Friedrich Floating Air Pro-Premiere FPHW091 Service & Parts Manual page 22

Dehumidifying mode
Dehumidifying area I: Operation at the frequency in the range (30–60Hz) according to Dt (Tindoor ambient‑Tset).
Dehumidifying area II: The compressor stops for 5 minutes and operators for 5 minutes at the lowest frequency.
Dehumidifying area III: The compressor stops.
22
OPERATION
Figure 304
Dt(°F) f(Hz)
32 30
33 30
34 40
35 50
36 60
Figure 305