Toshiba RAV-SP1104AT8-E Service Manual page 53

3. Outdoor fan control
Up
SP110 to
SP160
Down
3-1) Cooling fan control

The outdoor fan is controlled by TL sensor, TO sensor and the operation frequency.
The outdoor fan is controlled by every 1 tap of DC fan control (14 taps).
‚
Only for 60 seconds after the operation has started, the maximum fan tap corresponding to the
zone in the following table is fixed and then the fan is controlled by temperature of TL sensor.
TL [˚C]
58
55
Up to the maximum
revolution frequency of each zone
38
Revolution frequency hold
35
Up to the minimum
revolution frequency of each zone
3-2) Heating fan control
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The outdoor fan is controlled by TE sensor, TO sensor and the operation frequency.
(Control from minimum W1 to maximum (according to the following table))
‚
For 3 minutes after the operation has started, the maximum fan tap corresponding to the zone in
the following table is fixed and then the fan is controlled by temperature of TE sensor.
TE [˚C]
–2 taps / 20 sec. (Up to W1)
Stop timer count
24
–2 taps / 20 sec. (Up to W1)
21
–1 tap / 20 sec. (Up to W1)
18
Revolution frequency hold
15
(Up to the maximum tap of each zone)
Object: SP140 (SP160)
Temp. range
10°C ≤ TO
5°C ≤ TO < 10°C
–3°C ≤ TO < 5°C
–10°C ≤ TO < –3°C
TO < –10°C
TO error
AMP Air Conditioning
Revolution frequency allocation of fan taps [rpm]
W1 W2 W3 W4
200 240 240 260
— — 200 280
WE tap
+1 tap / 20 sec
–1 tap / 20 sec
+1 tap / 20 sec
20 Hz 20Hz
or lower to 45Hz or higher
Max. Max.
W7 W8
W9 WA WB (WC)
WB (WC) WB (WC)
WC WC
WD WD
WD WD
W5 W6 W7 W8
320 380 480 500
360 400 500 520
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
ƒ
When TE ≥ 24°C continues for 5 minutes, the
compressor stops.
It is the same status as the normal thermostat-
OFF without error display.
The compressor restarts after approx. 2 minutes
30 seconds and this intermittent operation is not
abnormal.
„
In case that the status in item
frequently, stain on filter of the suction part of the
indoor unit is considered.
Clean the filter and then restart the operation.
45Hz
Temp. range
Max.
W9 10°C ≤ TO
5°C ≤ TO < 10°C
WC –3°C ≤ TO < 5°C
WC –10°C ≤ TO < –3°C
WD TO < –10°C
WD TO error
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W9 WA WB WC
530 610 640 660
550 630 660 700
20 Hz 20Hz
or lower to 45Hz
Min. Max. Min. Max. Min. Max.
W6 WC W8 WD
W5 WB W7 WC∗
W4 W8 W6 WA
W3 W6 W5 W8
W2 W4 W4 W6
W2 W3 W3 W5
W1 W2 W1 W4
W1 WC W1 WD
∗ : WB for SP110
ƒ
generates
Object: SP110
20 Hz 20Hz
or lower to 45Hz
Max. Max.
W7 W8
W9 WA
WA WA
WC WC
WD WD
WD WD
WD WE
720 780
740 820
45Hz
or higher
WA WD
W9 WC
W8 WC
W7 WA
W5 W8
W4 W6
W2 W6
W2 WD
45Hz
or higher
Max.
W9
WA
WC
WC
WD
WD