Outdoor Fan Motor Control - Toshiba RAS-13BKV-E Service Manual
Split type
Hide thumbs
Also See for RAS-13BKV-E:
- Installation manual (15 pages) ,
- Owner's manual (84 pages) ,
- Installation manual (315 pages)
Table of Contents
Advertisement
Item
3. Outdoor fan
The blowing air volume at the outdoor unit side is controlled.
motor control
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.
Air conditioner ON
(Remote controller)
Indoor unit controller
1) Outdoor unit
operation command
(Outdoor fan control)
2) Fan speed ≥ 400
when the motor stopped.
NO
Fan motor ON
3) Fan lock
NO
4) Motor operates as shown in the table below.
In cooling operation
Compressor speed (rps)
To > 38°C
To > 28°C
To > 15°C
To
To > 5.5°C
To > 0°C
To < 0°C
When To is abnormal
Tap
RAS-07BAV-E, RAS-10BAV-E RAS-13BAV-E
f 0
0
f 1
300
f 2
370
f 3
390
f 4
460
f 5
500
f 6
520
f 7
620
Operation flow and applicable data, etc.
YES
OFF status of
fan motor continues.
YES
Air conditioner
OFF
~ 31.7
13.8≤ Hz≤32.4
Hz<13.8
32.4<Hz
MIN MAX MIN MAX MIN MAX
f 6
f B
f 8
f E
f A
f 5
f A
f 7
f E
f 9
f 3
f 7
f 5
f 9
f 7
f 2
f 5
f 4
f 7
f 6
f 1
f 3
f 3
f 5
f 4
f 1
f 2
f 2
f 4
f 3
OFF
f B
OFF
f E
f 1
Outdoor fan speed (rpm)
0
300
370
390
460
500
520
620
Alarm
display
In Heating operation
Compressor speed (rps)
To > 10°C
f E
To < 10°C
To
To < 5°C
f E
f B
To < − 3°C
When To is abnormal
f 9
f 7
f 5
f E
Tap
RAS-07BAV-E, RAS-10BAV-E RAS-13BAV-E
f 8
720
f 9
750
f A
780
f B
780
f C
880
f D
880
f E
880
f F
880
- 31 -
FILE NO. SVM-16003
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.
Hz<16.8 16.8≤ Hz≤48.6 48.6<Hz~MAX
f 8
f 7
f 9
f B
f E
f E
f E
f E
f F
f F
720
750
780
780
880
880
950
950
f 9
f E
f E
f E
f F
Hide quick links:
Advertisement
Chapters
Table of Contents
