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Question About Nordyne Electric Heater E2EH-015HB
Furnance...

System cycles on and off when the temp reaches the thermostat reading. Five seconds later it does it again

Asked by Josh Palmer on 12/30/2008 1  Answer

ManualsOnline posted an answer 15 years, 9 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

John posted an answer 15 years, 8 months ago

0 Old plain thermostats had a "gap" of about 1 degree between "heater on" and "heater off". On heating, when they ran the heater until the room reached the desired temperature, the residual heat in the heater then caused the room temperature to rise another degree. On cooling, they turned the heater off when the room reached the point a degree below the set temperature. By the time the heater started to have an effect, the room was 1 degree cooler. So for a thermostat that has a 1 degree "gap" between "heater on" and "heater off", the room varied about 3 degrees. Most thermostats now have a small adjustable heater inside called an "anticipator". It goes on and off with the heater. As the room warms up, the anticipator warms up the thermostat a little faster so that the heater turns off a little before the room reaches the desired temperature, thus avoiding a heat overrun. On cooling, the opposite occurs to avoid a cooling overrun. If the anticipator is adjusted to too low a heat, large swings in room temperature occur. If the anticipator is adjusted too high, it will cause the heater to cycle too quickly (probably your problem). This can even prevent the room from ever getting warm enough. John Marysville, PA
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