37 PB
OPERATION
Unit Cooling Mode
Once the indoor ambient temperature rises past the cool demand threshold (Cool Set Point + 1.5 ˚F) (see gure below), and the
compressor is not locked out, the cooling cycle begins. As shown in the gure below, the fan is started 5 seconds prior to the
compressor. Once the indoor ambient temperature has been lowered to the cool set point (Cool Set Point minus .25 ˚F), the
cooling cycle starts to terminate by shutting off the compressor. After a 30 seconds delay, the fan is shut off. (See gure below
for graphic details)
Figure 347 (Cooling Control )
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