Automatic Operation - Panasonic CS-YA18MKD Service Manual

11.3 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 starts to operate at determined operation mode, until it is switched off using remote control, with
the setting temperature as shown in table below.

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
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 indoor unit's printed circuit board.
↑
25°C & Above
Intake Air
Temperature Below 22°C
↑
Intake Air
Temperature
Cooling Operation
Heating Operation
Judgement
Cooling
23°C
Heating
Cooling
25°C
Heating
Operation
Cooling
Heating
Cooling Operation
Heating Operation
23°C & Above Cooling Operation
Below 20°C Heating Operation
Setting Temperature (Standard)
25°C
21°C
Cooling
O
(Judgement:
23°C & Above)
O
(Judgement:
25°C & Above)
Hi (Standard)
(+2°C) (±0°C)
27°C 25°C
23°C 21°C
Cooling Operation
Heating Operation
29
Next Mode
Heating
O
(Judgement:
Below 23°C)
O
(Judgement:
Below 25°C)
Lo
(-2°C)
23°C
19°C
Setting Temperature (Standard)
27°C
23°C