Service manual

44
(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.
Mode change (HEAT COOL)
When room temperature becomes2degrees 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
Mode change
15 minutes
15 minutes
Mininum 3 minutes
COOL mode
(COOL HEAT)
ON
OFF
-9 0 1020304046
-8.5
Cooling range
(Outside air temperature)
Heating range
-5
<How to operate>
1 Press POWER ON/OFF button.
2 Press the a button to display “ h ”.
3 Press the i TEMP. button to set the desired temperature.
NOTE: The set temperature changes 1°C when the or
button is press one time Auto 19 to 28°C.
●“AUTOMATIC” works to change by itself the opera-
tion mode either to cooling or heating according to
the room temperature.
2-4 AUTO operation (Automatic COOL/HEAT change over operation)
FILTER
CHECK MODE
TEST RUN
241