know how many banks of heat strip you have? I am guessing maybe one.
Do you have extra wires in the walls for this?
No harm is done, just no heat. You know how many banks of heat strip you have? I am guessing maybe one.
Thanks for the offer to help. I don't want to use the contractor because not only are they expensive, but I don't trust them to send someone who understands "why" things are connected the way they are. Also I enjoy doing it myself.
I assume only 1 heat bank since this is south Florida, but I don't know for sure. Would it be safe too assume 1 since there is only 1 heat connection?
#11
07-18-10, 10:15 PM
Originally Posted by Jay11J
Ok, with "6" wires.
I'll get into more details where the wires goes when you get the t-stat.
I am guessing you have single stage A/C?
I'll get into more details where the wires goes when you get the t-stat.
I am guessing you have single stage A/C?
