Toshiba RAV-GM1601AT8P-E Service Manual page 51

3. Current release control
The output frequency and the output voltage are controlled by AC current value detected by T620 and T621
on the outdoor P.C. board so that input current of the inverter does not exceed the specified value.
Current [A]
Frequency down
I1
Hold
I1 – 0.5
Normal operation
4. Outdoor fan control
W1 W2
250 280
Fan 1
Fan 2
280 280
4-1. Cooling fan control
1) An outdoor fan is controlled by TE sensor, TO sensor and operation 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 TE sensor temperature after then.
WF tap
TE
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)
Hold
Allocations of fan tap revolutions [rpm]
W3 W4 W5 W6
330 360 410 460
330 340 410 440
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
1 value [A]
I
W7 W8 W9 WA
520 580
650 700
500 560 600 660
Under 20.4Hz
MIN. MAX.
W6 WD
W5 WC
W3 W7
W2 W5
W1 W3
W1 W2
OFF OFF
OFF WD
- 51 -
COOL
16.7
WB WC WD WE
760 830 900 940
700 780 940
860
Over 20.4,
Over 45.0 Hz
under 45.0 Hz
MIN. MAX. MIN.
W8 WF WA
W7 WE W9
W5 W9 W7
W4 W7 W6
W3 W5 W4
W2 W4 W3
OFF W2 OFF
OFF WF OFF
WF
980
980
MAX.
WF
WF
WB
W9
W7
W5
W3
WF