Heat will not "listen" to t-stat


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Old 01-23-07, 11:31 AM
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Smile Heat will not "listen" to t-stat

Hello Everyone!

First the information on my systems:

Boiler:
Weil-McLain Boiler
Model: CG-5-PI (Series 9)
Natural Gas
Age: probably around 7 years old

T-stat:
NEW Lux 605/2110 Series Programable Heat Pump T-Stat

My t-stat is hooked up with the green wire connected to "R" and the White/off-white wire connected to "B"


Problem:
My dad (who's very handy) installed the new t-stat for me when he visited, during the summer. Before that was a honeywell (which worked OK). Now with the new one, no matter what temperature the t-stat is set at, the boiler comes on. It could be set at 62-F or 99-F and it would still start and run *non-stop* until I flip the switch on the t-stat to turn it off completely.
I've been acting as the thermostat - which is difficult since it is a constant up and down (esp. at night, when I have to leave it on or my house is absolutely frigid).

Please advise on how to move forward and thank you in advance for any and all help!
 

Last edited by SkyeWynters; 01-23-07 at 11:54 AM.
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Old 01-23-07, 12:19 PM
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(856) 234-8803
 
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Old 01-23-07, 12:32 PM
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[QUOTE=Who;1112892](856) 234-8803
 
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Old 01-23-07, 12:43 PM
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Just stay away from the heat pump models. They are about the only ones that don't work. Still have the Honeywell?
 
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Old 01-23-07, 12:54 PM
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Originally Posted by Who
Just stay away from the heat pump models. They are about the only ones that don't work. Still have the Honeywell?
Yes, but it's all taken apart. (Problem has been solved, see below)
 

Last edited by SkyeWynters; 01-23-07 at 02:17 PM.
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Old 01-23-07, 02:16 PM
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Thanks for all your help, WHO!

It turns out that the two are NOT compatable as you originally thought. Lux has advised me on what to do next / what type of t-stat to purchase

Again, thanks for all your help
 
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Old 01-23-07, 07:45 PM
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Getting that touch screen one? It looks cool and has a recovery feature.
 
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Old 01-23-07, 09:40 PM
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Actually, a simpler unit (the TX1500) - its settings are identical with the one I currently have (so I know how to set it and use it) but it is compatable with my system
 
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Old 01-24-07, 04:25 AM
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Lightbulb

I'm not sure about that particular tstat, but usually the B terminal is for the reversing valve in the heating mode on some units (York, ect) That will activate anytime the system switch is set to HEAT. You would need to hook the the wire from B to W if the tstst has it.

The touch screens are nice, but a little pricey at around $120 for the VisionPro. I think it has a lot more bells & Whistles than you'll ever need for your application. One of my favorite basic programmables is the Lux PSP511LA. Easy to program, easy to operate, backlit screen, and around $20.
 
 

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