Toshiba RAS-M18GACV-E - Outdoor Fan Motor Control

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2) Fan speed ≥ 400
when the motor stopped.
Air conditioner ON
(Remote controller)
YES
YES
NO
NO
Indoor unit controller
Fan motor ON
3) Fan lock
OFF status of
fan motor continues.
4) Motor operates as shown in the table below.
1) Outdoor unit
operation command
(Outdoor fan control)
Air conditioner
OFF
Alarm
display
Item
3. Outdoor fan
motor control
Operation flow and applicable data, etc.
The blowing air volume at the outdoor unit side is controlled.
Receiving the operation command from the controller of
indoor unit, the controller of outdoor unit controls fan speed.
∗ For the fan motor, a DC motor with non-stage variable speed
system is used.
However, it is limited to 8 stages for reasons of controlling.
Cooling operation, dry operation
RAS-M18GAV-E, RAS-M18GACV-E
Compressor revolution (rps)
To > 38°C
28 < To ≤ 38
Normal operation
15 < To ≤ 28
10 < To ≤ 15
5.5 < To ≤ 10
0 < To ≤ 5.5
Econo operation
To > 38°C
To ≤ 38°C
To is abnormal —
~20 ~30 ~46 46~
450 700 750 850
450 650 700 750
350 550 650 700
350 550 550 550
300 450 450 550
300 350 350 450
450 650 700 750
450 550 650 700
450 650 700 750
To: Outdoor sensor temp. (°C) (rpm)
RAS-M14GAV-E, RAS-M14GACV-E
Compressor revolution (rps)
To > 38°C
28 < To ≤ 38
Normal operation
15 < To ≤ 28
10 < To ≤ 15
5.5 < To ≤ 10
0 < To ≤ 5.5
Econo operation
To > 38°C
To ≤ 38°C
To is abnormal —
~20 ~30 ~60 60~
450 700 750 850
450 650 700 750
350 550 650 700
350 550 550 650
300 450 450 550
300 350 350 450
450 650 700 750
450 550 650 700
450 650 700 750
To: Outdoor sensor temp. (°C) (rpm)
Description
1) The operation command sent
from the remote controller is
processed by the indoor unit
controller and transferred to the
controller of the outdoor unit.
2) When strong wind blows at
outdoor side, the operation of air
conditioner continues with the fan
motor stopped.
3) Whether the fan is locked or not
is detected, and the operation of
air conditioner stops and an
alarm is displayed if the fan is
locked.
4) According to each operation
mode, by the conditions of
outdoor temperature (To) and
compressor revolution, the speed
of the outdoor fan shown in the
table is selected.