Mitsubishi PKH-1.6GKLH Technical & Service Manual page 30

2-4 AUTO operation (Automatic COOL/HEAT change over operation)
ADDRESS
UNIT No.
FUNCTION No.
SELECTION No.
FUNCTION
TEST RUN
CHECK
ON/OFF
(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 1 minutes have passed since the room temperature became 2 degrees above
the set temperature.
2 COOL mode changes to HEAT mode when 1 minutes have passed since the room temperature became 2 degrees
below the set temperature.
To:Set temperature (19 28
(degree)
To + 2
To + 1
To
To - 1
To - 2
Start
ON
Compressor
OFF
(3) Temperature range
AUTO operation is available under the outside air temperatures as follows.
-9
-5
-8.5
OC229A
°C
AM
PM
AM
PM
TEMP.
When room temperature becomes 2 degrees above the set temperature, the operation mode can not be changed
)
for 15 minutes.
15 minutes
HEAT mode
0 10 20
Cooling range
Heating range
<How to operate>
1 Press POWER ON/OFF button.
2 Press the MODE button to display "
i
3 Press the
TEMP. button to set the desired temperature.
NOTE: The set temperature changes 1°C when the
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.
Mode change (HEAT COOL)
15 minutes
COOL mode
Minimum 3 minutes
30 40
0
h ".
Mode change
(COOL HEAT)
HEAT mode
46 (Outside air temperature)
or