Toshiba RAS-167SAV-E3 - Outdoor Fan Motor Control

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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.
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.
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
Outdoor fan speed (rpm)
Compressor speed (rps)
To
>
38°C
To
>
28°C
To To
>
15°C
To
>
5.5°C
To
>
0°C
During
To
>
38°C
ECO mode
To < 38°C
When To is abnormal
~ 13.8 ~ 31.7 32.3 ~ MAX
MIN MAX MIN MAX MIN MAX
f 2 f 3 f A f C f D f F
f 2 f 3 f 7 f A f 9 f C
f 1 f 3 f 2 f 5 f 4 f 7
f 1 f 1 f 1 f 2 f 2 f 4
f 2 f 3 f B f C f C f D
In cooling operation
Compressor speed (rps)
To
>
15°C
To
To < 15°C
To < 5.5°C
To < − 5.0°C
To
>
15°C
During
To < 15°C
ECO mode
To < 5.5°C
To < − 5.5°C
When To is abnormal
~16.8 ~47.9 48.5 ~ MAX
f 3 f 8 f 9
f 3 f 9 f A
f 8 f A f D
f B f C f D
f 3 f 3 f 6
f 3 f 3 f 8
f 5 f 9 f 9
f 7 f A f B
f A f B f D
In Heating operation
f 2 f 3 f C f D f E f F
To
< 0
°C f 0 f 0 f 0 f 1 f 1 f 2
f D f F f D f F f F
f 2 f 3 f 2 f 3 f B f C
f D
FILE NO. SVM-10015
Tap
f 1
f 2
f 3
f 4
f 5
f 6
f 7
f 8
200 200
300 300
370 370
440 440
440 440
500 500
550 550
600 600
Tap
f 9
f A
f B
f C
f D
f E
f F
650 650
700 700
700 700
800 800
800 850
800 850
800 850
RAS-137SAV-E3 RAS-167SAV-E3
f 0 0 0
RAS-137SAV-E3 RAS-167SAV-E3