Panasonic CS-E12NKUAW, Service Manual

Page: 25 / 68

25

Control contents
o
Fan speed auto
 Indoor FM RPM depends on pipe temperature sensor of indoor heat exchanger. Auto fan speed is
changed from normal setting to quiet setting of respective fan speed. This is to reduce sound of Hi, Me,
Lo for 3dB.
o
Fan speed manual
 Manual fan speed for quiet operation is -1 step from setting fan speed.
12.7 Powerful Mode Operation

When the powerful mode is selected, the internal setting temperature will shift lower up to 3.6°F (for Cooling/Soft
Dry) or higher up to 6.3°F (for Heating) than remote control setting temperature for 20 minutes to achieve the
setting temperature quickly.
12.8 Timer Control
12.8.1 ON Timer Control

ON Timer can be set using remote control, where the unit with timer set will start operation earlier than the setting
time. This is to provide a comfortable environment when reaching the set ON time.

60 minutes before the set ON time, indoor (at fan speed of Lo-) and outdoor fan motor start operation 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 operation earlier than the set time as shown below.
12.8.2 OFF Timer Control

OFF Timer can be set using remote control, the unit with timer set will stop at set time.
12.9 Auto Restart Control

When the power supply is cut off during the operation of air conditioner, the compressor will re-operate within
three to four minutes (there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be
selected randomly) after power supply resumes.

This type of control is not applicable during ON/OFF Timer setting.

This control can be omitted by short the circuit of JP1 (refer P.C.B. indoor circuit).