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COOLING OPERATION
COOL operation
Four-way valve/OFF
NO
Initial
COOLING
w 8
Vane initial
setting
Vane
NO
55 deg downward angle
70 deg downward angle
NO
Fan speed
LOW
NO
Downward discharge
1 hour
Vane horizontal
Vane setting notch
airflow
w 9
Compressor
thermostat ON
Allowance
cancel
NO
w8 When operation stops or changes to cooling or dry mode, the auto vane turns to a horizontal angle. If operation changes
during auto vane SWING, the auto vane will continue to swing.
w9 When operating TEST RUN, the thermostat will be continuously ON.
w10 After 3 minute compressor operation, if the indoor coil thermistor reads 5°F or below for 3 minutes, the compressor will
stop for 6 minutes.
w11Heating area : Indoor coil temperature is more than 9 degrees above the room temperature.
Cooling area : Indoor coil temperature is more than 9 degrees below the room temperature.
FAN area : Indoor coil temperature is within 9 degrees either way of the room temperature.
YES
YES
YES
YES
YES
NO
YES
3-minute
time delay
NO
YES
6-minute
time delay
NO
3-minute
NO
compressor operation
YES
w 10
YES
Coil frost
protection
NO
w 11
NO
Cooling area
YES
10-minute
NO
compressor operation
YES
Allowance cancel
YES
Coil frost
prevention
NO
16-minute
NO
compressor operation
YES
Indoor pipe
YES
temperature is 34˚F
or lower
NO
Coil frost
prevention
Compressor ON
Compressor OFF
1
Allowance set
Indoor coil
NO
temperature is 50˚F
or higher
YES
Defrosting
NO
protection detection
temperature 30˚F
or lower
YES
6-minute
3-minute
time delay
time delay
Coil frost
prevention release
21
YES
Allowance
period
NO
6 minute
time delay
NO
1 min continue
YES
FAN speed
LOW
YES
FAN speed
LOW 5 min elapse
NO
Outdoor unit
trouble
Coil frost protection
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