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Panel Front

Connector

1. Check that all tubing and wiring are properly connected.

2. Check that the gas and liquid side service valves are fully open.

1. Remove the battery cover by pulling it according to

the arrow direction.

2. Insert new batteries making sure that the (+) and (–)

of battery are installed correctly.

3. Reattach the cover by pushing it back into position.

• Use 2 AAA(1.5volt) batteries. Do not use rechargeable

batteries.

• Remove the batteries from the remote controller if the

system is not used for a long time.

1. Anchor the outdoor unit with a bolt and nut(ø10mm)

tightly and horizontally on a concrete or rigid mount.

2. When installing on the wall, roof or rooftop, anchor

the mounting base securely with a nail or wire
assuming the influence of wind and earthquake.

3. If the vibration of the unit is transmitted to the hose,

secure the unit with an anti-vibration rubber.

Operate the unit for 15~20 minutes, then check the sys-
tem refrigerant charge:

1. Measure the pressure of the gas side service valve.

2. Measure the temperature of the intake and discharge

of air.

3. Ensure the difference between the intake tempera-

ture and the discharge is more than 8°C 

4. For reference; the gas side pressure of optimum con-

dition is as below.(Cooling)

The air conditioner is now ready for use.

Bolt

Tubing connection

Discharge air

Discharge 
temperature

Intake temperature

R-22

35°C (95°F)

4~5kg/cm

2

G(56.8~71.0 P.S.I.G.)

R-410A

35°C (95°F)

8.5~9.5kg/cm

2

G(120~135 P.S.I.G.)

Outside ambient

TEMP.

Refrigerant

The pressure of the gas side 

service valve.

If the actual pressure is higher than shown, the system is most likely over-charged, and charge should be
removed. If the actual pressure are lower than shown, the system is most likely undercharged, and
charge should be added.

Pump Down means collecting all refrigerant into the outdoor unit without the loss of refrigerant.

1. Connect a low-pressure gauge manifold hose to the charge port on the gas side service valve.

2. Open the gas side service valve halfway and purge the air in the manifold hose using the refrigerant.

3. Close the liquid side service valve(all the way).

4. Turn on the unit's operating switch and start the cooling operation.

5. When the low-pressure gauge reading becomes 1 to 0.5kg/cm

2

G(14.2 to 7.1 P.S.I.G.), fully close the gas side

valve and then quickly turn off the unit. Now Pump Down procedure is completed, and all refrigerant is collected
into the outdoor unit.

• On while in appliance operation, off while in appliance pause

• On while in timer mode (on/off) and in sleep timer mode, off when timer mode is completed or canceled.

• While in appliance operation, on while in outdoor unit compressor running, off while in compressor off

• On while in plasma mode, off while plasma mode is canceled.

• On while auto restart mode, off while auto restart mode is canceled.

• In case the power comes on again after a power failure, Auto Restarting Operation is the function to operate

procedures automatically to the previous operating conditions.
If your want to use this operation, press the Auto Restart Button.

• Operation starts, when this button is pressed and stops when you press the button again.

• On while in appliance operation, off while in appliance pause

• On while in timer mode (on/off) and in sleep timer mode, off when timer mode is completed or canceled

• Off except when hot start during heating mode operation or while in defrost control.

• On while in plasma mode, off while plasma mode is canceled.

• On while auto restart mode, off while auto restart mode is canceled.

• In case the power comes on again after a power failure, Auto Restarting Operation is the function to operate

procedures automatically to the previous operating conditions.
If your want to use this operation, press the Auto Restart Button.

• Operation starts, when this button is pressed and stops when you press the button again.

■

• When the intake air temperature reaches 0.5°C below the setting temp, the compressor and the outdoor fan stop.  

• When it reaches 0.5°C above the setting temp, they start to operate again.

Compressor ON Temp=> Setting Temp+0.5°C

Compressor OFF Temp => Setting Temp-0.5°C

• While in compressor running, operating with the airflow speed set by the remote controller. While in compressor

not running, operating with the low airflow speed regardless of the setting.