Question about Honeywell T4398B1029 T4398 Electric Heat Thermostat, w/ Thermom. & Pos Off Switch
Can't recalibrate because I can't move the scale ring per written instructions
Posted by Anonymous on
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Posted on Jan 02, 2017
check in the unit heater to see what is hooked up most only need to have red from transformer white to call for heat and green to make the fan run in man and somtimes common usually blue or black
Posted on May 10, 2009
It sounds like the t-stat is programmed for a heat pump or you have a heat pump and the t-stat is programmed for a regular furnace....
Check out the manuals in the tip and go into the installer setup to change the t-stat to the proper programming for your system..
Posted on Apr 25, 2010
Most all the Honeywell t-stats can be calibrated...
check out this tip to find the manual for your t-stat and then how to get into the installer setup program...
Manual Honeywell How to Find Honeywell Manuals
Posted on Aug 13, 2010
SOURCE: My old thermostat has only
The green wire is used to turn on the blower if you want constant air circulation. For heat only, the red and yellow wire will work as long as they are connected to R and W terminals on heating unit (or TH and TW on some models).
Posted on Nov 20, 2010
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