Question about Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: Honeywell RTH230B
This my situation exactly. Changing from a 6 wire manual round Honeywell thermostat to a 5 wire Honeywell programable. Is there a way to maintain all functions?
Posted on Nov 25, 2008
I connected the blue wire to the R and the white wire to the W on the old thermostat and shoved the new Honeywell 5-1-1 Day programmable thermostat up the first guys *** that i ran into at Canadian Tire
Thanks for your help
Posted on Dec 29, 2008
My thermostat was set on celsius and couldn't get it to change back to fahrenheit. My son suggested pressing both up and down arrow buttons at the same time and it worked. It changed back to fahrenheit.
Posted on Jul 27, 2009
SOURCE: Honeywell Thermostat RTH7400D
The thermostat will not cut off the A/C until the thermometer reading gets to 76.
If there is not a heat source near/behind the thermostat which is causing the thermometer to read higher than actual room temperature, it sounds like the thermostat thermometer is out of calibration.
There are ways to calibrate it, but much to involved to go into here.
One solution is to just set the thermostat at 80, knowing that it's really set on 76.
Another solution is to replace the thermostat.
Posted on Aug 14, 2009
Just mark the old wires on the old thermnostat...R , W etc...and put them on the same terminals on the new 1.....also there should be some adjustment ire : switch on the back or under the cover to adjust for Hot water heating or electric heat...either is the setting you should have it on....also you shouldn't setback the thermostat at night or when away very much....2 degrees is fine , as the boiler will run along time to raise the temperature in the morning and may not get there by the set time
Posted on Oct 26, 2009
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