Panasonic CS-PS12NKH, Service Manual, Page: 54 / 123

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11.5 Timer Control
11.5.1 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.
11.5.2 OFF Timer Control
OFF timer can be set using remote control, where the unit with timer set will stop at set OFF time.
Notes:
1 By pressing ON/OFF operation button, the ON Timer or OFF Timer setting will not be cancelled.
2 To cancel the previous timer setting, press CANCEL button.
3 To activate the previous timer setting, press SET button.
4 If main power supply is switched off, the Timer setting will be cancelled.
11.6 Random Auto Restart Control
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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 to be selected randomly after power supply resumes.
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This control is not applicable during OFF/ON Timer setting.
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This control can be omitted by open the circuit of JP1 at indoor unit printed circuit board.
11.7 Indication Panel
LED POWER TIMER
Color Green Orange
Light ON Operation ON Timer Setting ON
Light OFF Operation OFF Timer Setting OFF
Note:
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If POWER LED blinks, the possible operation of the unit is operation mode judgment, or ON timer sampling.
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If TIMER LED blinks, there is an abnormal operation occurs.
15 min
10 min
5 min
Indoor intake air
temperature (°C)
30
25
30 35
Outdoor air
temperature (°C)
Cooling / Soft Dry