Replacing honey well rth7500d with lux tx9600ts


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Old 09-14-14, 11:03 AM
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Replacing honey well rth7500d with lux tx9600ts

The lux model doesn't have the y2 terminal to jumper to the w2 terminal like the honeywell and was putting out heat on the cooling mode with the outside condensing unit running... Any ideas?
 
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Old 09-14-14, 05:37 PM
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You need a different thermostat.




The RTH7500D does not support a 2 stage heat pump with Aux heat either.
 
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Old 09-14-14, 05:45 PM
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A Honeywell VisionPro TH8320U or the TH8321U will support a 2 stage heat pump with Aux heat
(3 heat / 2 cool)

Color codes vary and the Aux and E terminals are now a single terminal.

The RTH series thermostat sold at big box stores will not support your 3 heat 2 cool heat pump.
Name:  Honeywell RTH8580WF.jpg
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http://wifithermostat.com/Resources/...User-Guide.pdf
 
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Old 09-15-14, 10:22 AM
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I'm replacing the honeywell cause it's cycling in and off every 10-15 minutes every time the temp is .25 degree above the set temp... Anyone had any luck with the Total Line thermostat?
 
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Old 09-15-14, 09:35 PM
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It is not a user friendly line of thermostats.
I have replaced many that were not broken because the owners did not like them.
Many techs don't like them either.
 
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Old 09-18-14, 07:51 PM
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The heating cycle rate/span is adjustable on the t-stat - do not replace it with a lux; the honeywell is a much better product.

Follow the instructions here: http://www.homedepot.com/catalog/pdf...a7b2fe1649.pdf

Go into the advanced settings menu and reduce the heating cycle rate; if it's set to 5, try 3. If it's set to 3, try 2. The default is 5 which is way too high.
 
 

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