hartell low voltage saftey switch - http://www.hvacmechanic.com/ Forums
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| acefurnacefxr
|  "Re(1):hartell low voltage saftey switch"
, posted Sat 12 Apr 07:34  
In series with R
HVAC REPAIR IS NOT A DIY WEEKEND PRODJECT
I have been performing HVAC repairs for 23 years
http://www.hillaryclinton.com
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| theduke03
| "Re(1):hartell low voltage saftey switch" , posted Thu 10 Apr 20:10
Is that a float switch? Locate where your thermostat wires connect to unit. Remove the R wire from unit and attach one of the float switch wires to it. Then connect the R wire to the other float swich wire and you're done! You will probably need a scrap of wire to connect between switch and unit and R wire.
This will "break" the R wire when float rises and shut system down completely. You can also use Y instead of R but in this case the a/c will shut down and the blower will continue to run which may cause water to blow into your ducts(bad).
Some of the pictures displayed here are brought to you by Houston204. Be Safe.
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| | tohdubg
| "Re(2):hartell low voltage saftey switch" , posted Sat 12 Apr 09:47
Thanks duke 03. It is a float cut off switch. I will try it. I appreciate the help very much. acefurnacefxr you the man. I bow down.
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| | tohdubg
| "Re(3):hartell low voltage saftey switch" , posted Tue 15 Apr 07:03
It worked like a charm. It took me longer to open and close the unit than it took me to install the switch. Thanks again Duke.
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