22
2
2
<How to operate>
1
Press POWER ON/OFF button.
2
Press the MODE button to display “
f
”.
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 Cooling 19 to 0°C.
Minimum 3 minutes
+
1
ON
Thermostat
Indoor fan
Auto vane
Booster heater
Compressor
ON
LOW or HIGH
Initally 10 degrees
(Changeable by remote controller setting)
LOW or HIGH
ON
ON
OFF
OFF
CLOSE
CLOSE
OFF
OFF
OFF
Operation starts by
P O W E R b u t t o n
ON.
Operation stops by
P O W E R b u t t o n
OFF.
Room temperature
becomes equal to
set temperature.
Room temperature
rises above set
temperature.
<COOL operation time chart>
W
1 Even if the room temperature rise above the set temperature during this period, the compressor will not start until this period
has ended.
ON/OFF
CHECK
ADDRESS
UNIT No.
FUNCTION No.
SELECTION No.
AM
PM
AM
PM
TEST RUN
FUNCTION
°C
TEMP.
2. INDOOR UNIT CONTROL
2-1 COOL operation
(1) Compressor control
1
-minute time delay
To prevent overload, the compressor will not start within minutes after stop.
2
The compressor runs when room temperature is higher than set temperature.
The compressor stops when room temperature is equal to or lower than the set temperature.
The compressor maintains the previous state when the discharge temperature minus the set temperature is 0°C or more, or
lower than 1°C.
3
The compressor stops in check mode or during protective functions.
4
Coil frost prevention
To prevent indoor coil frost, the compressor will stop when the indoor coil thermistor (RT2) reads 1°C or below after the
compressor has been continuously operated for at least 16 minutes or more. When the indoor coil temperature rises to 10°
C or above, the compressor will start in a -minute(
w
2) time delay.
w
2 When the indoor coil temperature is -1°C or less, the compressor starts in 6 minutes.
NOTE :
By turning OFF the dip switch SW1- on indoor controller board, the start temperature of coil frost prevention changes
from 1°C to -°C.
OC229A
