Service manual

43
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 F8.
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<-2
, the compressor will stop)
Meanwhile, the compressor running frequency is limited by the current.
I3COOL
I2COOL
Off
Decrease
Hold
Resume
I1COOL
Off: Compressor stops.
Decrease: Decrease the running frequency to the 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 the higher
level.(frequency will increase twice at most)
8.4.2.2 Outdoor fan running rules:
22
20
High
Low
8.4.2.3 Indoor fan running rules
In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low and