ELECTRONIC CONTROL SEQUENCE OF OPERATION

Cooling Mode

prior to the compressor. Once the ambient temperature has been lowered to .25 ÛF below the set point, the cooling cycle starts to terminate by shutting off the compressor. After a 30 seconds delay, the fan is shut off.

(See figure below for graphic details)

Electric Heat Operation in Cool with Electric Heat Units

When in the Heat mode, with and without Fan Mode Auto (Fan cycling):

If the indoor ambient temperature is below the Heat Demand Threshold (Heat Set Point minus 1.5 ÛF), turn on electric heat. If Ambient is 0.3 ÛF above the Heat Set Point turn off the electric heat.

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Friedrich SQ08N10, SQ10N10, SQ05N10, SQ06N10, EQ08N11 manual Electronic Control Sequence of Operation, Cooling Mode