27
During the 7 minutes, the frequency limitation is
active.
7 minutes later, the compressor running
frequency will be controlled as below:
+5.0
+4.5
+3.5
+3.0
+2.5
+2.0
+1.5
+1.0
H
G
H
F
E
D
C
B
A
+0.5
While the zones of A,B,C... are corresponding
to different compressor running frequency.
ΔT=0℃ as default.
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.
I3HEAT
I2HEAT
I1HEAT
Off
Decrease
Hold
Resume
I3HEAT, I2HEAT,I1HEAT mean different
running current value.
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. (The frequency will increase twice at
most)
9.4.3.2 Outdoor fan running rules
17
15
Low
High
9.4.3.3 Indoor fan running rules
If the compressor stops caused by the room
temperature rising, the indoor fan will be forced
to run 127 seconds with breeze. During this
period, the anti-cold-wind is disabled.
If the machine runs in rating capacity test mode,
the indoor fan will run with rating speed and the
anti-cold-wind function is disabled.
Auto fan action in heating mode:
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