Indoor Fan Motor Control; In Cooling Operation - Toshiba RAS-M10SMUV-E Service Manual

Item
2. Indoor fan <In cooling operation>
motor control
(This operation controls the fan speed at indoor unit side.)
The indoor fan (Turbo fan) is operated by DC motor.
The fan rotates in 5 stages in MANUAL mode, and in 5 stages
in AUTO mode, respectively. (Table 1)
COOL ON
Fan speed setup
AUTO
(Fig. 2)
Ta
[ ˚C ]
+2.5
a
+2.0
b
+1.5
c
+1.0
d
+0.5
e
Tsc
COOL
Fan speed
FAN
level
ONLY
WF
WE UH
WD H
WC M+
WB
WA M
W9
W8 L+
W7 L
W6 L–
W5 UL
W4
W3 SL
W2
W1
Fan speed
HEAT
level
WF
WE
WD
WC
WB
WA
W9
W8
W7
W6
W5
W4
W3
W2
W1
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Operation flow and applicable data, etc.
MANUAL
Indication
L
L+
M
M+
H
Air volume AUTO
M+(WB)
*3 *3 : Fan speed = (M + –L) x 3/4 + L
*4 *4 : Fan speed = (M + –L) x 2/4 + L
*5 *5 : Fan speed = (M + –L) x 1/4 + L
(Linear approximation
L(W6)
from M+ and L)
(Table 1) Indoor fan air flow rate (Cool/Dry/Fan only)
RAS-M10SMUV-E
RAS-M10SMUCV-E
DRY
Fan speed Air flow rate
(rpm) (m
650
650
650
630
600
570
550
530
500
L– 480
UL 450
370
SL 350
350
350
(Table 2) Indoor fan air flow rate (Heat)
RAS-M10SMUV-E
Fan speed Air flow rate
(rpm) (m
UH 700
H 650
640
M+ 620
600
M 570
550
L+ 520
L 500
L– 450
440
420
UL 400
370
SL 350
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(Fig. 1)
Fan speed
* The fan speed broadly varies due
W6
(L + M) / 2
W9
(M + H) / 2
WC
1) When setting the fan speed to L,
2) When setting the fan speed to
RAS-M13SMUV-E
RAS-M13SMUCV-E
Fan speed Air flow rate
3
/h) (rpm) (m
590 680 620
590 680 620
590 680 620
570 630 570
540 600 540
500 590 530
480 550 480
460 530 460
430 500 430
410 480 410
380 450 380
290 370 290
270 350 270
270 350 270
270 350 270
RAS-M13SMUV-E
Fan speed Air flow rate
3
/h) (rpm) (m
640 730 670
590 680 620
580 640 580
560 620 560
540 600 540
500 590 530
480 560 490
450 530 460
430 500 430
380 450 380
370 440 370
350 420 350
330 400 330
290 370 290
270 350 270
– 26 –
Description
* Symbols
UH : Ultra High
H : High
M+ : Medium+
M : Medium
L+ : Low+
L : Low
L- : Low–
UL : Ultra Low
SUL : Super Ultra Low
to position of the louver, etc.
The described value indicates one
under condition of inclining
downward blowing.
L+, M, M+ or H on the remote
controller, the operation is
performed with the constant
speed shown in Fig. 1.
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 tempera-
ture, room temperature, and heat
exchanger temperature.
RAS-M16SMUV-E
RAS-M16SMUCV-E
Fan speed Air flow rate
3 3
/h) (rpm) (m /h)
720 660
720 660
720 660
680 620
650 590
630 570
600 540
550 480
520 450
500 430
450 380
370 290
350 270
350 270
350 270
RAS-M16SMUV-E
Fan speed Air flow rate
3 3
/h) (rpm) (m /h)
750 690
720 660
690 630
670 610
650 590
630 570
600 540
550 480
520 450
470 400
450 380
420 350
400 330
370 290
350 270
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