Item
2. Indoor fan
motor control
Operation flow and applicable data, etc.
<In cooling operation>
(This operation controls the fan speed at indoor unit side.)
The indoor fan (cross flow fan) is operated by the phase-
control induction motor. The fan rotates in 5 stages in
MANUAL mode, and in 5 stages in AUTO mode,
respectively. (Table 1)
Description
* Symbols
UH
: Ultra High
H
: High
M+
:
M
: Medium
L+
: Low+
L
: Low
L-
: Low–
UL
: Ultra Low
SUL
: Super Ultra Low
* The fan speed broadly varies due
to position of the louver, etc.
The described value indicates one
under condition of inclining
downward blowing.
1)
2)
When setting the fan speed to L,
L+, M, M+ or H on the remote
controller, the operation is
performed with the constant
speed shown in Fig. 1.
When setting the fan speed to
AUTO on the remote controller,
revolution of the fan motor is
controlled to the fan speed level
shown in Fig. 2 and Table 1
according to the setup
temperature, room temperature,
and heat
exchanger temperature.
(Fig. 1)
(Fig. 2)
+2.5
Ta
[°C]
+2.0
+1.5
+1.0
+0.5
Tsc
a
b
c
d
e
M+(WC)
*3
*4
*5
L(W7)
Air volume AUTO
L
L+
M
M+
H
W7
(L + M) / 2
WA
(M + H) / 2
WD
Indication
Fan speed
Fan speed setup
COOL ON
AUTO
MANUAL
*3 : Fan speed = (M + –L) x 3/4 + L
*4 : Fan speed = (M + –L) x 2/4 + L
*5 : Fan speed = (M + –L) x 1/4 + L
(Linear approximation
from M+ and L)
(Table 1) Indoor fan air flow rate
Fan speed
Mode
RAS-25J2KVSG-ND
level
Cooling
Heating
Cool
Heat
Dry
Fan speed
Fan speed
(rpm)
(rpm)
WF
UH
1100
771
1200
858
WE
UH
H
1
100
771
1150
821
WD
H
M+
UH
1000
686
1000
686
WC
M+
H
950
652
900
607
WB
M
M+
900
607
800
525
WA
M
M
800
525
700
442
W9
L+
650
401
650
401
W8
L+
L
L+
630
3
85
5
8
0
343
W7
L
L-
5
80
343
550
314
W6
L-
L
530
300
530
300
W5
UL
UL
L-
520
2
94
520
2
94
W4
UL
510
2
87
510
2
87
W3
SUL
SUL/SL-
510
2
87
510
2
87
W2
SUL
500
280
510
287
W1
500
280
500
280
RAS-35J2KVSG-ND
Cooling
Heating
Fan speed
Fan speed
(rpm)
(rpm)
1100
771
1
200
852
1100
771
1
170
836
1050
732
1
050
732
1000
686
900
607
900
607
800
525
800
525
700
442
650
401
650
401
630
385
5
80
343
580
343
550
314
530
300
530
300
520
2
94
520
2
94
510
2
87
510
2
87
510
2
87
510
2
87
500
280
510
287
500
280
500
280
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