Powerful Mode Operation; Mild Dry Cooling Operation; Timer Control - Panasonic CS-Z20TKR Service Manual


Mild Dry button is pressed.

ECONAVI button is pressed.

iAUTO-X button is pressed.
 When quiet operation is stopped, operation is shifted to normal operation with previous setting.
 When fan speed is changed, quiet operation is shifted to quiet operation of the new fan speed.
 When operation mode is changed, quiet operation is shifted to quiet operation of the new mode.
 During quiet operation, if timer "on" activates, quiet operation maintains.
After off, when on back, quiet operation is not memorized.


Control contents
Fan speed manual
o
 Fan speed is changed from normal setting to quiet setting of respective fan speed.
 Fan speed for quiet operation is reduced from setting fan speed.
Fan Speed Auto
o
Indoor FM RPM depends on pipe temp sensor of indoor heat exchanger.


14.7 Powerful Mode Operation


When the powerful mode is selected, the internal setting temperature will shift lower up to 2°C (for Cooling/Soft
Dry) or higher up to 3.5°C (for Heating) than remote control setting temperature for 240 minutes to achieve the
setting temperature quickly.

14.8 Mild Dry Cooling Operation


This operation helps to prevent decreases in room humidity while maintaining the setting temperature.

During unit running at Cooling operation mode, if "Mild Dry Cooling" button is pressed, Mild Dry Cooling operation
starts and Mild Dry Cooling indicators turns ON at remote control display.

Mild dry cooling operation is unavailable when the unit is operating Auto mode and Soft Dry model operation.

Mild dry cooling operation is cancelled when the unit turned OFF, Mild Dry Cooling button is pressed again or
when the operation mode changed from Cooling to other mode.

ECONAVI, iAUTO-X, Powerful, Quiet and Mild Dry Cooling mode cannot function at the same time, the unit will
follows the operation according to the last signal received.

During this operation, the compressor frequency changes according to operating condition to prevent room
humidity decreases and when AUTO AIR SWING is set, the vertical airflow direction fixed at lower limit position.

14.9 Timer Control


There are 2 sets of ON and OFF timer available to turn the unit ON or OFF at different preset time.

If more than one timer had been set, the upcoming timer will be displayed and will activate in sequence.
14.9.1 ON Timer Control

ON timer 1 and ON timer 2 can be set using remote control, the unit with timer set will start operate earlier than
the setting time.
This is to provide a comfortable environment when reaching the set ON time.

60 minutes before the set time, indoor (at fan speed of Lo-) and outdoor fan motor start operate for 30 seconds to
determine the indoor intake air temperature and outdoor air temperature in order to judge the operation starting
time.

From the above judgment, the decided operation will start operate earlier than the set time as shown below.
Indoor intake air
temperature (
30
25
5 min
14.9.2 OFF Timer Control
OFF timer 1 and OFF timer 2 can be set using remote control, the unit with timer set will stop operate at set time.
o
C)
15 min
10 min
Outdoor air
o
30 35 ( C)
temperature (
Cooling/Soft Dry
Indoor intake air
o
temperature ( C)
15
5
35 min
o
C)
89
25 min
30 min
Outdoor air
o
0 5 ( C)
temperature (
Heating
o
C)