SYMPTOM | POSSIBLE CAUSE | CORRECTIVE ACTION |
Furnace Cycles Too Fast or | 1. The location of the thermostat | Digital thermostats normally provide precise |
Too Slow (narrow or wide | and/or the size of the Heating System | temperature control and may cycle faster than some |
temperature swing) | may be influencing the cycle rate. | older mechanical models. A faster cycle rate means |
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| the unit turns on or off more frequently but runs for |
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| a shorter time so there is no increase in energy use. |
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| If you would like to increase the cycle time, refer to |
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| the Installation Instructions under Installer Table for |
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| settings. If an acceptable cycle rate is not achieved |
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| by the adjustment in the Installer Table then you |
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| may want to contact a local heating and air condi- |
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| tioning service person for further suggestions. |
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Cooling Cycles Too Fast or | 1. The location of the thermostat | The cycle rate for cooling is fixed and can not be |
Too Slow (narrow or wide | and/or size of the Cooling System | adjusted. Contact a local service person for sugges- |
temperature swing) | can influence the rate. | tions. |
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