9
Model No.: AC-PR12HM
Version: 1.0
i. Temperature display
i. The setting temperature will be displayed in Cooling and Heating mode. The room
temperature will be displayed in Drying and Fan only mode.
ii. The setting temperature range is from 17
o
C to 30
o
C or 62
o
F to 88
o
F. The display
temperature range is from 10
o
C to 35
o
C or 48
o
F to 98
o
F. If the room temperature is lower
than 10
o
C or 48
o
F, the display will be 10
o
C or 48
o
F.
j. Timer Function
i. The maximum length of Timer is 24 hours and the minimum is 0.5 hours.
ii. TIMER ON function: first turn OFF the unit, the unit will be automatically ON at the set
time.
iii. TIMER OFF function: first turn ON the unit, the unit will be automatically OFF at the set
time.
iv. TIMER ON/OFF function (ON TIMER is earlier than OFF TIMER): first turn OFF the
unit, it will be automatically ON at set time, and later be OFF at the set time.
v. TIMER OFF/ON function (OFF TIMER is earlier than ON TIMER): first turn ON the unit,
it will be automatically OFF at set time, and later be ON at the set time.
vi. Timer function execution is applicable upon one operation only.
vii. Timer precision is less than 15 minutes.
k. Auto restart function.
i. In case of a sudden power failure, this function automatically sets the unit to previous
settings before the power failure when power returns.
3 TROUBLESHOOTING GUIDE
In general, possible trouble is classified in three kinds. One is called Starting Failure which is caused
from an electrical defect, another is ineffective Air Conditioning caused by a defect in the
refrigeration circuit and improper application, and the other is called the Structure Damage.
ROOM AIRCONDITIONER VOLTAGE LIMITS:
Name plate rating Minimum Maximum
220~240V
115V
196V
103V
253V
122V
PROBLEM
POSSIBLE
CAUSE
REMEDY
No power display
on panel or any one
of the buttons
failure.
Power failure
Check the power supplier if the power
supplier is supplied to the unit. Check the
power cord and correct if damaged.
Display board or
main PCB failure
Check the voltage on display board.
Replace the display board if it is +5V else
replace the main PCB.
Remote control
failure.
Battery failure
Check the voltage of battery. Replace
batteries if the voltage is lower than
2.3V.
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