Automatic Operation; Indoor Fan Motor Operation; Powerful Mode Operation; Auto Restart Control - Panasonic CS-Z25UD3EAW Service Manual

15.4

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 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 180 minutes, the indoor and outdoor temperature is judge. Based on remote control setting temperature,
the value of T1 will increase up to 10°C, T2 will decrease by 3°C and T3 will decrease up to 8°C.
15.5

Indoor Fan Motor Operation

15.5.1 Residual Heat Removal Control

To prevent high pressure at indoor unit, when heating mode thermostat-off condition or power supply OFF,
indoor fan continue to operate at controlled fan speed for maximum 30 seconds then stop.
15.6

Powerful Mode Operation


When the powerful mode is selected, the internal setting temperature will shift lower up to 4.0°C for Cooling/Soft
Dry or higher up to 6.0°C for heating than remote control setting temperature. This operation stops automatically
after 20 minutes.
15.7

Auto Restart Control


When the power supply is cut off during the operation of air conditioner, the compressor will re-operate between
three to four minutes (10 patterns to be selected randomly) after power resume.

During multi split connection, Indoor unit will resume previous mode, include unit standby mode.
15.8

Indication Panel

Note:

If POWER LED is blinking, the possible operation of the unit are Hot Start, during Deice operation, operation
mode judgment, or ON timer sampling.

If Timer LED is blinking, there is an abnormality operation occurs.
LED OFF/ON Operation
Color
Light ON Operation ON
Light OFF Operation OFF
82
Green