Outdoor fan control – Toshiba CARRIER RAV-SP300AT2-UL User Manual
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3. Outdoor fan control
Revolution frequency allocation of fan taps [rpm]
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 (SP240: 15 taps,
SP300, SP360, SP400: 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.
WE tap
+1 tap / 20 sec
Up to the maximum
revolution frequency of each zone
Revolution frequency hold
–1 tap / 20 sec
Up to the minimum
revolution frequency of each zone
TL
˚F (˚C)
136.4 (58)
131.0 (55)
100.4 (38)
95.0 (35)
RAV-
SP300AT2-UL
SP360AT2-UL
SP420AT2-UL
W1
W2
W3
W4
W5
W6
W7
W8
W9
WA
WB
WC
WD
WE
Up
200
240
240
260
320
380
480
500
530
610
640
660
720
780
Down
—
—
200
280
360
400
500
520
550
630
660
700
740
820
RAV-
SP240AT2-UL
W1
W2
W3
W4
W5
W6
W7
W8
W9
WA
WB
WC
WD
WE
WF
200
230
260
300
340
380
420
460
520
570
600
630
670
710
740
∗ : WB for SP300
Temp. range
100.4°F (38°C) ≤ TO
84.2°F (29°C) ≤ TO < 100.4°F (38°C)
59°F (15°C) ≤ TO < 84.2°F (29°C)
41°F (5°C) ≤ TO < 59°F (15°C)
32°F (0°C) ≤ TO < 41°F (5°C)
24.8°F (–4°C) ≤ TO < 32°F (0°C)
TO < 24.8°F (–4°C)
TO error
20 Hz or lower
20Hz to 45Hz
45Hz or higher
Min.
Max.
Min.
Max.
Min.
Max.
W6
WC
W8
WE
WA
WE
W5
WB
W7
WD
W9
WD
W4
W8
W6
WA
W8
WC
W3
W6
W5
W8
W7
WA
W2
W4
W4
W6
W5
W8
W2
W3
W3
W5
W4
W6
OFF
OFF
OFF
W2
OFF
W3
OFF
WC
OFF
WE
OFF
WE
Temp. range
100.4°F (38°C) ≤ TO
84.2°F (29°C) ≤ TO < 100.4°F (38°C)
59°F (15°C) ≤ TO < 84.2°F (29°C)
41°F (5°C) ≤ TO < 59°F (15°C)
32°F (0°C) ≤ TO < 41°F (5°C)
24.8°F (–4°C) ≤ TO < 32°F (0°C)
TO < 24.8°F (–4°C)
TO error
20 Hz or lower
20Hz to 45Hz
45Hz or higher
Min.
Max.
Min.
Max.
Min.
Max.
W6
WC
W8
WC
WA
WE
W5
WB
W7
WC*
W9
WC
W4
W8
W6
WA
W8
WC
W3
W6
W5
W8
W7
WA
W2
W4
W4
W6
W5
W8
W2
W3
W3
W5
W4
W6
W1
W2
W1
W4
W2
W6
W1
WC
W1
WC
W2
WD