Why does my central heating unit stay? / I changed the thermostat on the wall and put a new one in. the blower motor no longer runs. The heating element stays on.
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Why does my central heating unit stay? / I changed the thermostat on the wall and put a new one in. the blower motor no longer runs. The heating element stays on.
Is this furnace electric, gas, or oil?
Electric
What is the make and model number?
Nordyne intertherm model E2EB -15HA 1/3 horse power 4 speed 4 ton.
]Nordyne intertherm model E2EB -15HA 1/3 horse power 4 speed 4 ton.[/QUOTE]
The thermostat may have to be configured for electric heat. Refer to the installation booklet which came with the new thermostat.
Your unit doesn't have a sequencer. The contactor pulls both heat strips in at the same time. If the heating elements are coming on the contactor is good. I would replace the relay (IFR2).
With the fan not running the limit switch should shut off the element's.
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