Automatic Operation; Indoor Fan Motor Operation; Powerful Mode Operation; Auto Restart Control - Panasonic CS-Z25UB4EAW 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

LED POWER
Color Green
Light ON Operation ON
Light OFF Operation OFF
Note:

If POWER LED is blinking (0.5 seconds ON, 0.5 second OFF), the possible operation of the unit are during
Indoor Residual Heat Removal, Hot Start, during Deice operation, operation mode judgment, or ON timer
sampling.

If POWER LED is blinking (2.5 seconds ON, 0.5 second OFF), the unit is in standby mode.

If TIMER LED is blinking, there is an abnormality operation occurs.
TIMER POWERFUL
Orange
Timer Setting ON POWERFUL Mode ON
Timer Setting OFF POWERFUL Mode OFF
78
QUIET
Orange Orange
QUIET Mode ON
QUIET Mode OFF
AIR SWING
Orange
AIR SWING ON
AIR SWING OFF