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Item
3. Outdoor fan
motor control
Operation flow and applicable data, etc.
The blowing air volume at the outdoor unit side is con-
trolled.
Receiving the operation command from the controller of
indoor unit, the controller of outdoor unit controls fan speed.
* For the fan motor, a DC motor with non-stage variable
speed system is used. However, it is limited to 8 stages
for reasons of controlling.
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
Cooling operation, dry operation
R
AS-M18EAV-E
,
RAS-M18EACV-E
C
om
p
ressor revolution
(
r
p
s
)
~
20
~
30
~46
46~
N
orma
l
o
p
erat
i
o
n
To>38
˚
C
4
5
0
7
00
7
5
0
8
5
0
28<
To
≤
38
4
5
0
65
0
7
00 75
0
15<T
o
≤
2
8
3
5
0
55
0
6
50 70
0
10<T
o
≤
1
5
3
5
0
55
0
5
50 55
0
5
.
5
<To
≤
1
0
300
4
50
450
550
0
<To
≤
5
.
5
300
350
350
450
ec
on
o
operatio
n
To >
38
˚
C
450
650
700
7
50
T
o
≤
38
˚
C
450
550
650
7
00
T
o
is
ab
norm
al
–
4
5
0
6
5
0
700
75
0
To:outdoor sensor temp. (
˚
C)
(
rpm
)
R
A
S
-M14EAV-E, RA
S
-M14EA
C
V-E
C
ompressor revolution(rps
)
~20 ~3
0
~
60
6
0
~
Norm
a
l
operatio
n
To >
38
˚
C
450
7
00
750
850
2
8
<
To
≤
38
450
650
700
7
50
1
5
<
To
≤
28
350
550
650
7
00
1
0
<
To
≤
15
350
550
550
650
5.5<
T
o
≤
10
300
4
5
0
4
5
0
55
0
0
<
T
o
≤
5
.
5
3
0
0
35
0
3
50 45
0
econo
o
p
erat
i
o
n
To>38
˚
C
4
5
0
65
0
7
00 75
0
T
o
≤
3
8
˚
C
4
5
0
55
0
6
50 70
0
To is abnorma
l
–
450
650
700
7
50
To:outdoor sensor tem
p
.
(
˚
C)
(
r
p
m
)