FILE NO.
Item | Operation flow and applicable data, etc. | Description |
3.Outdoor fan The blowing air volume at the outdoor unit side is controlled. 1) The operation command sent
motor control Receiving the operation command from the controller of | from the remote controller is | |||||||||
| indoor unit, the controller of outdoor unit controls fan speed. | processed by the indoor unit | ||||||||
| * For the fan motor, a DC motor with | controller and transferred to the | ||||||||
| controller of the outdoor unit. | |||||||||
| speed system is used. However, it is limited to 8 stages for | |||||||||
| 2) When strong wind blows at | |||||||||
| reasons of controlling. |
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| outdoor side, the operation of air |
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| conditioner continues with the |
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| fan motor stopped. |
| Air conditioner ON |
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| 3) Whether the fan is locked or not | |||
| (Remote controller) |
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| is detected, and the operation of |
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| air conditioner stops and an |
| Indoor unit controller |
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| alarm is displayed if the fan is | ||
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| locked. |
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| 4) According to each operation |
| 1) Outdoor unit |
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| mode, by the conditions of | ||
| operation command |
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| outdoor temperature (To) and | ||
| (Outdoor fan control) |
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| compressor revolution, the speed | ||
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| of the outdoor fan shown in the |
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| table is selected. |
| 2) Fan speed ≥ 400. | YES | Fan motor OFF continues |
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| when the motor OFF. | (Use wind for heat |
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| (by strong wind) |
| exchanging) |
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| NO |
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| Fan motor ON |
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| YES |
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| 3) Fan lock |
| Air conditioner |
| Alarm |
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| OFF |
| display |
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| NO |
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4) Motor operates as shown in the table below.
In cooling operation
Compressor speed (rps) | ~ 13.8 | ~ 31.7 | 32.3 ~ MAX | ||||
MIN | MAX | MIN | MAX | MIN | MAX | ||
| To ≥ 100°F (38°C) | f 2 | f 3 | f C | f D | f E | f F |
| To ≥ 82°F (28°C) | f 2 | f 3 | f A | f C | f D | f F |
To | To ≥ 59°F (15°C) | f 2 | f 3 | f 7 | f A | f 9 | f C |
| To ≥ 42°F (5.5°C) | f 1 | f 3 | f 2 | f 5 | f 4 | f 7 |
| To ≥ 32°F (0°C) | f 1 | f 1 | f 1 | f 2 | f 2 | f 4 |
| To < 32°F (0°C) | f 0 | f 0 | f 0 | f 1 | f 1 | f 2 |
During | To ≥ 100°F (38°C) | f 2 | f 3 | f B | f C | f C | f D |
ECO mode | To ≥ 100°F (38°C) | f 2 | f 3 | f 2 | f 3 | f B | f C |
When To is abnormal | f D | f F | f D | f F | f D | f F |
Outdoor fan speed (rpm)
In Heating operation
Compressor speed (rps) | ~16.8 | ~47.9 | 48.5 ~ MAX | ||
| To ≥ 50°F (10°C) | f 3 | f 8 | f 9 | |
To | To ≥ 42°F (15°C) | f 3 | f 9 | f A | |
To ≥ 22°F | f 8 | f A | f D | ||
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| To < 22°F | f B | f C | f D | |
| To ≥ 50°F (10°C) | f 3 | f 3 | f 6 | |
During | To ≥ 42°F (15°C) | f 3 | f 3 | f 8 | |
ECO mode | To ≥ 22°F | f 5 | f 9 | f 9 | |
| To < 22°F | f 7 | f A | f B | |
When To is abnormal | f A | f B | f D |
| Tap | ||
| f 0 | 0 | 0 |
| f 1 | 200 | 200 |
| f 2 | 300 | 300 |
| f 3 | 370 | 370 |
| f 4 | 440 | 440 |
| f 5 | 440 | 440 |
| f 6 | 500 | 500 |
| f 7 | 550 | 550 |
| f 8 | 600 | 600 |
Tap | ||
f 9 | 600 | 650 |
f A | 600 | 700 |
f B | 650 | 700 |
f C | 700 | 800 |
f D | 700 | 800 |
f E | 700 | 800 |
f F | 700 | 900 |
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