Friedrich FPHMR18A3A Service Manual page 37

CORRECTION FACTORS
Piping Length Correctiion Factor
Correction factors according to defrosting operation
The heating capacity in the preceding paragraph excludes the condition of the frost or the
or the defrosting operation period. In consideration of the frost or the defrosting operation,
the heating capacity is corrected by the equation below.
Corrected heating capacity = Defrost Correction factor x unit capacity
OUTDOOR TEMPERATURE
5(-15) 14( -10) 23( -5) 32(0) 44.6(7) 50(10) 59(15)
[°F(°C) DB]
Correction factor(humidity rate 85% RH) 0.95 0.95 0.9 2 0.8 4 1.0 1.0 1.0
Correction Factor
NOTE:
Correction Factor is not valid when the outdoor unit is covered or encapsulated with snow.
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