– 31 –
Item
3. Outdoor fan
motor control
Operation flow and applicable data, etc.
The speed of the outdoor unit motor is controlled according
to speed of compressor motor (rps) and outdoor
temperature (To).
Description
1) The operation command sent
from the remote controller is
processed by the indoor unit
controller and transferred to the
controller of the outdoor unit.
2) When strong wind blows at
outdoor side, the operation of air
conditioner continues with the
fan motor stopped.
3) Whether the fan is locked or not
is detected, and the operation of
air conditioner stops and an
alarm is displayed if the fan is
locked.
4) According to each operation
mode, by the conditions of
outdoor temperature (To) and
compressor revolution, the speed
of the outdoor fan shown in the
table is selected.
2) Fan speed
≥
400
when the motor stopped.
Air conditioner ON
(Remote controller)
YES
YES
NO
NO
Indoor unit controller
Fan motor ON
3) Fan lock
OFF status of
fan motor continues.
4) Motor operates as shown in the table below.
1) Outdoor unit
operation
command
(Outdoor
fan
control)
Air conditioner
OFF
Alarm
display
Outdoor fan speed (rpm)
FILE NO. SVM-13071
Compressor speed (rps)
To
During
ECO mode
When To is abnormal
~ 13.8
~ 31.7
32.3 ~ MAX
MIN MAX MIN MAX MIN MAX
f 2
f 3
f A
f C
f D
f F
f 2
f 3
f 7
f A
f 9
f C
f 1
f 3
f 2
f 5
f 4
f 7
f 1
f 1
f 1
f 2
f 2
f 4
f 2
f 3
f B
f C
f C
f D
In cooling operation
f 2
f 3
f C
f D
f E
f F
f 0
f 0
f 0
f 1
f 1
f 2
f D
f F
f D
f F
f F
f 2
f 3
f 2
f 3
f B
f C
f D
To
≥
100°F (38°C)
To
≥
82°F (28°C)
To
≥
59°F (15°C)
To
≥
42°F (5.5°C)
To
≥
32°F (0°C)
To
<
32°F (0°C)
To
≥
100°F (38°C)
To
≥
100°F (38°C)
Tap
f 1
f 2
f 3
f 4
f 5
f 6
f 7
f 8
200
200
300
300
370
370
440
440
440
440
500
500
550
550
600
600
Tap
f 9
f A
f B
f C
f D
f E
f F
600
650
600
700
650
700
700
800
700
800
700 900
700
900
RAS-09EACV-UL
RAS-12EACV-UL
f 0
0
0
RAS-09EACV-UL
RAS-12EACV-UL
