Heat Controller VMH C Series Service Manual page 26

Service Manual
Note:
When T1-TS keeps in the same temp. zone for 3 minutes, the compressor will run by the following rules:
A~E: Increase the frequency to higher level until F10.
F: Keep the current frequency.
G: Decrease the frequency to lower level until to F1.
H: Run at F1 for 1hour (If T1-TS- ΔT>43°F(6°C), the compressor will stop).
Meanwhile, the compressor running frequency is limited by the current.
Off: Compressor stop. Decrease: Running frequency decrease to lower level. Hold: Keep the current
frequency.
Resume: No limitation for frequency.
Note:
When AC is in "hold" zone for 3 minutes, the compressor frequency will rise to higher level.(frequency
increases twice at most)
8.4.3.2 Outdoor fan running rules:
VMH 30, 36 SerieS
Current
(A)
F° C°
17
62.5° (17)
59° (15)
15
Low
High
26
24
Heat Controller