Toshiba RAS-M10U2KCVG-SG1 x5 - Outdoor Fan Motor Control

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
2.
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.
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.
Cooling operation, dry operation
To : Outdoor temp sensor
Compressor revolution (rps) ~ 17 ~ 19 ~ 38 38 ~
Normal operation 550 550 900 900 Outdoor temperature
sensor (To) 550 750 900 900
450 650 750 900
To > 38
o
C
28 < To < 38
o
C
15 < To < 28
o
C
10 < To < 38
o
C
450 650 650 650
390 550 550 650
5 < To < 10
o
C
0 < To < 5
o
C
390 450 450 550
To < 0
o
C
off* off* off* off*
Sleep operation 550 750 900 900
To > 38
o
C
To < 38
o
C
550 650 750 900
To abnormal 550 750 900 900
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