Outdoor fan speed control, Oil return function

2. Fan state:

Display

Corresponding mode

0Off

1Low fan

2High fan

3.Opening degree of EXV:

Opening degree equals the display data times 8; 4. Number of indoor unit

The indoor unit that can communicate with outdoor unit normally.

7.11 Outdoor fan speed control

There is one fan with two-speed, the fan speed is controlled according ambient temp. After the compressor stop, 30 seconds later the fan stop.

When cooling:

Ambient temp.rise	> 27	High speed
Ambient temp.rise	<27	Low speed
	<27	Low speed
Ambient	>25	High speed
temp.decline	<25	Low speed
When heating:
Ambient temp.rise	> 14	Low speed
Ambient temp.rise	<14	High speed
	<14	High speed
Ambient	>12	Low speed
temp.decline	<12	High speed

7.12 Oil return function

If operation frequency is lower than 54Hz in 2 hours consecutively, it will be increased to 62Hz for 3 minutes. Then it recovers to the former operation frequency.