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No. | Part name |
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| Checking procedure |
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1 | Room temp. (TA) sensor | Disconnect the connector and measure the resistance value with tester. | |||||||||||||||||||
| Heat exchanger (TC) sensor | (Normal temp.) |
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| Sensor |
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| Temperature |
| 10°C |
| 20°C | 25°C | 30°C | 40°C |
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| TA, TC (kΩ) |
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| 20.7 |
| 12.6 | 10.0 | 7.9 | 4.5 |
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2 | Remote controller | Refer to |
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3 | Louver motor | Measure the resistance value of each winding coil by using the tester. |
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| MP24Z3T | (Under normal temp. 25°C) |
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| White | 1 | 1 |
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| Position | Resistance value |
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| Yellow | 2 | 2 |
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| 1 to 2 |
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| Yellow | 3 | 3 |
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| 1 to 3 |
| 250 ± 20Ω |
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| Yellow | 4 | 4 |
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| 1 to 4 |
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| Yellow | 5 | 5 |
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| 1 to 5 |
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4 | Indoor fan motor | Refer to |
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No. | Part name |
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| Checking procedure |
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1 | Compressor | Measure the resistance value of each winding by using the tester. |
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| (Model : |
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| Red |
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| Position |
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| Resistance value |
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| ~ |
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| (Model : |
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| Red - White |
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| ~ |
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| White - Black |
| 0.92 to 1.02Ω | 0.88 to 0.98Ω |
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| White |
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| Black |
| Black - Red |
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| at 20°C | |
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2 | Outdoor fan motor | Measure the resistance value of winding by using the tester. |
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| (Model : |
| Red |
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| Position | Resistance value |
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| Red - White |
| 20 to 22Ω |
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| White - Black |
| 20 to 22Ω |
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| Black- Red |
| 20 to 22Ω |
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| White |
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| Black |
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| at 20°C | ||
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3 | Measure the resistance value of winding by using the tester. |
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| (Model : STF) |
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| Resistance value |
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| 1435 ± 144Ω |
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| at 20°C | |
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4 | Pulse motor valve coil | Measure the resistance value of winding by using the tester. |
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| (Model : |
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| Position | Resistance value |
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| Red - White |
| 42 to 50Ω |
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| White - Orange |
| 42 to 50Ω |
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| Brown- Yellow |
| 42 to 50Ω |
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| Brown- Blue |
| 42 to 50Ω |
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| at 20°C | ||
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5 | Outdoor temperature sensor | Disconnect the connector, and measure resistance value with the tester. | |||||||||||||||||||
| (TO), discharge temperature | (Normal temperature) |
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| sensor (TD), suction |
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| Temperature |
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| temperature sensor (TS), |
| Sensor |
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| 10°C | 20°C | 25°C | 30°C | 40°C | 50°C |
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| outdoor heat exchanger |
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| TD (kΩ) |
| 100 |
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| temperature sensor (TE) |
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| TO,TS,TE (kΩ) |
| 20.7 |
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– 87 –