Panasonic CS-A181KR Service Manual page 21

Operation Details
b) Overload Deicing Time Diagram
a b c d
Outdoor 12°C
Tb
Heat
-3°C
Exchanger
Temp. -4°C
Basic Time
Compressor
4-way Valve
Indoor Fan
Outdoor Fan
Operation LED
4) Automatic Mode Operation
a) When the Automatic Mode Operation is selected, the indoor fan operates at SLo fan speed for 20 second to sense
intake air temperature and determine the 1st operation mode.
Standard for Determining Operation Mode 1st Judgement
↑
Intake
Air
Temperature
b) Operation mode will be determine again after 1hour of operation, if the room temperature reaches to set
temperature and compressor off time is over 7 minutes 30 seconds continuously.
* Indoor intake air is less than 16°C, Heating mode will immediate operate.
* 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.
– For 2nd judgement onwards, indoor fan will operate for 25 seconds to sense the intake air temperature for
determining operation mode.
Standard for Determining Operation Mode 2nd Judgement onwards
Present
Judgement
Mode
23°C Cooling
Cooling
20°C Soft Dry
Soft Dry
Heating
25°C Heating
* Automatic Set Temperature Refer c) as below.
c) Automatic Set Temperature
For each operation, set temperature will automatically set as shown below.
However it can be selected 2°C higher or 2°C lower from standard set temperature by pressing the "Room
Temperature Setting button".
Operation
Mode
Cooling
Soft Dry
Heating
e f g h i j k l m n
Max
4'
60'
Max
12' 10" 20"
Cooling
23°C
Soft Dry
20°C
Heating
Cooling
O
(Judgement :
Heating
23°C & Above)
Not Applicable
Heating
O
Cooling
(Judgement :
25°C & Above)
Higher Standard
(+2°C) (±0°C)
27°C 25°C
24°C 22°C
23°C 21°C
o p q r
<Description of operation>
a – i
i – l
l – m
m – r
60'
: Blinking
Operation
Stop
* Automatic Set Temperature
Refer c) as below.
Next Mode
Soft Dry
Not Applicable
O
(Judgement :
20°C & Above)
Not Applicable
Lower
(–2°C)
23°C
20°C
19°C
– 20 –
: Overload control.
: Overload deicing.
: Hot start (add 4 min delay timing).
: Overload control.
Heating
O
(Judgement :
Below 23°C)
O
(Judgement :
Below 20°C)
O
(Judgement :
Below 25°C)
CS-A181KR