Toshiba RAV-SM1104AT8P-E Service Manual page 37

3. Current release control
The output frequency and the output voltage are controlled by AC current value detected by current transformer
on the outdoor P.C. board so that input current of the inverter does not exceed the specified value.
Current [A]
I1
Hold
I1 – 0.5
Normal operation
4. Outdoor fan control
Model W1 W2
SM110 250 280
SM140
250 280
4-1. Cooling fan control
1) An outdoor fan is controlled by TL sensor, TO sensor and compressor frequency. An outdoor fan is
controlled at 1-tap interval of DC fan control.
2) At the start time, the fan is fixed for 60 seconds only with the maximum fan tap corresponded to the zone
in the following table but it is controlled with TL sensor temperature after then.
SM110, 140 : WD tap
TL
58˚C
55˚C
+
1 tap / 20 sec (Up to the maximum
rotational frequency of each zone)
38˚C
Rotational frequency hold
35˚C
– 1 tap / 20 sec
(Up to the minimum rotational
frequency of each zone)
Frequency down
Hold
Allocations of fan tap revolutions [rpm]
W3 W4 W5 W6
330 410
360 460
330 410
460
360
Temp.
range
38°C ≤ TO
29°C ≤ TO < 38°C
15°C ≤ TO < 29°C
5°C ≤ TO < 15°C
0°C ≤ TO < 5°C
–4°C ≤ TO < 0°C
TO < –4°C
TO error
Model
COOL
12.5
I1 value [A]
W7 W8 W9 WA
580 640 700
520
580 640 700
520
SM110
34.2 Hz or lower 34.2Hz to 52.2Hz 52.2Hz or higher
SM140
Min. Max.
W6 WD
W5 WC
W3 W7
W2 W5
W1 W3
W1 W2
OFF W2
OFF WD
- 37 -
FILE NO. SVM-17005
SM110 SM140
HEAT COOL
12.5 12.5
WB WC WD WE
760 860 900 930
760 860 900 930
Min. Max. Min.
W8 WD WA
W7 WC W9
W5 W9 W7
W4 W7 W6
W3 W5 W4
W2 W4 W3
OFF W4 OFF
OFF WD OFF
HEAT
12.5
WF
930
930
Max.
WD
WD
WB
W9
W7
W5
W4
WD