6
6
.
.
C
C
O
O
N
N
T
T
R
R
O
O
L
L
M
M
O
O
D
D
E
E
L
L
A
A
S
S
-
-
0
0
9
9
U
U
R
R
4
4
S
S
G
G
N
N
PQ
3.6.2 Cooling
→
heating turnover operation
Cooling
→
heating: the compressor stops; 50 s later the 4-way valve is activated
and 3 minutes more the compressor turns on.
Heating
→
cooling: the compressor stops, 50 s later the 4-way valve is interrupted
and 3 minutes more the compressor turns on.
3.6.3 There is a temperature compensation during the auto-run, which is same as
cooling and heating.
3.7Cooling-run mode
3.7.1 Temperature compensation
Principle for compensation: The compensation is available only if the
proper sensor is used and it is not available when it is subject to the sensor
on the remote controller.
3.7.2 Outdoor Fan
The outdoor fan’s speeds are divided into two levels which can be changed over
according to outdoor ambient temperatures.
When operating at a fixed frequency, the outdoor fan is forced to operate at the
high speed.
3.7.3 Indoor fan
When the fan speed is set at the high, medium and low fan speeds, the fan runs at
a preset speed. When the fan speed setting is automatic, the fan speed is set
based on the difference in room temperatures.
T
room
-T
set
Indoor
fan
speed
T
room
-T
set
≤
2
0
C
Low
2
0
C
<
T
room
-T
set
<
4
0
C
Medium
T
room
-T
set
≥
4
0
C
High
T
ambient
t
set
+3
t
set
t
set
-3
Cooling mode
Heating mode
Cooling mode
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