Panasonic CS-C12PKV, Service Manual

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Auto Fan Speed during Soft Dry operation.
1 Indoor fan will rotate alternately between off and Lo-.
2 At the beginning of each compressor starts operation, indoor fan will increase fan speed gradually for
deodorizing purpose.
3 When compressor turned off for 6 minutes, indoor fan will start at Lo- to circulate the air in the room. This is
to obtain the actual reading of intake air temperature.
13.4.3 Manual Fan Speed Control
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Manual fan speed adjustment can be carried out by using the Fan Speed selection button at the remote control.
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There are 3 types of fan speed settings: Lo, Me, Hi.
13.4.4 Indoor Fan Motor rpm Abnormal Control
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Immediate after the fan motor is started, rpm abnormal control is performed every second.
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During fan motor on, if fan motor feedback ≥ 2550 rpm or < 50 rpm continuously for 10 seconds, the fan motor
error counter increased; fan motor is then stopped and restarted. If the fan motor error counter increased to 7,
then air conditioner will stop operation.
13.5 Outdoor Fan Speed Control
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There is only one speed for outdoor fan motor. (Applicable for CU-C9PK, CU-C12PK and CU-C18PK)
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There is 2 speeds for outdoor fan motor. Outdoor fan speed can be changed to Hi or Lo according to outdoor
temperature. (Applicable for CU-C24PK and CU-C28PK).
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For Cooling and Soft Dry operation, when outdoor temperature reaches to 31°C (Hi-speed), 29°C (Lo-speed).
(Applicable for CU-C24PK and CU-C28PK).
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When air conditioner is turned on, the compressor and the outdoor fan will operate simultaneously.
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Likewise, both compressor and outdoor fan will stop at the same time if the unit is turned off.
13.6 Vertical Airflow Direction Control
13.6.1 Auto Control
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When the vertical airflow direction is set to Auto using the remote control, the louver swings up and down as
shown in the diagram.
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When stops operation using the remote control, the discharge vent is reset and stops at the closing position.
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During Cooling operation or Soft Dry operation, indoor fan motor may stop to rotate at certain periods. At that
condition, the louver will stop swinging.
For CS-C9PK and CS-C12PK
Upper limit for cooling mode
and soft dry mode/15°
30° Closing
position
/ 140°
Swing up and down
Lower limit for cooling mode and
soft dry mode/45°
Horizontal