Panasonic Cs C9dkzw Cu 2c18dkh Cu 3c20dkh Repair Manual

4.2. Outdoor Unit
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CS-C9DKZW CU-2C18DKH / CS-C9DKZW CU-3C20DKH 

5 Refrigeration Cycle Diagram
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6 Block Diagram
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CS-C9DKZW CU-2C18DKH / CS-C9DKZW CU-3C20DKH 

7 Wiring Diagram
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CS-C9DKZW CU-2C18DKH / CS-C9DKZW CU-3C20DKH 

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8 Operation Details
8.1. Cooling Operation
 • Cooling operation can be set using remote control.
 • This operation is applied to cool down the room temperature reaches the setting temperature set on the remote control.
 • The remote control setting temperature, which takes the reading of intake air temperature sensor, can be adjusted from 16°C
to 30°C.
 • During cooling operation, the compressor will stoprunning and restart as shown in below figure.
8.1.1. Cooling Operation Time Diagram
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CS-C9DKZW...

8.2.1. Soft Dry Operation Time Diagram
8.2. Soft Dry Operation
 • Soft Dry operation can be set using remote control.
 • Soft Dry operation is applied to dehumidify and to perform a gentle cooling to the room.
 • This operation starts when the intake air temperature sensor reaches the setting temperature on the remote control.
 • W hen operation begin, Soft Dry will switched “ON” for a maximum 10 minutes, then Soft Dry operation will turned “OFF” for a
minimum 6 minutes. After that, the Soft Dry...

8.3. Automatic Operation
 • Automatic operation can be set using remote control.
 • This operation starts to operate with indoor fan at SLo speed for 20 seconds to judge the intake air temperature.
 • After judged the temperature, the operation mode is determined by referring to the below standard.
 • Then, the unit start to operate at determined operation mode, until it is switched off using remote control, with the setting
temperature as shown in below table.
 • The setting temperature for all the...

8.4. Operation Control
8.4.1. Restart Control (Time Delay Safety Control)
 • When the thermo-off temperature (temperature which compressor stops to operate) is reached during:-
 − Cooling/Heating operation - the compressor stops for 3 minutes (minimum) before resume operation.
 − Soft Dry operation - the compressor stops for 6 minutes (minimum) before resume operation.
 • If the operation is stopped by the remote control, the compressor will not turn on within 3 minutes from the moment operation
stop,...