Automatic Operation - Panasonic CS-A18JKD Service Manual

12.4. Automatic Operation

• Automatic operation can be set using remote control.
• This operation starts to operate with indoor fan at SLo speed for 25 seconds to judge the intake air temperature.
• After judged the temperature, the operation mode is determined by referring to the below standard.
• Then, the unit start to operate at determined operation mode, until it is switched off using remote control, with the setting
temperature as shown in below table.
• Operation mode will be determine again for judgement after 1 hour of operation, if the room temperature reaches to set
temperature and compressor off time is over 7 minutes 30 seconds continuously.
*
The present operation mode will be continued, if the room temperature does not reach to set temperature (Compressor keeps
running) eventhough after 1 hour from automatic operation mode started.
Standard for Determining Operation Mode
2nd Judgement onwards
Present
Mode
Cooling
Soft Dry
Heating
• Automatic Set Temperature
For each operation, set temperature will automatically set as shown below.
• The setting temperature for all the operations can be changed one level up or one level down from the standard temperature as
shown in below table by pressing on the temperature up or temperature down button at remote control.
• The operation mode judging temperature and standard setting temperature can be increased by 2°C permanently, by open the
circuit of JX03 at printed circuit board indoor unit.
Judgement
Cooling
23qC
Heating
Soft Dry
20qC
Heating
Cooling
25qC
Heating
Hi
Operation
(+2qC)
Cooling 27qC
Soft Dry 24qC
Heating 23qC
Cooling
O
(Judgement: Not Applicable
23qC & Above)
Not Applicable (Judgement:
20qC & Above)
O
(Judgement: Not Applicable
25qC & Above)
(Standard)
(±0qC)
25qC
22qC
21qC
29
Next Mode
Soft Dry Heating
O
(Judgement:
Below 23qC)
O O
(Judgement:
Below 20qC)
O
(Judgement:
Below 25qC)
Lo
(-2qC)
23qC
20qC
19qC