– 31 –
ENGLISH
INFORMATION
Heating Capability
• This room air conditioner utilizes a heat pump system that absorbs
exterior heat and brings it into a room to be heated. As the ambient
temperature gets lower, heating capability will also lower. In such a
situation, the inverter work to increase compressor rpm to keep the
unit’s heating capability from decreasing. If the unit’s heating
performance is still unsatisfactory, other heating appliances should
be used to augment this unit’s performance.
• The air conditioner is designed to heat an entire room so that it may take some time before you feel warm. Timer
operation is recommended for effective preheating ahead of the desired time.
Cooling and Dehumidifying Capabilities
• If the heat present in a room exceeds the unit’s cooling capacity (for example, if there are many people in the
room or other heating appliances are used), the preset room temperature may not be reached.
PROHIBITION
Do not use a stove or
any other high tempera-
ture devices in proximity
to the indoor unit.
• When fan speed, room temperature are set with the remote controller before starting manual operation and the
buttons are released, the indication of settings will go off in 10 seconds and only the operation mode will be
displayed.
• Pressing the
button while the unit is in operation will let the protective circuit work so that the unit will not
operate for approximately 3 minutes.
• During heating operation, the “OPERATION” lamp on the indoor unit indicators may blink with no air emitted for
a while.
• If you feel cold wind during heating operation with the
(HI) fan speed or want to make the unit operation
quieter after the room is heated, use of
(AUTO) setting is recommended.
• With the
(LOW), (SILENT) settings, the unit’s cooling capacity will lower slightly.
• With the
(LOW), (SILENT) settings, the unit’s fan speed of heating operation will vary with the operating
conditions.
• When the timer has been programmed, the unit will not operate even if the set time is reached unless the unit
receives a signal from the remote controller. Confirm that timer programming is complete (beep) and the TIMER
lamp of the indoor unit lights.
• If the
(SLEEP) button is pressed while the ON/OFF timer is programmed, the sleep timer takes priority.
• During sleep timer operation, the fan speed sets to
(SILENT) regardless of the preset speed. The remote
controller display indication will remain unchanged even with the
(SILENT) setting.
TIMER PROGRAMMING/SLEEP TIMER OPERATION
CAUTION
RAS-10_14JH3_Ope_EN 05/12/2008, 04:44 pm31
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UNDERSTANDING THE OPERATING MECHANISM
Air Purifier Operation
(Page 17)
• When the two way air exchange operation is configured during the air purifier operation, the fan speed operation
(heating, cooling and dehumidifying operation when the heating, cooling and dehumidifying of the device are combined)
is combined with the two way air exchange operation.
Two Way Air Exchange Operation
(Page 18)
■ Fresh Air In Operation
• When the air temperature outside the room is more than about 30°C or less than about 3°C, the fresh air in does not
operate to prevent dew condensation on the two way air exchange fan and hose and to save energy.
• If the difference in temperature between the inside and outside of the room is more than about 7°C, the fresh air in
does not operate to prevent dew condensation on the two way air exchange fan and hose, while cooling operation.
• If the difference in temperature between the inside and outside of the room is more than about 22°C, the fresh air in
does not operate to prevent dew condensation on the two way air exchange fan and hose, while heating operation.
• When the above mentioned operations have stopped, the “Two Way Air Exchange” lamp on the indoor unit
indicators blinks (lights for 10 seconds/light off for 1 second).
■ Exhaust Operation
• When the temperature inside the room is more than about 43°C, the exhaust does not operate to protect the
exhaust fan from damage.
• When the above mentioned operation has stopped, the “Two Way Air Exchange” lamp on the indoor unit
indicators blinks (lights for 10 seconds/light off for 1 second).
■ Abnormal of Two Way Air Exchange Fan
• Two Way Air Exchange Fan is abnormal if the “Two Way Air Exchange” lamp of the indoor unit indicators blinks
(lights for 4 seconds/light off for 1 second) repeatedly.
In this case, all the functions can be operated except for the Two Way Air Exchange operation.
■ Sound of the Two Way Air Exchange Operation
✽ These are just rough indications when the fresh air in and exhaust operate independently. In addition, the operating
volume of the air conditioning changes according to the mounting conditions.
If the air conditioning operation is configured at the same time, the volume of the operation sound becomes bigger.
Sleep Timer Operation
(Page 22)
• If the remote controller never receive the signal when sleep timer is set, it does not start to operate even when
reaching the set time. Please confirm the sleep timer setting by the “beep” sound and the “TIMER” lamp on the indoor
unit.
• If the vertical deflector are configured to swing while the Sleep Timer is set, it will not swing when 1hr. More Timer
operates during cooling/dehumidifying or Sleep (7 hrs. Monitoring) operation during heating.
• When sleep timer setting, if the air conditioning operation (cooling, dehumidifying, heating) is configured in combination
with the fresh air in, exhaust and air purifier, 1 hr. More Timer of the cooling and dehumidifying operation or Sleep
(7 hrs. Monitoring) timer operation during heating only the air conditioning operation performs.
“HI” Fresh Air In About the same when cooling (Fan Speed: “HI”).
“MED” Fresh Air In About the same when cooling (Fan Speed: “MED”).
“LOW” Fresh Air In About the same when cooling (Fan Speed: “LOW”).
“HI” Exhaust About the same when cooling (Fan Speed: “HI”).
“MED” Exhaust About the same when cooling (Fan Speed: “MED”).
“LOW” Exhaust About the same when cooling (Fan Speed: “LOW”).
Type of operation Operating sound
WARNING
• When the humidity inside the room is HIGH (more than 70%), do not use the fresh air in operation.
Dew condensation may be the cause of failure.
RAS-10_14JH3_Ope_EN 05/12/2008, 04:44 pm32
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