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Old 08-13-2014, 05:28 PM   #21
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Join Date: Jul 2014
Location: Washoe Valley NV
Posts: 113
T-Stat Deadband

Originally Posted by DougP47 View Post
Rick thanks I changed the stat to D1. Will advice tomorrow the results. We will be camping all weekend, be a good time to test it out. Just makes one wonder why it's not set on D1 from factory. Many thanks. Doug
The reason the larger offset or "deadband" is used is to reduce the number of times the ac compressor cycles on and off. The ac compressor will operate for a longer period of time with the D2 setting than the D1 since it has more temperature to catch. Compressor starts are hard on compressors so you want to limit it as much as possible.
Most homes and commercial building use a 2 to 4 degree differential but you would not notice as much as you do in an RV since most buildings are insulated much better so the temperature change happens over a longer period of time.

2012 Lexington 265 GTS
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dometic, thermostat

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