Panasonic CS-E12QB4RW, Service Manual

Page: 41 / 106

41
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 and indoor intake air temperature.

During operation mode judgment, indoor fan motor (with speed of Lo-) is running for 30 seconds to detect the
indoor intake air temperature.

Every 10 minutes, the indoor temperature is judged.

For the 1st judgment
o
If indoor intake temperature - remote control setting temperature ≥ 2°C, COOL mode is decided.
o
If -2°C ≤ indoor intake temperature - remote control setting temperature < 2°C, DRY mode is decided.
o
If indoor intake temperature - remote control setting temperature < -2°C, HEAT mode is decided.

For the 2nd judgment onwards
o
If indoor intake temperature - remote control setting temperature ≥ 4°C, if previous operate in DRY mode,
then continue in DRY mode. otherwise COOL mode is decided.
o
If -2.5°C ≤ indoor intake temperature - remote control setting temperature < 4°C, maintain with previous
mode.
o
If indoor intake temperature - remote control setting temperature < -2.5°C, HEAT mode is decided.
12.2 Indoor Fan Motor Operation
12.2.1 Basic Rotation Speed (rpm)
A. Basic Rotation Speed (rpm)
i. Manual Fan Speed
[Cooling, Dry]

Fan motor’s number of rotation is determined according to remote control setting.
Remote control ○ ○ ○ ○ ○
Tab Hi Me+ Me Me- Lo
[Heating]

Fan motor’s number of rotation is determined according to remote control setting.
Remote control ○ ○ ○ ○ ○
Tab SHi Me+ Me Me- Lo
ii Auto Fan Speed
[Cooling, Dry]

According to room temperature and setting temperature, indoor fan speed is determined automatically.

When set temperature is not achieved, the indoor fan will operate according to pattern below.

When set temperature achieved, the indoor fan speed will be fixed. When thermostat off, the fan stop periodically.