ERROR CONTENTS (outdoor unit)
1.Make a TEST RUN in accordance with the in- stallation instruction sheet for the indoor unit.
2.OUTDOOR UNIT LEDS
When a malfunction occurs in the outdoor unit, the LED on the circuit board lights to indicate the error. Refer to the fol- lowing table for the description of each error according to the LED.
LED | Error contents | |
1 flash | Communication error | |
(Indoor unit - Outdoor unit) | ||
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2 flash | Discharg pipe temperature sensor | |
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3 flash | Outdoor heat exchanger temperature sensor | |
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4 flash | Outdoor temperature sensor | |
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7 flash | Compressor temperature sensor | |
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8 flash | Heat sink temperature sensor | |
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9 flash | Pressure switch abnormal | |
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12 flash | IPM error | |
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13 flash | Compressor rotor position cannot detect | |
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14 flash | Compressor cannot operate | |
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15 flash | Outdoor fan abnormal (upper fan) | |
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16 flash | Outdoor fan abnormal (lower fan) | |
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lighting | No error | |
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2.When the product is operating:
1 Press the PUMP DOWN switch on the outdoor unit. The LED on the outdoor unit circuit board lights, and operation stops. At this point, recovery has not been completed, so do not close the two- and
2The pump down operation (cooling operation) be- gins after three minutes. Close the
3After 2 - 3 minutes, operation stops. Close the three- way valve (gas) within one minute after operations stops.
4The LED will go out three minutes after it stops. Dis- connect the power supply after confirming that the LED has gone out.
*When the pump down operation is repeated, temporarily disconnect the power supply after opening the closed valves (both liquid and gas). Reconnect the power supply after 2 - 3 minutes and perform the pump down operation.
*When the start of the operation after pump down operation has been completed, temporarily disconnect the power supply after opening the closed valves (both liquid and gas).
Reconnect the power supply after
SPECIAL INSTALLATION SETTING
PUMP DOWN (Refrigerant collecting operation)
Perform the following procedures to collect the refrigerant when moving the indoor unit or the outdoor unit.
1. When the product is stopped:
1Press the PUMP DOWN switch on the outdoor unit. (The LED on the outdoor unit circuit board lights.)
2The pump down operation (cooling operation) be- gins right away. After oparation starts, close the
3After 2 - 3 minutes, operation stops. Close the three- way valve (gas) within one minute after operations stops.
4The LED will go out three minutes after it stops.Dis- connect the power supply after confirming that the LED has gone out.
PUMP DOWN SW
DANGER
This part (Choke coil) generates high voltages. Never touch this part.
2006.02.28 | 12 |
