Panasonic CS-RE18JKX-1, Service Manual, Page: 34 / 93

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12.1.5. Automatic Operation
• This mode can be set using remote control and the operation is decided by remote control setting temperature, remote control
operation mode, indoor intake air temperature and outdoor air temperature.
• During operation mode judgment, indoor fan motor (with speed of Lo-) and outdoor fan motor are running for 30 seconds to
detect the indoor intake and outdoor air temperature. The operation mode is decided based on below chart.
Every 30 minutes, the indoor and outdoor temperature is judged. Based on remote control setting temperature, the value of T1 will
increase up to 10
°
C, T2 will decreased by 3
°
C and T3 will decreased up to 8
°
C.
The Auto Operation Mode shifting will take place whenever operation mode changed from Cooling/Soft Dry to Heating or vice
versa.
12.1.6. Indoor Fan Motor Operation
A. Basic Rotation Speed (rpm)
i. Manual Fan Speed
[Cooling, Dry]
• Fan motor’s number of rotation is determined according to remote control setting.
[Heating]
• Fan motor’s number of rotation is determined according to remote control setting.
ii. Auto Fan Speed
[Cooling, Dry]
• According to room temperature and setting temperature, indoor fan speed is determined automatically.
• The indoor fan will operate according to pattern below.
[Heating]
• According to indoor pipe temperature, automatic heating fan speed is determined as follows.
Remote Control O O O O O
Tab (rpm) Hi Me+ Me Me- Lo
Remote Control O O O O O
Tab (rpm) Shi Me+ Me Me- Lo