Pioneer WYB-GMFI SERIES Service Manual page 38

While
Temp. zone
Frequency
ΔT=0 as factory setting.
Note:
When T1-Ts keeps in the same temp. zone for 3 minutes, the compressor will run as the below rules:
A~E: Increase the frequency to the higher level until to F10.
F: Keep the current frequency.
G: Decrease the frequency to the lower level until to F1.
H: Run at F1 for 1h.(if T1-Ts-ΔT >6℃, the compressor will stop)
Meanwhile, the compressor running frequency is limited by the current.
+5.0
+4.5
+3.5
+3.0
+2.5
+2.0
+1.5
+1.0
+0.5
A B
F10 F9
H
G
F
E
D
C
B
A
C D
F8 F7
36
E F G
F5 F3 F1