31
2-4 AUTO operation (Automatic COOL/HEAT change over operation)
(1) Initial mode
1
When AUTO operation starts after unit OFF.
●
If the room temperature is higher than the set temperature, operation starts in COOL mode.
●
If the room temperature is equal to or lower than the set temperature, operation starts HEAT mode.
2
When AUTO operation starts after COOL or HEAT operation, the previous mode continues.
(2) Mode change
1
HEAT mode changes to cool mode when 15 minutes have passed since the room temperature became 2 degrees
above the set temperature.
2
COOL mode changes to HEAT mode when 15 minutes have passed since the room temperature became 2 degrees
below the set temperature.
(3) Temperature range
AUTO operation is available under the outside air temperatures as follows.
1
Mode change (HEAT COOL)
When room temperature becomes 2 degrees above the set temperature,the operation mode can not be changed
for 15 minutes.
(degree)
To + 2
To:Set temperature (19 28 )
To + 1
To
To - 1
To - 2
Compressor
Start
HEAT mode
HEAT mode
2
Mode change
15 minutes
Minimum 3 minutes
15 minutes
Minimum 3 minutes
COOL mode
(COOL HEAT)
ON
OFF
-9
0
10
20
30
40
46
-8.5
Cooling range
(Outside air temperature)
Heating range
-5
FILTER
CHECK MODE
TEST RUN
<How to operate>
1
Press POWER ON/OFF button.
2
Press the
button to display “
”
3
Press the
TEMP button to set the desired temperature.
NOTE: The set temperature changes 1°C when the
or
button is pressed one time.
Automatic 19 to 28°C
●
“AUTOMATIC” works to change by itself the operation
mode either to cooling or heating according to the room
temperature.