Automatic Operation; Indoor Fan Motor Operation - Panasonic CS-YE18NKV-6 Service Manual

12.1.4

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 to Heating or vice
versa.
12.1.5

Indoor Fan Motor Operation

A. Basic Rotation Speed (rpm)
i. Manual Fan Speed
[Cooling]

Fan motor's number of rotation is determined according to remote control setting.
Remote control
Tab (rpm)
[Heating]

Fan motor's number of rotation is determined according to remote control setting.
Remote control
Tab (rpm)
ii. Auto Fan Speed
[Cooling]

According to room temperature and setting temperature, indoor fan speed is determined automatically.

The indoor fan will operate according to pattern below.
O O O
Hi Me+ Me
O O O
Shi Me+ Me
36
O O
Me- Lo
O O
Me- Lo